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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[] = {
104  };
106  if (!formats)
107  return AVERROR(ENOMEM);
108  return ff_set_common_formats(ctx, formats);
109 }
110 
112 {
113  ATADenoiseContext *s = ctx->priv;
114 
115  if (!(s->size & 1)) {
116  av_log(ctx, AV_LOG_WARNING, "size %d is invalid. Must be an odd value, setting it to %d.\n", s->size, s->size|1);
117  s->size |= 1;
118  }
119  s->mid = s->size / 2 + 1;
120 
121  return 0;
122 }
123 
124 typedef struct ThreadData {
125  AVFrame *in, *out;
126 } ThreadData;
127 
128 static int filter_slice8(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
129 {
130  ATADenoiseContext *s = ctx->priv;
131  ThreadData *td = arg;
132  AVFrame *in = td->in;
133  AVFrame *out = td->out;
134  const int size = s->size;
135  const int mid = s->mid;
136  int p, x, y, i, j;
137 
138  for (p = 0; p < s->nb_planes; p++) {
139  const int h = s->planeheight[p];
140  const int w = s->planewidth[p];
141  const int slice_start = (h * jobnr) / nb_jobs;
142  const int slice_end = (h * (jobnr+1)) / nb_jobs;
143  const uint8_t *src = in->data[p] + slice_start * in->linesize[p];
144  uint8_t *dst = out->data[p] + slice_start * out->linesize[p];
145  const int thra = s->thra[p];
146  const int thrb = s->thrb[p];
147  const uint8_t **data = (const uint8_t **)s->data[p];
148  const int *linesize = (const int *)s->linesize[p];
149  const uint8_t *srcf[SIZE];
150 
151  if (!((1 << p) & s->planes)) {
152  av_image_copy_plane(dst, out->linesize[p], src, in->linesize[p],
153  w, slice_end - slice_start);
154  continue;
155  }
156 
157  for (i = 0; i < size; i++)
158  srcf[i] = data[i] + slice_start * linesize[i];
159 
160  for (y = slice_start; y < slice_end; y++) {
161  for (x = 0; x < w; x++) {
162  const int srcx = src[x];
163  unsigned lsumdiff = 0, rsumdiff = 0;
164  unsigned ldiff, rdiff;
165  unsigned sum = srcx;
166  int l = 0, r = 0;
167  int srcjx, srcix;
168 
169  for (j = mid - 1, i = mid + 1; j >= 0 && i < size; j--, i++) {
170  srcjx = srcf[j][x];
171 
172  ldiff = FFABS(srcx - srcjx);
173  lsumdiff += ldiff;
174  if (ldiff > thra ||
175  lsumdiff > thrb)
176  break;
177  l++;
178  sum += srcjx;
179 
180  srcix = srcf[i][x];
181 
182  rdiff = FFABS(srcx - srcix);
183  rsumdiff += rdiff;
184  if (rdiff > thra ||
185  rsumdiff > thrb)
186  break;
187  r++;
188  sum += srcix;
189  }
190 
191  dst[x] = sum / (r + l + 1);
192  }
193 
194  dst += out->linesize[p];
195  src += in->linesize[p];
196 
197  for (i = 0; i < size; i++)
198  srcf[i] += linesize[i];
199  }
200  }
201 
202  return 0;
203 }
204 
205 static int filter_slice16(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
206 {
207  ATADenoiseContext *s = ctx->priv;
208  ThreadData *td = arg;
209  AVFrame *in = td->in;
210  AVFrame *out = td->out;
211  const int size = s->size;
212  const int mid = s->mid;
213  int p, x, y, i, j;
214 
215  for (p = 0; p < s->nb_planes; p++) {
216  const int h = s->planeheight[p];
217  const int w = s->planewidth[p];
218  const int slice_start = (h * jobnr) / nb_jobs;
219  const int slice_end = (h * (jobnr+1)) / nb_jobs;
220  const uint16_t *src = (uint16_t *)(in->data[p] + slice_start * in->linesize[p]);
221  uint16_t *dst = (uint16_t *)(out->data[p] + slice_start * out->linesize[p]);
222  const int thra = s->thra[p];
223  const int thrb = s->thrb[p];
224  const uint8_t **data = (const uint8_t **)s->data[p];
225  const int *linesize = (const int *)s->linesize[p];
226  const uint16_t *srcf[SIZE];
227 
228  if (!((1 << p) & s->planes)) {
229  av_image_copy_plane((uint8_t *)dst, out->linesize[p], (uint8_t *)src, in->linesize[p],
230  w * 2, slice_end - slice_start);
