FFmpeg  4.3.7
vf_maskedclamp.c
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1 /*
2  * Copyright (c) 2016 Paul B Mahol
3  *
4  * This file is part of FFmpeg.
5  *
6  * FFmpeg is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * FFmpeg is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with FFmpeg; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19  */
20 
21 #include "libavutil/imgutils.h"
22 #include "libavutil/pixdesc.h"
23 #include "libavutil/opt.h"
24 #include "avfilter.h"
25 #include "formats.h"
26 #include "internal.h"
27 #include "video.h"
28 #include "framesync.h"
29 #include "maskedclamp.h"
30 
31 #define OFFSET(x) offsetof(MaskedClampContext, x)
32 #define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM
33 
34 typedef struct ThreadData {
35  AVFrame *b, *o, *m, *d;
36 } ThreadData;
37 
38 typedef struct MaskedClampContext {
39  const AVClass *class;
40 
41  int planes;
43  int overshoot;
44 
45  int linesize[4];
46  int width[4], height[4];
47  int nb_planes;
48  int depth;
50 
53 
54 static const AVOption maskedclamp_options[] = {
55  { "undershoot", "set undershoot", OFFSET(undershoot), AV_OPT_TYPE_INT, {.i64=0}, 0, UINT16_MAX, FLAGS },
56  { "overshoot", "set overshoot", OFFSET(overshoot), AV_OPT_TYPE_INT, {.i64=0}, 0, UINT16_MAX, FLAGS },
57  { "planes", "set planes", OFFSET(planes), AV_OPT_TYPE_INT, {.i64=0xF}, 0, 0xF, FLAGS },
58  { NULL }
59 };
60 
61 AVFILTER_DEFINE_CLASS(maskedclamp);
62 
64 {
65  static const enum AVPixelFormat pix_fmts[] = {
85  };
86 
87  return ff_set_common_formats(ctx, ff_make_format_list(pix_fmts));
88 }
89 
90 static int maskedclamp_slice(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
91 {
92  MaskedClampContext *s = ctx->priv;
93  ThreadData *td = arg;
94  int p;
95 
96  for (p = 0; p < s->nb_planes; p++) {
97  const ptrdiff_t blinesize = td->b->linesize[p];
98  const ptrdiff_t brightlinesize = td->m->linesize[p];
99  const ptrdiff_t darklinesize = td->o->linesize[p];
100  const ptrdiff_t dlinesize = td->d->linesize[p];
101  const int w = s->width[p];
102  const int h = s->height[p];
103  const int slice_start = (h * jobnr) / nb_jobs;
104  const int slice_end = (h * (jobnr+1)) / nb_jobs;
105  const uint8_t *bsrc = td->b->data[p] + slice_start * blinesize;
106  const uint8_t *darksrc = td->o->data[p] + slice_start * darklinesize;
107  const uint8_t *brightsrc = td->m->data[p] + slice_start * brightlinesize;
108  uint8_t *dst = td->d->data[p] + slice_start * dlinesize;
109  const int undershoot = s->undershoot;
110  const int overshoot = s->overshoot;
111  int y;
112 
113  if (!((1 << p) & s->planes)) {
114  av_image_copy_plane(dst, dlinesize, bsrc, blinesize,
115  s->linesize[p], slice_end - slice_start);
116  continue;
117  }
118 
119  for (y = slice_start; y < slice_end; y++) {
120  s->dsp.maskedclamp(bsrc, dst, darksrc, brightsrc, w, undershoot, overshoot);
121 
122  dst += dlinesize;
123  bsrc += blinesize;
124  darksrc += darklinesize;
125  brightsrc += brightlinesize;
126  }
127  }
128 
129  return 0;
130 }
131 
133 {
134  AVFilterContext *ctx = fs->parent;
135  MaskedClampContext *s = fs->opaque;
136  AVFilterLink *outlink = ctx->outputs[0];
137  AVFrame *out, *base, *dark, *bright;
138  int ret;
139 
