FFmpeg  4.3.8
vf_bilateral.c
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1 /*
2  * Copyright (c) 2017 Ming Yang
3  * Copyright (c) 2019 Paul B Mahol
4  *
5  * Permission is hereby granted, free of charge, to any person obtaining a copy
6  * of this software and associated documentation files (the "Software"), to deal
7  * in the Software without restriction, including without limitation the rights
8  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
9  * copies of the Software, and to permit persons to whom the Software is
10  * furnished to do so, subject to the following conditions:
11  *
12  * The above copyright notice and this permission notice shall be included in all
13  * copies or substantial portions of the Software.
14  *
15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21  * SOFTWARE.
22  */
23 
24 #include "libavutil/imgutils.h"
25 #include "libavutil/opt.h"
26 #include "libavutil/pixdesc.h"
27 #include "avfilter.h"
28 #include "formats.h"
29 #include "internal.h"
30 #include "video.h"
31 
32 typedef struct BilateralContext {
33  const AVClass *class;
34 
35  float sigmaS;
36  float sigmaR;
37  int planes;
38 
39  int nb_planes;
40  int depth;
41  int planewidth[4];
42  int planeheight[4];
43 
44  float range_table[65536];
45 
46  float *img_out_f;
47  float *img_temp;
48  float *map_factor_a;
49  float *map_factor_b;
52  float *line_factor_a;
53  float *line_factor_b;
55 
56 #define OFFSET(x) offsetof(BilateralContext, x)
57 #define FLAGS AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
58 
59 static const AVOption bilateral_options[] = {
60  { "sigmaS", "set spatial sigma", OFFSET(sigmaS), AV_OPT_TYPE_FLOAT, {.dbl=0.1}, 0.0, 10, FLAGS },
61  { "sigmaR", "set range sigma", OFFSET(sigmaR), AV_OPT_TYPE_FLOAT, {.dbl=0.1}, 0.0, 1, FLAGS },
62  { "planes", "set planes to filter", OFFSET(planes), AV_OPT_TYPE_INT, {.i64=1}, 0, 0xF, FLAGS },
63  { NULL }
64 };
65 
66 AVFILTER_DEFINE_CLASS(bilateral);
67 
69 {
70  static const enum AVPixelFormat pix_fmts[] = {
89  };
90 
91  return ff_set_common_formats(ctx, ff_make_format_list(pix_fmts));
92 }
93 
94 static int config_input(AVFilterLink *inlink)
95 {
96  BilateralContext *s = inlink->dst->priv;
98  float inv_sigma_range;
99 
100  s->depth = desc->comp[0].depth;
101  inv_sigma_range = 1.0f / (s->sigmaR * ((1 << s->depth) - 1));
102 
103  //compute a lookup table
104  for (int i = 0; i < (1 << s->depth); i++)
105  s->range_table[i] = expf(-i * inv_sigma_range);
106 
107  s->planewidth[1] = s->planewidth[2] = AV_CEIL_RSHIFT(inlink->w, desc->log2_chroma_w);
108  s->planewidth[0] = s->planewidth[3] = inlink->w;
109  s->planeheight[1] = s->planeheight[2] = AV_CEIL_RSHIFT(inlink->h, desc->log2_chroma_h);
110  s->planeheight[0] = s->planeheight[3] = inlink->h;
111 
113 
114  s->img_out_f = av_calloc(inlink->w * inlink->h, sizeof(float));
115  s->img_temp = av_calloc(inlink->w * inlink->h, sizeof(float));
116  s->map_factor_a = av_calloc(inlink->w * inlink->h, sizeof(float));
117  s->map_factor_b = av_calloc(inlink->w * inlink->h, sizeof(float));
118  s->slice_factor_a = av_calloc(inlink->w, sizeof(float));
119  s->slice_factor_b = av_calloc(inlink->w, sizeof(float));
120  s->line_factor_a = av_calloc(inlink->w, sizeof(float));
121  s->line_factor_b = av_calloc(inlink->w, sizeof(float));
122 
123  if (!s->img_out_f ||
124  !s->img_temp ||
125  !s->map_factor_a ||
126  !s->map_factor_b ||
127  !s->slice_factor_a ||
128  !s->slice_factor_a ||
129  !s->line_factor_a ||
130  !s->line_factor_a)
131  return AVERROR(ENOMEM);
132 
133  return 0;
134 }
135 
136 #define BILATERAL(type, name) \
137 static void bilateral_##name(BilateralContext *s, const uint8_t *ssrc, uint8_t *ddst, \
138  float sigma_spatial, float sigma_range, \
