FFmpeg coverage

Directory: ../../../ffmpeg/
File: src/libavfilter/formats.c
Date: 2026-09-21 03:55:38
Exec Total Coverage
Lines: 348 444 78.4%
Functions: 70 93 75.3%
Branches: 492 694 70.9%
Line Branch Exec Source
1 /*
2 * Filter layer - format negotiation
3 * Copyright (c) 2007 Bobby Bingham
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 Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 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 GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along 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/attributes.h"
23 #include "libavutil/avassert.h"
24 #include "libavutil/bprint.h"
25 #include "libavutil/channel_layout.h"
26 #include "libavutil/common.h"
27 #include "libavutil/mem.h"
28 #include "libavutil/pixdesc.h"
29 #include "avfilter.h"
30 #include "filters.h"
31 #include "formats.h"
32
33 /**
34 * Add all refs from a to ret and destroy a.
35 */
36 #define MERGE_REF(ret, a, fmts, type, fail_statement) \
37 do { \
38 type ***tmp; \
39 int i; \
40 \
41 if (!(tmp = av_realloc_array(ret->refs, ret->refcount + a->refcount, \
42 sizeof(*tmp)))) \
43 { fail_statement } \
44 ret->refs = tmp; \
45 \
46 for (i = 0; i < a->refcount; i ++) { \
47 ret->refs[ret->refcount] = a->refs[i]; \
48 *ret->refs[ret->refcount++] = ret; \
49 } \
50 \
51 av_freep(&a->refs); \
52 av_freep(&a->fmts); \
53 av_freep(&a); \
54 } while (0)
55
56 /**
57 * Add all formats common to a and b to a, add b's refs to a and destroy b.
58 * If check is set, nothing is modified and it is only checked whether
59 * the formats are compatible.
60 * If empty_allowed is set and one of a,b->nb is zero, the lists are
61 * merged; otherwise, 0 (for nonmergeability) is returned.
62 */
63 #define MERGE_FORMATS(a, b, fmts, nb, type, check, empty_allowed) \
64 do { \
65 int i, j, k = 0, skip = 0; \
66 \
67 if (empty_allowed) { \
68 if (!a->nb || !b->nb) { \
69 if (check) \
70 return 1; \
71 if (!a->nb) \
72 FFSWAP(type *, a, b); \
73 skip = 1; \
74 } \
75 } \
76 if (!skip) { \
77 for (i = 0; i < a->nb; i++) \
78 for (j = 0; j < b->nb; j++) \
79 if (a->fmts[i] == b->fmts[j]) { \
80 if (check) \
81 return 1; \
82 a->fmts[k++] = a->fmts[i]; \
83 break; \
84 } \
85 /* Check that there was at least one common format. \
86 * Notice that both a and b are unchanged if not. */ \
87 if (!k) \
88 return 0; \
89 av_assert2(!check); \
90 a->nb = k; \
91 } \
92 \
93 MERGE_REF(a, b, fmts, type, return AVERROR(ENOMEM);); \
94 } while (0)
95
96 73788 static int merge_formats_internal(AVFilterFormats *a, AVFilterFormats *b,
97 enum AVMediaType type, int check)
98 {
99 int i, j;
100 73788 int alpha1=0, alpha2=0;
101 73788 int chroma1=0, chroma2=0;
102
103 av_assert2(check || (a->refcount && b->refcount));
104
105
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 73788 if (a == b)
106 ✗ return 1;
107
108 /* Do not lose chroma or alpha in merging.
109 It happens if both lists have formats with chroma (resp. alpha), but
110 the only formats in common do not have it (e.g. YUV+gray vs.
111 RGB+gray): in that case, the merging would select the gray format,
112 possibly causing a lossy conversion elsewhere in the graph.
113 To avoid that, pretend that there are no common formats to force the
114 insertion of a conversion filter. */
115
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 73788 if (type == AVMEDIA_TYPE_VIDEO)
116
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 3476244 for (i = 0; i < a->nb_formats; i++) {
117 3414522 const AVPixFmtDescriptor *const adesc = av_pix_fmt_desc_get(a->formats[i]);
118
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 205611379 for (j = 0; j < b->nb_formats; j++) {
119 202196857 const AVPixFmtDescriptor *bdesc = av_pix_fmt_desc_get(b->formats[j]);
120 202196857 alpha2 |= adesc->flags & bdesc->flags & AV_PIX_FMT_FLAG_ALPHA;
121
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 202196857 chroma2|= adesc->nb_components > 1 && bdesc->nb_components > 1;
122
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 202196857 if (a->formats[i] == b->formats[j]) {
123 772151 alpha1 |= adesc->flags & AV_PIX_FMT_FLAG_ALPHA;
124 772151 chroma1|= adesc->nb_components > 1;
125 }
126 }
127 }
128
129 // If chroma or alpha can be lost through merging then do not merge
130
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 73788 if (alpha2 > alpha1 || chroma2 > chroma1)
131 582 return 0;
132
133
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 53806889 MERGE_FORMATS(a, b, formats, nb_formats, AVFilterFormats, check, 0);
134
135 37561 return 1;
136 }
137
138
139 /**
140 * Check the formats lists for compatibility for merging without actually
141 * merging.
142 *
143 * @return 1 if they are compatible, 0 if not.
144 */
145 30545 static int can_merge_pix_fmts(const void *a, const void *b)
146 {
147 30545 return merge_formats_internal((AVFilterFormats *)a,
148 (AVFilterFormats *)b, AVMEDIA_TYPE_VIDEO, 1);
149 }
150
151 /**
152 * Merge the formats lists if they are compatible and update all the
153 * references of a and b to point to the combined list and free the old
154 * lists as needed. The combined list usually contains the intersection of
155 * the lists of a and b.
156 *
157 * Both a and b must have owners (i.e. refcount > 0) for these functions.
158 *
159 * @return 1 if merging succeeded, 0 if a and b are incompatible
160 * and negative AVERROR code on failure.
161 * a and b are unmodified if 0 is returned.
162 */
163 31177 static int merge_pix_fmts(void *a, void *b)
164 {
165 31177 return merge_formats_internal(a, b, AVMEDIA_TYPE_VIDEO, 0);
166 }
167
168 /**
169 * See can_merge_pix_fmts().
170 */
171 5682 static int can_merge_sample_fmts(const void *a, const void *b)
172 {
173 5682 return merge_formats_internal((AVFilterFormats *)a,
174 (AVFilterFormats *)b, AVMEDIA_TYPE_AUDIO, 1);
175 }
176
177 /**
178 * See merge_pix_fmts().
179 */
180 6384 static int merge_sample_fmts(void *a, void *b)
181 {
182 6384 return merge_formats_internal(a, b, AVMEDIA_TYPE_AUDIO, 0);
183 }
184
185 12066 static int merge_samplerates_internal(AVFilterFormats *a,
186 AVFilterFormats *b, int check)
187 {
188 av_assert2(check || (a->refcount && b->refcount));
189
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 12066 if (a == b) return 1;
190
191
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 39598 MERGE_FORMATS(a, b, formats, nb_formats, AVFilterFormats, check, 1);
192 6384 return 1;
193 }
194
195 /**
196 * See can_merge_pix_fmts().
