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vf_stereo3d.c
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1 /*
2  * Copyright (c) 2010 Gordon Schmidt <gordon.schmidt <at> s2000.tu-chemnitz.de>
3  * Copyright (c) 2013 Paul B Mahol
4  *
5  * This file is part of FFmpeg.
6  *
7  * FFmpeg is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU General Public
9  * License as published by the Free Software Foundation; either
10  * version 2 of the License, or (at your option) any later version.
11  *
12  * FFmpeg is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License along
18  * with FFmpeg; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20  */
21 
22 #include "libavutil/avassert.h"
23 #include "libavutil/imgutils.h"
24 #include "libavutil/opt.h"
25 #include "libavutil/parseutils.h"
26 #include "libavutil/pixdesc.h"
27 #include "avfilter.h"
28 #include "drawutils.h"
29 #include "formats.h"
30 #include "internal.h"
31 #include "video.h"
32 
33 enum StereoCode {
34  ANAGLYPH_RC_GRAY, // anaglyph red/cyan gray
35  ANAGLYPH_RC_HALF, // anaglyph red/cyan half colored
36  ANAGLYPH_RC_COLOR, // anaglyph red/cyan colored
37  ANAGLYPH_RC_DUBOIS, // anaglyph red/cyan dubois
38  ANAGLYPH_GM_GRAY, // anaglyph green/magenta gray
39  ANAGLYPH_GM_HALF, // anaglyph green/magenta half colored
40  ANAGLYPH_GM_COLOR, // anaglyph green/magenta colored
41  ANAGLYPH_GM_DUBOIS, // anaglyph green/magenta dubois
42  ANAGLYPH_YB_GRAY, // anaglyph yellow/blue gray
43  ANAGLYPH_YB_HALF, // anaglyph yellow/blue half colored
44  ANAGLYPH_YB_COLOR, // anaglyph yellow/blue colored
45  ANAGLYPH_YB_DUBOIS, // anaglyph yellow/blue dubois
46  ANAGLYPH_RB_GRAY, // anaglyph red/blue gray
47  ANAGLYPH_RG_GRAY, // anaglyph red/green gray
48  MONO_L, // mono output for debugging (left eye only)
49  MONO_R, // mono output for debugging (right eye only)
50  INTERLEAVE_ROWS_LR, // row-interleave (left eye has top row)
51  INTERLEAVE_ROWS_RL, // row-interleave (right eye has top row)
52  SIDE_BY_SIDE_LR, // side by side parallel (left eye left, right eye right)
53  SIDE_BY_SIDE_RL, // side by side crosseye (right eye left, left eye right)
54  SIDE_BY_SIDE_2_LR, // side by side parallel with half width resolution
55  SIDE_BY_SIDE_2_RL, // side by side crosseye with half width resolution
56  ABOVE_BELOW_LR, // above-below (left eye above, right eye below)
57  ABOVE_BELOW_RL, // above-below (right eye above, left eye below)
58  ABOVE_BELOW_2_LR, // above-below with half height resolution
59  ABOVE_BELOW_2_RL, // above-below with half height resolution
60  ALTERNATING_LR, // alternating frames (left eye first, right eye second)
61  ALTERNATING_RL, // alternating frames (right eye first, left eye second)
62  STEREO_CODE_COUNT // TODO: needs autodetection
63 };
64 
65 typedef struct StereoComponent {
66  int format; ///< StereoCode
67  int width, height;
72 
73 static const int ana_coeff[][3][6] = {
75  {{19595, 38470, 7471, 0, 0, 0},
76  { 0, 0, 0, 0, 0, 0},
77  { 0, 0, 0, 19595, 38470, 7471}},
79  {{19595, 38470, 7471, 0, 0, 0},
80  { 0, 0, 0, 19595, 38470, 7471},
81  { 0, 0, 0, 0, 0, 0}},
83  {{19595, 38470, 7471, 0, 0, 0},
84  { 0, 0, 0, 19595, 38470, 7471},
85  { 0, 0, 0, 19595, 38470, 7471}},
87  {{19595, 38470, 7471, 0, 0, 0},
88  { 0, 0, 0, 0, 65536, 0},
89  { 0, 0, 0, 0, 0, 65536}},
91  {{65536, 0, 0, 0, 0, 0},
92  { 0, 0, 0, 0, 65536, 0},
93  { 0, 0, 0, 0, 0, 65536}},
95  {{29891, 32800, 11559, -2849, -5763, -102},
96  {-2627, -2479, -1033, 24804, 48080, -1209},
97  { -997, -1350, -358, -4729, -7403, 80373}},
99  {{ 0, 0, 0, 19595, 38470, 7471},
100  {19595, 38470, 7471, 0, 0, 0},
101  { 0, 0, 0, 19595, 38470, 7471}},
102  [ANAGLYPH_GM_HALF] =
103  {{ 0, 0, 0, 65536, 0, 0},
104  {19595, 38470, 7471, 0, 0, 0},
105  { 0, 0, 0, 0, 0, 65536}},
107  {{ 0, 0, 0, 65536, 0, 0},
108  { 0, 65536, 0, 0, 0, 0},
109  { 0, 0, 0, 0, 0, 65536}},
111  {{-4063,-10354, -2556, 34669, 46203, 1573},
112  {18612, 43778, 9372, -1049, -983, -4260},
113  { -983, -1769, 1376, 590, 4915, 61407}},
114  [ANAGLYPH_YB_GRAY] =
115  {{ 0, 0, 0, 19595, 38470, 7471},
116  { 0, 0, 0, 19595, 38470, 7471},
117  {19595, 38470, 7471, 0, 0, 0}},
118  [ANAGLYPH_YB_HALF] =
119  {{ 0, 0, 0, 65536, 0, 0},
120  { 0, 0, 0, 0, 65536, 0},
121  {19595, 38470, 7471, 0, 0, 0}},
123  {{ 0, 0, 0, 65536, 0, 0},
124  { 0, 0, 0, 0, 65536, 0},
125  { 0, 0, 65536, 0, 0, 0}},
127  {{65535,-12650,18451, -987, -7590, -1049},
128  {-1604, 56032, 4196, 370, 3826, -1049},
129  {-2345,-10676, 1358, 5801, 11416, 56217}},
130 };
131 
