FFmpeg  4.2.2
vf_framerate.c
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1 /*
2  * Copyright (C) 2012 Mark Himsley
3  *
4  * get_scene_score() Copyright (c) 2011 Stefano Sabatini
5  * taken from libavfilter/vf_select.c
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 /**
25  * @file
26  * filter for upsampling or downsampling a progressive source
27  */
28 
29 #define DEBUG
30 
31 #include "libavutil/avassert.h"
32 #include "libavutil/imgutils.h"
33 #include "libavutil/internal.h"
34 #include "libavutil/opt.h"
35 #include "libavutil/pixdesc.h"
36 
37 #include "avfilter.h"
38 #include "internal.h"
39 #include "video.h"
40 #include "filters.h"
41 #include "framerate.h"
42 #include "scene_sad.h"
43 
44 #define OFFSET(x) offsetof(FrameRateContext, x)
45 #define V AV_OPT_FLAG_VIDEO_PARAM
46 #define F AV_OPT_FLAG_FILTERING_PARAM
47 #define FRAMERATE_FLAG_SCD 01
48 
49 static const AVOption framerate_options[] = {
50  {"fps", "required output frames per second rate", OFFSET(dest_frame_rate), AV_OPT_TYPE_VIDEO_RATE, {.str="50"}, 0, INT_MAX, V|F },
51 
52  {"interp_start", "point to start linear interpolation", OFFSET(interp_start), AV_OPT_TYPE_INT, {.i64=15}, 0, 255, V|F },
53  {"interp_end", "point to end linear interpolation", OFFSET(interp_end), AV_OPT_TYPE_INT, {.i64=240}, 0, 255, V|F },
54  {"scene", "scene change level", OFFSET(scene_score), AV_OPT_TYPE_DOUBLE, {.dbl=8.2}, 0, INT_MAX, V|F },
55 
56  {"flags", "set flags", OFFSET(flags), AV_OPT_TYPE_FLAGS, {.i64=1}, 0, INT_MAX, V|F, "flags" },
57  {"scene_change_detect", "enable scene change detection", 0, AV_OPT_TYPE_CONST, {.i64=FRAMERATE_FLAG_SCD}, INT_MIN, INT_MAX, V|F, "flags" },
58  {"scd", "enable scene change detection", 0, AV_OPT_TYPE_CONST, {.i64=FRAMERATE_FLAG_SCD}, INT_MIN, INT_MAX, V|F, "flags" },
59 
60  {NULL}
61 };
62 
64 
65 static double get_scene_score(AVFilterContext *ctx, AVFrame *crnt, AVFrame *next)
66 {
67  FrameRateContext *s = ctx->priv;
68  double ret = 0;
69 
70  ff_dlog(ctx, "get_scene_score()\n");
71 
72  if (crnt->height == next->height &&
73  crnt->width == next->width) {
74  uint64_t sad;
75  double mafd, diff;
76 
77  ff_dlog(ctx, "get_scene_score() process\n");
78  s->sad(crnt->data[0], crnt->linesize[0], next->data[0], next->linesize[0], crnt->width, crnt->height, &sad);
79  emms_c();
80  mafd = (double)sad * 100.0 / (crnt->width * crnt->height) / (1 << s->bitdepth);
81  diff = fabs(mafd - s->prev_mafd);
82  ret = av_clipf(FFMIN(mafd, diff), 0, 100.0);
83  s->prev_mafd = mafd;
84  }
85  ff_dlog(ctx, "get_scene_score() result is:%f\n", ret);
86  return ret;
87 }
88 
89 typedef struct ThreadData {
92 } ThreadData;
93 
94 static int filter_slice(AVFilterContext *ctx, void *arg, int job, int nb_jobs)
95 {
96  FrameRateContext *s = ctx->priv;
97  ThreadData *td = arg;
98  uint16_t src1_factor = td->src1_factor;
99  uint16_t src2_factor = td->src2_factor;
100  int plane;
101 
102  for (plane = 0; plane < 4 && td->copy_src1->data[plane] && td->copy_src2->data[plane]; plane++) {
103  int cpy_line_width = s->line_size[plane];
104  uint8_t *cpy_src1_data = td->copy_src1->data[plane];
105  int cpy_src1_line_size = td->copy_src1->linesize[plane];