231  continue;
232  }
233 
234  for (i = 0; i < s->size; i++)
235  srcf[i] = (const uint16_t *)(data[i] + slice_start * linesize[i]);
236 
237  for (y = slice_start; y < slice_end; y++) {
238  for (x = 0; x < w; x++) {
239  const int srcx = src[x];
240  unsigned lsumdiff = 0, rsumdiff = 0;
241  unsigned ldiff, rdiff;
242  unsigned sum = srcx;
243  int l = 0, r = 0;
244  int srcjx, srcix;
245 
246  for (j = mid - 1, i = mid + 1; j >= 0 && i < size; j--, i++) {
247  srcjx = srcf[j][x];
248 
249  ldiff = FFABS(srcx - srcjx);
250  lsumdiff += ldiff;
251  if (ldiff > thra ||
252  lsumdiff > thrb)
253  break;
254  l++;
255  sum += srcjx;
256 
257  srcix = srcf[i][x];
258 
259  rdiff = FFABS(srcx - srcix);
260  rsumdiff += rdiff;
261  if (rdiff > thra ||
262  rsumdiff > thrb)
263  break;
264  r++;
265  sum += srcix;
266  }
267 
268  dst[x] = sum / (r + l + 1);
269  }
270 
271  dst += out->linesize[p] / 2;
272  src += in->linesize[p] / 2;
273 
274  for (i = 0; i < size; i++)
275  srcf[i] += linesize[i] / 2;
276  }
277  }
278 
279  return 0;
280 }
281 
282 static int config_input(AVFilterLink *inlink)
283 {
285  AVFilterContext *ctx = inlink->dst;
286  ATADenoiseContext *s = ctx->priv;
287  int depth;
288 
289  s->nb_planes = desc->nb_components;
290 
291  s->planeheight[1] = s->planeheight[2] = AV_CEIL_RSHIFT(inlink->h, desc->log2_chroma_h);
292  s->planeheight[0] = s->planeheight[3] = inlink->h;
293  s->planewidth[1] = s->planewidth[2] = AV_CEIL_RSHIFT(inlink->w, desc->log2_chroma_w);
294  s->planewidth[0] = s->planewidth[3] = inlink->w;
295 
296  depth = desc->comp[0].depth;
297  if (depth == 8)
299  else
301 
302  s->thra[0] = s->fthra[0] * (1 << depth) - 1;
303  s->thra[1] = s->fthra[1] * (1 << depth) - 1;
304  s->thra[2] = s->fthra[2] * (1 << depth) - 1;
305  s->thrb[0] = s->fthrb[0] * (1 << depth) - 1;
306  s->thrb[1] = s->fthrb[1] * (1 << depth) - 1;
307  s->thrb[2] = s->fthrb[2] * (1 << depth) - 1;
308 
309  return 0;
310 }
311 
312 static int filter_frame(AVFilterLink *inlink, AVFrame *buf)
313 {
314  AVFilterContext *ctx = inlink->dst;
315  AVFilterLink *outlink = ctx->outputs[0];
316  ATADenoiseContext *s = ctx->priv;
317  AVFrame *out, *in;
318  int i;
319 
320  if (s->q.available != s->size) {
321  if (s->q.available < s->mid) {
322  for (i = 0; i < s->mid; i++) {
323  out = av_frame_clone(buf);
324  if (!out) {
325  av_frame_free(&buf);
326  return AVERROR(ENOMEM);
327  }
328  ff_bufqueue_add(ctx, &s->q, out);
329  }
330  }
331  if (s->q.available < s->size) {
332  ff_bufqueue_add(ctx, &s->q, buf);
333  s->available++;
334  }
335  return 0;
336  }
337 
338  in = ff_bufqueue_peek(&s->q, s->mid);
339 
340  if (!ctx->is_disabled) {
341  ThreadData td;
342 
343  out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
344  if (!out) {
345  av_frame_free(&buf);
346  return AVERROR(ENOMEM);
347  }
348 
349  for (i = 0; i < s->size; i++) {
350  AVFrame *frame = ff_bufqueue_peek(&s->q, i);
351 
352  s->data[0][i] = frame->data[0];
353  s->data[1][i] = frame->data[1];
354  s->data[2][i] = frame->data[2];
355  s->linesize[0][i] = frame->linesize[0];
356  s->linesize[1][i] = frame->linesize[1];
357  s->linesize[2][i] = frame->linesize[2];
358  }
359 
360  td.in = in; td.out = out;
361  ctx->internal->execute(ctx, s->filter_slice, &td, NULL,
362  FFMIN3(s->planeheight[1],
363  s->planeheight[2],
365  av_frame_copy_props(out, in);
366  } else {
367  out = av_frame_clone(in);
368  if (!out) {
369  av_frame_free(&buf);
370  return AVERROR(ENOMEM);
371  }
372  }
373 
374  in = ff_bufqueue_get(&s->q);
375  av_frame_free(&in);
376  ff_bufqueue_add(ctx, &s->q, buf);
377 
378  return ff_filter_frame(outlink, out);
379 }
380 