139  int width, int height, int src_linesize, int dst_linesize) \
140 { \
141  type *dst = (type *)ddst; \
142  const type *src = (const type *)ssrc; \
143  float *img_out_f = s->img_out_f, *img_temp = s->img_temp; \
144  float *map_factor_a = s->map_factor_a, *map_factor_b = s->map_factor_b; \
145  float *slice_factor_a = s->slice_factor_a, *slice_factor_b = s->slice_factor_b; \
146  float *line_factor_a = s->line_factor_a, *line_factor_b = s->line_factor_b; \
147  float *range_table = s->range_table; \
148  float alpha = expf(-sqrtf(2.f) / (sigma_spatial * width)); \
149  float ypr, ycr, *ycy, *ypy, *xcy, fp, fc; \
150  float inv_alpha_ = 1 - alpha; \
151  float *ycf, *ypf, *xcf, *in_factor; \
152  const type *tcy, *tpy; \
153  int h1; \
154  \
155  for (int y = 0; y < height; y++) { \
156  float *temp_factor_x, *temp_x = &img_temp[y * width]; \
157  const type *in_x = &src[y * src_linesize]; \
158  const type *texture_x = &src[y * src_linesize]; \
159  type tpr; \
160  \
161  *temp_x++ = ypr = *in_x++; \
162  tpr = *texture_x++; \
163  \
164  temp_factor_x = &map_factor_a[y * width]; \
165  *temp_factor_x++ = fp = 1; \
166  \
167  for (int x = 1; x < width; x++) { \
168  float weight, alpha_; \
169  int range_dist; \
170  type tcr = *texture_x++; \
171  type dr = abs(tcr - tpr); \
172  \
173  range_dist = dr; \
174  weight = range_table[range_dist]; \
175  alpha_ = weight*alpha; \
176  *temp_x++ = ycr = inv_alpha_*(*in_x++) + alpha_*ypr; \
177  tpr = tcr; \
178  ypr = ycr; \
179  *temp_factor_x++ = fc = inv_alpha_ + alpha_ * fp; \
180  fp = fc; \
181  } \
182  --temp_x; *temp_x = 0.5f*((*temp_x) + (*--in_x)); \
183  tpr = *--texture_x; \
184  ypr = *in_x; \
185  \
186  --temp_factor_x; *temp_factor_x = 0.5f*((*temp_factor_x) + 1); \
187  fp = 1; \
188  \
189  for (int x = width - 2; x >= 0; x--) { \
190  type tcr = *--texture_x; \
191  type dr = abs(tcr - tpr); \
192  int range_dist = dr; \
193  float weight = range_table[range_dist]; \
194  float alpha_ = weight * alpha; \
195  \
196  ycr = inv_alpha_ * (*--in_x) + alpha_ * ypr; \
197  --temp_x; *temp_x = 0.5f*((*temp_x) + ycr); \
198  tpr = tcr; \
199  ypr = ycr; \
200  \
201  fc = inv_alpha_ + alpha_*fp; \
202  --temp_factor_x; \
203  *temp_factor_x = 0.5f*((*temp_factor_x) + fc); \
204  fp = fc; \
205  } \
206  } \
207  memcpy(img_out_f, img_temp, sizeof(float) * width); \
208  \
209  alpha = expf(-sqrtf(2.f) / (sigma_spatial * height)); \
210  inv_alpha_ = 1 - alpha; \
211  in_factor = map_factor_a; \
212  memcpy(map_factor_b, in_factor, sizeof(float) * width); \
213  for (int y = 1; y < height; y++) { \
214  tpy = &src[(y - 1) * src_linesize]; \
215  tcy = &src[y * src_linesize]; \
216  xcy = &img_temp[y * width]; \
217  ypy = &img_out_f[(y - 1) * width]; \
218  ycy = &img_out_f[y * width]; \
219  \
220  xcf = &in_factor[y * width]; \
221  ypf = &map_factor_b[(y - 1) * width]; \
222  ycf = &map_factor_b[y * width]; \
223  for (int x = 0; x < width; x++) { \
224  type dr = abs((*tcy++) - (*tpy++)); \
225  int range_dist = dr; \
226  float weight = range_table[range_dist]; \
227  float alpha_ = weight*alpha; \
228  \
229  *ycy++ = inv_alpha_*(*xcy++) + alpha_*(*ypy++); \
230  *ycf++ = inv_alpha_*(*xcf++) + alpha_*(*ypf++); \
231  } \
232  } \
233  h1 = height - 1; \
234  ycf = line_factor_a; \
235  ypf = line_factor_b; \
236  memcpy(ypf, &in_factor[h1 * width], sizeof(float) * width); \
237  for (int x = 0; x < width; x++) \
238  map_factor_b[h1 * width + x] = 0.5f*(map_factor_b[h1 * width + x] + ypf[x]); \
239  \
240  ycy = slice_factor_a; \
241  ypy = slice_factor_b; \
242  memcpy(ypy, &img_temp[h1 * width], sizeof(float) * width); \
243  for (int x = 0, k = 0; x < width; x++) { \
244  int idx = h1 * width + x; \
