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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/avassert.h" | ||
23 | #include "libavutil/channel_layout.h" | ||
24 | #include "libavutil/common.h" | ||
25 | #include "libavutil/eval.h" | ||
26 | #include "libavutil/mem.h" | ||
27 | #include "libavutil/pixdesc.h" | ||
28 | #include "avfilter.h" | ||
29 | #include "internal.h" | ||
30 | #include "formats.h" | ||
31 | |||
32 | /** | ||
33 | * Add all refs from a to ret and destroy a. | ||
34 | */ | ||
35 | #define MERGE_REF(ret, a, fmts, type, fail_statement) \ | ||
36 | do { \ | ||
37 | type ***tmp; \ | ||
38 | int i; \ | ||
39 | \ | ||
40 | if (!(tmp = av_realloc_array(ret->refs, ret->refcount + a->refcount, \ | ||
41 | sizeof(*tmp)))) \ | ||
42 | { fail_statement } \ | ||
43 | ret->refs = tmp; \ | ||
44 | \ | ||
45 | for (i = 0; i < a->refcount; i ++) { \ | ||
46 | ret->refs[ret->refcount] = a->refs[i]; \ | ||
47 | *ret->refs[ret->refcount++] = ret; \ | ||
48 | } \ | ||
49 | \ | ||
50 | av_freep(&a->refs); \ | ||
51 | av_freep(&a->fmts); \ | ||
52 | av_freep(&a); \ | ||
53 | } while (0) | ||
54 | |||
55 | /** | ||
56 | * Add all formats common to a and b to a, add b's refs to a and destroy b. | ||
57 | * If check is set, nothing is modified and it is only checked whether | ||
58 | * the formats are compatible. | ||
59 | * If empty_allowed is set and one of a,b->nb is zero, the lists are | ||
60 | * merged; otherwise, 0 (for nonmergeability) is returned. | ||
61 | */ | ||
62 | #define MERGE_FORMATS(a, b, fmts, nb, type, check, empty_allowed) \ | ||
63 | do { \ | ||
64 | int i, j, k = 0, skip = 0; \ | ||
65 | \ | ||
66 | if (empty_allowed) { \ | ||
67 | if (!a->nb || !b->nb) { \ | ||
68 | if (check) \ | ||
69 | return 1; \ | ||
70 | if (!a->nb) \ | ||
71 | FFSWAP(type *, a, b); \ | ||
72 | skip = 1; \ | ||
73 | } \ | ||
74 | } \ | ||
75 | if (!skip) { \ | ||
76 | for (i = 0; i < a->nb; i++) \ | ||
77 | for (j = 0; j < b->nb; j++) \ | ||
78 | if (a->fmts[i] == b->fmts[j]) { \ | ||
79 | if (check) \ | ||
80 | return 1; \ | ||
81 | a->fmts[k++] = a->fmts[i]; \ | ||
82 | break; \ | ||
83 | } \ | ||
84 | /* Check that there was at least one common format. \ | ||
85 | * Notice that both a and b are unchanged if not. */ \ | ||
86 | if (!k) \ | ||
87 | return 0; \ | ||
88 | av_assert2(!check); \ | ||
89 | a->nb = k; \ | ||
90 | } \ | ||
91 | \ | ||
92 | MERGE_REF(a, b, fmts, type, return AVERROR(ENOMEM);); \ | ||
93 | } while (0) | ||
94 | |||
95 | 51445 | static int merge_formats_internal(AVFilterFormats *a, AVFilterFormats *b, | |
96 | enum AVMediaType type, int check) | ||
97 | { | ||
98 | int i, j; | ||
99 | 51445 | int alpha1=0, alpha2=0; | |
100 | 51445 | int chroma1=0, chroma2=0; | |
101 | |||
102 | av_assert2(check || (a->refcount && b->refcount)); | ||
103 | |||
104 |
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51445 | if (a == b) |
105 | ✗ | return 1; | |
106 | |||
107 | /* Do not lose chroma or alpha in merging. | ||
108 | It happens if both lists have formats with chroma (resp. alpha), but | ||
109 | the only formats in common do not have it (e.g. YUV+gray vs. | ||
110 | RGB+gray): in that case, the merging would select the gray format, | ||
111 | possibly causing a lossy conversion elsewhere in the graph. | ||
112 | To avoid that, pretend that there are no common formats to force the | ||
113 | insertion of a conversion filter. */ | ||
114 |
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51445 | if (type == AVMEDIA_TYPE_VIDEO) |
115 |
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1494160 | for (i = 0; i < a->nb_formats; i++) { |
116 | 1453154 | const AVPixFmtDescriptor *const adesc = av_pix_fmt_desc_get(a->formats[i]); | |
117 |
