FFmpeg  4.3.7
movenc.c
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1 /*
2  * MOV, 3GP, MP4 muxer
3  * Copyright (c) 2003 Thomas Raivio
4  * Copyright (c) 2004 Gildas Bazin <gbazin at videolan dot org>
5  * Copyright (c) 2009 Baptiste Coudurier <baptiste dot coudurier at gmail dot com>
6  *
7  * This file is part of FFmpeg.
8  *
9  * FFmpeg is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU Lesser General Public
11  * License as published by the Free Software Foundation; either
12  * version 2.1 of the License, or (at your option) any later version.
13  *
14  * FFmpeg is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17  * Lesser General Public License for more details.
18  *
19  * You should have received a copy of the GNU Lesser General Public
20  * License along with FFmpeg; if not, write to the Free Software
21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22  */
23 
24 #include <stdint.h>
25 #include <inttypes.h>
26 
27 #include "movenc.h"
28 #include "avformat.h"
29 #include "avio_internal.h"
30 #include "riff.h"
31 #include "avio.h"
32 #include "isom.h"
33 #include "av1.h"
34 #include "avc.h"
36 #include "libavcodec/dnxhddata.h"
37 #include "libavcodec/flac.h"
38 #include "libavcodec/get_bits.h"
39 
40 #include "libavcodec/internal.h"
41 #include "libavcodec/put_bits.h"
42 #include "libavcodec/vc1_common.h"
43 #include "libavcodec/raw.h"
44 #include "internal.h"
45 #include "libavutil/avstring.h"
46 #include "libavutil/intfloat.h"
47 #include "libavutil/mathematics.h"
48 #include "libavutil/libm.h"
49 #include "libavutil/opt.h"
50 #include "libavutil/dict.h"
51 #include "libavutil/pixdesc.h"
52 #include "libavutil/stereo3d.h"
53 #include "libavutil/timecode.h"
54 #include "libavutil/dovi_meta.h"
55 #include "libavutil/color_utils.h"
56 #include "hevc.h"
57 #include "rtpenc.h"
58 #include "mov_chan.h"
59 #include "vpcc.h"
60 
61 static const AVOption options[] = {
62  { "movflags", "MOV muxer flags", offsetof(MOVMuxContext, flags), AV_OPT_TYPE_FLAGS, {.i64 = 0}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
63  { "rtphint", "Add RTP hint tracks", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_RTP_HINT}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
64  { "moov_size", "maximum moov size so it can be placed at the begin", offsetof(MOVMuxContext, reserved_moov_size), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, 0 },
65  { "empty_moov", "Make the initial moov atom empty", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_EMPTY_MOOV}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
66  { "frag_keyframe", "Fragment at video keyframes", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_FRAG_KEYFRAME}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
67  { "frag_every_frame", "Fragment at every frame", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_FRAG_EVERY_FRAME}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
68  { "separate_moof", "Write separate moof/mdat atoms for each track", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_SEPARATE_MOOF}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
69  { "frag_custom", "Flush fragments on caller requests", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_FRAG_CUSTOM}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
70  { "isml", "Create a live smooth streaming feed (for pushing to a publishing point)", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_ISML}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
71  { "faststart", "Run a second pass to put the index (moov atom) at the beginning of the file", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_FASTSTART}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
72  { "omit_tfhd_offset", "Omit the base data offset in tfhd atoms", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_OMIT_TFHD_OFFSET}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
73  { "disable_chpl", "Disable Nero chapter atom", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_DISABLE_CHPL}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
74  { "default_base_moof", "Set the default-base-is-moof flag in tfhd atoms", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_DEFAULT_BASE_MOOF}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
75  { "dash", "Write DASH compatible fragmented MP4", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_DASH}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
76  { "cmaf", "Write CMAF compatible fragmented MP4", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_CMAF}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
77  { "frag_discont", "Signal that the next fragment is discontinuous from earlier ones", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_FRAG_DISCONT}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
78  { "delay_moov", "Delay writing the initial moov until the first fragment is cut, or until the first fragment flush", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_DELAY_MOOV}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
79  { "global_sidx", "Write a global sidx index at the start of the file", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_GLOBAL_SIDX}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
80  { "skip_sidx", "Skip writing of sidx atom", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_SKIP_SIDX}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
81  { "write_colr", "Write colr atom (Experimental, may be renamed or changed, do not use from scripts)", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_WRITE_COLR}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
82  { "prefer_icc", "If writing colr atom prioritise usage of ICC profile if it exists in stream packet side data", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_PREFER_ICC}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
83  { "write_gama", "Write deprecated gama atom", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_WRITE_GAMA}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
84  { "use_metadata_tags", "Use mdta atom for metadata.", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_USE_MDTA}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
85  { "skip_trailer", "Skip writing the mfra/tfra/mfro trailer for fragmented files", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_SKIP_TRAILER}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
86  { "negative_cts_offsets", "Use negative CTS offsets (reducing the need for edit lists)", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
87  FF_RTP_FLAG_OPTS(MOVMuxContext, rtp_flags),
88  { "skip_iods", "Skip writing iods atom.", offsetof(MOVMuxContext, iods_skip), AV_OPT_TYPE_BOOL, {.i64 = 1}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
89  { "iods_audio_profile", "iods audio profile atom.", offsetof(MOVMuxContext, iods_audio_profile), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 255, AV_OPT_FLAG_ENCODING_PARAM},
90  { "iods_video_profile", "iods video profile atom.", offsetof(MOVMuxContext, iods_video_profile), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 255, AV_OPT_FLAG_ENCODING_PARAM},
91  { "frag_duration", "Maximum fragment duration", offsetof(MOVMuxContext, max_fragment_duration), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
92  { "min_frag_duration", "Minimum fragment duration", offsetof(MOVMuxContext, min_fragment_duration), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
93  { "frag_size", "Maximum fragment size", offsetof(MOVMuxContext, max_fragment_size), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
94  { "ism_lookahead", "Number of lookahead entries for ISM files", offsetof(MOVMuxContext, ism_lookahead), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
95  { "video_track_timescale", "set timescale of all video tracks", offsetof(MOVMuxContext, video_track_timescale), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
96  { "brand", "Override major brand", offsetof(MOVMuxContext, major_brand), AV_OPT_TYPE_STRING, {.str = NULL}, .flags = AV_OPT_FLAG_ENCODING_PARAM },
97  { "use_editlist", "use edit list", offsetof(MOVMuxContext, use_editlist), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, AV_OPT_FLAG_ENCODING_PARAM},
98  { "fragment_index", "Fragment number of the next fragment", offsetof(MOVMuxContext, fragments), AV_OPT_TYPE_INT, {.i64 = 1}, 1, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
99  { "mov_gamma", "gamma value for gama atom", offsetof(MOVMuxContext, gamma), AV_OPT_TYPE_FLOAT, {.dbl = 0.0 }, 0.0, 10, AV_OPT_FLAG_ENCODING_PARAM},
100  { "frag_interleave", "Interleave samples within fragments (max number of consecutive samples, lower is tighter interleaving, but with more overhead)", offsetof(MOVMuxContext, frag_interleave), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM },
101  { "encryption_scheme", "Configures the encryption scheme, allowed values are none, cenc-aes-ctr", offsetof(MOVMuxContext, encryption_scheme_str), AV_OPT_TYPE_STRING, {.str = NULL}, .flags = AV_OPT_FLAG_ENCODING_PARAM },
102  { "encryption_key", "The media encryption key (hex)", offsetof(MOVMuxContext, encryption_key), AV_OPT_TYPE_BINARY, .flags = AV_OPT_FLAG_ENCODING_PARAM },
103  { "encryption_kid", "The media encryption key identifier (hex)", offsetof(MOVMuxContext, encryption_kid), AV_OPT_TYPE_BINARY, .flags = AV_OPT_FLAG_ENCODING_PARAM },
104  { "use_stream_ids_as_track_ids", "use stream ids as track ids", offsetof(MOVMuxContext, use_stream_ids_as_track_ids), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
105  { "write_tmcd", "force or disable writing tmcd", offsetof(MOVMuxContext, write_tmcd), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, AV_OPT_FLAG_ENCODING_PARAM},
106  { "write_prft", "Write producer reference time box with specified time source", offsetof(MOVMuxContext, write_prft), AV_OPT_TYPE_INT, {.i64 = MOV_PRFT_NONE}, 0, MOV_PRFT_NB-1, AV_OPT_FLAG_ENCODING_PARAM, "prft"},
107  { "wallclock", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = MOV_PRFT_SRC_WALLCLOCK}, 0, 0, AV_OPT_FLAG_ENCODING_PARAM, "prft"},
108  { "pts", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = MOV_PRFT_SRC_PTS}, 0, 0, AV_OPT_FLAG_ENCODING_PARAM, "prft"},
109  { "empty_hdlr_name", "write zero-length name string in hdlr atoms within mdia and minf atoms", offsetof(MOVMuxContext, empty_hdlr_name), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
110  { NULL },
111 };
112 
113 #define MOV_CLASS(flavor)\
114 static const AVClass flavor ## _muxer_class = {\
115  .class_name = #flavor " muxer",\
116  .item_name = av_default_item_name,\
117  .option = options,\
118  .version = LIBAVUTIL_VERSION_INT,\
119 };
120 
121 static int get_moov_size(AVFormatContext *s);
122 
123 static int utf8len(const uint8_t *b)
124 {
125  int len = 0;
126  int val;
127  while (*b) {
128  GET_UTF8(val, *b++, return -1;)
129  len++;
130  }
131  return len;
132 }
133 
134 //FIXME support 64 bit variant with wide placeholders
135 static int64_t update_size(AVIOContext *pb, int64_t pos)
136 {
137  int64_t curpos = avio_tell(pb);
138  avio_seek(pb, pos, SEEK_SET);
139  avio_wb32(pb, curpos - pos); /* rewrite size */
140  avio_seek(pb, curpos, SEEK_SET);
141 
142  return curpos - pos;
143 }
144 
145 static int co64_required(const MOVTrack *track)
146 {
147  if (track->entry > 0 && track->cluster[track->entry - 1].pos + track->data_offset > UINT32_MAX)
148  return 1;
149  return 0;
150 }
151 
152 static int is_cover_image(const AVStream *st)
153 {
154  /* Eg. AV_DISPOSITION_ATTACHED_PIC | AV_DISPOSITION_TIMED_THUMBNAILS
155  * is encoded as sparse video track */
156  return st && st->disposition == AV_DISPOSITION_ATTACHED_PIC;
157 }
158 
159 static int rtp_hinting_needed(const AVStream *st)
160 {
161  /* Add hint tracks for each real audio and video stream */
162  if (is_cover_image(st))
163  return 0;
164  return st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO ||
166 }
167 
168 /* Chunk offset atom */
169 static int mov_write_stco_tag(AVIOContext *pb, MOVTrack *track)
170 {
171  int i;
172  int mode64 = co64_required(track); // use 32 bit size variant if possible
173  int64_t pos = avio_tell(pb);
174  avio_wb32(pb, 0); /* size */
175  if (mode64)
176  ffio_wfourcc(pb, "co64");
177  else
178  ffio_wfourcc(pb, "stco");
179  avio_wb32(pb, 0); /* version & flags */
180  avio_wb32(pb, track->chunkCount); /* entry count */
181  for (i = 0; i < track->entry; i++) {
182  if (!track->cluster[i].chunkNum)
183  continue;
184  if (mode64 == 1)
185  avio_wb64(pb, track->cluster[i].pos + track->data_offset);
186  else
187  avio_wb32(pb, track->cluster[i].pos + track->data_offset);
188  }
189  return update_size(pb, pos);
190 }
191 
192 /* Sample size atom */
193 static int mov_write_stsz_tag(AVIOContext *pb, MOVTrack *track)
194 {
195  int equalChunks = 1;
196  int i, j, entries = 0, tst = -1, oldtst = -1;
197 
198  int64_t pos = avio_tell(pb);
199  avio_wb32(pb, 0); /* size */
200  ffio_wfourcc(pb, "stsz");
201  avio_wb32(pb, 0); /* version & flags */
202 
203  for (i = 0; i < track->entry; i++) {
204  tst = track->cluster[i].size / track->cluster[i].entries;
205  if (oldtst != -1 && tst != oldtst)
206  equalChunks = 0;
207  oldtst = tst;
208  entries += track->cluster[i].entries;
209  }
210  if (equalChunks && track->entry) {
211  int sSize = track->entry ? track->cluster[0].size / track->cluster[0].entries : 0;
212  sSize = FFMAX(1, sSize); // adpcm mono case could make sSize == 0
213  avio_wb32(pb, sSize); // sample size
214  avio_wb32(pb, entries); // sample count
215  } else {
216  avio_wb32(pb, 0); // sample size
217  avio_wb32(pb, entries); // sample count
218  for (i = 0; i < track->entry; i++) {
219  for (j = 0; j < track->cluster[i].entries; j++) {
220  avio_wb32(pb, track->cluster[i].size /
221  track->cluster[i].entries);
222  }
223  }
224  }
225  return update_size(pb, pos);
226 }
227 
228 /* Sample to chunk atom */
229 static int mov_write_stsc_tag(AVIOContext *pb, MOVTrack *track)
230 {
231  int index = 0, oldval = -1, i;
232  int64_t entryPos, curpos;
233 
234  int64_t pos = avio_tell(pb);
235  avio_wb32(pb, 0); /* size */
236  ffio_wfourcc(pb, "stsc");
237  avio_wb32(pb, 0); // version & flags
238  entryPos = avio_tell(pb);
239  avio_wb32(pb, track->chunkCount); // entry count
240  for (i = 0; i < track->entry; i++) {
241  if (oldval != track->cluster[i].samples_in_chunk && track->cluster[i].chunkNum) {
242  avio_wb32(pb, track->cluster[i].chunkNum); // first chunk
243  avio_wb32(pb, track->cluster[i].samples_in_chunk); // samples per chunk
244  avio_wb32(pb, 0x1); // sample description index
245  oldval = track->cluster[i].samples_in_chunk;
246  index++;
247  }
248  }
249  curpos = avio_tell(pb);
250  avio_seek(pb, entryPos, SEEK_SET);
251  avio_wb32(pb, index); // rewrite size
252  avio_seek(pb, curpos, SEEK_SET);
253 
254  return update_size(pb, pos);
255 }
256 
257 /* Sync sample atom */
258 static int mov_write_stss_tag(AVIOContext *pb, MOVTrack *track, uint32_t flag)
259 {
260  int64_t curpos, entryPos;
261  int i, index = 0;
262  int64_t pos = avio_tell(pb);
263  avio_wb32(pb, 0); // size
264  ffio_wfourcc(pb, flag == MOV_SYNC_SAMPLE ? "stss" : "stps");
265  avio_wb32(pb, 0); // version & flags
266  entryPos = avio_tell(pb);
267  avio_wb32(pb, track->entry); // entry count
268  for (i = 0; i < track->entry; i++) {
269  if (track->cluster[i].flags & flag) {
270  avio_wb32(pb, i + 1);
271  index++;
272  }
273  }
274  curpos = avio_tell(pb);
275  avio_seek(pb, entryPos, SEEK_SET);
276  avio_wb32(pb, index); // rewrite size
277  avio_seek(pb, curpos, SEEK_SET);
278  return update_size(pb, pos);
279 }
280 
281 /* Sample dependency atom */
282 static int mov_write_sdtp_tag(AVIOContext *pb, MOVTrack *track)
283 {
284  int i;
285  uint8_t leading, dependent, reference, redundancy;
286  int64_t pos = avio_tell(pb);
287  avio_wb32(pb, 0); // size
288  ffio_wfourcc(pb, "sdtp");
289  avio_wb32(pb, 0); // version & flags
290  for (i = 0; i < track->entry; i++) {
291  dependent = MOV_SAMPLE_DEPENDENCY_YES;
292  leading = reference = redundancy = MOV_SAMPLE_DEPENDENCY_UNKNOWN;
293  if (track->cluster[i].flags & MOV_DISPOSABLE_SAMPLE) {
294  reference = MOV_SAMPLE_DEPENDENCY_NO;
295  }
296  if (track->cluster[i].flags & MOV_SYNC_SAMPLE) {
297  dependent = MOV_SAMPLE_DEPENDENCY_NO;
298  }
299  avio_w8(pb, (leading << 6) | (dependent << 4) |
300  (reference << 2) | redundancy);
301  }
302  return update_size(pb, pos);
303 }
304 
305 static int mov_write_amr_tag(AVIOContext *pb, MOVTrack *track)
306 {
307  avio_wb32(pb, 0x11); /* size */
308  if (track->mode == MODE_MOV) ffio_wfourcc(pb, "samr");
309  else ffio_wfourcc(pb, "damr");
310  ffio_wfourcc(pb, "FFMP");
311  avio_w8(pb, 0); /* decoder version */
312 
313  avio_wb16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
314  avio_w8(pb, 0x00); /* Mode change period (no restriction) */
315  avio_w8(pb, 0x01); /* Frames per sample */
316  return 0x11;
317 }
318 
320 {
321  GetBitContext gbc;
322  PutBitContext pbc;
323  uint8_t buf[3];
324  int fscod, bsid, bsmod, acmod, lfeon, frmsizecod;
325 
326  if (track->vos_len < 7) {
327  av_log(s, AV_LOG_ERROR,
328  "Cannot write moov atom before AC3 packets."
329  " Set the delay_moov flag to fix this.\n");
330  return AVERROR(EINVAL);
331  }
332 
333  avio_wb32(pb, 11);
334  ffio_wfourcc(pb, "dac3");
335 
336  init_get_bits(&gbc, track->vos_data + 4, (track->vos_len - 4) * 8);
337  fscod = get_bits(&gbc, 2);
338  frmsizecod = get_bits(&gbc, 6);
339  bsid = get_bits(&gbc, 5);
340  bsmod = get_bits(&gbc, 3);
341  acmod = get_bits(&gbc, 3);
342  if (acmod == 2) {
343  skip_bits(&gbc, 2); // dsurmod
344  } else {
345  if ((acmod & 1) && acmod != 1)
346  skip_bits(&gbc, 2); // cmixlev
347  if (acmod & 4)
348  skip_bits(&gbc, 2); // surmixlev
349  }
350  lfeon = get_bits1(&gbc);
351 
352  init_put_bits(&pbc, buf, sizeof(buf));
353  put_bits(&pbc, 2, fscod);
354  put_bits(&pbc, 5, bsid);
355  put_bits(&pbc, 3, bsmod);
356  put_bits(&pbc, 3, acmod);
357  put_bits(&pbc, 1, lfeon);
358  put_bits(&pbc, 5, frmsizecod >> 1); // bit_rate_code
359  put_bits(&pbc, 5, 0); // reserved
360 
361  flush_put_bits(&pbc);
362  avio_write(pb, buf, sizeof(buf));
363 
364  return 11;
365 }
366 
367 struct eac3_info {
371 
372  /* Layout of the EC3SpecificBox */
373  /* maximum bitrate */
374  uint16_t data_rate;
375  /* number of independent substreams */
377  struct {
378  /* sample rate code (see ff_ac3_sample_rate_tab) 2 bits */
380  /* bit stream identification 5 bits */
382  /* one bit reserved */
383  /* audio service mixing (not supported yet) 1 bit */
384  /* bit stream mode 3 bits */
386  /* audio coding mode 3 bits */
388  /* sub woofer on 1 bit */
390  /* 3 bits reserved */
391  /* number of dependent substreams associated with this substream 4 bits */
393  /* channel locations of the dependent substream(s), if any, 9 bits */
394  uint16_t chan_loc;
395  /* if there is no dependent substream, then one bit reserved instead */
396  } substream[1]; /* TODO: support 8 independent substreams */
397 };
398 
399 #if CONFIG_AC3_PARSER
400 static int handle_eac3(MOVMuxContext *mov, AVPacket *pkt, MOVTrack *track)
401 {
402  AC3HeaderInfo *hdr = NULL;
403  struct eac3_info *info;
404  int num_blocks, ret;
405 
406  if (!track->eac3_priv && !(track->eac3_priv = av_mallocz(sizeof(*info))))
407  return AVERROR(ENOMEM);
408  info = track->eac3_priv;
409 
410  if (avpriv_ac3_parse_header(&hdr, pkt->data, pkt->size) < 0) {
411  /* drop the packets until we see a good one */
412  if (!track->entry) {
413  av_log(mov->fc, AV_LOG_WARNING, "Dropping invalid packet from start of the stream\n");
414  ret = 0;
415  } else
416  ret = AVERROR_INVALIDDATA;
417  goto end;
418  }
419 
420  info->data_rate = FFMAX(info->data_rate, hdr->bit_rate / 1000);
421  num_blocks = hdr->num_blocks;
422 
423  if (!info->ec3_done) {
424  /* AC-3 substream must be the first one */
425  if (hdr->bitstream_id <= 10 && hdr->substreamid != 0) {
426  ret = AVERROR(EINVAL);
427  goto end;
428  }
429 
430  /* this should always be the case, given that our AC-3 parser
431  * concatenates dependent frames to their independent parent */
433  /* substream ids must be incremental */
434  if (hdr->substreamid > info->num_ind_sub + 1) {
435  ret = AVERROR(EINVAL);
436  goto end;
437  }
438 
439  if (hdr->substreamid == info->num_ind_sub + 1) {
440  //info->num_ind_sub++;
441  avpriv_request_sample(mov->fc, "Multiple independent substreams");
442  ret = AVERROR_PATCHWELCOME;
443  goto end;
444  } else if (hdr->substreamid < info->num_ind_sub ||
445  hdr->substreamid == 0 && info->substream[0].bsid) {
446  info->ec3_done = 1;
447  goto concatenate;
448  }
449  } else {
450  if (hdr->substreamid != 0) {
451  avpriv_request_sample(mov->fc, "Multiple non EAC3 independent substreams");
452  ret = AVERROR_PATCHWELCOME;
453  goto end;
454  }
455  }
456 
457  /* fill the info needed for the "dec3" atom */
458  info->substream[hdr->substreamid].fscod = hdr->sr_code;
459  info->substream[hdr->substreamid].bsid = hdr->bitstream_id;
460  info->substream[hdr->substreamid].bsmod = hdr->bitstream_mode;
461  info->substream[hdr->substreamid].acmod = hdr->channel_mode;
462  info->substream[hdr->substreamid].lfeon = hdr->lfe_on;
463 
464  /* Parse dependent substream(s), if any */
465  if (pkt->size != hdr->frame_size) {
466  int cumul_size = hdr->frame_size;
467  int parent = hdr->substreamid;
468 
469  while (cumul_size != pkt->size) {
470  GetBitContext gbc;
471  int i;
472  ret = avpriv_ac3_parse_header(&hdr, pkt->data + cumul_size, pkt->size - cumul_size);
473  if (ret < 0)
474  goto end;
476  ret = AVERROR(EINVAL);
477  goto end;
478  }
479  info->substream[parent].num_dep_sub++;
480  ret /= 8;
481 
482  /* header is parsed up to lfeon, but custom channel map may be needed */
483  init_get_bits8(&gbc, pkt->data + cumul_size + ret, pkt->size - cumul_size - ret);
484  /* skip bsid */
485  skip_bits(&gbc, 5);
486  /* skip volume control params */
487  for (i = 0; i < (hdr->channel_mode ? 1 : 2); i++) {
488  skip_bits(&gbc, 5); // skip dialog normalization
489  if (get_bits1(&gbc)) {
490  skip_bits(&gbc, 8); // skip compression gain word
491  }
492  }
493  /* get the dependent stream channel map, if exists */
494  if (get_bits1(&gbc))
495  info->substream[parent].chan_loc |= (get_bits(&gbc, 16) >> 5) & 0x1f;
496  else
497  info->substream[parent].chan_loc |= hdr->channel_mode;
498  cumul_size += hdr->frame_size;
499  }
500  }
501  }
502 
503 concatenate:
504  if (!info->num_blocks && num_blocks == 6) {
505  ret = pkt->size;
506  goto end;
507  }
508  else if (info->num_blocks + num_blocks > 6) {
509  ret = AVERROR_INVALIDDATA;
510  goto end;
511  }
512 
513  if (!info->num_blocks) {
514  ret = av_packet_ref(&info->pkt, pkt);
515  if (!ret)
516  info->num_blocks = num_blocks;
517  goto end;
518  } else {
519  if ((ret = av_grow_packet(&info->pkt, pkt->size)) < 0)
520  goto end;
521  memcpy(info->pkt.data + info->pkt.size - pkt->size, pkt->data, pkt->size);
522  info->num_blocks += num_blocks;
523  info->pkt.duration += pkt->duration;
524  if (info->num_blocks != 6)
525  goto end;
526  av_packet_unref(pkt);
527  av_packet_move_ref(pkt, &info->pkt);
528  info->num_blocks = 0;
529  }
530  ret = pkt->size;
531 
532 end:
533  av_free(hdr);
534 
535  return ret;
536 }
537 #endif
538 
540 {
541  PutBitContext pbc;
542  uint8_t *buf;
543  struct eac3_info *info;
544  int size, i;
545 
546  if (!track->eac3_priv) {
547  av_log(s, AV_LOG_ERROR,
548  "Cannot write moov atom before EAC3 packets parsed.\n");
549  return AVERROR(EINVAL);
550  }
551 
552  info = track->eac3_priv;
553  size = 2 + ((34 * (info->num_ind_sub + 1) + 7) >> 3);
554  buf = av_malloc(size);
555  if (!buf) {
556  return AVERROR(ENOMEM);
557  }
558 
559  init_put_bits(&pbc, buf, size);
560  put_bits(&pbc, 13, info->data_rate);
561  put_bits(&pbc, 3, info->num_ind_sub);
562  for (i = 0; i <= info->num_ind_sub; i++) {
563  put_bits(&pbc, 2, info->substream[i].fscod);
564  put_bits(&pbc, 5, info->substream[i].bsid);
565  put_bits(&pbc, 1, 0); /* reserved */
566  put_bits(&pbc, 1, 0); /* asvc */
567  put_bits(&pbc, 3, info->substream[i].bsmod);
568  put_bits(&pbc, 3, info->substream[i].acmod);
569  put_bits(&pbc, 1, info->substream[i].lfeon);
570  put_bits(&pbc, 5, 0); /* reserved */
571  put_bits(&pbc, 4, info->substream[i].num_dep_sub);
572  if (!info->substream[i].num_dep_sub) {
573  put_bits(&pbc, 1, 0); /* reserved */
574  } else {
575  put_bits(&pbc, 9, info->substream[i].chan_loc);
576  }
577  }
578  flush_put_bits(&pbc);
579  size = put_bits_count(&pbc) >> 3;
580 
581  avio_wb32(pb, size + 8);
582  ffio_wfourcc(pb, "dec3");
583  avio_write(pb, buf, size);
584 
585  av_free(buf);
586 
587  return size;
588 }
589 
590 /**
591  * This function writes extradata "as is".
592  * Extradata must be formatted like a valid atom (with size and tag).
593  */
595 {
596  avio_write(pb, track->par->extradata, track->par->extradata_size);
597  return track->par->extradata_size;
598 }
599 
601 {
602  avio_wb32(pb, 10);
603  ffio_wfourcc(pb, "enda");
604  avio_wb16(pb, 1); /* little endian */
605  return 10;
606 }
607 
609 {
610  avio_wb32(pb, 10);
611  ffio_wfourcc(pb, "enda");
612  avio_wb16(pb, 0); /* big endian */
613  return 10;
614 }
615 
616 static void put_descr(AVIOContext *pb, int tag, unsigned int size)
617 {
618  int i = 3;
619  avio_w8(pb, tag);
620  for (; i > 0; i--)
621  avio_w8(pb, (size >> (7 * i)) | 0x80);
622  avio_w8(pb, size & 0x7F);
623 }
624 
625 static unsigned compute_avg_bitrate(MOVTrack *track)
626 {
627  uint64_t size = 0;
628  int i;
629  if (!track->track_duration)
630  return 0;
631  for (i = 0; i < track->entry; i++)
632  size += track->cluster[i].size;
633  return size * 8 * track->timescale / track->track_duration;
634 }
635 
636 static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track) // Basic
637 {
638  AVCPBProperties *props;
639  int64_t pos = avio_tell(pb);
640  int decoder_specific_info_len = track->vos_len ? 5 + track->vos_len : 0;
641  unsigned avg_bitrate;
642 
643  avio_wb32(pb, 0); // size
644  ffio_wfourcc(pb, "esds");
645  avio_wb32(pb, 0); // Version
646 
647  // ES descriptor
648  put_descr(pb, 0x03, 3 + 5+13 + decoder_specific_info_len + 5+1);
649  avio_wb16(pb, track->track_id);
650  avio_w8(pb, 0x00); // flags (= no flags)
651 
652  // DecoderConfig descriptor
653  put_descr(pb, 0x04, 13 + decoder_specific_info_len);
654 
655  // Object type indication
656  if ((track->par->codec_id == AV_CODEC_ID_MP2 ||
657  track->par->codec_id == AV_CODEC_ID_MP3) &&
658  track->par->sample_rate > 24000)
659  avio_w8(pb, 0x6B); // 11172-3
660  else
662 
663  // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
664  // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
665  if (track->par->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
666  avio_w8(pb, (0x38 << 2) | 1); // flags (= NeroSubpicStream)
667  else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
668  avio_w8(pb, 0x15); // flags (= Audiostream)
669  else
670  avio_w8(pb, 0x11); // flags (= Visualstream)
671 
673  NULL);
674 
675  avio_wb24(pb, props ? props->buffer_size / 8 : 0); // Buffersize DB
676 
677  avg_bitrate = compute_avg_bitrate(track);
678  avio_wb32(pb, props ? FFMAX3(props->max_bitrate, props->avg_bitrate, avg_bitrate) : FFMAX(track->par->bit_rate, avg_bitrate)); // maxbitrate (FIXME should be max rate in any 1 sec window)
679  avio_wb32(pb, avg_bitrate);
680 
681  if (track->vos_len) {
682  // DecoderSpecific info descriptor
683  put_descr(pb, 0x05, track->vos_len);
684  avio_write(pb, track->vos_data, track->vos_len);
685  }
686 
687  // SL descriptor
688  put_descr(pb, 0x06, 1);
689  avio_w8(pb, 0x02);
690  return update_size(pb, pos);
691 }
692 
694 {
695  return codec_id == AV_CODEC_ID_PCM_S24LE ||
696  codec_id == AV_CODEC_ID_PCM_S32LE ||
697  codec_id == AV_CODEC_ID_PCM_F32LE ||
698  codec_id == AV_CODEC_ID_PCM_F64LE;
699 }
700 
702 {
703  return codec_id == AV_CODEC_ID_PCM_S24BE ||
704  codec_id == AV_CODEC_ID_PCM_S32BE ||
705  codec_id == AV_CODEC_ID_PCM_F32BE ||
706  codec_id == AV_CODEC_ID_PCM_F64BE;
707 }
708 
710 {
711  int ret;
712  int64_t pos = avio_tell(pb);
713  avio_wb32(pb, 0);
714  avio_wl32(pb, track->tag); // store it byteswapped
715  track->par->codec_tag = av_bswap16(track->tag >> 16);
716  if ((ret = ff_put_wav_header(s, pb, track->par, 0)) < 0)
717  return ret;
718  return update_size(pb, pos);
719 }
720 
722 {
723  int ret;
724  int64_t pos = avio_tell(pb);
725  avio_wb32(pb, 0);
726  ffio_wfourcc(pb, "wfex");
727  if ((ret = ff_put_wav_header(s, pb, track->st->codecpar, FF_PUT_WAV_HEADER_FORCE_WAVEFORMATEX)) < 0)
728  return ret;
729  return update_size(pb, pos);
730 }
731 
732 static int mov_write_dfla_tag(AVIOContext *pb, MOVTrack *track)
733 {
734  int64_t pos = avio_tell(pb);
735  avio_wb32(pb, 0);
736  ffio_wfourcc(pb, "dfLa");
737  avio_w8(pb, 0); /* version */
738  avio_wb24(pb, 0); /* flags */
739 
740  /* Expect the encoder to pass a METADATA_BLOCK_TYPE_STREAMINFO. */
741  if (track->par->extradata_size != FLAC_STREAMINFO_SIZE)
742  return AVERROR_INVALIDDATA;
743 
744  /* TODO: Write other METADATA_BLOCK_TYPEs if the encoder makes them available. */
745  avio_w8(pb, 1 << 7 | FLAC_METADATA_TYPE_STREAMINFO); /* LastMetadataBlockFlag << 7 | BlockType */
746  avio_wb24(pb, track->par->extradata_size); /* Length */
747  avio_write(pb, track->par->extradata, track->par->extradata_size); /* BlockData[Length] */
748 
749  return update_size(pb, pos);
750 }
751 
753 {
754  int64_t pos = avio_tell(pb);
755  avio_wb32(pb, 0);
756  ffio_wfourcc(pb, "dOps");
757  avio_w8(pb, 0); /* Version */
758  if (track->par->extradata_size < 19) {
759  av_log(s, AV_LOG_ERROR, "invalid extradata size\n");
760  return AVERROR_INVALIDDATA;
761  }
762  /* extradata contains an Ogg OpusHead, other than byte-ordering and
763  OpusHead's preceeding magic/version, OpusSpecificBox is currently
764  identical. */
765  avio_w8(pb, AV_RB8(track->par->extradata + 9)); /* OuputChannelCount */
766  avio_wb16(pb, AV_RL16(track->par->extradata + 10)); /* PreSkip */
767  avio_wb32(pb, AV_RL32(track->par->extradata + 12)); /* InputSampleRate */
768  avio_wb16(pb, AV_RL16(track->par->extradata + 16)); /* OutputGain */
769  /* Write the rest of the header out without byte-swapping. */
770  avio_write(pb, track->par->extradata + 18, track->par->extradata_size - 18);
771 
772  return update_size(pb, pos);
773 }
774 
776 {
777  int64_t pos = avio_tell(pb);
778  int length;
779  avio_wb32(pb, 0);
780  ffio_wfourcc(pb, "dmlp");
781 
782  if (track->vos_len < 20) {
783  av_log(s, AV_LOG_ERROR,
784  "Cannot write moov atom before TrueHD packets."
785  " Set the delay_moov flag to fix this.\n");
786  return AVERROR(EINVAL);
787  }
788 
789  length = (AV_RB16(track->vos_data) & 0xFFF) * 2;
790  if (length < 20 || length > track->vos_len)
791  return AVERROR_INVALIDDATA;
792 
793  // Only TrueHD is supported
794  if (AV_RB32(track->vos_data + 4) != 0xF8726FBA)
795  return AVERROR_INVALIDDATA;
796 
797  avio_wb32(pb, AV_RB32(track->vos_data + 8)); /* format_info */
798  avio_wb16(pb, AV_RB16(track->vos_data + 18) << 1); /* peak_data_rate */
799  avio_wb32(pb, 0); /* reserved */
800 
801  return update_size(pb, pos);
802 }
803 
805 {
806  uint32_t layout_tag, bitmap;
807  int64_t pos = avio_tell(pb);
808 
809  layout_tag = ff_mov_get_channel_layout_tag(track->par->codec_id,
810  track->par->channel_layout,
811  &bitmap);
812  if (!layout_tag) {
813  av_log(s, AV_LOG_WARNING, "not writing 'chan' tag due to "
814  "lack of channel information\n");
815  return 0;
816  }
817 
818  if (track->multichannel_as_mono)
819  return 0;
820 
821  avio_wb32(pb, 0); // Size
822  ffio_wfourcc(pb, "chan"); // Type
823  avio_w8(pb, 0); // Version
824  avio_wb24(pb, 0); // Flags
825  avio_wb32(pb, layout_tag); // mChannelLayoutTag
826  avio_wb32(pb, bitmap); // mChannelBitmap
827  avio_wb32(pb, 0); // mNumberChannelDescriptions
828 
829  return update_size(pb, pos);
830 }
831 
833 {
834  int64_t pos = avio_tell(pb);
835 
836  avio_wb32(pb, 0); /* size */
837  ffio_wfourcc(pb, "wave");
838 
839  if (track->par->codec_id != AV_CODEC_ID_QDM2) {
840  avio_wb32(pb, 12); /* size */
841  ffio_wfourcc(pb, "frma");
842  avio_wl32(pb, track->tag);
843  }
844 
845  if (track->par->codec_id == AV_CODEC_ID_AAC) {
846  /* useless atom needed by mplayer, ipod, not needed by quicktime */
847  avio_wb32(pb, 12); /* size */
848  ffio_wfourcc(pb, "mp4a");
849  avio_wb32(pb, 0);
850  mov_write_esds_tag(pb, track);
851  } else if (mov_pcm_le_gt16(track->par->codec_id)) {
852  mov_write_enda_tag(pb);
853  } else if (mov_pcm_be_gt16(track->par->codec_id)) {
855  } else if (track->par->codec_id == AV_CODEC_ID_AMR_NB) {
856  mov_write_amr_tag(pb, track);
857  } else if (track->par->codec_id == AV_CODEC_ID_AC3) {
858  mov_write_ac3_tag(s, pb, track);
859  } else if (track->par->codec_id == AV_CODEC_ID_EAC3) {
860  mov_write_eac3_tag(s, pb, track);
861  } else if (track->par->codec_id == AV_CODEC_ID_ALAC ||
862  track->par->codec_id == AV_CODEC_ID_QDM2) {
863  mov_write_extradata_tag(pb, track);
864  } else if (track->par->codec_id == AV_CODEC_ID_ADPCM_MS ||
866  mov_write_ms_tag(s, pb, track);
867  }
868 
869  avio_wb32(pb, 8); /* size */
870  avio_wb32(pb, 0); /* null tag */
871 
872  return update_size(pb, pos);
873 }
874 
875 static int mov_write_dvc1_structs(MOVTrack *track, uint8_t *buf)
876 {
877  uint8_t *unescaped;
878  const uint8_t *start, *next, *end = track->vos_data + track->vos_len;
879  int unescaped_size, seq_found = 0;
880  int level = 0, interlace = 0;
881  int packet_seq = track->vc1_info.packet_seq;
882  int packet_entry = track->vc1_info.packet_entry;
883  int slices = track->vc1_info.slices;
884  PutBitContext pbc;
885 
886  if (track->start_dts == AV_NOPTS_VALUE) {
887  /* No packets written yet, vc1_info isn't authoritative yet. */
888  /* Assume inline sequence and entry headers. */
889  packet_seq = packet_entry = 1;
891  "moov atom written before any packets, unable to write correct "
892  "dvc1 atom. Set the delay_moov flag to fix this.\n");
893  }
894 
895  unescaped = av_mallocz(track->vos_len + AV_INPUT_BUFFER_PADDING_SIZE);
896  if (!unescaped)
897  return AVERROR(ENOMEM);
898  start = find_next_marker(track->vos_data, end);
899  for (next = start; next < end; start = next) {
900  GetBitContext gb;
901  int size;
902  next = find_next_marker(start + 4, end);
903  size = next - start - 4;
904  if (size <= 0)
905  continue;
906  unescaped_size = vc1_unescape_buffer(start + 4, size, unescaped);
907  init_get_bits(&gb, unescaped, 8 * unescaped_size);
908  if (AV_RB32(start) == VC1_CODE_SEQHDR) {
909  int profile = get_bits(&gb, 2);
910  if (profile != PROFILE_ADVANCED) {
911  av_free(unescaped);
912  return AVERROR(ENOSYS);
913  }
914  seq_found = 1;
915  level = get_bits(&gb, 3);
916  /* chromaformat, frmrtq_postproc, bitrtq_postproc, postprocflag,
917  * width, height */
918  skip_bits_long(&gb, 2 + 3 + 5 + 1 + 2*12);
919  skip_bits(&gb, 1); /* broadcast */
920  interlace = get_bits1(&gb);
921  skip_bits(&gb, 4); /* tfcntrflag, finterpflag, reserved, psf */
922  }
923  }
924  if (!seq_found) {
925  av_free(unescaped);
926  return AVERROR(ENOSYS);
927  }
928 
929  init_put_bits(&pbc, buf, 7);
930  /* VC1DecSpecStruc */
931  put_bits(&pbc, 4, 12); /* profile - advanced */
932  put_bits(&pbc, 3, level);
933  put_bits(&pbc, 1, 0); /* reserved */
934  /* VC1AdvDecSpecStruc */
935  put_bits(&pbc, 3, level);
936  put_bits(&pbc, 1, 0); /* cbr */
937  put_bits(&pbc, 6, 0); /* reserved */
938  put_bits(&pbc, 1, !interlace); /* no interlace */
939  put_bits(&pbc, 1, !packet_seq); /* no multiple seq */
940  put_bits(&pbc, 1, !packet_entry); /* no multiple entry */
941  put_bits(&pbc, 1, !slices); /* no slice code */
942  put_bits(&pbc, 1, 0); /* no bframe */
943  put_bits(&pbc, 1, 0); /* reserved */
944 
945  /* framerate */
946  if (track->st->avg_frame_rate.num > 0 && track->st->avg_frame_rate.den > 0)
947  put_bits32(&pbc, track->st->avg_frame_rate.num / track->st->avg_frame_rate.den);
948  else
949  put_bits32(&pbc, 0xffffffff);
950 
951  flush_put_bits(&pbc);
952 
953  av_free(unescaped);
954 
955  return 0;
956 }
957 
958 static int mov_write_dvc1_tag(AVIOContext *pb, MOVTrack *track)
959 {
960  uint8_t buf[7] = { 0 };
961  int ret;
962 
963  if ((ret = mov_write_dvc1_structs(track, buf)) < 0)
964  return ret;
965 
966  avio_wb32(pb, track->vos_len + 8 + sizeof(buf));
967  ffio_wfourcc(pb, "dvc1");
968  avio_write(pb, buf, sizeof(buf));
969  avio_write(pb, track->vos_data, track->vos_len);
970 
971  return 0;
972 }
973 
974 static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track)
975 {
976  avio_wb32(pb, track->vos_len + 8);
977  ffio_wfourcc(pb, "glbl");
978  avio_write(pb, track->vos_data, track->vos_len);
979  return 8 + track->vos_len;
980 }
981 
982 /**
983  * Compute flags for 'lpcm' tag.
984  * See CoreAudioTypes and AudioStreamBasicDescription at Apple.
985  */
987 {
988  switch (codec_id) {
991  return 11;
994  return 9;
995  case AV_CODEC_ID_PCM_U8:
996  return 10;
1000  return 14;
1001  case AV_CODEC_ID_PCM_S8:
1002  case AV_CODEC_ID_PCM_S16LE:
1003  case AV_CODEC_ID_PCM_S24LE:
1004  case AV_CODEC_ID_PCM_S32LE:
1005  return 12;
1006  default:
1007  return 0;
1008  }
1009 }
1010 
1011 static int get_cluster_duration(MOVTrack *track, int cluster_idx)
1012 {
1013  int64_t next_dts;
1014 
1015  if (cluster_idx >= track->entry)
1016  return 0;
1017 
1018  if (cluster_idx + 1 == track->entry)
1019  next_dts = track->track_duration + track->start_dts;
1020  else
1021  next_dts = track->cluster[cluster_idx + 1].dts;
1022 
1023  next_dts -= track->cluster[cluster_idx].dts;
1024 
1025  av_assert0(next_dts >= 0);
1026  av_assert0(next_dts <= INT_MAX);
1027 
1028  return next_dts;
1029 }
1030 
1032 {
1033  int i, first_duration;
1034 
1035 // return track->par->frame_size;
1036 
1037  /* use 1 for raw PCM */
1038  if (!track->audio_vbr)
1039  return 1;
1040 
1041  /* check to see if duration is constant for all clusters */
1042  if (!track->entry)
1043  return 0;
1044  first_duration = get_cluster_duration(track, 0);
1045  for (i = 1; i < track->entry; i++) {
1046  if (get_cluster_duration(track, i) != first_duration)
1047  return 0;
1048  }
1049  return first_duration;
1050 }
1051 
1053 {
1054  int64_t pos = avio_tell(pb);
1055  int version = 0;
1056  uint32_t tag = track->tag;
1057  int ret = 0;
1058 
1059  if (track->mode == MODE_MOV) {
1060  if (track->timescale > UINT16_MAX || !track->par->channels) {
1061  if (mov_get_lpcm_flags(track->par->codec_id))
1062  tag = AV_RL32("lpcm");
1063  version = 2;
1064  } else if (track->audio_vbr || mov_pcm_le_gt16(track->par->codec_id) ||
1065  mov_pcm_be_gt16(track->par->codec_id) ||
1066  track->par->codec_id == AV_CODEC_ID_ADPCM_MS ||
1067  track->par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
1068  track->par->codec_id == AV_CODEC_ID_QDM2) {
1069  version = 1;
1070  }
1071  }
1072 
1073  avio_wb32(pb, 0); /* size */
1074  if (mov->encryption_scheme != MOV_ENC_NONE) {
1075  ffio_wfourcc(pb, "enca");
1076  } else {
1077  avio_wl32(pb, tag); // store it byteswapped
1078  }
1079  avio_wb32(pb, 0); /* Reserved */
1080  avio_wb16(pb, 0); /* Reserved */
1081  avio_wb16(pb, 1); /* Data-reference index, XXX == 1 */
1082 
1083  /* SoundDescription */
1084  avio_wb16(pb, version); /* Version */
1085  avio_wb16(pb, 0); /* Revision level */
1086  avio_wb32(pb, 0); /* Reserved */
1087 
1088  if (version == 2) {
1089  avio_wb16(pb, 3);
1090  avio_wb16(pb, 16);
1091  avio_wb16(pb, 0xfffe);
1092  avio_wb16(pb, 0);
1093  avio_wb32(pb, 0x00010000);
1094  avio_wb32(pb, 72);
1095  avio_wb64(pb, av_double2int(track->par->sample_rate));
1096  avio_wb32(pb, track->par->channels);
1097  avio_wb32(pb, 0x7F000000);
1099  avio_wb32(pb, mov_get_lpcm_flags(track->par->codec_id));
1100  avio_wb32(pb, track->sample_size);
1101  avio_wb32(pb, get_samples_per_packet(track));
1102  } else {
1103  if (track->mode == MODE_MOV) {
1104  avio_wb16(pb, track->par->channels);
1105  if (track->par->codec_id == AV_CODEC_ID_PCM_U8 ||
1106  track->par->codec_id == AV_CODEC_ID_PCM_S8)
1107  avio_wb16(pb, 8); /* bits per sample */
1108  else if (track->par->codec_id == AV_CODEC_ID_ADPCM_G726)
1109  avio_wb16(pb, track->par->bits_per_coded_sample);
1110  else
1111  avio_wb16(pb, 16);
1112  avio_wb16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
1113  } else { /* reserved for mp4/3gp */
1114  if (track->par->codec_id == AV_CODEC_ID_FLAC ||
1115  track->par->codec_id == AV_CODEC_ID_ALAC ||
1116  track->par->codec_id == AV_CODEC_ID_OPUS) {
1117  avio_wb16(pb, track->par->channels);
1118  } else {
1119  avio_wb16(pb, 2);
1120  }
1121  if (track->par->codec_id == AV_CODEC_ID_FLAC ||
1122  track->par->codec_id == AV_CODEC_ID_ALAC) {
1123  avio_wb16(pb, track->par->bits_per_raw_sample);
1124  } else {
1125  avio_wb16(pb, 16);
1126  }
1127  avio_wb16(pb, 0);
1128  }
1129 
1130  avio_wb16(pb, 0); /* packet size (= 0) */
1131  if (track->par->codec_id == AV_CODEC_ID_OPUS)
1132  avio_wb16(pb, 48000);
1133  else if (track->par->codec_id == AV_CODEC_ID_TRUEHD)
1134  avio_wb32(pb, track->par->sample_rate);
1135  else
1136  avio_wb16(pb, track->par->sample_rate <= UINT16_MAX ?
