FFmpeg  4.0
vf_atadenoise.c
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1 /*
2  * Copyright (c) 2015 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 /**
22  * @file
23  * Adaptive Temporal Averaging Denoiser,
24  * based on paper "Video Denoising Based on Adaptive Temporal Averaging" by
25  * David Bartovčak and Miroslav Vrankić
26  */
27 
28 #include "libavutil/imgutils.h"
29 #include "libavutil/opt.h"
30 #include "libavutil/pixdesc.h"
31 #include "avfilter.h"
32 
33 #define FF_BUFQUEUE_SIZE 129
34 #include "bufferqueue.h"
35 
36 #include "formats.h"
37 #include "internal.h"
38 #include "video.h"
39 
40 #define SIZE FF_BUFQUEUE_SIZE
41 
42 typedef struct ATADenoiseContext {
43  const AVClass *class;
44 
45  float fthra[4], fthrb[4];
46  int thra[4], thrb[4];
47 
48  int planes;
49  int nb_planes;
50  int planewidth[4];
51  int planeheight[4];
52 
53  struct FFBufQueue q;
54  void *data[4][SIZE];
55  int linesize[4][SIZE];
56  int size, mid;
57  int available;
58 
59  int (*filter_slice)(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs);
61 
62 #define OFFSET(x) offsetof(ATADenoiseContext, x)
63 #define FLAGS AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
64 
65 static const AVOption atadenoise_options[] = {
66  { "0a", "set threshold A for 1st plane", OFFSET(fthra[0]), AV_OPT_TYPE_FLOAT, {.dbl=0.02}, 0, 0.3, FLAGS },
67  { "0b", "set threshold B for 1st plane", OFFSET(fthrb[0]), AV_OPT_TYPE_FLOAT, {.dbl=0.04}, 0, 5.0, FLAGS },
68  { "1a", "set threshold A for 2nd plane", OFFSET(fthra[1]), AV_OPT_TYPE_FLOAT, {.dbl=0.02}, 0, 0.3, FLAGS },
69  { "1b", "set threshold B for 2nd plane", OFFSET(fthrb[1]), AV_OPT_TYPE_FLOAT, {.dbl=0.04}, 0, 5.0, FLAGS },
70  { "2a", "set threshold A for 3rd plane", OFFSET(fthra[2]), AV_OPT_TYPE_FLOAT, {.dbl=0.02}, 0, 0.3, FLAGS },
71  { "2b", "set threshold B for 3rd plane", OFFSET(fthrb[2]), AV_OPT_TYPE_FLOAT, {.dbl=0.04}, 0, 5.0, FLAGS },
72  { "s", "set how many frames to use", OFFSET(size), AV_OPT_TYPE_INT, {.i64=9}, 5, SIZE, FLAGS },
73  { "p", "set what planes to filter", OFFSET(planes), AV_OPT_TYPE_FLAGS, {.i64=7}, 0, 15, FLAGS },
74  { NULL }
75 };
76 
77 AVFILTER_DEFINE_CLASS(atadenoise);
78 
80 {
81  static const enum AVPixelFormat pixel_fmts[] = {
103  };
105  if (!formats)
106  return AVERROR(ENOMEM);
107  return ff_set_common_formats(ctx, formats);
108 }
109 
111 {
112  ATADenoiseContext *s = ctx->priv;
113 
114  if (!(s->size & 1)) {
115  av_log(ctx, AV_LOG_ERROR, "size %d is invalid. Must be an odd value.\n", s->size);
116  return AVERROR(EINVAL);
117  }
118  s->mid = s->size / 2 + 1;
119 
120  return 0;
121 }
122 
123 typedef struct ThreadData {
124  AVFrame *in, *out;
125 } ThreadData;
126 
127 static int filter_slice8(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
128 {
129  ATADenoiseContext *s = ctx->priv;
130  ThreadData *td = arg;
131  AVFrame *in = td->in;
132  AVFrame *out = td->out;
133  const int size = s->size;
134  const int mid = s->mid;
135  int p, x, y, i, j;
136 
137  for (p = 0; p < s->nb_planes; p++) {
138  const int h = s->planeheight[p];
139  const int w = s->planewidth[p];
140  const int slice_start = (h * jobnr) / nb_jobs;
141  const int slice_end = (h * (jobnr+1)) / nb_jobs;
142  const uint8_t *src = in->data[p] + slice_start * in->linesize[p];
143  uint8_t *dst = out->data[p] + slice_start * out->linesize[p];
144  const int thra = s->thra[p];
145  const int thrb = s->thrb[p];
146  const uint8_t **data = (const uint8_t **)s->data[p];
147  const int *linesize = (const int *)s->linesize[p];
148  const uint8_t *srcf[SIZE];
149 