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27228483 | for (j = 0; j < b->nb_formats; j++) { |
118 | 25775329 | const AVPixFmtDescriptor *bdesc = av_pix_fmt_desc_get(b->formats[j]); | |
119 | 25775329 | alpha2 |= adesc->flags & bdesc->flags & AV_PIX_FMT_FLAG_ALPHA; | |
120 |
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25775329 | chroma2|= adesc->nb_components > 1 && bdesc->nb_components > 1; |
121 |
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25775329 | if (a->formats[i] == b->formats[j]) { |
122 | 124039 | alpha1 |= adesc->flags & AV_PIX_FMT_FLAG_ALPHA; | |
123 | 124039 | chroma1|= adesc->nb_components > 1; | |
124 | } | ||
125 | } | ||
126 | } | ||
127 | |||
128 | // If chroma or alpha can be lost through merging then do not merge | ||
129 |
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51445 | if (alpha2 > alpha1 || chroma2 > chroma1) |
130 | 549 | return 0; | |
131 | |||
132 |
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7897840 | MERGE_FORMATS(a, b, formats, nb_formats, AVFilterFormats, check, 0); |
133 | |||
134 | 26258 | return 1; | |
135 | } | ||
136 | |||
137 | |||
138 | /** | ||
139 | * Check the formats lists for compatibility for merging without actually | ||
140 | * merging. | ||
141 | * | ||
142 | * @return 1 if they are compatible, 0 if not. | ||
143 | */ | ||
144 | 20206 | static int can_merge_pix_fmts(const void *a, const void *b) | |
145 | { | ||
146 | 20206 | return merge_formats_internal((AVFilterFormats *)a, | |
147 | (AVFilterFormats *)b, AVMEDIA_TYPE_VIDEO, 1); | ||
148 | } | ||
149 | |||
150 | /** | ||
151 | * Merge the formats lists if they are compatible and update all the | ||
152 | * references of a and b to point to the combined list and free the old | ||
153 | * lists as needed. The combined list usually contains the intersection of | ||
154 | * the lists of a and b. | ||
155 | * | ||
156 | * Both a and b must have owners (i.e. refcount > 0) for these functions. | ||
157 | * | ||
158 | * @return 1 if merging succeeded, 0 if a and b are incompatible | ||
159 | * and negative AVERROR code on failure. | ||
160 | * a and b are unmodified if 0 is returned. | ||
161 | */ | ||
162 | 20800 | static int merge_pix_fmts(void *a, void *b) | |
163 | { | ||
164 | 20800 | return merge_formats_internal(a, b, AVMEDIA_TYPE_VIDEO, 0); | |
165 | } | ||
166 | |||
167 | /** | ||
168 | * See can_merge_pix_fmts(). | ||
169 | */ | ||
170 | 4981 | static int can_merge_sample_fmts(const void *a, const void *b) | |
171 | { | ||
172 | 4981 | return merge_formats_internal((AVFilterFormats *)a, | |
173 | (AVFilterFormats *)b, AVMEDIA_TYPE_AUDIO, 1); | ||
174 | } | ||
175 | |||
176 | /** | ||
177 | * See merge_pix_fmts(). | ||
178 | */ | ||
179 | 5458 | static int merge_sample_fmts(void *a, void *b) | |
180 | { | ||
181 | 5458 | return merge_formats_internal(a, b, AVMEDIA_TYPE_AUDIO, 0); | |
182 | } | ||
183 | |||
184 | 10443 | static int merge_samplerates_internal(AVFilterFormats *a, | |
185 | AVFilterFormats *b, int check) | ||
186 | { | ||
187 | av_assert2(check || (a->refcount && b->refcount)); | ||
188 |
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10443 | if (a == b) return 1; |
189 | |||
190 |
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20364 | MERGE_FORMATS(a, b, formats, nb_formats, AVFilterFormats, check, 1); |
191 | 5458 | return 1; | |
192 | } | ||
193 | |||
194 | /** | ||
195 | * See can_merge_pix_fmts(). | ||
196 | */ | ||
197 | 4985 | static int can_merge_samplerates(const void *a, const void *b) | |
198 | { | ||
199 | 4985 | return merge_samplerates_internal((AVFilterFormats *)a, (AVFilterFormats *)b, 1); | |
200 | } | ||
201 | |||
202 | /** | ||
203 | * See merge_pix_fmts(). | ||
204 | */ | ||
205 | 5458 | static int merge_samplerates(void *a, void *b) | |
206 | { | ||