1137  track->par->sample_rate : 0);
1138 
1139  if (track->par->codec_id != AV_CODEC_ID_TRUEHD)
1140  avio_wb16(pb, 0); /* Reserved */
1141  }
1142 
1143  if (version == 1) { /* SoundDescription V1 extended info */
1144  if (mov_pcm_le_gt16(track->par->codec_id) ||
1145  mov_pcm_be_gt16(track->par->codec_id))
1146  avio_wb32(pb, 1); /* must be 1 for uncompressed formats */
1147  else
1148  avio_wb32(pb, track->par->frame_size); /* Samples per packet */
1149  avio_wb32(pb, track->sample_size / track->par->channels); /* Bytes per packet */
1150  avio_wb32(pb, track->sample_size); /* Bytes per frame */
1151  avio_wb32(pb, 2); /* Bytes per sample */
1152  }
1153 
1154  if (track->mode == MODE_MOV &&
1155  (track->par->codec_id == AV_CODEC_ID_AAC ||
1156  track->par->codec_id == AV_CODEC_ID_AC3 ||
1157  track->par->codec_id == AV_CODEC_ID_EAC3 ||
1158  track->par->codec_id == AV_CODEC_ID_AMR_NB ||
1159  track->par->codec_id == AV_CODEC_ID_ALAC ||
1160  track->par->codec_id == AV_CODEC_ID_ADPCM_MS ||
1161  track->par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
1162  track->par->codec_id == AV_CODEC_ID_QDM2 ||
1163  (mov_pcm_le_gt16(track->par->codec_id) && version==1) ||
1164  (mov_pcm_be_gt16(track->par->codec_id) && version==1)))
1165  ret = mov_write_wave_tag(s, pb, track);
1166  else if (track->tag == MKTAG('m','p','4','a'))
1167  ret = mov_write_esds_tag(pb, track);
1168  else if (track->par->codec_id == AV_CODEC_ID_AMR_NB)
1169  ret = mov_write_amr_tag(pb, track);
1170  else if (track->par->codec_id == AV_CODEC_ID_AC3)
1171  ret = mov_write_ac3_tag(s, pb, track);
1172  else if (track->par->codec_id == AV_CODEC_ID_EAC3)
1173  ret = mov_write_eac3_tag(s, pb, track);
1174  else if (track->par->codec_id == AV_CODEC_ID_ALAC)
1175  ret = mov_write_extradata_tag(pb, track);
1176  else if (track->par->codec_id == AV_CODEC_ID_WMAPRO)
1177  ret = mov_write_wfex_tag(s, pb, track);
1178  else if (track->par->codec_id == AV_CODEC_ID_FLAC)
1179  ret = mov_write_dfla_tag(pb, track);
1180  else if (track->par->codec_id == AV_CODEC_ID_OPUS)
1181  ret = mov_write_dops_tag(s, pb, track);
1182  else if (track->par->codec_id == AV_CODEC_ID_TRUEHD)
1183  ret = mov_write_dmlp_tag(s, pb, track);
1184  else if (track->vos_len > 0)
1185  ret = mov_write_glbl_tag(pb, track);
1186 
1187  if (ret < 0)
1188  return ret;
1189 
1190  if (track->mode == MODE_MOV && track->par->codec_type == AVMEDIA_TYPE_AUDIO
1191  && ((ret = mov_write_chan_tag(s, pb, track)) < 0)) {
1192  return ret;
1193  }
1194 
1195  if (mov->encryption_scheme != MOV_ENC_NONE
1196  && ((ret = ff_mov_cenc_write_sinf_tag(track, pb, mov->encryption_kid)) < 0)) {
1197  return ret;
1198  }
1199 
1200  ret = update_size(pb, pos);
1201  return ret;
1202 }
1203 
1205 {
1206  avio_wb32(pb, 0xf); /* size */
1207  ffio_wfourcc(pb, "d263");
1208  ffio_wfourcc(pb, "FFMP");
1209  avio_w8(pb, 0); /* decoder version */
1210  /* FIXME use AVCodecContext level/profile, when encoder will set values */
1211  avio_w8(pb, 0xa); /* level */
1212  avio_w8(pb, 0); /* profile */
1213  return 0xf;
1214 }
1215 
1216 static int mov_write_av1c_tag(AVIOContext *pb, MOVTrack *track)
1217 {
1218  int64_t pos = avio_tell(pb);
1219 
1220  avio_wb32(pb, 0);
1221  ffio_wfourcc(pb, "av1C");
1222  ff_isom_write_av1c(pb, track->vos_data, track->vos_len);
1223  return update_size(pb, pos);
1224 }
1225 
1226 static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
1227 {
1228  int64_t pos = avio_tell(pb);
1229 
1230  avio_wb32(pb, 0);
1231  ffio_wfourcc(pb, "avcC");
1232  ff_isom_write_avcc(pb, track->vos_data, track->vos_len);
1233  return update_size(pb, pos);
1234 }
1235 
1237 {
1238  int64_t pos = avio_tell(pb);
1239 
1240  avio_wb32(pb, 0);
1241  ffio_wfourcc(pb, "vpcC");
1242  avio_w8(pb, 1); /* version */
1243  avio_wb24(pb, 0); /* flags */
1244  ff_isom_write_vpcc(s, pb, track->par);
1245  return update_size(pb, pos);
1246 }
1247 
1248 static int mov_write_hvcc_tag(AVIOContext *pb, MOVTrack *track)
1249 {
1250  int64_t pos = avio_tell(pb);
1251 
1252  avio_wb32(pb, 0);
1253  ffio_wfourcc(pb, "hvcC");
1254  if (track->tag == MKTAG('h','v','c','1'))
1255  ff_isom_write_hvcc(pb, track->vos_data, track->vos_len, 1);
1256  else
1257  ff_isom_write_hvcc(pb, track->vos_data, track->vos_len, 0);
1258  return update_size(pb, pos);
1259 }
1260 
1261 /* also used by all avid codecs (dv, imx, meridien) and their variants */
1262 static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
1263 {
1264  int i;
1265  int interlaced;
1266  int cid;
1267  int display_width = track->par->width;
1268 
1269  if (track->vos_data && track->vos_len > 0x29) {
1270  if (ff_dnxhd_parse_header_prefix(track->vos_data) != 0) {
1271  /* looks like a DNxHD bit stream */
1272  interlaced = (track->vos_data[5] & 2);
1273  cid = AV_RB32(track->vos_data + 0x28);
1274  } else {
1275  av_log(NULL, AV_LOG_WARNING, "Could not locate DNxHD bit stream in vos_data\n");
1276  return 0;
1277  }
1278  } else {
1279  av_log(NULL, AV_LOG_WARNING, "Could not locate DNxHD bit stream, vos_data too small\n");
1280  return 0;
1281  }
1282 
1283  avio_wb32(pb, 24); /* size */
1284  ffio_wfourcc(pb, "ACLR");
1285  ffio_wfourcc(pb, "ACLR");
1286  ffio_wfourcc(pb, "0001");
1287  if (track->par->color_range == AVCOL_RANGE_MPEG || /* Legal range (16-235) */
1289  avio_wb32(pb, 1); /* Corresponds to 709 in official encoder */
1290  } else { /* Full range (0-255) */
1291  avio_wb32(pb, 2); /* Corresponds to RGB in official encoder */
1292  }
1293  avio_wb32(pb, 0); /* unknown */
1294 
1295  if (track->tag == MKTAG('A','V','d','h')) {
1296  avio_wb32(pb, 32);
1297  ffio_wfourcc(pb, "ADHR");
1298  ffio_wfourcc(pb, "0001");
1299  avio_wb32(pb, cid);
1300  avio_wb32(pb, 0); /* unknown */
1301  avio_wb32(pb, 1); /* unknown */
1302  avio_wb32(pb, 0); /* unknown */
1303  avio_wb32(pb, 0); /* unknown */
1304  return 0;
1305  }
1306 
1307  avio_wb32(pb, 24); /* size */
1308  ffio_wfourcc(pb, "APRG");
1309  ffio_wfourcc(pb, "APRG");
1310  ffio_wfourcc(pb, "0001");
1311  avio_wb32(pb, 1); /* unknown */
1312  avio_wb32(pb, 0); /* unknown */
1313 
1314  avio_wb32(pb, 120); /* size */
1315  ffio_wfourcc(pb, "ARES");
1316  ffio_wfourcc(pb, "ARES");
1317  ffio_wfourcc(pb, "0001");
1318  avio_wb32(pb, cid); /* dnxhd cid, some id ? */
1319  if ( track->par->sample_aspect_ratio.num > 0
1320  && track->par->sample_aspect_ratio.den > 0)
1321  display_width = display_width * track->par->sample_aspect_ratio.num / track->par->sample_aspect_ratio.den;
1322  avio_wb32(pb, display_width);
1323  /* values below are based on samples created with quicktime and avid codecs */
1324  if (interlaced) {
1325  avio_wb32(pb, track->par->height / 2);
1326  avio_wb32(pb, 2); /* unknown */
1327  avio_wb32(pb, 0); /* unknown */
1328  avio_wb32(pb, 4); /* unknown */
1329  } else {
1330  avio_wb32(pb, track->par->height);
1331  avio_wb32(pb, 1); /* unknown */
1332  avio_wb32(pb, 0); /* unknown */
1333  if (track->par->height == 1080)
1334  avio_wb32(pb, 5); /* unknown */
1335  else
1336  avio_wb32(pb, 6); /* unknown */
1337  }
1338  /* padding */
1339  for (i = 0; i < 10; i++)
1340  avio_wb64(pb, 0);
1341 
1342  return 0;
1343 }
1344 
1345 static int mov_write_dpxe_tag(AVIOContext *pb, MOVTrack *track)
1346 {
1347  avio_wb32(pb, 12);
1348  ffio_wfourcc(pb, "DpxE");
1349  if (track->par->extradata_size >= 12 &&
1350  !memcmp(&track->par->extradata[4], "DpxE", 4)) {
1351  avio_wb32(pb, track->par->extradata[11]);
1352  } else {
1353  avio_wb32(pb, 1);
1354  }
1355  return 0;
1356 }
1357 
1359 {
1360  int tag;
1361 
1362  if (track->par->width == 720) { /* SD */
1363  if (track->par->height == 480) { /* NTSC */
1364  if (track->par->format == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
1365  else tag = MKTAG('d','v','c',' ');
1366  }else if (track->par->format == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
1367  else if (track->par->format == AV_PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
1368  else tag = MKTAG('d','v','p','p');
1369  } else if (track->par->height == 720) { /* HD 720 line */
1370  if (track->st->time_base.den == 50) tag = MKTAG('d','v','h','q');
1371  else tag = MKTAG('d','v','h','p');
1372  } else if (track->par->height == 1080) { /* HD 1080 line */
1373  if (track->st->time_base.den == 25) tag = MKTAG('d','v','h','5');
1374  else tag = MKTAG('d','v','h','6');
1375  } else {
1376  av_log(s, AV_LOG_ERROR, "unsupported height for dv codec\n");
1377  return 0;
1378  }
1379 
1380  return tag;
1381 }
1382 
1384 {
1385  AVRational rate = st->avg_frame_rate;
1386 
1387 #if FF_API_LAVF_AVCTX
1389  rate = av_inv_q(st->codec->time_base);
1390  if (av_timecode_check_frame_rate(rate) < 0) {
1391  av_log(s, AV_LOG_DEBUG, "timecode: tbc=%d/%d invalid, fallback on %d/%d\n",
1392  rate.num, rate.den, st->avg_frame_rate.num, st->avg_frame_rate.den);
1393  rate = st->avg_frame_rate;
1394  }
1396 #endif
1397 
1398  return rate;
1399 }
1400 
1402 {
1403  AVRational rational_framerate = find_fps(s, st);
1404  int rate = 0;
1405  if (rational_framerate.den != 0)
1406  rate = av_q2d(rational_framerate);
1407  return rate;
1408 }
1409 
1411 {
1412  int tag = track->par->codec_tag;
1414  AVStream *st = track->st;
1415  int rate = defined_frame_rate(s, st);
1416 
1417  if (!tag)
1418  tag = MKTAG('m', '2', 'v', '1'); //fallback tag
1419 
1420  if (track->par->format == AV_PIX_FMT_YUV420P) {
1421  if (track->par->width == 1280 && track->par->height == 720) {
1422  if (!interlaced) {
1423  if (rate == 24) tag = MKTAG('x','d','v','4');
1424  else if (rate == 25) tag = MKTAG('x','d','v','5');
1425  else if (rate == 30) tag = MKTAG('x','d','v','1');
1426  else if (rate == 50) tag = MKTAG('x','d','v','a');
1427  else if (rate == 60) tag = MKTAG('x','d','v','9');
1428  }
1429  } else if (track->par->width == 1440 && track->par->height == 1080) {
1430  if (!interlaced) {
1431  if (rate == 24) tag = MKTAG('x','d','v','6');
1432  else if (rate == 25) tag = MKTAG('x','d','v','7');
1433  else if (rate == 30) tag = MKTAG('x','d','v','8');
1434  } else {
1435  if (rate == 25) tag = MKTAG('x','d','v','3');
1436  else if (rate == 30) tag = MKTAG('x','d','v','2');
1437  }
1438  } else if (track->par->width == 1920 && track->par->height == 1080) {
1439  if (!interlaced) {
1440  if (rate == 24) tag = MKTAG('x','d','v','d');
1441  else if (rate == 25) tag = MKTAG('x','d','v','e');
1442  else if (rate == 30) tag = MKTAG('x','d','v','f');
1443  } else {
1444  if (rate == 25) tag = MKTAG('x','d','v','c');
1445  else if (rate == 30) tag = MKTAG('x','d','v','b');
1446  }
1447  }
1448  } else if (track->par->format == AV_PIX_FMT_YUV422P) {
1449  if (track->par->width == 1280 && track->par->height == 720) {
1450  if (!interlaced) {
1451  if (rate == 24) tag = MKTAG('x','d','5','4');
1452  else if (rate == 25) tag = MKTAG('x','d','5','5');
1453  else if (rate == 30) tag = MKTAG('x','d','5','1');
1454  else if (rate == 50) tag = MKTAG('x','d','5','a');
1455  else if (rate == 60) tag = MKTAG('x','d','5','9');
1456  }
1457  } else if (track->par->width == 1920 && track->par->height == 1080) {
1458  if (!interlaced) {
1459  if (rate == 24) tag = MKTAG('x','d','5','d');
1460  else if (rate == 25) tag = MKTAG('x','d','5','e');
1461  else if (rate == 30) tag = MKTAG('x','d','5','f');
1462  } else {
1463  if (rate == 25) tag = MKTAG('x','d','5','c');
1464  else if (rate == 30) tag = MKTAG('x','d','5','b');
1465  }
1466  }
1467  }
1468 
1469  return tag;
1470 }
1471 
1473 {
1474  int tag = track->par->codec_tag;
1476  AVStream *st = track->st;
1477  int rate = defined_frame_rate(s, st);
1478 
1479  if (!tag)
1480  tag = MKTAG('a', 'v', 'c', 'i'); //fallback tag
1481 
1482  if (track->par->format == AV_PIX_FMT_YUV420P10) {
1483  if (track->par->width == 960 && track->par->height == 720) {
1484  if (!interlaced) {
1485  if (rate == 24) tag = MKTAG('a','i','5','p');
1486  else if (rate == 25) tag = MKTAG('a','i','5','q');
1487  else if (rate == 30) tag = MKTAG('a','i','5','p');
1488  else if (rate == 50) tag = MKTAG('a','i','5','q');
1489  else if (rate == 60) tag = MKTAG('a','i','5','p');
1490  }
1491  } else if (track->par->width == 1440 && track->par->height == 1080) {
1492  if (!interlaced) {
1493  if (rate == 24) tag = MKTAG('a','i','5','3');
1494  else if (rate == 25) tag = MKTAG('a','i','5','2');
1495  else if (rate == 30) tag = MKTAG('a','i','5','3');
1496  } else {
1497  if (rate == 50) tag = MKTAG('a','i','5','5');
1498  else if (rate == 60) tag = MKTAG('a','i','5','6');
1499  }
1500  }
1501  } else if (track->par->format == AV_PIX_FMT_YUV422P10) {
1502  if (track->par->width == 1280 && track->par->height == 720) {
1503  if (!interlaced) {
1504  if (rate == 24) tag = MKTAG('a','i','1','p');
1505  else if (rate == 25) tag = MKTAG('a','i','1','q');
1506  else if (rate == 30) tag = MKTAG('a','i','1','p');
1507  else if (rate == 50) tag = MKTAG('a','i','1','q');
1508  else if (rate == 60) tag = MKTAG('a','i','1','p');
1509  }
1510  } else if (track->par->width == 1920 && track->par->height == 1080) {
1511  if (!interlaced) {
1512  if (rate == 24) tag = MKTAG('a','i','1','3');
1513  else if (rate == 25) tag = MKTAG('a','i','1','2');
1514  else if (rate == 30) tag = MKTAG('a','i','1','3');
1515  } else {
1516  if (rate == 25) tag = MKTAG('a','i','1','5');
1517  else if (rate == 50) tag = MKTAG('a','i','1','5');
1518  else if (rate == 60) tag = MKTAG('a','i','1','6');
1519  }
1520  } else if ( track->par->width == 4096 && track->par->height == 2160
1521  || track->par->width == 3840 && track->par->height == 2160
1522  || track->par->width == 2048 && track->par->height == 1080) {
1523  tag = MKTAG('a','i','v','x');
1524  }
1525  }
1526 
1527  return tag;
1528 }
1529 
1530 static const struct {
1532  uint32_t tag;
1533  unsigned bps;
1534 } mov_pix_fmt_tags[] = {
1535  { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','2'), 0 },
1536  { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
1537  { AV_PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
1538  { AV_PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 },
1539  { AV_PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
1540  { AV_PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
1541  { AV_PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
1542  { AV_PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 },
1543  { AV_PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
1544  { AV_PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
1545  { AV_PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
1546  { AV_PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
1547  { AV_PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
1548  { AV_PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 },
1549  { AV_PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
1550 };
1551 
1553 {
1554  int tag = MKTAG('A','V','d','n');
1555  if (track->par->profile != FF_PROFILE_UNKNOWN &&
1556  track->par->profile != FF_PROFILE_DNXHD)
1557  tag = MKTAG('A','V','d','h');
1558  return tag;
1559 }
1560 
1562 {
1563  int tag = track->par->codec_tag;
1564  int i;
1565  enum AVPixelFormat pix_fmt;
1566 
1567  for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
1568  if (track->par->format == mov_pix_fmt_tags[i].pix_fmt) {
1569  tag = mov_pix_fmt_tags[i].tag;
1571  if (track->par->codec_tag == mov_pix_fmt_tags[i].tag)
1572  break;
1573  }
1574  }
1575 
1577  track->par->bits_per_coded_sample);
1578  if (tag == MKTAG('r','a','w',' ') &&
1579  track->par->format != pix_fmt &&
1580  track->par->format != AV_PIX_FMT_GRAY8 &&
1581  track->par->format != AV_PIX_FMT_NONE)
1582  av_log(s, AV_LOG_ERROR, "%s rawvideo cannot be written to mov, output file will be unreadable\n",
1583  av_get_pix_fmt_name(track->par->format));
1584  return tag;
1585 }
1586 
1587 static unsigned int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
1588 {
1589  unsigned int tag = track->par->codec_tag;
1590 
1591  // "rtp " is used to distinguish internally created RTP-hint tracks
1592  // (with rtp_ctx) from other tracks.
1593  if (tag == MKTAG('r','t','p',' '))
1594  tag = 0;
1595  if (!tag || (s->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
1596  (track->par->codec_id == AV_CODEC_ID_DVVIDEO ||
1597  track->par->codec_id == AV_CODEC_ID_RAWVIDEO ||
1598  track->par->codec_id == AV_CODEC_ID_H263 ||
1599  track->par->codec_id == AV_CODEC_ID_H264 ||
1600  track->par->codec_id == AV_CODEC_ID_DNXHD ||
1601  track->par->codec_id == AV_CODEC_ID_MPEG2VIDEO ||
1602  av_get_bits_per_sample(track->par->codec_id)))) { // pcm audio
1603  if (track->par->codec_id == AV_CODEC_ID_DVVIDEO)
1604  tag = mov_get_dv_codec_tag(s, track);
1605  else if (track->par->codec_id == AV_CODEC_ID_RAWVIDEO)
1606  tag = mov_get_rawvideo_codec_tag(s, track);
1607  else if (track->par->codec_id == AV_CODEC_ID_MPEG2VIDEO)
1608  tag = mov_get_mpeg2_xdcam_codec_tag(s, track);
1609  else if (track->par->codec_id == AV_CODEC_ID_H264)
1610  tag = mov_get_h264_codec_tag(s, track);
1611  else if (track->par->codec_id == AV_CODEC_ID_DNXHD)
1612  tag = mov_get_dnxhd_codec_tag(s, track);
1613  else if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
1615  if (!tag) { // if no mac fcc found, try with Microsoft tags
1617  if (tag)
1618  av_log(s, AV_LOG_WARNING, "Using MS style video codec tag, "
1619  "the file may be unplayable!\n");
1620  }
1621  } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
1623  if (!tag) { // if no mac fcc found, try with Microsoft tags
1624  int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->par->codec_id);
1625  if (ms_tag) {
1626  tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
1627  av_log(s, AV_LOG_WARNING, "Using MS style audio codec tag, "
1628  "the file may be unplayable!\n");
1629  }
1630  }
1631  } else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE)
1633  }
1634 
1635  return tag;
1636 }
1637 
1639  { AV_CODEC_ID_MJPEG, 0xD },
1640  { AV_CODEC_ID_PNG, 0xE },
1641  { AV_CODEC_ID_BMP, 0x1B },
1642  { AV_CODEC_ID_NONE, 0 },
1643 };
1644 
1645 static unsigned int validate_codec_tag(const AVCodecTag *const *tags,
1646  unsigned int tag, int codec_id)
1647 {
1648  int i;
1649 
1650  /**
1651  * Check that tag + id is in the table
1652  */
1653  for (i = 0; tags && tags[i]; i++) {
1654  const AVCodecTag *codec_tags = tags[i];
1655  while (codec_tags->id != AV_CODEC_ID_NONE) {
1656  if (avpriv_toupper4(codec_tags->tag) == avpriv_toupper4(tag) &&
1657  codec_tags->id == codec_id)
1658  return codec_tags->tag;
1659  codec_tags++;
1660  }
1661  }
1662  return 0;
1663 }
1664 
1665 static unsigned int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
1666 {
1667  if (is_cover_image(track->st))
1668  return ff_codec_get_tag(codec_cover_image_tags, track->par->codec_id);
1669 
1670  if (track->mode == MODE_IPOD)
1671  if (!av_match_ext(s->url, "m4a") &&
1672  !av_match_ext(s->url, "m4v") &&
1673  !av_match_ext(s->url, "m4b"))
1674  av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
1675  "Quicktime/Ipod might not play the file\n");
1676 
1677  if (track->mode == MODE_MOV) {
1678  return mov_get_codec_tag(s, track);
1679  } else
1680  return validate_codec_tag(s->oformat->codec_tag, track->par->codec_tag,
1681  track->par->codec_id);
1682 }
1683 
1684 /** Write uuid atom.
1685  * Needed to make file play in iPods running newest firmware
1686  * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
1687  */
1689 {
1690  avio_wb32(pb, 28);
1691  ffio_wfourcc(pb, "uuid");
1692  avio_wb32(pb, 0x6b6840f2);
1693  avio_wb32(pb, 0x5f244fc5);
1694  avio_wb32(pb, 0xba39a51b);
1695  avio_wb32(pb, 0xcf0323f3);
1696  avio_wb32(pb, 0x0);
1697  return 28;
1698 }
1699 
1700 static const uint16_t fiel_data[] = {
1701  0x0000, 0x0100, 0x0201, 0x0206, 0x0209, 0x020e
1702 };
1703 
1704 static int mov_write_fiel_tag(AVIOContext *pb, MOVTrack *track, int field_order)
1705 {
1706  unsigned mov_field_order = 0;
1707  if (field_order < FF_ARRAY_ELEMS(fiel_data))
1708  mov_field_order = fiel_data[field_order];
1709  else
1710  return 0;
1711  avio_wb32(pb, 10);
1712  ffio_wfourcc(pb, "fiel");
1713  avio_wb16(pb, mov_field_order);
1714  return 10;
1715 }
1716 
1718 {
1719  int64_t pos = avio_tell(pb);
1720  avio_wb32(pb, 0); /* size */
1721  avio_wl32(pb, track->tag); // store it byteswapped
1722  avio_wb32(pb, 0); /* Reserved */
1723  avio_wb16(pb, 0); /* Reserved */
1724  avio_wb16(pb, 1); /* Data-reference index */
1725 
1726  if (track->par->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
1727  mov_write_esds_tag(pb, track);
1728  else if (track->par->extradata_size)
1729  avio_write(pb, track->par->extradata, track->par->extradata_size);
1730 
1731  return update_size(pb, pos);
1732 }
1733 
1735 {
1736  int8_t stereo_mode;
1737 
1738  if (stereo_3d->flags != 0) {
1739  av_log(s, AV_LOG_WARNING, "Unsupported stereo_3d flags %x. st3d not written.\n", stereo_3d->flags);
1740  return 0;
1741  }
1742 
1743  switch (stereo_3d->type) {
1744  case AV_STEREO3D_2D:
1745  stereo_mode = 0;
1746  break;
1747  case AV_STEREO3D_TOPBOTTOM:
1748  stereo_mode = 1;
1749  break;
1751  stereo_mode = 2;
1752  break;
1753  default:
1754  av_log(s, AV_LOG_WARNING, "Unsupported stereo_3d type %s. st3d not written.\n", av_stereo3d_type_name(stereo_3d->type));
1755  return 0;
1756  }
1757  avio_wb32(pb, 13); /* size */
1758  ffio_wfourcc(pb, "st3d");
1759  avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1760  avio_w8(pb, stereo_mode);
1761  return 13;
1762 }
1763 
1765 {
1766  int64_t sv3d_pos, svhd_pos, proj_pos;
1767  const char* metadata_source = s->flags & AVFMT_FLAG_BITEXACT ? "Lavf" : LIBAVFORMAT_IDENT;
1768 
1769  if (spherical_mapping->projection != AV_SPHERICAL_EQUIRECTANGULAR &&
1770  spherical_mapping->projection != AV_SPHERICAL_EQUIRECTANGULAR_TILE &&
1771  spherical_mapping->projection != AV_SPHERICAL_CUBEMAP) {
1772  av_log(s, AV_LOG_WARNING, "Unsupported projection %d. sv3d not written.\n", spherical_mapping->projection);
1773  return 0;
1774  }
1775 
1776  sv3d_pos = avio_tell(pb);
1777  avio_wb32(pb, 0); /* size */
1778  ffio_wfourcc(pb, "sv3d");
1779 
1780  svhd_pos = avio_tell(pb);
1781  avio_wb32(pb, 0); /* size */
1782  ffio_wfourcc(pb, "svhd");
1783  avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1784  avio_put_str(pb, metadata_source);
1785  update_size(pb, svhd_pos);
1786 
1787  proj_pos = avio_tell(pb);
1788  avio_wb32(pb, 0); /* size */
1789  ffio_wfourcc(pb, "proj");
1790 
1791  avio_wb32(pb, 24); /* size */
1792  ffio_wfourcc(pb, "prhd");
1793  avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1794  avio_wb32(pb, spherical_mapping->yaw);
1795  avio_wb32(pb, spherical_mapping->pitch);
1796  avio_wb32(pb, spherical_mapping->roll);
1797 
1798  switch (spherical_mapping->projection) {
1801  avio_wb32(pb, 28); /* size */
1802  ffio_wfourcc(pb, "equi");
1803  avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1804  avio_wb32(pb, spherical_mapping->bound_top);
1805  avio_wb32(pb, spherical_mapping->bound_bottom);
1806  avio_wb32(pb, spherical_mapping->bound_left);
1807  avio_wb32(pb, spherical_mapping->bound_right);
1808  break;
1809  case AV_SPHERICAL_CUBEMAP:
1810  avio_wb32(pb, 20); /* size */
1811  ffio_wfourcc(pb, "cbmp");
1812  avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1813  avio_wb32(pb, 0); /* layout */
1814  avio_wb32(pb, spherical_mapping->padding); /* padding */
1815  break;
1816  }
1817  update_size(pb, proj_pos);
1818 
1819  return update_size(pb, sv3d_pos);
1820 }
1821 
1823 {
1824  avio_wb32(pb, 32); /* size = 8 + 24 */
1825  if (dovi->dv_profile > 7)
1826  ffio_wfourcc(pb, "dvvC");
1827  else
1828  ffio_wfourcc(pb, "dvcC");
1829  avio_w8(pb, dovi->dv_version_major);
1830  avio_w8(pb, dovi->dv_version_minor);
1831  avio_wb16(pb, (dovi->dv_profile << 9) | (dovi->dv_level << 3) |
1832  (dovi->rpu_present_flag << 2) | (dovi->el_present_flag << 1) |
1833  dovi->bl_present_flag);
1834  avio_wb32(pb, (dovi->dv_bl_signal_compatibility_id << 28) | 0);
1835 
1836  avio_wb32(pb, 0); /* reserved */
1837  avio_wb32(pb, 0); /* reserved */
1838  avio_wb32(pb, 0); /* reserved */
1839  avio_wb32(pb, 0); /* reserved */
1840  av_log(s, AV_LOG_DEBUG, "DOVI in %s box, version: %d.%d, profile: %d, level: %d, "
1841  "rpu flag: %d, el flag: %d, bl flag: %d, compatibility id: %d\n",
1842  dovi->dv_profile > 7 ? "dvvC" : "dvcC",
1843  dovi->dv_version_major, dovi->dv_version_minor,
1844  dovi->dv_profile, dovi->dv_level,
1845  dovi->rpu_present_flag,
1846  dovi->el_present_flag,
1847  dovi->bl_present_flag,
1849  return 32; /* 8 + 24 */
1850 }
1851 
1852 static int mov_write_clap_tag(AVIOContext *pb, MOVTrack *track)
1853 {
1854  avio_wb32(pb, 40);
1855  ffio_wfourcc(pb, "clap");
1856  avio_wb32(pb, track->par->width); /* apertureWidth_N */
1857  avio_wb32(pb, 1); /* apertureWidth_D (= 1) */
1858  avio_wb32(pb, track->height); /* apertureHeight_N */
1859  avio_wb32(pb, 1); /* apertureHeight_D (= 1) */
1860  avio_wb32(pb, 0); /* horizOff_N (= 0) */
1861  avio_wb32(pb, 1); /* horizOff_D (= 1) */
1862  avio_wb32(pb, 0); /* vertOff_N (= 0) */
1863  avio_wb32(pb, 1); /* vertOff_D (= 1) */
1864  return 40;
1865 }
1866 
1867 static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
1868 {
1869  AVRational sar;
1870  av_reduce(&sar.num, &sar.den, track->par->sample_aspect_ratio.num,
1871  track->par->sample_aspect_ratio.den, INT_MAX);
1872 
1873  avio_wb32(pb, 16);
1874  ffio_wfourcc(pb, "pasp");
1875  avio_wb32(pb, sar.num);
1876  avio_wb32(pb, sar.den);
1877  return 16;
1878 }
1879 
1880 static int mov_write_gama_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track, double gamma)
1881 {
1882  uint32_t gama = 0;
1883  if (gamma <= 0.0) {
1884  gamma = avpriv_get_gamma_from_trc(track->par->color_trc);
1885  }
1886  av_log(s, AV_LOG_DEBUG, "gamma value %g\n", gamma);
1887 
1888  if (gamma > 1e-6) {
1889  gama = (uint32_t)lrint((double)(1<<16) * gamma);
1890  av_log(s, AV_LOG_DEBUG, "writing gama value %"PRId32"\n", gama);
1891 
1892  av_assert0(track->mode == MODE_MOV);
1893  avio_wb32(pb, 12);
1894  ffio_wfourcc(pb, "gama");
1895  avio_wb32(pb, gama);
1896  return 12;
1897  } else {
1898  av_log(s, AV_LOG_WARNING, "gamma value unknown, unable to write gama atom\n");
1899  }
1900  return 0;
1901 }
1902 
1903 static int mov_write_colr_tag(AVIOContext *pb, MOVTrack *track, int prefer_icc)
1904 {
1905  int64_t pos = avio_tell(pb);
1906 
1907  // Ref (MOV): https://developer.apple.com/library/mac/technotes/tn2162/_index.html#//apple_ref/doc/uid/DTS40013070-CH1-TNTAG9
1908  // Ref (MP4): ISO/IEC 14496-12:2012
1909 
1910  const uint8_t *icc_profile;
1911  int icc_profile_size;
1912 
1913  if (prefer_icc) {
1914  icc_profile = av_stream_get_side_data(track->st, AV_PKT_DATA_ICC_PROFILE, &icc_profile_size);
1915 
1916  if (icc_profile) {
1917  avio_wb32(pb, 12 + icc_profile_size);
1918  ffio_wfourcc(pb, "colr");
1919  ffio_wfourcc(pb, "prof");
1920  avio_write(pb, icc_profile, icc_profile_size);
1921  return 12 + icc_profile_size;
1922  }
1923  else {
1924  av_log(NULL, AV_LOG_INFO, "no ICC profile found, will write nclx/nclc colour info instead\n");
1925  }
1926  }
1927 
1928  /* We should only ever be called by MOV or MP4. */
1929  av_assert0(track->mode == MODE_MOV || track->mode == MODE_MP4);
1930 
1931  avio_wb32(pb, 0); /* size */
1932  ffio_wfourcc(pb, "colr");
1933  if (track->mode == MODE_MP4)
1934  ffio_wfourcc(pb, "nclx");
1935  else
1936  ffio_wfourcc(pb, "nclc");
1937  // Do not try to guess the color info if it is AVCOL_PRI_UNSPECIFIED.
