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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[] = {
100  };
102  if (!formats)
103  return AVERROR(ENOMEM);
104  return ff_set_common_formats(ctx, formats);
105 }
106 
108 {
109  ATADenoiseContext *s = ctx->priv;
110 
111  if (!(s->size & 1)) {
112  av_log(ctx, AV_LOG_ERROR, "size %d is invalid. Must be an odd value.\n", s->size);
113  return AVERROR(EINVAL);
114  }
115  s->mid = s->size / 2 + 1;
116 
117  return 0;
118 }
119 
120 typedef struct ThreadData {
121  AVFrame *in, *out;
122 } ThreadData;
123 
124 static int filter_slice8(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
125 {
126  ATADenoiseContext *s = ctx->priv;
127  ThreadData *td = arg;
128  AVFrame *in = td->in;
129  AVFrame *out = td->out;
130  const int size = s->size;
131  const int mid = s->mid;
132  int p, x, y, i, j;
133 
134  for (p = 0; p < s->nb_planes; p++) {
135  const int h = s->planeheight[p];
136  const int w = s->planewidth[p];
137  const int slice_start = (h * jobnr) / nb_jobs;
138  const int slice_end = (h * (jobnr+1)) / nb_jobs;
139  const uint8_t *src = in->data[p] + slice_start * in->linesize[p];
140  uint8_t *dst = out->data[p] + slice_start * out->linesize[p];
141  const int thra = s->thra[p];
142  const int thrb = s->thrb[p];
143  const uint8_t **data = (const uint8_t **)s->data[p];
144  const int *linesize = (const int *)s->linesize[p];
145  const uint8_t *srcf[SIZE];
146 
147  if (!((1 << p) & s->planes)) {
148  av_image_copy_plane(dst, out->linesize[p], src, in->linesize[p],
149  w, slice_end - slice_start);
150  continue;
151  }
152 
153  for (i = 0; i < size; i++)
154  srcf[i] = data[i] + slice_start * linesize[i];
155 
156  for (y = slice_start; y < slice_end; y++) {
157  for (x = 0; x < w; x++) {
158  const int srcx = src[x];
159  unsigned lsumdiff = 0, rsumdiff = 0;
160  unsigned ldiff, rdiff;
161  unsigned sum = srcx;
162  int l = 0, r = 0;
163  int srcjx, srcix;
164 
165  for (j = mid - 1, i = mid + 1; j >= 0 && i < size; j--, i++) {
166  srcjx = srcf[j][x];
167 
168  ldiff = FFABS(srcx - srcjx);
169  lsumdiff += ldiff;
170  if (ldiff > thra ||
171  lsumdiff > thrb)
172  break;
173  l++;
174  sum += srcjx;
175 
176  srcix = srcf[i][x];
177 
178  rdiff = FFABS(srcx - srcix);
179  rsumdiff += rdiff;
180  if (rdiff > thra ||
181  rsumdiff > thrb)
182  break;
183  r++;
184  sum += srcix;
185  }
186 
187  dst[x] = sum / (r + l + 1);
188  }
189 
190  dst += out->linesize[p];
191  src += in->linesize[p];
192 
193  for (i = 0; i < size; i++)
194  srcf[i] += linesize[i];
195  }
196  }
197 
198  return 0;
199 }
200 
201 static int filter_slice16(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
202 {
203  ATADenoiseContext *s = ctx->priv;
204  ThreadData *td = arg;
205  AVFrame *in = td->in;
206  AVFrame *out = td->out;
207  const int size = s->size;
208  const int mid = s->mid;
209  int p, x, y, i, j;
210 
211  for (p = 0; p < s->nb_planes; p++) {
212  const int h = s->planeheight[p];
213  const int w = s->planewidth[p];
214  const int slice_start = (h * jobnr) / nb_jobs;
215  const int slice_end = (h * (jobnr+1)) / nb_jobs;
216  const uint16_t *src = (uint16_t *)(in->data[p] + slice_start * in->linesize[p]);
217  uint16_t *dst = (uint16_t *)(out->data[p] + slice_start * out->linesize[p]);
218  const int thra = s->thra[p];
219  const int thrb = s->thrb[p];
220  const uint8_t **data = (const uint8_t **)s->data[p];
221  const int *linesize = (const int *)s->linesize[p];
222  const uint16_t *srcf[SIZE];
223 
224  if (!((1 << p) & s->planes)) {
225  av_image_copy_plane((uint8_t *)dst, out->linesize[p], (uint8_t *)src, in->linesize[p],
226  w * 2, slice_end - slice_start);
227  continue;
228  }
229 
230  for (i = 0; i < s->size; i++)
231  srcf[i] = (const uint16_t *)(data[i] + slice_start * linesize[i]);
232 
233  for (y = slice_start; y < slice_end; y++) {
234  for (x = 0; x < w; x++) {
235  const int srcx = src[x];
236  unsigned lsumdiff = 0, rsumdiff = 0;
237  unsigned ldiff, rdiff;
238  unsigned sum = srcx;
239  int l = 0, r = 0;
240  int srcjx, srcix;
241 
242  for (j = mid - 1, i = mid + 1; j >= 0 && i < size; j--, i++) {
243  srcjx = srcf[j][x];
244 
245  ldiff = FFABS(srcx - srcjx);
246  lsumdiff += ldiff;
247  if (ldiff > thra ||
248  lsumdiff > thrb)
249  break;
250  l++;
251  sum += srcjx;
252 
253  srcix = srcf[i][x];
254 
255  rdiff = FFABS(srcx - srcix);