106  uint8_t *cpy_src2_data = td->copy_src2->data[plane];
107  int cpy_src2_line_size = td->copy_src2->linesize[plane];
108  int cpy_src_h = (plane > 0 && plane < 3) ? (td->copy_src1->height >> s->vsub) : (td->copy_src1->height);
109  uint8_t *cpy_dst_data = s->work->data[plane];
110  int cpy_dst_line_size = s->work->linesize[plane];
111  const int start = (cpy_src_h * job ) / nb_jobs;
112  const int end = (cpy_src_h * (job+1)) / nb_jobs;
113  cpy_src1_data += start * cpy_src1_line_size;
114  cpy_src2_data += start * cpy_src2_line_size;
115  cpy_dst_data += start * cpy_dst_line_size;
116 
117  s->blend(cpy_src1_data, cpy_src1_line_size,
118  cpy_src2_data, cpy_src2_line_size,
119  cpy_dst_data, cpy_dst_line_size,
120  cpy_line_width, end - start,
121  src1_factor, src2_factor, s->blend_factor_max >> 1);
122  }
123 
124  return 0;
125 }
126 
128 {
129  FrameRateContext *s = ctx->priv;
130  AVFilterLink *outlink = ctx->outputs[0];
131  double interpolate_scene_score = 0;
132 
133  if ((s->flags & FRAMERATE_FLAG_SCD)) {
134  if (s->score >= 0.0)
135  interpolate_scene_score = s->score;
136  else
137  interpolate_scene_score = s->score = get_scene_score(ctx, s->f0, s->f1);
138  ff_dlog(ctx, "blend_frames() interpolate scene score:%f\n", interpolate_scene_score);
139  }
140  // decide if the shot-change detection allows us to blend two frames
141  if (interpolate_scene_score < s->scene_score) {
142  ThreadData td;
143  td.copy_src1 = s->f0;
144  td.copy_src2 = s->f1;
147 
148  // get work-space for output frame
149  s->work = ff_get_video_buffer(outlink, outlink->w, outlink->h);
150  if (!s->work)
151  return AVERROR(ENOMEM);
152 
153  av_frame_copy_props(s->work, s->f0);
154 
155  ff_dlog(ctx, "blend_frames() INTERPOLATE to create work frame\n");
156  ctx->internal->execute(ctx, filter_slice, &td, NULL, FFMIN(FFMAX(1, outlink->h >> 2), ff_filter_get_nb_threads(ctx)));
157  return 1;
158  }
159  return 0;
160 }
161 
163 {
164  FrameRateContext *s = ctx->priv;
165  int64_t work_pts;
166  int64_t interpolate, interpolate8;
167  int ret;
168 
169  if (!s->f1)
170  return 0;
171  if (!s->f0 && !s->flush)
172  return 0;
173 
174  work_pts = s->start_pts + av_rescale_q(s->n, av_inv_q(s->dest_frame_rate), s->dest_time_base);
175 
176  if (work_pts >= s->pts1 && !s->flush)
177  return 0;
178 
179  if (!s->f0) {
180  s->work = av_frame_clone(s->f1);
181  } else {
182  if (work_pts >= s->pts1 + s->delta && s->flush)
183  return 0;
184 
185  interpolate = av_rescale(work_pts - s->pts0, s->blend_factor_max, s->delta);
186  interpolate8 = av_rescale(work_pts - s->pts0, 256, s->delta);
187  ff_dlog(ctx, "process_work_frame() interpolate: %"PRId64"/256\n", interpolate8);
188  if (interpolate >= s->blend_factor_max || interpolate8 > s->interp_end) {
189  s->work = av_frame_clone(s->f1);
190  } else if (interpolate <= 0 || interpolate8 < s->interp_start) {
191  s->work = av_frame_clone(s->f0);
192  } else {
193  ret = blend_frames(ctx, interpolate);
194  if (ret < 0)
195  return ret;
196  if (ret == 0)
197  s->work = av_frame_clone(interpolate > (s->blend_factor_max >> 1) ? s->f1 : s->f0);
198  }
199  }
200 
201  if (!s->work)