132 typedef struct Stereo3DContext {
133  const AVClass *class;
135  int width, height;
136  int row_step;
137  const int *ana_matrix[3];
139  int linesize[4];
140  int pheight[4];
141  int hsub, vsub;
142  int pixstep[4];
144  double ts_unit;
146 
147 #define OFFSET(x) offsetof(Stereo3DContext, x)
148 #define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM
149 
150 static const AVOption stereo3d_options[] = {
151  { "in", "set input format", OFFSET(in.format), AV_OPT_TYPE_INT, {.i64=SIDE_BY_SIDE_LR}, SIDE_BY_SIDE_LR, STEREO_CODE_COUNT-1, FLAGS, "in"},
152  { "ab2l", "above below half height left first", 0, AV_OPT_TYPE_CONST, {.i64=ABOVE_BELOW_2_LR}, 0, 0, FLAGS, "in" },
153  { "ab2r", "above below half height right first", 0, AV_OPT_TYPE_CONST, {.i64=ABOVE_BELOW_2_RL}, 0, 0, FLAGS, "in" },
154  { "abl", "above below left first", 0, AV_OPT_TYPE_CONST, {.i64=ABOVE_BELOW_LR}, 0, 0, FLAGS, "in" },
155  { "abr", "above below right first", 0, AV_OPT_TYPE_CONST, {.i64=ABOVE_BELOW_RL}, 0, 0, FLAGS, "in" },
156  { "al", "alternating frames left first", 0, AV_OPT_TYPE_CONST, {.i64=ALTERNATING_LR}, 0, 0, FLAGS, "in" },
157  { "ar", "alternating frames right first", 0, AV_OPT_TYPE_CONST, {.i64=ALTERNATING_RL}, 0, 0, FLAGS, "in" },
158  { "sbs2l", "side by side half width left first", 0, AV_OPT_TYPE_CONST, {.i64=SIDE_BY_SIDE_2_LR}, 0, 0, FLAGS, "in" },
159  { "sbs2r", "side by side half width right first", 0, AV_OPT_TYPE_CONST, {.i64=SIDE_BY_SIDE_2_RL}, 0, 0, FLAGS, "in" },
160  { "sbsl", "side by side left first", 0, AV_OPT_TYPE_CONST, {.i64=SIDE_BY_SIDE_LR}, 0, 0, FLAGS, "in" },
161  { "sbsr", "side by side right first", 0, AV_OPT_TYPE_CONST, {.i64=SIDE_BY_SIDE_RL}, 0, 0, FLAGS, "in" },
162  { "out", "set output format", OFFSET(out.format), AV_OPT_TYPE_INT, {.i64=ANAGLYPH_RC_DUBOIS}, 0, STEREO_CODE_COUNT-1, FLAGS, "out"},
163  { "ab2l", "above below half height left first", 0, AV_OPT_TYPE_CONST, {.i64=ABOVE_BELOW_2_LR}, 0, 0, FLAGS, "out" },
164  { "ab2r", "above below half height right first", 0, AV_OPT_TYPE_CONST, {.i64=ABOVE_BELOW_2_RL}, 0, 0, FLAGS, "out" },
165  { "abl", "above below left first", 0, AV_OPT_TYPE_CONST, {.i64=ABOVE_BELOW_LR}, 0, 0, FLAGS, "out" },
166  { "abr", "above below right first", 0, AV_OPT_TYPE_CONST, {.i64=ABOVE_BELOW_RL}, 0, 0, FLAGS, "out" },
167  { "agmc", "anaglyph green magenta color", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_GM_COLOR}, 0, 0, FLAGS, "out" },
168  { "agmd", "anaglyph green magenta dubois", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_GM_DUBOIS}, 0, 0, FLAGS, "out" },
169  { "agmg", "anaglyph green magenta gray", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_GM_GRAY}, 0, 0, FLAGS, "out" },
170  { "agmh", "anaglyph green magenta half color", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_GM_HALF}, 0, 0, FLAGS, "out" },
171  { "al", "alternating frames left first", 0, AV_OPT_TYPE_CONST, {.i64=ALTERNATING_LR}, 0, 0, FLAGS, "out" },
172  { "ar", "alternating frames right first", 0, AV_OPT_TYPE_CONST, {.i64=ALTERNATING_RL}, 0, 0, FLAGS, "out" },
173  { "arbg", "anaglyph red blue gray", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_RB_GRAY}, 0, 0, FLAGS, "out" },
174  { "arcc", "anaglyph red cyan color", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_RC_COLOR}, 0, 0, FLAGS, "out" },
175  { "arcd", "anaglyph red cyan dubois", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_RC_DUBOIS}, 0, 0, FLAGS, "out" },
176  { "arcg", "anaglyph red cyan gray", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_RC_GRAY}, 0, 0, FLAGS, "out" },
177  { "arch", "anaglyph red cyan half color", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_RC_HALF}, 0, 0, FLAGS, "out" },
178  { "argg", "anaglyph red green gray", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_RG_GRAY}, 0, 0, FLAGS, "out" },
179  { "aybc", "anaglyph yellow blue color", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_YB_COLOR}, 0, 0, FLAGS, "out" },
180  { "aybd", "anaglyph yellow blue dubois", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_YB_DUBOIS}, 0, 0, FLAGS, "out" },
181  { "aybg", "anaglyph yellow blue gray", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_YB_GRAY}, 0, 0, FLAGS, "out" },
182  { "aybh", "anaglyph yellow blue half color", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_YB_HALF}, 0, 0, FLAGS, "out" },
183  { "irl", "interleave rows left first", 0, AV_OPT_TYPE_CONST, {.i64=INTERLEAVE_ROWS_LR}, 0, 0, FLAGS, "out" },