256  rsumdiff += rdiff;
257  if (rdiff > thra ||
258  rsumdiff > thrb)
259  break;
260  r++;
261  sum += srcix;
262  }
263 
264  dst[x] = sum / (r + l + 1);
265  }
266 
267  dst += out->linesize[p] / 2;
268  src += in->linesize[p] / 2;
269 
270  for (i = 0; i < size; i++)
271  srcf[i] += linesize[i] / 2;
272  }
273  }
274 
275  return 0;
276 }
277 
278 static int config_input(AVFilterLink *inlink)
279 {
281  AVFilterContext *ctx = inlink->dst;
282  ATADenoiseContext *s = ctx->priv;
283  int depth;
284 
285  s->nb_planes = desc->nb_components;
286 
287  s->planeheight[1] = s->planeheight[2] = AV_CEIL_RSHIFT(inlink->h, desc->log2_chroma_h);
288  s->planeheight[0] = s->planeheight[3] = inlink->h;
289  s->planewidth[1] = s->planewidth[2] = AV_CEIL_RSHIFT(inlink->w, desc->log2_chroma_w);
290  s->planewidth[0] = s->planewidth[3] = inlink->w;
291 
292  depth = desc->comp[0].depth;
293  if (depth == 8)
295  else
297 
298  s->thra[0] = s->fthra[0] * (1 << depth) - 1;
299  s->thra[1] = s->fthra[1] * (1 << depth) - 1;
300  s->thra[2] = s->fthra[2] * (1 << depth) - 1;
301  s->thrb[0] = s->fthrb[0] * (1 << depth) - 1;
302  s->thrb[1] = s->fthrb[1] * (1 << depth) - 1;
303  s->thrb[2] = s->fthrb[2] * (1 << depth) - 1;
304 
305  return 0;
306 }
307 
308 static int filter_frame(AVFilterLink *inlink, AVFrame *buf)
309 {
310  AVFilterContext *ctx = inlink->dst;
311  AVFilterLink *outlink = ctx->outputs[0];
312  ATADenoiseContext *s = ctx->priv;
313  AVFrame *out, *in;
314  int i;
315 
316  if (s->q.available != s->size) {
317  if (s->q.available < s->mid) {
318  for (i = 0; i < s->mid; i++) {
319  out = av_frame_clone(buf);
320  if (!out) {
321  av_frame_free(&buf);
322  return AVERROR(ENOMEM);
323  }
324  ff_bufqueue_add(ctx, &s->q, out);
325  }
326  }
327  if (s->q.available < s->size) {
328  ff_bufqueue_add(ctx, &s->q, buf);
329  s->available++;
330  }
331  return 0;
332  }
333 
334  in = ff_bufqueue_peek(&s->q, s->mid);
335 
336  if (!ctx->is_disabled) {
337  ThreadData td;
338 
339  out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
340  if (!out) {
341  av_frame_free(&buf);
342  return AVERROR(ENOMEM);
343  }
344 
345  for (i = 0; i < s->size; i++) {
346  AVFrame *frame = ff_bufqueue_peek(&s->q, i);
347 
348  s->data[0][i] = frame->data[0];
349  s->data[1][i] = frame->data[1];
350  s->data[2][i] = frame->data[2];
351  s->linesize[0][i] = frame->linesize[0];
352  s->linesize[1][i] = frame->linesize[1];
353  s->linesize[2][i] = frame->linesize[2];
354  }
355 
356  td.in = in; td.out = out;
357  ctx->internal->execute(ctx, s->filter_slice, &td, NULL,
358  FFMIN3(s->planeheight[1],
359  s->planeheight[2],
361  av_frame_copy_props(out, in);
362  } else {
363  out = av_frame_clone(in);
364  if (!out) {
365  av_frame_free(&buf);
366  return AVERROR(ENOMEM);
367  }
368  }
369 
370  in = ff_bufqueue_get(&s->q);
371  av_frame_free(&in);
372  ff_bufqueue_add(ctx, &s->q, buf);
373 
374  return ff_filter_frame(outlink, out);
375 }
376 
377 static int request_frame(AVFilterLink *outlink)
378 {
379  AVFilterContext *ctx = outlink->src;
380  ATADenoiseContext *s = ctx->priv;
381  int ret = 0;
382 
383  ret = ff_request_frame(ctx->inputs[0]);
384 
385  if (ret == AVERROR_EOF && !ctx->is_disabled && s->available) {
387  if (!buf)
388  return AVERROR(ENOMEM);
389 
390  ret = filter_frame(ctx->inputs[0], buf);
391  s->available--;
392  }
393 
394  return ret;
395 }
396 
398 {
399  ATADenoiseContext *s = ctx->priv;
400 
402 }
403 
404 static const AVFilterPad inputs[] = {
405  {
406  .name = "default",
407  .type = AVMEDIA_TYPE_VIDEO,
408  .filter_frame = filter_frame,
409  .config_props = config_input,
410  },
411  { NULL }
412 };
413 
414 static const AVFilterPad outputs[] = {
415  {
416  .name = "default",
417  .type = AVMEDIA_TYPE_VIDEO,
418  .request_frame = request_frame,
419  },
420  { NULL }
421 };
422 
424  .name = "atadenoise",
425  .description = NULL_IF_CONFIG_SMALL("Apply an Adaptive Temporal Averaging Denoiser."),
426  .priv_size = sizeof(ATADenoiseContext),
427  .priv_class = &atadenoise_class,
428  .init = init,
429  .uninit = uninit,
431  .inputs = inputs,
432  .outputs = outputs,
434 };
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_sofalizer.c:585
#define AV_PIX_FMT_YUV440P10
Definition: pixfmt.h:343
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
Definition: pixdesc.c:2266
This structure describes decoded (raw) audio or video data.