150  if (!((1 << p) & s->planes)) {
151  av_image_copy_plane(dst, out->linesize[p], src, in->linesize[p],
152  w, slice_end - slice_start);
153  continue;
154  }
155 
156  for (i = 0; i < size; i++)
157  srcf[i] = data[i] + slice_start * linesize[i];
158 
159  for (y = slice_start; y < slice_end; y++) {
160  for (x = 0; x < w; x++) {
161  const int srcx = src[x];
162  unsigned lsumdiff = 0, rsumdiff = 0;
163  unsigned ldiff, rdiff;
164  unsigned sum = srcx;
165  int l = 0, r = 0;
166  int srcjx, srcix;
167 
168  for (j = mid - 1, i = mid + 1; j >= 0 && i < size; j--, i++) {
169  srcjx = srcf[j][x];
170 
171  ldiff = FFABS(srcx - srcjx);
172  lsumdiff += ldiff;
173  if (ldiff > thra ||
174  lsumdiff > thrb)
175  break;
176  l++;
177  sum += srcjx;
178 
179  srcix = srcf[i][x];
180 
181  rdiff = FFABS(srcx - srcix);
182  rsumdiff += rdiff;
183  if (rdiff > thra ||
184  rsumdiff > thrb)
185  break;
186  r++;
187  sum += srcix;
188  }
189 
190  dst[x] = sum / (r + l + 1);
191  }
192 
193  dst += out->linesize[p];
194  src += in->linesize[p];
195 
196  for (i = 0; i < size; i++)
197  srcf[i] += linesize[i];
198  }
199  }
200 
201  return 0;
202 }
203 
204 static int filter_slice16(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
205 {
206  ATADenoiseContext *s = ctx->priv;
207  ThreadData *td = arg;
208  AVFrame *in = td->in;
209  AVFrame *out = td->out;
210  const int size = s->size;
211  const int mid = s->mid;
212  int p, x, y, i, j;
213 
214  for (p = 0; p < s->nb_planes; p++) {
215  const int h = s->planeheight[p];
216  const int w = s->planewidth[p];
217  const int slice_start = (h * jobnr) / nb_jobs;
218  const int slice_end = (h * (jobnr+1)) / nb_jobs;
219  const uint16_t *src = (uint16_t *)(in->data[p] + slice_start * in->linesize[p]);
220  uint16_t *dst = (uint16_t *)(out->data[p] + slice_start * out->linesize[p]);
221  const int thra = s->thra[p];
222  const int thrb = s->thrb[p];
223  const uint8_t **data = (const uint8_t **)s->data[p];
224  const int *linesize = (const int *)s->linesize[p];
225  const uint16_t *srcf[SIZE];
226 
227  if (!((1 << p) & s->planes)) {
228  av_image_copy_plane((uint8_t *)dst, out->linesize[p], (uint8_t *)src, in->linesize[p],
229  w * 2, slice_end - slice_start);
230  continue;
231  }
232 
233  for (i = 0; i < s->size; i++)
234  srcf[i] = (const uint16_t *)(data[i] + slice_start * linesize[i]);
235 
236  for (y = slice_start; y < slice_end; y++) {
237  for (x = 0; x < w; x++) {
238  const int srcx = src[x];
239  unsigned lsumdiff = 0, rsumdiff = 0;
240  unsigned ldiff, rdiff;
241  unsigned sum = srcx;
242  int l = 0, r = 0;
243  int srcjx, srcix;
244 
245  for (j = mid - 1, i = mid + 1; j >= 0 && i < size; j--, i++) {
246  srcjx = srcf[j][x];
247 
248  ldiff = FFABS(srcx - srcjx);
249  lsumdiff += ldiff;
250  if (ldiff > thra ||
251  lsumdiff > thrb)
252  break;
253  l++;
254  sum += srcjx;
255 
256  srcix = srcf[i][x];
257 
258  rdiff = FFABS(srcx - srcix);
259  rsumdiff += rdiff;
260  if (rdiff > thra ||
261  rsumdiff > thrb)
262  break;
263  r++;
264  sum += srcix;
265  }
266 
267  dst[x] = sum / (r + l + 1);
268  }
269 
270  dst += out->linesize[p] / 2;
271  src += in->linesize[p] / 2;
272 
273  for (i = 0; i < size; i++)
274  srcf[i] += linesize[i] / 2;
275  }
276  }
277 
278  return 0;
279 }
280 
281 static int config_input(AVFilterLink *inlink)
282 {
284  AVFilterContext *ctx = inlink->dst;
285  ATADenoiseContext *s = ctx->priv;
286  int depth;
287 
288  s->nb_planes = desc->nb_components;
289 
290  s->planeheight[1] = s->planeheight[2] = AV_CEIL_RSHIFT(inlink->h, desc->log2_chroma_h);
