58 #define BUFFER_SIZE 1024 59 #define BUFFER_REMAINING(x) (BUFFER_SIZE - strlen(x)) 60 #define BUFFER_CAT(x) (&((x)[strlen(x)])) 101 const AVFrame *picture,
int *got_packet);
128 return XVID_ERR_FAIL;
134 "# ffmpeg 2-pass log file, using xvid codec\n");
136 "# Do not modify. libxvidcore version: %d.%d.%d\n\n",
137 XVID_VERSION_MAJOR(XVID_VERSION),
138 XVID_VERSION_MINOR(XVID_VERSION),
139 XVID_VERSION_PATCH(XVID_VERSION));
153 xvid_plg_destroy_t *param)
170 xvid_plg_data_t *param)
173 int motion_replacements;
177 if (param->zone && param->zone->mode == XVID_ZONE_QUANT)
184 motion_remove = ~XVID_ME_CHROMA_PVOP &
185 ~XVID_ME_CHROMA_BVOP &
186 ~XVID_ME_EXTSEARCH16 &
187 ~XVID_ME_ADVANCEDDIAMOND16;
188 motion_replacements = XVID_ME_FAST_MODEINTERPOLATE |
189 XVID_ME_SKIP_DELTASEARCH |
190 XVID_ME_FASTREFINE16 |
191 XVID_ME_BFRAME_EARLYSTOP;
192 vop_remove = ~XVID_VOP_MODEDECISION_RD &
193 ~XVID_VOP_FAST_MODEDECISION_RD &
194 ~XVID_VOP_TRELLISQUANT &
198 param->vol_flags &= ~XVID_VOL_GMC;
199 param->vop_flags &= vop_remove;
200 param->motion_flags &= motion_remove;
201 param->motion_flags |= motion_replacements;
214 xvid_plg_data_t *param)
217 const char *frame_types =
" ipbs";
222 return XVID_ERR_FAIL;
225 if (param->type < 5 && param->type > 0)
226 frame_type = frame_types[param->type];
228 return XVID_ERR_FAIL;
231 "%c %d %d %d %d %d %d\n",
232 frame_type, param->stats.quant, param->stats.kblks,
233 param->stats.mblks, param->stats.ublks,
234 param->stats.length, param->stats.hlength);
256 case XVID_PLG_BEFORE:
258 case XVID_PLG_CREATE:
262 case XVID_PLG_DESTROY:
265 return XVID_ERR_FAIL;
283 unsigned int header_len,
284 unsigned int frame_len)
288 for (
i = 0;
i < header_len - 3;
i++) {
289 if (pkt->
data[
i] == 0x00 &&
290 pkt->
data[
i + 1] == 0x00 &&
291 pkt->
data[
i + 2] == 0x01 &&
292 pkt->
data[
i + 3] == 0xB6) {
309 memmove(pkt->
data, &pkt->
data[vo_len], frame_len - vo_len);
310 pkt->
size = frame_len - vo_len;
327 int est_frate, est_fbase;
334 gcd =
av_gcd(frate, fbase);
340 if (frate <= 65000 && fbase <= 65000) {
346 fps = (float) frate / (
float) fbase;
347 est_fps =
roundf(fps * 1000.0) / 1000.0;
349 est_frate = (
int) est_fps;
350 if (est_fps > (
int) est_fps) {
351 est_frate = (est_frate + 1) * 1000;
352 est_fbase = (
int)
roundf((
float) est_frate / est_fps);
356 gcd =
av_gcd(est_frate, est_fbase);
362 if (fbase > est_fbase) {
366 "Xvid: framerate re-estimated: %.2f, %.3f%% correction\n",
367 est_fps, (((est_fps - fps) / fps) * 100.0));
376 int xerr,
i, ret = -1;
377 int xvid_flags = avctx->
flags;
379 uint16_t *intra, *inter;
382 xvid_plugin_single_t single = { 0 };
384 xvid_plugin_2pass2_t rc2pass2 = { 0 };
385 xvid_plugin_lumimasking_t masking_l = { 0 };
386 xvid_plugin_lumimasking_t masking_v = { 0 };
387 xvid_plugin_ssim_t