197 */
198 5682 static int can_merge_samplerates(const void *a, const void *b)
199 {
200 5682 return merge_samplerates_internal((AVFilterFormats *)a, (AVFilterFormats *)b, 1);
201 }
202
203 /**
204 * See merge_pix_fmts().
205 */
206 6384 static int merge_samplerates(void *a, void *b)
207 {
208 6384 return merge_samplerates_internal(a, b, 0);
209 }
210
211 /**
212 * See merge_pix_fmts().
213 */
214 7176 static int merge_channel_layouts_internal(AVFilterChannelLayouts *a,
215 AVFilterChannelLayouts *b, int check)
216 {
217 7176 AVChannelLayout *channel_layouts = NULL;
218 7176 unsigned a_all = a->all_layouts + a->all_counts;
219 7176 unsigned b_all = b->all_layouts + b->all_counts;
220 7176 int ret_max, ret_nb = 0, i, j, round;
221
222 av_assert2(a->refcount && b->refcount);
223
224
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 7176 if (a == b) return 1;
225
226 /* Put the most generic set in a, to avoid doing everything twice */
227
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 7176 if (a_all < b_all) {
228 3650 FFSWAP(AVFilterChannelLayouts *, a, b);
229 3650 FFSWAP(unsigned, a_all, b_all);
230 }
231
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 7176 if (a_all) {
232
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 6935 if (a_all == 1 && !b_all) {
233 /* keep only known layouts in b; works also for b_all = 1 */
234
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 140 for (i = j = 0; i < b->nb_channel_layouts; i++)
235
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 70 if (KNOWN(&b->channel_layouts[i]) && i != j++) {
236 ✗ if (check)
237 ✗ return 1;
238 ✗ av_channel_layout_copy(&b->channel_layouts[j], &b->channel_layouts[i]);
239 }
240 /* Not optimal: the unknown layouts of b may become known after
241 another merge. */
242
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 70 if (!j)
243 ✗ return 0;
244 70 b->nb_channel_layouts = j;
245 }
246
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 18949 MERGE_REF(b, a, channel_layouts, AVFilterChannelLayouts, return AVERROR(ENOMEM););
247 6935 return 1;
248 }
249
250 241 ret_max = a->nb_channel_layouts + b->nb_channel_layouts;
251
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 241 if (!check && !(channel_layouts = av_calloc(ret_max, sizeof(*channel_layouts))))
252 ✗ return AVERROR(ENOMEM);
253
254 /* a[known] intersect b[known] */
255
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 340 for (i = 0; i < a->nb_channel_layouts; i++) {
256
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 241 if (!KNOWN(&a->channel_layouts[i]))
257 3 continue;
258
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 411 for (j = 0; j < b->nb_channel_layouts; j++) {
259
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 404 if (!av_channel_layout_compare(&a->channel_layouts[i], &b->channel_layouts[j])) {
260
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 231 if (check)
261 142 return 1;
262 89 av_channel_layout_copy(&channel_layouts[ret_nb++], &a->channel_layouts[i]);
263 89 av_channel_layout_uninit(&a->channel_layouts[i]);
264 89 av_channel_layout_uninit(&b->channel_layouts[j]);
265 89 break;
266 }
267 }
268 }
269 /* 1st round: a[known] intersect b[generic]
270 2nd round: a[generic] intersect b[known] */
271
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 296 for (round = 0; round < 2; round++) {
272
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 530 for (i = 0; i < a->nb_channel_layouts; i++) {
273 333 AVChannelLayout *fmt = &a->channel_layouts[i], bfmt = { 0 };
274
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 333 if (!av_channel_layout_check(fmt) || !KNOWN(fmt))
275 183 continue;
276 150 bfmt = FF_COUNT2LAYOUT(fmt->nb_channels);
277
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 299 for (j = 0; j < b->nb_channel_layouts; j++)
278
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 150 if (!av_channel_layout_compare(&b->channel_layouts[j], &bfmt)) {
279
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280 1 return 1;
281 ✗ av_channel_layout_copy(&channel_layouts[ret_nb++], fmt);
282 }
283 }
284 /* 1st round: swap to prepare 2nd round; 2nd round: put it back */
285 197 FFSWAP(AVFilterChannelLayouts *, a, b);
286 }
287 /* a[generic] intersect b[generic] */
288
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 195 for (i = 0; i < a->nb_channel_layouts; i++) {
289
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 98 if (KNOWN(&a->channel_layouts[i]))
290 96 continue;
291
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292
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293
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 2 if (check)
294 1 return 1;
295 1 av_channel_layout_copy(&channel_layouts[ret_nb++], &a->channel_layouts[i]);
296 }
297 }
298
299
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 97 if (!ret_nb) {
300 7 av_free(channel_layouts);
301 7 return 0;
302 }
303
304
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 90 if (a->refcount > b->refcount)
305 21 FFSWAP(AVFilterChannelLayouts *, a, b);
306
307
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 268 MERGE_REF(b, a, channel_layouts, AVFilterChannelLayouts,
308 { av_free(channel_layouts); return AVERROR(ENOMEM); });
309 90 av_freep(&b->channel_layouts);
310 90 b->channel_layouts = channel_layouts;
311 90 b->nb_channel_layouts = ret_nb;
312 90 return 1;
313 }
314
315 5682 static int can_merge_channel_layouts(const void *a, const void *b)
316 {
317 5682 return merge_channel_layouts_internal((AVFilterChannelLayouts *)a,
318 (AVFilterChannelLayouts *)b, 1);
319 }
320
321 1494 static int merge_channel_layouts(void *a, void *b)
322 {
323 1494 return merge_channel_layouts_internal(a, b, 0);
324 }
325
326 186389 static int merge_generic_internal(AVFilterFormats *a,
327 AVFilterFormats *b, int check)
328 {
329 av_assert2(check || (a->refcount && b->refcount));
330
331
