FFmpeg
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");
150  FFMIN(FFMAX(1, outlink->h >> 2), ff_filter_get_nb_threads(ctx)));
151  return 1;
152  }
153  return 0;
154 }
155 
157 {
158  FrameRateContext *s = ctx->priv;
159  int64_t work_pts;
160  int64_t interpolate, interpolate8;
161  int ret;
162 
163  if (!s->f1)
164  return 0;
165  if (!s->f0 && !s->flush)
166  return 0;
167 
168  work_pts = s->start_pts + av_rescale_q(s->n, av_inv_q(s->dest_frame_rate), s->dest_time_base);
169 
170  if (work_pts >= s->pts1 && !s->flush)
171  return 0;
172 
173  if (!s->f0) {
174  av_assert1(s->flush);
175  s->work = s->f1;
176  s->f1 = NULL;
177  } else {
178  if (work_pts >= s->pts1 + s->delta && s->flush)
179  return 0;
180 
181  interpolate = av_rescale(work_pts - s->pts0, s->blend_factor_max, s->delta);
182  interpolate8 = av_rescale(work_pts - s->pts0, 256, s->delta);
183  ff_dlog(ctx, "process_work_frame() interpolate: %"PRId64"/256\n", interpolate8);
184  if (interpolate >= s->blend_factor_max || interpolate8 > s->interp_end) {
185  s->work = av_frame_clone(s->f1);
186  } else if (interpolate <= 0 || interpolate8 < s->interp_start) {
187  s->work = av_frame_clone(s->f0);
188  } else {
190  if (ret < 0)
191  return ret;
192  if (ret == 0)
193  s->work = av_frame_clone(interpolate > (s->blend_factor_max >> 1) ? s->f1 : s->f0);
194  }
195  }
196 
197  if (!s->work)
198  return AVERROR(ENOMEM);
199 
200  s->work->pts = work_pts;
201  s->n++;
202 
203  return 1;
204 }
205 
207 {
208  FrameRateContext *s = ctx->priv;
209  s->start_pts = AV_NOPTS_VALUE;
210  return 0;
211 }
212 
214 {
215  FrameRateContext *s = ctx->priv;
216  av_frame_free(&s->f0);
217  av_frame_free(&s->f1);
218 }
219 
220 static const enum AVPixelFormat pix_fmts[] = {
231 };
232 
233 #define BLEND_FRAME_FUNC(nbits) \
234 static void blend_frames##nbits##_c(BLEND_FUNC_PARAMS) \
235 { \
236  int line, pixel; \
237  uint##nbits##_t *dstw = (uint##nbits##_t *)dst; \
238  uint##nbits##_t *src1w = (uint##nbits##_t *)src1; \
239  uint##nbits##_t *src2w = (uint##nbits##_t *)src2; \
240  int bytes = nbits / 8; \
241  width /= bytes; \
242  src1_linesize /= bytes; \
243  src2_linesize /= bytes; \
244  dst_linesize /= bytes; \
245  for (line = 0; line < height; line++) { \
246  for (pixel = 0; pixel < width; pixel++) \
247  dstw[pixel] = ((src1w[pixel] * factor1) + \
248  (src2w[pixel] * factor2) + half) \
249  >> BLEND_FACTOR_DEPTH(nbits); \
250  src1w += src1_linesize; \
251  src2w += src2_linesize; \
252  dstw += dst_linesize; \
253  } \
254 }
257 
259 {
260  if (s->bitdepth == 8) {
261  s->blend_factor_max = 1 << BLEND_FACTOR_DEPTH(8);
262  s->blend = blend_frames8_c;
263  } else {
264  s->blend_factor_max = 1 << BLEND_FACTOR_DEPTH(16);
265  s->blend = blend_frames16_c;
266  }
267 #if ARCH_X86
269 #endif
270 }
271 
273 {
274  AVFilterContext *ctx = inlink->dst;
275  FrameRateContext *s = ctx->priv;
276  const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(inlink->format);
277  int plane;
278 
279  s->vsub = pix_desc->log2_chroma_h;
280  for (plane = 0; plane < 4; plane++) {
281  s->line_size[plane] = av_image_get_linesize(inlink->format, inlink->w, plane);
282  s->height[plane] = inlink->h >> ((plane == 1 || plane == 2) ? s->vsub : 0);
283  }
284 
285  s->bitdepth = pix_desc->comp[0].depth;
286 
287  s->sad = ff_scene_sad_get_fn(s->bitdepth == 8 ? 8 : 16);
288  if (!s->sad)