ssim = { 0 };
388 xvid_gbl_init_t xvid_gbl_init = { 0 };
389 xvid_enc_create_t xvid_enc_create = { 0 };
390 xvid_enc_plugin_t plugins[4];
410 x->
me_flags |= XVID_ME_EXTSEARCH16 |
414 x->
me_flags |= XVID_ME_ADVANCEDDIAMOND8 |
415 XVID_ME_HALFPELREFINE8 |
416 XVID_ME_CHROMA_PVOP |
420 x->
me_flags |= XVID_ME_ADVANCEDDIAMOND16 |
421 XVID_ME_HALFPELREFINE16;
427 x->
vop_flags |= XVID_VOP_MODEDECISION_RD;
428 x->
me_flags |= XVID_ME_HALFPELREFINE8_RD |
429 XVID_ME_QUARTERPELREFINE8_RD |
430 XVID_ME_EXTSEARCH_RD |
431 XVID_ME_CHECKPREDICTION_RD;
433 if (!(x->
vop_flags & XVID_VOP_MODEDECISION_RD))
434 x->
vop_flags |= XVID_VOP_FAST_MODEDECISION_RD;
435 x->
me_flags |= XVID_ME_HALFPELREFINE16_RD |
436 XVID_ME_QUARTERPELREFINE16_RD;
449 x->
me_flags |= XVID_ME_QUARTERPELREFINE16;
451 x->
me_flags |= XVID_ME_QUARTERPELREFINE8;
454 xvid_gbl_init.version = XVID_VERSION;
455 xvid_gbl_init.debug = 0;
456 xvid_gbl_init.cpu_flags = 0;
459 xvid_global(
NULL, XVID_GBL_INIT, &xvid_gbl_init,
NULL);
462 xvid_enc_create.version = XVID_VERSION;
465 xvid_enc_create.width =
467 xvid_enc_create.height =
474 xvid_enc_create.zones =
NULL;
475 xvid_enc_create.num_zones = 0;
478 #if (XVID_VERSION <= 0x010303) && (XVID_VERSION >= 0x010300) 480 if (avctx->
height <= 16) {
482 xvid_enc_create.num_threads = 0;
485 "Too small height for threads > 1.");
491 xvid_enc_create.plugins = plugins;
492 xvid_enc_create.num_plugins = 0;
500 rc2pass1.
version = XVID_VERSION;
506 "Xvid: Cannot allocate 2-pass log buffers\n");
513 plugins[xvid_enc_create.num_plugins].param = &rc2pass1;
514 xvid_enc_create.num_plugins++;
516 rc2pass2.
version = XVID_VERSION;
528 "Xvid: No 2-pass information loaded for second pass\n");
535 else if (strlen(avctx->
stats_in) > ret) {
543 plugins[xvid_enc_create.num_plugins].func = xvid_plugin_2pass2;
544 plugins[xvid_enc_create.num_plugins].param = &rc2pass2;
545 xvid_enc_create.num_plugins++;
548 single.version = XVID_VERSION;
551 plugins[xvid_enc_create.num_plugins].func = xvid_plugin_single;
552 plugins[xvid_enc_create.num_plugins].param = &single;
553 xvid_enc_create.num_plugins++;
561 masking_l.method = 0;
562 plugins[xvid_enc_create.num_plugins].func = xvid_plugin_lumimasking;
566 plugins[xvid_enc_create.num_plugins].param =
568 xvid_enc_create.num_plugins++;
573 masking_v.method = 1;
574 plugins[xvid_enc_create.num_plugins].func = xvid_plugin_lumimasking;
575 plugins[xvid_enc_create.num_plugins].param = &masking_v;
576 xvid_enc_create.num_plugins++;
581 "Both lumi_aq and variance_aq are enabled. The resulting quality" 582 "will be the worse one of the two effects made by the AQ.\n");
586 plugins[xvid_enc_create.num_plugins].func = xvid_plugin_ssim;
587 ssim.b_printstat = x->
ssim == 2;
589 ssim.cpu_flags = xvid_gbl_init.cpu_flags;
590 ssim.b_visualize = 0;