291  s->planeheight[0] = s->planeheight[3] = inlink->h;
292  s->planewidth[1] = s->planewidth[2] = AV_CEIL_RSHIFT(inlink->w, desc->log2_chroma_w);
293  s->planewidth[0] = s->planewidth[3] = inlink->w;
294 
295  depth = desc->comp[0].depth;
296  if (depth == 8)
298  else
300 
301  s->thra[0] = s->fthra[0] * (1 << depth) - 1;
302  s->thra[1] = s->fthra[1] * (1 << depth) - 1;
303  s->thra[2] = s->fthra[2] * (1 << depth) - 1;
304  s->thrb[0] = s->fthrb[0] * (1 << depth) - 1;
305  s->thrb[1] = s->fthrb[1] * (1 << depth) - 1;
306  s->thrb[2] = s->fthrb[2] * (1 << depth) - 1;
307 
308  return 0;
309 }
310 
311 static int filter_frame(AVFilterLink *inlink, AVFrame *buf)
312 {
313  AVFilterContext *ctx = inlink->dst;
314  AVFilterLink *outlink = ctx->outputs[0];
315  ATADenoiseContext *s = ctx->priv;
316  AVFrame *out, *in;
317  int i;
318 
319  if (s->q.available != s->size) {
320  if (s->q.available < s->mid) {
321  for (i = 0; i < s->mid; i++) {
322  out = av_frame_clone(buf);
323  if (!out) {
324  av_frame_free(&buf);
325  return AVERROR(ENOMEM);
326  }
327  ff_bufqueue_add(ctx, &s->q, out);
328  }
329  }
330  if (s->q.available < s->size) {
331  ff_bufqueue_add(ctx, &s->q, buf);
332  s->available++;
333  }
334  return 0;
335  }
336 
337  in = ff_bufqueue_peek(&s->q, s->mid);
338 
339  if (!ctx->is_disabled) {
340  ThreadData td;
341 
342  out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
343  if (!out) {
344  av_frame_free(&buf);
345  return AVERROR(ENOMEM);
346  }
347 
348  for (i = 0; i < s->size; i++) {
349  AVFrame *frame = ff_bufqueue_peek(&s->q, i);
350 
351  s->data[0][i] = frame->data[0];
352  s->data[1][i] = frame->data[1];
353  s->data[2][i] = frame->data[2];
354  s->linesize[0][i] = frame->linesize[0];
355  s->linesize[1][i] = frame->linesize[1];
356  s->linesize[2][i] = frame->linesize[2];
357  }
358 
359  td.in = in; td.out = out;
360  ctx->internal->execute(ctx, s->filter_slice, &td, NULL,
361  FFMIN3(s->planeheight[1],
362  s->planeheight[2],
364  av_frame_copy_props(out, in);
365  } else {
366  out = av_frame_clone(in);
367  if (!out) {
368  av_frame_free(&buf);
369  return AVERROR(ENOMEM);
370  }
371  }
372 
373  in = ff_bufqueue_get(&s->q);
374  av_frame_free(&in);
375  ff_bufqueue_add(ctx, &s->q, buf);
376 
377  return ff_filter_frame(outlink, out);
378 }
379 
380 static int request_frame(AVFilterLink *outlink)
381 {
382  AVFilterContext *ctx = outlink->src;
383  ATADenoiseContext *s = ctx->priv;
384  int ret = 0;
385 
386  ret = ff_request_frame(ctx->inputs[0]);
387 
388  if (ret == AVERROR_EOF && !ctx->is_disabled && s->available) {
390  if (!buf)
391  return AVERROR(ENOMEM);
392 
393  ret = filter_frame(ctx->inputs[0], buf);
394  s->available--;
395  }
396 
397  return ret;
398 }
399 
401 {
402  ATADenoiseContext *s = ctx->priv;
403 
405 }
406 
407 static const AVFilterPad inputs[] = {
408  {
409  .name = "default",
410  .type = AVMEDIA_TYPE_VIDEO,
411  .filter_frame = filter_frame,
412  .config_props = config_input,
413  },
414  { NULL }
415 };
416 
417 static const AVFilterPad outputs[] = {
418  {
419  .name = "default",
420  .type = AVMEDIA_TYPE_VIDEO,
421  .request_frame = request_frame,
422  },
423  { NULL }
424 };
425 
427  .name = "atadenoise",
428  .description = NULL_IF_CONFIG_SMALL("Apply an Adaptive Temporal Averaging Denoiser."),
429  .priv_size = sizeof(ATADenoiseContext),
430  .priv_class = &atadenoise_class,
431  .init = init,
432  .uninit = uninit,
434  .inputs = inputs,
435  .outputs = outputs,
437 };
static AVFrame * ff_bufqueue_get(struct FFBufQueue *queue)
Get the first buffer from the queue and remove it.