207 | 5458 | return merge_samplerates_internal(a, b, 0); | |
208 | } | ||
209 | |||
210 | /** | ||
211 | * See merge_pix_fmts(). | ||
212 | */ | ||
213 | 5987 | static int merge_channel_layouts_internal(AVFilterChannelLayouts *a, | |
214 | AVFilterChannelLayouts *b, int check) | ||
215 | { | ||
216 | 5987 | AVChannelLayout *channel_layouts = NULL; | |
217 | 5987 | unsigned a_all = a->all_layouts + a->all_counts; | |
218 | 5987 | unsigned b_all = b->all_layouts + b->all_counts; | |
219 | 5987 | int ret_max, ret_nb = 0, i, j, round; | |
220 | |||
221 | av_assert2(a->refcount && b->refcount); | ||
222 | |||
223 |
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5987 | if (a == b) return 1; |
224 | |||
225 | /* Put the most generic set in a, to avoid doing everything twice */ | ||
226 |
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5987 | if (a_all < b_all) { |
227 | 2967 | FFSWAP(AVFilterChannelLayouts *, a, b); | |
228 | 2967 | FFSWAP(unsigned, a_all, b_all); | |
229 | } | ||
230 |
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5987 | if (a_all) { |
231 |
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5810 | if (a_all == 1 && !b_all) { |
232 | /* keep only known layouts in b; works also for b_all = 1 */ | ||
233 |
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10 | for (i = j = 0; i < b->nb_channel_layouts; i++) |
234 |
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5 | if (KNOWN(&b->channel_layouts[i]) && i != j++) { |
235 | ✗ | if (check) | |
236 | ✗ | return 1; | |
237 | ✗ | av_channel_layout_copy(&b->channel_layouts[j], &b->channel_layouts[i]); | |
238 | } | ||
239 | /* Not optimal: the unknown layouts of b may become known after | ||
240 | another merge. */ | ||
241 |
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5 | if (!j) |
242 | ✗ | return 0; | |
243 | 5 | b->nb_channel_layouts = j; | |
244 | } | ||
245 |
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16005 | MERGE_REF(b, a, channel_layouts, AVFilterChannelLayouts, return AVERROR(ENOMEM);); |
246 | 5810 | return 1; | |
247 | } | ||
248 | |||
249 | 177 | ret_max = a->nb_channel_layouts + b->nb_channel_layouts; | |
250 |
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177 | if (!check && !(channel_layouts = av_calloc(ret_max, sizeof(*channel_layouts)))) |
251 | ✗ | return AVERROR(ENOMEM); | |
252 | |||
253 | /* a[known] intersect b[known] */ | ||
254 |
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248 | for (i = 0; i < a->nb_channel_layouts; i++) { |
255 |
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177 | if (!KNOWN(&a->channel_layouts[i])) |
256 | 1 | continue; | |
257 |
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279 | for (j = 0; j < b->nb_channel_layouts; j++) { |
258 |
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272 | if (!av_channel_layout_compare(&a->channel_layouts[i], &b->channel_layouts[j])) { |
259 |
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169 | if (check) |
260 | 106 | return 1; | |
261 | 63 | av_channel_layout_copy(&channel_layouts[ret_nb++], &a->channel_layouts[i]); | |
262 | 63 | av_channel_layout_uninit(&a->channel_layouts[i]); | |
263 | 63 | av_channel_layout_uninit(&b->channel_layouts[j]); | |
264 | 63 | break; | |
265 | } | ||
266 | } | ||
267 | } | ||
268 | /* 1st round: a[known] intersect b[generic] | ||
269 | 2nd round: a[generic] intersect b[known] */ | ||
270 |
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212 | for (round = 0; round < 2; round++) { |
271 |
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369 | for (i = 0; i < a->nb_channel_layouts; i++) { |
272 | 228 | AVChannelLayout *fmt = &a->channel_layouts[i], bfmt = { 0 }; | |
273 |
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228 | if (!av_channel_layout_check(fmt) || !KNOWN(fmt)) |