289  return AVERROR(EINVAL);
290 
291  s->srce_time_base = inlink->time_base;
292 
294 
295  return 0;
296 }
297 
299 {
300  int ret, status;
301  AVFilterLink *inlink = ctx->inputs[0];
302  AVFilterLink *outlink = ctx->outputs[0];
303  FrameRateContext *s = ctx->priv;
304  AVFrame *inpicref;
305  int64_t pts;
306 
308 
309 retry:
311  if (ret < 0)
312  return ret;
313  else if (ret == 1)
314  return ff_filter_frame(outlink, s->work);
315 
316  ret = ff_inlink_consume_frame(inlink, &inpicref);
317  if (ret < 0)
318  return ret;
319 
320  if (inpicref) {
321  if (inpicref->interlaced_frame)
322  av_log(ctx, AV_LOG_WARNING, "Interlaced frame found - the output will not be correct.\n");
323 
324  if (inpicref->pts == AV_NOPTS_VALUE) {
325  av_log(ctx, AV_LOG_WARNING, "Ignoring frame without PTS.\n");
326  av_frame_free(&inpicref);
327  }
328  }
329 
330  if (inpicref) {
331  pts = av_rescale_q(inpicref->pts, s->srce_time_base, s->dest_time_base);
332 
333  if (s->f1 && pts == s->pts1) {
334  av_log(ctx, AV_LOG_WARNING, "Ignoring frame with same PTS.\n");
335  av_frame_free(&inpicref);
336  }
337  }
338 
339  if (inpicref) {
340  av_frame_free(&s->f0);
341  s->f0 = s->f1;
342  s->pts0 = s->pts1;
343  s->f1 = inpicref;
344  s->pts1 = pts;
345  s->delta = s->pts1 - s->pts0;
346  s->score = -1.0;
347 
348  if (s->delta < 0) {
349  av_log(ctx, AV_LOG_WARNING, "PTS discontinuity.\n");
350  s->start_pts = s->pts1;
351  s->n = 0;
352  av_frame_free(&s->f0);
353  }
354 
355  if (s->start_pts == AV_NOPTS_VALUE)
356  s->start_pts = s->pts1;
357 
358  goto retry;
359  }
360 
362  if (!s->flush) {
363  s->flush = 1;
364  goto retry;
365  }
366  ff_outlink_set_status(outlink, status, pts);
367  return 0;
368  }
369 
371 
372  return FFERROR_NOT_READY;
373 }
374 
375 static int config_output(AVFilterLink *outlink)
376 {
377  AVFilterContext *ctx = outlink->src;
378  FrameRateContext *s = ctx->priv;
379  int exact;
380 
381  ff_dlog(ctx, "config_output()\n");
382 
383  ff_dlog(ctx,
384  "config_output() input time base:%u/%u (%f)\n",
385  ctx->inputs[0]->time_base.num,ctx->inputs[0]->time_base.den,
386  av_q2d(ctx->inputs[0]->time_base));
387 
388  // make sure timebase is small enough to hold the framerate
389 
390  exact = av_reduce(&s->dest_time_base.num, &s->dest_time_base.den,
391  av_gcd((int64_t)s->srce_time_base.num * s->dest_frame_rate.num,
392  (int64_t)s->srce_time_base.den * s->dest_frame_rate.den ),
393  (int64_t)s->srce_time_base.den * s->dest_frame_rate.num, INT_MAX);
394 
396  "time base:%u/%u -> %u/%u exact:%d\n",
397  s->srce_time_base.num, s->srce_time_base.den,
398  s->dest_time_base.num, s->dest_time_base.den, exact);
399  if (!exact) {
400  av_log(ctx, AV_LOG_WARNING, "Timebase conversion is not exact\n");
401  }
402 
403  outlink->frame_rate = s->dest_frame_rate;
404  outlink->time_base = s->dest_time_base;
405 
406  ff_dlog(ctx,
407  "config_output() output time base:%u/%u (%f) w:%d h:%d\n",
408  outlink->time_base.num, outlink->time_base.den,
409  av_q2d(outlink->time_base),
410  outlink->w, outlink->h);
411 
412 
413  av_log(ctx, AV_LOG_INFO, "fps -> fps:%u/%u scene score:%f interpolate start:%d end:%d\n",
414  s->dest_frame_rate.num, s->dest_frame_rate.den,
415  s->scene_score, s->interp_start, s->interp_end);
416 
417  return 0;
418 }
419 
420 static const AVFilterPad framerate_inputs[] = {
421  {
422  .name = "default",