1938  // e.g., Dolby Vision for Apple devices should be set to AVCOL_PRI_UNSPECIFIED. See
1939  // https://developer.apple.com/av-foundation/High-Dynamic-Range-Metadata-for-Apple-Devices.pdf
1940  avio_wb16(pb, track->par->color_primaries);
1941  avio_wb16(pb, track->par->color_trc);
1942  avio_wb16(pb, track->par->color_space);
1943  if (track->mode == MODE_MP4) {
1944  int full_range = track->par->color_range == AVCOL_RANGE_JPEG;
1945  avio_w8(pb, full_range << 7);
1946  }
1947 
1948  return update_size(pb, pos);
1949 }
1950 
1951 static int mov_write_clli_tag(AVIOContext *pb, MOVTrack *track)
1952 {
1953  const uint8_t *side_data;
1954  const AVContentLightMetadata *content_light_metadata;
1955 
1957  if (!side_data) {
1958  av_log(NULL, AV_LOG_VERBOSE, "Not writing 'clli' atom. No content light level info.\n");
1959  return 0;
1960  }
1961  content_light_metadata = (const AVContentLightMetadata*)side_data;
1962 
1963  avio_wb32(pb, 12); // size
1964  ffio_wfourcc(pb, "clli");
1965  avio_wb16(pb, content_light_metadata->MaxCLL);
1966  avio_wb16(pb, content_light_metadata->MaxFALL);
1967  return 12;
1968 }
1969 
1970 static inline int64_t rescale_mdcv(AVRational q, int b)
1971 {
1972  return av_rescale(q.num, b, q.den);
1973 }
1974 
1975 static int mov_write_mdcv_tag(AVIOContext *pb, MOVTrack *track)
1976 {
1977  const int chroma_den = 50000;
1978  const int luma_den = 10000;
1979  const uint8_t *side_data;
1980  const AVMasteringDisplayMetadata *metadata;
1981 
1983  metadata = (const AVMasteringDisplayMetadata*)side_data;
1984  if (!metadata || !metadata->has_primaries || !metadata->has_luminance) {
1985  av_log(NULL, AV_LOG_VERBOSE, "Not writing 'mdcv' atom. Missing mastering metadata.\n");
1986  return 0;
1987  }
1988 
1989  avio_wb32(pb, 32); // size
1990  ffio_wfourcc(pb, "mdcv");
1991  avio_wb16(pb, rescale_mdcv(metadata->display_primaries[1][0], chroma_den));
1992  avio_wb16(pb, rescale_mdcv(metadata->display_primaries[1][1], chroma_den));
1993  avio_wb16(pb, rescale_mdcv(metadata->display_primaries[2][0], chroma_den));
1994  avio_wb16(pb, rescale_mdcv(metadata->display_primaries[2][1], chroma_den));
1995  avio_wb16(pb, rescale_mdcv(metadata->display_primaries[0][0], chroma_den));
1996  avio_wb16(pb, rescale_mdcv(metadata->display_primaries[0][1], chroma_den));
1997  avio_wb16(pb, rescale_mdcv(metadata->white_point[0], chroma_den));
1998  avio_wb16(pb, rescale_mdcv(metadata->white_point[1], chroma_den));
1999  avio_wb32(pb, rescale_mdcv(metadata->max_luminance, luma_den));
2000  avio_wb32(pb, rescale_mdcv(metadata->min_luminance, luma_den));
2001  return 32;
2002 }
2003 
2004 static void find_compressor(char * compressor_name, int len, MOVTrack *track)
2005 {
2006  AVDictionaryEntry *encoder;
2007  int xdcam_res = (track->par->width == 1280 && track->par->height == 720)
2008  || (track->par->width == 1440 && track->par->height == 1080)
2009  || (track->par->width == 1920 && track->par->height == 1080);
2010 
2011  if (track->mode == MODE_MOV &&
2012  (encoder = av_dict_get(track->st->metadata, "encoder", NULL, 0))) {
2013  av_strlcpy(compressor_name, encoder->value, 32);
2014  } else if (track->par->codec_id == AV_CODEC_ID_MPEG2VIDEO && xdcam_res) {
2016  AVStream *st = track->st;
2017  int rate = defined_frame_rate(NULL, st);
2018  av_strlcatf(compressor_name, len, "XDCAM");
2019  if (track->par->format == AV_PIX_FMT_YUV422P) {
2020  av_strlcatf(compressor_name, len, " HD422");
2021  } else if(track->par->width == 1440) {
2022  av_strlcatf(compressor_name, len, " HD");
2023  } else
2024  av_strlcatf(compressor_name, len, " EX");
2025 
2026  av_strlcatf(compressor_name, len, " %d%c", track->par->height, interlaced ? 'i' : 'p');
2027 
2028  av_strlcatf(compressor_name, len, "%d", rate * (interlaced + 1));
2029  }
2030 }
2031 
2033 {
2034  int64_t pos = avio_tell(pb);
2035  char compressor_name[32] = { 0 };
2036  int avid = 0;
2037 
2038  int uncompressed_ycbcr = ((track->par->codec_id == AV_CODEC_ID_RAWVIDEO && track->par->format == AV_PIX_FMT_UYVY422)
2039  || (track->par->codec_id == AV_CODEC_ID_RAWVIDEO && track->par->format == AV_PIX_FMT_YUYV422)
2040  || track->par->codec_id == AV_CODEC_ID_V308
2041  || track->par->codec_id == AV_CODEC_ID_V408
2042  || track->par->codec_id == AV_CODEC_ID_V410
2043  || track->par->codec_id == AV_CODEC_ID_V210);
2044 
2045  avio_wb32(pb, 0); /* size */
2046  if (mov->encryption_scheme != MOV_ENC_NONE) {
2047  ffio_wfourcc(pb, "encv");
2048  } else {
2049  avio_wl32(pb, track->tag); // store it byteswapped
2050  }
2051  avio_wb32(pb, 0); /* Reserved */
2052  avio_wb16(pb, 0); /* Reserved */
2053  avio_wb16(pb, 1); /* Data-reference index */
2054 
2055  if (uncompressed_ycbcr) {
2056  avio_wb16(pb, 2); /* Codec stream version */
2057  } else {
2058  avio_wb16(pb, 0); /* Codec stream version */
2059  }
2060  avio_wb16(pb, 0); /* Codec stream revision (=0) */
2061  if (track->mode == MODE_MOV) {
2062  ffio_wfourcc(pb, "FFMP"); /* Vendor */
2063  if (track->par->codec_id == AV_CODEC_ID_RAWVIDEO || uncompressed_ycbcr) {
2064  avio_wb32(pb, 0); /* Temporal Quality */
2065  avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/
2066  } else {
2067  avio_wb32(pb, 0x200); /* Temporal Quality = normal */
2068  avio_wb32(pb, 0x200); /* Spatial Quality = normal */
2069  }
2070  } else {
2071  avio_wb32(pb, 0); /* Reserved */
2072  avio_wb32(pb, 0); /* Reserved */
2073  avio_wb32(pb, 0); /* Reserved */
2074  }
2075  avio_wb16(pb, track->par->width); /* Video width */
2076  avio_wb16(pb, track->height); /* Video height */
2077  avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */
2078  avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */
2079  avio_wb32(pb, 0); /* Data size (= 0) */
2080  avio_wb16(pb, 1); /* Frame count (= 1) */
2081 
2082  /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
2083  find_compressor(compressor_name, 32, track);
2084  avio_w8(pb, strlen(compressor_name));
2085  avio_write(pb, compressor_name, 31);
2086 
2087  if (track->mode == MODE_MOV &&
2088  (track->par->codec_id == AV_CODEC_ID_V410 || track->par->codec_id == AV_CODEC_ID_V210))
2089  avio_wb16(pb, 0x18);
2090  else if (track->mode == MODE_MOV && track->par->bits_per_coded_sample)
2091  avio_wb16(pb, track->par->bits_per_coded_sample |
2092  (track->par->format == AV_PIX_FMT_GRAY8 ? 0x20 : 0));
2093  else
2094  avio_wb16(pb, 0x18); /* Reserved */
2095 
2096  if (track->mode == MODE_MOV && track->par->format == AV_PIX_FMT_PAL8) {
2097  int pal_size, i;
2098  avio_wb16(pb, 0); /* Color table ID */
2099  avio_wb32(pb, 0); /* Color table seed */
2100  avio_wb16(pb, 0x8000); /* Color table flags */
2101  if (track->par->bits_per_coded_sample < 0 || track->par->bits_per_coded_sample > 8)
2102  return AVERROR(EINVAL);
2103  pal_size = 1 << track->par->bits_per_coded_sample;
2104  avio_wb16(pb, pal_size - 1); /* Color table size (zero-relative) */
2105  for (i = 0; i < pal_size; i++) {
2106  uint32_t rgb = track->palette[i];
2107  uint16_t r = (rgb >> 16) & 0xff;
2108  uint16_t g = (rgb >> 8) & 0xff;
2109  uint16_t b = rgb & 0xff;
2110  avio_wb16(pb, 0);
2111  avio_wb16(pb, (r << 8) | r);
2112  avio_wb16(pb, (g << 8) | g);
2113  avio_wb16(pb, (b << 8) | b);
2114  }
2115  } else
2116  avio_wb16(pb, 0xffff); /* Reserved */
2117 
2118  if (track->tag == MKTAG('m','p','4','v'))
2119  mov_write_esds_tag(pb, track);
2120  else if (track->par->codec_id == AV_CODEC_ID_H263)
2121  mov_write_d263_tag(pb);
2122  else if (track->par->codec_id == AV_CODEC_ID_AVUI ||
2123  track->par->codec_id == AV_CODEC_ID_SVQ3) {
2124  mov_write_extradata_tag(pb, track);
2125  avio_wb32(pb, 0);
2126  } else if (track->par->codec_id == AV_CODEC_ID_DNXHD) {
2127  mov_write_avid_tag(pb, track);
2128  avid = 1;
2129  } else if (track->par->codec_id == AV_CODEC_ID_HEVC)
2130  mov_write_hvcc_tag(pb, track);
2131  else if (track->par->codec_id == AV_CODEC_ID_H264 && !TAG_IS_AVCI(track->tag)) {
2132  mov_write_avcc_tag(pb, track);
2133  if (track->mode == MODE_IPOD)
2135  } else if (track->par->codec_id == AV_CODEC_ID_VP9) {
2136  mov_write_vpcc_tag(mov->fc, pb, track);
2137  } else if (track->par->codec_id == AV_CODEC_ID_AV1) {
2138  mov_write_av1c_tag(pb, track);
2139  } else if (track->par->codec_id == AV_CODEC_ID_VC1 && track->vos_len > 0)
2140  mov_write_dvc1_tag(pb, track);
2141  else if (track->par->codec_id == AV_CODEC_ID_VP6F ||
2142  track->par->codec_id == AV_CODEC_ID_VP6A) {
2143  /* Don't write any potential extradata here - the cropping
2144  * is signalled via the normal width/height fields. */
2145  } else if (track->par->codec_id == AV_CODEC_ID_R10K) {
2146  if (track->par->codec_tag == MKTAG('R','1','0','k'))
2147  mov_write_dpxe_tag(pb, track);
2148  } else if (track->vos_len > 0)
2149  mov_write_glbl_tag(pb, track);
2150 
2151  if (track->par->codec_id != AV_CODEC_ID_H264 &&
2152  track->par->codec_id != AV_CODEC_ID_MPEG4 &&
2153  track->par->codec_id != AV_CODEC_ID_DNXHD) {
2154  int field_order = track->par->field_order;
2155 
2156 #if FF_API_LAVF_AVCTX
2158  if (field_order != track->st->codec->field_order && track->st->codec->field_order != AV_FIELD_UNKNOWN)
2159  field_order = track->st->codec->field_order;
2161 #endif
2162 
2163  if (field_order != AV_FIELD_UNKNOWN)
2164  mov_write_fiel_tag(pb, track, field_order);
2165  }
2166 
2167  if (mov->flags & FF_MOV_FLAG_WRITE_GAMA) {
2168  if (track->mode == MODE_MOV)
2169  mov_write_gama_tag(s, pb, track, mov->gamma);
2170  else
2171  av_log(mov->fc, AV_LOG_WARNING, "Not writing 'gama' atom. Format is not MOV.\n");
2172  }
2173  if (mov->flags & FF_MOV_FLAG_WRITE_COLR) {
2174  if (track->mode == MODE_MOV || track->mode == MODE_MP4)
2175  mov_write_colr_tag(pb, track, mov->flags & FF_MOV_FLAG_PREFER_ICC);
2176  else
2177  av_log(mov->fc, AV_LOG_WARNING, "Not writing 'colr' atom. Format is not MOV or MP4.\n");
2178  }
2179  if (track->mode == MODE_MOV || track->mode == MODE_MP4) {
2180  mov_write_clli_tag(pb, track);
2181  mov_write_mdcv_tag(pb, track);
2182  }
2183 
2184  if (track->mode == MODE_MP4 && mov->fc->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL) {
2189 
2190  if (stereo_3d)
2191  mov_write_st3d_tag(s, pb, stereo_3d);
2192  if (spherical_mapping)
2193  mov_write_sv3d_tag(mov->fc, pb, spherical_mapping);
2194  if (dovi)
2195  mov_write_dvcc_dvvc_tag(s, pb, dovi);
2196  }
2197 
2198  if (track->par->sample_aspect_ratio.den && track->par->sample_aspect_ratio.num) {
2199  mov_write_pasp_tag(pb, track);
2200  }
2201 
2202  if (uncompressed_ycbcr){
2203  mov_write_clap_tag(pb, track);
2204  }
2205 
2206  if (mov->encryption_scheme != MOV_ENC_NONE) {
2207  ff_mov_cenc_write_sinf_tag(track, pb, mov->encryption_kid);
2208  }
2209 
2210  /* extra padding for avid stsd */
2211  /* https://developer.apple.com/library/mac/documentation/QuickTime/QTFF/QTFFChap2/qtff2.html#//apple_ref/doc/uid/TP40000939-CH204-61112 */
2212  if (avid)
2213  avio_wb32(pb, 0);
2214 
2215  return update_size(pb, pos);
2216 }
2217 
2218 static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
2219 {
2220  int64_t pos = avio_tell(pb);
2221  avio_wb32(pb, 0); /* size */
2222  ffio_wfourcc(pb, "rtp ");
2223  avio_wb32(pb, 0); /* Reserved */
2224  avio_wb16(pb, 0); /* Reserved */
2225  avio_wb16(pb, 1); /* Data-reference index */
2226 
2227  avio_wb16(pb, 1); /* Hint track version */
2228  avio_wb16(pb, 1); /* Highest compatible version */
2229  avio_wb32(pb, track->max_packet_size); /* Max packet size */
2230 
2231  avio_wb32(pb, 12); /* size */
2232  ffio_wfourcc(pb, "tims");
2233  avio_wb32(pb, track->timescale);
2234 
2235  return update_size(pb, pos);
2236 }
2237 
2238 static int mov_write_source_reference_tag(AVIOContext *pb, MOVTrack *track, const char *reel_name)
2239 {
2240  uint64_t str_size =strlen(reel_name);
2241  int64_t pos = avio_tell(pb);
2242 
2243  if (str_size >= UINT16_MAX){
2244  av_log(NULL, AV_LOG_ERROR, "reel_name length %"PRIu64" is too large\n", str_size);
2245  avio_wb16(pb, 0);
2246  return AVERROR(EINVAL);
2247  }
2248 
2249  avio_wb32(pb, 0); /* size */
2250  ffio_wfourcc(pb, "name"); /* Data format */
2251  avio_wb16(pb, str_size); /* string size */
2252  avio_wb16(pb, track->language); /* langcode */
2253  avio_write(pb, reel_name, str_size); /* reel name */
2254  return update_size(pb,pos);
2255 }
2256 
2257 static int mov_write_tmcd_tag(AVIOContext *pb, MOVTrack *track)
2258 {
2259  int64_t pos = avio_tell(pb);
2260 #if 1
2261  int frame_duration;
2262  int nb_frames;
2263  AVDictionaryEntry *t = NULL;
2264 
2265  if (!track->st->avg_frame_rate.num || !track->st->avg_frame_rate.den) {
2266 #if FF_API_LAVF_AVCTX
2268  frame_duration = av_rescale(track->timescale, track->st->codec->time_base.num, track->st->codec->time_base.den);
2269  nb_frames = ROUNDED_DIV(track->st->codec->time_base.den, track->st->codec->time_base.num);
2271 #else
2272  av_log(NULL, AV_LOG_ERROR, "avg_frame_rate not set for tmcd track.\n");
2273  return AVERROR(EINVAL);
2274 #endif
2275  } else {
2276  frame_duration = av_rescale(track->timescale, track->st->avg_frame_rate.num, track->st->avg_frame_rate.den);
2277  nb_frames = ROUNDED_DIV(track->st->avg_frame_rate.den, track->st->avg_frame_rate.num);
2278  }
2279 
2280  if (nb_frames > 255) {
2281  av_log(NULL, AV_LOG_ERROR, "fps %d is too large\n", nb_frames);
2282  return AVERROR(EINVAL);
2283  }
2284 
2285  avio_wb32(pb, 0); /* size */
2286  ffio_wfourcc(pb, "tmcd"); /* Data format */
2287  avio_wb32(pb, 0); /* Reserved */
2288  avio_wb32(pb, 1); /* Data reference index */
2289  avio_wb32(pb, 0); /* Flags */
2290  avio_wb32(pb, track->timecode_flags); /* Flags (timecode) */
2291  avio_wb32(pb, track->timescale); /* Timescale */
2292  avio_wb32(pb, frame_duration); /* Frame duration */
2293  avio_w8(pb, nb_frames); /* Number of frames */
2294  avio_w8(pb, 0); /* Reserved */
2295 
2296  t = av_dict_get(track->st->metadata, "reel_name", NULL, 0);
2297  if (t && utf8len(t->value) && track->mode != MODE_MP4)
2298  mov_write_source_reference_tag(pb, track, t->value);
2299  else
2300  avio_wb16(pb, 0); /* zero size */
2301 #else
2302 
2303  avio_wb32(pb, 0); /* size */
2304  ffio_wfourcc(pb, "tmcd"); /* Data format */
2305  avio_wb32(pb, 0); /* Reserved */
2306  avio_wb32(pb, 1); /* Data reference index */
2307  if (track->par->extradata_size)
2308  avio_write(pb, track->par->extradata, track->par->extradata_size);
2309 #endif
2310  return update_size(pb, pos);
2311 }
2312 
2313 static int mov_write_gpmd_tag(AVIOContext *pb, const MOVTrack *track)
2314 {
2315  int64_t pos = avio_tell(pb);
2316  avio_wb32(pb, 0); /* size */
2317  ffio_wfourcc(pb, "gpmd");
2318  avio_wb32(pb, 0); /* Reserved */
2319  avio_wb16(pb, 0); /* Reserved */
2320  avio_wb16(pb, 1); /* Data-reference index */
2321  avio_wb32(pb, 0); /* Reserved */
2322  return update_size(pb, pos);
2323 }
2324 
2326 {
2327  int64_t pos = avio_tell(pb);
2328  int ret = 0;
2329  avio_wb32(pb, 0); /* size */
2330  ffio_wfourcc(pb, "stsd");
2331  avio_wb32(pb, 0); /* version & flags */
2332  avio_wb32(pb, 1); /* entry count */
2333  if (track->par->codec_type == AVMEDIA_TYPE_VIDEO)
2334  ret = mov_write_video_tag(s, pb, mov, track);
2335  else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
2336  ret = mov_write_audio_tag(s, pb, mov, track);
2337  else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE)
2338  ret = mov_write_subtitle_tag(pb, track);
2339  else if (track->par->codec_tag == MKTAG('r','t','p',' '))
2340  ret = mov_write_rtp_tag(pb, track);
2341  else if (track->par->codec_tag == MKTAG('t','m','c','d'))
2342  ret = mov_write_tmcd_tag(pb, track);
2343  else if (track->par->codec_tag == MKTAG('g','p','m','d'))
2344  ret = mov_write_gpmd_tag(pb, track);
2345 
2346  if (ret < 0)
2347  return ret;
2348 
2349  return update_size(pb, pos);
2350 }
2351 
2353 {
2354  MOVMuxContext *mov = s->priv_data;
2355  MOVStts *ctts_entries;
2356  uint32_t entries = 0;
2357  uint32_t atom_size;
2358  int i;
2359 
2360  ctts_entries = av_malloc_array((track->entry + 1), sizeof(*ctts_entries)); /* worst case */
2361  if (!ctts_entries)
2362  return AVERROR(ENOMEM);
2363  ctts_entries[0].count = 1;
2364  ctts_entries[0].duration = track->cluster[0].cts;
2365  for (i = 1; i < track->entry; i++) {
2366  if (track->cluster[i].cts == ctts_entries[entries].duration) {
2367  ctts_entries[entries].count++; /* compress */
2368  } else {
2369  entries++;
2370  ctts_entries[entries].duration = track->cluster[i].cts;
2371  ctts_entries[entries].count = 1;
2372  }
2373  }
2374  entries++; /* last one */
2375  atom_size = 16 + (entries * 8);
2376  avio_wb32(pb, atom_size); /* size */
2377  ffio_wfourcc(pb, "ctts");
2379  avio_w8(pb, 1); /* version */
2380  else
2381  avio_w8(pb, 0); /* version */
2382  avio_wb24(pb, 0); /* flags */
2383  avio_wb32(pb, entries); /* entry count */
2384  for (i = 0; i < entries; i++) {
2385  avio_wb32(pb, ctts_entries[i].count);
2386  avio_wb32(pb, ctts_entries[i].duration);
2387  }
2388  av_free(ctts_entries);
2389  return atom_size;
2390 }
2391 
2392 /* Time to sample atom */
2393 static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
2394 {
2395  MOVStts *stts_entries = NULL;
2396  uint32_t entries = -1;
2397  uint32_t atom_size;
2398  int i;
2399 
2400  if (track->par->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
2401  stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
2402  if (!stts_entries)
2403  return AVERROR(ENOMEM);
2404  stts_entries[0].count = track->sample_count;
2405  stts_entries[0].duration = 1;
2406  entries = 1;
2407  } else {
2408  if (track->entry) {
2409  stts_entries = av_malloc_array(track->entry, sizeof(*stts_entries)); /* worst case */
2410  if (!stts_entries)
2411  return AVERROR(ENOMEM);
2412  }
2413  for (i = 0; i < track->entry; i++) {
2414  int duration = get_cluster_duration(track, i);
2415  if (i && duration == stts_entries[entries].duration) {
2416  stts_entries[entries].count++; /* compress */
2417  } else {
2418  entries++;
2419  stts_entries[entries].duration = duration;
2420  stts_entries[entries].count = 1;
2421  }
2422  }
2423  entries++; /* last one */
2424  }
2425  atom_size = 16 + (entries * 8);
2426  avio_wb32(pb, atom_size); /* size */
2427  ffio_wfourcc(pb, "stts");
2428  avio_wb32(pb, 0); /* version & flags */
2429  avio_wb32(pb, entries); /* entry count */
2430  for (i = 0; i < entries; i++) {
2431  avio_wb32(pb, stts_entries[i].count);
2432  avio_wb32(pb, stts_entries[i].duration);
2433  }
2434  av_free(stts_entries);
2435  return atom_size;
2436 }
2437 
2439 {
2440  avio_wb32(pb, 28); /* size */
2441  ffio_wfourcc(pb, "dref");
2442  avio_wb32(pb, 0); /* version & flags */
2443  avio_wb32(pb, 1); /* entry count */
2444 
2445  avio_wb32(pb, 0xc); /* size */
2446  //FIXME add the alis and rsrc atom
2447  ffio_wfourcc(pb, "url ");
2448  avio_wb32(pb, 1); /* version & flags */
2449 
2450  return 28;
2451 }
2452 
2454 {
2455  struct sgpd_entry {
2456  int count;
2457  int16_t roll_distance;
2458  int group_description_index;
2459  };
2460 
2461  struct sgpd_entry *sgpd_entries = NULL;
2462  int entries = -1;
2463  int group = 0;
2464  int i, j;
2465 
2466  const int OPUS_SEEK_PREROLL_MS = 80;
2467  int roll_samples = av_rescale_q(OPUS_SEEK_PREROLL_MS,
2468  (AVRational){1, 1000},
2469  (AVRational){1, 48000});
2470 
2471  if (!track->entry)
2472  return 0;
2473 
2474  sgpd_entries = av_malloc_array(track->entry, sizeof(*sgpd_entries));
2475  if (!sgpd_entries)
2476  return AVERROR(ENOMEM);
2477 
2479 
2480  if (track->par->codec_id == AV_CODEC_ID_OPUS) {
2481  for (i = 0; i < track->entry; i++) {
2482  int roll_samples_remaining = roll_samples;
2483  int distance = 0;
2484  for (j = i - 1; j >= 0; j--) {
2485  roll_samples_remaining -= get_cluster_duration(track, j);
2486  distance++;
2487  if (roll_samples_remaining <= 0)
2488  break;
2489  }
2490  /* We don't have enough preceeding samples to compute a valid
2491  roll_distance here, so this sample can't be independently
2492  decoded. */
2493  if (roll_samples_remaining > 0)
2494  distance = 0;
2495  /* Verify distance is a maximum of 32 (2.5ms) packets. */
2496  if (distance > 32)
2497  return AVERROR_INVALIDDATA;
2498  if (i && distance == sgpd_entries[entries].roll_distance) {
2499  sgpd_entries[entries].count++;
2500  } else {
2501  entries++;
2502  sgpd_entries[entries].count = 1;
2503  sgpd_entries[entries].roll_distance = distance;
2504  sgpd_entries[entries].group_description_index = distance ? ++group : 0;
2505  }
2506  }
2507  } else {
2508  entries++;
2509  sgpd_entries[entries].count = track->sample_count;
2510  sgpd_entries[entries].roll_distance = 1;
2511  sgpd_entries[entries].group_description_index = ++group;
2512  }
2513  entries++;
2514 
2515  if (!group) {
2516  av_free(sgpd_entries);
2517  return 0;
2518  }
2519 
2520  /* Write sgpd tag */
2521  avio_wb32(pb, 24 + (group * 2)); /* size */
2522  ffio_wfourcc(pb, "sgpd");
2523  avio_wb32(pb, 1 << 24); /* fullbox */
2524  ffio_wfourcc(pb, "roll");
2525  avio_wb32(pb, 2); /* default_length */
2526  avio_wb32(pb, group); /* entry_count */
2527  for (i = 0; i < entries; i++) {
2528  if (sgpd_entries[i].group_description_index) {
2529  avio_wb16(pb, -sgpd_entries[i].roll_distance); /* roll_distance */
2530  }
2531  }
2532 
2533  /* Write sbgp tag */
2534  avio_wb32(pb, 20 + (entries * 8)); /* size */
2535  ffio_wfourcc(pb, "sbgp");
2536  avio_wb32(pb, 0); /* fullbox */
2537  ffio_wfourcc(pb, "roll");
2538  avio_wb32(pb, entries); /* entry_count */
2539  for (i = 0; i < entries; i++) {
2540  avio_wb32(pb, sgpd_entries[i].count); /* sample_count */
2541  avio_wb32(pb, sgpd_entries[i].group_description_index); /* group_description_index */
2542  }
2543 
2544  av_free(sgpd_entries);
2545  return 0;
2546 }
2547 
2549 {
2550  int64_t pos = avio_tell(pb);
2551  int ret = 0;
2552 
2553  avio_wb32(pb, 0); /* size */
2554  ffio_wfourcc(pb, "stbl");
2555  if ((ret = mov_write_stsd_tag(s, pb, mov, track)) < 0)
2556  return ret;
2557  mov_write_stts_tag(pb, track);
2558  if ((track->par->codec_type == AVMEDIA_TYPE_VIDEO ||
2559  track->par->codec_id == AV_CODEC_ID_TRUEHD ||
2561  track->par->codec_tag == MKTAG('r','t','p',' ')) &&
2562  track->has_keyframes && track->has_keyframes < track->entry)
2563  mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
2564  if (track->par->codec_type == AVMEDIA_TYPE_VIDEO && track->has_disposable)
2565  mov_write_sdtp_tag(pb, track);
2566  if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
2568  if (track->par->codec_type == AVMEDIA_TYPE_VIDEO &&
2569  track->flags & MOV_TRACK_CTTS && track->entry) {
2570 
2571  if ((ret = mov_write_ctts_tag(s, pb, track)) < 0)
2572  return ret;
2573  }
2574  mov_write_stsc_tag(pb, track);
2575  mov_write_stsz_tag(pb, track);
2576  mov_write_stco_tag(pb, track);
2577  if (track->cenc.aes_ctr) {
2578  ff_mov_cenc_write_stbl_atoms(&track->cenc, pb);
2579  }
2580  if (track->par->codec_id == AV_CODEC_ID_OPUS || track->par->codec_id == AV_CODEC_ID_AAC) {
2581  mov_preroll_write_stbl_atoms(pb, track);
2582  }
2583  return update_size(pb, pos);
2584 }
2585 
2587 {
2588  int64_t pos = avio_tell(pb);
2589  avio_wb32(pb, 0); /* size */
2590  ffio_wfourcc(pb, "dinf");
2591  mov_write_dref_tag(pb);
2592  return update_size(pb, pos);
2593 }
2594 
2596 {
2597  avio_wb32(pb, 12);
2598  ffio_wfourcc(pb, "nmhd");
2599  avio_wb32(pb, 0);
2600  return 12;
2601 }
2602 
2603 static int mov_write_tcmi_tag(AVIOContext *pb, MOVTrack *track)
2604 {
2605  int64_t pos = avio_tell(pb);
2606  const char *font = "Lucida Grande";
2607  avio_wb32(pb, 0); /* size */
2608  ffio_wfourcc(pb, "tcmi"); /* timecode media information atom */
2609  avio_wb32(pb, 0); /* version & flags */
2610  avio_wb16(pb, 0); /* text font */
2611  avio_wb16(pb, 0); /* text face */
2612  avio_wb16(pb, 12); /* text size */
2613  avio_wb16(pb, 0); /* (unknown, not in the QT specs...) */
2614  avio_wb16(pb, 0x0000); /* text color (red) */
2615  avio_wb16(pb, 0x0000); /* text color (green) */
2616  avio_wb16(pb, 0x0000); /* text color (blue) */
2617  avio_wb16(pb, 0xffff); /* background color (red) */
2618  avio_wb16(pb, 0xffff); /* background color (green) */
2619  avio_wb16(pb, 0xffff); /* background color (blue) */
2620  avio_w8(pb, strlen(font)); /* font len (part of the pascal string) */
2621  avio_write(pb, font, strlen(font)); /* font name */
2622  return update_size(pb, pos);
2623 }
2624 
2625 static int mov_write_gmhd_tag(AVIOContext *pb, MOVTrack *track)
2626 {
2627  int64_t pos = avio_tell(pb);
2628  avio_wb32(pb, 0); /* size */
2629  ffio_wfourcc(pb, "gmhd");
2630  avio_wb32(pb, 0x18); /* gmin size */
2631  ffio_wfourcc(pb, "gmin");/* generic media info */
2632  avio_wb32(pb, 0); /* version & flags */
2633  avio_wb16(pb, 0x40); /* graphics mode = */
2634  avio_wb16(pb, 0x8000); /* opColor (r?) */
2635  avio_wb16(pb, 0x8000); /* opColor (g?) */
2636  avio_wb16(pb, 0x8000); /* opColor (b?) */
2637  avio_wb16(pb, 0); /* balance */
2638  avio_wb16(pb, 0); /* reserved */
2639 
2640  /*
2641  * This special text atom is required for
2642  * Apple Quicktime chapters. The contents
2643  * don't appear to be documented, so the
2644  * bytes are copied verbatim.
2645  */
2646  if (track->tag != MKTAG('c','6','0','8')) {
2647  avio_wb32(pb, 0x2C); /* size */
2648  ffio_wfourcc(pb, "text");
2649  avio_wb16(pb, 0x01);
2650  avio_wb32(pb, 0x00);
2651  avio_wb32(pb, 0x00);
2652  avio_wb32(pb, 0x00);
2653  avio_wb32(pb, 0x01);
2654  avio_wb32(pb, 0x00);
2655  avio_wb32(pb, 0x00);
2656  avio_wb32(pb, 0x00);
2657  avio_wb32(pb, 0x00004000);
2658  avio_wb16(pb, 0x0000);
2659  }
2660 
2661  if (track->par->codec_tag == MKTAG('t','m','c','d')) {
2662  int64_t tmcd_pos = avio_tell(pb);
2663  avio_wb32(pb, 0); /* size */
2664  ffio_wfourcc(pb, "tmcd");
2665  mov_write_tcmi_tag(pb, track);
2666  update_size(pb, tmcd_pos);
2667  } else if (track->par->codec_tag == MKTAG('g','p','m','d')) {
2668  int64_t gpmd_pos = avio_tell(pb);
2669  avio_wb32(pb, 0); /* size */
2670  ffio_wfourcc(pb, "gpmd");
2671  avio_wb32(pb, 0); /* version */
2672  update_size(pb, gpmd_pos);
2673  }
2674  return update_size(pb, pos);
2675 }
2676 
2678 {
2679  avio_wb32(pb, 16); /* size */
2680  ffio_wfourcc(pb, "smhd");
2681  avio_wb32(pb, 0); /* version & flags */
2682  avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
2683  avio_wb16(pb, 0); /* reserved */
2684  return 16;
2685 }
2686 
2688 {
2689  avio_wb32(pb, 0x14); /* size (always 0x14) */
2690  ffio_wfourcc(pb, "vmhd");
2691  avio_wb32(pb, 0x01); /* version & flags */
2692  avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
2693  return 0x14;
2694 }
2695 
2696 static int is_clcp_track(MOVTrack *track)
2697 {
2698  return track->tag == MKTAG('c','7','0','8') ||
2699  track->tag == MKTAG('c','6','0','8');
2700 }
2701 
2703 {
2704  MOVMuxContext *mov = s->priv_data;
2705  const char *hdlr, *descr = NULL, *hdlr_type = NULL;
2706  int64_t pos = avio_tell(pb);
2707 
2708  hdlr = "dhlr";
2709  hdlr_type = "url ";
2710  descr = "DataHandler";
2711 
2712  if (track) {
2713  hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
2714  if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
2715  hdlr_type = "vide";
2716  descr = "VideoHandler";
2717  } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
2718  hdlr_type = "soun";
2719  descr = "SoundHandler";
2720  } else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE) {
2721  if (is_clcp_track(track)) {
2722  hdlr_type = "clcp";
2723  descr = "ClosedCaptionHandler";
2724  } else {
2725  if (track->tag == MKTAG('t','x','3','g')) {
2726  hdlr_type = "sbtl";
2727  } else if (track->tag == MKTAG('m','p','4','s')) {
2728  hdlr_type = "subp";
2729  } else {
2730  hdlr_type = "text";
2731  }
2732  descr = "SubtitleHandler";
2733  }
2734  } else if (track->par->codec_tag == MKTAG('r','t','p',' ')) {
2735  hdlr_type = "hint";
2736  descr = "HintHandler";
2737  } else if (track->par->codec_tag == MKTAG('t','m','c','d')) {
2738  hdlr_type = "tmcd";
2739  descr = "TimeCodeHandler";
2740  } else if (track->par->codec_tag == MKTAG('g','p','m','d')) {
2741  hdlr_type = "meta";
2742  descr = "GoPro MET"; // GoPro Metadata
2743  } else {
2745  "Unknown hldr_type for %s, writing dummy values\n",
2746  av_fourcc2str(track->par->codec_tag));
2747  }
2748  if (track->st) {
2749  // hdlr.name is used by some players to identify the content title
2750  // of the track. So if an alternate handler description is
2751  // specified, use it.
2752  AVDictionaryEntry *t;
2753  t = av_dict_get(track->st->metadata, "handler_name", NULL, 0);
2754  if (t && utf8len(t->value))
2755  descr = t->value;
2756  }
2757  }
2758 
2759  if (mov->empty_hdlr_name) /* expressly allowed by QTFF and not prohibited in ISO 14496-12 8.4.3.3 */
2760  descr = "";
2761 
2762  avio_wb32(pb, 0); /* size */
2763  ffio_wfourcc(pb, "hdlr");
2764  avio_wb32(pb, 0); /* Version & flags */
2765  avio_write(pb, hdlr, 4); /* handler */
2766  ffio_wfourcc(pb, hdlr_type); /* handler type */
2767  avio_wb32(pb, 0); /* reserved */
2768  avio_wb32(pb, 0); /* reserved */
2769  avio_wb32(pb, 0); /* reserved */
2770  if (!track || track->mode == MODE_MOV)
2771  avio_w8(pb, strlen(descr)); /* pascal string */
2772  avio_write(pb, descr, strlen(descr)); /* handler description */
2773  if (track && track->mode != MODE_MOV)
2774  avio_w8(pb, 0); /* c string */
2775  return update_size(pb, pos);
2776 }
2777 
2779 {
2780  /* This atom must be present, but leaving the values at zero
2781  * seems harmless. */
2782  avio_wb32(pb, 28); /* size */
2783  ffio_wfourcc(pb, "hmhd");
2784  avio_wb32(pb, 0); /* version, flags */
2785  avio_wb16(pb, 0); /* maxPDUsize */
2786  avio_wb16(pb, 0); /* avgPDUsize */
2787  avio_wb32(pb, 0); /* maxbitrate */
2788  avio_wb32(pb, 0); /* avgbitrate */
2789  avio_wb32(pb, 0); /* reserved */
2790  return 28;
2791 }
2792 
2794 {
2795  int64_t pos = avio_tell(pb);
2796  int ret;
2797 
2798  avio_wb32(pb, 0); /* size */
2799  ffio_wfourcc(pb, "minf");
2800  if (track->par->codec_type == AVMEDIA_TYPE_VIDEO)
2801  mov_write_vmhd_tag(pb);
2802  else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
2803  mov_write_smhd_tag(pb);
2804  else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE) {
2805  if (track->tag == MKTAG('t','e','x','t') || is_clcp_track(track)) {
2806  mov_write_gmhd_tag(pb, track);
2807  } else {
2808  mov_write_nmhd_tag(pb);
2809  }
2810  } else if (track->tag == MKTAG('r','t','p',' ')) {
2811  mov_write_hmhd_tag(pb);
2812  } else if (track->tag == MKTAG('t','m','c','d')) {
2813  if (track->mode != MODE_MOV)
2814  mov_write_nmhd_tag(pb);
2815  else
2816  mov_write_gmhd_tag(pb, track);
2817  } else if (track->tag == MKTAG('g','p','m','d')) {
2818  mov_write_gmhd_tag(pb, track);
2819  }
2820  if (track->mode == MODE_MOV) /* ISO 14496-12 8.4.3.1 specifies hdlr only within mdia or meta boxes */
2821  mov_write_hdlr_tag(s, pb, NULL);
2822  mov_write_dinf_tag(pb);
2823  if ((ret = mov_write_stbl_tag(s, pb, mov, track)) < 0)
2824  return ret;
2825  return update_size(pb, pos);
2826 }
2827 
2828 static int64_t calc_pts_duration(MOVMuxContext *mov, MOVTrack *track)
2829 {
2830  if (track->tag == MKTAG('t','m','c','d') && mov->nb_meta_tmcd) {
2831  // tmcd tracks gets track_duration set in mov_write_moov_tag from
2832  // another track's duration, while the end_pts may be left at zero.
2833  // Calculate the pts duration for that track instead.
2834  return av_rescale(calc_pts_duration(mov, &mov->tracks[track->src_track]),
2835  track->timescale, mov->tracks[track->src_track].timescale);
2836  }
2837  if (track->end_pts != AV_NOPTS_VALUE &&
2838  track->start_dts != AV_NOPTS_VALUE &&
2839  track->start_cts != AV_NOPTS_VALUE) {
2840  return track->end_pts - (track->start_dts + track->start_cts);
2841  }
2842  return track->track_duration;
2843 }
2844 
2846  MOVTrack *track)
2847 {
2848  int64_t duration = calc_pts_duration(mov, track);
2849  int version = duration < INT32_MAX ? 0 : 1;
2850 
2851  if (track->mode == MODE_ISM)
2852  version = 1;
2853 
2854  (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
2855  ffio_wfourcc(pb, "mdhd");
2856  avio_w8(pb, version);
2857  avio_wb24(pb, 0); /* flags */
2858  if (version == 1) {
2859  avio_wb64(pb, track->time);
2860  avio_wb64(pb, track->time);
2861  } else {
2862  avio_wb32(pb, track->time); /* creation time */
2863  avio_wb32(pb, track->time); /* modification time */
2864  }
2865  avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
2866  if (!track->entry && mov->mode == MODE_ISM)
2867  (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
2868  else if (!track->entry)
2869  (version == 1) ? avio_wb64(pb, 0) : avio_wb32(pb, 0);
2870  else
2871  (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration); /* duration */
2872  avio_wb16(pb, track->language); /* language */
2873  avio_wb16(pb, 0); /* reserved (quality) */
2874 
2875  if (version != 0 && track->mode == MODE_MOV) {
2877  "FATAL error, file duration too long for timebase, this file will not be\n"
2878  "playable with QuickTime. Choose a different timebase with "
2879  "-video_track_timescale or a different container format\n");
2880  }
2881 
2882  return 32;
2883 }
2884 
2886  MOVMuxContext *mov, MOVTrack *track)
2887 {
2888  int64_t pos = avio_tell(pb);
2889  int ret;
2890 
2891  avio_wb32(pb, 0); /* size */
2892  ffio_wfourcc(pb, "mdia");
2893  mov_write_mdhd_tag(pb, mov, track);
2894  mov_write_hdlr_tag(s, pb, track);
2895  if ((ret = mov_write_minf_tag(s, pb, mov, track)) < 0)
2896  return ret;
2897  return update_size(pb, pos);
2898 }
2899 
2900 /* transformation matrix
2901  |a b u|
2902  |c d v|
2903  |tx ty w| */
2904 static void write_matrix(AVIOContext *pb, int16_t a, int16_t b, int16_t c,
2905  int16_t d, int16_t tx, int16_t ty)
2906 {
2907  avio_wb32(pb, a << 16); /* 16.16 format */
2908  avio_wb32(pb, b << 16); /* 16.16 format */
2909  avio_wb32(pb, 0); /* u in 2.30 format */
2910  avio_wb32(pb, c << 16); /* 16.16 format */
2911  avio_wb32(pb, d << 16); /* 16.16 format */
2912  avio_wb32(pb, 0); /* v in 2.30 format */
2913  avio_wb32(pb, tx << 16); /* 16.16 format */
2914  avio_wb32(pb, ty << 16); /* 16.16 format */
2915  avio_wb32(pb, 1 << 30); /* w in 2.30 format */
2916 }
2917 
2919  MOVTrack *track, AVStream *st)
2920 {
2921  int64_t duration = av_rescale_rnd(calc_pts_duration(mov, track),
2922  MOV_TIMESCALE, track->timescale,
2923  AV_ROUND_UP);
2924  int version = duration < INT32_MAX ? 0 : 1;
2926  int rotation = 0;
2927  int group = 0;
2928 
2929  uint32_t *display_matrix = NULL;
2930  int display_matrix_size, i;
2931 
2932  if (st) {
2933  if (mov->per_stream_grouping)
2934  group = st->index;
2935  else
2936  group = st->codecpar->codec_type;
2937 
2938  display_matrix = (uint32_t*)av_stream_get_side_data(st, AV_PKT_DATA_DISPLAYMATRIX,
2939  &display_matrix_size);
2940  if (display_matrix && display_matrix_size < 9 * sizeof(*display_matrix))
2941  display_matrix = NULL;
2942  }
2943 
2944  if (track->flags & MOV_TRACK_ENABLED)
2945  flags |= MOV_TKHD_FLAG_ENABLED;
2946 
2947  if (track->mode == MODE_ISM)
2948  version = 1;
2949 
2950  (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
2951  ffio_wfourcc(pb, "tkhd");
2952  avio_w8(pb, version);
2953  avio_wb24(pb, flags);
2954  if (version == 1) {
2955  avio_wb64(pb, track->time);
2956  avio_wb64(pb, track->time);
2957  } else {
2958  avio_wb32(pb, track->time); /* creation time */
2959  avio_wb32(pb, track->time); /* modification time */
2960  }
2961  avio_wb32(pb, track->track_id); /* track-id */
2962  avio_wb32(pb, 0); /* reserved */
2963  if (!track->entry && mov->mode == MODE_ISM)
2964  (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
2965  else if (!track->entry)
2966  (version == 1) ? avio_wb64(pb, 0) : avio_wb32(pb, 0);
2967  else
2968  (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
2969 
2970  avio_wb32(pb, 0); /* reserved */
2971  avio_wb32(pb, 0); /* reserved */
2972  avio_wb16(pb, 0); /* layer */
2973  avio_wb16(pb, group); /* alternate group) */
2974  /* Volume, only for audio */
2975  if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
2976  avio_wb16(pb, 0x0100);
2977  else
2978  avio_wb16(pb, 0);
2979  avio_wb16(pb, 0); /* reserved */
2980 
2981  /* Matrix structure */
2982 #if FF_API_OLD_ROTATE_API
2983  if (st && st->metadata) {
2984  AVDictionaryEntry *rot = av_dict_get(st->metadata, "rotate", NULL, 0);
2985  rotation = (rot && rot->value) ? atoi(rot->value) : 0;
2986  }
2987 #endif
2988  if (display_matrix) {
2989  for (i = 0; i < 9; i++)
2990  avio_wb32(pb, display_matrix[i]);
2991 #if FF_API_OLD_ROTATE_API
2992  } else if (rotation == 90) {
2993  write_matrix(pb, 0, 1, -1, 0, track->par->height, 0);
2994  } else if (rotation == 180) {
2995  write_matrix(pb, -1, 0, 0, -1, track->par->width, track->par->height);
2996  } else if (rotation == 270) {
2997  write_matrix(pb, 0, -1, 1, 0, 0, track->par->width);
2998 #endif
2999  } else {
3000  write_matrix(pb, 1, 0, 0, 1, 0, 0);
3001  }
3002  /* Track width and height, for visual only */
3003  if (st && (track->par->codec_type == AVMEDIA_TYPE_VIDEO ||
3004  track->par->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
3005  int64_t track_width_1616;
3006  if (track->mode == MODE_MOV) {
3007  track_width_1616 = track->par->width * 0x10000ULL;
3008  } else {
3009  track_width_1616 = av_rescale(st->sample_aspect_ratio.num,
3010  track->par->width * 0x10000LL,
3011  st->sample_aspect_ratio.den);
3012  if (!track_width_1616 ||
3013  track->height != track->par->height ||
3014  track_width_1616 > UINT32_MAX)
3015  track_width_1616 = track->par->width * 0x10000ULL;
3016  }
3017  if (track_width_1616 > UINT32_MAX) {
3018  av_log(mov->fc, AV_LOG_WARNING, "track width is too large\n");
3019  track_width_1616 = 0;
3020  }
3021  avio_wb32(pb, track_width_1616);
3022  if (track->height > 0xFFFF) {
3023  av_log(mov->fc, AV_LOG_WARNING, "track height is too large\n");
3024  avio_wb32(pb, 0);
3025  } else
3026  avio_wb32(pb, track->height * 0x10000U);
3027  } else {
3028  avio_wb32(pb, 0);
3029  avio_wb32(pb, 0);
3030  }
3031  return 0x5c;
3032 }
3033 
3034 static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
3035 {
3037  track->par->sample_aspect_ratio.den);
3038 
3039  int64_t pos = avio_tell(pb);
3040 
3041  avio_wb32(pb, 0); /* size */
3042  ffio_wfourcc(pb, "tapt");
3043 
3044  avio_wb32(pb, 20);
3045  ffio_wfourcc(pb, "clef");
3046  avio_wb32(pb, 0);
3047  avio_wb32(pb, width << 16);
3048  avio_wb32(pb, track->par->height << 16);
3049 
3050  avio_wb32(pb, 20);
3051  ffio_wfourcc(pb, "prof");
3052  avio_wb32(pb, 0);
3053  avio_wb32(pb, width << 16);
3054  avio_wb32(pb, track->par->height << 16);
3055 
3056  avio_wb32(pb, 20);
3057  ffio_wfourcc(pb, "enof");
3058  avio_wb32(pb, 0);
3059  avio_wb32(pb, track->par->width << 16);
3060  avio_wb32(pb, track->par->height << 16);
3061 
3062  return update_size(pb, pos);
3063 }
3064 
3065 // This box seems important for the psp playback ... without it the movie seems to hang
3067  MOVTrack *track)
3068 {
3069  int64_t duration = av_rescale_rnd(calc_pts_duration(mov, track),
3070  MOV_TIMESCALE, track->timescale,
3071  AV_ROUND_UP);
3072  int version = duration < INT32_MAX ? 0 : 1;
3073  int entry_size, entry_count, size;
3074  int64_t delay, start_ct = track->start_cts;
3075  int64_t start_dts = track->start_dts;
3076 
3077  if (track->entry) {
3078  if (start_dts != track->cluster[0].dts || start_ct != track->cluster[0].cts) {
3079 
3080  av_log(mov->fc, AV_LOG_DEBUG,
3081  "EDTS using dts:%"PRId64" cts:%d instead of dts:%"PRId64" cts:%"PRId64" tid:%d\n",
3082  track->cluster[0].dts, track->cluster[0].cts,
3083  start_dts, start_ct, track->track_id);
3084  start_dts = track->cluster[0].dts;
3085  start_ct = track->cluster[0].cts;
3086  }
3087  }
3088 
3089  delay = av_rescale_rnd(start_dts + start_ct, MOV_TIMESCALE,
3090  track->timescale, AV_ROUND_DOWN);
3091  version |= delay < INT32_MAX ? 0 : 1;
3092 
3093  entry_size = (version == 1) ? 20 : 12;
3094  entry_count = 1 + (delay > 0);
3095  size = 24 + entry_count * entry_size;
3096 
3097  /* write the atom data */
3098  avio_wb32(pb, size);
3099  ffio_wfourcc(pb, "edts");
3100  avio_wb32(pb, size - 8);
3101  ffio_wfourcc(pb, "elst");
3102  avio_w8(pb, version);
3103  avio_wb24(pb, 0); /* flags */
3104 
3105  avio_wb32(pb, entry_count);
3106  if (delay > 0) { /* add an empty edit to delay presentation */
3107  /* In the positive delay case, the delay includes the cts
3108  * offset, and the second edit list entry below trims out
3109  * the same amount from the actual content. This makes sure
3110  * that the offset last sample is included in the edit
3111  * list duration as well. */
3112  if (version == 1) {
3113  avio_wb64(pb, delay);
3114  avio_wb64(pb, -1);
3115  } else {
3116  avio_wb32(pb, delay);
3117  avio_wb32(pb, -1);
3118  }
3119  avio_wb32(pb, 0x00010000);
3120  } else {
3121  /* Avoid accidentally ending up with start_ct = -1 which has got a
3122  * special meaning. Normally start_ct should end up positive or zero
3123  * here, but use FFMIN in case dts is a small positive integer
3124  * rounded to 0 when represented in MOV_TIMESCALE units. */
3125  av_assert0(av_rescale_rnd(start_dts, MOV_TIMESCALE, track->timescale, AV_ROUND_DOWN) <= 0);
3126  start_ct = -FFMIN(start_dts, 0);
3127  /* Note, this delay is calculated from the pts of the first sample,
3128  * ensuring that we don't reduce the duration for cases with
3129  * dts<0 pts=0. */
3130  duration += delay;
3131  }
3132 
3133  /* For fragmented files, we don't know the full length yet. Setting
3134  * duration to 0 allows us to only specify the offset, including
3135  * the rest of the content (from all future fragments) without specifying
3136  * an explicit duration. */
3137  if (mov->flags & FF_MOV_FLAG_FRAGMENT)
3138  duration = 0;
3139 
3140  /* duration */
3141  if (version == 1) {
3142  avio_wb64(pb, duration);
3143  avio_wb64(pb, start_ct);
3144  } else {
3145  avio_wb32(pb, duration);
3146  avio_wb32(pb, start_ct);
3147  }
3148  avio_wb32(pb, 0x00010000);
3149  return size;
3150 }
3151 
3152 static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
3153 {
3154  avio_wb32(pb, 20); // size
3155  ffio_wfourcc(pb, "tref");
3156  avio_wb32(pb, 12); // size (subatom)
3157  avio_wl32(pb, track->tref_tag);
3158  avio_wb32(pb, track->tref_id);
3159  return 20;
3160 }
3161 
3162 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
3164 {
3165  avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
3166  ffio_wfourcc(pb, "uuid");
3167  ffio_wfourcc(pb, "USMT");
3168  avio_wb32(pb, 0x21d24fce);
3169  avio_wb32(pb, 0xbb88695c);
3170  avio_wb32(pb, 0xfac9c740);
3171  avio_wb32(pb, 0x1c); // another size here!