274 | 127 | continue; | |
275 | 101 | bfmt = FF_COUNT2LAYOUT(fmt->nb_channels); | |
276 |
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201 | for (j = 0; j < b->nb_channel_layouts; j++) |
277 |
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101 | if (!av_channel_layout_compare(&b->channel_layouts[j], &bfmt)) { |
278 |
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1 | if (check) |
279 | 1 | return 1; | |
280 | ✗ | av_channel_layout_copy(&channel_layouts[ret_nb++], fmt); | |
281 | } | ||
282 | } | ||
283 | /* 1st round: swap to prepare 2nd round; 2nd round: put it back */ | ||
284 | 141 | FFSWAP(AVFilterChannelLayouts *, a, b); | |
285 | } | ||
286 | /* a[generic] intersect b[generic] */ | ||
287 |
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140 | for (i = 0; i < a->nb_channel_layouts; i++) { |
288 |
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70 | if (KNOWN(&a->channel_layouts[i])) |
289 | 70 | continue; | |
290 | ✗ | for (j = 0; j < b->nb_channel_layouts; j++) | |
291 | ✗ | if (!av_channel_layout_compare(&a->channel_layouts[i], &b->channel_layouts[j])) { | |
292 | ✗ | if (check) | |
293 | ✗ | return 1; | |
294 | ✗ | av_channel_layout_copy(&channel_layouts[ret_nb++], &a->channel_layouts[i]); | |
295 | } | ||
296 | } | ||
297 | |||
298 |
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70 | if (!ret_nb) { |
299 | 7 | av_free(channel_layouts); | |
300 | 7 | return 0; | |
301 | } | ||
302 | |||
303 |
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63 | if (a->refcount > b->refcount) |
304 | 12 | FFSWAP(AVFilterChannelLayouts *, a, b); | |
305 | |||
306 |
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192 | MERGE_REF(b, a, channel_layouts, AVFilterChannelLayouts, |
307 | { av_free(channel_layouts); return AVERROR(ENOMEM); }); | ||
308 | 63 | av_freep(&b->channel_layouts); | |
309 | 63 | b->channel_layouts = channel_layouts; | |
310 | 63 | b->nb_channel_layouts = ret_nb; | |
311 | 63 | return 1; | |
312 | } | ||
313 | |||
314 | 4992 | static int can_merge_channel_layouts(const void *a, const void *b) | |
315 | { | ||
316 | 4992 | return merge_channel_layouts_internal((AVFilterChannelLayouts *)a, | |
317 | (AVFilterChannelLayouts *)b, 1); | ||
318 | } | ||
319 | |||
320 | 995 | static int merge_channel_layouts(void *a, void *b) | |
321 | { | ||
322 | 995 | return merge_channel_layouts_internal(a, b, 0); | |
323 | } | ||
324 | |||
325 | 80816 | static int merge_generic_internal(AVFilterFormats *a, | |
326 | AVFilterFormats *b, int check) | ||
327 | { | ||
328 | av_assert2(check || (a->refcount && b->refcount)); | ||
329 | |||
330 |
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80816 | if (a == b) |
331 | ✗ | return 1; | |
332 | |||
333 |
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1425530 | MERGE_FORMATS(a, b, formats, nb_formats, AVFilterFormats, check, 0); |
334 | |||
335 | 41596 | return 1; | |
336 | } | ||
337 | |||
338 | 39220 | static int can_merge_generic(const void *a, const void *b) | |
339 | { | ||
340 | 39220 | return merge_generic_internal((AVFilterFormats *)a, | |
341 | (AVFilterFormats *)b, 1); | ||
342 | } | ||
343 | |||
344 | 41596 | static int merge_generic(void *a, void *b) | |
345 | { | ||
346 | 41596 | return merge_generic_internal(a, b, 0); | |
347 | } | ||
348 | |||
349 | static const AVFilterFormatsMerger mergers_video[] = { | ||
350 | { | ||
351 | .offset = offsetof(AVFilterFormatsConfig, formats), | ||
352 | .merge = merge_pix_fmts, | ||
353 | .can_merge = can_merge_pix_fmts, | ||
354 | }, | ||
355 | { | ||
356 | .offset = offsetof(AVFilterFormatsConfig, color_spaces), | ||
357 | .merge = merge_generic, | ||
358 | .can_merge = can_merge_generic, | ||
359 | }, | ||
360 | { | ||
