FFmpeg  4.4.6
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, 100., 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  AVFrame *work = s->work;
99  AVFrame *src1 = td->copy_src1;
100  AVFrame *src2 = td->copy_src2;
101  uint16_t src1_factor = td->src1_factor;
102  uint16_t src2_factor = td->src2_factor;
103  int plane;
104 
105  for (plane = 0; plane < 4 && src1->data[plane] && src2->data[plane]; plane++) {
106  const int start = (s->height[plane] * job ) / nb_jobs;
107  const int end = (s->height[plane] * (job+1)) / nb_jobs;
108  uint8_t *src1_data = src1->data[plane] + start * src1->linesize[plane];
109  uint8_t *src2_data = src2->data[plane] + start * src2->linesize[plane];
110  uint8_t *dst_data = work->data[plane] + start * work->linesize[plane];
111 
112  s->blend(src1_data, src1->linesize[plane], src2_data, src2->linesize[plane],
113  dst_data, work->linesize[plane], s->line_size[plane], end - start,
114  src1_factor, src2_factor, s->blend_factor_max >> 1);
115  }
116 
117  return 0;
118 }
119 
121 {
122  FrameRateContext *s = ctx->priv;
123  AVFilterLink *outlink = ctx->outputs[0];
124  double interpolate_scene_score = 0;
125 
126  if ((s->flags & FRAMERATE_FLAG_SCD)) {
127  if (s->score >= 0.0)
128  interpolate_scene_score = s->score;
129  else
130  interpolate_scene_score = s->score = get_scene_score(ctx, s->f0, s->f1);
131  ff_dlog(ctx, "blend_frames() interpolate scene score:%f\n", interpolate_scene_score);
132  }
133  // decide if the shot-change detection allows us to blend two frames
134  if (interpolate_scene_score < s->scene_score) {
135  ThreadData td;
136  td.copy_src1 = s->f0;
137  td.copy_src2 = s->f1;
138  td.src2_factor = interpolate;
139  td.src1_factor = s->blend_factor_max - td.src2_factor;
140 
141  // get work-space for output frame
142  s->work = ff_get_video_buffer(outlink, outlink->w, outlink->h);
143  if (!s->work)
144  return AVERROR(ENOMEM);
145 
146  av_frame_copy_props(s->work, s->f0);
147 
148  ff_dlog(ctx, "blend_frames() INTERPOLATE to create work frame\n");
149  ctx->internal->execute(ctx, filter_slice, &td, NULL, FFMIN(FFMAX(1, outlink->h >> 2), ff_filter_get_nb_threads(ctx)));
150  return 1;
151  }
152  return 0;
153 }
154 
156 {
157  FrameRateContext *s = ctx->priv;
158  int64_t work_pts;
159  int64_t interpolate, interpolate8;
160  int ret;
161 
162  if (!s->f1)
163  return 0;
164  if (!s->f0 && !s->flush)
165  return 0;
166 
167  work_pts = s->start_pts + av_rescale_q(s->n, av_inv_q(s->dest_frame_rate), s->dest_time_base);
168 
169  if (work_pts >= s->pts1 && !s->flush)
170  return 0;
171 
172  if (!s->f0) {
173  av_assert1(s->flush);
174  s->work = s->f1;
175  s->f1 = NULL;
176  } else {
177  if (work_pts >= s->pts1 + s->delta && s->flush)
178  return 0;
179 
180  interpolate = av_rescale(work_pts - s->pts0, s->blend_factor_max, s->delta);
181  interpolate8 = av_rescale(work_pts - s->pts0, 256, s->delta);
182  ff_dlog(ctx, "process_work_frame() interpolate: %"PRId64"/256\n", interpolate8);
183  if (interpolate >= s->blend_factor_max || interpolate8 > s->interp_end) {
184  s->work = av_frame_clone(s->f1);