184  { "irr", "interleave rows right first", 0, AV_OPT_TYPE_CONST, {.i64=INTERLEAVE_ROWS_RL}, 0, 0, FLAGS, "out" },
185  { "ml", "mono left", 0, AV_OPT_TYPE_CONST, {.i64=MONO_L}, 0, 0, FLAGS, "out" },
186  { "mr", "mono right", 0, AV_OPT_TYPE_CONST, {.i64=MONO_R}, 0, 0, FLAGS, "out" },
187  { "sbs2l", "side by side half width left first", 0, AV_OPT_TYPE_CONST, {.i64=SIDE_BY_SIDE_2_LR}, 0, 0, FLAGS, "out" },
188  { "sbs2r", "side by side half width right first", 0, AV_OPT_TYPE_CONST, {.i64=SIDE_BY_SIDE_2_RL}, 0, 0, FLAGS, "out" },
189  { "sbsl", "side by side left first", 0, AV_OPT_TYPE_CONST, {.i64=SIDE_BY_SIDE_LR}, 0, 0, FLAGS, "out" },
190  { "sbsr", "side by side right first", 0, AV_OPT_TYPE_CONST, {.i64=SIDE_BY_SIDE_RL}, 0, 0, FLAGS, "out" },
191  { NULL }
192 };
193 
194 AVFILTER_DEFINE_CLASS(stereo3d);
195 
196 static const enum AVPixelFormat anaglyph_pix_fmts[] = {
199 };
200 
201 static const enum AVPixelFormat other_pix_fmts[] = {
253 };
254 
256 {
257  Stereo3DContext *s = ctx->priv;
258  const enum AVPixelFormat *pix_fmts;
259  AVFilterFormats *fmts_list;
260 
261  switch (s->out.format) {
262  case ANAGLYPH_GM_COLOR:
263  case ANAGLYPH_GM_DUBOIS:
264  case ANAGLYPH_GM_GRAY:
265  case ANAGLYPH_GM_HALF:
266  case ANAGLYPH_RB_GRAY:
267  case ANAGLYPH_RC_COLOR:
268  case ANAGLYPH_RC_DUBOIS:
269  case ANAGLYPH_RC_GRAY:
270  case ANAGLYPH_RC_HALF:
271  case ANAGLYPH_RG_GRAY:
272  case ANAGLYPH_YB_COLOR:
273  case ANAGLYPH_YB_DUBOIS:
274  case ANAGLYPH_YB_GRAY:
275  case ANAGLYPH_YB_HALF:
276  pix_fmts = anaglyph_pix_fmts;
277  break;
278  default:
279  pix_fmts = other_pix_fmts;
280  }
281 
282  fmts_list = ff_make_format_list(pix_fmts);
283  if (!fmts_list)
284  return AVERROR(ENOMEM);
285  return ff_set_common_formats(ctx, fmts_list);
286 }
287 
288 static int config_output(AVFilterLink *outlink)
289 {
290  AVFilterContext *ctx = outlink->src;
291  AVFilterLink *inlink = ctx->inputs[0];
292  Stereo3DContext *s = ctx->priv;
293  AVRational aspect = inlink->sample_aspect_ratio;
294  AVRational fps = inlink->frame_rate;
295  AVRational tb = inlink->time_base;
296  const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(outlink->format);
297  int ret;
298 
299  switch (s->in.format) {
300  case SIDE_BY_SIDE_2_LR:
301  case SIDE_BY_SIDE_LR:
302  case SIDE_BY_SIDE_2_RL:
303  case SIDE_BY_SIDE_RL:
304  if (inlink->w & 1) {
305  av_log(ctx, AV_LOG_ERROR, "width must be even\n");
306  return AVERROR_INVALIDDATA;
307  }
308  break;
309  case ABOVE_BELOW_2_LR:
310  case ABOVE_BELOW_LR:
311  case ABOVE_BELOW_2_RL:
312  case ABOVE_BELOW_RL:
313  if (s->out.format == INTERLEAVE_ROWS_LR ||
314  s->out.format == INTERLEAVE_ROWS_RL) {
315  if (inlink->h & 3) {
316  av_log(ctx, AV_LOG_ERROR, "height must be multiple of 4\n");
317  return AVERROR_INVALIDDATA;
318  }
319  }
320  if (inlink->h & 1) {
321  av_log(ctx, AV_LOG_ERROR, "height must be even\n");
322  return AVERROR_INVALIDDATA;
323  }
324  break;
325  }
326 
327  s->in.width =
328  s->width = inlink->w;
329  s->in.height =
330  s->height = inlink->h;
331  s->row_step = 1;
332  s->in.off_lstep =
333  s->in.off_rstep =
334  s->in.off_left =
335  s->in.off_right =
336  s->in.row_left =
337  s->in.row_right = 0;
338 
339  switch (s->in.format) {
340  case SIDE_BY_SIDE_2_LR:
341  aspect.num *= 2;
342  case SIDE_BY_SIDE_LR:
343  s->width = inlink->w / 2;
344  s->in.off_right = s->width;
345  break;
346  case SIDE_BY_SIDE_2_RL:
347  aspect.num *= 2;
348  case SIDE_BY_SIDE_RL:
349  s->width = inlink->w / 2;
350  s->in.off_left = s->width;
351  break;
352  case ABOVE_BELOW_2_LR:
353  aspect.den *= 2;
354  case ABOVE_BELOW_LR:
355  s->in.row_right =
356  s->height = inlink->h / 2;
357  break;
358  case ABOVE_BELOW_2_RL:
359  aspect.den *= 2;
360  case ABOVE_BELOW_RL:
361  s->in.row_left =
362  s->height = inlink->h / 2;
363  break;
364  case ALTERNATING_RL:
365  case ALTERNATING_LR:
366  outlink->flags |= FF_LINK_FLAG_REQUEST_LOOP;
367  fps.den *= 2;
368  tb.num *= 2;
369  break;
370  default:
371  av_log(ctx, AV_LOG_ERROR, "input format %d is not supported\n", s->in.format);
372  return AVERROR(EINVAL);
373  }
374 
375  s->out.width = s->width;
376  s->out.height = s->height;
377  s->out.off_lstep =
378  s->out.off_rstep =
379  s->out.off_left =
380  s->out.off_right =
381  s->out.row_left =
382  s->out.row_right = 0;
383 
384  switch (s->out.format) {
385  case ANAGLYPH_RB_GRAY:
386  case ANAGLYPH_RG_GRAY:
387  case ANAGLYPH_RC_GRAY:
388  case ANAGLYPH_RC_HALF:
389  case ANAGLYPH_RC_COLOR:
390  case ANAGLYPH_RC_DUBOIS:
391  case ANAGLYPH_GM_GRAY:
392  case ANAGLYPH_GM_HALF:
393  case ANAGLYPH_GM_COLOR:
394  case ANAGLYPH_GM_DUBOIS:
395  case ANAGLYPH_YB_GRAY:
396  case ANAGLYPH_YB_HALF:
397  case ANAGLYPH_YB_COLOR:
398  case ANAGLYPH_YB_DUBOIS: {
399  uint8_t rgba_map[4];
400 
401  ff_fill_rgba_map(rgba_map, outlink->format);
402  s->ana_matrix[rgba_map[0]] = &ana_coeff[s->out.format][0][0];
403  s->ana_matrix[rgba_map[1]] = &ana_coeff[s->out.format][1][0];
404  s->ana_matrix[rgba_map[2]] = &ana_coeff[s->out.format][2][0];
405  break;
406  }
407  case SIDE_BY_SIDE_2_LR:
408  aspect.den *= 2;
409  case SIDE_BY_SIDE_LR:
410  s->out.width = s->width * 2;
411  s->out.off_right = s->width;
412  break;
413  case SIDE_BY_SIDE_2_RL:
414  aspect.den *= 2;
415  case SIDE_BY_SIDE_RL:
416  s->out.width = s->width * 2;
417  s->out.off_left = s->width;
418  break;
419  case ABOVE_BELOW_2_LR:
420  aspect.num *= 2;
421  case ABOVE_BELOW_LR:
422  s->out.height = s->height * 2;
423  s->out.row_right = s->height;
424  break;
425  case ABOVE_BELOW_2_RL:
426  aspect.num *= 2;
427  case ABOVE_BELOW_RL:
428  s->out.height = s->height * 2;
429  s->out.row_left = s->height;
430  break;
431  case INTERLEAVE_ROWS_LR:
432  s->row_step = 2;
433  s->height = s->height / 2;
434  s->out.off_rstep =
435  s->in.off_rstep = 1;
436  break;
437  case INTERLEAVE_ROWS_RL:
438  s->row_step = 2;
439  s->height = s->height / 2;
440  s->out.off_lstep =
441  s->in.off_lstep = 1;
442  break;
443  case MONO_R:
444  s->in.off_left = s->in.off_right;
445  s->in.row_left = s->in.row_right;
446  case MONO_L:
447  break;
448  case ALTERNATING_RL:
449  case ALTERNATING_LR:
450  fps.num *= 2;
451  tb.den *= 2;
452  break;
453  default:
454  av_log(ctx, AV_LOG_ERROR, "output format %d is not supported\n", s->out.format);
455  return AVERROR(EINVAL);
456  }
457 
458  outlink->w = s->out.width;
459  outlink->h = s->out.height;
460  outlink->frame_rate = fps;
461  outlink->time_base = tb;
462  outlink->sample_aspect_ratio = aspect;
463 
464  if ((ret = av_image_fill_linesizes(s->linesize, outlink->format, s->width)) < 0)
465  return ret;
468  s->ts_unit = av_q2d(av_inv_q(av_mul_q(outlink->frame_rate, outlink->time_base)));
469  s->pheight[1] = s->pheight[2] = FF_CEIL_RSHIFT(s->height, desc->log2_chroma_h);
470  s->pheight[0] = s->pheight[3] = s->height;
471  s->hsub = desc->log2_chroma_w;
472  s->vsub = desc->log2_chroma_h;
473 
474  return 0;
475 }
476 
477 static inline uint8_t ana_convert(const int *coeff, const uint8_t *left, const uint8_t *right)
478 {
479  int sum;
480 
481  sum = coeff[0] * left[0] + coeff[3] * right[0]; //red in
482  sum += coeff[1] * left[1] + coeff[4] * right[1]; //green in
483  sum += coeff[2] * left[2] + coeff[5] * right[2]; //blue in
484 
485  return av_clip_uint8(sum >> 16);
486 }
487 
488 static int filter_frame(AVFilterLink *inlink, AVFrame *inpicref)
489 {
490  AVFilterContext *ctx = inlink->dst;
491  Stereo3DContext *s = ctx->priv;
492  AVFilterLink *outlink = ctx->outputs[0];
493  AVFrame *out, *oleft, *oright, *ileft, *iright;
494  int out_off_left[4], out_off_right[4];
495  int in_off_left[4], in_off_right[4];
496  int i;
497 
498  switch (s->in.format) {
499  case ALTERNATING_LR:
500  case ALTERNATING_RL:
501  if (!s->prev) {
502  s->prev = inpicref;
503  return 0;
504  }
505  ileft = s->prev;
506  iright = inpicref;
507  if (s->in.format == ALTERNATING_RL)
508  FFSWAP(AVFrame *, ileft, iright);
509  break;
510  default:
511  ileft = iright = inpicref;
512  };
513 
514  out = oleft = oright = ff_get_video_buffer(outlink, outlink->w, outlink->h);
515  if (!out) {
516  av_frame_free(&s->prev);
517  av_frame_free(&inpicref);
518  return AVERROR(ENOMEM);
519  }
520  av_frame_copy_props(out, inpicref);
521 
522  if (s->out.format == ALTERNATING_LR ||
523  s->out.format == ALTERNATING_RL) {
524  oright = ff_get_video_buffer(outlink, outlink->w, outlink->h);
525  if (!oright) {
526  av_frame_free(&oleft);
527  av_frame_free(&s->prev);
528  av_frame_free(&inpicref);
529  return AVERROR(ENOMEM);
530  }
531  av_frame_copy_props(oright, inpicref);
532  }
533 
534  for (i = 0; i < 4; i++) {
535  int hsub = i == 1 || i == 2 ? s->hsub : 0;
536  int vsub = i == 1 || i == 2 ? s->vsub : 0;
537  in_off_left[i] = (FF_CEIL_RSHIFT(s->in.row_left, vsub) + s->in.off_lstep) * ileft->linesize[i] + FF_CEIL_RSHIFT(s->in.off_left * s->pixstep[i], hsub);
538  in_off_right[i] = (FF_CEIL_RSHIFT(s->in.row_right, vsub) + s->in.off_rstep) * iright->linesize[i] + FF_CEIL_RSHIFT(s->in.off_right * s->pixstep[i], hsub);