361 | .offset = offsetof(AVFilterFormatsConfig, color_ranges), | ||
362 | .merge = merge_generic, | ||
363 | .can_merge = can_merge_generic, | ||
364 | }, | ||
365 | }; | ||
366 | |||
367 | static const AVFilterFormatsMerger mergers_audio[] = { | ||
368 | { | ||
369 | .offset = offsetof(AVFilterFormatsConfig, channel_layouts), | ||
370 | .merge = merge_channel_layouts, | ||
371 | .can_merge = can_merge_channel_layouts, | ||
372 | }, | ||
373 | { | ||
374 | .offset = offsetof(AVFilterFormatsConfig, samplerates), | ||
375 | .merge = merge_samplerates, | ||
376 | .can_merge = can_merge_samplerates, | ||
377 | }, | ||
378 | { | ||
379 | .offset = offsetof(AVFilterFormatsConfig, formats), | ||
380 | .merge = merge_sample_fmts, | ||
381 | .can_merge = can_merge_sample_fmts, | ||
382 | }, | ||
383 | }; | ||
384 | |||
385 | static const AVFilterNegotiation negotiate_video = { | ||
386 | .nb_mergers = FF_ARRAY_ELEMS(mergers_video), | ||
387 | .mergers = mergers_video, | ||
388 | .conversion_filter = "scale", | ||
389 | .conversion_opts_offset = offsetof(AVFilterGraph, scale_sws_opts), | ||
390 | }; | ||
391 | |||
392 | static const AVFilterNegotiation negotiate_audio = { | ||
393 | .nb_mergers = FF_ARRAY_ELEMS(mergers_audio), | ||
394 | .mergers = mergers_audio, | ||
395 | .conversion_filter = "aresample", | ||
396 | .conversion_opts_offset = offsetof(AVFilterGraph, aresample_swr_opts), | ||
397 | }; | ||
398 | |||
399 | 26308 | const AVFilterNegotiation *ff_filter_get_negotiation(AVFilterLink *link) | |
400 | { | ||
401 |
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26308 | switch (link->type) { |
402 | 20846 | case AVMEDIA_TYPE_VIDEO: return &negotiate_video; | |
403 | 5462 | case AVMEDIA_TYPE_AUDIO: return &negotiate_audio; | |
404 | ✗ | default: return NULL; | |
405 | } | ||
406 | } | ||
407 | |||
408 | 7130 | int ff_fmt_is_in(int fmt, const int *fmts) | |
409 | { | ||
410 | const int *p; | ||
411 | |||
412 |
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9170 | for (p = fmts; *p != -1; p++) { |
413 |
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9083 | if (fmt == *p) |
414 | 7043 | return 1; | |
415 | } | ||
416 | 87 | return 0; | |
417 | } | ||
418 | |||
419 | #define MAKE_FORMAT_LIST(type, field, count_field) \ | ||
420 | type *formats; \ | ||
421 | int count = 0; \ | ||
422 | if (fmts) \ | ||
423 | for (count = 0; fmts[count] != -1; count++) \ | ||
424 | ; \ | ||
425 | formats = av_mallocz(sizeof(*formats)); \ | ||
426 | if (!formats) \ | ||
427 | return NULL; \ | ||
428 | formats->count_field = count; \ | ||
429 | if (count) { \ | ||
430 | formats->field = av_malloc_array(count, sizeof(*formats->field)); \ | ||
431 | if (!formats->field) { \ | ||
432 | av_freep(&formats); \ | ||
433 | return NULL; \ | ||
434 | } \ | ||
435 | } | ||
436 | |||
437 | 9271 | AVFilterFormats *ff_make_format_list(const int *fmts) | |
438 | { | ||
439 |
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86759 | MAKE_FORMAT_LIST(AVFilterFormats, formats, nb_formats); |
440 |
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86759 | while (count--) |
441 | 77488 | formats->formats[count] = fmts[count]; | |
442 | |||
443 | 9271 | return formats; | |
444 | } | ||
445 | |||
446 | 31 | AVFilterChannelLayouts *ff_make_channel_layout_list(const AVChannelLayout *fmts) | |
447 | { | ||
448 | AVFilterChannelLayouts *ch_layouts; | ||
449 | 31 | int count = 0; | |
450 |
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31 | if (fmts) |
451 |
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62 | for (count = 0; fmts[count].nb_channels; count++) |
452 | ; | ||
453 | 31 | ch_layouts = av_mallocz(sizeof(*ch_layouts)); | |
454 |
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31 | if (!ch_layouts) |
455 | ✗ | return NULL; | |