Definition: bufferqueue.h:98
#define NULL
Definition: coverity.c:32
static int query_formats(AVFilterContext *ctx)
Definition: vf_atadenoise.c:79
const char * s
Definition: avisynth_c.h:768
AVFrame * out
Definition: af_aiir.c:31
#define AV_PIX_FMT_YUV440P10
Definition: pixfmt.h:370
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
Definition: pixdesc.c:2363
This structure describes decoded (raw) audio or video data.
Definition: frame.h:218
AVOption.
Definition: opt.h:246
#define AV_PIX_FMT_YUV444P14
Definition: pixfmt.h:378
planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples)
Definition: pixfmt.h:67
misc image utilities
Main libavfilter public API header.
const char * desc
Definition: nvenc.c:65
planar GBR 4:4:4 24bpp
Definition: pixfmt.h:164
#define AV_PIX_FMT_GBRP10
Definition: pixfmt.h:384
#define AV_PIX_FMT_GRAY9
Definition: pixfmt.h:349
#define AV_PIX_FMT_YUV420P12
Definition: pixfmt.h:372
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
#define src
Definition: vp8dsp.c:254
int is_disabled
the enabled state from the last expression evaluation
Definition: avfilter.h:385
uint8_t log2_chroma_w
Amount to shift the luma width right to find the chroma width.
Definition: pixdesc.h:92
AVFilterFormats * ff_make_format_list(const int *fmts)
Create a list of supported formats.
Definition: formats.c:283
Structure holding the queue.
Definition: bufferqueue.h:49
#define AV_PIX_FMT_GRAY10
Definition: pixfmt.h:350
const char * name
Pad name.
Definition: internal.h:60
#define AV_PIX_FMT_GRAY12
Definition: pixfmt.h:351
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
AVFrame * in
Definition: af_aiir.c:31
AVComponentDescriptor comp[4]
Parameters that describe how pixels are packed.
Definition: pixdesc.h:117
uint8_t
#define av_cold
Definition: attributes.h:82
AVOptions.
static int filter_frame(AVFilterLink *inlink, AVFrame *buf)
static int filter_slice16(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
#define AV_PIX_FMT_GBRP9
Definition: pixfmt.h:383
static AVFrame * frame
planar YUV 4:4:0 full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV440P and setting color_range...
Definition: pixfmt.h:96
static const AVFilterPad inputs[]
static int flags
Definition: log.c:55
#define FFMIN3(a, b, c)
Definition: common.h:97
planar YUV 4:2:2, 16bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV422P and setting col...
Definition: pixfmt.h:75
#define AVERROR_EOF
End of file.
Definition: error.h:55
#define AV_PIX_FMT_YUV444P16
Definition: pixfmt.h:381
struct FFBufQueue q
Definition: vf_atadenoise.c:53
void * data[4][SIZE]
Definition: vf_atadenoise.c:54
#define AV_PIX_FMT_YUV422P12
Definition: pixfmt.h:373
#define av_log(a,...)
static const AVOption atadenoise_options[]
Definition: vf_atadenoise.c:65
A filter pad used for either input or output.
Definition: internal.h:54
static av_cold int init(AVFilterContext *ctx)
#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:568
#define td
Definition: regdef.h:70
#define SIZE
Definition: vf_atadenoise.c:40
uint8_t log2_chroma_h
Amount to shift the luma height right to find the chroma height.