245  img_out_f[idx] = 0.5f*(img_out_f[idx] + ypy[k++]) / map_factor_b[h1 * width + x]; \
246  } \
247  \
248  for (int y = h1 - 1; y >= 0; y--) { \
249  float *ycf_, *ypf_, *factor_; \
250  float *ycy_, *ypy_, *out_; \
251  \
252  tpy = &src[(y + 1) * src_linesize]; \
253  tcy = &src[y * src_linesize]; \
254  xcy = &img_temp[y * width]; \
255  ycy_ = ycy; \
256  ypy_ = ypy; \
257  out_ = &img_out_f[y * width]; \
258  \
259  xcf = &in_factor[y * width]; \
260  ycf_ = ycf; \
261  ypf_ = ypf; \
262  factor_ = &map_factor_b[y * width]; \
263  for (int x = 0; x < width; x++) { \
264  type dr = abs((*tcy++) - (*tpy++)); \
265  int range_dist = dr; \
266  float weight = range_table[range_dist]; \
267  float alpha_ = weight*alpha; \
268  float ycc, fcc = inv_alpha_*(*xcf++) + alpha_*(*ypf_++); \
269  \
270  *ycf_++ = fcc; \
271  *factor_ = 0.5f * (*factor_ + fcc); \
272  \
273  ycc = inv_alpha_*(*xcy++) + alpha_*(*ypy_++); \
274  *ycy_++ = ycc; \
275  *out_ = 0.5f * (*out_ + ycc) / (*factor_); \
276  out_++; \
277  factor_++; \
278  } \
279  \
280  memcpy(ypy, ycy, sizeof(float) * width); \
281  memcpy(ypf, ycf, sizeof(float) * width); \
282  } \
283  \
284  for (int i = 0; i < height; i++) \
285  for (int j = 0; j < width; j++) \
286  dst[j + i * dst_linesize] = img_out_f[i * width + j]; \
287 }
288 
289 BILATERAL(uint8_t, byte)
290 BILATERAL(uint16_t, word)
291 
292 static int filter_frame(AVFilterLink *inlink, AVFrame *in)
293 {
294  AVFilterContext *ctx = inlink->dst;
295  BilateralContext *s = ctx->priv;
296  AVFilterLink *outlink = ctx->outputs[0];
297  AVFrame *out;
298 
299  out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
300  if (!out) {
301  av_frame_free(&in);
302  return AVERROR(ENOMEM);
303  }
304  av_frame_copy_props(out, in);
305 
306  for (int plane = 0; plane < s->nb_planes; plane++) {
307  if (!(s->planes & (1 << plane))) {
308  av_image_copy_plane(out->data[plane], out->linesize[plane],
309  in->data[plane], in->linesize[plane],
310  s->planewidth[plane] * ((s->depth + 7) / 8), s->planeheight[plane]);
311  continue;
312  }
313 
314  if (s->depth <= 8)
315  bilateral_byte(s, in->data[plane], out->data[plane], s->sigmaS, s->sigmaR,
316  s->planewidth[plane], s->planeheight[plane],
317  in->linesize[plane], out->linesize[plane]);
318  else
319  bilateral_word(s, in->data[plane], out->data[plane], s->sigmaS, s->sigmaR,
320  s->planewidth[plane], s->planeheight[plane],
321  in->linesize[plane] / 2, out->linesize[plane] / 2);
322  }
323 
324  av_frame_free(&in);
325  return ff_filter_frame(outlink, out);
326 }
327 
329 {
330  BilateralContext *s = ctx->priv;
331 
332  av_freep(&s->img_out_f);
333  av_freep(&s->img_temp);
334  av_freep(&s->map_factor_a);
335  av_freep(&s->map_factor_b);
338  av_freep(&s->line_factor_a);
339  av_freep(&s->line_factor_b);
340 }
341 
342 static const AVFilterPad bilateral_inputs[] = {
343  {
344  .name = "default",
345  .type = AVMEDIA_TYPE_VIDEO,
346  .config_props = config_input,
347  .filter_frame = filter_frame,
348  },
349  { NULL }
350 };
351 
352 static const AVFilterPad bilateral_outputs[] = {
353  {
354  .name = "default",
355  .type = AVMEDIA_TYPE_VIDEO,
356  },
357  { NULL }
358 };
359 
361  .name = "bilateral",
362  .description = NULL_IF_CONFIG_SMALL("Apply Bilateral filter."),
363  .priv_size = sizeof(BilateralContext),
364  .priv_class = &bilateral_class,
365  .uninit = uninit,
367  .inputs = bilateral_inputs,
368  .outputs = bilateral_outputs,
370 };
#define NULL
Definition: coverity.c:32
#define FLAGS
Definition: vf_bilateral.c:57
#define AV_PIX_FMT_YUVA422P16
Definition: pixfmt.h:440
#define AV_PIX_FMT_YUVA422P9
Definition: pixfmt.h:432
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
Definition: pixdesc.c:2549
This structure describes decoded (raw) audio or video data.