202  return AVERROR(ENOMEM);
203 
204  s->work->pts = work_pts;
205  s->n++;
206 
207  return 1;
208 }
209 
211 {
212  FrameRateContext *s = ctx->priv;
214  return 0;
215 }
216 
218 {
219  FrameRateContext *s = ctx->priv;
220  av_frame_free(&s->f0);
221  av_frame_free(&s->f1);
222 }
223 
225 {
226  static const enum AVPixelFormat pix_fmts[] = {
237  };
238 
239  AVFilterFormats *fmts_list = ff_make_format_list(pix_fmts);
240  if (!fmts_list)
241  return AVERROR(ENOMEM);
242  return ff_set_common_formats(ctx, fmts_list);
243 }
244 
246 {
247  int line, pixel;
248  for (line = 0; line < height; line++) {
249  for (pixel = 0; pixel < width; pixel++)
250  dst[pixel] = ((src1[pixel] * factor1) + (src2[pixel] * factor2) + half) >> BLEND_FACTOR_DEPTH8;
251  src1 += src1_linesize;
252  src2 += src2_linesize;
253  dst += dst_linesize;
254  }
255 }
256 
258 {
259  int line, pixel;
260  uint16_t *dstw = (uint16_t *)dst;
261  uint16_t *src1w = (uint16_t *)src1;
262  uint16_t *src2w = (uint16_t *)src2;
263  width /= 2;
264  src1_linesize /= 2;
265  src2_linesize /= 2;
266  dst_linesize /= 2;
267  for (line = 0; line < height; line++) {
268  for (pixel = 0; pixel < width; pixel++)
269  dstw[pixel] = ((src1w[pixel] * factor1) + (src2w[pixel] * factor2) + half) >> BLEND_FACTOR_DEPTH16;
270  src1w += src1_linesize;
271  src2w += src2_linesize;
272  dstw += dst_linesize;
273  }
274 }
275 
277 {
278  if (s->bitdepth == 8) {
280  s->blend = blend_frames_c;
281  } else {
283  s->blend = blend_frames16_c;
284  }
285  if (ARCH_X86)
287 }
288 
290 {
291  AVFilterContext *ctx = inlink->dst;
292  FrameRateContext *s = ctx->priv;
293  const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(inlink->format);
294  int plane;
295 
296  for (plane = 0; plane < 4; plane++) {
297  s->line_size[plane] = av_image_get_linesize(inlink->format, inlink->w,
298  plane);
299  }
300 
301  s->bitdepth = pix_desc->comp[0].depth;
302  s->vsub = pix_desc->log2_chroma_h;
303 
304  s->sad = ff_scene_sad_get_fn(s->bitdepth == 8 ? 8 : 16);
305  if (!s->sad)
306  return AVERROR(EINVAL);
307 
308  s->srce_time_base = inlink->time_base;
309 
311 
312  return 0;
313 }
314 
316 {
317  int ret, status;
318  AVFilterLink *inlink = ctx->inputs[0];
319  AVFilterLink *outlink = ctx->outputs[0];
320  FrameRateContext *s = ctx->priv;
321  AVFrame *inpicref;
322  int64_t pts;
323 
324  FF_FILTER_FORWARD_STATUS_BACK(outlink, inlink);
325 
326 retry:
327  ret = process_work_frame(ctx);
328  if (ret < 0)
329  return ret;
330  else if (ret == 1)
331  return ff_filter_frame(outlink, s->work);
332 
333  ret = ff_inlink_consume_frame(inlink, &inpicref);
334  if (ret < 0)
335  return ret;
336 
337  if (inpicref) {
338  if (inpicref->interlaced_frame)
339  av_log(ctx, AV_LOG_WARNING, "Interlaced frame found - the output will not be correct.\n");
340 
341  if (inpicref->pts == AV_NOPTS_VALUE) {
342  av_log(ctx, AV_LOG_WARNING, "Ignoring frame without PTS.\n");
343  av_frame_free(&inpicref);
344  }
345  }
346 
347  if (inpicref) {
348  pts = av_rescale_q(inpicref->pts, s->srce_time_base, s->dest_time_base);
349 
350  if (s->f1 && pts == s->pts1) {
351  av_log(ctx, AV_LOG_WARNING, "Ignoring frame with same PTS.\n");