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 186389 if (a == b)
332 ✗ return 1;
333
334
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 2631846 MERGE_FORMATS(a, b, formats, nb_formats, AVFilterFormats, check, 0);
335
336 93513 return 1;
337 }
338
339 92876 static int can_merge_generic(const void *a, const void *b)
340 {
341 92876 return merge_generic_internal((AVFilterFormats *)a,
342 (AVFilterFormats *)b, 1);
343 }
344
345 93513 static int merge_generic(void *a, void *b)
346 {
347 93513 return merge_generic_internal(a, b, 0);
348 }
349
350 #define PRINT_NAME(type, type_name) \
351 static void print_##type_name(AVBPrint *bp, const void *fmtsp) \
352 { \
353 const AVFilterFormats *fmts = fmtsp; \
354 for (int i = 0; i < fmts->nb_formats; i++) { \
355 const char *name = av_##type_name(fmts->formats[i]); \
356 av_bprint_chars(bp, ' ', i ? 1 : 0); \
357 av_bprint_append_data(bp, name, name ? strlen(name) : 0); \
358 } \
359 }
360
361 ✗ PRINT_NAME(enum AVSampleFormat, get_sample_fmt_name)
362 ✗ PRINT_NAME(enum AVPixelFormat, get_pix_fmt_name)
363 ✗ PRINT_NAME(enum AVColorSpace, color_space_name)
364 ✗ PRINT_NAME(enum AVColorRange, color_range_name)
365 ✗ PRINT_NAME(enum AVAlphaMode, alpha_mode_name)
366
367 ✗ static void print_channel_layout_desc(AVBPrint *bp, const void *layoutsp)
368 {
369 ✗ const AVFilterChannelLayouts *layouts = layoutsp;
370 ✗ for (int i = 0; i < layouts->nb_channel_layouts; i++) {
371 ✗ av_bprint_chars(bp, ' ', i ? 1 : 0);
372 ✗ av_channel_layout_describe_bprint(&layouts->channel_layouts[i], bp);
373 }
374 ✗ }
375
376 ✗ static void print_sample_rate(AVBPrint *bp, const void *ratesp)
377 {
378 ✗ const AVFilterFormats *rates = ratesp;
379 ✗ for (int i = 0; i < rates->nb_formats; i++)
380 ✗ av_bprintf(bp, "%s%d", i ? " " : "", rates->formats[i]);
381 ✗ }
382
383 #define CONVERSION_FILTER_SWSCALE \
384 .conversion_filter = "scale", \
385 .conversion_opts_offset = offsetof(AVFilterGraph, scale_sws_opts),
386
387 #define CONVERSION_FILTER_ARESAMPLE \
388 .conversion_filter = "aresample", \
389 .conversion_opts_offset = offsetof(AVFilterGraph, aresample_swr_opts),
390
391 static const AVFilterFormatsMerger mergers_video[] = {
392 {
393 .name = "Pixel formats",
394 .offset = offsetof(AVFilterFormatsConfig, formats),
395 .merge = merge_pix_fmts,
396 .can_merge = can_merge_pix_fmts,
397 .print_list = print_get_pix_fmt_name,
398 CONVERSION_FILTER_SWSCALE
399 },
400 {
401 .name = "Color spaces",
402 .offset = offsetof(AVFilterFormatsConfig, color_spaces),
403 .merge = merge_generic,
404 .can_merge = can_merge_generic,
405 .print_list = print_color_space_name,
406 CONVERSION_FILTER_SWSCALE
407 },
408 {
409 .name = "Color ranges",
410 .offset = offsetof(AVFilterFormatsConfig, color_ranges),
411 .merge = merge_generic,
412 .can_merge = can_merge_generic,
413 .print_list = print_color_range_name,
414 CONVERSION_FILTER_SWSCALE
415 },
416 {
417 .name = "Alpha modes",
418 .offset = offsetof(AVFilterFormatsConfig, alpha_modes),
419 .merge = merge_generic,
420 .can_merge = can_merge_generic,
421 .print_list = print_alpha_mode_name,
422 .conversion_filter = "premultiply_dynamic",
423 },
424 };
425
426 static const AVFilterFormatsMerger mergers_audio[] = {
427 {
428 .name = "Channel layouts",
429 .offset = offsetof(AVFilterFormatsConfig, channel_layouts),
430 .merge = merge_channel_layouts,
431 .can_merge = can_merge_channel_layouts,
432 .print_list = print_channel_layout_desc,
433 CONVERSION_FILTER_ARESAMPLE
434 },
435 {
436 .name = "Sample rates",
437 .offset = offsetof(AVFilterFormatsConfig, samplerates),
438 .merge = merge_samplerates,
439 .can_merge = can_merge_samplerates,
440 .print_list = print_sample_rate,
441 CONVERSION_FILTER_ARESAMPLE
442 },
443 {
444 .name = "Sample formats",
445 .offset = offsetof(AVFilterFormatsConfig, formats),
446 .merge = merge_sample_fmts,
447 .can_merge = can_merge_sample_fmts,
448 .print_list = print_get_sample_fmt_name,
449 CONVERSION_FILTER_ARESAMPLE
450 },
451 };
452
453 static const AVFilterNegotiation negotiate_video = {
454 .nb_mergers = FF_ARRAY_ELEMS(mergers_video),
455 .mergers = mergers_video,
456 };
457
458 static const AVFilterNegotiation negotiate_audio = {
459 .nb_mergers = FF_ARRAY_ELEMS(mergers_audio),
460 .mergers = mergers_audio,
461 };
462
463 53228 const AVFilterNegotiation *ff_filter_get_negotiation(const AVFilterLink *link)
464 {
465
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 53228 switch (link->type) {
466 33151 case AVMEDIA_TYPE_VIDEO: return &negotiate_video;
467 20077 case AVMEDIA_TYPE_AUDIO: return &negotiate_audio;
468 ✗ default: return NULL;
469 }
470 }
471
472 194 int ff_pixfmt_is_in(enum AVPixelFormat fmt, const enum AVPixelFormat *fmts)
473 {
474
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 2292 for (; *fmts != AV_PIX_FMT_NONE; ++fmts) {
475
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 2185 if (fmt == *fmts)
476 87 return 1;
477 }
478 107 return 0;
479 }
480
481 #define MAKE_FORMAT_LIST(type, field, count_field) \
482 type *formats; \
483 int count = 0; \
484 if (fmts) \
485 for (count = 0; fmts[count] != -1; count++) \
486 ; \
487 formats = av_mallocz(sizeof(*formats)); \
488 if (!formats) \
489 return NULL; \
490 formats->count_field = count; \
491 if (count) { \
492 formats->field = av_malloc_array(count, sizeof(*formats->field)); \
493 if (!formats->field) { \
494 av_freep(&formats); \
495 return NULL; \
496 } \
497 }
498
499 #define MAKE_FORMAT_LIST_TYPE(name, type) \
500 AVFilterFormats *ff_make_ ## name ## _list(const type* fmts) \
501 { \
502 MAKE_FORMAT_LIST(AVFilterFormats, formats, nb_formats); \
503 while (count--) \
504 formats->formats[count] = (int)fmts[count]; \
505 return formats; \
506 }
507
508
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 4105 MAKE_FORMAT_LIST_TYPE(format, int)
509
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 6773 MAKE_FORMAT_LIST_TYPE(sample_format, enum AVSampleFormat)