Definition: frame.h:300
AVOption.
Definition: opt.h:246
#define AV_PIX_FMT_YUVA420P10
Definition: pixfmt.h:434
#define AV_PIX_FMT_YUV444P14
Definition: pixfmt.h:407
#define AV_PIX_FMT_GBRAP10
Definition: pixfmt.h:417
#define AV_PIX_FMT_YUVA422P10
Definition: pixfmt.h:435
planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples)
Definition: pixfmt.h:71
misc image utilities
int av_pix_fmt_count_planes(enum AVPixelFormat pix_fmt)
Definition: pixdesc.c:2589
Main libavfilter public API header.
const char * desc
Definition: nvenc.c:79
planar GBR 4:4:4 24bpp
Definition: pixfmt.h:168
float * map_factor_a
Definition: vf_bilateral.c:48
#define AV_PIX_FMT_GBRP10
Definition: pixfmt.h:413
#define AV_PIX_FMT_GRAY9
Definition: pixfmt.h:377
#define AV_PIX_FMT_YUV420P12
Definition: pixfmt.h:401
AVFrame * ff_get_video_buffer(AVFilterLink *link, int w, int h)
Request a picture buffer with a specific set of permissions.
Definition: video.c:104
float * map_factor_b
Definition: vf_bilateral.c:49
float * slice_factor_b
Definition: vf_bilateral.c:51
uint8_t log2_chroma_w
Amount to shift the luma width right to find the chroma width.
Definition: pixdesc.h:92
void * av_calloc(size_t nmemb, size_t size)
Non-inlined equivalent of av_mallocz_array().
Definition: mem.c:245
float range_table[65536]
Definition: vf_bilateral.c:44
AVFilterFormats * ff_make_format_list(const int *fmts)
Create a list of supported formats.
Definition: formats.c:300
#define AV_PIX_FMT_GRAY10
Definition: pixfmt.h:378
#define AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC
Some filters support a generic "enable" expression option that can be used to enable or disable a fil...
Definition: avfilter.h:125
static av_cold void uninit(AVFilterContext *ctx)
Definition: vf_bilateral.c:328
const char * name
Pad name.
Definition: internal.h:60
#define AV_PIX_FMT_GRAY12
Definition: pixfmt.h:379
int ff_filter_frame(AVFilterLink *link, AVFrame *frame)
Send a frame of data to the next filter.
Definition: avfilter.c:1075
planar YUV 4:2:0, 20bpp, (1 Cr & Cb sample per 2x2 Y & A samples)
Definition: pixfmt.h:101
AVComponentDescriptor comp[4]
Parameters that describe how pixels are packed.
Definition: pixdesc.h:117
uint8_t
#define av_cold
Definition: attributes.h:88
AVOptions.
static const AVOption bilateral_options[]
Definition: vf_bilateral.c:59
#define AV_PIX_FMT_YUVA420P9
Definition: pixfmt.h:431
#define AV_PIX_FMT_GBRP9
Definition: pixfmt.h:412
#define OFFSET(x)
Definition: vf_bilateral.c:56
static int config_input(AVFilterLink *inlink)
Definition: vf_bilateral.c:94
planar YUV 4:4:0 full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV440P and setting color_range...