456 | 31 | ch_layouts->nb_channel_layouts = count; | |
457 |
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31 | if (count) { |
458 | 62 | ch_layouts->channel_layouts = | |
459 | 31 | av_calloc(count, sizeof(*ch_layouts->channel_layouts)); | |
460 |
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31 | if (!ch_layouts->channel_layouts) { |
461 | ✗ | av_freep(&ch_layouts); | |
462 | ✗ | return NULL; | |
463 | } | ||
464 |
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62 | for (int i = 0; i < count; i++) { |
465 | 31 | int ret = av_channel_layout_copy(&ch_layouts->channel_layouts[i], &fmts[i]); | |
466 |
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31 | if (ret < 0) |
467 | ✗ | goto fail; | |
468 | } | ||
469 | } | ||
470 | |||
471 | 31 | return ch_layouts; | |
472 | |||
473 | ✗ | fail: | |
474 | ✗ | for (int i = 0; i < count; i++) | |
475 | ✗ | av_channel_layout_uninit(&ch_layouts->channel_layouts[i]); | |
476 | ✗ | av_free(ch_layouts->channel_layouts); | |
477 | ✗ | av_freep(&ch_layouts); | |
478 | |||
479 | ✗ | return NULL; | |
480 | } | ||
481 | |||
482 | #define ADD_FORMAT(f, fmt, unref_fn, type, list, nb) \ | ||
483 | do { \ | ||
484 | type *fmts; \ | ||
485 | \ | ||
486 | if (!(*f) && !(*f = av_mallocz(sizeof(**f)))) { \ | ||
487 | return AVERROR(ENOMEM); \ | ||
488 | } \ | ||
489 | \ | ||
490 | fmts = av_realloc_array((*f)->list, (*f)->nb + 1, \ | ||
491 | sizeof(*(*f)->list)); \ | ||
492 | if (!fmts) { \ | ||
493 | unref_fn(f); \ | ||
494 | return AVERROR(ENOMEM); \ | ||
495 | } \ | ||
496 | \ | ||
497 | (*f)->list = fmts; \ | ||
498 | ASSIGN_FMT(f, fmt, list, nb); \ | ||
499 | } while (0) | ||
500 | |||
501 | #define ASSIGN_FMT(f, fmt, list, nb) \ | ||
502 | do { \ | ||
503 | (*f)->list[(*f)->nb++] = fmt; \ | ||
504 | } while (0) | ||
505 | |||
506 | 2441828 | int ff_add_format(AVFilterFormats **avff, int64_t fmt) | |
507 | { | ||
508 |
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2441828 | ADD_FORMAT(avff, fmt, ff_formats_unref, int, formats, nb_formats); |
509 | 2441828 | return 0; | |
510 | } | ||
511 | |||
512 | #undef ASSIGN_FMT | ||
513 | #define ASSIGN_FMT(f, fmt, list, nb) \ | ||
514 | do { \ | ||
515 | int ret; \ | ||
516 | memset((*f)->list + (*f)->nb, 0, sizeof(*(*f)->list)); \ | ||
517 | ret = av_channel_layout_copy(&(*f)->list[(*f)->nb], fmt); \ | ||
518 | if (ret < 0) \ | ||
519 | return ret; \ | ||
520 | (*f)->nb++; \ | ||
521 | } while (0) | ||
522 | |||
523 | 2576 | int ff_add_channel_layout(AVFilterChannelLayouts **l, | |
524 | const AVChannelLayout *channel_layout) | ||
525 | { | ||
526 | av_assert1(!(*l && (*l)->all_layouts)); | ||
527 |
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2576 | ADD_FORMAT(l, channel_layout, ff_channel_layouts_unref, AVChannelLayout, channel_layouts, nb_channel_layouts); |
528 | 2576 | return 0; | |
529 | } | ||
530 | |||
531 | 58 | AVFilterFormats *ff_make_formats_list_singleton(int fmt) | |
532 | { | ||
533 | 58 | int fmts[2] = { fmt, -1 }; | |
534 | 58 | return ff_make_format_list(fmts); | |
535 | } | ||
536 | |||
537 | 35046 | AVFilterFormats *ff_all_formats(enum AVMediaType type) | |
538 | { | ||
539 | 35046 | AVFilterFormats *ret = NULL; | |
540 | |||
541 |
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35046 | if (type == AVMEDIA_TYPE_VIDEO) { |
542 | 25697 | return ff_formats_pixdesc_filter(0, 0); | |
543 |
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9349 | } else if (type == AVMEDIA_TYPE_AUDIO) { |
544 | 9349 | enum AVSampleFormat fmt = 0; | |
545 |
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121537 | while (av_get_sample_fmt_name(fmt)) { |
546 |
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112188 | if (ff_add_format(&ret, fmt) < 0) |
547 | ✗ | return NULL; | |