591 plugins[xvid_enc_create.num_plugins].param = &
ssim;
592 xvid_enc_create.num_plugins++;
600 xvid_enc_create.max_key_interval = avctx->
gop_size;
602 xvid_enc_create.max_key_interval = 240;
605 if (xvid_flags & AV_CODEC_FLAG_QSCALE)
610 xvid_enc_create.min_quant[0] = avctx->
qmin;
611 xvid_enc_create.min_quant[1] = avctx->
qmin;
612 xvid_enc_create.min_quant[2] = avctx->
qmin;
613 xvid_enc_create.max_quant[0] = avctx->
qmax;
614 xvid_enc_create.max_quant[1] = avctx->
qmax;
615 xvid_enc_create.max_quant[2] = avctx->
qmax;
621 #if FF_API_PRIVATE_OPT 648 for (i = 0; i < 64; i++) {
657 xvid_enc_create.frame_drop_ratio = 0;
658 xvid_enc_create.global = 0;
660 xvid_enc_create.global |= XVID_GLOBAL_CLOSED_GOP;
681 xvid_enc_create.global |= XVID_GLOBAL_PACKED;
689 int size, got_packet, ret;
697 xerr = xvid_encore(
NULL, XVID_ENC_CREATE, &xvid_enc_create,
NULL);
704 size = ((avctx->
width + 1) & ~1) * ((avctx->
height + 1) & ~1);
706 if (!picture->
data[0]) {
711 picture->
data[2] = picture->
data[1] + size / 4;
712 memset(picture->
data[0], 0, size);
713 memset(picture->
data[1], 128, size / 2);
715 if (!ret && got_packet)
723 xerr = xvid_encore(
NULL, XVID_ENC_CREATE, &xvid_enc_create,
NULL);
735 const AVFrame *picture,
int *got_packet)
737 int xerr,
i, ret, user_packet = !!pkt->
data;
739 int mb_width = (avctx->
width + 15) / 16;
740 int mb_height = (avctx->
height + 15) / 16;
743 xvid_enc_frame_t xvid_enc_frame = { 0 };
744 xvid_enc_stats_t xvid_enc_stats = { 0 };
750 xvid_enc_frame.version = XVID_VERSION;
751 xvid_enc_stats.version = XVID_VERSION;
754 xvid_enc_frame.bitstream = pkt->
data;
755 xvid_enc_frame.length = pkt->
size;
760 "Xvid: Color spaces other than 420P not supported\n");
764 xvid_enc_frame.input.csp = XVID_CSP_PLANAR;
766 for (i = 0; i < 4; i++) {
767 xvid_enc_frame.input.plane[
i] = picture->
data[
i];
768 xvid_enc_frame.input.stride[
i] = picture->
linesize[
i];
774 xvid_enc_frame.motion = x->
me_flags;
775 xvid_enc_frame.type =
785 "Invalid pixel aspect ratio %i/%i, limit is 255/255 reducing\n",
790 xvid_enc_frame.par = XVID_PAR_EXT;
798 xvid_enc_frame.quant = 0;
806 &xvid_enc_frame, &xvid_enc_stats);
825 if (xvid_enc_stats.type == XVID_TYPE_PVOP)
827 else if (xvid_enc_stats.type == XVID_TYPE_BVOP)
829 else if (xvid_enc_stats.type == XVID_TYPE_SVOP)
834 #if FF_API_CODED_FRAME 843 if (xvid_enc_frame.out_flags & XVID_KEYFRAME) {
844 #if FF_API_CODED_FRAME 852 xvid_enc_stats.hlength, xerr);
854 #if FF_API_CODED_FRAME 870 "Xvid: Encoding Error Occurred: %i\n", xerr);
902 #define OFFSET(x) offsetof(struct xvid_context, x) 903 #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM 938 .wrapper_name =
"libxvid",
#define FF_CODEC_CAP_INIT_CLEANUP
The codec allows calling the close function for deallocation even if the init function returned a fai...