510
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 94768 MAKE_FORMAT_LIST_TYPE(pixel_format, enum AVPixelFormat)
511
512 252 AVFilterChannelLayouts *ff_make_channel_layout_list(const AVChannelLayout *fmts)
513 {
514 AVFilterChannelLayouts *ch_layouts;
515 252 int count = 0;
516
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 252 if (fmts)
517
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 971 for (count = 0; fmts[count].nb_channels; count++)
518 ;
519 252 ch_layouts = av_mallocz(sizeof(*ch_layouts));
520
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 252 if (!ch_layouts)
521 ✗ return NULL;
522 252 ch_layouts->nb_channel_layouts = count;
523
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 252 if (count) {
524 504 ch_layouts->channel_layouts =
525 252 av_calloc(count, sizeof(*ch_layouts->channel_layouts));
526
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 252 if (!ch_layouts->channel_layouts) {
527 ✗ av_freep(&ch_layouts);
528 ✗ return NULL;
529 }
530
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 971 for (int i = 0; i < count; i++) {
531 719 int ret = av_channel_layout_copy(&ch_layouts->channel_layouts[i], &fmts[i]);
532
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 719 if (ret < 0)
533 ✗ goto fail;
534 }
535 }
536
537 252 return ch_layouts;
538
539 ✗ fail:
540 ✗ for (int i = 0; i < count; i++)
541 ✗ av_channel_layout_uninit(&ch_layouts->channel_layouts[i]);
542 ✗ av_free(ch_layouts->channel_layouts);
543 ✗ av_freep(&ch_layouts);
544
545 ✗ return NULL;
546 }
547
548 #define ADD_FORMAT(f, fmt, unref_fn, type, list, nb) \
549 do { \
550 type *fmts; \
551 \
552 if (!(*f) && !(*f = av_mallocz(sizeof(**f)))) { \
553 return AVERROR(ENOMEM); \
554 } \
555 \
556 fmts = av_realloc_array((*f)->list, (*f)->nb + 1, \
557 sizeof(*(*f)->list)); \
558 if (!fmts) { \
559 unref_fn(f); \
560 return AVERROR(ENOMEM); \
561 } \
562 \
563 (*f)->list = fmts; \
564 ASSIGN_FMT(f, fmt, list, nb); \
565 } while (0)
566
567 #define ASSIGN_FMT(f, fmt, list, nb) \
568 do { \
569 (*f)->list[(*f)->nb++] = fmt; \
570 } while (0)
571
572 4572223 int ff_add_format(AVFilterFormats **avff, int64_t fmt)
573 {
574
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 4572223 ADD_FORMAT(avff, fmt, ff_formats_unref, int, formats, nb_formats);
575 4572223 return 0;
576 }
577
578 #undef ASSIGN_FMT
579 #define ASSIGN_FMT(f, fmt, list, nb) \
580 do { \
581 int ret; \
582 memset((*f)->list + (*f)->nb, 0, sizeof(*(*f)->list)); \
583 ret = av_channel_layout_copy(&(*f)->list[(*f)->nb], fmt); \
584 if (ret < 0) \
585 return ret; \
586 (*f)->nb++; \
587 } while (0)
588
589 2411 int ff_add_channel_layout(AVFilterChannelLayouts **l,
590 const AVChannelLayout *channel_layout)
591 {
592 av_assert1(!(*l && (*l)->all_layouts));
593
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 2411 ADD_FORMAT(l, channel_layout, ff_channel_layouts_unref, AVChannelLayout, channel_layouts, nb_channel_layouts);
594 2411 return 0;
595 }
596
597 74 AVFilterFormats *ff_make_formats_list_singleton(int fmt)
598 {
599 74 int fmts[2] = { fmt, -1 };
600 74 return ff_make_format_list(fmts);
601 }
602
603 47593 AVFilterFormats *ff_all_formats(enum AVMediaType type)
604 {
605 47593 AVFilterFormats *ret = NULL;
606
607
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 47593 if (type == AVMEDIA_TYPE_VIDEO) {
608 36693 return ff_formats_pixdesc_filter(0, 0);
609
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 10900 } else if (type == AVMEDIA_TYPE_AUDIO) {
610 10900 enum AVSampleFormat fmt = 0;
611
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 152600 while (av_get_sample_fmt_name(fmt)) {
612
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 141700 if (ff_add_format(&ret, fmt) < 0)
613 ✗ return NULL;
614 141700 fmt++;
615 }
616 }
617
618 10900 return ret;
619 }
620
621 37345 AVFilterFormats *ff_formats_pixdesc_filter(unsigned want, unsigned rej)
622 {
623 unsigned nb_formats, fmt, flags;
624 37345 AVFilterFormats *formats = NULL;
625
626 while (1) {
627 74690 nb_formats = 0;
628 20091610 for (fmt = 0;; fmt++) {
629 20091610 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(fmt);
630
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 20091610 if (!desc)
631 74690 break;
632 20016920 flags = desc->flags;
633
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 20016920 if (!(desc->flags & AV_PIX_FMT_FLAG_HWACCEL) &&
634
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 18747190 !(desc->flags & AV_PIX_FMT_FLAG_PLANAR) &&
635
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 8813420 (desc->log2_chroma_w || desc->log2_chroma_h))
636 746900 flags |= FF_PIX_FMT_FLAG_SW_FLAT_SUB;
637
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 20016920 if ((flags & (want | rej)) != want)
638 22540 continue;
639
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 19994380 if (formats)
640 9997190 formats->formats[nb_formats] = fmt;
641 19994380 nb_formats++;
642 }
643
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644
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 37345 av_assert0(formats->nb_formats == nb_formats);
645 37345 return formats;
646 }
647 37345 formats = av_mallocz(sizeof(*formats));
648
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 37345 if (!formats)
649 ✗ return NULL;
650 37345 formats->nb_formats = nb_formats;
651
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 37345 if (nb_formats) {
652 37345 formats->formats = av_malloc_array(nb_formats, sizeof(*formats->formats));
653
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 37345 if (!formats->formats) {
654 ✗ av_freep(&formats);
655 ✗ return NULL;
656 }
657 }
658 }
659 }
660
661 65 AVFilterFormats *ff_planar_sample_fmts(void)
662 {
663 65 AVFilterFormats *ret = NULL;
664 int fmt;
665
666
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 910 for (fmt = 0; av_get_bytes_per_sample(fmt)>0; fmt++)