352  av_frame_free(&inpicref);
353  }
354  }
355 
356  if (inpicref) {
357  av_frame_free(&s->f0);
358  s->f0 = s->f1;
359  s->pts0 = s->pts1;
360  s->f1 = inpicref;
361  s->pts1 = pts;
362  s->delta = s->pts1 - s->pts0;
363  s->score = -1.0;
364 
365  if (s->delta < 0) {
366  av_log(ctx, AV_LOG_WARNING, "PTS discontinuity.\n");
367  s->start_pts = s->pts1;
368  s->n = 0;
369  av_frame_free(&s->f0);
370  }
371 
372  if (s->start_pts == AV_NOPTS_VALUE)
373  s->start_pts = s->pts1;
374 
375  goto retry;
376  }
377 
378  if (ff_inlink_acknowledge_status(inlink, &status, &pts)) {
379  if (!s->flush) {
380  s->flush = 1;
381  goto retry;
382  }
383  ff_outlink_set_status(outlink, status, pts);
384  return 0;
385  }
386 
387  FF_FILTER_FORWARD_WANTED(outlink, inlink);
388 
389  return FFERROR_NOT_READY;
390 }
391 
392 static int config_output(AVFilterLink *outlink)
393 {
394  AVFilterContext *ctx = outlink->src;
395  FrameRateContext *s = ctx->priv;
396  int exact;
397 
398  ff_dlog(ctx, "config_output()\n");
399 
400  ff_dlog(ctx,
401  "config_output() input time base:%u/%u (%f)\n",
402  ctx->inputs[0]->time_base.num,ctx->inputs[0]->time_base.den,
403  av_q2d(ctx->inputs[0]->time_base));
404 
405  // make sure timebase is small enough to hold the framerate
406 
407  exact = av_reduce(&s->dest_time_base.num, &s->dest_time_base.den,
408  av_gcd((int64_t)s->srce_time_base.num * s->dest_frame_rate.num,
409  (int64_t)s->srce_time_base.den * s->dest_frame_rate.den ),
410  (int64_t)s->srce_time_base.den * s->dest_frame_rate.num, INT_MAX);
411 
412  av_log(ctx, AV_LOG_INFO,
413  "time base:%u/%u -> %u/%u exact:%d\n",
415  s->dest_time_base.num, s->dest_time_base.den, exact);
416  if (!exact) {
417  av_log(ctx, AV_LOG_WARNING, "Timebase conversion is not exact\n");
418  }
419 
420  outlink->frame_rate = s->dest_frame_rate;
421  outlink->time_base = s->dest_time_base;
422 
423  ff_dlog(ctx,
424  "config_output() output time base:%u/%u (%f) w:%d h:%d\n",
425  outlink->time_base.num, outlink->time_base.den,
426  av_q2d(outlink->time_base),
427  outlink->w, outlink->h);
428 
429 
430  av_log(ctx, AV_LOG_INFO, "fps -> fps:%u/%u scene score:%f interpolate start:%d end:%d\n",
432  s->scene_score, s->interp_start, s->interp_end);
433 
434  return 0;
435 }
436 
437 static const AVFilterPad framerate_inputs[] = {
438  {
439  .name = "default",
440  .type = AVMEDIA_TYPE_VIDEO,
441  .config_props = config_input,
442  },
443  { NULL }
444 };
445 
446 static const AVFilterPad framerate_outputs[] = {
447  {
448  .name = "default",
449  .type = AVMEDIA_TYPE_VIDEO,
450  .config_props = config_output,
451  },
452  { NULL }
453 };
454 
456  .name = "framerate",
457  .description = NULL_IF_CONFIG_SMALL("Upsamples or downsamples progressive source between specified frame rates."),
458  .priv_size = sizeof(FrameRateContext),
459  .priv_class = &framerate_class,
460  .init = init,
461  .uninit = uninit,
463  .inputs = framerate_inputs,
464  .outputs = framerate_outputs,
466  .activate = activate,
467 };
int ff_inlink_consume_frame(AVFilterLink *link, AVFrame **rframe)
Take a frame from the link&#39;s FIFO and update the link&#39;s stats.