Definition: pixdesc.h:101
#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
const char * r
Definition: vf_curves.c:111
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
AVFILTER_DEFINE_CLASS(atadenoise)
#define AV_PIX_FMT_YUV444P10
Definition: pixfmt.h:371
static int filter_slice8(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
Definition: pixfmt.h:66
#define AV_PIX_FMT_YUV422P9
Definition: pixfmt.h:366
int(* filter_slice)(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
Definition: vf_atadenoise.c:59
uint8_t nb_components
The number of components each pixel has, (1-4)
Definition: pixdesc.h:83
#define AV_PIX_FMT_GBRP16
Definition: pixfmt.h:387
int ff_filter_get_nb_threads(AVFilterContext *ctx)
Get number of threads for current filter instance.
Definition: avfilter.c:802
#define AV_PIX_FMT_GRAY16
Definition: pixfmt.h:352
planar YUV 4:2:0, 12bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV420P and setting col...
Definition: pixfmt.h:74
uint8_t w
Definition: llviddspenc.c:38
AVFormatContext * ctx
Definition: movenc.c:48
#define FFABS(a)
Absolute value, Note, INT_MIN / INT64_MIN result in undefined behavior as they are not representable ...
Definition: common.h:72
static void ff_bufqueue_discard_all(struct FFBufQueue *queue)
Unref and remove all buffers from the queue.
Definition: bufferqueue.h:111
#define AV_PIX_FMT_YUV444P9
Definition: pixfmt.h:367
#define AV_PIX_FMT_GBRP14
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:538
#define AV_PIX_FMT_YUV420P16
Definition: pixfmt.h:379
static av_cold void uninit(AVFilterContext *ctx)
#define AV_PIX_FMT_YUV420P14
Definition: pixfmt.h:376
#define OFFSET(x)
Definition: vf_atadenoise.c:62
unsigned short available
number of available buffers
Definition: bufferqueue.h:52
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
Definition: frame.h:249
#define FLAGS
Definition: vf_atadenoise.c:63
Descriptor that unambiguously describes how the bits of a pixel are stored in the up to 4 data planes...
Definition: pixdesc.h:81
void * buf
Definition: avisynth_c.h:690
uint8_t pi<< 24) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_U8, uint8_t,(*(const uint8_t *) pi - 0x80) *(1.0f/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_U8, uint8_t,(*(const uint8_t *) pi - 0x80) *(1.0/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S16, int16_t,(*(const int16_t *) pi >> 8)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S16, int16_t, *(const int16_t *) pi *(1.0f/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S16, int16_t, *(const int16_t *) pi *(1.0/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S32, int32_t,(*(const int32_t *) pi >> 24)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S32, int32_t, *(const int32_t *) pi *(1.0f/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S32, int32_t, *(const int32_t *) pi *(1.0/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_FLT, float, av_clip_uint8(lrintf(*(const float *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_FLT, float, av_clip_int16(lrintf(*(const float *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_FLT, float, av_clipl_int32(llrintf(*(const float *) pi *(1U<< 31)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_DBL, double, av_clip_uint8(lrint(*(const double *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_DBL, double, av_clip_int16(lrint(*(const double *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_DBL, double, av_clipl_int32(llrint(*(const double *) pi *(1U<< 31)))) #define SET_CONV_FUNC_GROUP(ofmt, ifmt) static void set_generic_function(AudioConvert *ac) { } void ff_audio_convert_free(AudioConvert **ac) { if(! *ac) return;ff_dither_free(&(*ac) ->dc);av_freep(ac);} AudioConvert *ff_audio_convert_alloc(AVAudioResampleContext *avr, enum AVSampleFormat out_fmt, enum AVSampleFormat in_fmt, int channels, int sample_rate, int apply_map) { AudioConvert *ac;int in_planar, out_planar;ac=av_mallocz(sizeof(*ac));if(!ac) return NULL;ac->avr=avr;ac->out_fmt=out_fmt;ac->in_fmt=in_fmt;ac->channels=channels;ac->apply_map=apply_map;if(avr->dither_method !