381 static int request_frame(AVFilterLink *outlink)
382 {
383  AVFilterContext *ctx = outlink->src;
384  ATADenoiseContext *s = ctx->priv;
385  int ret = 0;
386 
387  ret = ff_request_frame(ctx->inputs[0]);
388 
389  if (ret == AVERROR_EOF && !ctx->is_disabled && s->available) {
391  if (!buf)
392  return AVERROR(ENOMEM);
393 
394  ret = filter_frame(ctx->inputs[0], buf);
395  s->available--;
396  }
397 
398  return ret;
399 }
400 
402 {
403  ATADenoiseContext *s = ctx->priv;
404 
406 }
407 
408 static const AVFilterPad inputs[] = {
409  {
410  .name = "default",
411  .type = AVMEDIA_TYPE_VIDEO,
412  .filter_frame = filter_frame,
413  .config_props = config_input,
414  },
415  { NULL }
416 };
417 
418 static const AVFilterPad outputs[] = {
419  {
420  .name = "default",
421  .type = AVMEDIA_TYPE_VIDEO,
422  .request_frame = request_frame,
423  },
424  { NULL }
425 };
426 
428  .name = "atadenoise",
429  .description = NULL_IF_CONFIG_SMALL("Apply an Adaptive Temporal Averaging Denoiser."),
430  .priv_size = sizeof(ATADenoiseContext),
431  .priv_class = &atadenoise_class,
432  .init = init,
433  .uninit = uninit,
435  .inputs = inputs,
436  .outputs = outputs,
438 };
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
AVFrame * out
Definition: af_adeclick.c:485
#define AV_PIX_FMT_YUV440P10
Definition: pixfmt.h:381
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
Definition: pixdesc.c:2446
This structure describes decoded (raw) audio or video data.
Definition: frame.h:226
AVOption.
Definition: opt.h:246
ptrdiff_t const GLvoid * data
Definition: opengl_enc.c:101
#define AV_PIX_FMT_YUV444P14
Definition: pixfmt.h:389
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.
const char * desc
Definition: nvenc.c:65
planar GBR 4:4:4 24bpp
Definition: pixfmt.h:168
#define AV_PIX_FMT_GBRP10
Definition: pixfmt.h:395
#define AV_PIX_FMT_GRAY9
Definition: pixfmt.h:359
#define AV_PIX_FMT_YUV420P12
Definition: pixfmt.h:383
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(* filter_slice)(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
Definition: vf_atadenoise.c:59
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:360
const char * name
Pad name.
Definition: internal.h:60
#define AV_PIX_FMT_GRAY12
Definition: pixfmt.h:361
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_afftdn.c:1082
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:394
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:100
static const AVFilterPad inputs[]
#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:79
#define AVERROR_EOF
End of file.
Definition: error.h:55
#define AV_PIX_FMT_YUV444P16
Definition: pixfmt.h:392
struct FFBufQueue q
Definition: vf_atadenoise.c:53
ptrdiff_t size
Definition: opengl_enc.c:101
void * data[4][SIZE]
Definition: vf_atadenoise.c:54
#define AV_PIX_FMT_YUV422P12
Definition: pixfmt.h:384
#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)
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:114
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:382
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:70
#define AV_PIX_FMT_YUV422P9
Definition: pixfmt.h:377
static const struct @304 planes[]
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:398
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:363
planar YUV 4:2:0, 12bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV420P and setting col...
Definition: pixfmt.h:78
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
#define s(width, name)
Definition: cbs_vp9.c:257
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:378
#define AV_PIX_FMT_GBRP14
Definition: pixfmt.h:397
AVFrame * av_frame_clone(const AVFrame *src)
Create a new frame that references the same data as src.