548 | 112188 | fmt++; | |
549 | } | ||
550 | } | ||
551 | |||
552 | 9349 | return ret; | |
553 | } | ||
554 | |||
555 | 26284 | AVFilterFormats *ff_formats_pixdesc_filter(unsigned want, unsigned rej) | |
556 | { | ||
557 | unsigned nb_formats, fmt, flags; | ||
558 | 26284 | AVFilterFormats *formats = NULL; | |
559 | |||
560 | while (1) { | ||
561 | 52568 | nb_formats = 0; | |
562 | 12038072 | for (fmt = 0;; fmt++) { | |
563 | 12038072 | const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(fmt); | |
564 |
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12038072 | if (!desc) |
565 | 52568 | break; | |
566 | 11985504 | flags = desc->flags; | |
567 |
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11985504 | if (!(desc->flags & AV_PIX_FMT_FLAG_HWACCEL) && |
568 |
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11249552 | !(desc->flags & AV_PIX_FMT_FLAG_PLANAR) && |
569 |
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4993960 | (desc->log2_chroma_w || desc->log2_chroma_h)) |
570 | 420544 | flags |= FF_PIX_FMT_FLAG_SW_FLAT_SUB; | |
571 |
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11985504 | if ((flags & (want | rej)) != want) |
572 | 16736 | continue; | |
573 |
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11968768 | if (formats) |
574 | 5984384 | formats->formats[nb_formats] = fmt; | |
575 | 11968768 | nb_formats++; | |
576 | } | ||
577 |
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52568 | if (formats) { |
578 |
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26284 | av_assert0(formats->nb_formats == nb_formats); |
579 | 26284 | return formats; | |
580 | } | ||
581 | 26284 | formats = av_mallocz(sizeof(*formats)); | |
582 |
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26284 | if (!formats) |
583 | ✗ | return NULL; | |
584 | 26284 | formats->nb_formats = nb_formats; | |
585 |
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26284 | if (nb_formats) { |
586 | 26284 | formats->formats = av_malloc_array(nb_formats, sizeof(*formats->formats)); | |
587 |
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26284 | if (!formats->formats) { |
588 | ✗ | av_freep(&formats); | |
589 | ✗ | return NULL; | |
590 | } | ||
591 | } | ||
592 | } | ||
593 | } | ||
594 | |||
595 | 40 | AVFilterFormats *ff_planar_sample_fmts(void) | |
596 | { | ||
597 | 40 | AVFilterFormats *ret = NULL; | |
598 | int fmt; | ||
599 | |||
600 |
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520 | for (fmt = 0; av_get_bytes_per_sample(fmt)>0; fmt++) |
601 |
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480 | if (av_sample_fmt_is_planar(fmt)) |
602 |
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240 | if (ff_add_format(&ret, fmt) < 0) |
603 | ✗ | return NULL; | |
604 | |||
605 | 40 | return ret; | |
606 | } | ||
607 | |||
608 | 35983 | AVFilterFormats *ff_all_samplerates(void) | |
609 | { | ||
610 | 35983 | AVFilterFormats *ret = av_mallocz(sizeof(*ret)); | |
611 | 35983 | return ret; | |
612 | } | ||
613 | |||
614 | 5 | AVFilterChannelLayouts *ff_all_channel_layouts(void) | |
615 | { | ||
616 | 5 | AVFilterChannelLayouts *ret = av_mallocz(sizeof(*ret)); | |
617 |
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5 | if (!ret) |
618 | ✗ | return NULL; | |
619 | 5 | ret->all_layouts = 1; | |
620 | 5 | return ret; | |
621 | } | ||
622 | |||
623 | 37862 | AVFilterChannelLayouts *ff_all_channel_counts(void) | |
624 | { | ||
625 | 37862 | AVFilterChannelLayouts *ret = av_mallocz(sizeof(*ret)); | |
626 |
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37862 | if (!ret) |
627 | ✗ | return NULL; | |
628 | 37862 | ret->all_layouts = ret->all_counts = 1; | |
629 | 37862 | return ret; | |
630 | } | ||
631 | |||
632 | 32748 | AVFilterFormats *ff_all_color_spaces(void) | |