This structure describes decoded (raw) audio or video data.
char * old_twopassbuffer
Old character buffer (two-pass)
int ff_side_data_set_encoder_stats(AVPacket *pkt, int quality, int64_t *error, int error_count, int pict_type)
AVCodec ff_libxvid_encoder
#define AV_LOG_WARNING
Something somehow does not look correct.
int64_t bit_rate
the average bitrate
#define LIBAVUTIL_VERSION_INT
Memory handling functions.
int max_b_frames
maximum number of B-frames between non-B-frames Note: The output will be delayed by max_b_frames+1 re...
#define BUFFER_REMAINING(x)
const char * av_default_item_name(void *ptr)
Return the context name.
AVRational sample_aspect_ratio
sample aspect ratio (0 if unknown) That is the width of a pixel divided by the height of the pixel...
enum AVPixelFormat pix_fmt
Pixel format, see AV_PIX_FMT_xxx.
int avpriv_tempfile(const char *prefix, char **filename, int log_offset, void *log_ctx)
Wrapper to work around the lack of mkstemp() on mingw.
char * stats_in
pass2 encoding statistics input buffer Concatenated stuff from stats_out of pass1 should be placed he...
unsigned char * intra_matrix
P-Frame Quant Matrix.
int me_flags
Motion Estimation flags.
common functions for use with the Xvid wrappers
AVRational time_base
This is the fundamental unit of time (in seconds) in terms of which frame timestamps are represented...
const char * class_name
The name of the class; usually it is the same name as the context structure type to which the AVClass...
#define av_assert0(cond)
assert() equivalent, that is always enabled.
int ff_alloc_packet2(AVCodecContext *avctx, AVPacket *avpkt, int64_t size, int64_t min_size)
Check AVPacket size and/or allocate data.
#define FF_CODEC_CAP_INIT_THREADSAFE
The codec does not modify any global variables in the init function, allowing to call the init functi...
AVFrame * av_frame_alloc(void)
Allocate an AVFrame and set its fields to default values.
static int xvid_encode_frame(AVCodecContext *avctx, AVPacket *pkt, const AVFrame *picture, int *got_packet)
float b_quant_factor
qscale factor between IP and B-frames If > 0 then the last P-frame quantizer will be used (q= lastp_q...
uint8_t * extradata
some codecs need / can use extradata like Huffman tables.
int quicktime_format
Are we in a QT-based format?
struct xvid_context * context
Pointer to private context.
static int xvid_strip_vol_header(AVCodecContext *avctx, AVPacket *pkt, unsigned int header_len, unsigned int frame_len)
Routine to create a global VO/VOL header for MP4 container.
int av_reduce(int *dst_num, int *dst_den, int64_t num, int64_t den, int64_t max)
Reduce a fraction.
float lumi_masking
luminance masking (0-> disabled)
char * stats_out
pass1 encoding statistics output buffer
#define AV_CODEC_FLAG_GRAY
Only decode/encode grayscale.
#define AV_INPUT_BUFFER_MIN_SIZE
minimum encoding buffer size Used to avoid some checks during header writing.
#define AV_PKT_FLAG_KEY
The packet contains a keyframe.
static int xvid_ff_2pass(void *ref, int cmd, void *p1, void *p2)
Dispatch function for our custom plugin.
#define i(width, name, range_min, range_max)
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
#define AV_CODEC_FLAG_4MV
4 MV per MB allowed / advanced prediction for H.263.
void av_frame_free(AVFrame **frame)
Free the frame and any dynamically allocated objects in it, e.g.
int qmax
maximum quantizer
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
#define AV_LOG_DEBUG
Stuff which is only useful for libav* developers.
int flags
AV_CODEC_FLAG_*.
simple assert() macros that are a bit more flexible than ISO C assert().
int64_t av_gcd(int64_t a, int64_t b)
Compute the greatest common divisor of two integer operands.
const char * name
Name of the codec implementation.
int me_quality
Motion estimation quality.
int flags
A combination of AV_PKT_FLAG values.
static int xvid_encode_close(AVCodecContext *avctx)
char * twopassfile
second pass temp file name
common internal API header
static const AVOption options[]
#define BUFFER_SIZE
Buffer management macros.
int vop_flags
VOP flags for Xvid encoder.