=AV_RESAMPLE_DITHER_NONE &&av_get_packed_sample_fmt(out_fmt)==AV_SAMPLE_FMT_S16 &&av_get_bytes_per_sample(in_fmt) > 2) { ac->dc=ff_dither_alloc(avr, out_fmt, in_fmt, channels, sample_rate, apply_map);if(!ac->dc) { av_free(ac);return NULL;} return ac;} in_planar=ff_sample_fmt_is_planar(in_fmt, channels);out_planar=ff_sample_fmt_is_planar(out_fmt, channels);if(in_planar==out_planar) { ac->func_type=CONV_FUNC_TYPE_FLAT;ac->planes=in_planar ? ac->channels :1;} else if(in_planar) ac->func_type=CONV_FUNC_TYPE_INTERLEAVE;else ac->func_type=CONV_FUNC_TYPE_DEINTERLEAVE;set_generic_function(ac);if(ARCH_AARCH64) ff_audio_convert_init_aarch64(ac);if(ARCH_ARM) ff_audio_convert_init_arm(ac);if(ARCH_X86) ff_audio_convert_init_x86(ac);return ac;} int ff_audio_convert(AudioConvert *ac, AudioData *out, AudioData *in) { int use_generic=1;int len=in->nb_samples;int p;if(ac->dc) { av_log(ac->avr, AV_LOG_TRACE, "%d samples - audio_convert: %s to %s (dithered)\", len, av_get_sample_fmt_name(ac->in_fmt), av_get_sample_fmt_name(ac->out_fmt));return ff_convert_dither(ac-> in
#define AV_PIX_FMT_YUV420P10
Definition: pixfmt.h:368
planar YUV 4:1:0, 9bpp, (1 Cr & Cb sample per 4x4 Y samples)
Definition: pixfmt.h:68
Describe the class of an AVClass context structure.
Definition: log.h:67
Filter definition.
Definition: avfilter.h:144
const char * name
Filter name.
Definition: avfilter.h:148
#define AV_PIX_FMT_YUV440P12
Definition: pixfmt.h:374
#define AV_PIX_FMT_YUV420P9
Definition: pixfmt.h:365
#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
#define AV_PIX_FMT_YUV422P14
Definition: pixfmt.h:377
#define AV_PIX_FMT_GBRP12
Definition: pixfmt.h:385
AVFilterInternal * internal
An opaque struct for libavfilter internal use.
Definition: avfilter.h:378
#define AV_PIX_FMT_YUV422P10
Definition: pixfmt.h:369
#define AV_PIX_FMT_YUV444P12
Definition: pixfmt.h:375
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition: frame.h:232
int
int linesize[4][SIZE]
Definition: vf_atadenoise.c:55
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
Definition: pixfmt.h:62
Y , 8bpp.
Definition: pixfmt.h:70
planar YUV 4:4:4, 24bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV444P and setting col...
Definition: pixfmt.h:76
planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples)
Definition: pixfmt.h:69
avfilter_execute_func * execute
Definition: internal.h:155
static int slice_end(AVCodecContext *avctx, AVFrame *pict)
Handle slice ends.
Definition: mpeg12dec.c:2029
AVFilter ff_vf_atadenoise
A list of supported formats for one end of a filter link.
Definition: formats.h:64
planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples) full scale (JPEG), deprecated in favor ...
Definition: pixfmt.h:254
An instance of a filter.
Definition: avfilter.h:338
FILE * out
Definition: movenc.c:54
planar YUV 4:4:0 (1 Cr & Cb sample per 1x2 Y samples)
Definition: pixfmt.h:95
static int request_frame(AVFilterLink *outlink)
static void ff_bufqueue_add(void *log, struct FFBufQueue *queue, AVFrame *buf)
Add a buffer to the queue.
Definition: bufferqueue.h:71
static int config_input(AVFilterLink *inlink)
int ff_request_frame(AVFilterLink *link)
Request an input frame from the filter at the other end of the link.
Definition: avfilter.c:407
formats
Definition: signature.h:48
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
internal API functions
int depth
Number of bits in the component.
Definition: pixdesc.h:58
AVPixelFormat
Pixel format.
Definition: pixfmt.h:60
#define AV_PIX_FMT_YUV422P16
Definition: pixfmt.h:380
int av_frame_copy_props(AVFrame *dst, const AVFrame *src)
Copy only "metadata" fields from src to dst.
Definition: frame.c:652
#define AV_CEIL_RSHIFT(a, b)
Definition: common.h:58
static const AVFilterPad outputs[]
static AVFrame * ff_bufqueue_peek(struct FFBufQueue *queue, unsigned index)
Get a buffer from the queue without altering it.
Definition: bufferqueue.h:87