423  .type = AVMEDIA_TYPE_VIDEO,
424  .config_props = config_input,
425  },
426 };
427 
428 static const AVFilterPad framerate_outputs[] = {
429  {
430  .name = "default",
431  .type = AVMEDIA_TYPE_VIDEO,
432  .config_props = config_output,
433  },
434 };
435 
437  .name = "framerate",
438  .description = NULL_IF_CONFIG_SMALL("Upsamples or downsamples progressive source between specified frame rates."),
439  .priv_size = sizeof(FrameRateContext),
440  .priv_class = &framerate_class,
441  .init = init,
442  .uninit = uninit,
447  .activate = activate,
448 };
ff_get_video_buffer
AVFrame * ff_get_video_buffer(AVFilterLink *link, int w, int h)
Request a picture buffer with a specific set of permissions.
Definition: video.c:101
AV_LOG_WARNING
#define AV_LOG_WARNING
Something somehow does not look correct.
Definition: log.h:186
td
#define td
Definition: regdef.h:70
AVPixelFormat
AVPixelFormat
Pixel format.
Definition: pixfmt.h:64
status
they must not be accessed directly The fifo field contains the frames that are queued in the input for processing by the filter The status_in and status_out fields contains the queued status(EOF or error) of the link
get_scene_score
static double get_scene_score(AVFilterContext *ctx, AVFrame *crnt, AVFrame *next)
Definition: vf_framerate.c:65
AVERROR
Filter the word “frame” indicates either a video frame or a group of audio as stored in an AVFrame structure Format for each input and each output the list of supported formats For video that means pixel format For audio that means channel sample they are references to shared objects When the negotiation mechanism computes the intersection of the formats supported at each end of a all references to both lists are replaced with a reference to the intersection And when a single format is eventually chosen for a link amongst the remaining all references to the list are updated That means that if a filter requires that its input and output have the same format amongst a supported all it has to do is use a reference to the same list of formats query_formats can leave some formats unset and return AVERROR(EAGAIN) to cause the negotiation mechanism toagain later. That can be used by filters with complex requirements to use the format negotiated on one link to set the formats supported on another. Frame references ownership and permissions
opt.h
ff_filter_frame
int ff_filter_frame(AVFilterLink *link, AVFrame *frame)
Send a frame of data to the next filter.
Definition: avfilter.c:999
av_pix_fmt_desc_get
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
Definition: pixdesc.c:2675
FFERROR_NOT_READY
return FFERROR_NOT_READY
Definition: filter_design.txt:204
AV_OPT_TYPE_VIDEO_RATE
@ AV_OPT_TYPE_VIDEO_RATE
offset must point to AVRational
Definition: opt.h:238
src1
const pixel * src1
Definition: h264pred_template.c:421
FILTER_PIXFMTS_ARRAY
#define FILTER_PIXFMTS_ARRAY(array)
Definition: internal.h:170
process_work_frame
static int process_work_frame(AVFilterContext *ctx)
Definition: vf_framerate.c:156
inlink
The exact code depends on how similar the blocks are and how related they are to the and needs to apply these operations to the correct inlink or outlink if there are several Macros are available to factor that when no extra processing is inlink
Definition: filter_design.txt:212
av_frame_free
void av_frame_free(AVFrame **frame)
Free the frame and any dynamically allocated objects in it, e.g.