667
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 845 if (av_sample_fmt_is_planar(fmt))
668
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 390 if (ff_add_format(&ret, fmt) < 0)
669 ✗ return NULL;
670
671 65 return ret;
672 }
673
674 46985 AVFilterFormats *ff_all_samplerates(void)
675 {
676 46985 AVFilterFormats *ret = av_mallocz(sizeof(*ret));
677 46985 return ret;
678 }
679
680 70 AVFilterChannelLayouts *ff_all_channel_layouts(void)
681 {
682 70 AVFilterChannelLayouts *ret = av_mallocz(sizeof(*ret));
683
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 70 if (!ret)
684 ✗ return NULL;
685 70 ret->all_layouts = 1;
686 70 return ret;
687 }
688
689 47645 AVFilterChannelLayouts *ff_all_channel_counts(void)
690 {
691 47645 AVFilterChannelLayouts *ret = av_mallocz(sizeof(*ret));
692
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 47645 if (!ret)
693 ✗ return NULL;
694 47645 ret->all_layouts = ret->all_counts = 1;
695 47645 return ret;
696 }
697
698 59331 AVFilterFormats *ff_all_color_spaces(void)
699 {
700 59331 AVFilterFormats *ret = NULL;
701
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 59331 if (ff_add_format(&ret, AVCOL_SPC_UNSPECIFIED) < 0)
702 ✗ return NULL;
703
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 1127289 for (int csp = 0; csp < AVCOL_SPC_NB; csp++) {
704
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 1067958 if (csp == AVCOL_SPC_RESERVED ||
705 csp == AVCOL_SPC_UNSPECIFIED)
706 118662 continue;
707
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 949296 if (ff_add_format(&ret, csp) < 0)
708 ✗ return NULL;
709 }
710
711 59331 return ret;
712 }
713
714 59331 AVFilterFormats *ff_all_color_ranges(void)
715 {
716 59331 AVFilterFormats *ret = NULL;
717
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 237324 for (int range = 0; range < AVCOL_RANGE_NB; range++) {
718
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 177993 if (ff_add_format(&ret, range) < 0)
719 ✗ return NULL;
720 }
721
722 59331 return ret;
723 }
724
725 45953 AVFilterFormats *ff_all_alpha_modes(void)
726 {
727 45953 AVFilterFormats *ret = NULL;
728
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 183812 for (int am = 0; am < AVALPHA_MODE_NB; am++) {
729
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 137859 if (ff_add_format(&ret, am) < 0)
730 ✗ return NULL;
731 }
732
733 45953 return ret;
734 }
735
736 #define FORMATS_REF(f, ref, unref_fn) \
737 void *tmp; \
738 \
739 if (!f) \
740 return AVERROR(ENOMEM); \
741 \
742 tmp = av_realloc_array(f->refs, f->refcount + 1, sizeof(*f->refs)); \
743 if (!tmp) { \
744 unref_fn(&f); \
745 return AVERROR(ENOMEM); \
746 } \
747 f->refs = tmp; \
748 f->refs[f->refcount++] = ref; \
749 *ref = f; \
750 return 0
751
752 12768 int ff_channel_layouts_ref(AVFilterChannelLayouts *f, AVFilterChannelLayouts **ref)
753 {
754
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 12768 FORMATS_REF(f, ref, ff_channel_layouts_unref);
755 }
756
757 293562 int ff_formats_ref(AVFilterFormats *f, AVFilterFormats **ref)
758 {
759
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 293562 FORMATS_REF(f, ref, ff_formats_unref);
760 }
761
762 #define FIND_REF_INDEX(ref, idx) \
763 do { \
764 int i; \
765 for (i = 0; i < (*ref)->refcount; i ++) \
766 if((*ref)->refs[i] == ref) { \
767 idx = i; \
768 break; \
769 } \
770 } while (0)
771
772 #define FORMATS_UNREF(ref, list) \
773 do { \
774 int idx = -1; \
775 \
776 if (!*ref) \
777 return; \
778 \
779 FIND_REF_INDEX(ref, idx); \
780 \
781 if (idx >= 0) { \
782 memmove((*ref)->refs + idx, (*ref)->refs + idx + 1, \
783 sizeof(*(*ref)->refs) * ((*ref)->refcount - idx - 1)); \
784 --(*ref)->refcount; \
785 } \
786 if (!(*ref)->refcount) { \
787 FREE_LIST(ref, list); \
788 av_free((*ref)->list); \
789 av_free((*ref)->refs); \
790 av_free(*ref); \
791 } \
792 *ref = NULL; \
793 } while (0)
794
795 #define FREE_LIST(ref, list) do { } while(0)
796 1039370 void ff_formats_unref(AVFilterFormats **ref)
797 {
798
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 1189356 FORMATS_UNREF(ref, formats);
799 }
800
801 #undef FREE_LIST
802 #define FREE_LIST(ref, list) \
803 do { \
804 for (int i = 0; i < (*ref)->nb_channel_layouts; i++) \
805 av_channel_layout_uninit(&(*ref)->list[i]); \
806 } while(0)
807
808 211239 void ff_channel_layouts_unref(AVFilterChannelLayouts **ref)
809 {
810
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 223400 FORMATS_UNREF(ref, channel_layouts);
811 }
812
813 #define FORMATS_CHANGEREF(oldref, newref) \
814 do { \
815 int idx = -1; \
816 \
817 FIND_REF_INDEX(oldref, idx); \
818 \
819 if (idx >= 0) { \
820 (*oldref)->refs[idx] = newref; \
821 *newref = *oldref; \
822 *oldref = NULL; \
823 } \
824 } while (0)
825
826 702 void ff_channel_layouts_changeref(AVFilterChannelLayouts **oldref,
827 AVFilterChannelLayouts **newref)
828 {
829
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 2556 FORMATS_CHANGEREF(oldref, newref);
830 702 }
831
832 3940 void ff_formats_changeref(AVFilterFormats **oldref, AVFilterFormats **newref)
833 {
834
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 12084 FORMATS_CHANGEREF(oldref, newref);
835 3940 }
836
837 #define SET_COMMON_FORMATS(ctx, fmts, media_type, ref_fn, unref_fn) \
838 int i; \
839 \
840 if (!fmts) \
841 return AVERROR(ENOMEM); \
842 \
843 for (i = 0; i < ctx->nb_inputs; i++) { \
844 AVFilterLink *const link = ctx->inputs[i]; \
845 if (link && !link->outcfg.fmts && \
846 (media_type == AVMEDIA_TYPE_UNKNOWN || link->type == media_type)) { \
847 int ret = ref_fn(fmts, &ctx->inputs[i]->outcfg.fmts); \
848 if (ret < 0) { \
849 return ret; \
850 } \
851 } \
852 } \
853 for (i = 0; i < ctx->nb_outputs; i++) { \
854 AVFilterLink *const link = ctx->outputs[i]; \
855 if (link && !link->incfg.fmts && \
856 (media_type == AVMEDIA_TYPE_UNKNOWN || link->type == media_type)) { \
857 int ret = ref_fn(fmts, &ctx->outputs[i]->incfg.fmts); \