3172  ffio_wfourcc(pb, "MTDT");
3173  avio_wb32(pb, 0x00010012);
3174  avio_wb32(pb, 0x0a);
3175  avio_wb32(pb, 0x55c40000);
3176  avio_wb32(pb, 0x1);
3177  avio_wb32(pb, 0x0);
3178  return 0x34;
3179 }
3180 
3181 static int mov_write_udta_sdp(AVIOContext *pb, MOVTrack *track)
3182 {
3183  AVFormatContext *ctx = track->rtp_ctx;
3184  char buf[1000] = "";
3185  int len;
3186 
3187  ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0], track->src_track,
3188  NULL, NULL, 0, 0, ctx);
3189  av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", track->track_id);
3190  len = strlen(buf);
3191 
3192  avio_wb32(pb, len + 24);
3193  ffio_wfourcc(pb, "udta");
3194  avio_wb32(pb, len + 16);
3195  ffio_wfourcc(pb, "hnti");
3196  avio_wb32(pb, len + 8);
3197  ffio_wfourcc(pb, "sdp ");
3198  avio_write(pb, buf, len);
3199  return len + 24;
3200 }
3201 
3203  const char *tag, const char *str)
3204 {
3205  int64_t pos = avio_tell(pb);
3206  AVDictionaryEntry *t = av_dict_get(st->metadata, str, NULL, 0);
3207  if (!t || !utf8len(t->value))
3208  return 0;
3209 
3210  avio_wb32(pb, 0); /* size */
3211  ffio_wfourcc(pb, tag); /* type */
3212  avio_write(pb, t->value, strlen(t->value)); /* UTF8 string value */
3213  return update_size(pb, pos);
3214 }
3215 
3217  AVStream *st)
3218 {
3219  AVIOContext *pb_buf;
3220  int ret, size;
3221  uint8_t *buf;
3222 
3223  if (!st)
3224  return 0;
3225 
3226  ret = avio_open_dyn_buf(&pb_buf);
3227  if (ret < 0)
3228  return ret;
3229 
3230  if (mov->mode & (MODE_MP4|MODE_MOV))
3231  mov_write_track_metadata(pb_buf, st, "name", "title");
3232 
3233  if ((size = avio_get_dyn_buf(pb_buf, &buf)) > 0) {
3234  avio_wb32(pb, size + 8);
3235  ffio_wfourcc(pb, "udta");
3236  avio_write(pb, buf, size);
3237  }
3238  ffio_free_dyn_buf(&pb_buf);
3239 
3240  return 0;
3241 }
3242 
3244  MOVTrack *track, AVStream *st)
3245 {
3246  int64_t pos = avio_tell(pb);
3247  int entry_backup = track->entry;
3248  int chunk_backup = track->chunkCount;
3249  int ret;
3250 
3251  /* If we want to have an empty moov, but some samples already have been
3252  * buffered (delay_moov), pretend that no samples have been written yet. */
3253  if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV)
3254  track->chunkCount = track->entry = 0;
3255 
3256  avio_wb32(pb, 0); /* size */
3257  ffio_wfourcc(pb, "trak");
3258  mov_write_tkhd_tag(pb, mov, track, st);
3259 
3260  av_assert2(mov->use_editlist >= 0);
3261 
3262  if (track->start_dts != AV_NOPTS_VALUE) {
3263  if (mov->use_editlist)
3264  mov_write_edts_tag(pb, mov, track); // PSP Movies and several other cases require edts box
3265  else if ((track->entry && track->cluster[0].dts) || track->mode == MODE_PSP || is_clcp_track(track))
3266  av_log(mov->fc, AV_LOG_WARNING,
3267  "Not writing any edit list even though one would have been required\n");
3268  }
3269 
3270  if (track->tref_tag)
3271  mov_write_tref_tag(pb, track);
3272 
3273  if ((ret = mov_write_mdia_tag(s, pb, mov, track)) < 0)
3274  return ret;
3275  if (track->mode == MODE_PSP)
3276  mov_write_uuid_tag_psp(pb, track); // PSP Movies require this uuid box
3277  if (track->tag == MKTAG('r','t','p',' '))
3278  mov_write_udta_sdp(pb, track);
3279  if (track->mode == MODE_MOV) {
3280  if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
3281  double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
3282  if (st->sample_aspect_ratio.num && 1.0 != sample_aspect_ratio) {
3283  mov_write_tapt_tag(pb, track);
3284  }
3285  }
3286  if (is_clcp_track(track) && st->sample_aspect_ratio.num) {
3287  mov_write_tapt_tag(pb, track);
3288  }
3289  }
3290  mov_write_track_udta_tag(pb, mov, st);
3291  track->entry = entry_backup;
3292  track->chunkCount = chunk_backup;
3293  return update_size(pb, pos);
3294 }
3295 
3297 {
3298  int i, has_audio = 0, has_video = 0;
3299  int64_t pos = avio_tell(pb);
3300  int audio_profile = mov->iods_audio_profile;
3301  int video_profile = mov->iods_video_profile;
3302  for (i = 0; i < mov->nb_streams; i++) {
3303  if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
3304  has_audio |= mov->tracks[i].par->codec_type == AVMEDIA_TYPE_AUDIO;
3305  has_video |= mov->tracks[i].par->codec_type == AVMEDIA_TYPE_VIDEO;
3306  }
3307  }
3308  if (audio_profile < 0)
3309  audio_profile = 0xFF - has_audio;
3310  if (video_profile < 0)
3311  video_profile = 0xFF - has_video;
3312  avio_wb32(pb, 0x0); /* size */
3313  ffio_wfourcc(pb, "iods");
3314  avio_wb32(pb, 0); /* version & flags */
3315  put_descr(pb, 0x10, 7);
3316  avio_wb16(pb, 0x004f);
3317  avio_w8(pb, 0xff);
3318  avio_w8(pb, 0xff);
3319  avio_w8(pb, audio_profile);
3320  avio_w8(pb, video_profile);
3321  avio_w8(pb, 0xff);
3322  return update_size(pb, pos);
3323 }
3324 
3325 static int mov_write_trex_tag(AVIOContext *pb, MOVTrack *track)
3326 {
3327  avio_wb32(pb, 0x20); /* size */
3328  ffio_wfourcc(pb, "trex");
3329  avio_wb32(pb, 0); /* version & flags */
3330  avio_wb32(pb, track->track_id); /* track ID */
3331  avio_wb32(pb, 1); /* default sample description index */
3332  avio_wb32(pb, 0); /* default sample duration */
3333  avio_wb32(pb, 0); /* default sample size */
3334  avio_wb32(pb, 0); /* default sample flags */
3335  return 0;
3336 }
3337 
3339 {
3340  int64_t pos = avio_tell(pb);
3341  int i;
3342  avio_wb32(pb, 0x0); /* size */
3343  ffio_wfourcc(pb, "mvex");
3344  for (i = 0; i < mov->nb_streams; i++)
3345  mov_write_trex_tag(pb, &mov->tracks[i]);
3346  return update_size(pb, pos);
3347 }
3348 
3350 {
3351  int max_track_id = 1, i;
3352  int64_t max_track_len = 0;
3353  int version;
3354 
3355  for (i = 0; i < mov->nb_streams; i++) {
3356  if (mov->tracks[i].entry > 0 && mov->tracks[i].timescale) {
3357  int64_t max_track_len_temp = av_rescale_rnd(
3358  calc_pts_duration(mov, &mov->tracks[i]),
3359  MOV_TIMESCALE,
3360  mov->tracks[i].timescale,
3361  AV_ROUND_UP);
3362  if (max_track_len < max_track_len_temp)
3363  max_track_len = max_track_len_temp;
3364  if (max_track_id < mov->tracks[i].track_id)
3365  max_track_id = mov->tracks[i].track_id;
3366  }
3367  }
3368  /* If using delay_moov, make sure the output is the same as if no
3369  * samples had been written yet. */
3370  if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
3371  max_track_len = 0;
3372  max_track_id = 1;
3373  }
3374 
3375  version = max_track_len < UINT32_MAX ? 0 : 1;
3376  avio_wb32(pb, version == 1 ? 120 : 108); /* size */
3377 
3378  ffio_wfourcc(pb, "mvhd");
3379  avio_w8(pb, version);
3380  avio_wb24(pb, 0); /* flags */
3381  if (version == 1) {
3382  avio_wb64(pb, mov->time);
3383  avio_wb64(pb, mov->time);
3384  } else {
3385  avio_wb32(pb, mov->time); /* creation time */
3386  avio_wb32(pb, mov->time); /* modification time */
3387  }
3388  avio_wb32(pb, MOV_TIMESCALE);
3389  (version == 1) ? avio_wb64(pb, max_track_len) : avio_wb32(pb, max_track_len); /* duration of longest track */
3390 
3391  avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
3392  avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
3393  avio_wb16(pb, 0); /* reserved */
3394  avio_wb32(pb, 0); /* reserved */
3395  avio_wb32(pb, 0); /* reserved */
3396 
3397  /* Matrix structure */
3398  write_matrix(pb, 1, 0, 0, 1, 0, 0);
3399 
3400  avio_wb32(pb, 0); /* reserved (preview time) */
3401  avio_wb32(pb, 0); /* reserved (preview duration) */
3402  avio_wb32(pb, 0); /* reserved (poster time) */
3403  avio_wb32(pb, 0); /* reserved (selection time) */
3404  avio_wb32(pb, 0); /* reserved (selection duration) */
3405  avio_wb32(pb, 0); /* reserved (current time) */
3406  avio_wb32(pb, max_track_id + 1); /* Next track id */
3407  return 0x6c;
3408 }
3409 
3411  AVFormatContext *s)
3412 {
3413  avio_wb32(pb, 33); /* size */
3414  ffio_wfourcc(pb, "hdlr");
3415  avio_wb32(pb, 0);
3416  avio_wb32(pb, 0);
3417  ffio_wfourcc(pb, "mdir");
3418  ffio_wfourcc(pb, "appl");
3419  avio_wb32(pb, 0);
3420  avio_wb32(pb, 0);
3421  avio_w8(pb, 0);
3422  return 33;
3423 }
3424 
3425 /* helper function to write a data tag with the specified string as data */
3426 static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
3427 {
3428  if (long_style) {
3429  int size = 16 + strlen(data);
3430  avio_wb32(pb, size); /* size */
3431  ffio_wfourcc(pb, "data");
3432  avio_wb32(pb, 1);
3433  avio_wb32(pb, 0);
3434  avio_write(pb, data, strlen(data));
3435  return size;
3436  } else {
3437  if (!lang)
3438  lang = ff_mov_iso639_to_lang("und", 1);
3439  avio_wb16(pb, strlen(data)); /* string length */
3440  avio_wb16(pb, lang);
3441  avio_write(pb, data, strlen(data));
3442  return strlen(data) + 4;
3443  }
3444 }
3445 
3446 static int mov_write_string_tag(AVIOContext *pb, const char *name,
3447  const char *value, int lang, int long_style)
3448 {
3449  int size = 0;
3450  if (value && value[0]) {
3451  int64_t pos = avio_tell(pb);
3452  avio_wb32(pb, 0); /* size */
3453  ffio_wfourcc(pb, name);
3454  mov_write_string_data_tag(pb, value, lang, long_style);
3455  size = update_size(pb, pos);
3456  }
3457  return size;
3458 }
3459 
3461  const char *tag, int *lang)
3462 {
3463  int l, len, len2;
3464  AVDictionaryEntry *t, *t2 = NULL;
3465  char tag2[16];
3466 
3467  *lang = 0;
3468 
3469  if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
3470  return NULL;
3471 
3472  len = strlen(t->key);
3473  snprintf(tag2, sizeof(tag2), "%s-", tag);
3474  while ((t2 = av_dict_get(s->metadata, tag2, t2, AV_DICT_IGNORE_SUFFIX))) {
3475  len2 = strlen(t2->key);
3476  if (len2 == len + 4 && !strcmp(t->value, t2->value)
3477  && (l = ff_mov_iso639_to_lang(&t2->key[len2 - 3], 1)) >= 0) {
3478  *lang = l;
3479  return t;
3480  }
3481  }
3482  return t;
3483 }
3484 
3486  const char *name, const char *tag,
3487  int long_style)
3488 {
3489  int lang;
3490  AVDictionaryEntry *t = get_metadata_lang(s, tag, &lang);
3491  if (!t)
3492  return 0;
3493  return mov_write_string_tag(pb, name, t->value, lang, long_style);
3494 }
3495 
3496 /* iTunes bpm number */
3498 {
3499  AVDictionaryEntry *t = av_dict_get(s->metadata, "tmpo", NULL, 0);
3500  int size = 0, tmpo = t ? atoi(t->value) : 0;
3501  if (tmpo) {
3502  size = 26;
3503  avio_wb32(pb, size);
3504  ffio_wfourcc(pb, "tmpo");
3505  avio_wb32(pb, size-8); /* size */
3506  ffio_wfourcc(pb, "data");
3507  avio_wb32(pb, 0x15); //type specifier
3508  avio_wb32(pb, 0);
3509  avio_wb16(pb, tmpo); // data
3510  }
3511  return size;
3512 }
3513 
3514 /* 3GPP TS 26.244 */
3516 {
3517  int lang;
3518  int64_t pos = avio_tell(pb);
3519  double latitude, longitude, altitude;
3520  int32_t latitude_fix, longitude_fix, altitude_fix;
3521  AVDictionaryEntry *t = get_metadata_lang(s, "location", &lang);
3522  const char *ptr, *place = "";
3523  char *end;
3524  static const char *astronomical_body = "earth";
3525  if (!t)
3526  return 0;
3527 
3528  ptr = t->value;
3529  longitude = strtod(ptr, &end);
3530  if (end == ptr) {
3531  av_log(s, AV_LOG_WARNING, "malformed location metadata\n");
3532  return 0;
3533  }
3534  ptr = end;
3535  latitude = strtod(ptr, &end);
3536  if (end == ptr) {
3537  av_log(s, AV_LOG_WARNING, "malformed location metadata\n");
3538  return 0;
3539  }
3540  ptr = end;
3541  altitude = strtod(ptr, &end);
3542  /* If no altitude was present, the default 0 should be fine */
3543  if (*end == '/')
3544  place = end + 1;
3545 
3546  latitude_fix = (int32_t) ((1 << 16) * latitude);
3547  longitude_fix = (int32_t) ((1 << 16) * longitude);
3548  altitude_fix = (int32_t) ((1 << 16) * altitude);
3549 
3550  avio_wb32(pb, 0); /* size */
3551  ffio_wfourcc(pb, "loci"); /* type */
3552  avio_wb32(pb, 0); /* version + flags */
3553  avio_wb16(pb, lang);
3554  avio_write(pb, place, strlen(place) + 1);
3555  avio_w8(pb, 0); /* role of place (0 == shooting location, 1 == real location, 2 == fictional location) */
3556  avio_wb32(pb, latitude_fix);
3557  avio_wb32(pb, longitude_fix);
3558  avio_wb32(pb, altitude_fix);
3559  avio_write(pb, astronomical_body, strlen(astronomical_body) + 1);
3560  avio_w8(pb, 0); /* additional notes, null terminated string */
3561 
3562  return update_size(pb, pos);
3563 }
3564 
3565 /* iTunes track or disc number */
3567  AVFormatContext *s, int disc)
3568 {
3570  disc ? "disc" : "track",
3571  NULL, 0);
3572  int size = 0, track = t ? atoi(t->value) : 0;
3573  if (track) {
3574  int tracks = 0;
3575  char *slash = strchr(t->value, '/');
3576  if (slash)
3577  tracks = atoi(slash + 1);
3578  avio_wb32(pb, 32); /* size */
3579  ffio_wfourcc(pb, disc ? "disk" : "trkn");
3580  avio_wb32(pb, 24); /* size */
3581  ffio_wfourcc(pb, "data");
3582  avio_wb32(pb, 0); // 8 bytes empty
3583  avio_wb32(pb, 0);
3584  avio_wb16(pb, 0); // empty
3585  avio_wb16(pb, track); // track / disc number
3586  avio_wb16(pb, tracks); // total track / disc number
3587  avio_wb16(pb, 0); // empty
3588  size = 32;
3589  }
3590  return size;
3591 }
3592 
3594  const char *name, const char *tag,
3595  int len)
3596 {
3597  AVDictionaryEntry *t = NULL;
3598  uint8_t num;
3599  int size = 24 + len;
3600 
3601  if (len != 1 && len != 4)
3602  return -1;
3603 
3604  if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
3605  return 0;
3606  num = atoi(t->value);
3607 
3608  avio_wb32(pb, size);
3609  ffio_wfourcc(pb, name);
3610  avio_wb32(pb, size - 8);
3611  ffio_wfourcc(pb, "data");
3612  avio_wb32(pb, 0x15);
3613  avio_wb32(pb, 0);
3614  if (len==4) avio_wb32(pb, num);
3615  else avio_w8 (pb, num);
3616 
3617  return size;
3618 }
3619 
3621 {
3622  MOVMuxContext *mov = s->priv_data;
3623  int64_t pos = 0;
3624  int i;
3625 
3626  for (i = 0; i < s->nb_streams; i++) {
3627  MOVTrack *trk = &mov->tracks[i];
3628 
3629  if (!is_cover_image(trk->st) || trk->cover_image.size <= 0)
3630  continue;
3631 
3632  if (!pos) {
3633  pos = avio_tell(pb);
3634  avio_wb32(pb, 0);
3635  ffio_wfourcc(pb, "covr");
3636  }
3637  avio_wb32(pb, 16 + trk->cover_image.size);
3638  ffio_wfourcc(pb, "data");
3639  avio_wb32(pb, trk->tag);
3640  avio_wb32(pb , 0);
3641  avio_write(pb, trk->cover_image.data, trk->cover_image.size);
3642  }
3643 
3644  return pos ? update_size(pb, pos) : 0;
3645 }
3646 
3647 /* iTunes meta data list */
3649  AVFormatContext *s)
3650 {
3651  int64_t pos = avio_tell(pb);
3652  avio_wb32(pb, 0); /* size */
3653  ffio_wfourcc(pb, "ilst");
3654  mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
3655  mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
3656  mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
3657  mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
3658  mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
3659  mov_write_string_metadata(s, pb, "\251day", "date" , 1);
3660  if (!mov_write_string_metadata(s, pb, "\251too", "encoding_tool", 1)) {
3661  if (!(s->flags & AVFMT_FLAG_BITEXACT))
3662  mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
3663  }
3664  mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
3665  mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
3666  mov_write_string_metadata(s, pb, "cprt", "copyright", 1);
3667  mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
3668  mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
3669  mov_write_string_metadata(s, pb, "desc", "description",1);
3670  mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
3671  mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
3672  mov_write_string_metadata(s, pb, "tven", "episode_id",1);
3673  mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
3674  mov_write_string_metadata(s, pb, "keyw", "keywords" , 1);
3675  mov_write_int8_metadata (s, pb, "tves", "episode_sort",4);
3676  mov_write_int8_metadata (s, pb, "tvsn", "season_number",4);
3677  mov_write_int8_metadata (s, pb, "stik", "media_type",1);
3678  mov_write_int8_metadata (s, pb, "hdvd", "hd_video", 1);
3679  mov_write_int8_metadata (s, pb, "pgap", "gapless_playback",1);
3680  mov_write_int8_metadata (s, pb, "cpil", "compilation", 1);
3681  mov_write_covr(pb, s);
3682  mov_write_trkn_tag(pb, mov, s, 0); // track number
3683  mov_write_trkn_tag(pb, mov, s, 1); // disc number
3684  mov_write_tmpo_tag(pb, s);
3685  return update_size(pb, pos);
3686 }
3687 
3689  AVFormatContext *s)
3690 {
3691  avio_wb32(pb, 33); /* size */
3692  ffio_wfourcc(pb, "hdlr");
3693  avio_wb32(pb, 0);
3694  avio_wb32(pb, 0);
3695  ffio_wfourcc(pb, "mdta");
3696  avio_wb32(pb, 0);
3697  avio_wb32(pb, 0);
3698  avio_wb32(pb, 0);
3699  avio_w8(pb, 0);
3700  return 33;
3701 }
3702 
3704  AVFormatContext *s)
3705 {
3706  AVDictionaryEntry *t = NULL;
3707  int64_t pos = avio_tell(pb);
3708  int64_t curpos, entry_pos;
3709  int count = 0;
3710 
3711  avio_wb32(pb, 0); /* size */
3712  ffio_wfourcc(pb, "keys");
3713  avio_wb32(pb, 0);
3714  entry_pos = avio_tell(pb);
3715  avio_wb32(pb, 0); /* entry count */
3716 
3717  while (t = av_dict_get(s->metadata, "", t, AV_DICT_IGNORE_SUFFIX)) {
3718  avio_wb32(pb, strlen(t->key) + 8);
3719  ffio_wfourcc(pb, "mdta");
3720  avio_write(pb, t->key, strlen(t->key));
3721  count += 1;
3722  }
3723  curpos = avio_tell(pb);
3724  avio_seek(pb, entry_pos, SEEK_SET);
3725  avio_wb32(pb, count); // rewrite entry count
3726  avio_seek(pb, curpos, SEEK_SET);
3727 
3728  return update_size(pb, pos);
3729 }
3730 
3732  AVFormatContext *s)
3733 {
3734  AVDictionaryEntry *t = NULL;
3735  int64_t pos = avio_tell(pb);
3736  int count = 1; /* keys are 1-index based */
3737 
3738  avio_wb32(pb, 0); /* size */
3739  ffio_wfourcc(pb, "ilst");
3740 
3741  while (t = av_dict_get(s->metadata, "", t, AV_DICT_IGNORE_SUFFIX)) {
3742  int64_t entry_pos = avio_tell(pb);
3743  avio_wb32(pb, 0); /* size */
3744  avio_wb32(pb, count); /* key */
3745  mov_write_string_data_tag(pb, t->value, 0, 1);
3746  update_size(pb, entry_pos);
3747  count += 1;
3748  }
3749  return update_size(pb, pos);
3750 }
3751 
3752 /* meta data tags */
3754  AVFormatContext *s)
3755 {
3756  int size = 0;
3757  int64_t pos = avio_tell(pb);
3758  avio_wb32(pb, 0); /* size */
3759  ffio_wfourcc(pb, "meta");
3760  avio_wb32(pb, 0);
3761  if (mov->flags & FF_MOV_FLAG_USE_MDTA) {
3762  mov_write_mdta_hdlr_tag(pb, mov, s);
3763  mov_write_mdta_keys_tag(pb, mov, s);
3764  mov_write_mdta_ilst_tag(pb, mov, s);
3765  }
3766  else {
3767  /* iTunes metadata tag */
3768  mov_write_itunes_hdlr_tag(pb, mov, s);
3769  mov_write_ilst_tag(pb, mov, s);
3770  }
3771  size = update_size(pb, pos);
3772  return size;
3773 }
3774 
3776  const char *name, const char *key)
3777 {
3778  int len;
3779  AVDictionaryEntry *t;
3780 
3781  if (!(t = av_dict_get(s->metadata, key, NULL, 0)))
3782  return 0;
3783 
3784  len = strlen(t->value);
3785  if (len > 0) {
3786  int size = len + 8;
3787  avio_wb32(pb, size);
3788  ffio_wfourcc(pb, name);
3789  avio_write(pb, t->value, len);
3790  return size;
3791  }
3792  return 0;
3793 }
3794 
3795 static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
3796 {
3797  int val;
3798  while (*b) {
3799  GET_UTF8(val, *b++, return -1;)
3800  avio_wb16(pb, val);
3801  }
3802  avio_wb16(pb, 0x00);
3803  return 0;
3804 }
3805 
3806 static uint16_t language_code(const char *str)
3807 {
3808  return (((str[0] - 0x60) & 0x1F) << 10) +
3809  (((str[1] - 0x60) & 0x1F) << 5) +
3810  (( str[2] - 0x60) & 0x1F);
3811 }
3812 
3814  const char *tag, const char *str)
3815 {
3816  int64_t pos = avio_tell(pb);
3817  AVDictionaryEntry *t = av_dict_get(s->metadata, str, NULL, 0);
3818  if (!t || !utf8len(t->value))
3819  return 0;
3820  avio_wb32(pb, 0); /* size */
3821  ffio_wfourcc(pb, tag); /* type */
3822  avio_wb32(pb, 0); /* version + flags */
3823  if (!strcmp(tag, "yrrc"))
3824  avio_wb16(pb, atoi(t->value));
3825  else {
3826  avio_wb16(pb, language_code("eng")); /* language */
3827  avio_write(pb, t->value, strlen(t->value) + 1); /* UTF8 string value */
3828  if (!strcmp(tag, "albm") &&
3829  (t = av_dict_get(s->metadata, "track", NULL, 0)))
3830  avio_w8(pb, atoi(t->value));
3831  }
3832  return update_size(pb, pos);
3833 }
3834 
3836 {
3837  int64_t pos = avio_tell(pb);
3838  int i, nb_chapters = FFMIN(s->nb_chapters, 255);
3839 
3840  avio_wb32(pb, 0); // size
3841  ffio_wfourcc(pb, "chpl");
3842  avio_wb32(pb, 0x01000000); // version + flags
3843  avio_wb32(pb, 0); // unknown
3844  avio_w8(pb, nb_chapters);
3845 
3846  for (i = 0; i < nb_chapters; i++) {
3847  AVChapter *c = s->chapters[i];
3848  AVDictionaryEntry *t;
3849  avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
3850 
3851  if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
3852  int len = FFMIN(strlen(t->value), 255);
3853  avio_w8(pb, len);
3854  avio_write(pb, t->value, len);
3855  } else
3856  avio_w8(pb, 0);
3857  }
3858  return update_size(pb, pos);
3859 }
3860 
3862  AVFormatContext *s)
3863 {
3864  AVIOContext *pb_buf;
3865  int ret, size;
3866  uint8_t *buf;
3867 
3868  ret = avio_open_dyn_buf(&pb_buf);
3869  if (ret < 0)
3870  return ret;
3871 
3872  if (mov->mode & MODE_3GP) {
3873  mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
3874  mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
3875  mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
3876  mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
3877  mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
3878  mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
3879  mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
3880  mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
3881  mov_write_loci_tag(s, pb_buf);
3882  } else if (mov->mode == MODE_MOV && !(mov->flags & FF_MOV_FLAG_USE_MDTA)) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
3883  mov_write_string_metadata(s, pb_buf, "\251ART", "artist", 0);
3884  mov_write_string_metadata(s, pb_buf, "\251nam", "title", 0);
3885  mov_write_string_metadata(s, pb_buf, "\251aut", "author", 0);
3886  mov_write_string_metadata(s, pb_buf, "\251alb", "album", 0);
3887  mov_write_string_metadata(s, pb_buf, "\251day", "date", 0);
3888  mov_write_string_metadata(s, pb_buf, "\251swr", "encoder", 0);
3889  // currently ignored by mov.c
3890  mov_write_string_metadata(s, pb_buf, "\251des", "comment", 0);
3891  // add support for libquicktime, this atom is also actually read by mov.c
3892  mov_write_string_metadata(s, pb_buf, "\251cmt", "comment", 0);
3893  mov_write_string_metadata(s, pb_buf, "\251gen", "genre", 0);
3894  mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright", 0);
3895  mov_write_string_metadata(s, pb_buf, "\251mak", "make", 0);
3896  mov_write_string_metadata(s, pb_buf, "\251mod", "model", 0);
3897  mov_write_string_metadata(s, pb_buf, "\251xyz", "location", 0);
3898  mov_write_string_metadata(s, pb_buf, "\251key", "keywords", 0);
3899  mov_write_raw_metadata_tag(s, pb_buf, "XMP_", "xmp");
3900  } else {
3901  /* iTunes meta data */
3902  mov_write_meta_tag(pb_buf, mov, s);
3903  mov_write_loci_tag(s, pb_buf);
3904  }
3905 
3906  if (s->nb_chapters && !(mov->flags & FF_MOV_FLAG_DISABLE_CHPL))
3907  mov_write_chpl_tag(pb_buf, s);
3908 
3909  if ((size = avio_get_dyn_buf(pb_buf, &buf)) > 0) {
3910  avio_wb32(pb, size + 8);
3911  ffio_wfourcc(pb, "udta");
3912  avio_write(pb, buf, size);
3913  }
3914  ffio_free_dyn_buf(&pb_buf);
3915 
3916  return 0;
3917 }
3918 
3920  const char *str, const char *lang, int type)
3921 {
3922  int len = utf8len(str) + 1;
3923  if (len <= 0)
3924  return;
3925  avio_wb16(pb, len * 2 + 10); /* size */
3926  avio_wb32(pb, type); /* type */
3927  avio_wb16(pb, language_code(lang)); /* language */
3928  avio_wb16(pb, 0x01); /* ? */
3929  ascii_to_wc(pb, str);
3930 }
3931 
3933 {
3934  AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0);
3935  int64_t pos, pos2;
3936 
3937  if (title) {
3938  pos = avio_tell(pb);
3939  avio_wb32(pb, 0); /* size placeholder*/
3940  ffio_wfourcc(pb, "uuid");
3941  ffio_wfourcc(pb, "USMT");
3942  avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
3943  avio_wb32(pb, 0xbb88695c);
3944  avio_wb32(pb, 0xfac9c740);
3945 
3946  pos2 = avio_tell(pb);
3947  avio_wb32(pb, 0); /* size placeholder*/
3948  ffio_wfourcc(pb, "MTDT");
3949  avio_wb16(pb, 4);
3950 
3951  // ?
3952  avio_wb16(pb, 0x0C); /* size */
3953  avio_wb32(pb, 0x0B); /* type */
3954  avio_wb16(pb, language_code("und")); /* language */
3955  avio_wb16(pb, 0x0); /* ? */
3956  avio_wb16(pb, 0x021C); /* data */
3957 
3958  if (!(s->flags & AVFMT_FLAG_BITEXACT))
3959  mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
3960  mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
3961  mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
3962 
3963  update_size(pb, pos2);
3964  return update_size(pb, pos);
3965  }
3966 
3967  return 0;
3968 }
3969 
3970 static void build_chunks(MOVTrack *trk)
3971 {
3972  int i;
3973  MOVIentry *chunk = &trk->cluster[0];
3974  uint64_t chunkSize = chunk->size;
3975  chunk->chunkNum = 1;
3976  if (trk->chunkCount)
3977  return;
3978  trk->chunkCount = 1;
3979  for (i = 1; i<trk->entry; i++){
3980  if (chunk->pos + chunkSize == trk->cluster[i].pos &&
3981  chunkSize + trk->cluster[i].size < (1<<20)){
3982  chunkSize += trk->cluster[i].size;
3983  chunk->samples_in_chunk += trk->cluster[i].entries;
3984  } else {
3985  trk->cluster[i].chunkNum = chunk->chunkNum+1;
3986  chunk=&trk->cluster[i];
3987  chunkSize = chunk->size;
3988  trk->chunkCount++;
3989  }
3990  }
3991 }
3992 
3993 /**
3994  * Assign track ids. If option "use_stream_ids_as_track_ids" is set,
3995  * the stream ids are used as track ids.
3996  *
3997  * This assumes mov->tracks and s->streams are in the same order and
3998  * there are no gaps in either of them (so mov->tracks[n] refers to
3999  * s->streams[n]).
4000  *
4001  * As an exception, there can be more entries in
4002  * s->streams than in mov->tracks, in which case new track ids are
4003  * generated (starting after the largest found stream id).
4004  */
4006 {
4007  int i;
4008 
4009  if (mov->track_ids_ok)
4010  return 0;
4011 
4012  if (mov->use_stream_ids_as_track_ids) {
4013  int next_generated_track_id = 0;
4014  for (i = 0; i < s->nb_streams; i++) {
4015  if (s->streams[i]->id > next_generated_track_id)
4016  next_generated_track_id = s->streams[i]->id;
4017  }
4018 
4019  for (i = 0; i < mov->nb_streams; i++) {
4020  if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
4021  continue;
4022 
4023  mov->tracks[i].track_id = i >= s->nb_streams ? ++next_generated_track_id : s->streams[i]->id;
4024  }
4025  } else {
4026  for (i = 0; i < mov->nb_streams; i++) {
4027  if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
4028  continue;
4029 
4030  mov->tracks[i].track_id = i + 1;
4031  }
4032  }
4033 
4034  mov->track_ids_ok = 1;
4035 
4036  return 0;
4037 }
4038 
4040  AVFormatContext *s)
4041 {
4042  int i;
4043  int64_t pos = avio_tell(pb);
4044  avio_wb32(pb, 0); /* size placeholder*/
4045  ffio_wfourcc(pb, "moov");
4046 
4047  mov_setup_track_ids(mov, s);
4048 
4049  for (i = 0; i < mov->nb_streams; i++) {
4050  if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
4051  continue;
4052 
4053  mov->tracks[i].time = mov->time;
4054 
4055  if (mov->tracks[i].entry)
4056  build_chunks(&mov->tracks[i]);
4057  }
4058 
4059  if (mov->chapter_track)
4060  for (i = 0; i < s->nb_streams; i++) {
4061  mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
4062  mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].track_id;
4063  }
4064  for (i = 0; i < mov->nb_streams; i++) {
4065  MOVTrack *track = &mov->tracks[i];
4066  if (track->tag == MKTAG('r','t','p',' ')) {
4067  track->tref_tag = MKTAG('h','i','n','t');
4068  track->tref_id = mov->tracks[track->src_track].track_id;
4069  } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
4070  int * fallback, size;
4071  fallback = (int*)av_stream_get_side_data(track->st,
4073  &size);
4074  if (fallback != NULL && size == sizeof(int)) {
4075  if (*fallback >= 0 && *fallback < mov->nb_streams) {
4076  track->tref_tag = MKTAG('f','a','l','l');
4077  track->tref_id = mov->tracks[*fallback].track_id;
4078  }
4079  }
4080  }
4081  }
4082  for (i = 0; i < mov->nb_streams; i++) {
4083  if (mov->tracks[i].tag == MKTAG('t','m','c','d')) {
4084  int src_trk = mov->tracks[i].src_track;
4085  mov->tracks[src_trk].tref_tag = mov->tracks[i].tag;
4086  mov->tracks[src_trk].tref_id = mov->tracks[i].track_id;
4087  //src_trk may have a different timescale than the tmcd track
4088  mov->tracks[i].track_duration = av_rescale(mov->tracks[src_trk].track_duration,
4089  mov->tracks[i].timescale,
4090  mov->tracks[src_trk].timescale);
4091  }
4092  }
4093 
4094  mov_write_mvhd_tag(pb, mov);
4095  if (mov->mode != MODE_MOV && !mov->iods_skip)
4096  mov_write_iods_tag(pb, mov);
4097  for (i = 0; i < mov->nb_streams; i++) {
4098  if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_FRAGMENT) {
4099  int ret = mov_write_trak_tag(s, pb, mov, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
4100  if (ret < 0)
4101  return ret;
4102  }
4103  }
4104  if (mov->flags & FF_MOV_FLAG_FRAGMENT)
4105  mov_write_mvex_tag(pb, mov); /* QuickTime requires trak to precede this */
4106 
4107  if (mov->mode == MODE_PSP)
4108  mov_write_uuidusmt_tag(pb, s);
4109  else
4110  mov_write_udta_tag(pb, mov, s);
4111 
4112  return update_size(pb, pos);
4113 }
4114 
4115 static void param_write_int(AVIOContext *pb, const char *name, int value)
4116 {
4117  avio_printf(pb, "<param name=\"%s\" value=\"%d\" valuetype=\"data\"/>\n", name, value);
4118 }
4119 
4120 static void param_write_string(AVIOContext *pb, const char *name, const char *value)
4121 {
4122  avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, value);
4123 }
4124 
4125 static void param_write_hex(AVIOContext *pb, const char *name, const uint8_t *value, int len)
4126 {
4127  char buf[150];
4128  len = FFMIN(sizeof(buf) / 2 - 1, len);
4129  ff_data_to_hex(buf, value, len, 0);
4130  buf[2 * len] = '\0';
4131  avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, buf);
4132 }
4133 
4135 {
4136  int64_t pos = avio_tell(pb);
4137  int i;
4138  int64_t manifest_bit_rate = 0;
4139  AVCPBProperties *props = NULL;
4140 
4141  static const uint8_t uuid[] = {
4142  0xa5, 0xd4, 0x0b, 0x30, 0xe8, 0x14, 0x11, 0xdd,
4143  0xba, 0x2f, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66
4144  };
4145 
4146  avio_wb32(pb, 0);
4147  ffio_wfourcc(pb, "uuid");
4148  avio_write(pb, uuid, sizeof(uuid));
4149  avio_wb32(pb, 0);
4150 
4151  avio_printf(pb, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
4152  avio_printf(pb, "<smil xmlns=\"http://www.w3.org/2001/SMIL20/Language\">\n");
4153  avio_printf(pb, "<head>\n");
4154  if (!(mov->fc->flags & AVFMT_FLAG_BITEXACT))
4155  avio_printf(pb, "<meta name=\"creator\" content=\"%s\" />\n",
4157  avio_printf(pb, "</head>\n");
4158  avio_printf(pb, "<body>\n");
4159  avio_printf(pb, "<switch>\n");
4160 
4161  mov_setup_track_ids(mov, s);
4162 
4163  for (i = 0; i < mov->nb_streams; i++) {
4164  MOVTrack *track = &mov->tracks[i];
4165  const char *type;
4166  int track_id = track->track_id;
4167  char track_name_buf[32] = { 0 };
4168 
4169  AVStream *st = track->st;
4170  AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
4171 
4172  if (track->par->codec_type == AVMEDIA_TYPE_VIDEO && !is_cover_image(st)) {
4173  type = "video";
4174  } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
4175  type = "audio";
4176  } else {
4177  continue;
4178  }
4179 
4181 
4182  if (track->par->bit_rate) {
4183  manifest_bit_rate = track->par->bit_rate;
4184  } else if (props) {
4185  manifest_bit_rate = props->max_bitrate;
4186  }
4187 
4188  avio_printf(pb, "<%s systemBitrate=\"%"PRId64"\">\n", type,
4189  manifest_bit_rate);
4190  param_write_int(pb, "systemBitrate", manifest_bit_rate);
4191  param_write_int(pb, "trackID", track_id);
4192  param_write_string(pb, "systemLanguage", lang ? lang->value : "und");
4193 
4194  /* Build track name piece by piece: */
4195  /* 1. track type */
4196  av_strlcat(track_name_buf, type, sizeof(track_name_buf));
4197  /* 2. track language, if available */
4198  if (lang)
4199  av_strlcatf(track_name_buf, sizeof(track_name_buf),
4200  "_%s", lang->value);
4201  /* 3. special type suffix */
4202  /* "_cc" = closed captions, "_ad" = audio_description */
4204  av_strlcat(track_name_buf, "_cc", sizeof(track_name_buf));
4206  av_strlcat(track_name_buf, "_ad", sizeof(track_name_buf));
4207 
4208  param_write_string(pb, "trackName", track_name_buf);
4209 
4210  if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
4211  if (track->par->codec_id == AV_CODEC_ID_H264) {
4212  uint8_t *ptr;
4213  int size = track->par->extradata_size;
4214  if (!ff_avc_write_annexb_extradata(track->par->extradata, &ptr,
4215  &size)) {
4216  param_write_hex(pb, "CodecPrivateData",
4217  ptr ? ptr : track->par->extradata,
4218  size);
4219  av_free(ptr);
4220  }
4221  param_write_string(pb, "FourCC", "H264");
4222  } else if (track->par->codec_id == AV_CODEC_ID_VC1) {
4223  param_write_string(pb, "FourCC", "WVC1");
4224  param_write_hex(pb, "CodecPrivateData", track->par->extradata,
4225  track->par->extradata_size);
4226  }
4227  param_write_int(pb, "MaxWidth", track->par->width);
4228  param_write_int(pb, "MaxHeight", track->par->height);
4229  param_write_int(pb, "DisplayWidth", track->par->width);
4230  param_write_int(pb, "DisplayHeight", track->par->height);
4231  } else {
4232  if (track->par->codec_id == AV_CODEC_ID_AAC) {
4233  switch (track->par->profile)
4234  {
4235  case FF_PROFILE_AAC_HE_V2:
4236  param_write_string(pb, "FourCC", "AACP");
4237  break;
4238  case FF_PROFILE_AAC_HE:
4239  param_write_string(pb, "FourCC", "AACH");
4240  break;
4241  default:
4242  param_write_string(pb, "FourCC", "AACL");
4243  }
4244  } else if (track->par->codec_id == AV_CODEC_ID_WMAPRO) {
4245  param_write_string(pb, "FourCC", "WMAP");
4246  }
4247  param_write_hex(pb, "CodecPrivateData", track->par->extradata,
4248  track->par->extradata_size);
4250  track->par->codec_id));
4251  param_write_int(pb, "Channels", track->par->channels);
4252  param_write_int(pb, "SamplingRate", track->par->sample_rate);
4253  param_write_int(pb, "BitsPerSample", 16);
4254  param_write_int(pb, "PacketSize", track->par->block_align ?
4255  track->par->block_align : 4);
4256  }
4257  avio_printf(pb, "</%s>\n", type);
4258  }
4259  avio_printf(pb, "</switch>\n");
4260  avio_printf(pb, "</body>\n");
4261  avio_printf(pb, "</smil>\n");
4262 
4263  return update_size(pb, pos);
4264 }
4265 
4267 {
4268  avio_wb32(pb, 16);
4269  ffio_wfourcc(pb, "mfhd");
4270  avio_wb32(pb, 0);
4271  avio_wb32(pb, mov->fragments);
4272  return 0;
4273 }
4274 
4275 static uint32_t get_sample_flags(MOVTrack *track, MOVIentry *entry)
4276 {
4279 }
4280 
4282  MOVTrack *track, int64_t moof_offset)
4283 {
4284  int64_t pos = avio_tell(pb);
4287  if (!track->entry) {
4288  flags |= MOV_TFHD_DURATION_IS_EMPTY;
4289  } else {
4290  flags |= MOV_TFHD_DEFAULT_FLAGS;
4291  }
4293  flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
4294  if (mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF) {
4295  flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
4297  }
4298  /* CMAF requires all values to be explicit in tfhd atoms */
4299  if (mov->flags & FF_MOV_FLAG_CMAF)
4300  flags |= MOV_TFHD_STSD_ID;
4301 
4302  /* Don't set a default sample size, the silverlight player refuses
4303  * to play files with that set. Don't set a default sample duration,
4304  * WMP freaks out if it is set. Don't set a base data offset, PIFF
4305  * file format says it MUST NOT be set. */
4306  if (track->mode == MODE_ISM)
4309 
4310  avio_wb32(pb, 0); /* size placeholder */
4311  ffio_wfourcc(pb, "tfhd");
4312  avio_w8(pb, 0); /* version */
4313  avio_wb24(pb, flags);
4314 
4315  avio_wb32(pb, track->track_id); /* track-id */
4316  if (flags & MOV_TFHD_BASE_DATA_OFFSET)
4317  avio_wb64(pb, moof_offset);
4318  if (flags & MOV_TFHD_STSD_ID) {
4319  avio_wb32(pb, 1);
4320  }
4321  if (flags & MOV_TFHD_DEFAULT_DURATION) {
4322  track->default_duration = get_cluster_duration(track, 0);
4323  avio_wb32(pb, track->default_duration);
4324  }
4325  if (flags & MOV_TFHD_DEFAULT_SIZE) {
4326  track->default_size = track->entry ? track->cluster[0].size : 1;
4327  avio_wb32(pb, track->default_size);
4328  } else
4329  track->default_size = -1;
4330 
4331  if (flags & MOV_TFHD_DEFAULT_FLAGS) {
4332  /* Set the default flags based on the second sample, if available.
4333  * If the first sample is different, that can be signaled via a separate field. */
4334  if (track->entry > 1)
4335  track->default_sample_flags = get_sample_flags(track, &track->cluster[1]);
4336  else
4337  track->default_sample_flags =
4338  track->par->codec_type == AVMEDIA_TYPE_VIDEO ?
4341  avio_wb32(pb, track->default_sample_flags);
4342  }
4343 
4344  return update_size(pb, pos);
4345 }
4346 
4348  MOVTrack *track, int moof_size,
4349  int first, int end)
4350 {
4351  int64_t pos = avio_tell(pb);
4352  uint32_t flags = MOV_TRUN_DATA_OFFSET;
4353  int i;
4354 
4355  for (i = first; i < end; i++) {
4356  if (get_cluster_duration(track, i) != track->default_duration)
4357  flags |= MOV_TRUN_SAMPLE_DURATION;
4358  if (track->cluster[i].size != track->default_size)
4359  flags |= MOV_TRUN_SAMPLE_SIZE;
4360  if (i > first && get_sample_flags(track, &track->cluster[i]) != track->default_sample_flags)
4361  flags |= MOV_TRUN_SAMPLE_FLAGS;
4362  }
4363  if (!(flags & MOV_TRUN_SAMPLE_FLAGS) && track->entry > 0 &&
4364  get_sample_flags(track, &track->cluster[0]) != track->default_sample_flags)
4365  flags |= MOV_TRUN_FIRST_SAMPLE_FLAGS;
4366  if (track->flags & MOV_TRACK_CTTS)
4367  flags |= MOV_TRUN_SAMPLE_CTS;
4368 
4369  avio_wb32(pb, 0); /* size placeholder */
4370  ffio_wfourcc(pb, "trun");
4372  avio_w8(pb, 1); /* version */
4373  else
4374  avio_w8(pb, 0); /* version */
4375  avio_wb24(pb, flags);
4376 
4377  avio_wb32(pb, end - first); /* sample count */
4378  if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET &&
4380  !mov->first_trun)
4381  avio_wb32(pb, 0); /* Later tracks follow immediately after the previous one */
4382  else
4383  avio_wb32(pb, moof_size + 8 + track->data_offset +
4384  track->cluster[first].pos); /* data offset */
4385  if (flags & MOV_TRUN_FIRST_SAMPLE_FLAGS)
4386  avio_wb32(pb, get_sample_flags(track, &track->cluster[first]));
4387 
4388  for (i = first; i < end; i++) {
4389  if (flags & MOV_TRUN_SAMPLE_DURATION)
4390  avio_wb32(pb, get_cluster_duration(track, i));
4391  if (flags & MOV_TRUN_SAMPLE_SIZE)
4392  avio_wb32(pb, track->cluster[i].size);
4393  if (flags & MOV_TRUN_SAMPLE_FLAGS)
4394  avio_wb32(pb, get_sample_flags(track, &track->cluster[i]));
4395  if (flags & MOV_TRUN_SAMPLE_CTS)
4396  avio_wb32(pb, track->cluster[i].cts);
4397  }
4398 
4399  mov->first_trun = 0;
4400  return update_size(pb, pos);
4401 }
4402 
4403 static int mov_write_tfxd_tag(AVIOContext *pb, MOVTrack *track)
4404 {
4405  int64_t pos = avio_tell(pb);
4406  static const uint8_t uuid[] = {
4407  0x6d, 0x1d, 0x9b, 0x05, 0x42, 0xd5, 0x44, 0xe6,
4408  0x80, 0xe2, 0x14, 0x1d, 0xaf, 0xf7, 0x57, 0xb2
4409  };
4410 
4411  avio_wb32(pb, 0); /* size placeholder */
4412  ffio_wfourcc(pb, "uuid");
4413  avio_write(pb, uuid, sizeof(uuid));
4414  avio_w8(pb, 1);
4415  avio_wb24(pb, 0);
4416  avio_wb64(pb, track->start_dts + track->frag_start +
4417  track->cluster[0].cts);
4418  avio_wb64(pb, track->end_pts -
4419  (track->cluster[0].dts + track->cluster[0].cts));
4420 
4421  return update_size(pb, pos);
4422 }
4423 
4425  MOVTrack *track, int entry)
4426 {
4427  int n = track->nb_frag_info - 1 - entry, i;
4428  int size = 8 + 16 + 4 + 1 + 16*n;
4429  static const uint8_t uuid[] = {
4430  0xd4, 0x80, 0x7e, 0xf2, 0xca, 0x39, 0x46, 0x95,
4431  0x8e, 0x54, 0x26, 0xcb, 0x9e, 0x46, 0xa7, 0x9f
4432  };
4433 
4434  if (entry < 0)
4435  return 0;
4436 
4437  avio_seek(pb, track->frag_info[entry].tfrf_offset, SEEK_SET);
4438  avio_wb32(pb, size);
4439  ffio_wfourcc(pb, "uuid");
4440  avio_write(pb, uuid, sizeof(uuid));
4441  avio_w8(pb, 1);
4442  avio_wb24(pb, 0);
4443  avio_w8(pb, n);
4444  for (i = 0; i < n; i++) {
4445  int index = entry + 1 + i;
4446  avio_wb64(pb, track->frag_info[index].time);
4447  avio_wb64(pb, track->frag_info[index].duration);
4448  }
4449  if (n < mov->ism_lookahead) {
4450  int free_size = 16 * (mov->ism_lookahead - n);
4451  avio_wb32(pb, free_size);
4452  ffio_wfourcc(pb, "free");
4453  ffio_fill(pb, 0, free_size - 8);
4454  }
4455 
4456  return 0;
4457 }
4458 
4460  MOVTrack *track)
4461 {
4462  int64_t pos = avio_tell(pb);
4463  int i;
4464  for (i = 0; i < mov->ism_lookahead; i++) {
4465  /* Update the tfrf tag for the last ism_lookahead fragments,
4466  * nb_frag_info - 1 is the next fragment to be written. */
4467  mov_write_tfrf_tag(pb, mov, track, track->nb_frag_info - 2 - i);
4468  }
4469  avio_seek(pb, pos, SEEK_SET);
4470  return 0;
4471 }
4472 
4473 static int mov_add_tfra_entries(AVIOContext *pb, MOVMuxContext *mov, int tracks,
4474  int size)
4475 {
4476  int i;
4477  for (i = 0; i < mov->nb_streams; i++) {
4478  MOVTrack *track = &mov->tracks[i];
4479  MOVFragmentInfo *info;
4480  if ((tracks >= 0 && i != tracks) || !track->entry)
4481  continue;
4482  track->nb_frag_info++;
4483  if (track->nb_frag_info >= track->frag_info_capacity) {
4484  unsigned new_capacity = track->nb_frag_info + MOV_FRAG_INFO_ALLOC_INCREMENT;
4485  if (av_reallocp_array(&track->frag_info,
4486  new_capacity,
4487  sizeof(*track->frag_info)))
4488  return AVERROR(ENOMEM);
4489  track->frag_info_capacity = new_capacity;
4490  }
4491  info = &track->frag_info[track->nb_frag_info - 1];
4492  info->offset = avio_tell(pb);
4493  info->size = size;
4494  // Try to recreate the original pts for the first packet
4495  // from the fields we have stored
4496  info->time = track->start_dts + track->frag_start +
4497  track->cluster[0].cts;
4498  info->duration = track->end_pts -
4499  (track->cluster[0].dts + track->cluster[0].cts);
4500  // If the pts is less than zero, we will have trimmed
4501  // away parts of the media track using an edit list,
4502  // and the corresponding start presentation time is zero.