185  } else if (interpolate <= 0 || interpolate8 < s->interp_start) {
186  s->work = av_frame_clone(s->f0);
187  } else {
188  ret = blend_frames(ctx, interpolate);
189  if (ret < 0)
190  return ret;
191  if (ret == 0)
192  s->work = av_frame_clone(interpolate > (s->blend_factor_max >> 1) ? s->f1 : s->f0);
193  }
194  }
195 
196  if (!s->work)
197  return AVERROR(ENOMEM);
198 
199  s->work->pts = work_pts;
200  s->n++;
201 
202  return 1;
203 }
204 
206 {
207  FrameRateContext *s = ctx->priv;
208  s->start_pts = AV_NOPTS_VALUE;
209  return 0;
210 }
211 
213 {
214  FrameRateContext *s = ctx->priv;
215  av_frame_free(&s->f0);
216  av_frame_free(&s->f1);
217 }
218 
220 {
221  static const enum AVPixelFormat pix_fmts[] = {
232  };
233 
235  if (!fmts_list)
236  return AVERROR(ENOMEM);
237  return ff_set_common_formats(ctx, fmts_list);
238 }
239 
240 #define BLEND_FRAME_FUNC(nbits) \
241 static void blend_frames##nbits##_c(BLEND_FUNC_PARAMS) \
242 { \
243  int line, pixel; \
244  uint##nbits##_t *dstw = (uint##nbits##_t *)dst; \
245  uint##nbits##_t *src1w = (uint##nbits##_t *)src1; \
246  uint##nbits##_t *src2w = (uint##nbits##_t *)src2; \
247  int bytes = nbits / 8; \
248  width /= bytes; \
249  src1_linesize /= bytes; \
250  src2_linesize /= bytes; \
251  dst_linesize /= bytes; \
252  for (line = 0; line < height; line++) { \
253  for (pixel = 0; pixel < width; pixel++) \
254  dstw[pixel] = ((src1w[pixel] * factor1) + \
255  (src2w[pixel] * factor2) + half) \
256  >> BLEND_FACTOR_DEPTH(nbits); \
257  src1w += src1_linesize; \
258  src2w += src2_linesize; \
259  dstw += dst_linesize; \
260  } \
261 }
264 
266 {
267  if (s->bitdepth == 8) {
268  s->blend_factor_max = 1 << BLEND_FACTOR_DEPTH(8);
269  s->blend = blend_frames8_c;
270  } else {
271  s->blend_factor_max = 1 << BLEND_FACTOR_DEPTH(16);
272  s->blend = blend_frames16_c;
273  }
274  if (ARCH_X86)
276 }
277 
278 static int config_input(AVFilterLink *inlink)
279 {
280  AVFilterContext *ctx = inlink->dst;
281  FrameRateContext *s = ctx->priv;
282  const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(inlink->format);
283  int plane;
284 
285  s->vsub = pix_desc->log2_chroma_h;
286  for (plane = 0; plane < 4; plane++) {
287  s->line_size[plane] = av_image_get_linesize(inlink->format, inlink->w, plane);
288  s->height[plane] = inlink->h >> ((plane == 1 || plane == 2) ? s->vsub : 0);
289  }
290 
291  s->bitdepth = pix_desc->comp[0].depth;
292 
293  s->sad = ff_scene_sad_get_fn(s->bitdepth == 8 ? 8 : 16);
294  if (!s->sad)
295  return AVERROR(EINVAL);
296 
297  s->srce_time_base = inlink->time_base;
298 
300 
301  return 0;
302 }
303 
305 {
306  int ret, status;
307  AVFilterLink *inlink = ctx->inputs[0];
308  AVFilterLink *outlink = ctx->outputs[0];
309  FrameRateContext *s = ctx->priv;
310  AVFrame *inpicref;
311  int64_t pts;
312 
313  FF_FILTER_FORWARD_STATUS_BACK(outlink, inlink);
314 
315 retry:
316  ret = process_work_frame(ctx);
317  if (ret < 0)
318  return ret;
319  else if (ret == 1)
320  return ff_filter_frame(outlink, s->work);
321 
322  ret = ff_inlink_consume_frame(inlink, &inpicref);