Definition: frame.c:116
AVFrame
This structure describes decoded (raw) audio or video data.
Definition: frame.h:325
pixdesc.h
AVFrame::pts
int64_t pts
Presentation timestamp in time_base units (time when frame should be shown to user).
Definition: frame.h:432
AVFrame::width
int width
Definition: frame.h:397
framerate.h
AVComponentDescriptor::depth
int depth
Number of bits in the component.
Definition: pixdesc.h:57
FrameRateContext
Definition: framerate.h:35
AVOption
AVOption.
Definition: opt.h:251
AV_PIX_FMT_YUV420P10
#define AV_PIX_FMT_YUV420P10
Definition: pixfmt.h:408
activate
static int activate(AVFilterContext *ctx)
Definition: vf_framerate.c:298
AV_PIX_FMT_YUV440P
@ AV_PIX_FMT_YUV440P
planar YUV 4:4:0 (1 Cr & Cb sample per 1x2 Y samples)
Definition: pixfmt.h:99
FFMAX
#define FFMAX(a, b)
Definition: macros.h:47
AVFilter::name
const char * name
Filter name.
Definition: avfilter.h:175
video.h
FF_FILTER_FORWARD_STATUS_BACK
#define FF_FILTER_FORWARD_STATUS_BACK(outlink, inlink)
Forward the status on an output link to an input link.
Definition: filters.h:199
AVFILTER_DEFINE_CLASS
AVFILTER_DEFINE_CLASS(framerate)
AVFrame::data
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition: frame.h:346
av_gcd
int64_t av_gcd(int64_t a, int64_t b)
Compute the greatest common divisor of two integer operands.
Definition: mathematics.c:37
framerate
int framerate
Definition: h264_levels.c:65
ff_inlink_consume_frame
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:1394
FRAMERATE_FLAG_SCD
#define FRAMERATE_FLAG_SCD
Definition: vf_framerate.c:47
AV_PIX_FMT_YUV422P9
#define AV_PIX_FMT_YUV422P9
Definition: pixfmt.h:406
BLEND_FACTOR_DEPTH
#define BLEND_FACTOR_DEPTH(n)
Definition: framerate.h:31
pts
static int64_t pts
Definition: transcode_aac.c:654
av_reduce
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
AVRational::num
int num
Numerator.
Definition: rational.h:59
AVFilterPad
A filter pad used for either input or output.
Definition: internal.h:49
AV_PIX_FMT_YUV444P10
#define AV_PIX_FMT_YUV444P10
Definition: pixfmt.h:411
AV_PIX_FMT_YUVJ411P
@ 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:248
avassert.h
av_cold
#define av_cold
Definition: attributes.h:90
AV_PIX_FMT_YUVJ422P
@ 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
blend_frames
static int blend_frames(AVFilterContext *ctx, int interpolate)
Definition: vf_framerate.c:120
ff_outlink_set_status
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
s
#define s(width, name)
Definition: cbs_vp9.c:256
ThreadData::src1_factor
uint16_t src1_factor
Definition: vf_framerate.c:91
AV_OPT_TYPE_DOUBLE
@ AV_OPT_TYPE_DOUBLE
Definition: opt.h:227
av_q2d
static double av_q2d(AVRational a)
Convert an AVRational to a double.
Definition: rational.h:104
filters.h
AV_PIX_FMT_YUV420P9
#define AV_PIX_FMT_YUV420P9
Definition: pixfmt.h:405
ctx
AVFormatContext * ctx
Definition: movenc.c:48
av_frame_clone
AVFrame * av_frame_clone(const AVFrame *src)
Create a new frame that references the same data as src.
Definition: frame.c:474
av_rescale_q
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
AV_PIX_FMT_YUV420P
@ AV_PIX_FMT_YUV420P
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
Definition: pixfmt.h:66
FILTER_INPUTS
#define FILTER_INPUTS(array)
Definition: internal.h:190
AV_PIX_FMT_YUVJ444P
@ 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
arg
const char * arg
Definition: jacosubdec.c:67
ff_scene_sad_get_fn
ff_scene_sad_fn ff_scene_sad_get_fn(int depth)
Definition: scene_sad.c:59
fabs
static __device__ float fabs(float a)
Definition: cuda_runtime.h:182
NULL
#define NULL
Definition: coverity.c:32
av_frame_copy_props
int av_frame_copy_props(AVFrame *dst, const AVFrame *src)
Copy only "metadata" fields from src to dst.