Definition: pixfmt.h:100
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 AV_PIX_FMT_YUV444P16
Definition: pixfmt.h:410
#define AV_PIX_FMT_YUV422P12
Definition: pixfmt.h:402
#define AV_PIX_FMT_YUVA420P16
Definition: pixfmt.h:439
A filter pad used for either input or output.
Definition: internal.h:54
#define expf(x)
Definition: libm.h:283
planar YUV 4:2:2 24bpp, (1 Cr & Cb sample per 2x1 Y & A samples)
Definition: pixfmt.h:176
#define i(width, name, range_min, range_max)
Definition: cbs_h2645.c:269
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:605
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:203
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:188
void * priv
private data for use by the filter
Definition: avfilter.h:353
#define AV_PIX_FMT_YUVA444P16
Definition: pixfmt.h:441
#define AV_PIX_FMT_GBRAP12
Definition: pixfmt.h:418
#define AV_PIX_FMT_YUV444P10
Definition: pixfmt.h:400
float * slice_factor_a
Definition: vf_bilateral.c:50
#define AV_PIX_FMT_GBRAP16
Definition: pixfmt.h:419
planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
Definition: pixfmt.h:70
#define BILATERAL(type, name)
Definition: vf_bilateral.c:136
#define AV_PIX_FMT_YUV422P9
Definition: pixfmt.h:395
static const AVFilterPad bilateral_inputs[]
Definition: vf_bilateral.c:342
static int filter_frame(AVFilterLink *inlink, AVFrame *in)
Definition: vf_bilateral.c:292
#define AV_PIX_FMT_GBRP16
Definition: pixfmt.h:416
#define AV_PIX_FMT_GRAY16
Definition: pixfmt.h:381
planar YUV 4:2:0, 12bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV420P and setting col...
Definition: pixfmt.h:78
AVFormatContext * ctx
Definition: movenc.c:48
#define s(width, name)
Definition: cbs_vp9.c:257
AVFILTER_DEFINE_CLASS(bilateral)
#define AV_PIX_FMT_YUVA444P10
Definition: pixfmt.h:436
static const AVFilterPad inputs[]
Definition: af_acontrast.c:193
#define AV_PIX_FMT_YUV444P9
Definition: pixfmt.h:396
#define AV_PIX_FMT_GBRP14
Definition: pixfmt.h:415
static const AVFilterPad outputs[]
Definition: af_acontrast.c:203
#define AV_PIX_FMT_YUV420P16
Definition: pixfmt.h:408
#define AV_PIX_FMT_YUV420P14
Definition: pixfmt.h:405
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
Definition: frame.h:331
planar YUV 4:4:4 32bpp, (1 Cr & Cb sample per 1x1 Y & A samples)
Definition: pixfmt.h:177
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:380
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:397
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:403
#define AV_PIX_FMT_YUV420P9
Definition: pixfmt.h:394
AVFilterLink ** outputs
array of pointers to output links
Definition: avfilter.h:350
static enum AVPixelFormat pix_fmts[]
Definition: libkvazaar.c:275
#define AV_PIX_FMT_YUV422P14
Definition: pixfmt.h:406
#define AV_PIX_FMT_GBRP12
Definition: pixfmt.h:414
#define flags(name, subs,...)
Definition: cbs_av1.c:576
#define AV_PIX_FMT_YUV422P10
Definition: pixfmt.h:398
#define AV_PIX_FMT_YUV444P12
Definition: pixfmt.h:404
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition: frame.h:314
float * line_factor_a
Definition: vf_bilateral.c:52
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
Definition: pixfmt.h:66
Y , 8bpp.
Definition: pixfmt.h:74
static const AVFilterPad bilateral_outputs[]
Definition: vf_bilateral.c:352
planar GBRA 4:4:4:4 32bpp
Definition: pixfmt.h:215
#define AV_PIX_FMT_YUVA444P9
Definition: pixfmt.h:433
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
float * line_factor_b
Definition: vf_bilateral.c:53
AVFilter ff_vf_bilateral
Definition: vf_bilateral.c:360
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
static int query_formats(AVFilterContext *ctx)
Definition: vf_bilateral.c:68
FILE * out
Definition: movenc.c:54
#define av_freep(p)
planar YUV 4:4:0 (1 Cr & Cb sample per 1x2 Y samples)
Definition: pixfmt.h:99
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:409
int av_frame_copy_props(AVFrame *dst, const AVFrame *src)
Copy only "metadata" fields from src to dst.
Definition: frame.c:659
#define AV_CEIL_RSHIFT(a, b)
Definition: common.h:58