323  if (ret < 0)
324  return ret;
325 
326  if (inpicref) {
327  if (inpicref->interlaced_frame)
328  av_log(ctx, AV_LOG_WARNING, "Interlaced frame found - the output will not be correct.\n");
329 
330  if (inpicref->pts == AV_NOPTS_VALUE) {
331  av_log(ctx, AV_LOG_WARNING, "Ignoring frame without PTS.\n");
332  av_frame_free(&inpicref);
333  }
334  }
335 
336  if (inpicref) {
337  pts = av_rescale_q(inpicref->pts, s->srce_time_base, s->dest_time_base);
338 
339  if (s->f1 && pts == s->pts1) {
340  av_log(ctx, AV_LOG_WARNING, "Ignoring frame with same PTS.\n");
341  av_frame_free(&inpicref);
342  }
343  }
344 
345  if (inpicref) {
346  av_frame_free(&s->f0);
347  s->f0 = s->f1;
348  s->pts0 = s->pts1;
349  s->f1 = inpicref;
350  s->pts1 = pts;
351  s->delta = s->pts1 - s->pts0;
352  s->score = -1.0;
353 
354  if (s->delta < 0) {
355  av_log(ctx, AV_LOG_WARNING, "PTS discontinuity.\n");
356  s->start_pts = s->pts1;
357  s->n = 0;
358  av_frame_free(&s->f0);
359  }
360 
361  if (s->start_pts == AV_NOPTS_VALUE)
362  s->start_pts = s->pts1;
363 
364  goto retry;
365  }
366 
367  if (ff_inlink_acknowledge_status(inlink, &status, &pts)) {
368  if (!s->flush) {
369  s->flush = 1;
370  goto retry;
371  }
372  ff_outlink_set_status(outlink, status, pts);
373  return 0;
374  }
375 
376  FF_FILTER_FORWARD_WANTED(outlink, inlink);
377 
378  return FFERROR_NOT_READY;
379 }
380 
381 static int config_output(AVFilterLink *outlink)
382 {
383  AVFilterContext *ctx = outlink->src;
384  FrameRateContext *s = ctx->priv;
385  int exact;
386 
387  ff_dlog(ctx, "config_output()\n");
388 
389  ff_dlog(ctx,
390  "config_output() input time base:%u/%u (%f)\n",
391  ctx->inputs[0]->time_base.num,ctx->inputs[0]->time_base.den,
392  av_q2d(ctx->inputs[0]->time_base));
393 
394  // make sure timebase is small enough to hold the framerate
395 
396  exact = av_reduce(&s->dest_time_base.num, &s->dest_time_base.den,
397  av_gcd((int64_t)s->srce_time_base.num * s->dest_frame_rate.num,
398  (int64_t)s->srce_time_base.den * s->dest_frame_rate.den ),
399  (int64_t)s->srce_time_base.den * s->dest_frame_rate.num, INT_MAX);
400 
402  "time base:%u/%u -> %u/%u exact:%d\n",
403  s->srce_time_base.num, s->srce_time_base.den,
404  s->dest_time_base.num, s->dest_time_base.den, exact);
405  if (!exact) {
406  av_log(ctx, AV_LOG_WARNING, "Timebase conversion is not exact\n");
407  }
408 
409  outlink->frame_rate = s->dest_frame_rate;
410  outlink->time_base = s->dest_time_base;
411 
412  ff_dlog(ctx,
413  "config_output() output time base:%u/%u (%f) w:%d h:%d\n",
414  outlink->time_base.num, outlink->time_base.den,
415  av_q2d(outlink->time_base),
416  outlink->w, outlink->h);
417 
418 
419  av_log(ctx, AV_LOG_INFO, "fps -> fps:%u/%u scene score:%f interpolate start:%d end:%d\n",
420  s->dest_frame_rate.num, s->dest_frame_rate.den,
421  s->scene_score, s->interp_start, s->interp_end);
422 
423  return 0;
424 }
425 
426 static const AVFilterPad framerate_inputs[] = {
427  {
428  .name = "default",
429  .type = AVMEDIA_TYPE_VIDEO,
430  .config_props = config_input,
431  },
432  { NULL }