Definition: frame.c:603
AV_PIX_FMT_YUVJ420P
@ 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
work
must be printed separately If there s no standard function for printing the type you the WRITE_1D_FUNC_ARGV macro is a very quick way to create one See libavcodec dv_tablegen c for an example The h file This file should the initialization functions should not do and instead of the variable declarations the generated *_tables h file should be included Since that will be generated in the build the path must be i e not Makefile changes To make the automatic table creation work
Definition: tablegen.txt:66
double
double
Definition: af_crystalizer.c:132
ff_vf_framerate
const AVFilter ff_vf_framerate
Definition: vf_framerate.c:436
AV_PIX_FMT_YUV422P10
#define AV_PIX_FMT_YUV422P10
Definition: pixfmt.h:409
av_clipf
av_clipf
Definition: af_crystalizer.c:122
BLEND_FRAME_FUNC
#define BLEND_FRAME_FUNC(nbits)
Definition: vf_framerate.c:233
ff_inlink_acknowledge_status
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:1348
scene_sad.h
ff_dlog
#define ff_dlog(a,...)
Definition: tableprint_vlc.h:28
init
static av_cold int init(AVFilterContext *ctx)
Definition: vf_framerate.c:206
pix_fmts
static enum AVPixelFormat pix_fmts[]
Definition: vf_framerate.c:220
NULL_IF_CONFIG_SMALL
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
Definition: internal.h:117
AV_PIX_FMT_YUV422P12
#define AV_PIX_FMT_YUV422P12
Definition: pixfmt.h:413
AV_NOPTS_VALUE
#define AV_NOPTS_VALUE
Undefined timestamp value.
Definition: avutil.h:248
AV_PIX_FMT_YUV444P12
#define AV_PIX_FMT_YUV444P12
Definition: pixfmt.h:415
ThreadData::copy_src1
AVFrame * copy_src1
Definition: vf_framerate.c:90
filter_slice
static int filter_slice(AVFilterContext *ctx, void *arg, int job, int nb_jobs)
Definition: vf_framerate.c:94
F
#define F
Definition: vf_framerate.c:46
FF_FILTER_FORWARD_WANTED
FF_FILTER_FORWARD_WANTED(outlink, inlink)
interpolate
static void interpolate(float *out, float v1, float v2, int size)
Definition: twinvq.c:84
AV_LOG_INFO
#define AV_LOG_INFO
Standard information.
Definition: log.h:191
internal.h
av_image_get_linesize
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
AVFrame::interlaced_frame
int interlaced_frame
The content of the picture is interlaced.
Definition: frame.h:477
framerate_outputs
static const AVFilterPad framerate_outputs[]
Definition: vf_framerate.c:428
internal.h
src2
const pixel * src2
Definition: h264pred_template.c:422
ff_framerate_init
void ff_framerate_init(FrameRateContext *s)
Definition: vf_framerate.c:258
ff_filter_get_nb_threads
int ff_filter_get_nb_threads(AVFilterContext *ctx)
Get number of threads for current filter instance.
Definition: avfilter.c:783
av_assert1
#define av_assert1(cond)
assert() equivalent, that does not lie in speed critical code.
Definition: avassert.h:53
ThreadData
Used for passing data between threads.
Definition: dsddec.c:68
FFMIN
#define FFMIN(a, b)
Definition: macros.h:49
AV_PIX_FMT_YUVJ440P
@ 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_inv_q
static av_always_inline AVRational av_inv_q(AVRational q)
Invert a rational.
Definition: rational.h:159
AVFilterPad::name
const char * name
Pad name.
Definition: internal.h:55
av_rescale
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
AV_PIX_FMT_YUV444P9
#define AV_PIX_FMT_YUV444P9
Definition: pixfmt.h:407
config_input
static int config_input(AVFilterLink *inlink)
Definition: vf_framerate.c:272
AVFilter
Filter definition.