Definition: avfilter.c:1481
#define NULL
Definition: coverity.c:32
int av_image_get_linesize(enum AVPixelFormat pix_fmt, int width, int plane)
Compute the size of an image line with format pix_fmt and width width for the plane plane...
Definition: imgutils.c:76
static void blend_frames16_c(BLEND_FUNC_PARAMS)
Definition: vf_framerate.c:257
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
Definition: pixdesc.c:2522
This structure describes decoded (raw) audio or video data.
Definition: frame.h:295
static int process_work_frame(AVFilterContext *ctx)
Definition: vf_framerate.c:162
static av_cold void uninit(AVFilterContext *ctx)
Definition: vf_framerate.c:217
AVOption.
Definition: opt.h:246
double scene_score
score that denotes a scene change has happened
Definition: framerate.h:41
double score
scene change score (f0 to f1)
Definition: framerate.h:63
planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples)
Definition: pixfmt.h:71
misc image utilities
#define AV_LOG_WARNING
Something somehow does not look correct.
Definition: log.h:182
Main libavfilter public API header.
ff_scene_sad_fn ff_scene_sad_get_fn(int depth)
Definition: scene_sad.c:59
int64_t pts0
last frame pts in dest_time_base
Definition: framerate.h:60
static double get_scene_score(AVFilterContext *ctx, AVFrame *crnt, AVFrame *next)
Definition: vf_framerate.c:65
int num
Numerator.
Definition: rational.h:59
#define FFERROR_NOT_READY
Filters implementation helper functions.
Definition: filters.h:34
#define AV_PIX_FMT_YUV420P12
Definition: pixfmt.h:391
AVFrame * ff_get_video_buffer(AVFilterLink *link, int w, int h)
Request a picture buffer with a specific set of permissions.
Definition: video.c:99
AVFILTER_DEFINE_CLASS(framerate)
int64_t pts1
current frame pts in dest_time_base
Definition: framerate.h:61
int framerate
Definition: h264_levels.c:65
static void ff_outlink_set_status(AVFilterLink *link, int status, int64_t pts)
Set the status field of a link from the source filter.
Definition: filters.h:189
int interp_end
end of range to apply linear interpolation
Definition: framerate.h:43
AVFilterFormats * ff_make_format_list(const int *fmts)
Create a list of supported formats.
Definition: formats.c:283
blend_func blend
Definition: framerate.h:68
const char * name
Pad name.
Definition: internal.h:60
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:1080
AVComponentDescriptor comp[4]
Parameters that describe how pixels are packed.
Definition: pixdesc.h:117
uint8_t
#define av_cold
Definition: attributes.h:82
AVOptions.
#define BLEND_FACTOR_DEPTH16
Definition: framerate.h:32
static av_cold int end(AVCodecContext *avctx)
Definition: avrndec.c:90
AVRational dest_frame_rate
output frames per second
Definition: framerate.h:39
#define emms_c()
Definition: internal.h:55
int64_t pts
Presentation timestamp in time_base units (time when frame should be shown to user).
Definition: frame.h:388
int height
Definition: vf_avgblur.c:61
static void interpolate(float *out, float v1, float v2, int size)
Definition: twinvq.c:84
AVFrame * dst
Definition: vf_blend.c:55
int plane
Definition: vf_blend.c:57
static double av_q2d(AVRational a)
Convert an AVRational to a double.