140  if ((ret = ff_framesync_get_frame(&s->fs, 0, &base, 0)) < 0 ||
141  (ret = ff_framesync_get_frame(&s->fs, 1, &dark, 0)) < 0 ||
142  (ret = ff_framesync_get_frame(&s->fs, 2, &bright, 0)) < 0)
143  return ret;
144 
145  if (ctx->is_disabled) {
146  out = av_frame_clone(base);
147  if (!out)
148  return AVERROR(ENOMEM);
149  } else {
150  ThreadData td;
151 
152  out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
153  if (!out)
154  return AVERROR(ENOMEM);
155  av_frame_copy_props(out, base);
156 
157  td.b = base;
158  td.o = dark;
159  td.m = bright;
160  td.d = out;
161 
162  ctx->internal->execute(ctx, maskedclamp_slice, &td, NULL, FFMIN(s->height[0],
164  }
165  out->pts = av_rescale_q(s->fs.pts, s->fs.time_base, outlink->time_base);
166 
167  return ff_filter_frame(outlink, out);
168 }
169 
170 #define MASKEDCLAMP(type, name) \
171 static void maskedclamp##name(const uint8_t *bbsrc, uint8_t *ddst, \
172  const uint8_t *ddarksrc, const uint8_t *bbrightsrc, \
173  int w, int undershoot, int overshoot) \
174 { \
175  const type *bsrc = (const type *)bbsrc; \
176  const type *darksrc = (const type *)ddarksrc; \
177  const type *brightsrc = (const type *)bbrightsrc; \
178  type *dst = (type *)ddst; \
179  \
180  for (int x = 0; x < w; x++) { \
181  dst[x] = FFMAX(bsrc[x], darksrc[x] - undershoot); \
182  dst[x] = FFMIN(dst[x], brightsrc[x] + overshoot); \
183  } \
184 }
185 
187 MASKEDCLAMP(uint16_t, 16)
188 
190 {
191  AVFilterContext *ctx = inlink->dst;
192  MaskedClampContext *s = ctx->priv;
193  const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
194  int vsub, hsub, ret;
195 
196  s->nb_planes = av_pix_fmt_count_planes(inlink->format);
197 
198  if ((ret = av_image_fill_linesizes(s->linesize, inlink->format, inlink->w)) < 0)
199  return ret;
200 
201  hsub = desc->log2_chroma_w;
202  vsub = desc->log2_chroma_h;
203  s->height[1] = s->height[2] = AV_CEIL_RSHIFT(inlink->h, vsub);
204  s->height[0] = s->height[3] = inlink->h;
205  s->width[1] = s->width[2] = AV_CEIL_RSHIFT(inlink->w, hsub);
206  s->width[0] = s->width[3] = inlink->w;
207 
208  s->depth = desc->comp[0].depth;
209  s->undershoot = FFMIN(s->undershoot, (1 << s->depth) - 1);
210  s->overshoot = FFMIN(s->overshoot, (1 << s->depth) - 1);
211 
212  if (s->depth <= 8)
213  s->dsp.maskedclamp = maskedclamp8;
214  else
215  s->dsp.maskedclamp = maskedclamp16;
216 
217  if (ARCH_X86)
219 
220  return 0;
221 }
222 
223 static int config_output(AVFilterLink *outlink)
224 {
225  AVFilterContext *ctx = outlink->src;
226  MaskedClampContext *s = ctx->priv;
227  AVFilterLink *base = ctx->inputs[0];
228  AVFilterLink *dark = ctx->inputs[1];
229  AVFilterLink *bright = ctx->inputs[2];
230  FFFrameSyncIn *in;
231  int ret;
232 
233  if (base->format != dark->format ||
234  base->format != bright->format) {
235  av_log(ctx, AV_LOG_ERROR, "inputs must be of same pixel format\n");
236  return AVERROR(EINVAL);
237  }
238  if (base->w != dark->w || base->h != dark->h ||
239  base->w != bright->w || base->h != bright->h) {
240  av_log(ctx, AV_LOG_ERROR, "First input link %s parameters "
241  "(size %dx%d) do not match the corresponding "
242  "second input link %s parameters (%dx%d) "
243  "and/or third input link %s parameters (size %dx%d)\n",