539  out_off_left[i] = (FF_CEIL_RSHIFT(s->out.row_left, vsub) + s->out.off_lstep) * oleft->linesize[i] + FF_CEIL_RSHIFT(s->out.off_left * s->pixstep[i], hsub);
540  out_off_right[i] = (FF_CEIL_RSHIFT(s->out.row_right, vsub) + s->out.off_rstep) * oright->linesize[i] + FF_CEIL_RSHIFT(s->out.off_right * s->pixstep[i], hsub);
541  }
542 
543  switch (s->out.format) {
544  case ALTERNATING_LR:
545  case ALTERNATING_RL:
546  case SIDE_BY_SIDE_LR:
547  case SIDE_BY_SIDE_RL:
548  case SIDE_BY_SIDE_2_LR:
549  case SIDE_BY_SIDE_2_RL:
550  case ABOVE_BELOW_LR:
551  case ABOVE_BELOW_RL:
552  case ABOVE_BELOW_2_LR:
553  case ABOVE_BELOW_2_RL:
554  case INTERLEAVE_ROWS_LR:
555  case INTERLEAVE_ROWS_RL:
556  for (i = 0; i < s->nb_planes; i++) {
557  av_image_copy_plane(oleft->data[i] + out_off_left[i],
558  oleft->linesize[i] * s->row_step,
559  ileft->data[i] + in_off_left[i],
560  ileft->linesize[i] * s->row_step,
561  s->linesize[i], s->pheight[i]);
562  av_image_copy_plane(oright->data[i] + out_off_right[i],
563  oright->linesize[i] * s->row_step,
564  iright->data[i] + in_off_right[i],
565  iright->linesize[i] * s->row_step,
566  s->linesize[i], s->pheight[i]);
567  }
568  break;
569  case MONO_L:
570  iright = ileft;
571  case MONO_R:
572  for (i = 0; i < s->nb_planes; i++) {
573  av_image_copy_plane(out->data[i], out->linesize[i],
574  iright->data[i] + in_off_left[i],
575  iright->linesize[i],
576  s->linesize[i], s->pheight[i]);
577  }
578  break;
579  case ANAGLYPH_RB_GRAY:
580  case ANAGLYPH_RG_GRAY:
581  case ANAGLYPH_RC_GRAY:
582  case ANAGLYPH_RC_HALF:
583  case ANAGLYPH_RC_COLOR:
584  case ANAGLYPH_RC_DUBOIS:
585  case ANAGLYPH_GM_GRAY:
586  case ANAGLYPH_GM_HALF:
587  case ANAGLYPH_GM_COLOR:
588  case ANAGLYPH_GM_DUBOIS:
589  case ANAGLYPH_YB_GRAY:
590  case ANAGLYPH_YB_HALF:
591  case ANAGLYPH_YB_COLOR:
592  case ANAGLYPH_YB_DUBOIS: {
593  int x, y, il, ir, o;
594  const uint8_t *lsrc = ileft->data[0];
595  const uint8_t *rsrc = iright->data[0];
596  uint8_t *dst = out->data[0];
597  int out_width = s->out.width;
598  const int **ana_matrix = s->ana_matrix;
599 
600  for (y = 0; y < s->out.height; y++) {
601  o = out->linesize[0] * y;
602  il = in_off_left[0] + y * ileft->linesize[0];
603  ir = in_off_right[0] + y * iright->linesize[0];
604  for (x = 0; x < out_width; x++, il += 3, ir += 3, o+= 3) {
605  dst[o ] = ana_convert(ana_matrix[0], lsrc + il, rsrc + ir);
606  dst[o + 1] = ana_convert(ana_matrix[1], lsrc + il, rsrc + ir);
607  dst[o + 2] = ana_convert(ana_matrix[2], lsrc + il, rsrc + ir);
608  }
609  }
610  break;
611  }
612  default:
613  av_assert0(0);
614  }
615 
616  av_frame_free(&inpicref);
617  av_frame_free(&s->prev);
618  if (oright != oleft) {
619  if (s->out.format == ALTERNATING_LR)
620  FFSWAP(AVFrame *, oleft, oright);
621  oright->pts = outlink->frame_count * s->ts_unit;
622  ff_filter_frame(outlink, oright);
623  out = oleft;
624  oleft->pts = outlink->frame_count * s->ts_unit;
625  } else if (s->in.format == ALTERNATING_LR ||
626  s->in.format == ALTERNATING_RL) {
627  out->pts = outlink->frame_count * s->ts_unit;
628  }
629  return ff_filter_frame(outlink, out);
630 }
631 
632 static av_cold void uninit(AVFilterContext *ctx)
633 {
634  Stereo3DContext *s = ctx->priv;
635 
636  av_frame_free(&s->prev);
637 }
638 
639 static const AVFilterPad stereo3d_inputs[] = {
640  {
641  .name = "default",
642  .type = AVMEDIA_TYPE_VIDEO,
643  .filter_frame = filter_frame,
644  },
645  { NULL }
646 };
647 
648 static const AVFilterPad stereo3d_outputs[] = {
649  {
650  .name = "default",
651  .type = AVMEDIA_TYPE_VIDEO,
652  .config_props = config_output,
653  },
654  { NULL }
655 };
656 
658  .name = "stereo3d",
659  .description = NULL_IF_CONFIG_SMALL("Convert video stereoscopic 3D view."),
660  .priv_size = sizeof(Stereo3DContext),
661  .uninit = uninit,
663  .inputs = stereo3d_inputs,
664  .outputs = stereo3d_outputs,
665  .priv_class = &stereo3d_class,
666 };
#define NULL
Definition: coverity.c:32
planar YUV 4:2:2, 18bpp, (1 Cr & Cb sample per 2x1 Y samples), big-endian
Definition: pixfmt.h:166
const char * s
Definition: avisynth_c.h:631
planar YUV 4:4:4,42bpp, (1 Cr & Cb sample per 1x1 Y samples), big-endian
Definition: pixfmt.h:281
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
Definition: error.h:59
planar YUV 4:2:0,21bpp, (1 Cr & Cb sample per 2x2 Y samples), little-endian
Definition: pixfmt.h:274
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
Definition: pixdesc.c:2090
This structure describes decoded (raw) audio or video data.