4503  if (info->time < 0) {
4504  info->duration += info->time;
4505  info->time = 0;
4506  }
4507  info->tfrf_offset = 0;
4508  mov_write_tfrf_tags(pb, mov, track);
4509  }
4510  return 0;
4511 }
4512 
4513 static void mov_prune_frag_info(MOVMuxContext *mov, int tracks, int max)
4514 {
4515  int i;
4516  for (i = 0; i < mov->nb_streams; i++) {
4517  MOVTrack *track = &mov->tracks[i];
4518  if ((tracks >= 0 && i != tracks) || !track->entry)
4519  continue;
4520  if (track->nb_frag_info > max) {
4521  memmove(track->frag_info, track->frag_info + (track->nb_frag_info - max), max * sizeof(*track->frag_info));
4522  track->nb_frag_info = max;
4523  }
4524  }
4525 }
4526 
4527 static int mov_write_tfdt_tag(AVIOContext *pb, MOVTrack *track)
4528 {
4529  int64_t pos = avio_tell(pb);
4530 
4531  avio_wb32(pb, 0); /* size */
4532  ffio_wfourcc(pb, "tfdt");
4533  avio_w8(pb, 1); /* version */
4534  avio_wb24(pb, 0);
4535  avio_wb64(pb, track->frag_start);
4536  return update_size(pb, pos);
4537 }
4538 
4540  MOVTrack *track, int64_t moof_offset,
4541  int moof_size)
4542 {
4543  int64_t pos = avio_tell(pb);
4544  int i, start = 0;
4545  avio_wb32(pb, 0); /* size placeholder */
4546  ffio_wfourcc(pb, "traf");
4547 
4548  mov_write_tfhd_tag(pb, mov, track, moof_offset);
4549  if (mov->mode != MODE_ISM)
4550  mov_write_tfdt_tag(pb, track);
4551  for (i = 1; i < track->entry; i++) {
4552  if (track->cluster[i].pos != track->cluster[i - 1].pos + track->cluster[i - 1].size) {
4553  mov_write_trun_tag(pb, mov, track, moof_size, start, i);
4554  start = i;
4555  }
4556  }
4557  mov_write_trun_tag(pb, mov, track, moof_size, start, track->entry);
4558  if (mov->mode == MODE_ISM) {
4559  mov_write_tfxd_tag(pb, track);
4560 
4561  if (mov->ism_lookahead) {
4562  int i, size = 16 + 4 + 1 + 16 * mov->ism_lookahead;
4563 
4564  if (track->nb_frag_info > 0) {
4565  MOVFragmentInfo *info = &track->frag_info[track->nb_frag_info - 1];
4566  if (!info->tfrf_offset)
4567  info->tfrf_offset = avio_tell(pb);
4568  }
4569  avio_wb32(pb, 8 + size);
4570  ffio_wfourcc(pb, "free");
4571  for (i = 0; i < size; i++)
4572  avio_w8(pb, 0);
4573  }
4574  }
4575 
4576  return update_size(pb, pos);
4577 }
4578 
4580  int tracks, int moof_size)
4581 {
4582  int64_t pos = avio_tell(pb);
4583  int i;
4584 
4585  avio_wb32(pb, 0); /* size placeholder */
4586  ffio_wfourcc(pb, "moof");
4587  mov->first_trun = 1;
4588 
4589  mov_write_mfhd_tag(pb, mov);
4590  for (i = 0; i < mov->nb_streams; i++) {
4591  MOVTrack *track = &mov->tracks[i];
4592  if (tracks >= 0 && i != tracks)
4593  continue;
4594  if (!track->entry)
4595  continue;
4596  mov_write_traf_tag(pb, mov, track, pos, moof_size);
4597  }
4598 
4599  return update_size(pb, pos);
4600 }
4601 
4603  MOVTrack *track, int ref_size, int total_sidx_size)
4604 {
4605  int64_t pos = avio_tell(pb), offset_pos, end_pos;
4606  int64_t presentation_time, duration, offset;
4607  unsigned starts_with_SAP;
4608  int i, entries;
4609 
4610  if (track->entry) {
4611  entries = 1;
4612  presentation_time = track->start_dts + track->frag_start +
4613  track->cluster[0].cts;
4614  duration = track->end_pts -
4615  (track->cluster[0].dts + track->cluster[0].cts);
4616  starts_with_SAP = track->cluster[0].flags & MOV_SYNC_SAMPLE;
4617 
4618  // pts<0 should be cut away using edts
4619  if (presentation_time < 0) {
4620  duration += presentation_time;
4621  presentation_time = 0;
4622  }
4623  } else {
4624  entries = track->nb_frag_info;
4625  if (entries <= 0)
4626  return 0;
4627  presentation_time = track->frag_info[0].time;
4628  }
4629 
4630  avio_wb32(pb, 0); /* size */
4631  ffio_wfourcc(pb, "sidx");
4632  avio_w8(pb, 1); /* version */
4633  avio_wb24(pb, 0);
4634  avio_wb32(pb, track->track_id); /* reference_ID */
4635  avio_wb32(pb, track->timescale); /* timescale */
4636  avio_wb64(pb, presentation_time); /* earliest_presentation_time */
4637  offset_pos = avio_tell(pb);
4638  avio_wb64(pb, 0); /* first_offset (offset to referenced moof) */
4639  avio_wb16(pb, 0); /* reserved */
4640 
4641  avio_wb16(pb, entries); /* reference_count */
4642  for (i = 0; i < entries; i++) {
4643  if (!track->entry) {
4644  if (i > 1 && track->frag_info[i].offset != track->frag_info[i - 1].offset + track->frag_info[i - 1].size) {
4645  av_log(NULL, AV_LOG_ERROR, "Non-consecutive fragments, writing incorrect sidx\n");
4646  }
4647  duration = track->frag_info[i].duration;
4648  ref_size = track->frag_info[i].size;
4649  starts_with_SAP = 1;
4650  }
4651  avio_wb32(pb, (0 << 31) | (ref_size & 0x7fffffff)); /* reference_type (0 = media) | referenced_size */
4652  avio_wb32(pb, duration); /* subsegment_duration */
4653  avio_wb32(pb, (starts_with_SAP << 31) | (0 << 28) | 0); /* starts_with_SAP | SAP_type | SAP_delta_time */
4654  }
4655 
4656  end_pos = avio_tell(pb);
4657  offset = pos + total_sidx_size - end_pos;
4658  avio_seek(pb, offset_pos, SEEK_SET);
4659  avio_wb64(pb, offset);
4660  avio_seek(pb, end_pos, SEEK_SET);
4661  return update_size(pb, pos);
4662 }
4663 
4665  int tracks, int ref_size)
4666 {
4667  int i, round, ret;
4668  AVIOContext *avio_buf;
4669  int total_size = 0;
4670  for (round = 0; round < 2; round++) {
4671  // First run one round to calculate the total size of all
4672  // sidx atoms.
4673  // This would be much simpler if we'd only write one sidx
4674  // atom, for the first track in the moof.
4675  if (round == 0) {
4676  if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
4677  return ret;
4678  } else {
4679  avio_buf = pb;
4680  }
4681  for (i = 0; i < mov->nb_streams; i++) {
4682  MOVTrack *track = &mov->tracks[i];
4683  if (tracks >= 0 && i != tracks)
4684  continue;
4685  // When writing a sidx for the full file, entry is 0, but
4686  // we want to include all tracks. ref_size is 0 in this case,
4687  // since we read it from frag_info instead.
4688  if (!track->entry && ref_size > 0)
4689  continue;
4690  total_size -= mov_write_sidx_tag(avio_buf, track, ref_size,
4691  total_size);
4692  }
4693  if (round == 0)
4694  total_size = ffio_close_null_buf(avio_buf);
4695  }
4696  return 0;
4697 }
4698 
4699 static int mov_write_prft_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks)
4700 {
4701  int64_t pos = avio_tell(pb), pts_us, ntp_ts;
4702  MOVTrack *first_track;
4703  int flags = 24;
4704 
4705  /* PRFT should be associated with at most one track. So, choosing only the
4706  * first track. */
4707  if (tracks > 0)
4708  return 0;
4709  first_track = &(mov->tracks[0]);
4710 
4711  if (!first_track->entry) {
4712  av_log(mov->fc, AV_LOG_WARNING, "Unable to write PRFT, no entries in the track\n");
4713  return 0;
4714  }
4715 
4716  if (first_track->cluster[0].pts == AV_NOPTS_VALUE) {
4717  av_log(mov->fc, AV_LOG_WARNING, "Unable to write PRFT, first PTS is invalid\n");
4718  return 0;
4719  }
4720 
4721  if (mov->write_prft == MOV_PRFT_SRC_WALLCLOCK) {
4722  if (first_track->cluster[0].prft.wallclock) {
4723  /* Round the NTP time to whole milliseconds. */
4724  ntp_ts = ff_get_formatted_ntp_time((first_track->cluster[0].prft.wallclock / 1000) * 1000 +
4725  NTP_OFFSET_US);
4726  flags = first_track->cluster[0].prft.flags;
4727  } else
4729  } else if (mov->write_prft == MOV_PRFT_SRC_PTS) {
4730  pts_us = av_rescale_q(first_track->cluster[0].pts,
4731  first_track->st->time_base, AV_TIME_BASE_Q);
4732  ntp_ts = ff_get_formatted_ntp_time(pts_us + NTP_OFFSET_US);
4733  } else {
4734  av_log(mov->fc, AV_LOG_WARNING, "Unsupported PRFT box configuration: %d\n",
4735  mov->write_prft);
4736  return 0;
4737  }
4738 
4739  avio_wb32(pb, 0); // Size place holder
4740  ffio_wfourcc(pb, "prft"); // Type
4741  avio_w8(pb, 1); // Version
4742  avio_wb24(pb, flags); // Flags
4743  avio_wb32(pb, first_track->track_id); // reference track ID
4744  avio_wb64(pb, ntp_ts); // NTP time stamp
4745  avio_wb64(pb, first_track->cluster[0].pts); //media time
4746  return update_size(pb, pos);
4747 }
4748 
4749 static int mov_write_moof_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks,
4750  int64_t mdat_size)
4751 {
4752  AVIOContext *avio_buf;
4753  int ret, moof_size;
4754 
4755  if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
4756  return ret;
4757  mov_write_moof_tag_internal(avio_buf, mov, tracks, 0);
4758  moof_size = ffio_close_null_buf(avio_buf);
4759 
4760  if (mov->flags & FF_MOV_FLAG_DASH &&
4762  mov_write_sidx_tags(pb, mov, tracks, moof_size + 8 + mdat_size);
4763 
4764  if (mov->write_prft > MOV_PRFT_NONE && mov->write_prft < MOV_PRFT_NB)
4765  mov_write_prft_tag(pb, mov, tracks);
4766 
4767  if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX ||
4768  !(mov->flags & FF_MOV_FLAG_SKIP_TRAILER) ||
4769  mov->ism_lookahead) {
4770  if ((ret = mov_add_tfra_entries(pb, mov, tracks, moof_size + 8 + mdat_size)) < 0)
4771  return ret;
4772  if (!(mov->flags & FF_MOV_FLAG_GLOBAL_SIDX) &&
4774  mov_prune_frag_info(mov, tracks, mov->ism_lookahead + 1);
4775  }
4776  }
4777 
4778  return mov_write_moof_tag_internal(pb, mov, tracks, moof_size);
4779 }
4780 
4781 static int mov_write_tfra_tag(AVIOContext *pb, MOVTrack *track)
4782 {
4783  int64_t pos = avio_tell(pb);
4784  int i;
4785 
4786  avio_wb32(pb, 0); /* size placeholder */
4787  ffio_wfourcc(pb, "tfra");
4788  avio_w8(pb, 1); /* version */
4789  avio_wb24(pb, 0);
4790 
4791  avio_wb32(pb, track->track_id);
4792  avio_wb32(pb, 0); /* length of traf/trun/sample num */
4793  avio_wb32(pb, track->nb_frag_info);
4794  for (i = 0; i < track->nb_frag_info; i++) {
4795  avio_wb64(pb, track->frag_info[i].time);
4796  avio_wb64(pb, track->frag_info[i].offset + track->data_offset);
4797  avio_w8(pb, 1); /* traf number */
4798  avio_w8(pb, 1); /* trun number */
4799  avio_w8(pb, 1); /* sample number */
4800  }
4801 
4802  return update_size(pb, pos);
4803 }
4804 
4806 {
4807  int64_t pos = avio_tell(pb);
4808  int i;
4809 
4810  avio_wb32(pb, 0); /* size placeholder */
4811  ffio_wfourcc(pb, "mfra");
4812  /* An empty mfra atom is enough to indicate to the publishing point that
4813  * the stream has ended. */
4814  if (mov->flags & FF_MOV_FLAG_ISML)
4815  return update_size(pb, pos);
4816 
4817  for (i = 0; i < mov->nb_streams; i++) {
4818  MOVTrack *track = &mov->tracks[i];
4819  if (track->nb_frag_info)
4820  mov_write_tfra_tag(pb, track);
4821  }
4822 
4823  avio_wb32(pb, 16);
4824  ffio_wfourcc(pb, "mfro");
4825  avio_wb32(pb, 0); /* version + flags */
4826  avio_wb32(pb, avio_tell(pb) + 4 - pos);
4827 
4828  return update_size(pb, pos);
4829 }
4830 
4832 {
4833  avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
4834  ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
4835 
4836  mov->mdat_pos = avio_tell(pb);
4837  avio_wb32(pb, 0); /* size placeholder*/
4838  ffio_wfourcc(pb, "mdat");
4839  return 0;
4840 }
4841 
4843  int has_h264, int has_video, int write_minor)
4844 {
4845  MOVMuxContext *mov = s->priv_data;
4846  int minor = 0x200;
4847 
4848  if (mov->major_brand && strlen(mov->major_brand) >= 4)
4849  ffio_wfourcc(pb, mov->major_brand);
4850  else if (mov->mode == MODE_3GP) {
4851  ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
4852  minor = has_h264 ? 0x100 : 0x200;
4853  } else if (mov->mode & MODE_3G2) {
4854  ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
4855  minor = has_h264 ? 0x20000 : 0x10000;
4856  } else if (mov->mode == MODE_PSP)
4857  ffio_wfourcc(pb, "MSNV");
4858  else if (mov->mode == MODE_MP4 && mov->flags & FF_MOV_FLAG_FRAGMENT &&
4860  ffio_wfourcc(pb, "iso6"); // Required when using signed CTS offsets in trun boxes
4861  else if (mov->mode == MODE_MP4 && mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)
4862  ffio_wfourcc(pb, "iso5"); // Required when using default-base-is-moof
4863  else if (mov->mode == MODE_MP4 && mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
4864  ffio_wfourcc(pb, "iso4");
4865  else if (mov->mode == MODE_MP4)
4866  ffio_wfourcc(pb, "isom");
4867  else if (mov->mode == MODE_IPOD)
4868  ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
4869  else if (mov->mode == MODE_ISM)
4870  ffio_wfourcc(pb, "isml");
4871  else if (mov->mode == MODE_F4V)
4872  ffio_wfourcc(pb, "f4v ");
4873  else
4874  ffio_wfourcc(pb, "qt ");
4875 
4876  if (write_minor)
4877  avio_wb32(pb, minor);
4878 }
4879 
4881 {
4882  MOVMuxContext *mov = s->priv_data;
4883  int64_t pos = avio_tell(pb);
4884  int has_h264 = 0, has_video = 0;
4885  int i;
4886 
4887  for (i = 0; i < s->nb_streams; i++) {
4888  AVStream *st = s->streams[i];
4889  if (is_cover_image(st))
4890  continue;
4892  has_video = 1;
4893  if (st->codecpar->codec_id == AV_CODEC_ID_H264)
4894  has_h264 = 1;
4895  }
4896 
4897  avio_wb32(pb, 0); /* size */
4898  ffio_wfourcc(pb, "ftyp");
4899 
4900  // Write major brand
4901  mov_write_ftyp_tag_internal(pb, s, has_h264, has_video, 1);
4902  // Write the major brand as the first compatible brand as well
4903  mov_write_ftyp_tag_internal(pb, s, has_h264, has_video, 0);
4904 
4905  // Write compatible brands, ensuring that we don't write the major brand as a
4906  // compatible brand a second time.
4907  if (mov->mode == MODE_ISM) {
4908  ffio_wfourcc(pb, "piff");
4909  } else if (mov->mode != MODE_MOV) {
4910  // We add tfdt atoms when fragmenting, signal this with the iso6 compatible
4911  // brand, if not already the major brand. This is compatible with users that
4912  // don't understand tfdt.
4913  if (mov->mode == MODE_MP4) {
4914  if (mov->flags & FF_MOV_FLAG_CMAF)
4915  ffio_wfourcc(pb, "cmfc");
4917  ffio_wfourcc(pb, "iso6");
4918  } else {
4919  if (mov->flags & FF_MOV_FLAG_FRAGMENT)
4920  ffio_wfourcc(pb, "iso6");
4922  ffio_wfourcc(pb, "iso5");
4923  else if (mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
4924  ffio_wfourcc(pb, "iso4");
4925  }
4926  // Brands prior to iso5 can't be signaled when using default-base-is-moof
4927  if (!(mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)) {
4928  // write isom for mp4 only if it it's not the major brand already.
4929  if (mov->mode != MODE_MP4 || mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
4930  ffio_wfourcc(pb, "isom");
4931  ffio_wfourcc(pb, "iso2");
4932  if (has_h264)
4933  ffio_wfourcc(pb, "avc1");
4934  }
4935  }
4936 
4937  if (mov->mode == MODE_MP4)
4938  ffio_wfourcc(pb, "mp41");
4939 
4940  if (mov->flags & FF_MOV_FLAG_DASH && mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
4941  ffio_wfourcc(pb, "dash");
4942 
4943  return update_size(pb, pos);
4944 }
4945 
4947 {
4948  AVStream *video_st = s->streams[0];
4949  AVCodecParameters *video_par = s->streams[0]->codecpar;
4950  AVCodecParameters *audio_par = s->streams[1]->codecpar;
4951  int audio_rate = audio_par->sample_rate;
4952  int64_t frame_rate = video_st->avg_frame_rate.den ?
4953  (video_st->avg_frame_rate.num * 0x10000LL) / video_st->avg_frame_rate.den :
4954  0;
4955  int audio_kbitrate = audio_par->bit_rate / 1000;
4956  int video_kbitrate = FFMIN(video_par->bit_rate / 1000, 800 - audio_kbitrate);
4957 
4958  if (frame_rate < 0 || frame_rate > INT32_MAX) {
4959  av_log(s, AV_LOG_ERROR, "Frame rate %f outside supported range\n", frame_rate / (double)0x10000);
4960  return AVERROR(EINVAL);
4961  }
4962 
4963  avio_wb32(pb, 0x94); /* size */
4964  ffio_wfourcc(pb, "uuid");
4965  ffio_wfourcc(pb, "PROF");
4966 
4967  avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
4968  avio_wb32(pb, 0xbb88695c);
4969  avio_wb32(pb, 0xfac9c740);
4970 
4971  avio_wb32(pb, 0x0); /* ? */
4972  avio_wb32(pb, 0x3); /* 3 sections ? */
4973 
4974  avio_wb32(pb, 0x14); /* size */
4975  ffio_wfourcc(pb, "FPRF");
4976  avio_wb32(pb, 0x0); /* ? */
4977  avio_wb32(pb, 0x0); /* ? */
4978  avio_wb32(pb, 0x0); /* ? */
4979 
4980  avio_wb32(pb, 0x2c); /* size */
4981  ffio_wfourcc(pb, "APRF"); /* audio */
4982  avio_wb32(pb, 0x0);
4983  avio_wb32(pb, 0x2); /* TrackID */
4984  ffio_wfourcc(pb, "mp4a");
4985  avio_wb32(pb, 0x20f);
4986  avio_wb32(pb, 0x0);
4987  avio_wb32(pb, audio_kbitrate);
4988  avio_wb32(pb, audio_kbitrate);
4989  avio_wb32(pb, audio_rate);
4990  avio_wb32(pb, audio_par->channels);
4991 
4992  avio_wb32(pb, 0x34); /* size */
4993  ffio_wfourcc(pb, "VPRF"); /* video */
4994  avio_wb32(pb, 0x0);
4995  avio_wb32(pb, 0x1); /* TrackID */
4996  if (video_par->codec_id == AV_CODEC_ID_H264) {
4997  ffio_wfourcc(pb, "avc1");
4998  avio_wb16(pb, 0x014D);
4999  avio_wb16(pb, 0x0015);
5000  } else {
5001  ffio_wfourcc(pb, "mp4v");
5002  avio_wb16(pb, 0x0000);
5003  avio_wb16(pb, 0x0103);
5004  }
5005  avio_wb32(pb, 0x0);
5006  avio_wb32(pb, video_kbitrate);
5007  avio_wb32(pb, video_kbitrate);
5008  avio_wb32(pb, frame_rate);
5009  avio_wb32(pb, frame_rate);
5010  avio_wb16(pb, video_par->width);
5011  avio_wb16(pb, video_par->height);
5012  avio_wb32(pb, 0x010001); /* ? */
5013 
5014  return 0;
5015 }
5016 
5018 {
5019  MOVMuxContext *mov = s->priv_data;
5020  int i;
5021 
5022  mov_write_ftyp_tag(pb,s);
5023  if (mov->mode == MODE_PSP) {
5024  int video_streams_nb = 0, audio_streams_nb = 0, other_streams_nb = 0;
5025  for (i = 0; i < s->nb_streams; i++) {
5026  AVStream *st = s->streams[i];
5027  if (is_cover_image(st))
5028  continue;
5030  video_streams_nb++;
5031  else if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO)
5032  audio_streams_nb++;
5033  else
5034  other_streams_nb++;
5035  }
5036 
5037  if (video_streams_nb != 1 || audio_streams_nb != 1 || other_streams_nb) {
5038  av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
5039  return AVERROR(EINVAL);
5040  }
5041  return mov_write_uuidprof_tag(pb, s);
5042  }
5043  return 0;
5044 }
5045 
5046 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
5047 {
5048  uint32_t c = -1;
5049  int i, closed_gop = 0;
5050 
5051  for (i = 0; i < pkt->size - 4; i++) {
5052  c = (c << 8) + pkt->data[i];
5053  if (c == 0x1b8) { // gop
5054  closed_gop = pkt->data[i + 4] >> 6 & 0x01;
5055  } else if (c == 0x100) { // pic
5056  int temp_ref = (pkt->data[i + 1] << 2) | (pkt->data[i + 2] >> 6);
5057  if (!temp_ref || closed_gop) // I picture is not reordered
5058  *flags = MOV_SYNC_SAMPLE;
5059  else
5060  *flags = MOV_PARTIAL_SYNC_SAMPLE;
5061  break;
5062  }
5063  }
5064  return 0;
5065 }
5066 
5068 {
5069  const uint8_t *start, *next, *end = pkt->data + pkt->size;
5070  int seq = 0, entry = 0;
5071  int key = pkt->flags & AV_PKT_FLAG_KEY;
5072  start = find_next_marker(pkt->data, end);
5073  for (next = start; next < end; start = next) {
5074  next = find_next_marker(start + 4, end);
5075  switch (AV_RB32(start)) {
5076  case VC1_CODE_SEQHDR:
5077  seq = 1;
5078  break;
5079  case VC1_CODE_ENTRYPOINT:
5080  entry = 1;
5081  break;
5082  case VC1_CODE_SLICE:
5083  trk->vc1_info.slices = 1;
5084  break;
5085  }
5086  }
5087  if (!trk->entry && trk->vc1_info.first_packet_seen)
5088  trk->vc1_info.first_frag_written = 1;
5089  if (!trk->entry && !trk->vc1_info.first_frag_written) {
5090  /* First packet in first fragment */
5091  trk->vc1_info.first_packet_seq = seq;
5092  trk->vc1_info.first_packet_entry = entry;
5093  trk->vc1_info.first_packet_seen = 1;
5094  } else if ((seq && !trk->vc1_info.packet_seq) ||
5095  (entry && !trk->vc1_info.packet_entry)) {
5096  int i;
5097  for (i = 0; i < trk->entry; i++)
5098  trk->cluster[i].flags &= ~MOV_SYNC_SAMPLE;
5099  trk->has_keyframes = 0;
5100  if (seq)
5101  trk->vc1_info.packet_seq = 1;
5102  if (entry)
5103  trk->vc1_info.packet_entry = 1;
5104  if (!trk->vc1_info.first_frag_written) {
5105  /* First fragment */
5106  if ((!seq || trk->vc1_info.first_packet_seq) &&
5107  (!entry || trk->vc1_info.first_packet_entry)) {
5108  /* First packet had the same headers as this one, readd the
5109  * sync sample flag. */
5110  trk->cluster[0].flags |= MOV_SYNC_SAMPLE;
5111  trk->has_keyframes = 1;
5112  }
5113  }
5114  }
5115  if (trk->vc1_info.packet_seq && trk->vc1_info.packet_entry)
5116  key = seq && entry;
5117  else if (trk->vc1_info.packet_seq)
5118  key = seq;
5119  else if (trk->vc1_info.packet_entry)
5120  key = entry;
5121  if (key) {
5122  trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
5123  trk->has_keyframes++;
5124  }
5125 }
5126 
5128 {
5129  int length;
5130 
5131  if (pkt->size < 8)
5132  return;
5133 
5134  length = (AV_RB16(pkt->data) & 0xFFF) * 2;
5135  if (length < 8 || length > pkt->size)
5136  return;
5137 
5138  if (AV_RB32(pkt->data + 4) == 0xF8726FBA) {
5139  trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
5140  trk->has_keyframes++;
5141  }
5142 
5143  return;
5144 }
5145 
5147 {
5148  MOVMuxContext *mov = s->priv_data;
5149  int ret, buf_size;
5150  uint8_t *buf;
5151  int i, offset;
5152 
5153  if (!track->mdat_buf)
5154  return 0;
5155  if (!mov->mdat_buf) {
5156  if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
5157  return ret;
5158  }
5159  buf_size = avio_get_dyn_buf(track->mdat_buf, &buf);
5160 
5161  offset = avio_tell(mov->mdat_buf);
5162  avio_write(mov->mdat_buf, buf, buf_size);
5163  ffio_free_dyn_buf(&track->mdat_buf);
5164 
5165  for (i = track->entries_flushed; i < track->entry; i++)
5166  track->cluster[i].pos += offset;
5167  track->entries_flushed = track->entry;
5168  return 0;
5169 }
5170 
5171 static int mov_flush_fragment(AVFormatContext *s, int force)
5172 {
5173  MOVMuxContext *mov = s->priv_data;
5174  int i, first_track = -1;
5175  int64_t mdat_size = 0;
5176  int ret;
5177  int has_video = 0, starts_with_key = 0, first_video_track = 1;
5178 
5179  if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
5180  return 0;
5181 
5182  // Try to fill in the duration of the last packet in each stream
5183  // from queued packets in the interleave queues. If the flushing
5184  // of fragments was triggered automatically by an AVPacket, we
5185  // already have reliable info for the end of that track, but other
5186  // tracks may need to be filled in.
5187  for (i = 0; i < s->nb_streams; i++) {
5188  MOVTrack *track = &mov->tracks[i];
5189  if (!track->end_reliable) {
5190  AVPacket pkt;
5191  if (!ff_interleaved_peek(s, i, &pkt, 1)) {
5192  if (track->dts_shift != AV_NOPTS_VALUE)
5193  pkt.dts += track->dts_shift;
5194  track->track_duration = pkt.dts - track->start_dts;
5195  if (pkt.pts != AV_NOPTS_VALUE)
5196  track->end_pts = pkt.pts;
5197  else
5198  track->end_pts = pkt.dts;
5199  }
5200  }
5201  }
5202 
5203  for (i = 0; i < mov->nb_streams; i++) {
5204  MOVTrack *track = &mov->tracks[i];
5205  if (track->entry <= 1)
5206  continue;
5207  // Sample durations are calculated as the diff of dts values,
5208  // but for the last sample in a fragment, we don't know the dts
5209  // of the first sample in the next fragment, so we have to rely
5210  // on what was set as duration in the AVPacket. Not all callers
5211  // set this though, so we might want to replace it with an
5212  // estimate if it currently is zero.
5213  if (get_cluster_duration(track, track->entry - 1) != 0)
5214  continue;
5215  // Use the duration (i.e. dts diff) of the second last sample for
5216  // the last one. This is a wild guess (and fatal if it turns out
5217  // to be too long), but probably the best we can do - having a zero
5218  // duration is bad as well.
5219  track->track_duration += get_cluster_duration(track, track->entry - 2);
5220  track->end_pts += get_cluster_duration(track, track->entry - 2);
5221  if (!mov->missing_duration_warned) {
5223  "Estimating the duration of the last packet in a "
5224  "fragment, consider setting the duration field in "
5225  "AVPacket instead.\n");
5226  mov->missing_duration_warned = 1;
5227  }
5228  }
5229 
5230  if (!mov->moov_written) {
5231  int64_t pos = avio_tell(s->pb);
5232  uint8_t *buf;
5233  int buf_size, moov_size;
5234 
5235  for (i = 0; i < mov->nb_streams; i++)
5236  if (!mov->tracks[i].entry && !is_cover_image(mov->tracks[i].st))
5237  break;
5238  /* Don't write the initial moov unless all tracks have data */
5239  if (i < mov->nb_streams && !force)
5240  return 0;
5241 
5242  moov_size = get_moov_size(s);
5243  for (i = 0; i < mov->nb_streams; i++)
5244  mov->tracks[i].data_offset = pos + moov_size + 8;
5245 
5247  if (mov->flags & FF_MOV_FLAG_DELAY_MOOV)
5249  if ((ret = mov_write_moov_tag(s->pb, mov, s)) < 0)
5250  return ret;
5251 
5252  if (mov->flags & FF_MOV_FLAG_DELAY_MOOV) {
5253  if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
5254  mov->reserved_header_pos = avio_tell(s->pb);
5256  mov->moov_written = 1;
5257  return 0;
5258  }
5259 
5260  buf_size = avio_get_dyn_buf(mov->mdat_buf, &buf);
5261  avio_wb32(s->pb, buf_size + 8);
5262  ffio_wfourcc(s->pb, "mdat");
5263  avio_write(s->pb, buf, buf_size);
5264  ffio_free_dyn_buf(&mov->mdat_buf);
5265 
5266  if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
5267  mov->reserved_header_pos = avio_tell(s->pb);
5268 
5269  mov->moov_written = 1;
5270  mov->mdat_size = 0;
5271  for (i = 0; i < mov->nb_streams; i++) {
5272  if (mov->tracks[i].entry)
5273  mov->tracks[i].frag_start += mov->tracks[i].start_dts +
5274  mov->tracks[i].track_duration -
5275  mov->tracks[i].cluster[0].dts;
5276  mov->tracks[i].entry = 0;
5277  mov->tracks[i].end_reliable = 0;
5278  }
5280  return 0;
5281  }
5282 
5283  if (mov->frag_interleave) {
5284  for (i = 0; i < mov->nb_streams; i++) {
5285  MOVTrack *track = &mov->tracks[i];
5286  int ret;
5287  if ((ret = mov_flush_fragment_interleaving(s, track)) < 0)
5288  return ret;
5289  }
5290 
5291  if (!mov->mdat_buf)
5292  return 0;
5293  mdat_size = avio_tell(mov->mdat_buf);
5294  }
5295 
5296  for (i = 0; i < mov->nb_streams; i++) {
5297  MOVTrack *track = &mov->tracks[i];
5298  if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF || mov->frag_interleave)
5299  track->data_offset = 0;
5300  else
5301  track->data_offset = mdat_size;
5302  if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
5303  has_video = 1;
5304  if (first_video_track) {
5305  if (track->entry)
5306  starts_with_key = track->cluster[0].flags & MOV_SYNC_SAMPLE;
5307  first_video_track = 0;
5308  }
5309  }
5310  if (!track->entry)
5311  continue;
5312  if (track->mdat_buf)
5313  mdat_size += avio_tell(track->mdat_buf);
5314  if (first_track < 0)
5315  first_track = i;
5316  }
5317 
5318  if (!mdat_size)
5319  return 0;
5320 
5321  avio_write_marker(s->pb,
5322  av_rescale(mov->tracks[first_track].cluster[0].dts, AV_TIME_BASE, mov->tracks[first_track].timescale),
5323  (has_video ? starts_with_key : mov->tracks[first_track].cluster[0].flags & MOV_SYNC_SAMPLE) ? AVIO_DATA_MARKER_SYNC_POINT : AVIO_DATA_MARKER_BOUNDARY_POINT);
5324 
5325  for (i = 0; i < mov->nb_streams; i++) {
5326  MOVTrack *track = &mov->tracks[i];
5327  int buf_size, write_moof = 1, moof_tracks = -1;
5328  uint8_t *buf;
5329  int64_t duration = 0;
5330 
5331  if (track->entry)
5332  duration = track->start_dts + track->track_duration -
5333  track->cluster[0].dts;
5334  if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) {
5335  if (!track->mdat_buf)
5336  continue;
5337  mdat_size = avio_tell(track->mdat_buf);
5338  moof_tracks = i;
5339  } else {
5340  write_moof = i == first_track;
5341  }
5342 
5343  if (write_moof) {
5345 
5346  mov_write_moof_tag(s->pb, mov, moof_tracks, mdat_size);
5347  mov->fragments++;
5348 
5349  avio_wb32(s->pb, mdat_size + 8);
5350  ffio_wfourcc(s->pb, "mdat");
5351  }
5352 
5353  if (track->entry)
5354  track->frag_start += duration;
5355  track->entry = 0;
5356  track->entries_flushed = 0;
5357  track->end_reliable = 0;
5358  if (!mov->frag_interleave) {
5359  if (!track->mdat_buf)
5360  continue;
5361  buf_size = avio_close_dyn_buf(track->mdat_buf, &buf);
5362  track->mdat_buf = NULL;
5363  } else {
5364  if (!mov->mdat_buf)
5365  continue;
5366  buf_size = avio_close_dyn_buf(mov->mdat_buf, &buf);
5367  mov->mdat_buf = NULL;
5368  }
5369 
5370  avio_write(s->pb, buf, buf_size);
5371  av_free(buf);
5372  }
5373 
5374  mov->mdat_size = 0;
5375 
5377  return 0;
5378 }
5379 
5381 {
5382  MOVMuxContext *mov = s->priv_data;
5383  int had_moov = mov->moov_written;
5384  int ret = mov_flush_fragment(s, force);
5385  if (ret < 0)
5386  return ret;
5387  // If using delay_moov, the first flush only wrote the moov,
5388  // not the actual moof+mdat pair, thus flush once again.
5389  if (!had_moov && mov->flags & FF_MOV_FLAG_DELAY_MOOV)
5390  ret = mov_flush_fragment(s, force);
5391  return ret;
5392 }
5393 
5395 {
5396  MOVMuxContext *mov = s->priv_data;
5397  MOVTrack *trk = &mov->tracks[pkt->stream_index];
5398  int64_t ref;
5399  uint64_t duration;
5400 
5401  if (trk->entry) {
5402  ref = trk->cluster[trk->entry - 1].dts;
5403  } else if ( trk->start_dts != AV_NOPTS_VALUE
5404  && !trk->frag_discont) {
5405  ref = trk->start_dts + trk->track_duration;
5406  } else
5407  ref = pkt->dts; // Skip tests for the first packet
5408 
5409  if (trk->dts_shift != AV_NOPTS_VALUE) {
5410  /* With negative CTS offsets we have set an offset to the DTS,
5411  * reverse this for the check. */
5412  ref -= trk->dts_shift;
5413  }
5414 
5415  duration = pkt->dts - ref;
5416  if (pkt->dts < ref || duration >= INT_MAX) {
5417  av_log(s, AV_LOG_ERROR, "Application provided duration: %"PRId64" / timestamp: %"PRId64" is out of range for mov/mp4 format\n",
5418  duration, pkt->dts
5419  );
5420 
5421  pkt->dts = ref + 1;
5422  pkt->pts = AV_NOPTS_VALUE;
5423  }
5424 
5425  if (pkt->duration < 0 || pkt->duration > INT_MAX) {
5426  av_log(s, AV_LOG_ERROR, "Application provided duration: %"PRId64" is invalid\n", pkt->duration);
5427  return AVERROR(EINVAL);
5428  }
5429  return 0;
5430 }
5431 
5433 {
5434  MOVMuxContext *mov = s->priv_data;
5435  AVIOContext *pb = s->pb;
5436  MOVTrack *trk = &mov->tracks[pkt->stream_index];
5437  AVCodecParameters *par = trk->par;
5439  unsigned int samples_in_chunk = 0;
5440  int size = pkt->size, ret = 0, offset = 0;
5441  int prft_size;
5442  uint8_t *reformatted_data = NULL;
5443 
5444  ret = check_pkt(s, pkt);
5445  if (ret < 0)
5446  return ret;
5447 
5448  if (pkt->pts != AV_NOPTS_VALUE &&
5449  (uint64_t)pkt->dts - pkt->pts != (int32_t)((uint64_t)pkt->dts - pkt->pts)) {
5450  av_log(s, AV_LOG_WARNING, "pts/dts pair unsupported\n");
5451  return AVERROR_PATCHWELCOME;
5452  }
5453 
5454  if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
5455  int ret;
5456  if (mov->moov_written || mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
5457  if (mov->frag_interleave && mov->fragments > 0) {
5458  if (trk->entry - trk->entries_flushed >= mov->frag_interleave) {
5459  if ((ret = mov_flush_fragment_interleaving(s, trk)) < 0)
5460  return ret;
5461  }
5462  }
5463 
5464  if (!trk->mdat_buf) {
5465  if ((ret = avio_open_dyn_buf(&trk->mdat_buf)) < 0)
5466  return ret;
5467  }
5468  pb = trk->mdat_buf;
5469  } else {
5470  if (!mov->mdat_buf) {
5471  if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
5472  return ret;
5473  }
5474  pb = mov->mdat_buf;
5475  }
5476  }
5477 
5478  if (par->codec_id == AV_CODEC_ID_AMR_NB) {
5479  /* We must find out how many AMR blocks there are in one packet */
5480  static const uint16_t packed_size[16] =
5481  {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 1};
5482  int len = 0;
5483 
5484  while (len < size && samples_in_chunk < 100) {
5485  len += packed_size[(pkt->data[len] >> 3) & 0x0F];
5486  samples_in_chunk++;
5487  }
5488  if (samples_in_chunk > 1) {
5489  av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
5490  return -1;
5491  }
5492  } else if (par->codec_id == AV_CODEC_ID_ADPCM_MS ||
5494  samples_in_chunk = trk->par->frame_size;
5495  } else if (trk->sample_size)
5496  samples_in_chunk = size / trk->sample_size;
5497  else
5498  samples_in_chunk = 1;
5499 
5500  if (samples_in_chunk < 1) {
5501  av_log(s, AV_LOG_ERROR, "fatal error, input packet contains no samples\n");
5502  return AVERROR_PATCHWELCOME;
5503  }
5504 
5505  /* copy extradata if it exists */
5506  if (trk->vos_len == 0 && par->extradata_size > 0 &&
5507  !TAG_IS_AVCI(trk->tag) &&
5508  (par->codec_id != AV_CODEC_ID_DNXHD)) {
5509  trk->vos_len = par->extradata_size;
5511  if (!trk->vos_data) {
5512  ret = AVERROR(ENOMEM);
5513  goto err;
5514  }
5515  memcpy(trk->vos_data, par->extradata, trk->vos_len);
5516  memset(trk->vos_data + trk->vos_len, 0, AV_INPUT_BUFFER_PADDING_SIZE);
5517  }
5518 
5519  if ((par->codec_id == AV_CODEC_ID_DNXHD ||
5520  par->codec_id == AV_CODEC_ID_H264 ||
5521  par->codec_id == AV_CODEC_ID_HEVC ||
5522  par->codec_id == AV_CODEC_ID_TRUEHD ||
5523  par->codec_id == AV_CODEC_ID_AC3) && !trk->vos_len &&
5524  !TAG_IS_AVCI(trk->tag)) {
5525  /* copy frame to create needed atoms */
5526  trk->vos_len = size;
5528  if (!trk->vos_data) {
5529  ret = AVERROR(ENOMEM);
5530  goto err;
5531  }
5532  memcpy(trk->vos_data, pkt->data, size);
5533  memset(trk->vos_data + size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
5534  }
5535 
5536  if (par->codec_id == AV_CODEC_ID_AAC && pkt->size > 2 &&
5537  (AV_RB16(pkt->data) & 0xfff0) == 0xfff0) {
5538  if (!s->streams[pkt->stream_index]->nb_frames) {
5539  av_log(s, AV_LOG_ERROR, "Malformed AAC bitstream detected: "
5540  "use the audio bitstream filter 'aac_adtstoasc' to fix it "
5541  "('-bsf:a aac_adtstoasc' option with ffmpeg)\n");
5542  return -1;
5543  }
5544  av_log(s, AV_LOG_WARNING, "aac bitstream error\n");
5545  }
5546  if (par->codec_id == AV_CODEC_ID_H264 && trk->vos_len > 0 && *(uint8_t *)trk->vos_data != 1 && !TAG_IS_AVCI(trk->tag)) {
5547  /* from x264 or from bytestream H.264 */
5548  /* NAL reformatting needed */
5549  if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
5550  ret = ff_avc_parse_nal_units_buf(pkt->data, &reformatted_data,
5551  &size);
5552  if (ret < 0)
5553  return ret;
5554  avio_write(pb, reformatted_data, size);
5555  } else {
5556  if (trk->cenc.aes_ctr) {
5557  size = ff_mov_cenc_avc_parse_nal_units(&trk->cenc, pb, pkt->data, size);
5558  if (size < 0) {
5559  ret = size;
5560  goto err;
5561  }
5562  } else {
5563  size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
5564  }
5565  }
5566  } else if (par->codec_id == AV_CODEC_ID_HEVC && trk->vos_len > 6 &&
5567  (AV_RB24(trk->vos_data) == 1 || AV_RB32(trk->vos_data) == 1)) {
5568  /* extradata is Annex B, assume the bitstream is too and convert it */
5569  if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
5570  ret = ff_hevc_annexb2mp4_buf(pkt->data, &reformatted_data,
5571  &size, 0, NULL);
5572  if (ret < 0)
5573  return ret;
5574  avio_write(pb, reformatted_data, size);
5575  } else {
5576  size = ff_hevc_annexb2mp4(pb, pkt->data, pkt->size, 0, NULL);
5577  }
5578  } else if (par->codec_id == AV_CODEC_ID_AV1) {
5579  if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
5580  ret = ff_av1_filter_obus_buf(pkt->data, &reformatted_data,
5581  &size, &offset);
5582  if (ret < 0)
5583  return ret;
5584  avio_write(pb, reformatted_data, size);
5585  } else {
5586  size = ff_av1_filter_obus(pb, pkt->data, pkt->size);
5587  }
5588 #if CONFIG_AC3_PARSER
5589  } else if (par->codec_id == AV_CODEC_ID_EAC3) {
5590  size = handle_eac3(mov, pkt, trk);
5591  if (size < 0)
5592  return size;
5593  else if (!size)
5594  goto end;
5595  avio_write(pb, pkt->data, size);
5596 #endif
5597  } else {
5598  if (trk->cenc.aes_ctr) {
5599  if (par->codec_id == AV_CODEC_ID_H264 && par->extradata_size > 4) {
5600  int nal_size_length = (par->extradata[4] & 0x3) + 1;
5601  ret = ff_mov_cenc_avc_write_nal_units(s, &trk->cenc, nal_size_length, pb, pkt->data, size);
5602  } else {
5603  ret = ff_mov_cenc_write_packet(&trk->cenc, pb, pkt->data, size);
5604  }
5605 
5606  if (ret) {
5607  goto err;
5608  }
5609  } else {
5610  avio_write(pb, pkt->data, size);
5611  }
5612  }
5613 
5614  if (trk->entry >= trk->cluster_capacity) {
5615  unsigned new_capacity = trk->entry + MOV_INDEX_CLUSTER_SIZE;
5616  void *cluster = av_realloc_array(trk->cluster, new_capacity, sizeof(*trk->cluster));
5617  if (!cluster) {
5618  ret = AVERROR(ENOMEM);
5619  goto err;
5620  }
5621  trk->cluster = cluster;
5622  trk->cluster_capacity = new_capacity;
5623  }
5624 
5625  trk->cluster[trk->entry].pos = avio_tell(pb) - size;
5626  trk->cluster[trk->entry].samples_in_chunk = samples_in_chunk;
5627  trk->cluster[trk->entry].chunkNum = 0;
5628  trk->cluster[trk->entry].size = size;
5629  trk->cluster[trk->entry].entries = samples_in_chunk;
5630  trk->cluster[trk->entry].dts = pkt->dts;
5631  trk->cluster[trk->entry].pts = pkt->pts;
5632  if (!trk->entry && trk->start_dts != AV_NOPTS_VALUE) {
5633  if (!trk->frag_discont) {
5634  /* First packet of a new fragment. We already wrote the duration
5635  * of the last packet of the previous fragment based on track_duration,
5636  * which might not exactly match our dts. Therefore adjust the dts
5637  * of this packet to be what the previous packets duration implies. */
5638  trk->cluster[trk->entry].dts = trk->start_dts + trk->track_duration;
5639  /* We also may have written the pts and the corresponding duration
5640  * in sidx/tfrf/tfxd tags; make sure the sidx pts and duration match up with
5641  * the next fragment. This means the cts of the first sample must
5642  * be the same in all fragments, unless end_pts was updated by
5643  * the packet causing the fragment to be written. */
5644  if ((mov->flags & FF_MOV_FLAG_DASH &&
5646  mov->mode == MODE_ISM)
5647  pkt->pts = pkt->dts + trk->end_pts - trk->cluster[trk->entry].dts;
5648  } else {
5649  /* New fragment, but discontinuous from previous fragments.