244  ctx->input_pads[0].name, base->w, base->h,
245  ctx->input_pads[1].name, dark->w, dark->h,
246  ctx->input_pads[2].name, bright->w, bright->h);
247  return AVERROR(EINVAL);
248  }
249 
250  outlink->w = base->w;
251  outlink->h = base->h;
252  outlink->sample_aspect_ratio = base->sample_aspect_ratio;
253  outlink->frame_rate = base->frame_rate;
254 
255  if ((ret = ff_framesync_init(&s->fs, ctx, 3)) < 0)
256  return ret;
257 
258  in = s->fs.in;
259  in[0].time_base = base->time_base;
260  in[1].time_base = dark->time_base;
261  in[2].time_base = bright->time_base;
262  in[0].sync = 1;
263  in[0].before = EXT_STOP;
264  in[0].after = EXT_INFINITY;
265  in[1].sync = 1;
266  in[1].before = EXT_STOP;
267  in[1].after = EXT_INFINITY;
268  in[2].sync = 1;
269  in[2].before = EXT_STOP;
270  in[2].after = EXT_INFINITY;
271  s->fs.opaque = s;
273 
274  ret = ff_framesync_configure(&s->fs);
275  outlink->time_base = s->fs.time_base;
276 
277  return ret;
278 }
279 
281 {
282  MaskedClampContext *s = ctx->priv;
283  return ff_framesync_activate(&s->fs);
284 }
285 
287 {
288  MaskedClampContext *s = ctx->priv;
289 
290  ff_framesync_uninit(&s->fs);
291 }
292 
293 static const AVFilterPad maskedclamp_inputs[] = {
294  {
295  .name = "base",
296  .type = AVMEDIA_TYPE_VIDEO,
297  .config_props = config_input,
298  },
299  {
300  .name = "dark",
301  .type = AVMEDIA_TYPE_VIDEO,
302  },
303  {
304  .name = "bright",
305  .type = AVMEDIA_TYPE_VIDEO,
306  },
307  { NULL }
308 };
309 
311  {
312  .name = "default",
313  .type = AVMEDIA_TYPE_VIDEO,
314  .config_props = config_output,
315  },
316  { NULL }
317 };
318 
320  .name = "maskedclamp",
321  .description = NULL_IF_CONFIG_SMALL("Clamp first stream with second stream and third stream."),
322  .priv_size = sizeof(MaskedClampContext),
323  .uninit = uninit,
324  .activate = activate,
326  .inputs = maskedclamp_inputs,
327  .outputs = maskedclamp_outputs,
328  .priv_class = &maskedclamp_class,
330 };
#define NULL
Definition: coverity.c:32
#define AV_PIX_FMT_YUVA422P16
Definition: pixfmt.h:440
AVFrame * out
Definition: af_adeclick.c:494
#define AV_PIX_FMT_YUVA422P9
Definition: pixfmt.h:432
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
Definition: pixdesc.c:2549
This structure describes decoded (raw) audio or video data.
Definition: frame.h:300
AVOption.
Definition: opt.h:246
#define AV_PIX_FMT_YUVA420P10
Definition: pixfmt.h:434
#define AV_PIX_FMT_YUV444P14
Definition: pixfmt.h:407
#define AV_PIX_FMT_GBRAP10
Definition: pixfmt.h:417
static const AVFilterPad maskedclamp_outputs[]
#define AV_PIX_FMT_YUVA422P10
Definition: pixfmt.h:435
planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples)
Definition: pixfmt.h:71
misc image utilities
int av_pix_fmt_count_planes(enum AVPixelFormat pix_fmt)
Definition: pixdesc.c:2589
Main libavfilter public API header.
void ff_maskedclamp_init_x86(MaskedClampDSPContext *dsp, int depth)
static int config_output(AVFilterLink *outlink)
planar GBR 4:4:4 24bpp
Definition: pixfmt.h:168
#define AV_PIX_FMT_GBRP10
Definition: pixfmt.h:413
#define AV_PIX_FMT_GRAY9
Definition: pixfmt.h:377
#define AV_PIX_FMT_YUV420P12
Definition: pixfmt.h:401
int ff_framesync_configure(FFFrameSync *fs)
Configure a frame sync structure.