858 if (ret < 0) { \
859 return ret; \
860 } \
861 } \
862 } \
863 \
864 if (!fmts->refcount) \
865 unref_fn(&fmts); \
866 \
867 return 0;
868
869 44480 int ff_set_common_channel_layouts(AVFilterContext *ctx,
870 AVFilterChannelLayouts *channel_layouts)
871 {
872
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 117759 SET_COMMON_FORMATS(ctx, channel_layouts, AVMEDIA_TYPE_AUDIO,
873 ff_channel_layouts_ref, ff_channel_layouts_unref);
874 }
875
876 ✗ int ff_set_common_channel_layouts_from_list(AVFilterContext *ctx,
877 const AVChannelLayout *fmts)
878 {
879 ✗ return ff_set_common_channel_layouts(ctx, ff_make_channel_layout_list(fmts));
880 }
881
882 44480 int ff_set_common_all_channel_counts(AVFilterContext *ctx)
883 {
884 44480 return ff_set_common_channel_layouts(ctx, ff_all_channel_counts());
885 }
886
887 44484 int ff_set_common_samplerates(AVFilterContext *ctx,
888 AVFilterFormats *samplerates)
889 {
890
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 117777 SET_COMMON_FORMATS(ctx, samplerates, AVMEDIA_TYPE_AUDIO,
891 ff_formats_ref, ff_formats_unref);
892 }
893
894 ✗ int ff_set_common_samplerates_from_list(AVFilterContext *ctx,
895 const int *samplerates)
896 {
897 ✗ return ff_set_common_samplerates(ctx, ff_make_format_list(samplerates));
898 }
899
900 44484 int ff_set_common_all_samplerates(AVFilterContext *ctx)
901 {
902 44484 return ff_set_common_samplerates(ctx, ff_all_samplerates());
903 }
904
905 45951 int ff_set_common_color_spaces(AVFilterContext *ctx,
906 AVFilterFormats *color_spaces)
907 {
908
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 121032 SET_COMMON_FORMATS(ctx, color_spaces, AVMEDIA_TYPE_VIDEO,
909 ff_formats_ref, ff_formats_unref);
910 }
911
912 ✗ int ff_set_common_color_spaces_from_list(AVFilterContext *ctx,
913 const int *color_spaces)
914 {
915 ✗ return ff_set_common_color_spaces(ctx, ff_make_format_list(color_spaces));
916 }
917
918 45951 int ff_set_common_all_color_spaces(AVFilterContext *ctx)
919 {
920 45951 return ff_set_common_color_spaces(ctx, ff_all_color_spaces());
921 }
922
923 45951 int ff_set_common_color_ranges(AVFilterContext *ctx,
924 AVFilterFormats *color_ranges)
925 {
926
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 121032 SET_COMMON_FORMATS(ctx, color_ranges, AVMEDIA_TYPE_VIDEO,
927 ff_formats_ref, ff_formats_unref);
928 }
929
930 ✗ int ff_set_common_color_ranges_from_list(AVFilterContext *ctx,
931 const int *color_ranges)
932 {
933 ✗ return ff_set_common_color_ranges(ctx, ff_make_format_list(color_ranges));
934 }
935
936 45951 int ff_set_common_all_color_ranges(AVFilterContext *ctx)
937 {
938 45951 return ff_set_common_color_ranges(ctx, ff_all_color_ranges());
939 }
940
941 45951 int ff_set_common_alpha_modes(AVFilterContext *ctx,
942 AVFilterFormats *alpha_modes)
943 {
944
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 121032 SET_COMMON_FORMATS(ctx, alpha_modes, AVMEDIA_TYPE_VIDEO,
945 ff_formats_ref, ff_formats_unref);
946 }
947
948 ✗ int ff_set_common_alpha_modes_from_list(AVFilterContext *ctx,
949 const int *alpha_modes)
950 {
951 ✗ return ff_set_common_alpha_modes(ctx, ff_make_format_list(alpha_modes));
952 }
953
954 45951 int ff_set_common_all_alpha_modes(AVFilterContext *ctx)
955 {
956 45951 return ff_set_common_alpha_modes(ctx, ff_all_alpha_modes());
957 }
958
959 /**
960 * A helper for query_formats() which sets all links to the same list of
961 * formats. If there are no links hooked to this filter, the list of formats is
962 * freed.
963 */
964 45988 int ff_set_common_formats(AVFilterContext *ctx, AVFilterFormats *formats)
965 {
966
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 121158 SET_COMMON_FORMATS(ctx, formats, AVMEDIA_TYPE_UNKNOWN,
967 ff_formats_ref, ff_formats_unref);
968 }
969
970 ✗ int ff_set_common_formats_from_list(AVFilterContext *ctx, const int *fmts)
971 {
972 ✗ return ff_set_common_formats(ctx, ff_make_format_list(fmts));
973 }
974
975 4 int ff_set_sample_formats_from_list(AVFilterContext *ctx, const enum AVSampleFormat *fmts)
976 {
977 4 return ff_set_common_formats(ctx, ff_make_sample_format_list(fmts));
978 }
979
980 ✗ int ff_set_pixel_formats_from_list(AVFilterContext *ctx, const enum AVPixelFormat *fmts)
981 {
982 ✗ return ff_set_common_formats(ctx, ff_make_pixel_format_list(fmts));
983 }
984
985 #define SET_COMMON_FORMATS2(ctx, cfg_in, cfg_out, fmts, media_type, \
986 ref_fn, unref_fn) \
987 if (!fmts) \
988 return AVERROR(ENOMEM); \
989 \
990 for (unsigned i = 0; i < ctx->nb_inputs; i++) { \
991 const AVFilterLink *const link = ctx->inputs[i]; \
992 if (!cfg_in[i]->fmts && \
993 (media_type == AVMEDIA_TYPE_UNKNOWN || \
994 link->type == media_type)) { \
995 int ret = ref_fn(fmts, &cfg_in[i]->fmts); \
996 if (ret < 0) { \
997 return ret; \
998 } \
999 } \
1000 } \
1001 for (unsigned i = 0; i < ctx->nb_outputs; i++) { \
1002 const AVFilterLink *const link = ctx->outputs[i]; \
1003 if (!cfg_out[i]->fmts && \
1004 (media_type == AVMEDIA_TYPE_UNKNOWN || \
1005 link->type == media_type)) { \
1006 int ret = ref_fn(fmts, &cfg_out[i]->fmts); \
1007 if (ret < 0) { \
1008 return ret; \
1009 } \
1010 } \
1011 } \
1012 \
1013 if (!fmts->refcount) \
1014 unref_fn(&fmts); \
1015 \
1016 return 0;
1017
1018 1637 int ff_set_common_channel_layouts2(const AVFilterContext *ctx,
1019 AVFilterFormatsConfig **cfg_in,
1020 AVFilterFormatsConfig **cfg_out,
1021 AVFilterChannelLayouts *channel_layouts)
1022 {
1023
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 3417 SET_COMMON_FORMATS2(ctx, cfg_in, cfg_out, channel_layouts, AVMEDIA_TYPE_AUDIO,
1024 ff_channel_layouts_ref, ff_channel_layouts_unref);
1025 }
1026
1027 249 int ff_set_common_channel_layouts_from_list2(const AVFilterContext *ctx,
1028 AVFilterFormatsConfig **cfg_in,
1029 AVFilterFormatsConfig **cfg_out,
1030 const AVChannelLayout *fmts)
1031 {
1032 249 return ff_set_common_channel_layouts2(ctx, cfg_in, cfg_out, ff_make_channel_layout_list(fmts));