5650  * Pretend the duration sum of the earlier fragments is
5651  * pkt->dts - trk->start_dts. */
5652  trk->frag_start = pkt->dts - trk->start_dts;
5653  trk->end_pts = AV_NOPTS_VALUE;
5654  trk->frag_discont = 0;
5655  }
5656  }
5657 
5658  if (!trk->entry && trk->start_dts == AV_NOPTS_VALUE && !mov->use_editlist &&
5660  /* Not using edit lists and shifting the first track to start from zero.
5661  * If the other streams start from a later timestamp, we won't be able
5662  * to signal the difference in starting time without an edit list.
5663  * Thus move the timestamp for this first sample to 0, increasing
5664  * its duration instead. */
5665  trk->cluster[trk->entry].dts = trk->start_dts = 0;
5666  }
5667  if (trk->start_dts == AV_NOPTS_VALUE) {
5668  trk->start_dts = pkt->dts;
5669  if (trk->frag_discont) {
5670  if (mov->use_editlist) {
5671  /* Pretend the whole stream started at pts=0, with earlier fragments
5672  * already written. If the stream started at pts=0, the duration sum
5673  * of earlier fragments would have been pkt->pts. */
5674  trk->frag_start = pkt->pts;
5675  trk->start_dts = pkt->dts - pkt->pts;
5676  } else {
5677  /* Pretend the whole stream started at dts=0, with earlier fragments
5678  * already written, with a duration summing up to pkt->dts. */
5679  trk->frag_start = pkt->dts;
5680  trk->start_dts = 0;
5681  }
5682  trk->frag_discont = 0;
5683  } else if (pkt->dts && mov->moov_written)
5685  "Track %d starts with a nonzero dts %"PRId64", while the moov "
5686  "already has been written. Set the delay_moov flag to handle "
5687  "this case.\n",
5688  pkt->stream_index, pkt->dts);
5689  }
5690  trk->track_duration = pkt->dts - trk->start_dts + pkt->duration;
5691  trk->last_sample_is_subtitle_end = 0;
5692 
5693  if (pkt->pts == AV_NOPTS_VALUE) {
5694  av_log(s, AV_LOG_WARNING, "pts has no value\n");
5695  pkt->pts = pkt->dts;
5696  }
5697  if (pkt->dts != pkt->pts)
5698  trk->flags |= MOV_TRACK_CTTS;
5699  trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
5700  trk->cluster[trk->entry].flags = 0;
5701  if (trk->start_cts == AV_NOPTS_VALUE)
5702  trk->start_cts = pkt->pts - pkt->dts;
5703  if (trk->end_pts == AV_NOPTS_VALUE)
5704  trk->end_pts = trk->cluster[trk->entry].dts +
5705  trk->cluster[trk->entry].cts + pkt->duration;
5706  else
5707  trk->end_pts = FFMAX(trk->end_pts, trk->cluster[trk->entry].dts +
5708  trk->cluster[trk->entry].cts +
5709  pkt->duration);
5710 
5711  if (par->codec_id == AV_CODEC_ID_VC1) {
5712  mov_parse_vc1_frame(pkt, trk);
5713  } else if (par->codec_id == AV_CODEC_ID_TRUEHD) {
5714  mov_parse_truehd_frame(pkt, trk);
5715  } else if (pkt->flags & AV_PKT_FLAG_KEY) {
5716  if (mov->mode == MODE_MOV && par->codec_id == AV_CODEC_ID_MPEG2VIDEO &&
5717  trk->entry > 0) { // force sync sample for the first key frame
5718  mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
5719  if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
5720  trk->flags |= MOV_TRACK_STPS;
5721  } else {
5722  trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
5723  }
5724  if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
5725  trk->has_keyframes++;
5726  }
5727  if (pkt->flags & AV_PKT_FLAG_DISPOSABLE) {
5728  trk->cluster[trk->entry].flags |= MOV_DISPOSABLE_SAMPLE;
5729  trk->has_disposable++;
5730  }
5731 
5733  if (prft && prft_size == sizeof(AVProducerReferenceTime))
5734  memcpy(&trk->cluster[trk->entry].prft, prft, prft_size);
5735  else
5736  memset(&trk->cluster[trk->entry].prft, 0, sizeof(AVProducerReferenceTime));
5737 
5738  trk->entry++;
5739  trk->sample_count += samples_in_chunk;
5740  mov->mdat_size += size;
5741 
5742  if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
5743  ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry,
5744  reformatted_data ? reformatted_data + offset
5745  : NULL, size);
5746 
5747 end:
5748 err:
5749 
5750  if (pkt->data != reformatted_data)
5751  av_free(reformatted_data);
5752  return ret;
5753 }
5754 
5756 {
5757  MOVMuxContext *mov = s->priv_data;
5758  MOVTrack *trk = &mov->tracks[pkt->stream_index];
5759  AVCodecParameters *par = trk->par;
5760  int64_t frag_duration = 0;
5761  int size = pkt->size;
5762 
5763  int ret = check_pkt(s, pkt);
5764  if (ret < 0)
5765  return ret;
5766 
5767  if (mov->flags & FF_MOV_FLAG_FRAG_DISCONT) {
5768  int i;
5769  for (i = 0; i < s->nb_streams; i++)
5770  mov->tracks[i].frag_discont = 1;
5772  }
5773 
5775  if (trk->dts_shift == AV_NOPTS_VALUE)
5776  trk->dts_shift = pkt->pts - pkt->dts;
5777  pkt->dts += trk->dts_shift;
5778  }
5779 
5780  if (trk->par->codec_id == AV_CODEC_ID_MP4ALS ||
5781  trk->par->codec_id == AV_CODEC_ID_AAC ||
5782  trk->par->codec_id == AV_CODEC_ID_AV1 ||
5783  trk->par->codec_id == AV_CODEC_ID_FLAC) {
5784  int side_size = 0;
5785  uint8_t *side = av_packet_get_side_data(pkt, AV_PKT_DATA_NEW_EXTRADATA, &side_size);
5786  if (side && side_size > 0 && (side_size != par->extradata_size || memcmp(side, par->extradata, side_size))) {
5787  void *newextra = av_mallocz(side_size + AV_INPUT_BUFFER_PADDING_SIZE);
5788  if (!newextra)
5789  return AVERROR(ENOMEM);
5790  av_free(par->extradata);
5791  par->extradata = newextra;
5792  memcpy(par->extradata, side, side_size);
5793  par->extradata_size = side_size;
5794  if (!pkt->size) // Flush packet
5795  mov->need_rewrite_extradata = 1;
5796  }
5797  }
5798 
5799  if (!pkt->size) {
5800  if (trk->start_dts == AV_NOPTS_VALUE && trk->frag_discont) {
5801  trk->start_dts = pkt->dts;
5802  if (pkt->pts != AV_NOPTS_VALUE)
5803  trk->start_cts = pkt->pts - pkt->dts;
5804  else
5805  trk->start_cts = 0;
5806  }
5807 
5808  return 0; /* Discard 0 sized packets */
5809  }
5810 
5811  if (trk->entry && pkt->stream_index < s->nb_streams)
5812  frag_duration = av_rescale_q(pkt->dts - trk->cluster[0].dts,
5813  s->streams[pkt->stream_index]->time_base,
5814  AV_TIME_BASE_Q);
5815  if ((mov->max_fragment_duration &&
5816  frag_duration >= mov->max_fragment_duration) ||
5817  (mov->max_fragment_size && mov->mdat_size + size >= mov->max_fragment_size) ||
5818  (mov->flags & FF_MOV_FLAG_FRAG_KEYFRAME &&
5819  par->codec_type == AVMEDIA_TYPE_VIDEO &&
5820  trk->entry && pkt->flags & AV_PKT_FLAG_KEY) ||
5822  if (frag_duration >= mov->min_fragment_duration) {
5823  // Set the duration of this track to line up with the next
5824  // sample in this track. This avoids relying on AVPacket
5825  // duration, but only helps for this particular track, not
5826  // for the other ones that are flushed at the same time.
5827  trk->track_duration = pkt->dts - trk->start_dts;
5828  if (pkt->pts != AV_NOPTS_VALUE)
5829  trk->end_pts = pkt->pts;
5830  else
5831  trk->end_pts = pkt->dts;
5832  trk->end_reliable = 1;
5834  }
5835  }
5836 
5837  return ff_mov_write_packet(s, pkt);
5838 }
5839 
5841  int stream_index,
5842  int64_t dts) {
5843  AVPacket end;
5844  uint8_t data[2] = {0};
5845  int ret;
5846 
5847  av_init_packet(&end);
5848  end.size = sizeof(data);
5849  end.data = data;
5850  end.pts = dts;
5851  end.dts = dts;
5852  end.duration = 0;
5853  end.stream_index = stream_index;
5854 
5855  ret = mov_write_single_packet(s, &end);
5856  av_packet_unref(&end);
5857 
5858  return ret;
5859 }
5860 
5862 {
5863  MOVMuxContext *mov = s->priv_data;
5864  MOVTrack *trk;
5865 
5866  if (!pkt) {
5867  mov_flush_fragment(s, 1);
5868  return 1;
5869  }
5870 
5871  trk = &mov->tracks[pkt->stream_index];
5872 
5873  if (is_cover_image(trk->st)) {
5874  int ret;
5875 
5876  if (trk->st->nb_frames >= 1) {
5877  if (trk->st->nb_frames == 1)
5878  av_log(s, AV_LOG_WARNING, "Got more than one picture in stream %d,"
5879  " ignoring.\n", pkt->stream_index);
5880  return 0;
5881  }
5882 
5883  if ((ret = av_packet_ref(&trk->cover_image, pkt)) < 0)
5884  return ret;
5885 
5886  return 0;
5887  } else {
5888  int i;
5889 
5890  if (!pkt->size)
5891  return mov_write_single_packet(s, pkt); /* Passthrough. */
5892 
5893  /*
5894  * Subtitles require special handling.
5895  *
5896  * 1) For full complaince, every track must have a sample at
5897  * dts == 0, which is rarely true for subtitles. So, as soon
5898  * as we see any packet with dts > 0, write an empty subtitle
5899  * at dts == 0 for any subtitle track with no samples in it.
5900  *
5901  * 2) For each subtitle track, check if the current packet's
5902  * dts is past the duration of the last subtitle sample. If
5903  * so, we now need to write an end sample for that subtitle.
5904  *
5905  * This must be done conditionally to allow for subtitles that
5906  * immediately replace each other, in which case an end sample
5907  * is not needed, and is, in fact, actively harmful.
5908  *
5909  * 3) See mov_write_trailer for how the final end sample is
5910  * handled.
5911  */
5912  for (i = 0; i < mov->nb_streams; i++) {
5913  MOVTrack *trk = &mov->tracks[i];
5914  int ret;
5915 
5916  if (trk->par->codec_id == AV_CODEC_ID_MOV_TEXT &&
5917  trk->track_duration < pkt->dts &&
5918  (trk->entry == 0 || !trk->last_sample_is_subtitle_end)) {
5920  if (ret < 0) return ret;
5921  trk->last_sample_is_subtitle_end = 1;
5922  }
5923  }
5924 
5925  if (trk->mode == MODE_MOV && trk->par->codec_type == AVMEDIA_TYPE_VIDEO) {
5926  AVPacket *opkt = pkt;
5927  int reshuffle_ret, ret;
5928  if (trk->is_unaligned_qt_rgb) {
5929  int64_t bpc = trk->par->bits_per_coded_sample != 15 ? trk->par->bits_per_coded_sample : 16;
5930  int expected_stride = ((trk->par->width * bpc + 15) >> 4)*2;
5931  reshuffle_ret = ff_reshuffle_raw_rgb(s, &pkt, trk->par, expected_stride);
5932  if (reshuffle_ret < 0)
5933  return reshuffle_ret;
5934  } else
5935  reshuffle_ret = 0;
5936  if (trk->par->format == AV_PIX_FMT_PAL8 && !trk->pal_done) {
5937  ret = ff_get_packet_palette(s, opkt, reshuffle_ret, trk->palette);
5938  if (ret < 0)
5939  goto fail;
5940  if (ret)
5941  trk->pal_done++;
5942  } else if (trk->par->codec_id == AV_CODEC_ID_RAWVIDEO &&
5943  (trk->par->format == AV_PIX_FMT_GRAY8 ||
5944  trk->par->format == AV_PIX_FMT_MONOBLACK)) {
5945  for (i = 0; i < pkt->size; i++)
5946  pkt->data[i] = ~pkt->data[i];
5947  }
5948  if (reshuffle_ret) {
5949  ret = mov_write_single_packet(s, pkt);
5950 fail:
5951  if (reshuffle_ret)
5952  av_packet_free(&pkt);
5953  return ret;
5954  }
5955  }
5956 
5957  return mov_write_single_packet(s, pkt);
5958  }
5959 }
5960 
5961 // QuickTime chapters involve an additional text track with the chapter names
5962 // as samples, and a tref pointing from the other tracks to the chapter one.
5963 static int mov_create_chapter_track(AVFormatContext *s, int tracknum)
5964 {
5965  AVIOContext *pb;
5966 
5967  MOVMuxContext *mov = s->priv_data;
5968  MOVTrack *track = &mov->tracks[tracknum];
5969  AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
5970  int i, len;
5971 
5972  track->mode = mov->mode;
5973  track->tag = MKTAG('t','e','x','t');
5974  track->timescale = MOV_TIMESCALE;
5975  track->par = avcodec_parameters_alloc();
5976  if (!track->par)
5977  return AVERROR(ENOMEM);
5979 #if 0
5980  // These properties are required to make QT recognize the chapter track
5981  uint8_t chapter_properties[43] = { 0, 0, 0, 0, 0, 0, 0, 1, };
5982  if (ff_alloc_extradata(track->par, sizeof(chapter_properties)))
5983  return AVERROR(ENOMEM);
5984  memcpy(track->par->extradata, chapter_properties, sizeof(chapter_properties));
5985 #else
5986  if (avio_open_dyn_buf(&pb) >= 0) {
5987  int size;
5988  uint8_t *buf;
5989 
5990  /* Stub header (usually for Quicktime chapter track) */
5991  // TextSampleEntry
5992  avio_wb32(pb, 0x01); // displayFlags
5993  avio_w8(pb, 0x00); // horizontal justification
5994  avio_w8(pb, 0x00); // vertical justification
5995  avio_w8(pb, 0x00); // bgColourRed
5996  avio_w8(pb, 0x00); // bgColourGreen
5997  avio_w8(pb, 0x00); // bgColourBlue
5998  avio_w8(pb, 0x00); // bgColourAlpha
5999  // BoxRecord
6000  avio_wb16(pb, 0x00); // defTextBoxTop
6001  avio_wb16(pb, 0x00); // defTextBoxLeft
6002  avio_wb16(pb, 0x00); // defTextBoxBottom
6003  avio_wb16(pb, 0x00); // defTextBoxRight
6004  // StyleRecord
6005  avio_wb16(pb, 0x00); // startChar
6006  avio_wb16(pb, 0x00); // endChar
6007  avio_wb16(pb, 0x01); // fontID
6008  avio_w8(pb, 0x00); // fontStyleFlags
6009  avio_w8(pb, 0x00); // fontSize
6010  avio_w8(pb, 0x00); // fgColourRed
6011  avio_w8(pb, 0x00); // fgColourGreen
6012  avio_w8(pb, 0x00); // fgColourBlue
6013  avio_w8(pb, 0x00); // fgColourAlpha
6014  // FontTableBox
6015  avio_wb32(pb, 0x0D); // box size
6016  ffio_wfourcc(pb, "ftab"); // box atom name
6017  avio_wb16(pb, 0x01); // entry count
6018  // FontRecord
6019  avio_wb16(pb, 0x01); // font ID
6020  avio_w8(pb, 0x00); // font name length
6021 
6022  if ((size = avio_close_dyn_buf(pb, &buf)) > 0) {
6023  track->par->extradata = buf;
6024  track->par->extradata_size = size;
6025  } else {
6026  av_freep(&buf);
6027  }
6028  }
6029 #endif
6030 
6031  for (i = 0; i < s->nb_chapters; i++) {
6032  AVChapter *c = s->chapters[i];
6033  AVDictionaryEntry *t;
6034 
6035  int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
6036  pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
6037  pkt.duration = end - pkt.dts;
6038 
6039  if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
6040  static const char encd[12] = {
6041  0x00, 0x00, 0x00, 0x0C,
6042  'e', 'n', 'c', 'd',
6043  0x00, 0x00, 0x01, 0x00 };
6044  len = strlen(t->value);
6045  pkt.size = len + 2 + 12;
6046  pkt.data = av_malloc(pkt.size);
6047  if (!pkt.data)
6048  return AVERROR(ENOMEM);
6049  AV_WB16(pkt.data, len);
6050  memcpy(pkt.data + 2, t->value, len);
6051  memcpy(pkt.data + len + 2, encd, sizeof(encd));
6052  ff_mov_write_packet(s, &pkt);
6053  av_freep(&pkt.data);
6054  }
6055  }
6056 
6057  return 0;
6058 }
6059 
6060 
6061 static int mov_check_timecode_track(AVFormatContext *s, AVTimecode *tc, int src_index, const char *tcstr)
6062 {
6063  int ret;
6064 
6065  /* compute the frame number */
6066  ret = av_timecode_init_from_string(tc, find_fps(s, s->streams[src_index]), tcstr, s);
6067  return ret;
6068 }
6069 
6071 {
6072  int ret;
6073  MOVMuxContext *mov = s->priv_data;
6074  MOVTrack *track = &mov->tracks[index];
6075  AVStream *src_st = s->streams[src_index];
6076  AVPacket pkt = {.stream_index = index, .flags = AV_PKT_FLAG_KEY, .size = 4};
6077  AVRational rate = find_fps(s, src_st);
6078 
6079  /* tmcd track based on video stream */
6080  track->mode = mov->mode;
6081  track->tag = MKTAG('t','m','c','d');
6082  track->src_track = src_index;
6083  track->timescale = mov->tracks[src_index].timescale;
6086 
6087  /* set st to src_st for metadata access*/
6088  track->st = src_st;
6089 
6090  /* encode context: tmcd data stream */
6091  track->par = avcodec_parameters_alloc();
6092  if (!track->par)
6093  return AVERROR(ENOMEM);
6094  track->par->codec_type = AVMEDIA_TYPE_DATA;
6095  track->par->codec_tag = track->tag;
6096  track->st->avg_frame_rate = av_inv_q(rate);
6097 
6098  /* the tmcd track just contains one packet with the frame number */
6099  pkt.data = av_malloc(pkt.size);
6100  if (!pkt.data)
6101  return AVERROR(ENOMEM);
6102  AV_WB32(pkt.data, tc.start);
6103  ret = ff_mov_write_packet(s, &pkt);
6104  av_free(pkt.data);
6105  return ret;
6106 }
6107 
6108 /*
6109  * st->disposition controls the "enabled" flag in the tkhd tag.
6110  * QuickTime will not play a track if it is not enabled. So make sure
6111  * that one track of each type (audio, video, subtitle) is enabled.
6112  *
6113  * Subtitles are special. For audio and video, setting "enabled" also
6114  * makes the track "default" (i.e. it is rendered when played). For
6115  * subtitles, an "enabled" subtitle is not rendered by default, but
6116  * if no subtitle is enabled, the subtitle menu in QuickTime will be
6117  * empty!
6118  */
6120 {
6121  MOVMuxContext *mov = s->priv_data;
6122  int i;
6123  int enabled[AVMEDIA_TYPE_NB];
6124  int first[AVMEDIA_TYPE_NB];
6125 
6126  for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
6127  enabled[i] = 0;
6128  first[i] = -1;
6129  }
6130 
6131  for (i = 0; i < s->nb_streams; i++) {
6132  AVStream *st = s->streams[i];
6133 
6135  st->codecpar->codec_type >= AVMEDIA_TYPE_NB ||
6136  is_cover_image(st))
6137  continue;
6138 
6139  if (first[st->codecpar->codec_type] < 0)
6140  first[st->codecpar->codec_type] = i;
6141  if (st->disposition & AV_DISPOSITION_DEFAULT) {
6142  mov->tracks[i].flags |= MOV_TRACK_ENABLED;
6143  enabled[st->codecpar->codec_type]++;
6144  }
6145  }
6146 
6147  for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
6148  switch (i) {
6149  case AVMEDIA_TYPE_VIDEO:
6150  case AVMEDIA_TYPE_AUDIO:
6151  case AVMEDIA_TYPE_SUBTITLE:
6152  if (enabled[i] > 1)
6153  mov->per_stream_grouping = 1;
6154  if (!enabled[i] && first[i] >= 0)
6155  mov->tracks[first[i]].flags |= MOV_TRACK_ENABLED;
6156  break;
6157  }
6158  }
6159 }
6160 
6162 {
6163  MOVMuxContext *mov = s->priv_data;
6164  int i;
6165 
6166  if (!mov->tracks)
6167  return;
6168 
6169  if (mov->chapter_track) {
6170  if (mov->tracks[mov->chapter_track].par)
6171  av_freep(&mov->tracks[mov->chapter_track].par->extradata);
6172  av_freep(&mov->tracks[mov->chapter_track].par);
6173  }
6174 
6175  for (i = 0; i < mov->nb_streams; i++) {
6176  if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
6177  ff_mov_close_hinting(&mov->tracks[i]);
6178  else if (mov->tracks[i].tag == MKTAG('t','m','c','d') && mov->nb_meta_tmcd)
6179  av_freep(&mov->tracks[i].par);
6180  av_freep(&mov->tracks[i].cluster);
6181  av_freep(&mov->tracks[i].frag_info);
6183 
6184  if (mov->tracks[i].eac3_priv) {
6185  struct eac3_info *info = mov->tracks[i].eac3_priv;
6186  av_packet_unref(&info->pkt);
6187  av_freep(&mov->tracks[i].eac3_priv);
6188  }
6189  if (mov->tracks[i].vos_len)
6190  av_freep(&mov->tracks[i].vos_data);
6191 
6192  ff_mov_cenc_free(&mov->tracks[i].cenc);
6193  ffio_free_dyn_buf(&mov->tracks[i].mdat_buf);
6194  }
6195 
6196  av_freep(&mov->tracks);
6197  ffio_free_dyn_buf(&mov->mdat_buf);
6198 }
6199 
6200 static uint32_t rgb_to_yuv(uint32_t rgb)
6201 {
6202  uint8_t r, g, b;
6203  int y, cb, cr;
6204 
6205  r = (rgb >> 16) & 0xFF;
6206  g = (rgb >> 8) & 0xFF;
6207  b = (rgb ) & 0xFF;
6208 
6209  y = av_clip_uint8(( 16000 + 257 * r + 504 * g + 98 * b)/1000);
6210  cb = av_clip_uint8((128000 - 148 * r - 291 * g + 439 * b)/1000);
6211  cr = av_clip_uint8((128000 + 439 * r - 368 * g - 71 * b)/1000);
6212 
6213  return (y << 16) | (cr << 8) | cb;
6214 }
6215 
6217  AVStream *st)
6218 {
6219  int i, width = 720, height = 480;
6220  int have_palette = 0, have_size = 0;
6221  uint32_t palette[16];
6222  char *cur = st->codecpar->extradata;
6223 
6224  while (cur && *cur) {
6225  if (strncmp("palette:", cur, 8) == 0) {
6226  int i, count;
6227  count = sscanf(cur + 8,
6228  "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
6229  "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
6230  "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
6231  "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32"",
6232  &palette[ 0], &palette[ 1], &palette[ 2], &palette[ 3],
6233  &palette[ 4], &palette[ 5], &palette[ 6], &palette[ 7],
6234  &palette[ 8], &palette[ 9], &palette[10], &palette[11],
6235  &palette[12], &palette[13], &palette[14], &palette[15]);
6236 
6237  for (i = 0; i < count; i++) {
6238  palette[i] = rgb_to_yuv(palette[i]);
6239  }
6240  have_palette = 1;
6241  } else if (!strncmp("size:", cur, 5)) {
6242  sscanf(cur + 5, "%dx%d", &width, &height);
6243  have_size = 1;
6244  }
6245  if (have_palette && have_size)
6246  break;
6247  cur += strcspn(cur, "\n\r");
6248  cur += strspn(cur, "\n\r");
6249  }
6250  if (have_palette) {
6252  if (!track->vos_data)
6253  return AVERROR(ENOMEM);
6254  for (i = 0; i < 16; i++) {
6255  AV_WB32(track->vos_data + i * 4, palette[i]);
6256  }
6257  memset(track->vos_data + 16*4, 0, AV_INPUT_BUFFER_PADDING_SIZE);
6258  track->vos_len = 16 * 4;
6259  }
6260  st->codecpar->width = width;
6261  st->codecpar->height = track->height = height;
6262 
6263  return 0;
6264 }
6265 
6267 {
6268  MOVMuxContext *mov = s->priv_data;
6269  AVDictionaryEntry *global_tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
6270  int i, ret;
6271 
6272  mov->fc = s;
6273 
6274  /* Default mode == MP4 */
6275  mov->mode = MODE_MP4;
6276 
6277  if (s->oformat) {
6278  if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
6279  else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
6280  else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
6281  else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
6282  else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
6283  else if (!strcmp("ismv",s->oformat->name)) mov->mode = MODE_ISM;
6284  else if (!strcmp("f4v", s->oformat->name)) mov->mode = MODE_F4V;
6285  }
6286 
6287  if (mov->flags & FF_MOV_FLAG_DELAY_MOOV)
6288  mov->flags |= FF_MOV_FLAG_EMPTY_MOOV;
6289 
6290  /* Set the FRAGMENT flag if any of the fragmentation methods are
6291  * enabled. */
6292  if (mov->max_fragment_duration || mov->max_fragment_size ||
6293  mov->flags & (FF_MOV_FLAG_EMPTY_MOOV |
6297  mov->flags |= FF_MOV_FLAG_FRAGMENT;
6298 
6299  /* Set other implicit flags immediately */
6300  if (mov->mode == MODE_ISM)
6303  if (mov->flags & FF_MOV_FLAG_DASH)
6306  if (mov->flags & FF_MOV_FLAG_CMAF)
6309 
6311  av_log(s, AV_LOG_VERBOSE, "Empty MOOV enabled; disabling automatic bitstream filtering\n");
6312  s->flags &= ~AVFMT_FLAG_AUTO_BSF;
6313  }
6314 
6316  av_log(s, AV_LOG_WARNING, "Global SIDX enabled; Ignoring skip_sidx option\n");
6317  mov->flags &= ~FF_MOV_FLAG_SKIP_SIDX;
6318  }
6319 
6320  if (mov->flags & FF_MOV_FLAG_FASTSTART) {
6321  mov->reserved_moov_size = -1;
6322  }
6323 
6324  if (mov->use_editlist < 0) {
6325  mov->use_editlist = 1;
6326  if (mov->flags & FF_MOV_FLAG_FRAGMENT &&
6327  !(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
6328  // If we can avoid needing an edit list by shifting the
6329  // tracks, prefer that over (trying to) write edit lists
6330  // in fragmented output.
6333  mov->use_editlist = 0;
6334  }
6335  if (mov->flags & FF_MOV_FLAG_CMAF) {
6336  // CMAF Track requires negative cts offsets without edit lists
6337  mov->use_editlist = 0;
6338  }
6339  }
6340  if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV &&
6341  !(mov->flags & FF_MOV_FLAG_DELAY_MOOV) && mov->use_editlist)
6342  av_log(s, AV_LOG_WARNING, "No meaningful edit list will be written when using empty_moov without delay_moov\n");
6343 
6344  if (mov->flags & FF_MOV_FLAG_CMAF && mov->use_editlist) {
6345  av_log(s, AV_LOG_WARNING, "Edit list enabled; Assuming writing CMAF Track File\n");
6347  }
6351 
6352  /* Clear the omit_tfhd_offset flag if default_base_moof is set;
6353  * if the latter is set that's enough and omit_tfhd_offset doesn't
6354  * add anything extra on top of that. */
6355  if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET &&
6358 
6359  if (mov->frag_interleave &&
6361  av_log(s, AV_LOG_ERROR,
6362  "Sample interleaving in fragments is mutually exclusive with "
6363  "omit_tfhd_offset and separate_moof\n");
6364  return AVERROR(EINVAL);
6365  }
6366 
6367  /* Non-seekable output is ok if using fragmentation. If ism_lookahead
6368  * is enabled, we don't support non-seekable output at all. */
6369  if (!(s->pb->seekable & AVIO_SEEKABLE_NORMAL) &&
6370  (!(mov->flags & FF_MOV_FLAG_FRAGMENT) || mov->ism_lookahead)) {
6371  av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
6372  return AVERROR(EINVAL);
6373  }
6374 
6375  mov->nb_streams = s->nb_streams;
6376  if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters)
6377  mov->chapter_track = mov->nb_streams++;
6378 
6379  if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
6380  for (i = 0; i < s->nb_streams; i++)
6381  if (rtp_hinting_needed(s->streams[i]))
6382  mov->nb_streams++;
6383  }
6384 
6385  if ( mov->write_tmcd == -1 && (mov->mode == MODE_MOV || mov->mode == MODE_MP4)
6386  || mov->write_tmcd == 1) {
6387  /* +1 tmcd track for each video stream with a timecode */
6388  for (i = 0; i < s->nb_streams; i++) {
6389  AVStream *st = s->streams[i];
6390  AVDictionaryEntry *t = global_tcr;
6391  if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO &&
6392  (t || (t=av_dict_get(st->metadata, "timecode", NULL, 0)))) {
6393  AVTimecode tc;
6394  ret = mov_check_timecode_track(s, &tc, i, t->value);
6395  if (ret >= 0)
6396  mov->nb_meta_tmcd++;
6397  }
6398  }
6399 
6400  /* check if there is already a tmcd track to remux */
6401  if (mov->nb_meta_tmcd) {
6402  for (i = 0; i < s->nb_streams; i++) {
6403  AVStream *st = s->streams[i];
6404  if (st->codecpar->codec_tag == MKTAG('t','m','c','d')) {
6405  av_log(s, AV_LOG_WARNING, "You requested a copy of the original timecode track "
6406  "so timecode metadata are now ignored\n");
6407  mov->nb_meta_tmcd = 0;
6408  }
6409  }
6410  }
6411 
6412  mov->nb_streams += mov->nb_meta_tmcd;
6413  }
6414 
6415  // Reserve an extra stream for chapters for the case where chapters
6416  // are written in the trailer
6417  mov->tracks = av_mallocz_array((mov->nb_streams + 1), sizeof(*mov->tracks));
6418  if (!mov->tracks)
6419  return AVERROR(ENOMEM);
6420 
6421  if (mov->encryption_scheme_str != NULL && strcmp(mov->encryption_scheme_str, "none") != 0) {
6422  if (strcmp(mov->encryption_scheme_str, "cenc-aes-ctr") == 0) {
6424 
6425  if (mov->encryption_key_len != AES_CTR_KEY_SIZE) {
6426  av_log(s, AV_LOG_ERROR, "Invalid encryption key len %d expected %d\n",
6428  return AVERROR(EINVAL);
6429  }
6430 
6431  if (mov->encryption_kid_len != CENC_KID_SIZE) {
6432  av_log(s, AV_LOG_ERROR, "Invalid encryption kid len %d expected %d\n",
6434  return AVERROR(EINVAL);
6435  }
6436  } else {
6437  av_log(s, AV_LOG_ERROR, "unsupported encryption scheme %s\n",
6438  mov->encryption_scheme_str);
6439  return AVERROR(EINVAL);
6440  }
6441  }
6442 
6443  for (i = 0; i < s->nb_streams; i++) {
6444  AVStream *st= s->streams[i];
6445  MOVTrack *track= &mov->tracks[i];
6446  AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
6447 
6448  track->st = st;
6449  track->par = st->codecpar;
6450  track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
6451  if (track->language < 0)
6452  track->language = 32767; // Unspecified Macintosh language code
6453  track->mode = mov->mode;
6454  track->tag = mov_find_codec_tag(s, track);
6455  if (!track->tag) {
6456  av_log(s, AV_LOG_ERROR, "Could not find tag for codec %s in stream #%d, "
6457  "codec not currently supported in container\n",
6459  return AVERROR(EINVAL);
6460  }
6461  /* If hinting of this track is enabled by a later hint track,
6462  * this is updated. */
6463  track->hint_track = -1;
6464  track->start_dts = AV_NOPTS_VALUE;
6465  track->start_cts = AV_NOPTS_VALUE;
6466  track->end_pts = AV_NOPTS_VALUE;
6467  track->dts_shift = AV_NOPTS_VALUE;
6468  if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
6469  if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
6470  track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
6471  track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
6472  if (st->codecpar->width != 720 || (st->codecpar->height != 608 && st->codecpar->height != 512)) {
6473  av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
6474  return AVERROR(EINVAL);
6475  }
6476  track->height = track->tag >> 24 == 'n' ? 486 : 576;
6477  }
6478  if (mov->video_track_timescale) {
6479  track->timescale = mov->video_track_timescale;
6480  if (mov->mode == MODE_ISM && mov->video_track_timescale != 10000000)
6481  av_log(s, AV_LOG_WARNING, "Warning: some tools, like mp4split, assume a timescale of 10000000 for ISMV.\n");
6482  } else {
6483  track->timescale = st->time_base.den;
6484  while(track->timescale < 10000)
6485  track->timescale *= 2;
6486  }
6487  if (st->codecpar->width > 65535 || st->codecpar->height > 65535) {
6488  av_log(s, AV_LOG_ERROR, "Resolution %dx%d too large for mov/mp4\n", st->codecpar->width, st->codecpar->height);
6489  return AVERROR(EINVAL);
6490  }
6491  if (track->mode == MODE_MOV && track->timescale > 100000)
6493  "WARNING codec timebase is very high. If duration is too long,\n"
6494  "file may not be playable by quicktime. Specify a shorter timebase\n"
6495  "or choose different container.\n");
6496  if (track->mode == MODE_MOV &&
6497  track->par->codec_id == AV_CODEC_ID_RAWVIDEO &&
6498  track->tag == MKTAG('r','a','w',' ')) {
6499  enum AVPixelFormat pix_fmt = track->par->format;
6500  if (pix_fmt == AV_PIX_FMT_NONE && track->par->bits_per_coded_sample == 1)
6501  pix_fmt = AV_PIX_FMT_MONOWHITE;
6502  track->is_unaligned_qt_rgb =
6503  pix_fmt == AV_PIX_FMT_RGB24 ||
6504  pix_fmt == AV_PIX_FMT_BGR24 ||
6505  pix_fmt == AV_PIX_FMT_PAL8 ||
6506  pix_fmt == AV_PIX_FMT_GRAY8 ||
6507  pix_fmt == AV_PIX_FMT_MONOWHITE ||
6508  pix_fmt == AV_PIX_FMT_MONOBLACK;
6509  }
6510  if (track->par->codec_id == AV_CODEC_ID_VP9 ||
6511  track->par->codec_id == AV_CODEC_ID_AV1) {
6512  if (track->mode != MODE_MP4) {
6513  av_log(s, AV_LOG_ERROR, "%s only supported in MP4.\n", avcodec_get_name(track->par->codec_id));
6514  return AVERROR(EINVAL);
6515  }
6516  } else if (track->par->codec_id == AV_CODEC_ID_VP8) {
6517  /* altref frames handling is not defined in the spec as of version v1.0,
6518  * so just forbid muxing VP8 streams altogether until a new version does */
6519  av_log(s, AV_LOG_ERROR, "VP8 muxing is currently not supported.\n");
6520  return AVERROR_PATCHWELCOME;
6521  }
6522  } else if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
6523  track->timescale = st->codecpar->sample_rate;
6525  av_log(s, AV_LOG_WARNING, "track %d: codec frame size is not set\n", i);
6526  track->audio_vbr = 1;
6527  }else if (st->codecpar->codec_id == AV_CODEC_ID_ADPCM_MS ||
6530  if (!st->codecpar->block_align) {
6531  av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set for adpcm\n", i);
6532  return AVERROR(EINVAL);
6533  }
6534  track->sample_size = st->codecpar->block_align;
6535  }else if (st->codecpar->frame_size > 1){ /* assume compressed audio */
6536  track->audio_vbr = 1;
6537  }else{
6539  }
6540  if (st->codecpar->codec_id == AV_CODEC_ID_ILBC ||
6542  track->audio_vbr = 1;
6543  }
6544  if (track->mode != MODE_MOV &&
6545  track->par->codec_id == AV_CODEC_ID_MP3 && track->timescale < 16000) {
6547  av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not standard, to mux anyway set strict to -1\n",
6548  i, track->par->sample_rate);
6549  return AVERROR(EINVAL);
6550  } else {
6551  av_log(s, AV_LOG_WARNING, "track %d: muxing mp3 at %dhz is not standard in MP4\n",
6552  i, track->par->sample_rate);
6553  }
6554  }
6555  if (track->par->codec_id == AV_CODEC_ID_FLAC ||
6556  track->par->codec_id == AV_CODEC_ID_TRUEHD ||
6557  track->par->codec_id == AV_CODEC_ID_OPUS) {
6558  if (track->mode != MODE_MP4) {
6559  av_log(s, AV_LOG_ERROR, "%s only supported in MP4.\n", avcodec_get_name(track->par->codec_id));
6560  return AVERROR(EINVAL);
6561  }
6562  if (track->par->codec_id != AV_CODEC_ID_OPUS &&
6564  av_log(s, AV_LOG_ERROR,
6565  "%s in MP4 support is experimental, add "
6566  "'-strict %d' if you want to use it.\n",
6568  return AVERROR_EXPERIMENTAL;
6569  }
6570  }
6571  } else if (st->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE) {
6572  track->timescale = st->time_base.den;
6573  } else if (st->codecpar->codec_type == AVMEDIA_TYPE_DATA) {
6574  track->timescale = st->time_base.den;
6575  } else {
6576  track->timescale = MOV_TIMESCALE;
6577  }
6578  if (!track->height)
6579  track->height = st->codecpar->height;
6580  /* The Protected Interoperable File Format (PIFF) standard, used by ISMV recommends but
6581  doesn't mandate a track timescale of 10,000,000. The muxer allows a custom timescale
6582  for video tracks, so if user-set, it isn't overwritten */
6583  if (mov->mode == MODE_ISM &&
6586  track->timescale = 10000000;
6587  }
6588 
6589  avpriv_set_pts_info(st, 64, 1, track->timescale);
6590 
6592  ret = ff_mov_cenc_init(&track->cenc, mov->encryption_key,
6594  if (ret)
6595  return ret;
6596  }
6597  }
6598 
6599  enable_tracks(s);
6600  return 0;
6601 }
6602 
6604 {
6605  AVIOContext *pb = s->pb;
6606  MOVMuxContext *mov = s->priv_data;
6607  AVDictionaryEntry *t, *global_tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
6608  int i, ret, hint_track = 0, tmcd_track = 0, nb_tracks = s->nb_streams;
6609 
6610  if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters)
6611  nb_tracks++;
6612 
6613  if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
6614  hint_track = nb_tracks;
6615  for (i = 0; i < s->nb_streams; i++)
6616  if (rtp_hinting_needed(s->streams[i]))
6617  nb_tracks++;
6618  }
6619 
6620  if (mov->nb_meta_tmcd)
6621  tmcd_track = nb_tracks;
6622 
6623  for (i = 0; i < s->nb_streams; i++) {
6624  int j;
6625  AVStream *st= s->streams[i];
6626  MOVTrack *track= &mov->tracks[i];
6627 
6628  /* copy extradata if it exists */
6629  if (st->codecpar->extradata_size) {
6632  else if (!TAG_IS_AVCI(track->tag) && st->codecpar->codec_id != AV_CODEC_ID_DNXHD) {
6633  track->vos_len = st->codecpar->extradata_size;
6635  if (!track->vos_data) {
6636  return AVERROR(ENOMEM);
6637  }
6638  memcpy(track->vos_data, st->codecpar->extradata, track->vos_len);
6639  memset(track->vos_data + track->vos_len, 0, AV_INPUT_BUFFER_PADDING_SIZE);
6640  }
6641  }
6642 
6643  if (st->codecpar->codec_type != AVMEDIA_TYPE_AUDIO ||
6645  continue;
6646 
6647  for (j = 0; j < s->nb_streams; j++) {
6648  AVStream *stj= s->streams[j];
6649  MOVTrack *trackj= &mov->tracks[j];
6650  if (j == i)
6651  continue;
6652 
6653  if (stj->codecpar->codec_type != AVMEDIA_TYPE_AUDIO ||
6654  trackj->par->channel_layout != AV_CH_LAYOUT_MONO ||
6655  trackj->language != track->language ||
6656  trackj->tag != track->tag
6657  )
6658  continue;
6659  track->multichannel_as_mono++;
6660  }
6661  }
6662 
6663  if (!(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
6664  if ((ret = mov_write_identification(pb, s)) < 0)
6665  return ret;
6666  }
6667 
6668  if (mov->reserved_moov_size){
6669  mov->reserved_header_pos = avio_tell(pb);
6670  if (mov->reserved_moov_size > 0)
6671  avio_skip(pb, mov->reserved_moov_size);
6672  }
6673 
6674  if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
6675  /* If no fragmentation options have been set, set a default. */
6676  if (!(mov->flags & (FF_MOV_FLAG_FRAG_KEYFRAME |
6681  } else {
6682  if (mov->flags & FF_MOV_FLAG_FASTSTART)
6683  mov->reserved_header_pos = avio_tell(pb);
6684  mov_write_mdat_tag(pb, mov);
6685  }
6686 
6688  if (mov->time)
6689  mov->time += 0x7C25B080; // 1970 based -> 1904 based
6690 
6691  if (mov->chapter_track)
6692  if ((ret = mov_create_chapter_track(s, mov->chapter_track)) < 0)
6693  return ret;
6694 
6695  if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
6696  for (i = 0; i < s->nb_streams; i++) {
6697  if (rtp_hinting_needed(s->streams[i])) {
6698  if ((ret = ff_mov_init_hinting(s, hint_track, i)) < 0)
6699  return ret;
6700  hint_track++;
6701  }
6702  }
6703  }
6704 
6705  if (mov->nb_meta_tmcd) {
6706  /* Initialize the tmcd tracks */
6707  for (i = 0; i < s->nb_streams; i++) {
6708  AVStream *st = s->streams[i];
6709  t = global_tcr;
6710 
6711  if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
6712  AVTimecode tc;
6713  if (!t)
6714  t = av_dict_get(st->metadata, "timecode", NULL, 0);
6715  if (!t)
6716  continue;
6717  if (mov_check_timecode_track(s, &tc, i, t->value) < 0)
6718  continue;
6719  if ((ret = mov_create_timecode_track(s, tmcd_track, i, tc)) < 0)
6720  return ret;
6721  tmcd_track++;
6722  }
6723  }
6724  }
6725 
6726  avio_flush(pb);
6727 
6728  if (mov->flags & FF_MOV_FLAG_ISML)
6729  mov_write_isml_manifest(pb, mov, s);
6730 
6731  if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV &&
6732  !(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
6733  if ((ret = mov_write_moov_tag(pb, mov, s)) < 0)
6734  return ret;
6735  mov->moov_written = 1;
6736  if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
6737  mov->reserved_header_pos = avio_tell(pb);
6738  }
6739 
6740  return 0;
6741 }
6742 
6744 {
6745  int ret;
6746  AVIOContext *moov_buf;
6747  MOVMuxContext *mov = s->priv_data;
6748 
6749  if ((ret = ffio_open_null_buf(&moov_buf)) < 0)
6750  return ret;
6751  if ((ret = mov_write_moov_tag(moov_buf, mov, s)) < 0)
6752  return ret;
6753  return ffio_close_null_buf(moov_buf);
6754 }
6755 
6757 {
6758  int ret;
6759  AVIOContext *buf;
6760  MOVMuxContext *mov = s->priv_data;
6761 
6762  if ((ret = ffio_open_null_buf(&buf)) < 0)
6763  return ret;
6764  mov_write_sidx_tags(buf, mov, -1, 0);
6765  return ffio_close_null_buf(buf);
6766 }
6767 
6768 /*
6769  * This function gets the moov size if moved to the top of the file: the chunk
6770  * offset table can switch between stco (32-bit entries) to co64 (64-bit
6771  * entries) when the moov is moved to the beginning, so the size of the moov
6772  * would change. It also updates the chunk offset tables.