433 };
434 
435 static const AVFilterPad framerate_outputs[] = {
436  {
437  .name = "default",
438  .type = AVMEDIA_TYPE_VIDEO,
439  .config_props = config_output,
440  },
441  { NULL }
442 };
443 
445  .name = "framerate",
446  .description = NULL_IF_CONFIG_SMALL("Upsamples or downsamples progressive source between specified frame rates."),
447  .priv_size = sizeof(FrameRateContext),
448  .priv_class = &framerate_class,
449  .init = init,
450  .uninit = uninit,
455  .activate = activate,
456 };
static const AVFilterPad inputs[]
Definition: af_acontrast.c:193
static const AVFilterPad outputs[]
Definition: af_acontrast.c:203
#define av_cold
Definition: attributes.h:88
uint8_t
simple assert() macros that are a bit more flexible than ISO C assert().
#define av_assert1(cond)
assert() equivalent, that does not lie in speed critical code.
Definition: avassert.h:53
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:1449
int ff_filter_frame(AVFilterLink *link, AVFrame *frame)
Send a frame of data to the next filter.
Definition: avfilter.c:1096
int ff_filter_get_nb_threads(AVFilterContext *ctx)
Get number of threads for current filter instance.
Definition: avfilter.c:802
int ff_inlink_consume_frame(AVFilterLink *link, AVFrame **rframe)
Take a frame from the link's FIFO and update the link's stats.
Definition: avfilter.c:1494
Main libavfilter public API header.
#define flags(name, subs,...)
Definition: cbs_av1.c:572
#define s(width, name)
Definition: cbs_vp9.c:257
#define FFMIN(a, b)
Definition: common.h:105
#define FFMAX(a, b)
Definition: common.h:103
#define av_clipf
Definition: common.h:170
#define ARCH_X86
Definition: config.h:39
#define NULL
Definition: coverity.c:32
long long int64_t
Definition: coverity.c:34
static __device__ float fabs(float a)
Definition: cuda_runtime.h:182
#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
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
#define FFERROR_NOT_READY
Filters implementation helper functions.
Definition: filters.h:34
#define FF_FILTER_FORWARD_STATUS_BACK(outlink, inlink)
Forward the status on an output link to an input link.
Definition: filters.h:199
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:587
AVFilterFormats * ff_make_format_list(const int *fmts)
Create a list of supported formats.
Definition: formats.c:286
void ff_framerate_init_x86(FrameRateContext *s)
#define BLEND_FACTOR_DEPTH(n)
Definition: framerate.h:31
@ AV_OPT_TYPE_CONST
Definition: opt.h:234
@ AV_OPT_TYPE_FLAGS
Definition: opt.h:224
@ AV_OPT_TYPE_VIDEO_RATE
offset must point to AVRational
Definition: opt.h:238
@ AV_OPT_TYPE_INT
Definition: opt.h:225
@ AV_OPT_TYPE_DOUBLE
Definition: opt.h:227
#define AVFILTER_FLAG_SLICE_THREADS
The filter supports multithreading by splitting frames into multiple parts and processing them concur...
Definition: avfilter.h:117
#define AVERROR(e)
Definition: error.h:43
AVFrame * av_frame_clone(const AVFrame *src)
Create a new frame that references the same data as src.
Definition: frame.c:540
void av_frame_free(AVFrame **frame)
Free the frame and any dynamically allocated objects in it, e.g.