1033 }
1034
1035 ✗ int ff_set_common_all_channel_counts2(const AVFilterContext *ctx,
1036 AVFilterFormatsConfig **cfg_in,
1037 AVFilterFormatsConfig **cfg_out)
1038 {
1039 ✗ return ff_set_common_channel_layouts2(ctx, cfg_in, cfg_out, ff_all_channel_counts());
1040 }
1041
1042 1621 int ff_set_common_samplerates2(const AVFilterContext *ctx,
1043 AVFilterFormatsConfig **cfg_in,
1044 AVFilterFormatsConfig **cfg_out,
1045 AVFilterFormats *samplerates)
1046 {
1047
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 3369 SET_COMMON_FORMATS2(ctx, cfg_in, cfg_out, samplerates, AVMEDIA_TYPE_AUDIO,
1048 ff_formats_ref, ff_formats_unref);
1049 }
1050
1051 233 int ff_set_common_samplerates_from_list2(const AVFilterContext *ctx,
1052 AVFilterFormatsConfig **cfg_in,
1053 AVFilterFormatsConfig **cfg_out,
1054 const int *samplerates)
1055 {
1056 233 return ff_set_common_samplerates2(ctx, cfg_in, cfg_out, ff_make_format_list(samplerates));
1057 }
1058
1059 ✗ int ff_set_common_all_samplerates2(const AVFilterContext *ctx,
1060 AVFilterFormatsConfig **cfg_in,
1061 AVFilterFormatsConfig **cfg_out)
1062 {
1063 ✗ return ff_set_common_samplerates2(ctx, cfg_in, cfg_out, ff_all_samplerates());
1064 }
1065
1066 5121 int ff_set_common_color_spaces2(const AVFilterContext *ctx,
1067 AVFilterFormatsConfig **cfg_in,
1068 AVFilterFormatsConfig **cfg_out,
1069 AVFilterFormats *color_spaces)
1070 {
1071
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 10262 SET_COMMON_FORMATS2(ctx, cfg_in, cfg_out, color_spaces, AVMEDIA_TYPE_VIDEO,
1072 ff_formats_ref, ff_formats_unref);
1073 }
1074
1075 ✗ int ff_set_common_color_spaces_from_list2(const AVFilterContext *ctx,
1076 AVFilterFormatsConfig **cfg_in,
1077 AVFilterFormatsConfig **cfg_out,
1078 const int *color_spaces)
1079 {
1080 ✗ return ff_set_common_color_spaces2(ctx, cfg_in, cfg_out, ff_make_format_list(color_spaces));
1081 }
1082
1083 ✗ int ff_set_common_all_color_spaces2(const AVFilterContext *ctx,
1084 AVFilterFormatsConfig **cfg_in,
1085 AVFilterFormatsConfig **cfg_out)
1086 {
1087 ✗ return ff_set_common_color_spaces2(ctx, cfg_in, cfg_out, ff_all_color_spaces());
1088 }
1089
1090 7313 int ff_set_common_color_ranges2(const AVFilterContext *ctx,
1091 AVFilterFormatsConfig **cfg_in,
1092 AVFilterFormatsConfig **cfg_out,
1093 AVFilterFormats *color_ranges)
1094 {
1095
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 16838 SET_COMMON_FORMATS2(ctx, cfg_in, cfg_out, color_ranges, AVMEDIA_TYPE_VIDEO,
1096 ff_formats_ref, ff_formats_unref);
1097 }
1098
1099 ✗ int ff_set_common_color_ranges_from_list2(const AVFilterContext *ctx,
1100 AVFilterFormatsConfig **cfg_in,
1101 AVFilterFormatsConfig **cfg_out,
1102 const int *color_ranges)
1103 {
1104 ✗ return ff_set_common_color_ranges2(ctx, cfg_in, cfg_out, ff_make_format_list(color_ranges));
1105 }
1106
1107 ✗ int ff_set_common_all_color_ranges2(const AVFilterContext *ctx,
1108 AVFilterFormatsConfig **cfg_in,
1109 AVFilterFormatsConfig **cfg_out)
1110 {
1111 ✗ return ff_set_common_color_ranges2(ctx, cfg_in, cfg_out, ff_all_color_ranges());
1112 }
1113
1114 353 int ff_set_common_alpha_modes2(const AVFilterContext *ctx,
1115 AVFilterFormatsConfig **cfg_in,
1116 AVFilterFormatsConfig **cfg_out,
1117 AVFilterFormats *alpha_modes)
1118 {
1119
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 745 SET_COMMON_FORMATS2(ctx, cfg_in, cfg_out, alpha_modes, AVMEDIA_TYPE_VIDEO,
1120 ff_formats_ref, ff_formats_unref);
1121 }
1122
1123 ✗ int ff_set_common_alpha_modes_from_list2(const AVFilterContext *ctx,
1124 AVFilterFormatsConfig **cfg_in,
1125 AVFilterFormatsConfig **cfg_out,
1126 const int *alpha_modes)
1127 {
1128 ✗ return ff_set_common_alpha_modes2(ctx, cfg_in, cfg_out, ff_make_format_list(alpha_modes));
1129 }
1130
1131 ✗ int ff_set_common_all_alpha_modes2(const AVFilterContext *ctx,
1132 AVFilterFormatsConfig **cfg_in,
1133 AVFilterFormatsConfig **cfg_out)
1134 {
1135 ✗ return ff_set_common_alpha_modes2(ctx, cfg_in, cfg_out, ff_all_alpha_modes());
1136 }
1137
1138 21610 int ff_set_common_formats2(const AVFilterContext *ctx,
1139 AVFilterFormatsConfig **cfg_in,
1140 AVFilterFormatsConfig **cfg_out,
1141 AVFilterFormats *formats)
1142 {
1143
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 57555 SET_COMMON_FORMATS2(ctx, cfg_in, cfg_out, formats, AVMEDIA_TYPE_UNKNOWN,
1144 ff_formats_ref, ff_formats_unref);
1145 }
1146
1147 ✗ int ff_set_common_formats_from_list2(const AVFilterContext *ctx,
1148 AVFilterFormatsConfig **cfg_in,
1149 AVFilterFormatsConfig **cfg_out,
1150 const int *fmts)
1151 {
1152 ✗ return ff_set_common_formats2(ctx, cfg_in, cfg_out, ff_make_format_list(fmts));
1153 }
1154
1155 1911 int ff_set_sample_formats_from_list2(const AVFilterContext *ctx,
1156 AVFilterFormatsConfig **cfg_in,
1157 AVFilterFormatsConfig **cfg_out,
1158 const enum AVSampleFormat *fmts)
1159 {
1160 1911 return ff_set_common_formats2(ctx, cfg_in, cfg_out, ff_make_sample_format_list(fmts));
1161 }
1162
1163 99 int ff_set_pixel_formats_from_list2(const AVFilterContext *ctx,
1164 AVFilterFormatsConfig **cfg_in,
1165 AVFilterFormatsConfig **cfg_out,
1166 const enum AVPixelFormat *fmts)
1167 {
1168 99 return ff_set_common_formats2(ctx, cfg_in, cfg_out, ff_make_pixel_format_list(fmts));
1169 }
1170
1171 45984 int ff_default_query_formats(AVFilterContext *ctx)
1172 {
1173 45984 const FFFilter *const f = fffilter(ctx->filter);
1174 AVFilterFormats *formats;
1175 enum AVMediaType type;
1176 int ret;
1177
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 45984 switch (f->formats_state) {
1179 1470 case FF_FILTER_FORMATS_PIXFMT_LIST:
1180 1470 type = AVMEDIA_TYPE_VIDEO;
1181 1470 formats = ff_make_pixel_format_list(f->formats.pixels_list);
1182 1470 break;
1183 20 case FF_FILTER_FORMATS_SAMPLEFMTS_LIST:
1184 20 type = AVMEDIA_TYPE_AUDIO;
1185 20 formats = ff_make_sample_format_list(f->formats.samples_list);
1186 20 break;
1187 34 case FF_FILTER_FORMATS_SINGLE_PIXFMT:
1188 34 type = AVMEDIA_TYPE_VIDEO;
1189 34 formats = ff_make_formats_list_singleton(f->formats.pix_fmt);
1190 34 break;
1191 13 case FF_FILTER_FORMATS_SINGLE_SAMPLEFMT:
1192 13 type = AVMEDIA_TYPE_AUDIO;
1193 13 formats = ff_make_formats_list_singleton(f->formats.sample_fmt);
1194 13 break;
1195 44447 default:
1196 av_assert2(!"Unreachable");
1197 av_fallthrough;
1198 case FF_FILTER_FORMATS_PASSTHROUGH:
1199 case FF_FILTER_FORMATS_QUERY_FUNC:
1200 case FF_FILTER_FORMATS_QUERY_FUNC2:
1201 44447 type = AVMEDIA_TYPE_UNKNOWN;
1202
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 51864 formats = ff_all_formats(ctx->nb_inputs ? ctx->inputs [0]->type :
1203
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 7417 ctx->nb_outputs ? ctx->outputs[0]->type :
1204 AVMEDIA_TYPE_VIDEO);
1205 44447 break;
1206 }
1207
1208 45984 ret = ff_set_common_formats(ctx, formats);
1209
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 45984 if (ret < 0)
1210 ✗ return ret;
1211
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 45984 if (type != AVMEDIA_TYPE_AUDIO) {
1212 45951 ret = ff_set_common_all_color_spaces(ctx);
1213
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 45951 if (ret < 0)
1214 ✗ return ret;
1215 45951 ret = ff_set_common_all_color_ranges(ctx);
1216
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 45951 if (ret < 0)
1217 ✗ return ret;
1218 45951 ret = ff_set_common_all_alpha_modes(ctx);
1219
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 45951 if (ret < 0)
1220 ✗ return ret;
1221 }
1222
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 45984 if (type != AVMEDIA_TYPE_VIDEO) {
1223 44480 ret = ff_set_common_all_channel_counts(ctx);
1224
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 44480 if (ret < 0)
1225 ✗ return ret;
1226 44480 ret = ff_set_common_all_samplerates(ctx);
1227
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 44480 if (ret < 0)
1228 ✗ return ret;
1229 }
1230
1231 45984 return 0;
1232 }
1233
1234 216759 static int check_list(void *log, const char *name, const AVFilterFormats *fmts)
1235 {
1236 unsigned i, j;
1237
1238
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 216759 if (!fmts)
1239 120104 return 0;
1240
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 96655 if (!fmts->nb_formats) {
1241 ✗ av_log(log, AV_LOG_ERROR, "Empty %s list\n", name);
1242 ✗ return AVERROR(EINVAL);
1243 }
1244
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 3860313 for (i = 0; i < fmts->nb_formats; i++) {
1245
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 389995977 for (j = i + 1; j < fmts->nb_formats; j++) {
1246
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 386232319 if (fmts->formats[i] == fmts->formats[j]) {
1247 ✗ av_log(log, AV_LOG_ERROR, "Duplicated %s\n", name);
1248 ✗ return AVERROR(EINVAL);
1249 }
1250 }
1251 }
1252 96655 return 0;
1253 }
1254
1255 51076 int ff_formats_check_pixel_formats(void *log, const AVFilterFormats *fmts)
1256 {
1257 51076 return check_list(log, "pixel format", fmts);
1258 }
1259
1260 10063 int ff_formats_check_sample_formats(void *log, const AVFilterFormats *fmts)
1261 {
1262 10063 return check_list(log, "sample format", fmts);
1263 }
1264
1265 10063 int ff_formats_check_sample_rates(void *log, const AVFilterFormats *fmts)
1266 {
1267
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 10063 if (!fmts || !fmts->nb_formats)
1268 7671 return 0;
1269 2392 return check_list(log, "sample rate", fmts);
1270 }
1271
1272 51076 int ff_formats_check_color_spaces(void *log, const AVFilterFormats *fmts)
1273 {
1274
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 162552 for (int i = 0; fmts && i < fmts->nb_formats; i++) {
1275
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 111476 if (fmts->formats[i] == AVCOL_SPC_RESERVED) {
1276 ✗ av_log(log, AV_LOG_ERROR, "Invalid color space\n");
1277 ✗ return AVERROR(EINVAL);
1278 }
1279 }
1280 51076 return check_list(log, "color space", fmts);
1281 }
1282
1283 51076 int ff_formats_check_color_ranges(void *log, const AVFilterFormats *fmts)
1284 {
1285 51076 return check_list(log, "color range", fmts);
1286 }
1287
1288 51076 int ff_formats_check_alpha_modes(void *log, const AVFilterFormats *fmts)
1289 {
1290 51076 return check_list(log, "alpha mode", fmts);
1291 }
1292
1293 5188 static int layouts_compatible(const AVChannelLayout *a, const AVChannelLayout *b)
1294 {
1295 5188 return !av_channel_layout_compare(a, b) ||
1296
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 10376 (KNOWN(a) && !KNOWN(b) && a->nb_channels == b->nb_channels) ||
1297
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 5188 (KNOWN(b) && !KNOWN(a) && b->nb_channels == a->nb_channels);
1298 }
1299
1300 10063 int ff_formats_check_channel_layouts(void *log, const AVFilterChannelLayouts *fmts)
1301 {
1302 unsigned i, j;
1303
1304
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 10063 if (!fmts)
1305 4865 return 0;
1306
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 5198 if (fmts->all_layouts < fmts->all_counts) {
1307 ✗ av_log(log, AV_LOG_ERROR, "Inconsistent generic list\n");
1308 ✗ return AVERROR(EINVAL);
1309 }
1310
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 5198 if (!fmts->all_layouts && !fmts->nb_channel_layouts) {
1311 ✗ av_log(log, AV_LOG_ERROR, "Empty channel layout list\n");
1312 ✗ return AVERROR(EINVAL);
1313 }
1314
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 8089 for (i = 0; i < fmts->nb_channel_layouts; i++) {
1315
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 8079 for (j = i + 1; j < fmts->nb_channel_layouts; j++) {
1316
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 5188 if (layouts_compatible(&fmts->channel_layouts[i], &fmts->channel_layouts[j])) {
1317 ✗ av_log(log, AV_LOG_ERROR, "Duplicated or redundant channel layout\n");
1318 ✗ return AVERROR(EINVAL);
1319 }
1320 }
1321 }
1322 5198 return 0;
1323 }
1324