Definition: framesync.c:117
#define MASKEDCLAMP(type, name)
AVFrame * ff_get_video_buffer(AVFilterLink *link, int w, int h)
Request a picture buffer with a specific set of permissions.
Definition: video.c:104
#define FLAGS
int is_disabled
the enabled state from the last expression evaluation
Definition: avfilter.h:385
int64_t pts
Timestamp of the current event.
Definition: framesync.h:167
uint8_t log2_chroma_w
Amount to shift the luma width right to find the chroma width.
Definition: pixdesc.h:92
enum FFFrameSyncExtMode before
Extrapolation mode for timestamps before the first frame.
Definition: framesync.h:86
AVFilterFormats * ff_make_format_list(const int *fmts)
Create a list of supported formats.
Definition: formats.c:300
#define AV_PIX_FMT_GRAY10
Definition: pixfmt.h:378
const char * name
Pad name.
Definition: internal.h:60
AVFilterContext * parent
Parent filter context.
Definition: framesync.h:152
#define AV_PIX_FMT_GRAY12
Definition: pixfmt.h:379
AVFilterLink ** inputs
array of pointers to input links
Definition: avfilter.h:346
int ff_filter_frame(AVFilterLink *link, AVFrame *frame)
Send a frame of data to the next filter.
Definition: avfilter.c:1075
void(* maskedclamp)(const uint8_t *bsrc, uint8_t *dst, const uint8_t *darksrc, const uint8_t *brightsrc, int w, int undershoot, int overshoot)
Definition: maskedclamp.h:28
planar YUV 4:2:0, 20bpp, (1 Cr & Cb sample per 2x2 Y & A samples)
Definition: pixfmt.h:101
AVComponentDescriptor comp[4]
Parameters that describe how pixels are packed.
Definition: pixdesc.h:117
uint8_t
#define av_cold
Definition: attributes.h:88
#define fs(width, name, subs,...)
Definition: cbs_vp9.c:259
AVOptions.
int64_t pts
Presentation timestamp in time_base units (time when frame should be shown to user).
Definition: frame.h:393
FFFrameSyncIn * in
Pointer to array of inputs.
Definition: framesync.h:203
#define AV_PIX_FMT_YUVA420P9
Definition: pixfmt.h:431
#define AV_PIX_FMT_GBRP9
Definition: pixfmt.h:412
int height
Definition: vf_avgblur.c:61
AVFrame * dst
Definition: vf_blend.c:56
planar YUV 4:4:0 full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV440P and setting color_range...
Definition: pixfmt.h:100
planar YUV 4:2:2, 16bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV422P and setting col...
Definition: pixfmt.h:79
int linesize
Definition: vf_avgblur.c:64
#define AV_PIX_FMT_YUV444P16
Definition: pixfmt.h:410
static const AVFilterPad maskedclamp_inputs[]
enum FFFrameSyncExtMode after
Extrapolation mode for timestamps after the last frame.
Definition: framesync.h:91
Input stream structure.
Definition: framesync.h:81
#define AV_PIX_FMT_YUV422P12
Definition: pixfmt.h:402
#define AV_PIX_FMT_YUVA420P16
Definition: pixfmt.h:439
#define av_log(a,...)
#define OFFSET(x)
A filter pad used for either input or output.
Definition: internal.h:54
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
AVFilterPad * input_pads
array of input pads
Definition: avfilter.h:345
planar YUV 4:2:2 24bpp, (1 Cr & Cb sample per 2x1 Y & A samples)
Definition: pixfmt.h:176
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
Definition: log.h:176
int ff_set_common_formats(AVFilterContext *ctx, AVFilterFormats *formats)
A helper for query_formats() which sets all links to the same list of formats.
Definition: formats.c:605
#define td
Definition: regdef.h:70
uint8_t log2_chroma_h
Amount to shift the luma height right to find the chroma height.