Structure for the private first-pass plugin.
enum AVPictureType pict_type
Picture type of the frame.
#define AV_CODEC_FLAG_QSCALE
Use fixed qscale.
int variance_aq
Variance adaptive quantization.
#define AV_CODEC_FLAG_AC_PRED
H.263 advanced intra coding / MPEG-4 AC prediction.
Structure for the private Xvid context.
int width
picture width / height.
static const AVClass xvid_class
unsigned char * inter_matrix
I-Frame Quant Matrix.
#define AV_CODEC_FLAG_PASS1
Use internal 2pass ratecontrol in first pass mode.
int quality
quality (between 1 (good) and FF_LAMBDA_MAX (bad))
int mb_decision
macroblock decision mode
#define FF_ARRAY_ELEMS(a)
int thread_count
thread count is used to decide how many independent tasks should be passed to execute() ...
int ssim_acc
SSIM accuracy.
#define AV_LOG_INFO
Standard information.
Libavcodec external API header.
attribute_deprecated int mpeg_quant
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
main external API structure.
void av_packet_unref(AVPacket *pkt)
Wipe the packet.
int qmin
minimum quantizer
unsigned int codec_tag
fourcc (LSB first, so "ABCD" -> ('D'<<24) + ('C'<<16) + ('B'<<8) + 'A').
uint16_t * intra_matrix
custom intra quantization matrix Must be allocated with the av_malloc() family of functions...
Describe the class of an AVClass context structure.
char * twopassbuffer
Character buffer for two-pass.
float b_quant_offset
qscale offset between IP and B-frames
static av_cold int xvid_encode_init(AVCodecContext *avctx)
static av_always_inline av_const float roundf(float x)
uint16_t * inter_matrix
custom inter quantization matrix Must be allocated with the av_malloc() family of functions...
#define AV_CODEC_FLAG_QPEL
Use qpel MC.
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
#define AV_CODEC_FLAG_GLOBAL_HEADER
Place global headers in extradata instead of every keyframe.
int mpeg_quant
Quantization type.
int gop_size
the number of pictures in a group of pictures, or 0 for intra_only
int ssim
SSIM information display mode.
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
#define FF_DISABLE_DEPRECATION_WARNINGS
common internal api header.
static int ref[MAX_W *MAX_W]
int vol_flags
VOL flags for Xvid encoder.
attribute_deprecated AVFrame * coded_frame
the picture in the bitstream
void av_init_packet(AVPacket *pkt)
Initialize optional fields of a packet with default values.
static int xvid_ff_2pass_create(xvid_plg_create_t *param, void **handle)
Initialize the two-pass plugin and context.
int trellis
trellis RD quantization
static int xvid_ff_2pass_before(struct xvid_context *ref, xvid_plg_data_t *param)
Enable fast encode mode during the first pass.
#define AV_CODEC_FLAG_PASS2
Use internal 2pass ratecontrol in second pass mode.
void * encoder_handle
Handle for Xvid encoder.
static int xvid_ff_2pass_after(struct xvid_context *ref, xvid_plg_data_t *param)
Capture statistic data and write it during first pass.
#define FF_ENABLE_DEPRECATION_WARNINGS
int key_frame
1 -> keyframe, 0-> not
#define FF_QP2LAMBDA
factor to convert from H.263 QP to lambda
static int xvid_ff_2pass_destroy(struct xvid_context *ref, xvid_plg_destroy_t *param)
Destroy the two-pass plugin context.
static void xvid_correct_framerate(AVCodecContext *avctx)
Routine to correct a possibly erroneous framerate being fed to us.
#define AV_CODEC_FLAG_CLOSED_GOP
int qscale
Do we use constant scale?
#define AVERROR_EXTERNAL
Generic error in an external library.
AVPixelFormat
Pixel format.
This structure stores compressed data.
int lumi_aq
Lumi masking as an aq method.