6773  */
6775 {
6776  int i, moov_size, moov_size2;
6777  MOVMuxContext *mov = s->priv_data;
6778 
6779  moov_size = get_moov_size(s);
6780  if (moov_size < 0)
6781  return moov_size;
6782 
6783  for (i = 0; i < mov->nb_streams; i++)
6784  mov->tracks[i].data_offset += moov_size;
6785 
6786  moov_size2 = get_moov_size(s);
6787  if (moov_size2 < 0)
6788  return moov_size2;
6789 
6790  /* if the size changed, we just switched from stco to co64 and need to
6791  * update the offsets */
6792  if (moov_size2 != moov_size)
6793  for (i = 0; i < mov->nb_streams; i++)
6794  mov->tracks[i].data_offset += moov_size2 - moov_size;
6795 
6796  return moov_size2;
6797 }
6798 
6800 {
6801  int i, sidx_size;
6802  MOVMuxContext *mov = s->priv_data;
6803 
6804  sidx_size = get_sidx_size(s);
6805  if (sidx_size < 0)
6806  return sidx_size;
6807 
6808  for (i = 0; i < mov->nb_streams; i++)
6809  mov->tracks[i].data_offset += sidx_size;
6810 
6811  return sidx_size;
6812 }
6813 
6815 {
6816  int ret = 0, moov_size;
6817  MOVMuxContext *mov = s->priv_data;
6818  int64_t pos, pos_end;
6819  uint8_t *buf, *read_buf[2];
6820  int read_buf_id = 0;
6821  int read_size[2];
6822  AVIOContext *read_pb;
6823 
6824  if (mov->flags & FF_MOV_FLAG_FRAGMENT)
6825  moov_size = compute_sidx_size(s);
6826  else
6827  moov_size = compute_moov_size(s);
6828  if (moov_size < 0)
6829  return moov_size;
6830 
6831  buf = av_malloc(moov_size * 2);
6832  if (!buf)
6833  return AVERROR(ENOMEM);
6834  read_buf[0] = buf;
6835  read_buf[1] = buf + moov_size;
6836 
6837  /* Shift the data: the AVIO context of the output can only be used for
6838  * writing, so we re-open the same output, but for reading. It also avoids
6839  * a read/seek/write/seek back and forth. */
6840  avio_flush(s->pb);
6841  ret = s->io_open(s, &read_pb, s->url, AVIO_FLAG_READ, NULL);
6842  if (ret < 0) {
6843  av_log(s, AV_LOG_ERROR, "Unable to re-open %s output file for "
6844  "the second pass (faststart)\n", s->url);
6845  goto end;
6846  }
6847 
6848  /* mark the end of the shift to up to the last data we wrote, and get ready
6849  * for writing */
6850  pos_end = avio_tell(s->pb);
6851  avio_seek(s->pb, mov->reserved_header_pos + moov_size, SEEK_SET);
6852 
6853  /* start reading at where the new moov will be placed */
6854  avio_seek(read_pb, mov->reserved_header_pos, SEEK_SET);
6855  pos = avio_tell(read_pb);
6856 
6857 #define READ_BLOCK do { \
6858  read_size[read_buf_id] = avio_read(read_pb, read_buf[read_buf_id], moov_size); \
6859  read_buf_id ^= 1; \
6860 } while (0)
6861 
6862  /* shift data by chunk of at most moov_size */
6863  READ_BLOCK;
6864  do {
6865  int n;
6866  READ_BLOCK;
6867  n = read_size[read_buf_id];
6868  if (n <= 0)
6869  break;
6870  avio_write(s->pb, read_buf[read_buf_id], n);
6871  pos += n;
6872  } while (pos < pos_end);
6873  ff_format_io_close(s, &read_pb);
6874 
6875 end:
6876  av_free(buf);
6877  return ret;
6878 }
6879 
6881 {
6882  MOVMuxContext *mov = s->priv_data;
6883  AVIOContext *pb = s->pb;
6884  int res = 0;
6885  int i;
6886  int64_t moov_pos;
6887 
6888  if (mov->need_rewrite_extradata) {
6889  for (i = 0; i < s->nb_streams; i++) {
6890  MOVTrack *track = &mov->tracks[i];
6891  AVCodecParameters *par = track->par;
6892 
6893  track->vos_len = par->extradata_size;
6894  av_freep(&track->vos_data);
6896  if (!track->vos_data)
6897  return AVERROR(ENOMEM);
6898  memcpy(track->vos_data, par->extradata, track->vos_len);
6899  memset(track->vos_data + track->vos_len, 0, AV_INPUT_BUFFER_PADDING_SIZE);
6900  }
6901  mov->need_rewrite_extradata = 0;
6902  }
6903 
6904  /*
6905  * Before actually writing the trailer, make sure that there are no
6906  * dangling subtitles, that need a terminating sample.
6907  */
6908  for (i = 0; i < mov->nb_streams; i++) {
6909  MOVTrack *trk = &mov->tracks[i];
6910  if (trk->par->codec_id == AV_CODEC_ID_MOV_TEXT &&
6913  trk->last_sample_is_subtitle_end = 1;
6914  }
6915  }
6916 
6917  // If there were no chapters when the header was written, but there
6918  // are chapters now, write them in the trailer. This only works
6919  // when we are not doing fragments.
6920  if (!mov->chapter_track && !(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
6921  if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters) {
6922  mov->chapter_track = mov->nb_streams++;
6923  if ((res = mov_create_chapter_track(s, mov->chapter_track)) < 0)
6924  return res;
6925  }
6926  }
6927 
6928  if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
6929  moov_pos = avio_tell(pb);
6930 
6931  /* Write size of mdat tag */
6932  if (mov->mdat_size + 8 <= UINT32_MAX) {
6933  avio_seek(pb, mov->mdat_pos, SEEK_SET);
6934  avio_wb32(pb, mov->mdat_size + 8);
6935  } else {
6936  /* overwrite 'wide' placeholder atom */
6937  avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
6938  /* special value: real atom size will be 64 bit value after
6939  * tag field */
6940  avio_wb32(pb, 1);
6941  ffio_wfourcc(pb, "mdat");
6942  avio_wb64(pb, mov->mdat_size + 16);
6943  }
6944  avio_seek(pb, mov->reserved_moov_size > 0 ? mov->reserved_header_pos : moov_pos, SEEK_SET);
6945 
6946  if (mov->flags & FF_MOV_FLAG_FASTSTART) {
6947  av_log(s, AV_LOG_INFO, "Starting second pass: moving the moov atom to the beginning of the file\n");
6948  res = shift_data(s);
6949  if (res < 0)
6950  return res;
6951  avio_seek(pb, mov->reserved_header_pos, SEEK_SET);
6952  if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
6953  return res;
6954  } else if (mov->reserved_moov_size > 0) {
6955  int64_t size;
6956  if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
6957  return res;
6958  size = mov->reserved_moov_size - (avio_tell(pb) - mov->reserved_header_pos);
6959  if (size < 8){
6960  av_log(s, AV_LOG_ERROR, "reserved_moov_size is too small, needed %"PRId64" additional\n", 8-size);
6961  return AVERROR(EINVAL);
6962  }
6963  avio_wb32(pb, size);
6964  ffio_wfourcc(pb, "free");
6965  ffio_fill(pb, 0, size - 8);
6966  avio_seek(pb, moov_pos, SEEK_SET);
6967  } else {
6968  if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
6969  return res;
6970  }
6971  res = 0;
6972  } else {
6974  for (i = 0; i < mov->nb_streams; i++)
6975  mov->tracks[i].data_offset = 0;
6976  if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX) {
6977  int64_t end;
6978  av_log(s, AV_LOG_INFO, "Starting second pass: inserting sidx atoms\n");
6979  res = shift_data(s);
6980  if (res < 0)
6981  return res;
6982  end = avio_tell(pb);
6983  avio_seek(pb, mov->reserved_header_pos, SEEK_SET);
6984  mov_write_sidx_tags(pb, mov, -1, 0);
6985  avio_seek(pb, end, SEEK_SET);
6986  }
6987  if (!(mov->flags & FF_MOV_FLAG_SKIP_TRAILER)) {
6989  mov_write_mfra_tag(pb, mov);
6990  }
6991  }
6992 
6993  return res;
6994 }
6995 
6996 static int mov_check_bitstream(struct AVFormatContext *s, const AVPacket *pkt)
6997 {
6998  int ret = 1;
6999  AVStream *st = s->streams[pkt->stream_index];
7000 
7001  if (st->codecpar->codec_id == AV_CODEC_ID_AAC) {
7002  if (pkt->size > 2 && (AV_RB16(pkt->data) & 0xfff0) == 0xfff0)
7003  ret = ff_stream_add_bitstream_filter(st, "aac_adtstoasc", NULL);
7004  } else if (st->codecpar->codec_id == AV_CODEC_ID_VP9) {
7005  ret = ff_stream_add_bitstream_filter(st, "vp9_superframe", NULL);
7006  }
7007 
7008  return ret;
7009 }
7010 
7011 static const AVCodecTag codec_3gp_tags[] = {
7012  { AV_CODEC_ID_H263, MKTAG('s','2','6','3') },
7013  { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
7014  { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
7015  { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
7016  { AV_CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
7017  { AV_CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
7018  { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
7019  { AV_CODEC_ID_NONE, 0 },
7020 };
7021 
7023  { AV_CODEC_ID_MPEG4, MKTAG('m', 'p', '4', 'v') },
7024  { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '1') },
7025  { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '3') },
7026  { AV_CODEC_ID_HEVC, MKTAG('h', 'e', 'v', '1') },
7027  { AV_CODEC_ID_HEVC, MKTAG('h', 'v', 'c', '1') },
7028  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'p', '4', 'v') },
7029  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', '4', 'v') },
7030  { AV_CODEC_ID_MJPEG, MKTAG('m', 'p', '4', 'v') },
7031  { AV_CODEC_ID_PNG, MKTAG('m', 'p', '4', 'v') },
7032  { AV_CODEC_ID_JPEG2000, MKTAG('m', 'p', '4', 'v') },
7033  { AV_CODEC_ID_VC1, MKTAG('v', 'c', '-', '1') },
7034  { AV_CODEC_ID_DIRAC, MKTAG('d', 'r', 'a', 'c') },
7035  { AV_CODEC_ID_TSCC2, MKTAG('m', 'p', '4', 'v') },
7036  { AV_CODEC_ID_VP9, MKTAG('v', 'p', '0', '9') },
7037  { AV_CODEC_ID_AV1, MKTAG('a', 'v', '0', '1') },
7038  { AV_CODEC_ID_AAC, MKTAG('m', 'p', '4', 'a') },
7039  { AV_CODEC_ID_MP4ALS, MKTAG('m', 'p', '4', 'a') },
7040  { AV_CODEC_ID_MP3, MKTAG('m', 'p', '4', 'a') },
7041  { AV_CODEC_ID_MP2, MKTAG('m', 'p', '4', 'a') },
7042  { AV_CODEC_ID_AC3, MKTAG('a', 'c', '-', '3') },
7043  { AV_CODEC_ID_EAC3, MKTAG('e', 'c', '-', '3') },
7044  { AV_CODEC_ID_DTS, MKTAG('m', 'p', '4', 'a') },
7045  { AV_CODEC_ID_TRUEHD, MKTAG('m', 'l', 'p', 'a') },
7046  { AV_CODEC_ID_FLAC, MKTAG('f', 'L', 'a', 'C') },
7047  { AV_CODEC_ID_OPUS, MKTAG('O', 'p', 'u', 's') },
7048  { AV_CODEC_ID_VORBIS, MKTAG('m', 'p', '4', 'a') },
7049  { AV_CODEC_ID_QCELP, MKTAG('m', 'p', '4', 'a') },
7050  { AV_CODEC_ID_EVRC, MKTAG('m', 'p', '4', 'a') },
7051  { AV_CODEC_ID_DVD_SUBTITLE, MKTAG('m', 'p', '4', 's') },
7052  { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'x', '3', 'g') },
7053  { AV_CODEC_ID_BIN_DATA, MKTAG('g', 'p', 'm', 'd') },
7054  { AV_CODEC_ID_MPEGH_3D_AUDIO, MKTAG('m', 'h', 'm', '1') },
7055  { AV_CODEC_ID_NONE, 0 },
7056 };
7057 
7059  { AV_CODEC_ID_WMAPRO , MKTAG('w', 'm', 'a', ' ') },
7060  { AV_CODEC_ID_NONE , 0 },
7061 };
7062 
7063 static const AVCodecTag codec_ipod_tags[] = {
7064  { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
7065  { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
7066  { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
7067  { AV_CODEC_ID_ALAC, MKTAG('a','l','a','c') },
7068  { AV_CODEC_ID_AC3, MKTAG('a','c','-','3') },
7069  { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
7070  { AV_CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
7071  { AV_CODEC_ID_NONE, 0 },
7072 };
7073 
7074 static const AVCodecTag codec_f4v_tags[] = {
7075  { AV_CODEC_ID_MP3, MKTAG('.','m','p','3') },
7076  { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
7077  { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
7078  { AV_CODEC_ID_VP6A, MKTAG('V','P','6','A') },
7079  { AV_CODEC_ID_VP6F, MKTAG('V','P','6','F') },
7080  { AV_CODEC_ID_NONE, 0 },
7081 };
7082 
7083 #if CONFIG_MOV_MUXER
7084 MOV_CLASS(mov)
7086  .name = "mov",
7087  .long_name = NULL_IF_CONFIG_SMALL("QuickTime / MOV"),
7088  .extensions = "mov",
7089  .priv_data_size = sizeof(MOVMuxContext),
7090  .audio_codec = AV_CODEC_ID_AAC,
7091  .video_codec = CONFIG_LIBX264_ENCODER ?
7093  .init = mov_init,
7097  .deinit = mov_free,
7099  .codec_tag = (const AVCodecTag* const []){
7101  },
7102  .check_bitstream = mov_check_bitstream,
7103  .priv_class = &mov_muxer_class,
7104 };
7105 #endif
7106 #if CONFIG_TGP_MUXER
7107 MOV_CLASS(tgp)
7109  .name = "3gp",
7110  .long_name = NULL_IF_CONFIG_SMALL("3GP (3GPP file format)"),
7111  .extensions = "3gp",
7112  .priv_data_size = sizeof(MOVMuxContext),
7113  .audio_codec = AV_CODEC_ID_AMR_NB,
7114  .video_codec = AV_CODEC_ID_H263,
7115  .init = mov_init,
7119  .deinit = mov_free,
7121  .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
7122  .check_bitstream = mov_check_bitstream,
7123  .priv_class = &tgp_muxer_class,
7124 };
7125 #endif
7126 #if CONFIG_MP4_MUXER
7127 MOV_CLASS(mp4)
7129  .name = "mp4",
7130  .long_name = NULL_IF_CONFIG_SMALL("MP4 (MPEG-4 Part 14)"),
7131  .mime_type = "video/mp4",
7132  .extensions = "mp4",
7133  .priv_data_size = sizeof(MOVMuxContext),
7134  .audio_codec = AV_CODEC_ID_AAC,
7135  .video_codec = CONFIG_LIBX264_ENCODER ?
7137  .init = mov_init,
7141  .deinit = mov_free,
7143  .codec_tag = (const AVCodecTag* const []){ codec_mp4_tags, 0 },
7144  .check_bitstream = mov_check_bitstream,
7145  .priv_class = &mp4_muxer_class,
7146 };
7147 #endif
7148 #if CONFIG_PSP_MUXER
7149 MOV_CLASS(psp)
7151  .name = "psp",
7152  .long_name = NULL_IF_CONFIG_SMALL("PSP MP4 (MPEG-4 Part 14)"),
7153  .extensions = "mp4,psp",
7154  .priv_data_size = sizeof(MOVMuxContext),
7155  .audio_codec = AV_CODEC_ID_AAC,
7156  .video_codec = CONFIG_LIBX264_ENCODER ?
7158  .init = mov_init,
7162  .deinit = mov_free,
7164  .codec_tag = (const AVCodecTag* const []){ codec_mp4_tags, 0 },
7165  .check_bitstream = mov_check_bitstream,
7166  .priv_class = &psp_muxer_class,
7167 };
7168 #endif
7169 #if CONFIG_TG2_MUXER
7170 MOV_CLASS(tg2)
7172  .name = "3g2",
7173  .long_name = NULL_IF_CONFIG_SMALL("3GP2 (3GPP2 file format)"),
7174  .extensions = "3g2",
7175  .priv_data_size = sizeof(MOVMuxContext),
7176  .audio_codec = AV_CODEC_ID_AMR_NB,
7177  .video_codec = AV_CODEC_ID_H263,
7178  .init = mov_init,
7182  .deinit = mov_free,
7184  .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
7185  .check_bitstream = mov_check_bitstream,
7186  .priv_class = &tg2_muxer_class,
7187 };
7188 #endif
7189 #if CONFIG_IPOD_MUXER
7190 MOV_CLASS(ipod)
7192  .name = "ipod",
7193  .long_name = NULL_IF_CONFIG_SMALL("iPod H.264 MP4 (MPEG-4 Part 14)"),
7194  .mime_type = "video/mp4",
7195  .extensions = "m4v,m4a,m4b",
7196  .priv_data_size = sizeof(MOVMuxContext),
7197  .audio_codec = AV_CODEC_ID_AAC,
7198  .video_codec = AV_CODEC_ID_H264,
7199  .init = mov_init,
7203  .deinit = mov_free,
7205  .codec_tag = (const AVCodecTag* const []){ codec_ipod_tags, 0 },
7206  .check_bitstream = mov_check_bitstream,
7207  .priv_class = &ipod_muxer_class,
7208 };
7209 #endif
7210 #if CONFIG_ISMV_MUXER
7211 MOV_CLASS(ismv)
7213  .name = "ismv",
7214  .long_name = NULL_IF_CONFIG_SMALL("ISMV/ISMA (Smooth Streaming)"),
7215  .mime_type = "video/mp4",
7216  .extensions = "ismv,isma",
7217  .priv_data_size = sizeof(MOVMuxContext),
7218  .audio_codec = AV_CODEC_ID_AAC,
7219  .video_codec = AV_CODEC_ID_H264,
7220  .init = mov_init,
7224  .deinit = mov_free,
7226  .codec_tag = (const AVCodecTag* const []){
7228  .check_bitstream = mov_check_bitstream,
7229  .priv_class = &ismv_muxer_class,
7230 };
7231 #endif
7232 #if CONFIG_F4V_MUXER
7233 MOV_CLASS(f4v)
7235  .name = "f4v",
7236  .long_name = NULL_IF_CONFIG_SMALL("F4V Adobe Flash Video"),
7237  .mime_type = "application/f4v",
7238  .extensions = "f4v",
7239  .priv_data_size = sizeof(MOVMuxContext),
7240  .audio_codec = AV_CODEC_ID_AAC,
7241  .video_codec = AV_CODEC_ID_H264,
7242  .init = mov_init,
7246  .deinit = mov_free,
7248  .codec_tag = (const AVCodecTag* const []){ codec_f4v_tags, 0 },
7249  .check_bitstream = mov_check_bitstream,
7250  .priv_class = &f4v_muxer_class,
7251 };
7252 #endif
unsigned int nb_chapters
Number of chapters in AVChapter array.
Definition: avformat.h:1580
int32_t pitch
Rotation around the right vector [-90, 90].
Definition: spherical.h:127
#define FF_PROFILE_DNXHD
Definition: avcodec.h:1874
#define MOV_TRACK_STPS
Definition: movenc.h:97
static int utf8len(const uint8_t *b)
Definition: movenc.c:123
#define FF_COMPLIANCE_EXPERIMENTAL
Allow nonstandardized experimental things.
Definition: avcodec.h:1594
static int mov_write_extradata_tag(AVIOContext *pb, MOVTrack *track)
This function writes extradata "as is".
Definition: movenc.c:594
packed YUV 4:2:2, 16bpp, Cb Y0 Cr Y1
Definition: pixfmt.h:81
int ff_mov_iso639_to_lang(const char lang[4], int mp4)
Definition: isom.c:419
int cid
Definition: mxfenc.c:1970
uint8_t bitstream_mode
Definition: ac3.h:187
static void write_packet(OutputFile *of, AVPacket *pkt, OutputStream *ost, int unqueue)
Definition: ffmpeg.c:702
internal header for HEVC (de)muxer utilities
#define FF_MOV_FLAG_DELAY_MOOV
Definition: movenc.h:253
int(* io_open)(struct AVFormatContext *s, AVIOContext **pb, const char *url, int flags, AVDictionary **options)
A callback for opening new IO streams.
Definition: avformat.h:1933
void avio_wb64(AVIOContext *s, uint64_t val)
Definition: aviobuf.c:441
#define AV_RB8(x)
Definition: intreadwrite.h:395
static void av_unused put_bits32(PutBitContext *s, uint32_t value)
Write exactly 32 bits into a bitstream.
Definition: put_bits.h:250
#define NULL
Definition: coverity.c:32
enum AVFieldOrder field_order
Video only.
Definition: codec_par.h:141
static int mov_write_moof_tag_internal(AVIOContext *pb, MOVMuxContext *mov, int tracks, int moof_size)
Definition: movenc.c:4579
static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
Definition: movenc.c:3795
Bytestream IO Context.
Definition: avio.h:161
enum AVColorTransferCharacteristic color_trc
Definition: codec_par.h:148
Producer Reference Time data corresponding to the AVProducerReferenceTime struct, usually exported by...
Definition: packet.h:268
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
Definition: error.h:59
int packet_entry
Definition: movenc.h:155
#define FF_MOV_FLAG_FASTSTART
Definition: movenc.h:247
long chunkCount
Definition: movenc.h:93
static int get_cluster_duration(MOVTrack *track, int cluster_idx)
Definition: movenc.c:1011
static int mov_write_dinf_tag(AVIOContext *pb)
Definition: movenc.c:2586
int ff_interleaved_peek(AVFormatContext *s, int stream, AVPacket *pkt, int add_offset)
Find the next packet in the interleaving queue for the given stream.
Definition: mux.c:1032
Buffered I/O operations.
version
Definition: libkvazaar.c:292
enum AVCodecID id
Definition: internal.h:43
int use_editlist
Definition: movenc.h:218
int size
#define GET_UTF8(val, GET_BYTE, ERROR)
Convert a UTF-8 character (up to 4 bytes) to its 32-bit UCS-4 encoded form.
Definition: common.h:427
static int mov_flush_fragment(AVFormatContext *s, int force)
Definition: movenc.c:5171
#define OPUS_SEEK_PREROLL_MS
Definition: oggparseopus.c:35
unsigned MaxCLL
Max content light level (cd/m^2).
int tag
stsd fourcc
Definition: movenc.h:106
static AVRational find_fps(AVFormatContext *s, AVStream *st)
Definition: movenc.c:1383
int language
Definition: movenc.h:104
int avio_close_dyn_buf(AVIOContext *s, uint8_t **pbuffer)
Return the written size and a pointer to the buffer.
Definition: aviobuf.c:1401
AVOption.
Definition: opt.h:246
int64_t dts_shift
Definition: movenc.h:123
static int mov_write_tfdt_tag(AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:4527
int ffio_close_null_buf(AVIOContext *s)
Close a null buffer.
Definition: aviobuf.c:1464
AVOutputFormat ff_f4v_muxer
int ff_put_wav_header(AVFormatContext *s, AVIOContext *pb, AVCodecParameters *par, int flags)
Write WAVEFORMAT header structure.
Definition: riffenc.c:54
static void mov_write_psp_udta_tag(AVIOContext *pb, const char *str, const char *lang, int type)
Definition: movenc.c:3919
#define MOV_TFHD_DEFAULT_DURATION
Definition: isom.h:310
unsigned int entries
Definition: movenc.h:53
static unsigned int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
Definition: movenc.c:1587
AVIOContext * mdat_buf
Definition: movenc.h:205
static int mov_write_tmcd_tag(AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:2257
Definition: isom.h:56
static void put_bits(Jpeg2000EncoderContext *s, int val, int n)
put n times val bit
Definition: j2kenc.c:208
static unsigned int get_bits(GetBitContext *s, int n)
Read 1-25 bits.
Definition: get_bits.h:379
static void param_write_int(AVIOContext *pb, const char *name, int value)
Definition: movenc.c:4115
#define AV_LOG_WARNING
Something somehow does not look correct.
Definition: log.h:182
#define FF_MOV_FLAG_FRAGMENT
Definition: movenc.h:241
static void find_compressor(char *compressor_name, int len, MOVTrack *track)
Definition: movenc.c:2004
packed RGB 8:8:8, 24bpp, RGBRGB...
Definition: pixfmt.h:68
static int mov_write_subtitle_end_packet(AVFormatContext *s, int stream_index, int64_t dts)
Definition: movenc.c:5840
static int mov_write_enda_tag_be(AVIOContext *pb)
Definition: movenc.c:608
int nb_frag_info
Definition: movenc.h:145
int max_fragment_size
Definition: movenc.h:203
struct AVAESCTR * aes_ctr
Definition: movenccenc.h:34
void avpriv_set_pts_info(AVStream *s, int pts_wrap_bits, unsigned int pts_num, unsigned int pts_den)
Set the time base and wrapping info for a given stream.
Definition: utils.c:4948
static void skip_bits_long(GetBitContext *s, int n)
Skips the specified number of bits.
Definition: get_bits.h:291
const char * g
Definition: vf_curves.c:115
int ff_av1_filter_obus(AVIOContext *pb, const uint8_t *buf, int size)
Filter out AV1 OBUs not meant to be present in ISOBMFF sample data and write the resulting bitstream ...
Definition: av1.c:81
static int mov_write_dref_tag(AVIOContext *pb)
Definition: movenc.c:2438
static int mov_write_gpmd_tag(AVIOContext *pb, const MOVTrack *track)
Definition: movenc.c:2313
#define NTP_OFFSET_US
Definition: internal.h:244
int max_bitrate
Maximum bitrate of the stream, in bits per second.
Definition: avcodec.h:454
static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb, const char *name, const char *tag, int long_style)
Definition: movenc.c:3485
static const AVCodecTag codec_f4v_tags[]
Definition: movenc.c:7074
AVRational sample_aspect_ratio
Video only.
Definition: codec_par.h:136
#define avpriv_request_sample(...)
This side data should be associated with a video stream and contains Stereoscopic 3D information in f...
Definition: packet.h:114
static int mov_pcm_be_gt16(enum AVCodecID codec_id)
Definition: movenc.c:701
int ff_mov_add_hinted_packet(AVFormatContext *s, AVPacket *pkt, int track_index, int sample, uint8_t *sample_data, int sample_size)
Definition: movenchint.c:401
Video represents a portion of a sphere mapped on a flat surface using equirectangular projection...
Definition: spherical.h:72
static int mov_check_timecode_track(AVFormatContext *s, AVTimecode *tc, int src_index, const char *tcstr)
Definition: movenc.c:6061
AVRational white_point[2]
CIE 1931 xy chromaticity coords of white point.
enum AVCodecID codec_id
Specific type of the encoded data (the codec used).
Definition: codec_par.h:60
static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
Definition: movenc.c:1561
struct MOVTrack::@264 vc1_info
#define FF_MOV_FLAG_PREFER_ICC
Definition: movenc.h:263
AVRational sample_aspect_ratio
sample aspect ratio (0 if unknown)
Definition: avformat.h:938
int num
Numerator.
Definition: rational.h:59
packed RGB 5:5:5, 16bpp, (msb)1X 5R 5G 5B(lsb), little-endian, X=unused/undefined ...
Definition: pixfmt.h:108
int index
stream index in AVFormatContext
Definition: avformat.h:877
int size
Definition: packet.h:356
int ff_hevc_annexb2mp4_buf(const uint8_t *buf_in, uint8_t **buf_out, int *size, int filter_ps, int *ps_count)
Writes Annex B formatted HEVC NAL units to a data buffer.
Definition: hevc.c:1047
const char * b
Definition: vf_curves.c:116
#define MOV_TRUN_SAMPLE_CTS
Definition: isom.h:321
int64_t avio_seek(AVIOContext *s, int64_t offset, int whence)
fseek() equivalent for AVIOContext.
Definition: aviobuf.c:241
#define AVIO_FLAG_READ
read-only
Definition: avio.h:674
#define av_bswap16
Definition: bswap.h:31
#define AV_RB24
Definition: intreadwrite.h:64
static int mov_write_dpxe_tag(AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:1345
void ff_mov_cenc_free(MOVMuxCencContext *ctx)
Free a CENC context.
Definition: movenccenc.c:412
This side data contains an integer value representing the stream index of a "fallback" track...
Definition: packet.h:140
#define tc
Definition: regdef.h:69
static av_always_inline uint64_t av_double2int(double f)
Reinterpret a double as a 64-bit integer.
Definition: intfloat.h:70
static int mov_write_trak_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track, AVStream *st)
Definition: movenc.c:3243
static int mov_write_sdtp_tag(AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:282
#define AV_RL16
Definition: intreadwrite.h:42
#define AV_DISPOSITION_HEARING_IMPAIRED
stream for hearing impaired audiences
Definition: avformat.h:834
long sample_count
Definition: movenc.h:91
DOVI configuration.
Video represents a sphere mapped on a flat surface using equirectangular projection.
Definition: spherical.h:56
int end_reliable
Definition: movenc.h:122
static int mov_write_mdta_keys_tag(AVIOContext *pb, MOVMuxContext *mov, AVFormatContext *s)
Definition: movenc.c:3703
static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:1867
int64_t avio_skip(AVIOContext *s, int64_t offset)
Skip given number of bytes forward.
Definition: aviobuf.c:329
int has_primaries
Flag indicating whether the display primaries (and white point) are set.
unsigned int ff_codec_get_tag(const AVCodecTag *tags, enum AVCodecID id)
Definition: utils.c:3155
char * encryption_scheme_str
Definition: movenc.h:224
const char * key
#define FF_MOV_FLAG_ISML
Definition: movenc.h:246
static int mov_write_tcmi_tag(AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:2603
static int mov_write_track_metadata(AVIOContext *pb, AVStream *st, const char *tag, const char *str)
Definition: movenc.c:3202
static int mov_write_dfla_tag(AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:732
Views are next to each other.
Definition: stereo3d.h:67
#define MOV_TFHD_DURATION_IS_EMPTY
Definition: isom.h:313
AVStream * st
Definition: movenc.h:107
static int mov_write_source_reference_tag(AVIOContext *pb, MOVTrack *track, const char *reel_name)
Definition: movenc.c:2238
static int mov_write_st3d_tag(AVFormatContext *s, AVIOContext *pb, AVStereo3D *stereo_3d)
Definition: movenc.c:1734
AVDictionary * metadata
Definition: avformat.h:1312
static uint16_t language_code(const char *str)
Definition: movenc.c:3806
#define FF_PROFILE_AAC_HE_V2
Definition: avcodec.h:1868
#define AVFMT_ALLOW_FLUSH
Format allows flushing.
Definition: avformat.h:471
static int is_cover_image(const AVStream *st)
Definition: movenc.c:152
int avio_open_dyn_buf(AVIOContext **s)
Open a write only memory stream.
Definition: aviobuf.c:1356
static int mov_get_dnxhd_codec_tag(AVFormatContext *s, MOVTrack *track)
Definition: movenc.c:1552
int strict_std_compliance
Allow non-standard and experimental extension.
Definition: avformat.h:1659
static void mov_parse_truehd_frame(AVPacket *pkt, MOVTrack *trk)
Definition: movenc.c:5127
uint16_t chan_loc
Definition: movenc.c:394
This struct describes the properties of an encoded stream.
Definition: codec_par.h:52
#define AV_PKT_FLAG_DISPOSABLE
Flag is used to indicate packets that contain frames that can be discarded by the decoder...
Definition: packet.h:407
static int mov_write_fiel_tag(AVIOContext *pb, MOVTrack *track, int field_order)
Definition: movenc.c:1704
AVCodecParameters * par
Definition: movenc.h:108
static int mov_write_tfrf_tag(AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track, int entry)
Definition: movenc.c:4424
int64_t track_duration
Definition: movenc.h:89
enum AVColorSpace color_space
Definition: codec_par.h:149
int encryption_kid_len
Definition: movenc.h:229
#define MOV_TFHD_DEFAULT_BASE_IS_MOOF
Definition: isom.h:314
int ff_mov_cenc_write_packet(MOVMuxCencContext *ctx, AVIOContext *pb, const uint8_t *buf_in, int size)
Write a fully encrypted packet.
Definition: movenccenc.c:167
int frame_size
Audio only.
Definition: codec_par.h:181
Mastering display metadata (based on SMPTE-2086:2014).
Definition: packet.h:222
int last_sample_is_subtitle_end
Definition: movenc.h:90
static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:974
int entries_flushed
Definition: movenc.h:143
#define MOV_TKHD_FLAG_ENABLED
Definition: isom.h:333
packed RGB 5:6:5, 16bpp, (msb) 5R 6G 5B(lsb), little-endian
Definition: pixfmt.h:106
static int shift_data(AVFormatContext *s)
Definition: movenc.c:6814
Trailer data, which doesn&#39;t contain actual content, but only for finalizing the output file...
Definition: avio.h:140
Format I/O context.
Definition: avformat.h:1351
int64_t frag_start
Definition: movenc.h:141
static int mov_write_stsc_tag(AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:229
static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov, AVFormatContext *s, int disc)
Definition: movenc.c:3566
static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
Definition: movenc.c:5861
int avpriv_ac3_parse_header(AC3HeaderInfo **phdr, const uint8_t *buf, size_t size)
Definition: ac3_parser.c:255
#define av_assert0(cond)
assert() equivalent, that is always enabled.
Definition: avassert.h:37
static int mov_add_tfra_entries(AVIOContext *pb, MOVMuxContext *mov, int tracks, int size)
Definition: movenc.c:4473
static int mov_write_single_packet(AVFormatContext *s, AVPacket *pkt)
Definition: movenc.c:5755
Public dictionary API.
double avpriv_get_gamma_from_trc(enum AVColorTransferCharacteristic trc)
Determine a suitable &#39;gamma&#39; value to match the supplied AVColorTransferCharacteristic.
Definition: color_utils.c:28
int av_timecode_init_from_string(AVTimecode *tc, AVRational rate, const char *str, void *log_ctx)
Parse timecode representation (hh:mm:ss[:;.
Definition: timecode.c:194
static double cb(void *priv, double x, double y)
Definition: vf_geq.c:215
int first_trun
Definition: movenc.h:206
int empty_hdlr_name
Definition: movenc.h:237
static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
Definition: movenc.c:3932
int64_t default_duration
Definition: movenc.h:132
#define READ_BLOCK
uint32_t flags
Definition: movenc.h:99
#define FF_MOV_FLAG_EMPTY_MOOV
Definition: movenc.h:242
#define FF_MOV_FLAG_WRITE_COLR
Definition: movenc.h:255
void av_packet_free(AVPacket **pkt)
Free the packet, if the packet is reference counted, it will be unreferenced first.
Definition: avpacket.c:64
void avio_wl32(AVIOContext *s, unsigned int val)
Definition: aviobuf.c:367
uint8_t
Round toward +infinity.
Definition: mathematics.h:83
static int nb_streams
Definition: ffprobe.c:282
bool full_range
static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
Definition: movenc.c:3163
static int mov_write_minf_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
Definition: movenc.c:2793
unsigned frag_info_capacity
Definition: movenc.h:147
#define av_malloc(s)
int ff_hevc_annexb2mp4(AVIOContext *pb, const uint8_t *buf_in, int size, int filter_ps, int *ps_count)
Writes Annex B formatted HEVC NAL units to the provided AVIOContext.
Definition: hevc.c:999
Opaque data information usually continuous.
Definition: avutil.h:203
int missing_duration_warned
Definition: movenc.h:222
static int mov_preroll_write_stbl_atoms(AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:2453
int width
Video only.
Definition: codec_par.h:126
uint64_t mdat_size
Definition: movenc.h:189
#define av_assert2(cond)
assert() equivalent, that does lie in speed critical code.
Definition: avassert.h:64
AVOutputFormat ff_ipod_muxer
unsigned int samples_in_chunk
Definition: movenc.h:51
static int mov_write_dvcc_dvvc_tag(AVFormatContext *s, AVIOContext *pb, AVDOVIDecoderConfigurationRecord *dovi)
Definition: movenc.c:1822
#define MOV_CLASS(flavor)
Definition: movenc.c:113
8 bits with AV_PIX_FMT_RGB32 palette
Definition: pixfmt.h:77
static int mov_write_ctts_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:2352
AVOptions.
static int mov_write_dmlp_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:775
uint8_t lfe_on
Definition: ac3.h:189
A point in the output bytestream where the underlying AVIOContext might flush the buffer depending on...
Definition: avio.h:146
static int get_samples_per_packet(MOVTrack *track)
Definition: movenc.c:1031
Stereo 3D type: this structure describes how two videos are packed within a single video surface...
Definition: stereo3d.h:176
static int mov_get_mpeg2_xdcam_codec_tag(AVFormatContext *s, MOVTrack *track)
Definition: movenc.c:1410
static int mov_write_colr_tag(AVIOContext *pb, MOVTrack *track, int prefer_icc)
Definition: movenc.c:1903
const AVCodecTag ff_codec_movvideo_tags[]
Definition: isom.c:75
int frag_interleave
Definition: movenc.h:221
static int mov_pcm_le_gt16(enum AVCodecID codec_id)
Definition: movenc.c:693
timecode is drop frame
Definition: timecode.h:36
#define AV_RB32
Definition: intreadwrite.h:130
static av_cold int end(AVCodecContext *avctx)
Definition: avrndec.c:92
int64_t duration
Duration of this packet in AVStream->time_base units, 0 if unknown.
Definition: packet.h:373
static int mov_write_isml_manifest(AVIOContext *pb, MOVMuxContext *mov, AVFormatContext *s)
Definition: movenc.c:4134
This side data contains a 3x3 transformation matrix describing an affine transformation that needs to...
Definition: packet.h:108
int id
Format-specific stream ID.
Definition: avformat.h:883
void ff_format_io_close(AVFormatContext *s, AVIOContext **pb)
Definition: utils.c:5695
int encryption_key_len
Definition: movenc.h:227
static const AVOption options[]
Definition: movenc.c:61
#define MODE_PSP
Definition: movenc.h:39
static int mov_write_ms_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:709
static int64_t rescale_mdcv(AVRational q, int b)
Definition: movenc.c:1970
void avio_write_marker(AVIOContext *s, int64_t time, enum AVIODataMarkerType type)
Mark the written bytestream as a specific type.
Definition: aviobuf.c:471
uint8_t * av_stream_get_side_data(const AVStream *stream, enum AVPacketSideDataType type, int *size)
Get side information from stream.
Definition: utils.c:5508
static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:3034
static int mov_create_chapter_track(AVFormatContext *s, int tracknum)
Definition: movenc.c:5963
AVStream ** streams
A list of all streams in the file.
Definition: avformat.h:1419
int64_t duration
Definition: movenc.c:63
static int mov_write_vmhd_tag(AVIOContext *pb)
Definition: movenc.c:2687
#define MODE_MP4
Definition: movenc.h:36
packed RGB 5:6:5, 16bpp, (msb) 5R 6G 5B(lsb), big-endian
Definition: pixfmt.h:105
static int mov_write_prft_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks)
Definition: movenc.c:4699
int pal_done
Definition: movenc.h:164
static int mov_write_amr_tag(AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:305
A point in the output bytestream where a demuxer can start parsing (for non self synchronizing bytest...
Definition: avio.h:128
packed ABGR 8:8:8:8, 32bpp, ABGRABGR...
Definition: pixfmt.h:94
static int mov_write_sidx_tags(AVIOContext *pb, MOVMuxContext *mov, int tracks, int ref_size)
Definition: movenc.c:4664
static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov, AVFormatContext *s)
Definition: movenc.c:4039
double strtod(const char *, char **)
uint8_t * encryption_key
Definition: movenc.h:226
int ff_mov_cenc_init(MOVMuxCencContext *ctx, uint8_t *encryption_key, int use_subsamples, int bitexact)
Initialize a CENC context.
Definition: movenccenc.c:388
const char data[16]
Definition: mxf.c:91
const char * av_stereo3d_type_name(unsigned int type)
Provide a human-readable name of a given stereo3d type.
Definition: stereo3d.c:57
#define height
int64_t wallclock
A UTC timestamp, in microseconds, since Unix epoch (e.g, av_gettime()).
Definition: avcodec.h:502
int ff_avc_write_annexb_extradata(const uint8_t *in, uint8_t **buf, int *size)
Definition: avc.c:221
AVDictionaryEntry * av_dict_get(const AVDictionary *m, const char *key, const AVDictionaryEntry *prev, int flags)
Get a dictionary entry with matching key.
Definition: dict.c:40
int chapter_track
qt chapter track number
Definition: movenc.h:187
int flags
Flags modifying the (de)muxer behaviour.
Definition: avformat.h:1482
int need_rewrite_extradata
Definition: movenc.h:231
uint8_t * data
Definition: packet.h:355
#define FF_MOV_FLAG_OMIT_TFHD_OFFSET
Definition: movenc.h:248
static double av_q2d(AVRational a)
Convert an AVRational to a double.
Definition: rational.h:104
int ff_isom_write_vpcc(AVFormatContext *s, AVIOContext *pb, AVCodecParameters *par)
Writes VP codec configuration to the provided AVIOContext.
Definition: vpcc.c:149
int ff_isom_write_av1c(AVIOContext *pb, const uint8_t *buf, int size)
Writes AV1 extradata (Sequence Header and Metadata OBUs) to the provided AVIOContext.
Definition: av1.c:364
int start
timecode frame start (first base frame number)
Definition: timecode.h:42
void av_packet_move_ref(AVPacket *dst, AVPacket *src)
Move every field in src to dst and reset src.
Definition: avpacket.c:663
int64_t time
Definition: movenc.h:78
static void mov_free(AVFormatContext *s)
Definition: movenc.c:6161
#define MOV_TRUN_SAMPLE_SIZE
Definition: isom.h:319
uint32_t tag
Definition: movenc.c:1532
static int mov_write_covr(AVIOContext *pb, AVFormatContext *s)
Definition: movenc.c:3620
static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov, AVFormatContext *s)
Definition: movenc.c:3410
int fragments
Definition: movenc.h:200
static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:1717
int iods_audio_profile
Definition: movenc.h:197
bitstream reader API header.
#define MOV_TIMESCALE
Definition: movenc.h:32
#define AV_LOG_VERBOSE
Detailed information.
Definition: log.h:192
int max_fragment_duration
Definition: movenc.h:201
int av_match_ext(const char *filename, const char *extensions)
Return a positive value if the given filename has one of the given extensions, 0 otherwise.
Definition: format.c:38
static int mov_write_moof_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks, int64_t mdat_size)
Definition: movenc.c:4749
uint8_t bitstream_id
Definition: ac3.h:186
#define max(a, b)
Definition: cuda_runtime.h:33
Video is not stereoscopic (and metadata has to be there).
Definition: stereo3d.h:55
int buffer_size
The size of the buffer to which the ratecontrol is applied, in bits.