Definition: avfilter.h:171
ret
ret
Definition: filter_design.txt:187
ThreadData::src2_factor
uint16_t src2_factor
Definition: vf_framerate.c:91
AV_PIX_FMT_YUV420P12
#define AV_PIX_FMT_YUV420P12
Definition: pixfmt.h:412
AVFrame::height
int height
Definition: frame.h:397
V
#define V
Definition: vf_framerate.c:45
AVRational::den
int den
Denominator.
Definition: rational.h:60
AV_PIX_FMT_NONE
@ AV_PIX_FMT_NONE
Definition: pixfmt.h:65
AV_OPT_TYPE_INT
@ AV_OPT_TYPE_INT
Definition: opt.h:225
avfilter.h
AVPixFmtDescriptor::comp
AVComponentDescriptor comp[4]
Parameters that describe how pixels are packed.
Definition: pixdesc.h:105
framerate_inputs
static const AVFilterPad framerate_inputs[]
Definition: vf_framerate.c:420
OFFSET
#define OFFSET(x)
Definition: vf_framerate.c:44
AV_PIX_FMT_YUV444P
@ AV_PIX_FMT_YUV444P
planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples)
Definition: pixfmt.h:71
AVFilterContext
An instance of a filter.
Definition: avfilter.h:408
AVFILTER_FLAG_SLICE_THREADS
#define AVFILTER_FLAG_SLICE_THREADS
The filter supports multithreading by splitting frames into multiple parts and processing them concur...
Definition: avfilter.h:127
AVMEDIA_TYPE_VIDEO
@ AVMEDIA_TYPE_VIDEO
Definition: avutil.h:201
AV_PIX_FMT_YUV422P
@ AV_PIX_FMT_YUV422P
planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
Definition: pixfmt.h:70
AVPixFmtDescriptor
Descriptor that unambiguously describes how the bits of a pixel are stored in the up to 4 data planes...
Definition: pixdesc.h:69
diff
static av_always_inline int diff(const uint32_t a, const uint32_t b)
Definition: vf_palettegen.c:139
uninit
static av_cold void uninit(AVFilterContext *ctx)
Definition: vf_framerate.c:213
FILTER_OUTPUTS
#define FILTER_OUTPUTS(array)
Definition: internal.h:191
AV_PIX_FMT_YUV411P
@ AV_PIX_FMT_YUV411P
planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples)
Definition: pixfmt.h:73
ff_framerate_init_x86
void ff_framerate_init_x86(FrameRateContext *s)
Definition: vf_framerate_init.c:28
AV_OPT_TYPE_FLAGS
@ AV_OPT_TYPE_FLAGS
Definition: opt.h:224
imgutils.h
flags
#define flags(name, subs,...)
Definition: cbs_av1.c:561
ThreadData::copy_src2
AVFrame * copy_src2
Definition: vf_framerate.c:90
AVFrame::linesize
int linesize[AV_NUM_DATA_POINTERS]
For video, a positive or negative value, which is typically indicating the size in bytes of each pict...
Definition: frame.h:370
AV_PIX_FMT_YUV410P
@ AV_PIX_FMT_YUV410P
planar YUV 4:1:0, 9bpp, (1 Cr & Cb sample per 4x4 Y samples)
Definition: pixfmt.h:72
av_log
#define av_log(a,...)
Definition: tableprint_vlc.h:27
framerate_options
static const AVOption framerate_options[]
Definition: vf_framerate.c:49
ff_filter_execute
static av_always_inline int ff_filter_execute(AVFilterContext *ctx, avfilter_action_func *func, void *arg, int *ret, int nb_jobs)
Definition: internal.h:142
AV_OPT_TYPE_CONST
@ AV_OPT_TYPE_CONST
Definition: opt.h:234
config_output
static int config_output(AVFilterLink *outlink)
Definition: vf_framerate.c:375
AVPixFmtDescriptor::log2_chroma_h
uint8_t log2_chroma_h
Amount to shift the luma height right to find the chroma height.
Definition: pixdesc.h:89