Definition: frame.c:540
#define AV_PIX_FMT_YUV420P16
Definition: pixfmt.h:390
static av_cold void uninit(AVFilterContext *ctx)
#define AV_PIX_FMT_YUV420P14
Definition: pixfmt.h:387
#define OFFSET(x)
Definition: vf_atadenoise.c:62
unsigned short available
number of available buffers
Definition: bufferqueue.h:52
Used for passing data between threads.
Definition: af_adeclick.c:484
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
Definition: frame.h:257
#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
#define AV_PIX_FMT_GRAY14
Definition: pixfmt.h:362
uint8_t pi<< 24) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_U8, uint8_t,(*(constuint8_t *) pi-0x80)*(1.0f/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_U8, uint8_t,(*(constuint8_t *) pi-0x80)*(1.0/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S16, int16_t,(*(constint16_t *) pi >>8)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S16, int16_t,*(constint16_t *) pi *(1.0f/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S16, int16_t,*(constint16_t *) pi *(1.0/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S32, int32_t,(*(constint32_t *) pi >>24)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S32, int32_t,*(constint32_t *) pi *(1.0f/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S32, int32_t,*(constint32_t *) pi *(1.0/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_FLT, float, av_clip_uint8(lrintf(*(constfloat *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_FLT, float, av_clip_int16(lrintf(*(constfloat *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_FLT, float, av_clipl_int32(llrintf(*(constfloat *) pi *(1U<< 31)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_DBL, double, av_clip_uint8(lrint(*(constdouble *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_DBL, double, av_clip_int16(lrint(*(constdouble *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_DBL, double, av_clipl_int32(llrint(*(constdouble *) pi *(1U<< 31))))#defineSET_CONV_FUNC_GROUP(ofmt, ifmt) staticvoidset_generic_function(AudioConvert *ac){}voidff_audio_convert_free(AudioConvert **ac){if(!*ac) return;ff_dither_free(&(*ac) ->dc);av_freep(ac);}AudioConvert *ff_audio_convert_alloc(AVAudioResampleContext *avr, enumAVSampleFormatout_fmt, enumAVSampleFormatin_fmt, intchannels, intsample_rate, intapply_map){AudioConvert *ac;intin_planar, out_planar;ac=av_mallocz(sizeof(*ac));if(!ac) returnNULL;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);returnNULL;}returnac;}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;}elseif(in_planar) ac->func_type=CONV_FUNC_TYPE_INTERLEAVE;elseac->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);returnac;}intff_audio_convert(AudioConvert *ac, AudioData *out, AudioData *in){intuse_generic=1;intlen=in->nb_samples;intp;if(ac->dc){av_log(ac->avr, AV_LOG_TRACE,"%dsamples-audio_convert:%sto%s(dithered)\n", len, av_get_sample_fmt_name(ac->in_fmt), av_get_sample_fmt_name(ac->out_fmt));returnff_convert_dither(ac-> in
void * buf
Definition: avisynth_c.h:690
#define AV_PIX_FMT_YUV420P10
Definition: pixfmt.h:379
planar YUV 4:1:0, 9bpp, (1 Cr & Cb sample per 4x4 Y samples)
Definition: pixfmt.h:72
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:385
#define AV_PIX_FMT_YUV420P9
Definition: pixfmt.h:376
#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:388
#define AV_PIX_FMT_GBRP12
Definition: pixfmt.h:396
#define flags(name, subs,...)
Definition: cbs_av1.c:596
AVFilterInternal * internal
An opaque struct for libavfilter internal use.
Definition: avfilter.h:378
#define AV_PIX_FMT_YUV422P10
Definition: pixfmt.h:380
#define AV_PIX_FMT_YUV444P12
Definition: pixfmt.h:386
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition: frame.h:240
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:66
Y , 8bpp.
Definition: pixfmt.h:74
planar YUV 4:4:4, 24bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV444P and setting col...
Definition: pixfmt.h:80
planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples)
Definition: pixfmt.h:73
avfilter_execute_func * execute
Definition: internal.h: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:258
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:99
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:64
#define AV_PIX_FMT_YUV422P16
Definition: pixfmt.h:391
int av_frame_copy_props(AVFrame *dst, const AVFrame *src)
Copy only "metadata" fields from src to dst.
Definition: frame.c:654
#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