Definition: frame.h:171
StereoComponent in
Definition: vf_stereo3d.c:134
AVOption.
Definition: opt.h:255
planar YUV 4:2:2,28bpp, (1 Cr & Cb sample per 2x1 Y samples), little-endian
Definition: pixfmt.h:278
planar YUV 4:2:0, 15bpp, (1 Cr & Cb sample per 2x2 Y samples), little-endian
Definition: pixfmt.h:159
packed RGBA 16:16:16:16, 64bpp, 16B, 16G, 16R, 16A, the 2-byte value for each R/G/B/A component is st...
Definition: pixfmt.h:262
planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples)
Definition: pixfmt.h:68
misc image utilities
static const AVFilterPad outputs[]
Definition: af_ashowinfo.c:248
int av_pix_fmt_count_planes(enum AVPixelFormat pix_fmt)
Definition: pixdesc.c:2130
Main libavfilter public API header.
packed RGB 8:8:8, 24bpp, RGBRGB...
Definition: pixfmt.h:65
int format
StereoCode.
Definition: vf_stereo3d.c:66
planar YUV 4:4:4, 27bpp, (1 Cr & Cb sample per 1x1 Y samples), big-endian
Definition: pixfmt.h:162
planar YUV 4:4:4,36bpp, (1 Cr & Cb sample per 1x1 Y samples), big-endian
Definition: pixfmt.h:279
planar GBR 4:4:4 24bpp
Definition: pixfmt.h:176
int num
numerator
Definition: rational.h:44
packed RGBA 16:16:16:16, 64bpp, 16B, 16G, 16R, 16A, the 2-byte value for each R/G/B/A component is st...
Definition: pixfmt.h:261
planar YUV 4:4:4 40bpp, (1 Cr & Cb sample per 1x1 Y & A samples, little-endian)
Definition: pixfmt.h:203
planar GBR 4:4:4 36bpp, little-endian
Definition: pixfmt.h:284
The following 12 formats have the disadvantage of needing 1 format for each bit depth.
Definition: pixfmt.h:156
AVFILTER_DEFINE_CLASS(stereo3d)
packed BGR 8:8:8, 32bpp, XBGRXBGR... X=unused/undefined
Definition: pixfmt.h:266
AVFrame * ff_get_video_buffer(AVFilterLink *link, int w, int h)
Request a picture buffer with a specific set of permissions.
Definition: video.c:109
planar GBR 4:4:4 36bpp, big-endian
Definition: pixfmt.h:283
planar YUV 4:2:0, 24bpp, (1 Cr & Cb sample per 2x2 Y samples), little-endian
Definition: pixfmt.h:128
uint8_t log2_chroma_w
Amount to shift the luma width right to find the chroma width.
Definition: pixdesc.h:80
static uint8_t ana_convert(const int *coeff, const uint8_t *left, const uint8_t *right)
Definition: vf_stereo3d.c:477
AVFilterFormats * ff_make_format_list(const int *fmts)
Create a list of supported formats.
Definition: formats.c:283
AVFilter ff_vf_stereo3d
Definition: vf_stereo3d.c:657
void av_image_fill_max_pixsteps(int max_pixsteps[4], int max_pixstep_comps[4], const AVPixFmtDescriptor *pixdesc)
Compute the max pixel step for each plane of an image with a format described by pixdesc.
Definition: imgutils.c:34
const char * name
Pad name.
Definition: internal.h:67
planar YUV 4:2:0 22.5bpp, (1 Cr & Cb sample per 2x2 Y & A samples), little-endian ...
Definition: pixfmt.h:193
AVFilterLink ** inputs
array of pointers to input links
Definition: avfilter.h:641
#define av_assert0(cond)
assert() equivalent, that is always enabled.
Definition: avassert.h:37
planar YUV 4:2:0 40bpp, (1 Cr & Cb sample per 2x2 Y & A samples, big-endian)
Definition: pixfmt.h:204
int ff_filter_frame(AVFilterLink *link, AVFrame *frame)
Send a frame of data to the next filter.
Definition: avfilter.c:1145
planar YUV 4:2:0, 20bpp, (1 Cr & Cb sample per 2x2 Y & A samples)
Definition: pixfmt.h:103
StereoComponent out
Definition: vf_stereo3d.c:134
uint8_t
#define av_cold
Definition: attributes.h:74
packed RGB 8:8:8, 32bpp, RGBXRGBX... X=unused/undefined
Definition: pixfmt.h:265
AVOptions.
packed RGB 16:16:16, 48bpp, 16R, 16G, 16B, the 2-byte value for each R/G/B component is stored as lit...
Definition: pixfmt.h:112
packed RGBA 16:16:16:16, 64bpp, 16R, 16G, 16B, 16A, the 2-byte value for each R/G/B/A component is st...
Definition: pixfmt.h:259
planar YUV 4:4:4,36bpp, (1 Cr & Cb sample per 1x1 Y samples), little-endian
Definition: pixfmt.h:280
int64_t pts
Presentation timestamp in time_base units (time when frame should be shown to user).
Definition: frame.h:257
packed ABGR 8:8:8:8, 32bpp, ABGRABGR...
Definition: pixfmt.h:96
planar YUV 4:2:0 40bpp, (1 Cr & Cb sample per 2x2 Y & A samples, little-endian)
Definition: pixfmt.h:205
static const AVFilterPad stereo3d_outputs[]
Definition: vf_stereo3d.c:648
static double av_q2d(AVRational a)
Convert rational to double.