Definition: pixdesc.h:101
void ff_framesync_uninit(FFFrameSync *fs)
Free all memory currently allocated.
Definition: framesync.c:283
Frame sync structure.
Definition: framesync.h:146
#define ARCH_X86
Definition: config.h:38
static const AVOption maskedclamp_options[]
#define AVERROR(e)
Definition: error.h:43
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:188
void * priv
private data for use by the filter
Definition: avfilter.h:353
#define AVFILTER_FLAG_SLICE_THREADS
The filter supports multithreading by splitting frames into multiple parts and processing them concur...
Definition: avfilter.h:116
#define AV_PIX_FMT_YUVA444P16
Definition: pixfmt.h:441
const char * arg
Definition: jacosubdec.c:66
#define AV_PIX_FMT_GBRAP12
Definition: pixfmt.h:418
AVRational time_base
Time base for the incoming frames.
Definition: framesync.h:96
int ff_framesync_activate(FFFrameSync *fs)
Examine the frames in the filter&#39;s input and try to produce output.
Definition: framesync.c:334
#define AV_PIX_FMT_YUV444P10
Definition: pixfmt.h:400
int(* on_event)(struct FFFrameSync *fs)
Callback called when a frame event is ready.
Definition: framesync.h:172
#define AV_PIX_FMT_GBRAP16
Definition: pixfmt.h:419
planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
Definition: pixfmt.h:70
static int config_input(AVFilterLink *inlink)
#define AV_PIX_FMT_YUV422P9
Definition: pixfmt.h:395
static const struct @315 planes[]
#define AV_PIX_FMT_GBRP16
Definition: pixfmt.h:416
int ff_filter_get_nb_threads(AVFilterContext *ctx)
Get number of threads for current filter instance.
Definition: avfilter.c:784
#define AV_PIX_FMT_GRAY16
Definition: pixfmt.h:381
#define FFMIN(a, b)
Definition: common.h:96
planar YUV 4:2:0, 12bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV420P and setting col...
Definition: pixfmt.h:78
static int maskedclamp_slice(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
#define AV_PIX_FMT_YUVA444P12
Definition: pixfmt.h:438
AVFrame * m
static av_cold void uninit(AVFilterContext *ctx)
AVFormatContext * ctx
Definition: movenc.c:48
AVRational time_base
Time base for the output events.
Definition: framesync.h:162
#define AV_PIX_FMT_YUVA444P10
Definition: pixfmt.h:436
AVFilter ff_vf_maskedclamp
static const AVFilterPad inputs[]
Definition: af_acontrast.c:193
void * opaque
Opaque pointer, not used by the API.
Definition: framesync.h:177
#define AV_PIX_FMT_YUV444P9
Definition: pixfmt.h:396
#define AV_PIX_FMT_GBRP14
Definition: pixfmt.h:415
AVFrame * av_frame_clone(const AVFrame *src)
Create a new frame that references the same data as src.
Definition: frame.c:541
static const AVFilterPad outputs[]
Definition: af_acontrast.c:203
#define AV_PIX_FMT_YUV420P16
Definition: pixfmt.h:408
#define AV_PIX_FMT_YUV420P14
Definition: pixfmt.h:405
Extend the frame to infinity.
Definition: framesync.h:75
Used for passing data between threads.
Definition: dsddec.c:67
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
Definition: frame.h:331
int ff_framesync_init(FFFrameSync *fs, AVFilterContext *parent, unsigned nb_in)
Initialize a frame sync structure.
Definition: framesync.c:77
planar YUV 4:4:4 32bpp, (1 Cr & Cb sample per 1x1 Y & A samples)
Definition: pixfmt.h:177
Descriptor that unambiguously describes how the bits of a pixel are stored in the up to 4 data planes...