Definition: rational.h:104
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
#define ff_dlog(a,...)
int interlaced_frame
The content of the picture is interlaced.
Definition: frame.h:442
int flags
flags affecting frame rate conversion algorithm
Definition: framerate.h:40
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
#define AV_PIX_FMT_YUV422P12
Definition: pixfmt.h:392
#define BLEND_FACTOR_DEPTH8
Definition: framerate.h:31
#define av_log(a,...)
#define FF_FILTER_FORWARD_STATUS_BACK(outlink, inlink)
Forward the status on an output link to an input link.
Definition: filters.h:199
int line_size[4]
bytes of pixel data per line for each plane
Definition: framerate.h:45
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
Scene SAD functions.
int ff_inlink_acknowledge_status(AVFilterLink *link, int *rstatus, int64_t *rpts)
Test and acknowledge the change of status on the link.
Definition: avfilter.c:1436
int width
Definition: frame.h:353
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:568
#define td
Definition: regdef.h:70
int64_t n
output frame counter
Definition: framerate.h:66
uint8_t log2_chroma_h
Amount to shift the luma height right to find the chroma height.
Definition: pixdesc.h:101
uint16_t src1_factor
Definition: vf_framerate.c:91
#define ARCH_X86
Definition: config.h:38
int interp_start
start of range to apply linear interpolation
Definition: framerate.h:42
#define AVERROR(e)
Definition: error.h:43
void av_frame_free(AVFrame **frame)
Free the frame and any dynamically allocated objects in it, e.g.
Definition: frame.c:202
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:186
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
const char * arg
Definition: jacosubdec.c:66
Definition: graph2dot.c:48
simple assert() macros that are a bit more flexible than ISO C assert().
#define FRAMERATE_FLAG_SCD
Definition: vf_framerate.c:47
int64_t av_gcd(int64_t a, int64_t b)
Compute the greatest common divisor of two integer operands.
Definition: mathematics.c:37
#define AV_PIX_FMT_YUV444P10
Definition: pixfmt.h:390
#define FFMAX(a, b)
Definition: common.h:94
planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
Definition: pixfmt.h:70
common internal API header
static int blend_frames(AVFilterContext *ctx, int interpolate)
Definition: vf_framerate.c:127
#define AV_PIX_FMT_YUV422P9
Definition: pixfmt.h:385
#define FF_FILTER_FORWARD_WANTED(outlink, inlink)
Forward the frame_wanted_out flag from an output link to an input link.
Definition: filters.h:254
int ff_filter_get_nb_threads(AVFilterContext *ctx)
Get number of threads for current filter instance.
Definition: avfilter.c:802
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
#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
AVFormatContext * ctx
Definition: movenc.c:48
double prev_mafd
previous MAFD (scene detect only)
Definition: framerate.h:52
AVFrame * copy_src1
Definition: vf_framerate.c:90
#define s(width, name)
Definition: cbs_vp9.c:257
AVFilter ff_vf_framerate
Definition: vf_framerate.c:455
AVRational srce_time_base
timebase of source
Definition: framerate.h:48
static const AVFilterPad inputs[]
Definition: af_acontrast.c:193
#define AV_PIX_FMT_YUV444P9
Definition: pixfmt.h:386
AVFrame * av_frame_clone(const AVFrame *src)
Create a new frame that references the same data as src.
Definition: frame.c:540
static const AVFilterPad outputs[]
Definition: af_acontrast.c:203
void ff_framerate_init_x86(FrameRateContext *s)
#define src1
Definition: h264pred.c:139
#define AV_LOG_INFO
Standard information.
Definition: log.h:187
static const AVFilterPad framerate_outputs[]
Definition: vf_framerate.c:446
static int query_formats(AVFilterContext *ctx)
Definition: vf_framerate.c:224
static int filter_slice(AVFilterContext *ctx, void *arg, int job, int nb_jobs)
Definition: vf_framerate.c:94
Used for passing data between threads.
Definition: af_adeclick.c:487
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
Definition: frame.h:326
Descriptor that unambiguously describes how the bits of a pixel are stored in the up to 4 data planes...