Definition: rational.h:80
planar GBR 4:4:4 48bpp, big-endian
Definition: pixfmt.h:181
planar YUV 4:4:0 full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV440P and setting color_range...
Definition: pixfmt.h:102
AVRational av_mul_q(AVRational b, AVRational c)
Multiply two rationals.
Definition: rational.c:80
planar YUV 4:2:2, 16bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV422P and setting col...
Definition: pixfmt.h:76
planar YUV 4:4:4 64bpp, (1 Cr & Cb sample per 1x1 Y & A samples, big-endian)
Definition: pixfmt.h:208
#define av_log(a,...)
A filter pad used for either input or output.
Definition: internal.h:61
planar YUV 4:2:0, 13.5bpp, (1 Cr & Cb sample per 2x2 Y samples), little-endian
Definition: pixfmt.h:157
planar GBR 4:4:4 27bpp, big-endian
Definition: pixfmt.h:177
planar YUV 4:4:4, 30bpp, (1 Cr & Cb sample per 1x1 Y samples), little-endian
Definition: pixfmt.h:165
static av_cold void uninit(AVFilterContext *ctx)
Definition: vf_stereo3d.c:632
planar YUV 4:2:2 24bpp, (1 Cr & Cb sample per 2x1 Y & A samples)
Definition: pixfmt.h:269
#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:542
uint8_t log2_chroma_h
Amount to shift the luma height right to find the chroma height.
Definition: pixdesc.h:89
planar YUV 4:4:4, 48bpp, (1 Cr & Cb sample per 1x1 Y samples), big-endian
Definition: pixfmt.h:133
#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:148
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:175
packed BGRA 8:8:8:8, 32bpp, BGRABGRA...
Definition: pixfmt.h:97
void * priv
private data for use by the filter
Definition: avfilter.h:654
planar YUV 4:4:4 36bpp, (1 Cr & Cb sample per 1x1 Y & A samples), big-endian
Definition: pixfmt.h:196
planar YUV 4:2:2, 20bpp, (1 Cr & Cb sample per 2x1 Y samples), little-endian
Definition: pixfmt.h:161
simple assert() macros that are a bit more flexible than ISO C assert().
planar YUV 4:2:2,28bpp, (1 Cr & Cb sample per 2x1 Y samples), big-endian
Definition: pixfmt.h:277
planar YUV 4:2:2, 32bpp, (1 Cr & Cb sample per 2x1 Y samples), big-endian
Definition: pixfmt.h:131
AVFrame * prev
Definition: vf_stereo3d.c:143
planar YUV 4:4:4 36bpp, (1 Cr & Cb sample per 1x1 Y & A samples), little-endian
Definition: pixfmt.h:197
#define FLAGS
Definition: vf_stereo3d.c:148
packed ARGB 8:8:8:8, 32bpp, ARGBARGB...
Definition: pixfmt.h:94
packed RGB 16:16:16, 48bpp, 16B, 16G, 16R, the 2-byte value for each R/G/B component is stored as lit...
Definition: pixfmt.h:149
packed RGBA 8:8:8:8, 32bpp, RGBARGBA...
Definition: pixfmt.h:95
planar YUV 4:2:0 25bpp, (1 Cr & Cb sample per 2x2 Y & A samples, big-endian)
Definition: pixfmt.h:198
planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
Definition: pixfmt.h:67
#define OFFSET(x)
Definition: vf_stereo3d.c:147
float y
planar YUV 4:2:0, 12bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV420P and setting col...
Definition: pixfmt.h:75
ret
Definition: avfilter.c:974
static const AVFilterPad stereo3d_inputs[]
Definition: vf_stereo3d.c:639
#define FF_CEIL_RSHIFT(a, b)
Definition: common.h:57
planar YUV 4:4:4 40bpp, (1 Cr & Cb sample per 1x1 Y & A samples, big-endian)
Definition: pixfmt.h:202
planar YUV 4:2:2 27bpp, (1 Cr & Cb sample per 2x1 Y & A samples), big-endian
Definition: pixfmt.h:194
packed RGB 8:8:8, 24bpp, BGRBGR...
Definition: pixfmt.h:66
planar YUV 4:2:0,18bpp, (1 Cr & Cb sample per 2x2 Y samples), little-endian
Definition: pixfmt.h:272
planar YUV 4:2:0, 15bpp, (1 Cr & Cb sample per 2x2 Y samples), big-endian
Definition: pixfmt.h:158
planar YUV 4:2:2, 18bpp, (1 Cr & Cb sample per 2x1 Y samples), little-endian
Definition: pixfmt.h:167
packed RGB 16:16:16, 48bpp, 16B, 16G, 16R, the 2-byte value for each R/G/B component is stored as big...
Definition: pixfmt.h:148
int ff_fill_rgba_map(uint8_t *rgba_map, enum AVPixelFormat pix_fmt)
Definition: drawutils.c:33
static enum AVPixelFormat other_pix_fmts[]
Definition: vf_stereo3d.c:201
static const AVOption stereo3d_options[]
Definition: vf_stereo3d.c:150
planar YUV 4:2:0, 24bpp, (1 Cr & Cb sample per 2x2 Y samples), big-endian
Definition: pixfmt.h:129
misc drawing utilities
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
Definition: frame.h:199
planar YUV 4:4:4 32bpp, (1 Cr & Cb sample per 1x1 Y & A samples)
Definition: pixfmt.h:268
Descriptor that unambiguously describes how the bits of a pixel are stored in the up to 4 data planes...
Definition: pixdesc.h:69
planar GBR 4:4:4 30bpp, big-endian
Definition: pixfmt.h:179
planar YUV 4:2:2 48bpp, (1 Cr & Cb sample per 2x1 Y & A samples, big-endian)
Definition: pixfmt.h:206
static enum AVPixelFormat anaglyph_pix_fmts[]
Definition: vf_stereo3d.c:196
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
planar GBR 4:4:4 42bpp, little-endian
Definition: pixfmt.h:286
planar YUV 4:1:0, 9bpp, (1 Cr & Cb sample per 4x4 Y samples)
Definition: pixfmt.h:69
planar YUV 4:2:2 48bpp, (1 Cr & Cb sample per 2x1 Y & A samples, little-endian)
Definition: pixfmt.h:207
Describe the class of an AVClass context structure.