Definition: pixdesc.h:81
#define AV_PIX_FMT_GRAY14
Definition: pixfmt.h:380
MaskedClampDSPContext dsp
static int query_formats(AVFilterContext *ctx)
#define AV_PIX_FMT_YUV420P10
Definition: pixfmt.h:397
planar YUV 4:1:0, 9bpp, (1 Cr & Cb sample per 4x4 Y samples)
Definition: pixfmt.h:72
AVFILTER_DEFINE_CLASS(maskedclamp)
unsigned sync
Synchronization level: frames on input at the highest sync level will generate output frame events...
Definition: framesync.h:139
Describe the class of an AVClass context structure.
Definition: log.h:67
Filter definition.
Definition: avfilter.h:144
int av_image_fill_linesizes(int linesizes[4], enum AVPixelFormat pix_fmt, int width)
Fill plane linesizes for an image with pixel format pix_fmt and width width.
Definition: imgutils.c:89
AVFrame * b
const char * name
Filter name.
Definition: avfilter.h:148
#define AV_PIX_FMT_YUV440P12
Definition: pixfmt.h:403
#define AV_PIX_FMT_YUV420P9
Definition: pixfmt.h:394
#define AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL
Same as AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC, except that the filter will have its filter_frame() c...
Definition: avfilter.h:133
AVFilterLink ** outputs
array of pointers to output links
Definition: avfilter.h:350
static enum AVPixelFormat pix_fmts[]
Definition: libkvazaar.c:275
#define AV_PIX_FMT_YUV422P14
Definition: pixfmt.h:406
#define AV_PIX_FMT_GBRP12
Definition: pixfmt.h:414
#define flags(name, subs,...)
Definition: cbs_av1.c:565
AVFilterInternal * internal
An opaque struct for libavfilter internal use.
Definition: avfilter.h:378
#define AV_PIX_FMT_YUV422P10
Definition: pixfmt.h:398
#define AV_PIX_FMT_YUV444P12
Definition: pixfmt.h:404
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition: frame.h:314
AVFrame * base
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
Definition: pixfmt.h:66
Y , 8bpp.
Definition: pixfmt.h:74
planar GBRA 4:4:4:4 32bpp
Definition: pixfmt.h:215
#define AV_PIX_FMT_YUVA444P9
Definition: pixfmt.h:433
planar YUV 4:4:4, 24bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV444P and setting col...
Definition: pixfmt.h:80
planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples)
Definition: pixfmt.h:73
avfilter_execute_func * execute
Definition: internal.h:144
static int slice_end(AVCodecContext *avctx, AVFrame *pict)
Handle slice ends.
Definition: mpeg12dec.c:2040
Completely stop all streams with this one.
Definition: framesync.h:65
static int process_frame(FFFrameSync *fs)
const AVPixFmtDescriptor * desc
Definition: vf_tonemap.c:196
planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples) full scale (JPEG), deprecated in favor ...
Definition: pixfmt.h:258
static int activate(AVFilterContext *ctx)
An instance of a filter.
Definition: avfilter.h:338
const void ** s
planar YUV 4:4:0 (1 Cr & Cb sample per 1x2 Y samples)
Definition: pixfmt.h:99
AVFrame * in
Definition: af_afftdn.c:1083
void av_image_copy_plane(uint8_t *dst, int dst_linesize, const uint8_t *src, int src_linesize, int bytewidth, int height)
Copy image plane from src to dst.
Definition: imgutils.c:338
AVFilterLink * inlink
Definition: vf_blend.c:57
internal API functions
int ff_framesync_get_frame(FFFrameSync *fs, unsigned in, AVFrame **rframe, unsigned get)
Get the current frame in an input.
Definition: framesync.c:246
int depth
Number of bits in the component.
Definition: pixdesc.h:58
AVPixelFormat
Pixel format.
Definition: pixfmt.h:64
#define AV_PIX_FMT_YUV422P16
Definition: pixfmt.h:409
int av_frame_copy_props(AVFrame *dst, const AVFrame *src)
Copy only "metadata" fields from src to dst.
Definition: frame.c:659
AVFrame * o
#define AV_PIX_FMT_YUVA422P12
Definition: pixfmt.h:437
#define AV_CEIL_RSHIFT(a, b)
Definition: common.h:58