Definition: frame.c:203
int av_frame_copy_props(AVFrame *dst, const AVFrame *src)
Copy only "metadata" fields from src to dst.
Definition: frame.c:658
#define AV_LOG_WARNING
Something somehow does not look correct.
Definition: log.h:200
#define AV_LOG_INFO
Standard information.
Definition: log.h:205
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
static double av_q2d(AVRational a)
Convert an AVRational to a double.
Definition: rational.h:104
static av_always_inline AVRational av_inv_q(AVRational q)
Invert a rational.
Definition: rational.h:159
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
int64_t av_gcd(int64_t a, int64_t b)
Compute the greatest common divisor of two integer operands.
Definition: mathematics.c:37
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
@ AVMEDIA_TYPE_VIDEO
Definition: avutil.h:201
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
#define AV_NOPTS_VALUE
Undefined timestamp value.
Definition: avutil.h:248
misc image utilities
const char * arg
Definition: jacosubdec.c:66
common internal API header
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
Definition: internal.h:117
#define emms_c()
Definition: internal.h:54
static enum AVPixelFormat pix_fmts[]
Definition: libkvazaar.c:309
AVOptions.
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
Definition: pixdesc.c:2573
#define AV_PIX_FMT_YUV444P12
Definition: pixfmt.h:406
#define AV_PIX_FMT_YUV444P9
Definition: pixfmt.h:398
#define AV_PIX_FMT_YUV420P10
Definition: pixfmt.h:399
#define AV_PIX_FMT_YUV422P9
Definition: pixfmt.h:397
#define AV_PIX_FMT_YUV420P12
Definition: pixfmt.h:403
#define AV_PIX_FMT_YUV422P12
Definition: pixfmt.h:404
#define AV_PIX_FMT_YUV422P10
Definition: pixfmt.h:400
#define AV_PIX_FMT_YUV420P9
Definition: pixfmt.h:396
AVPixelFormat
Pixel format.
Definition: pixfmt.h:64
@ AV_PIX_FMT_NONE
Definition: pixfmt.h:65
@ AV_PIX_FMT_YUV420P
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
Definition: pixfmt.h:66
@ AV_PIX_FMT_YUV440P
planar YUV 4:4:0 (1 Cr & Cb sample per 1x2 Y samples)
Definition: pixfmt.h:99
@ AV_PIX_FMT_YUV422P
planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
Definition: pixfmt.h:70
@ AV_PIX_FMT_YUVJ440P
planar YUV 4:4:0 full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV440P and setting color_range
Definition: pixfmt.h:100
@ AV_PIX_FMT_YUV410P
planar YUV 4:1:0, 9bpp, (1 Cr & Cb sample per 4x4 Y samples)
Definition: pixfmt.h:72
@ AV_PIX_FMT_YUV411P
planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples)
Definition: pixfmt.h:73
@ AV_PIX_FMT_YUV444P
planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples)
Definition: pixfmt.h:71
@ AV_PIX_FMT_YUVJ411P
planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples) full scale (JPEG), deprecated in favor ...
Definition: pixfmt.h:258
@ AV_PIX_FMT_YUVJ422P
planar YUV 4:2:2, 16bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV422P and setting col...
Definition: pixfmt.h:79
@ AV_PIX_FMT_YUVJ444P
planar YUV 4:4:4, 24bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV444P and setting col...
Definition: pixfmt.h:80
@ AV_PIX_FMT_YUVJ420P
planar YUV 4:2:0, 12bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV420P and setting col...
Definition: pixfmt.h:78
#define AV_PIX_FMT_YUV444P10
Definition: pixfmt.h:402
#define td
Definition: regdef.h:70
ff_scene_sad_fn ff_scene_sad_get_fn(int depth)
Definition: scene_sad.c:59
Scene SAD functions.
int depth
Number of bits in the component.
Definition: pixdesc.h:58
An instance of a filter.