Definition: frame.h:184
AVOption.
Definition: opt.h:245
ptrdiff_t const GLvoid * data
Definition: opengl_enc.c:101
#define AV_PIX_FMT_YUV444P14
Definition: pixfmt.h:351
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:101
planar GBR 4:4:4 24bpp
Definition: pixfmt.h:180
#define AV_PIX_FMT_GBRP10
Definition: pixfmt.h:357
static enum AVSampleFormat formats[]
Definition: avresample.c:163
#define AV_PIX_FMT_YUV420P12
Definition: pixfmt.h:345
AVFrame * ff_get_video_buffer(AVFilterLink *link, int w, int h)
Request a picture buffer with a specific set of permissions.
Definition: video.c:76
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:354
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
const char * name
Pad name.
Definition: internal.h:59
AVFilterLink ** inputs
array of pointers to input links
Definition: avfilter.h:315
int ff_filter_frame(AVFilterLink *link, AVFrame *frame)
Send a frame of data to the next filter.
Definition: avfilter.c:1189
AVFrame * in
Definition: af_sofalizer.c:585
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:356
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:101
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:75
#define AVERROR_EOF
End of file.
Definition: error.h:55
#define AV_PIX_FMT_YUV444P16
Definition: pixfmt.h:354
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:346
#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:53
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:158
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:176
const char * r
Definition: vf_curves.c:111
void * priv
private data for use by the filter
Definition: avfilter.h:322
#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:344
static int filter_slice8(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
int depth
Definition: v4l.c:62
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:339
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:360
int ff_filter_get_nb_threads(AVFilterContext *ctx)
Get number of threads for current filter instance.
Definition: avfilter.c:786
#define AV_PIX_FMT_GRAY16
Definition: pixfmt.h:325
planar YUV 4:2:0, 12bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV420P and setting col...
Definition: pixfmt.h:74
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 src
Definition: vp9dsp.c:530
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:340
#define AV_PIX_FMT_GBRP14
Definition: pixfmt.h:359
AVFrame * av_frame_clone(const AVFrame *src)
Create a new frame that references the same data as src.
Definition: frame.c:480
#define AV_PIX_FMT_YUV420P16
Definition: pixfmt.h:352
static av_cold void uninit(AVFilterContext *ctx)
#define AV_PIX_FMT_YUV420P14
Definition: pixfmt.h:349
#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:215
#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
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:341
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:347
#define AV_PIX_FMT_YUV420P9
Definition: pixfmt.h:338
#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:319
#define AV_PIX_FMT_YUV422P14
Definition: pixfmt.h:350
#define AV_PIX_FMT_GBRP12
Definition: pixfmt.h:358
AVFilterInternal * internal
An opaque struct for libavfilter internal use.
Definition: avfilter.h:347
#define AV_PIX_FMT_YUV422P10
Definition: pixfmt.h:342
static int flags
Definition: cpu.c:47
#define AV_PIX_FMT_YUV444P12
Definition: pixfmt.h:348
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition: frame.h:198
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:153
static int slice_end(AVCodecContext *avctx, AVFrame *pict)
Handle slice ends.
Definition: mpeg12dec.c:2051
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:272
An instance of a filter.
Definition: avfilter.h:307
FILE * out
Definition: movenc.c:54
planar YUV 4:4:0 (1 Cr & Cb sample per 1x2 Y samples)
Definition: pixfmt.h:100
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:369
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:287
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:353
int av_frame_copy_props(AVFrame *dst, const AVFrame *src)
Copy only "metadata" fields from src to dst.
Definition: frame.c:589
#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