Definition: pixdesc.h:81
int blend_factor_max
Definition: framerate.h:54
AVFrame * work
Definition: framerate.h:56
#define AV_PIX_FMT_YUV420P10
Definition: pixfmt.h:387
planar YUV 4:1:0, 9bpp, (1 Cr & Cb sample per 4x4 Y samples)
Definition: pixfmt.h:72
Filter definition.
Definition: avfilter.h:144
AVRational dest_time_base
timebase of destination
Definition: framerate.h:49
offset must point to AVRational
Definition: opt.h:236
const char * name
Filter name.
Definition: avfilter.h:148
#define AV_PIX_FMT_YUV420P9
Definition: pixfmt.h:384
static av_cold int init(AVFilterContext *ctx)
Definition: vf_framerate.c:210
AVFilterLink ** outputs
array of pointers to output links
Definition: avfilter.h:350
static enum AVPixelFormat pix_fmts[]
Definition: libkvazaar.c:275
uint8_t pixel
Definition: tiny_ssim.c:42
void ff_framerate_init(FrameRateContext *s)
Definition: vf_framerate.c:276
static int64_t pts
#define flags(name, subs,...)
Definition: cbs_av1.c:561
AVFilterInternal * internal
An opaque struct for libavfilter internal use.
Definition: avfilter.h:378
#define AV_PIX_FMT_YUV422P10
Definition: pixfmt.h:388
#define AV_PIX_FMT_YUV444P12
Definition: pixfmt.h:394
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition: frame.h:309
#define BLEND_FUNC_PARAMS
Definition: framerate.h:25
static av_always_inline AVRational av_inv_q(AVRational q)
Invert a rational.
Definition: rational.h:159
#define F
Definition: vf_framerate.c:46
uint16_t src2_factor
Definition: vf_framerate.c:91
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
Definition: pixfmt.h:66
AVFrame * f0
last frame
Definition: framerate.h:58
static void blend_frames_c(BLEND_FUNC_PARAMS)
Definition: vf_framerate.c:245
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
int den
Denominator.
Definition: rational.h:60
avfilter_execute_func * execute
Definition: internal.h:155
AVFrame * copy_src2
Definition: vf_framerate.c:90
#define V
Definition: vf_framerate.c:45
static av_always_inline int diff(const uint32_t a, const uint32_t b)
ff_scene_sad_fn sad
Sum of the absolute difference function (scene detect only)
Definition: framerate.h:51
static const AVOption framerate_options[]
Definition: vf_framerate.c:49
static int config_input(AVFilterLink *inlink)
Definition: vf_framerate.c:289
A list of supported formats for one end of a filter link.
Definition: formats.h:64
#define OFFSET(x)
Definition: vf_framerate.c:44
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 const AVFilterPad framerate_inputs[]
Definition: vf_framerate.c:437
An instance of a filter.
Definition: avfilter.h:338
int height
Definition: frame.h:353
int64_t start_pts
pts of the first output frame
Definition: framerate.h:65
int flush
1 if the filter is being flushed
Definition: framerate.h:64
planar YUV 4:4:0 (1 Cr & Cb sample per 1x2 Y samples)
Definition: pixfmt.h:99
void INT64 start
Definition: avisynth_c.h:766
AVFrame * f1
current frame
Definition: framerate.h:59
static int config_output(AVFilterLink *outlink)
Definition: vf_framerate.c:392
AVFilterLink * inlink
Definition: vf_blend.c:56
internal API functions
int depth
Number of bits in the component.
Definition: pixdesc.h:58
AVPixelFormat
Pixel format.
Definition: pixfmt.h:64
int64_t delta
pts1 to pts0 delta
Definition: framerate.h:62
int av_frame_copy_props(AVFrame *dst, const AVFrame *src)
Copy only "metadata" fields from src to dst.
Definition: frame.c:654
#define AV_NOPTS_VALUE
Undefined timestamp value.
Definition: avutil.h:248
static int activate(AVFilterContext *ctx)
Definition: vf_framerate.c:315