Definition: avcodec.h:481
int64_t mdat_pos
Definition: movenc.h:188
static av_always_inline int64_t avio_tell(AVIOContext *s)
ftell() equivalent for AVIOContext.
Definition: avio.h:557
int has_luminance
Flag indicating whether the luminance (min_ and max_) have been set.
int av_reduce(int *dst_num, int *dst_den, int64_t num, int64_t den, int64_t max)
Reduce a fraction.
Definition: rational.c:35
void ff_mov_close_hinting(MOVTrack *track)
Definition: movenchint.c:459
static int mov_write_uuid_tag_ipod(AVIOContext *pb)
Write uuid atom.
Definition: movenc.c:1688
unsigned int size
Definition: movenc.h:50
void avio_write(AVIOContext *s, const unsigned char *buf, int size)
Definition: aviobuf.c:213
static av_always_inline void ffio_wfourcc(AVIOContext *pb, const uint8_t *s)
Definition: avio_internal.h:58
static unsigned int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
Definition: movenc.c:1665
#define AVFMT_FLAG_BITEXACT
When muxing, try to avoid writing any random/volatile data to the output.
Definition: avformat.h:1499
#define FF_MOV_FLAG_DASH
Definition: movenc.h:251
#define AV_WB16(p, v)
Definition: intreadwrite.h:405
void * av_realloc_array(void *ptr, size_t nmemb, size_t size)
Allocate, reallocate, or free an array.
Definition: mem.c:198
static const uint16_t fiel_data[]
Definition: movenc.c:1700
uint64_t channel_layout
Audio only.
Definition: codec_par.h:162
#define av_log(a,...)
#define MOV_TFHD_DEFAULT_SIZE
Definition: isom.h:311
static int mov_write_nmhd_tag(AVIOContext *pb)
Definition: movenc.c:2595
#define AV_OPT_FLAG_ENCODING_PARAM
a generic parameter which can be set by the user for muxing or encoding
Definition: opt.h:276
int ism_lookahead
Definition: movenc.h:204
int av_packet_ref(AVPacket *dst, const AVPacket *src)
Setup a new reference to the data described by a given packet.
Definition: avpacket.c:614
#define ROUNDED_DIV(a, b)
Definition: common.h:56
int64_t bit_rate
The average bitrate of the encoded data (in bits per second).
Definition: codec_par.h:89
#define FF_COMPLIANCE_UNOFFICIAL
Allow unofficial extensions.
Definition: avcodec.h:1593
#define AV_PKT_FLAG_KEY
The packet contains a keyframe.
Definition: packet.h:388
#define MODE_3G2
Definition: movenc.h:41
const AVCodecTag codec_ism_tags[]
Definition: movenc.c:7058
uint64_t ff_ntp_time(void)
Get the current time since NTP epoch in microseconds.
Definition: utils.c:4712
static int compute_sidx_size(AVFormatContext *s)
Definition: movenc.c:6799
int64_t av_rescale_q(int64_t a, AVRational bq, AVRational cq)
Rescale a 64-bit integer by 2 rational numbers.
Definition: mathematics.c:142
uint32_t tref_tag
Definition: movenc.h:117
uint8_t lfeon
Definition: movenc.c:389
uint32_t flags
Definition: movenc.h:58
#define MOV_TIMECODE_FLAG_DROPFRAME
Definition: movenc.h:100
static void mov_parse_vc1_frame(AVPacket *pkt, MOVTrack *trk)
Definition: movenc.c:5067
DOVI configuration ref: dolby-vision-bitstreams-within-the-iso-base-media-file-format-v2.1.2, section 2.2 dolby-vision-bitstreams-in-mpeg-2-transport-stream-multiplex-v1.2, section 3.3 Tags are stored in struct AVDOVIDecoderConfigurationRecord.
Definition: packet.h:283
static int mov_write_udta_sdp(AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:3181
int ff_parse_creation_time_metadata(AVFormatContext *s, int64_t *timestamp, int return_seconds)
Parse creation_time in AVFormatContext metadata if exists and warn if the parsing fails...
Definition: utils.c:5707
Content light level needed by to transmit HDR over HDMI (CTA-861.3).
#define i(width, name, range_min, range_max)
Definition: cbs_h2645.c:269
AVCodecID
Identify the syntax and semantics of the bitstream.
Definition: codec_id.h:46
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
Definition: log.h:176
AVDictionary * metadata
Metadata that applies to the whole file.
Definition: avformat.h:1591
int av_get_bits_per_sample(enum AVCodecID codec_id)
Return codec bits per sample.
Definition: utils.c:1580
int flags
Additional information about the frame packing.
Definition: stereo3d.h:185
static int mov_write_mdta_ilst_tag(AVIOContext *pb, MOVMuxContext *mov, AVFormatContext *s)
Definition: movenc.c:3731
static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov, AVFormatContext *s)
Definition: movenc.c:3753
int64_t tfrf_offset
Definition: movenc.h:80
#define MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO
Definition: isom.h:330
static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
Definition: movenc.c:4831
static int mov_write_stsz_tag(AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:193
int64_t duration
Definition: movenc.h:79
uint8_t frame_type
Definition: ac3.h:190
static void put_descr(AVIOContext *pb, int tag, unsigned int size)
Definition: movenc.c:616
FLAC (Free Lossless Audio Codec) decoder/demuxer common functions.
static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov, AVFormatContext *s)
Definition: movenc.c:3648
static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:1262
#define AV_RB16
Definition: intreadwrite.h:53
#define AVERROR(e)
Definition: error.h:43
uint8_t acmod
Definition: movenc.c:387
static int mov_write_int8_metadata(AVFormatContext *s, AVIOContext *pb, const char *name, const char *tag, int len)
Definition: movenc.c:3593
uint8_t * av_packet_get_side_data(const AVPacket *pkt, enum AVPacketSideDataType type, int *size)
Get side information from packet.
Definition: avpacket.c:353
AVPacket cover_image
Definition: movenc.h:137
int video_track_timescale
Definition: movenc.h:208
static int mov_write_dvc1_structs(MOVTrack *track, uint8_t *buf)
Definition: movenc.c:875
ICC profile data consisting of an opaque octet buffer following the format described by ISO 15076-1...
Definition: packet.h:274
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:188
int ff_av1_filter_obus_buf(const uint8_t *in, uint8_t **out, int *size, int *offset)
Filter out AV1 OBUs not meant to be present in ISOBMFF sample data and return the result in a data bu...
Definition: av1.c:86
#define MODE_3GP
Definition: movenc.h:38
enum AVColorPrimaries color_primaries
Definition: codec_par.h:147
packed BGRA 8:8:8:8, 32bpp, BGRABGRA...
Definition: pixfmt.h:95
char * url
input or output URL.
Definition: avformat.h:1447
uint8_t sr_code
Definition: ac3.h:185
static int mov_write_clap_tag(AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:1852
const char * r
Definition: vf_curves.c:114
unsigned int pos
Definition: spdifenc.c:412
#define AV_LOG_DEBUG
Stuff which is only useful for libav* developers.
Definition: log.h:197
int ff_isom_write_hvcc(AVIOContext *pb, const uint8_t *data, int size, int ps_array_completeness)
Writes HEVC extradata (parameter sets, declarative SEI NAL units) to the provided AVIOContext...
Definition: hevc.c:1068
int ff_mov_cenc_avc_parse_nal_units(MOVMuxCencContext *ctx, AVIOContext *pb, const uint8_t *buf_in, int size)
Parse AVC NAL units from annex B format, the nal size and type are written in the clear while the bod...
Definition: movenccenc.c:192
AVStream * video_st
Definition: movenc.c:59
preferred ID for decoding MPEG audio layer 1, 2 or 3
Definition: codec_id.h:411
#define av_fourcc2str(fourcc)
Definition: avutil.h:348
enum AVMediaType codec_type
General type of the encoded data.
Definition: codec_par.h:56
AVChapter ** chapters
Definition: avformat.h:1581
static AVDictionaryEntry * get_metadata_lang(AVFormatContext *s, const char *tag, int *lang)
Definition: movenc.c:3460
static int mov_write_trun_tag(AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track, int moof_size, int first, int end)
Definition: movenc.c:4347
#define FF_MOV_FLAG_WRITE_GAMA
Definition: movenc.h:256
static int mov_create_dvd_sub_decoder_specific_info(MOVTrack *track, AVStream *st)
Definition: movenc.c:6216
void * av_mallocz(size_t size)
Allocate a memory block with alignment suitable for all memory accesses (including vectors if availab...
Definition: mem.c:237
Coded AC-3 header values up to the lfeon element, plus derived values.
Definition: ac3.h:179
static av_always_inline av_const double round(double x)
Definition: libm.h:444
int height
active picture (w/o VBI) height for D-10/IMX
Definition: movenc.h:116
#define MOV_SAMPLE_DEPENDENCY_UNKNOWN
Definition: isom.h:338
static int mov_write_track_udta_tag(AVIOContext *pb, MOVMuxContext *mov, AVStream *st)
Definition: movenc.c:3216
#define FF_MOV_FLAG_SEPARATE_MOOF
Definition: movenc.h:244
int is_unaligned_qt_rgb
Definition: movenc.h:166
#define AES_CTR_KEY_SIZE
Definition: aes_ctr.h:30
static int mov_setup_track_ids(MOVMuxContext *mov, AVFormatContext *s)
Assign track ids.
Definition: movenc.c:4005
uint8_t bsmod
Definition: movenc.c:385
static const uint8_t offset[127][2]
Definition: vf_spp.c:93
AVRational avg_frame_rate
Average framerate.
Definition: avformat.h:949
const AVCodecTag ff_codec_wav_tags[]
Definition: riff.c:506
#define FFMAX(a, b)
Definition: common.h:94
int ff_avc_parse_nal_units_buf(const uint8_t *buf_in, uint8_t **buf, int *size)
Definition: avc.c:95
AVRational max_luminance
Max luminance of mastering display (cd/m^2).
packed ARGB 8:8:8:8, 32bpp, ARGBARGB...
Definition: pixfmt.h:92
#define MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES
Definition: isom.h:331
MOVEncryptionScheme encryption_scheme
Definition: movenc.h:225
size_t av_strlcpy(char *dst, const char *src, size_t size)
Copy the string src to dst, but no more than size - 1 bytes, and null-terminate dst.
Definition: avstring.c:83
#define fail()
Definition: checkasm.h:123
int mode
Definition: movenc.h:85
const AVCodecTag ff_mp4_obj_type[]
Definition: isom.c:34
static const AVCodecTag codec_cover_image_tags[]
Definition: movenc.c:1638
static av_always_inline uint64_t ff_dnxhd_parse_header_prefix(const uint8_t *buf)
Definition: dnxhddata.h:86
const AVCodecTag ff_codec_movsubtitle_tags[]
Definition: isom.c:381
packed RGBA 8:8:8:8, 32bpp, RGBARGBA...
Definition: pixfmt.h:93
int flags
A combination of AV_PKT_FLAG values.
Definition: packet.h:361
static int mov_write_mdcv_tag(AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:1975
static int put_bits_count(PutBitContext *s)
Definition: put_bits.h:67
int extradata_size
Size of the extradata content in bytes.
Definition: codec_par.h:78
planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
Definition: pixfmt.h:70
int av_reallocp_array(void *ptr, size_t nmemb, size_t size)
Allocate, reallocate, or free an array through a pointer to a pointer.
Definition: mem.c:206
static float distance(float x, float y, int band)
int vos_len
Definition: movenc.h:111
int iods_skip
Definition: movenc.h:195
static int mov_flush_fragment_interleaving(AVFormatContext *s, MOVTrack *track)
Definition: movenc.c:5146
unsigned int nb_streams
Number of elements in AVFormatContext.streams.
Definition: avformat.h:1407
uint32_t bound_bottom
Distance from the bottom edge.
Definition: spherical.h:170
int ff_avc_parse_nal_units(AVIOContext *pb, const uint8_t *buf_in, int size)
Definition: avc.c:73
int64_t pts
Definition: movenc.h:49
static int mov_write_identification(AVIOContext *pb, AVFormatContext *s)
Definition: movenc.c:5017
#define LIBAVFORMAT_IDENT
Definition: version.h:46
int block_align
Audio only.
Definition: codec_par.h:177
#define FF_MOV_FLAG_FRAG_DISCONT
Definition: movenc.h:252
static int mov_write_mdia_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
Definition: movenc.c:2885
uint64_t pos
Definition: movenc.h:47
#define MOV_DISPOSABLE_SAMPLE
Definition: movenc.h:57
int first_frag_written
Definition: movenc.h:153
MOVMuxCencContext cenc
Definition: movenc.h:161
int64_t dts
Definition: movenc.h:48
const char * name
Definition: qsvenc.c:46
#define MOV_FRAG_INFO_ALLOC_INCREMENT
Definition: movenc.h:30
#define MOV_TRACK_ENABLED
Definition: movenc.h:98
static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:2393
int seekable
A combination of AVIO_SEEKABLE_ flags or 0 when the stream is not seekable.
Definition: avio.h:260
#define FF_MOV_FLAG_SKIP_SIDX
Definition: movenc.h:261
Video frame is split into 6 faces of a cube, and arranged on a 3x2 layout.
Definition: spherical.h:65
int ff_alloc_extradata(AVCodecParameters *par, int size)
Allocate extradata with additional AV_INPUT_BUFFER_PADDING_SIZE at end which is always set to 0...
Definition: utils.c:3328
int write_tmcd
Definition: movenc.h:235
int per_stream_grouping
Definition: movenc.h:215
int64_t data_offset
Definition: movenc.h:140
static int mov_write_tfhd_tag(AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track, int64_t moof_offset)
Definition: movenc.c:4281
int64_t av_rescale(int64_t a, int64_t b, int64_t c)
Rescale a 64-bit integer with rounding to nearest.
Definition: mathematics.c:129
void ffio_fill(AVIOContext *s, int b, int count)
Definition: aviobuf.c:199
#define AV_TIME_BASE
Internal time base represented as integer.
Definition: avutil.h:254
#define FFMIN(a, b)
Definition: common.h:96
int nb_meta_tmcd
number of new created tmcd track based on metadata (aka not data copy)
Definition: movenc.h:186
Raw Video Codec.
const AVCodecTag ff_codec_bmp_tags[]
Definition: riff.c:32
static int mov_write_mvex_tag(AVIOContext *pb, MOVMuxContext *mov)
Definition: movenc.c:3338
uint8_t interlaced
Definition: mxfenc.c:2139
int audio_vbr
Definition: movenc.h:115
static int mov_check_bitstream(struct AVFormatContext *s, const AVPacket *pkt)
Definition: movenc.c:6996
AVRational min_luminance
Min luminance of mastering display (cd/m^2).
static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
Definition: movenc.c:3835
#define width
uint32_t bit_rate
Definition: ac3.h:204
#define MOV_TKHD_FLAG_IN_MOVIE
Definition: isom.h:334
#define MOV_PARTIAL_SYNC_SAMPLE
Definition: movenc.h:56
int ff_mov_init_hinting(AVFormatContext *s, int index, int src_index)
Definition: movenchint.c:29
AVProducerReferenceTime prft
Definition: movenc.h:59
AVPacket pkt
Definition: movenc.c:368
#define FF_PROFILE_UNKNOWN
Definition: avcodec.h:1860
static int write_trailer(AVFormatContext *s1)
Definition: v4l2enc.c:98
static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:1226
#define AVFMT_GLOBALHEADER
Format wants global header.
Definition: avformat.h:461
static int is_clcp_track(MOVTrack *track)
Definition: movenc.c:2696
void avio_wb24(AVIOContext *s, unsigned int val)
Definition: aviobuf.c:465
This side data should be associated with a video stream and corresponds to the AVSphericalMapping str...
Definition: packet.h:228
uint32_t bound_right
Distance from the right edge.
Definition: spherical.h:169
const char * name
Definition: avformat.h:500
int ff_get_packet_palette(AVFormatContext *s, AVPacket *pkt, int ret, uint32_t *palette)
Retrieves the palette from a packet, either from side data, or appended to the video data in the pack...
Definition: utils.c:5733
internal header for RIFF based (de)muxers do NOT include this in end user applications ...
int32_t
AVFormatContext * ctx
Definition: movenc.c:48
static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
Definition: movenc.c:1358
int ff_mov_cenc_avc_write_nal_units(AVFormatContext *s, MOVMuxCencContext *ctx, int nal_length_size, AVIOContext *pb, const uint8_t *buf_in, int size)
Write AVC NAL units that are in MP4 format, the nal size and type are written in the clear while the ...
Definition: movenccenc.c:232
long sample_size
Definition: movenc.h:92
static int mov_write_string_tag(AVIOContext *pb, const char *name, const char *value, int lang, int long_style)
Definition: movenc.c:3446
#define FF_MOV_FLAG_CMAF
Definition: movenc.h:262
#define FLAC_STREAMINFO_SIZE
Definition: flac.h:34
int frag_discont
Definition: movenc.h:142
#define s(width, name)
Definition: cbs_vp9.c:257
static int mov_write_smhd_tag(AVIOContext *pb)
Definition: movenc.c:2677
static int mov_auto_flush_fragment(AVFormatContext *s, int force)
Definition: movenc.c:5380
int avoid_negative_ts
Avoid negative timestamps during muxing.
Definition: avformat.h:1682
int reserved_moov_size
0 for disabled, -1 for automatic, size otherwise
Definition: movenc.h:210
static int mov_write_stco_tag(AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:169
#define AV_RL32
Definition: intreadwrite.h:146
static void param_write_string(AVIOContext *pb, const char *name, const char *value)
Definition: movenc.c:4120
int32_t yaw
Rotation around the up vector [-180, 180].
Definition: spherical.h:126
#define MOV_TRUN_SAMPLE_DURATION
Definition: isom.h:318
AVDictionary * metadata
Definition: avformat.h:940
int use_stream_ids_as_track_ids
Definition: movenc.h:233
packed RGB 8:8:8, 24bpp, BGRBGR...
Definition: pixfmt.h:69
enum AVCodecID codec_id
Definition: vaapi_decode.c:369
enum AVColorRange color_range
Video only.
Definition: codec_par.h:146
static int mov_write_hvcc_tag(AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:1248
Usually treated as AVMEDIA_TYPE_DATA.
Definition: avutil.h:200
static int mov_write_edts_tag(AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
Definition: movenc.c:3066
static int mov_init(AVFormatContext *s)
Definition: movenc.c:6266
enum AVPixelFormat pix_fmt
Definition: movenc.c:1531
#define MOV_SAMPLE_DEPENDENCY_YES
Definition: isom.h:339
static int mov_write_trex_tag(AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:3325
int64_t av_rescale_rnd(int64_t a, int64_t b, int64_t c, enum AVRounding rnd)
Rescale a 64-bit integer with specified rounding.
Definition: mathematics.c:58
#define FF_MOV_FLAG_FRAG_EVERY_FRAME
Definition: movenc.h:260
static int mov_get_h264_codec_tag(AVFormatContext *s, MOVTrack *track)
Definition: movenc.c:1472
preferred ID for MPEG-1/2 video decoding
Definition: codec_id.h:51
static int mov_write_raw_metadata_tag(AVFormatContext *s, AVIOContext *pb, const char *name, const char *key)
Definition: movenc.c:3775
#define AVERROR_EXPERIMENTAL
Requested feature is flagged experimental. Set strict_std_compliance if you really want to use it...
Definition: error.h:72
#define FF_ARRAY_ELEMS(a)
#define AV_DISPOSITION_ATTACHED_PIC
The stream is stored in the file as an attached picture/"cover art" (e.g.
Definition: avformat.h:844
#define MOV_TRACK_CTTS
Definition: movenc.h:96
offset must point to a pointer immediately followed by an int for the length
Definition: opt.h:229
the normal 2^n-1 "JPEG" YUV ranges
Definition: pixfmt.h:535
ff_const59 struct AVOutputFormat * oformat
The output container format.
Definition: avformat.h:1370
void ffio_free_dyn_buf(AVIOContext **s)
Free a dynamic buffer.
Definition: aviobuf.c:1431
static int mov_write_mfhd_tag(AVIOContext *pb, MOVMuxContext *mov)
Definition: movenc.c:4266
int iods_video_profile
Definition: movenc.h:196
AVOutputFormat ff_psp_muxer
#define AV_DISPOSITION_VISUAL_IMPAIRED
stream for visual impaired audiences
Definition: avformat.h:835
uint32_t padding
Number of pixels to pad from the edge of each cube face.
Definition: spherical.h:182
int avio_put_str(AVIOContext *s, const char *str)
Write a NULL-terminated string.
Definition: aviobuf.c:383
Stream structure.
Definition: avformat.h:876
static int get_sidx_size(AVFormatContext *s)
Definition: movenc.c:6756
uint64_t ff_get_formatted_ntp_time(uint64_t ntp_time_us)
Get the NTP time stamp formatted as per the RFC-5905.
Definition: utils.c:4717
#define AVERROR_PATCHWELCOME
Not yet implemented in FFmpeg, patches welcome.
Definition: error.h:62
int64_t end
chapter start/end time in time_base units
Definition: avformat.h:1311
Content light level (based on CTA-861.3).
Definition: packet.h:235
This structure describes the bitrate properties of an encoded bitstream.
Definition: avcodec.h:448
#define AVIO_SEEKABLE_NORMAL
Seeking works like for a local file.
Definition: avio.h:40
The AV_PKT_DATA_NEW_EXTRADATA is used to notify the codec or the format that the extradata buffer was...
Definition: packet.h:55
static int mov_write_av1c_tag(AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:1216
#define AV_DISPOSITION_DEFAULT
Definition: avformat.h:821
static unsigned int validate_codec_tag(const AVCodecTag *const *tags, unsigned int tag, int codec_id)
Definition: movenc.c:1645
enum AVStereo3DType type
How views are packed within the video.
Definition: stereo3d.h:180
enum AVPixelFormat avpriv_find_pix_fmt(const PixelFormatTag *tags, unsigned int fourcc)
Definition: utils.c:483
#define AV_LOG_INFO
Standard information.
Definition: log.h:187
static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:636
int64_t end_pts
Definition: movenc.h:121
#define MOV_INDEX_CLUSTER_SIZE
Definition: movenc.h:31
int track_ids_ok
Definition: movenc.h:234
static int mov_write_d263_tag(AVIOContext *pb)
Definition: movenc.c:1204
#define FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS
Definition: movenc.h:259
Views are on top of each other.
Definition: stereo3d.h:79
AVOutputFormat ff_tgp_muxer
static av_always_inline int vc1_unescape_buffer(const uint8_t *src, int size, uint8_t *dst)
Definition: vc1_common.h:70
const AVCodecTag ff_codec_movaudio_tags[]
Definition: isom.c:321
int duration
Definition: isom.h:58
#define AV_TIME_BASE_Q
Internal time base represented as fractional value.
Definition: avutil.h:260
int cts
Definition: movenc.h:54
Timecode helpers header.
AVIOContext * pb
I/O context.
Definition: avformat.h:1393
static void mov_write_ftyp_tag_internal(AVIOContext *pb, AVFormatContext *s, int has_h264, int has_video, int write_minor)
Definition: movenc.c:4842
static int init_get_bits8(GetBitContext *s, const uint8_t *buffer, int byte_size)
Initialize GetBitContext.
Definition: get_bits.h:677
static void mov_prune_frag_info(MOVMuxContext *mov, int tracks, int max)
Definition: movenc.c:4513
const struct AVCodecTag *const * codec_tag
List of supported codec_id-codec_tag pairs, ordered by "better choice first".
Definition: avformat.h:525
#define MOV_SAMPLE_DEPENDENCY_NO
Definition: isom.h:340
#define FF_RTP_FLAG_OPTS(ctx, fieldname)
Definition: rtpenc.h:74
void avio_w8(AVIOContext *s, int b)
Definition: aviobuf.c:191
static uint32_t rgb_to_yuv(uint32_t rgb)
Definition: movenc.c:6200
#define MOV_TRUN_FIRST_SAMPLE_FLAGS
Definition: isom.h:317
void av_packet_unref(AVPacket *pkt)
Wipe the packet.
Definition: avpacket.c:605
#define FF_MOV_FLAG_FRAG_CUSTOM
Definition: movenc.h:245
uint32_t timecode_flags
Definition: movenc.h:103
int hint_track
the track that hints this track, -1 if no hint track is set
Definition: movenc.h:125
static int mov_write_dops_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:752
static int mov_write_hmhd_tag(AVIOContext *pb)
Definition: movenc.c:2778
int slices
Definition: movenc.h:156
static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
Definition: movenc.c:5046
packed YUV 4:2:2, 16bpp, Y0 Cb Y1 Cr
Definition: pixfmt.h:67
#define FF_MOV_FLAG_GLOBAL_SIDX
Definition: movenc.h:254
static int mov_write_dvc1_tag(AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:958
static void build_chunks(MOVTrack *trk)
Definition: movenc.c:3970
Replacements for frequently missing libm functions.
static int mov_write_stbl_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
Definition: movenc.c:2548
uint32_t default_size
Definition: movenc.h:134
static unsigned int get_bits1(GetBitContext *s)
Definition: get_bits.h:498
int ff_mov_cenc_write_sinf_tag(MOVTrack *track, AVIOContext *pb, uint8_t *kid)
Write the sinf atom, contained inside stsd.
Definition: movenccenc.c:364
#define AV_PIX_FMT_YUV420P10
Definition: pixfmt.h:397
unsigned int count
Definition: isom.h:57
double value
Definition: eval.c:98
float gamma
Definition: movenc.h:219
#define FF_MOV_FLAG_RTP_HINT
Definition: movenc.h:240
static void skip_bits(GetBitContext *s, int n)
Definition: get_bits.h:467
#define AV_WB32(p, v)
Definition: intreadwrite.h:419
#define FF_COMPLIANCE_NORMAL
Definition: avcodec.h:1592
AVFormatContext * fc
Definition: movenc.h:216
Y , 16bpp, big-endian.
Definition: pixfmt.h:97
int index
Definition: gxfenc.c:89
static int mov_write_wfex_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:721
unsigned int chunkNum
Chunk number if the current entry is a chunk start otherwise 0.
Definition: movenc.h:52
unsigned int avpriv_toupper4(unsigned int x)
Definition: utils.c:1883
int32_t roll
Rotation around the forward vector [-180, 180].
Definition: spherical.h:128
static int co64_required(const MOVTrack *track)
Definition: movenc.c:145
Rational number (pair of numerator and denominator).
Definition: rational.h:58
Mastering display metadata capable of representing the color volume of the display used to master the...
uint64_t time
Definition: movenc.h:88
int first_packet_seq
Definition: movenc.h:150
#define FF_MOV_FLAG_SKIP_TRAILER
Definition: movenc.h:258
static void param_write_hex(AVIOContext *pb, const char *name, const uint8_t *value, int len)
Definition: movenc.c:4125
static int init_get_bits(GetBitContext *s, const uint8_t *buffer, int bit_size)
Initialize GetBitContext.
Definition: get_bits.h:659
int64_t time
Definition: movenc.h:184
uint16_t frame_size
Definition: ac3.h:206
int has_keyframes
Definition: movenc.h:94
cl_device_type type
int ffio_open_null_buf(AVIOContext **s)
Open a write-only fake memory stream.
Definition: aviobuf.c:1454
struct eac3_info::@263 substream[1]
int entry
Definition: movenc.h:86
void avio_flush(AVIOContext *s)
Force flushing of buffered data.
Definition: aviobuf.c:233
static int mov_write_chan_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:804
static int mov_write_loci_tag(AVFormatContext *s, AVIOContext *pb)
Definition: movenc.c:3515
size_t av_strlcatf(char *dst, size_t size, const char *fmt,...)
Definition: avstring.c:101
static int mov_write_gama_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track, double gamma)
Definition: movenc.c:1880
#define MOV_TFHD_DEFAULT_FLAGS
Definition: isom.h:312
static int mov_write_clli_tag(AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:1951
#define AVFMT_AVOID_NEG_TS_AUTO
Enabled when required by target format.
Definition: avformat.h:1683
MOVFragmentInfo * frag_info
Definition: movenc.h:146
#define snprintf
Definition: snprintf.h:34
char * major_brand
Definition: movenc.h:213
int64_t start_cts
Definition: movenc.h:120
#define AVFMT_FLAG_AUTO_BSF
Add bitstream filters as requested by the muxer.
Definition: avformat.h:1510
This structure describes how to handle spherical videos, outlining information about projection...
Definition: spherical.h:82
#define MOV_TRUN_SAMPLE_FLAGS
Definition: isom.h:320
uint8_t * vos_data
Definition: movenc.h:112
int first_packet_entry
Definition: movenc.h:151
#define TAG_IS_AVCI(tag)
Definition: isom.h:343
uint32_t palette[AVPALETTE_COUNT]
Definition: movenc.h:163
#define MOV_TFHD_STSD_ID
Definition: isom.h:309
AVOutputFormat ff_mov_muxer
size_t av_strlcat(char *dst, const char *src, size_t size)
Append the string src to the string dst, but to a total length of no more than size - 1 bytes...
Definition: avstring.c:93
Round toward -infinity.
Definition: mathematics.h:82
static const AVCodecTag codec_3gp_tags[]
Definition: movenc.c:7011
AVRational display_primaries[3][2]
CIE 1931 xy chromaticity coords of color primaries (r, g, b order).
mfxU16 profile
Definition: qsvenc.c:45
static int mov_write_tkhd_tag(AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track, AVStream *st)
Definition: movenc.c:2918
static int mov_write_enda_tag(AVIOContext *pb)
Definition: movenc.c:600
static int mov_write_hdlr_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:2702
static int mov_write_gmhd_tag(AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:2625
void avio_wb16(AVIOContext *s, unsigned int val)
Definition: aviobuf.c:453
#define flags(name, subs,...)
Definition: cbs_av1.c:565
AVOutputFormat ff_ismv_muxer
static void write_matrix(AVIOContext *pb, int16_t a, int16_t b, int16_t c, int16_t d, int16_t tx, int16_t ty)
Definition: movenc.c:2904
#define AV_PIX_FMT_YUV422P10
Definition: pixfmt.h:398
uint16_t data_rate
Definition: movenc.c:374
packed RGB 5:5:5, 16bpp, (msb)1X 5R 5G 5B(lsb), big-endian , X=unused/undefined
Definition: pixfmt.h:107
AVFormatContext * rtp_ctx
the format context for the hinting rtp muxer
Definition: movenc.h:127
int bits_per_raw_sample
This is the number of valid bits in each output sample.
Definition: codec_par.h:115
uint8_t level
Definition: svq3.c:210
uint32_t bound_top
Distance from the top edge.
Definition: spherical.h:168
int track_id
Definition: movenc.h:105
static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov, AVFormatContext *s)
Definition: movenc.c:3861
unsigned int tag
Definition: internal.h:44
static int mov_write_trailer(AVFormatContext *s)
Definition: movenc.c:6880
the normal 219*2^(n-8) "MPEG" YUV ranges
Definition: pixfmt.h:534
int64_t start
Definition: avformat.h:1311
static av_always_inline AVRational av_inv_q(AVRational q)
Invert a rational.
Definition: rational.h:159
int sample_rate
Audio only.
Definition: codec_par.h:170
#define FF_MOV_FLAG_FRAG_KEYFRAME
Definition: movenc.h:243
#define AVFMT_AVOID_NEG_TS_MAKE_ZERO
Shift timestamps so that they start at 0.
Definition: avformat.h:1685
AVCodecParameters * avcodec_parameters_alloc(void)
Allocate a new AVCodecParameters and set its fields to default values (unknown/invalid/0).
Definition: utils.c:2094
static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s, const char *tag, const char *str)
Definition: movenc.c:3813
static int mov_write_sv3d_tag(AVFormatContext *s, AVIOContext *pb, AVSphericalMapping *spherical_mapping)
Definition: movenc.c:1764
static int mov_write_audio_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
Definition: movenc.c:1052
static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
Definition: movenc.c:3349
Y , 1bpp, 0 is black, 1 is white, in each byte pixels are ordered from the msb to the lsb...
Definition: pixfmt.h:76
static int defined_frame_rate(AVFormatContext *s, AVStream *st)
Definition: movenc.c:1401
Main libavformat public API header.
static int mov_write_ac3_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:319
static int mov_write_tfrf_tags(AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
Definition: movenc.c:4459
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
Definition: pixfmt.h:66
Y , 8bpp.
Definition: pixfmt.h:74
void ff_sdp_write_media(char *buff, int size, AVStream *st, int idx, const char *dest_addr, const char *dest_type, int port, int ttl, AVFormatContext *fmt)
Append the media-specific SDP fragment for the media stream c to the buffer buff. ...
Definition: sdp.c:850
int packet_seq
Definition: movenc.h:154
#define FF_DISABLE_DEPRECATION_WARNINGS
Definition: internal.h:84
static int mov_write_tfra_tag(AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:4781
common internal api header.
static void flush_put_bits(PutBitContext *s)
Pad the end of the output stream with zeros.
Definition: put_bits.h:101
if(ret< 0)
Definition: vf_mcdeint.c:279
#define MOV_TFHD_BASE_DATA_OFFSET
Definition: isom.h:308
static int ref[MAX_W *MAX_W]
Definition: jpeg2000dwt.c:107
static int mov_create_timecode_track(AVFormatContext *s, int index, int src_index, AVTimecode tc)
Definition: movenc.c:6070
Y , 1bpp, 0 is white, 1 is black, in each byte pixels are ordered from the msb to the lsb...
Definition: pixfmt.h:75
enum AVSphericalProjection projection
Projection type.
Definition: spherical.h:86
static uint32_t get_sample_flags(MOVTrack *track, MOVIentry *entry)
Definition: movenc.c:4275
#define MOV_SYNC_SAMPLE
Definition: movenc.h:55
static int mov_write_tfxd_tag(AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:4403
#define flag(name)
Definition: cbs_av1.c:557
static double c[64]
int profile
Codec-specific bitstream restrictions that the stream conforms to.
Definition: codec_par.h:120
packed RGB 16:16:16, 48bpp, 16R, 16G, 16B, the 2-byte value for each R/G/B component is stored as big...
Definition: pixfmt.h:102
static int rtp_hinting_needed(const AVStream *st)
Definition: movenc.c:159
int disposition
AV_DISPOSITION_* bit field.
Definition: avformat.h:929
uint32_t max_packet_size
Definition: movenc.h:130
AVOutputFormat ff_mp4_muxer
static int mov_write_eac3_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:539
static int mov_write_sidx_tag(AVIOContext *pb, MOVTrack *track, int ref_size, int total_sidx_size)
Definition: movenc.c:4602
Stereoscopic video.
int src_track
the track that this hint (or tmcd) track describes
Definition: movenc.h:126
static void init(int bf, int audio_preroll)
Definition: movenc.c:242
AVRational time_base
time base in which the start/end timestamps are specified
Definition: avformat.h:1310
int av_grow_packet(AVPacket *pkt, int grow_by)
Increase packet size, correctly zeroing padding.
Definition: avpacket.c:111
int multichannel_as_mono
Definition: movenc.h:109
const char * avcodec_get_name(enum AVCodecID id)
Get the name of a codec.
Definition: utils.c:1212
void av_init_packet(AVPacket *pkt)
Initialize optional fields of a packet with default values.
Definition: avpacket.c:35
int64_t nb_frames
number of frames in this stream if known or 0
Definition: avformat.h:927
static int mov_write_wave_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:832
static int mov_write_traf_tag(AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track, int64_t moof_offset, int moof_size)
Definition: movenc.c:4539
char * key
Definition: dict.h:86
static void init_put_bits(PutBitContext *s, uint8_t *buffer, int buffer_size)
Initialize the PutBitContext s.
Definition: put_bits.h:48
int den
Denominator.
Definition: rational.h:60
MOVIentry * cluster
Definition: movenc.h:113
unsigned bps
Definition: movenc.c:1533
int av_timecode_check_frame_rate(AVRational rate)
Check if the timecode feature is available for the given frame rate.
Definition: timecode.c:179
#define AV_INPUT_BUFFER_PADDING_SIZE
Required number of additionally allocated bytes at the end of the input bitstream for decoding...
Definition: avcodec.h:215
#define MODE_IPOD
Definition: movenc.h:42
static int mov_write_tmpo_tag(AVIOContext *pb, AVFormatContext *s)
Definition: movenc.c:3497
This structure supplies correlation between a packet timestamp and a wall clock production time...
Definition: avcodec.h:498
static int mov_write_mdta_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov, AVFormatContext *s)
Definition: movenc.c:3688
#define FF_MOV_FLAG_DISABLE_CHPL
Definition: movenc.h:249
static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
Definition: movenc.c:3296
A point in the output bytestream where a decoder can start decoding (i.e.
Definition: avio.h:122
static int mov_write_stss_tag(AVIOContext *pb, MOVTrack *track, uint32_t flag)
Definition: movenc.c:258
#define xf(width, name, var, range_min, range_max, subs,...)
Definition: cbs_av1.c:668
#define av_free(p)
char * value
Definition: dict.h:87
uint32_t default_sample_flags
Definition: movenc.h:133
#define FF_ENABLE_DEPRECATION_WARNINGS
Definition: internal.h:85
unsigned timescale
Definition: movenc.h:87
int len
#define FF_MOV_FLAG_DEFAULT_BASE_MOOF
Definition: movenc.h:250
static int mov_write_mfra_tag(AVIOContext *pb, MOVMuxContext *mov)
Definition: movenc.c:4805
int avg_bitrate
Average bitrate of the stream, in bits per second.
Definition: avcodec.h:472
int substreamid
substream identification
Definition: ac3.h:191
static int64_t calc_pts_duration(MOVMuxContext *mov, MOVTrack *track)
Definition: movenc.c:2828
MOVPrftBox write_prft
Definition: movenc.h:236
static int mov_write_vpcc_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:1236
int ff_stream_add_bitstream_filter(AVStream *st, const char *name, const char *args)
Add a bitstream filter to a stream.
Definition: utils.c:5579
uint8_t ec3_done
Definition: movenc.c:369
static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
Definition: movenc.c:3426
void * priv_data
Format private data.
Definition: avformat.h:1379
static int mov_write_header(AVFormatContext *s)
Definition: movenc.c:6603
This side data corresponds to the AVCPBProperties struct.
Definition: packet.h:145
static void write_header(FFV1Context *f)
Definition: ffv1enc.c:346
#define lrint
Definition: tablegen.h:53
uint32_t bound_left
Distance from the left edge.
Definition: spherical.h:167
int64_t reserved_header_pos
Definition: movenc.h:211
int ff_reshuffle_raw_rgb(AVFormatContext *s, AVPacket **ppkt, AVCodecParameters *par, int expected_stride)
Reshuffles the lines to use the user specified stride.
Definition: rawutils.c:25
static int64_t update_size(AVIOContext *pb, int64_t pos)
Definition: movenc.c:135
int bits_per_coded_sample
The number of bits per sample in the codedwords.
Definition: codec_par.h:102
uint8_t * extradata
Extra binary data needed for initializing the decoder, codec-dependent.
Definition: codec_par.h:74
#define FF_PROFILE_AAC_HE
Definition: avcodec.h:1867
#define MOV_TRUN_DATA_OFFSET
Definition: isom.h:316
int64_t start_dts
Definition: movenc.h:119
static int mov_write_mdhd_tag(AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
Definition: movenc.c:2845
#define CENC_KID_SIZE
Definition: movenccenc.h:29
int channels
Audio only.
Definition: codec_par.h:166
#define LIBAVCODEC_IDENT
Definition: version.h:42
int64_t dts
Decompression timestamp in AVStream->time_base units; the time at which the packet is decompressed...
Definition: packet.h:354
int tref_id
trackID of the referenced track
Definition: movenc.h:118
static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
Definition: movenc.c:4880
#define FF_MOV_FLAG_USE_MDTA
Definition: movenc.h:257
void avio_wb32(AVIOContext *s, unsigned int val)
Definition: aviobuf.c:375
static int check_pkt(AVFormatContext *s, AVPacket *pkt)
Definition: movenc.c:5394
int first_packet_seen
Definition: movenc.h:152
#define av_freep(p)
internal header for VPx codec configuration utilities.
const PixelFormatTag avpriv_pix_fmt_bps_mov[]
Definition: raw.c:328
static const AVCodecTag codec_ipod_tags[]
Definition: movenc.c:7063
static unsigned compute_avg_bitrate(MOVTrack *track)
Definition: movenc.c:625
#define AV_DICT_IGNORE_SUFFIX
Return first entry in a dictionary whose first part corresponds to the search key, ignoring the suffix of the found key string.
Definition: dict.h:70
static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:2218
static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:3152
int moov_written
Definition: movenc.h:199
#define MODE_F4V
Definition: movenc.h:44
AVCodecParameters * codecpar
Codec parameters associated with this stream.
Definition: avformat.h:1023
static int mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
Definition: movenc.c:4946
AVOutputFormat ff_tg2_muxer
#define av_malloc_array(a, b)
uint8_t fscod
Definition: movenc.c:379
uint32_t codec_tag
Additional information about the codec (corresponds to the AVI FOURCC).
Definition: codec_par.h:64
unsigned cluster_capacity
Definition: movenc.h:114
int num_blocks
number of audio blocks
Definition: ac3.h:195
int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
Definition: movenc.c:5432
uint8_t channel_mode
Definition: ac3.h:188
static int mov_get_lpcm_flags(enum AVCodecID codec_id)
Compute flags for &#39;lpcm&#39; tag.
Definition: movenc.c:986
const char * av_get_pix_fmt_name(enum AVPixelFormat pix_fmt)
Return the short name for a pixel format, NULL in case pix_fmt is unknown.
Definition: pixdesc.c:2465
int stream_index
Definition: packet.h:357
#define MODE_MOV
Definition: movenc.h:37
AVRational time_base
This is the fundamental unit of time (in seconds) in terms of which frame timestamps are represented...
Definition: avformat.h:905
uint32_t ff_mov_get_channel_layout_tag(enum AVCodecID codec_id, uint64_t channel_layout, uint32_t *bitmap)
Get the channel layout tag for the specified codec id and channel layout.
Definition: mov_chan.c:494
static double cr(void *priv, double x, double y)
Definition: vf_geq.c:216
static const struct @262 mov_pix_fmt_tags[]
void ff_mov_cenc_write_stbl_atoms(MOVMuxCencContext *ctx, AVIOContext *pb)
Write the cenc atoms that should reside inside stbl.
Definition: movenccenc.c:339
static int mov_write_stsd_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
Definition: movenc.c:2325
#define CONFIG_LIBX264_ENCODER
Definition: config.h:1452
#define AV_CH_LAYOUT_MONO
#define MKTAG(a, b, c, d)
Definition: common.h:406
#define AVFMT_TS_NEGATIVE
Format allows muxing negative timestamps.
Definition: avformat.h:477
uint8_t num_blocks
Definition: movenc.c:370
void * eac3_priv
Definition: movenc.h:159
static void enable_tracks(AVFormatContext *s)
Definition: movenc.c:6119
uint32_t flags
flags such as drop frame, +24 hours support, ...
Definition: timecode.h:43
const AVCodecTag codec_mp4_tags[]
Definition: movenc.c:7022
#define MODE_ISM
Definition: movenc.h:43
AVPixelFormat
Pixel format.
Definition: pixfmt.h:64
char * ff_data_to_hex(char *buf, const uint8_t *src, int size, int lowercase)
Definition: utils.c:4899
static double val(void *priv, double ch)
Definition: aeval.c:76
unsigned MaxFALL
Max average light level per frame (cd/m^2).
This structure stores compressed data.
Definition: packet.h:332
int64_t offset
Definition: movenc.h:77
int min_fragment_duration
Definition: movenc.h:202
MOVTrack * tracks
Definition: movenc.h:190
uint8_t num_ind_sub
Definition: movenc.c:376
static av_always_inline const uint8_t * find_next_marker(const uint8_t *src, const uint8_t *end)
Find VC-1 marker in buffer.
Definition: vc1_common.h:59
uint8_t num_dep_sub
Definition: movenc.c:392
int64_t pts
Presentation timestamp in AVStream->time_base units; the time at which the decompressed packet will b...
Definition: packet.h:348
uint8_t bsid
Definition: movenc.c:381
AVIOContext * mdat_buf
Definition: movenc.h:139
int ff_isom_write_avcc(AVIOContext *pb, const uint8_t *data, int len)
Definition: avc.c:108
#define t2
Definition: regdef.h:30
Header data; this needs to be present for the stream to be decodeable.
Definition: avio.h:115
#define FFMAX3(a, b, c)
Definition: common.h:95
int nb_streams
Definition: movenc.h:185
#define AV_NOPTS_VALUE
Undefined timestamp value.
Definition: avutil.h:248
static int mov_write_video_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
Definition: movenc.c:2032
int has_disposable
Definition: movenc.h:95
int avio_printf(AVIOContext *s, const char *fmt,...) av_printf_format(2
Writes a formatted string to the context.
#define MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC
Definition: isom.h:324
#define FF_PUT_WAV_HEADER_FORCE_WAVEFORMATEX
Tell ff_put_wav_header() to use WAVEFORMATEX even for PCM codecs.
Definition: riff.h:54
static int compute_moov_size(AVFormatContext *s)
Definition: movenc.c:6774
uint8_t * encryption_kid
Definition: movenc.h:228
void * av_mallocz_array(size_t nmemb, size_t size)
Allocate a memory block for an array with av_mallocz().
Definition: mem.c:190
int avio_get_dyn_buf(AVIOContext *s, uint8_t **pbuffer)
Return the written size and a pointer to the buffer.
Definition: aviobuf.c:1368
static int get_moov_size(AVFormatContext *s)
Definition: movenc.c:6743
bitstream writer API