Definition: avfilter.h:341
A list of supported formats for one end of a filter link.
Definition: formats.h:65
A filter pad used for either input or output.
Definition: internal.h:54
const char * name
Pad name.
Definition: internal.h:60
Filter definition.
Definition: avfilter.h:145
const char * name
Filter name.
Definition: avfilter.h:149
AVFormatInternal * internal
An opaque field for libavformat internal usage.
Definition: avformat.h:1699
This structure describes decoded (raw) audio or video data.
Definition: frame.h:318
int64_t pts
Presentation timestamp in time_base units (time when frame should be shown to user).
Definition: frame.h:411
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition: frame.h:332
int width
Definition: frame.h:376
int height
Definition: frame.h:376
int interlaced_frame
The content of the picture is interlaced.
Definition: frame.h:465
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
Definition: frame.h:349
AVOption.
Definition: opt.h:248
Descriptor that unambiguously describes how the bits of a pixel are stored in the up to 4 data planes...
Definition: pixdesc.h:81
AVComponentDescriptor comp[4]
Parameters that describe how pixels are packed.
Definition: pixdesc.h:117
uint8_t log2_chroma_h
Amount to shift the luma height right to find the chroma height.
Definition: pixdesc.h:101
int num
Numerator.
Definition: rational.h:59
int den
Denominator.
Definition: rational.h:60
Used for passing data between threads.
Definition: dsddec.c:67
AVFrame * copy_src1
Definition: vf_framerate.c:90
AVFrame * copy_src2
Definition: vf_framerate.c:90
uint16_t src1_factor
Definition: vf_framerate.c:91
uint16_t src2_factor
Definition: vf_framerate.c:91
#define ff_dlog(a,...)
#define av_log(a,...)
#define src1
Definition: h264pred.c:140
int framerate
Definition: h264_levels.c:65
AVFormatContext * ctx
Definition: movenc.c:48
static int64_t pts
static void interpolate(float *out, float v1, float v2, int size)
Definition: twinvq.c:84
static int blend_frames(AVFilterContext *ctx, int interpolate)
Definition: vf_framerate.c:120
#define FRAMERATE_FLAG_SCD
Definition: vf_framerate.c:47
static int process_work_frame(AVFilterContext *ctx)
Definition: vf_framerate.c:155
static const AVOption framerate_options[]
Definition: vf_framerate.c:49
#define F
Definition: vf_framerate.c:46
static int query_formats(AVFilterContext *ctx)
Definition: vf_framerate.c:219
static int config_input(AVFilterLink *inlink)
Definition: vf_framerate.c:278
AVFILTER_DEFINE_CLASS(framerate)
void ff_framerate_init(FrameRateContext *s)
Definition: vf_framerate.c:265
static const AVFilterPad framerate_outputs[]
Definition: vf_framerate.c:435
static double get_scene_score(AVFilterContext *ctx, AVFrame *crnt, AVFrame *next)
Definition: vf_framerate.c:65
static int activate(AVFilterContext *ctx)
Definition: vf_framerate.c:304
static av_cold int init(AVFilterContext *ctx)
Definition: vf_framerate.c:205
AVFilter ff_vf_framerate
Definition: vf_framerate.c:444
static av_cold void uninit(AVFilterContext *ctx)
Definition: vf_framerate.c:212
static int filter_slice(AVFilterContext *ctx, void *arg, int job, int nb_jobs)
Definition: vf_framerate.c:94
static const AVFilterPad framerate_inputs[]
Definition: vf_framerate.c:426
#define OFFSET(x)
Definition: vf_framerate.c:44
static int config_output(AVFilterLink *outlink)
Definition: vf_framerate.c:381
#define BLEND_FRAME_FUNC(nbits)
Definition: vf_framerate.c:240
#define V
Definition: vf_framerate.c:45
static av_always_inline int diff(const uint32_t a, const uint32_t b)
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