Definition: log.h:67
Filter definition.
Definition: avfilter.h:470
int av_image_fill_linesizes(int linesizes[4], enum AVPixelFormat pix_fmt, int width)
Fill plane linesizes for an image with pixel format pix_fmt and width width.
Definition: imgutils.c:88
planar YUV 4:4:4 64bpp, (1 Cr & Cb sample per 1x1 Y & A samples, little-endian)
Definition: pixfmt.h:209
static const AVFilterPad inputs[]
Definition: af_ashowinfo.c:239
rational number numerator/denominator
Definition: rational.h:43
planar YUV 4:2:0,21bpp, (1 Cr & Cb sample per 2x2 Y samples), big-endian
Definition: pixfmt.h:273
static int config_output(AVFilterLink *outlink)
Definition: vf_stereo3d.c:288
const int * ana_matrix[3]
Definition: vf_stereo3d.c:137
packed BGR 8:8:8, 32bpp, BGRXBGRX... X=unused/undefined
Definition: pixfmt.h:267
const char * name
Filter name.
Definition: avfilter.h:474
planar GBR 4:4:4 42bpp, big-endian
Definition: pixfmt.h:285
planar YUV 4:2:0 22.5bpp, (1 Cr & Cb sample per 2x2 Y & A samples), big-endian
Definition: pixfmt.h:192
misc parsing utilities
AVFilterLink ** outputs
array of pointers to output links
Definition: avfilter.h:648
static int query_formats(AVFilterContext *ctx)
Definition: vf_stereo3d.c:255
planar YUV 4:2:2 30bpp, (1 Cr & Cb sample per 2x1 Y & A samples, little-endian)
Definition: pixfmt.h:201
static av_always_inline AVRational av_inv_q(AVRational q)
Invert a rational.
Definition: rational.h:133
Frame requests may need to loop in order to be fulfilled.
Definition: internal.h:359
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition: frame.h:182
planar YUV 4:4:4, 27bpp, (1 Cr & Cb sample per 1x1 Y samples), little-endian
Definition: pixfmt.h:163
planar YUV 4:4:4, 48bpp, (1 Cr & Cb sample per 1x1 Y samples), little-endian
Definition: pixfmt.h:132
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
Definition: pixfmt.h:63
planar YUV 4:2:2,24bpp, (1 Cr & Cb sample per 2x1 Y samples), little-endian
Definition: pixfmt.h:276
planar GBR 4:4:4 27bpp, little-endian
Definition: pixfmt.h:178
packed RGB 16:16:16, 48bpp, 16R, 16G, 16B, the 2-byte value for each R/G/B component is stored as big...
Definition: pixfmt.h:111
planar YUV 4:2:2, 32bpp, (1 Cr & Cb sample per 2x1 Y samples), little-endian
Definition: pixfmt.h:130
planar YUV 4:4:4, 24bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV444P and setting col...
Definition: pixfmt.h:77
planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples)
Definition: pixfmt.h:70
int den
denominator
Definition: rational.h:45
planar YUV 4:2:0 25bpp, (1 Cr & Cb sample per 2x2 Y & A samples, little-endian)
Definition: pixfmt.h:199
static int filter_frame(AVFilterLink *inlink, AVFrame *inpicref)
Definition: vf_stereo3d.c:488
static const int ana_coeff[][3][6]
Definition: vf_stereo3d.c:73
planar YUV 4:4:4,42bpp, (1 Cr & Cb sample per 1x1 Y samples), little-endian
Definition: pixfmt.h:282
A list of supported formats for one end of a filter link.
Definition: formats.h:64
static const double coeff[2][5]
Definition: vf_owdenoise.c:71
planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples) full scale (JPEG), deprecated in favor ...
Definition: pixfmt.h:290
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-> out
An instance of a filter.
Definition: avfilter.h:633
planar YUV 4:2:2 30bpp, (1 Cr & Cb sample per 2x1 Y & A samples, big-endian)
Definition: pixfmt.h:200
planar YUV 4:4:0 (1 Cr & Cb sample per 1x2 Y samples)
Definition: pixfmt.h:101
planar GBR 4:4:4 48bpp, little-endian
Definition: pixfmt.h:182
#define FFSWAP(type, a, b)
Definition: common.h:69
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:273
planar YUV 4:2:2 27bpp, (1 Cr & Cb sample per 2x1 Y & A samples), little-endian
Definition: pixfmt.h:195
internal API functions
packed RGB 8:8:8, 32bpp, XRGBXRGB... X=unused/undefined
Definition: pixfmt.h:264
AVPixelFormat
Pixel format.
Definition: pixfmt.h:61
StereoCode
Definition: vf_stereo3d.c:33
planar YUV 4:2:0,18bpp, (1 Cr & Cb sample per 2x2 Y samples), big-endian
Definition: pixfmt.h:271
planar YUV 4:4:4, 30bpp, (1 Cr & Cb sample per 1x1 Y samples), big-endian
Definition: pixfmt.h:164
planar YUV 4:2:2,24bpp, (1 Cr & Cb sample per 2x1 Y samples), big-endian
Definition: pixfmt.h:275
int av_frame_copy_props(AVFrame *dst, const AVFrame *src)
Copy only "metadata" fields from src to dst.
Definition: frame.c:548
planar GBR 4:4:4 30bpp, little-endian
Definition: pixfmt.h:180
packed RGBA 16:16:16:16, 64bpp, 16R, 16G, 16B, 16A, the 2-byte value for each R/G/B/A component is st...
Definition: pixfmt.h:260
#define tb
Definition: regdef.h:68
planar YUV 4:2:2, 20bpp, (1 Cr & Cb sample per 2x1 Y samples), big-endian
Definition: pixfmt.h:160