633 | { | ||
634 | 32748 | AVFilterFormats *ret = NULL; | |
635 |
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32748 | if (ff_add_format(&ret, AVCOL_SPC_UNSPECIFIED) < 0) |
636 | ✗ | return NULL; | |
637 |
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622212 | for (int csp = 0; csp < AVCOL_SPC_NB; csp++) { |
638 |
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589464 | if (csp == AVCOL_SPC_RESERVED || |
639 | csp == AVCOL_SPC_UNSPECIFIED) | ||
640 | 65496 | continue; | |
641 |
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523968 | if (ff_add_format(&ret, csp) < 0) |
642 | ✗ | return NULL; | |
643 | } | ||
644 | |||
645 | 32748 | return ret; | |
646 | } | ||
647 | |||
648 | 40636 | AVFilterFormats *ff_all_color_ranges(void) | |
649 | { | ||
650 | 40636 | AVFilterFormats *ret = NULL; | |
651 |
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162544 | for (int range = 0; range < AVCOL_RANGE_NB; range++) { |
652 |
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121908 | if (ff_add_format(&ret, range) < 0) |
653 | ✗ | return NULL; | |
654 | } | ||
655 | |||
656 | 40636 | return ret; | |
657 | } | ||
658 | |||
659 | #define FORMATS_REF(f, ref, unref_fn) \ | ||
660 | void *tmp; \ | ||
661 | \ | ||
662 | if (!f) \ | ||
663 | return AVERROR(ENOMEM); \ | ||
664 | \ | ||
665 | tmp = av_realloc_array(f->refs, sizeof(*f->refs), f->refcount + 1); \ | ||
666 | if (!tmp) { \ | ||
667 | unref_fn(&f); \ | ||
668 | return AVERROR(ENOMEM); \ | ||
669 | } \ | ||
670 | f->refs = tmp; \ | ||
671 | f->refs[f->refcount++] = ref; \ | ||
672 | *ref = f; \ | ||
673 | return 0 | ||
674 | |||
675 | 10916 | int ff_channel_layouts_ref(AVFilterChannelLayouts *f, AVFilterChannelLayouts **ref) | |
676 | { | ||
677 |
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10916 | FORMATS_REF(f, ref, ff_channel_layouts_unref); |
678 | } | ||
679 | |||
680 | 155947 | int ff_formats_ref(AVFilterFormats *f, AVFilterFormats **ref) | |
681 | { | ||
682 |
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155947 | FORMATS_REF(f, ref, ff_formats_unref); |
683 | } | ||
684 | |||
685 | #define FIND_REF_INDEX(ref, idx) \ | ||
686 | do { \ | ||
687 | int i; \ | ||
688 | for (i = 0; i < (*ref)->refcount; i ++) \ | ||
689 | if((*ref)->refs[i] == ref) { \ | ||
690 | idx = i; \ | ||
691 | break; \ | ||
692 | } \ | ||
693 | } while (0) | ||
694 | |||
695 | #define FORMATS_UNREF(ref, list) \ | ||
696 | do { \ | ||
697 | int idx = -1; \ | ||
698 | \ | ||
699 | if (!*ref) \ | ||
700 | return; \ | ||
701 | \ | ||
702 | FIND_REF_INDEX(ref, idx); \ | ||
703 | \ | ||
704 | if (idx >= 0) { \ | ||
705 | memmove((*ref)->refs + idx, (*ref)->refs + idx + 1, \ | ||
706 | sizeof(*(*ref)->refs) * ((*ref)->refcount - idx - 1)); \ | ||
707 | --(*ref)->refcount; \ | ||
708 | } \ | ||
709 | if (!(*ref)->refcount) { \ | ||
710 | FREE_LIST(ref, list); \ | ||
711 | av_free((*ref)->list); \ | ||
712 | av_free((*ref)->refs); \ | ||
713 | av_free(*ref); \ | ||
714 | } \ | ||
715 | *ref = NULL; \ | ||
716 | } while (0) | ||
717 | |||
718 | #define FREE_LIST(ref, list) do { } while(0) | ||
719 | 583340 | void ff_formats_unref(AVFilterFormats **ref) | |
720 | { | ||
721 |
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631959 | FORMATS_UNREF(ref, formats); |
722 | } | ||
723 | |||
724 | #undef FREE_LIST | ||
725 | #define FREE_LIST(ref, list) \ | ||
726 | do { \ | ||
727 | for (int i = 0; i < (*ref)->nb_channel_layouts; i++) \ | ||
728 | av_channel_layout_uninit(&(*ref)->list[i]); \ | ||
729 | } while(0) | ||
730 | |||
731 | 150938 | void ff_channel_layouts_unref(AVFilterChannelLayouts **ref) | |
732 | { | ||
733 |
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161190 | FORMATS_UNREF(ref, channel_layouts); |
734 | } | ||
735 | |||
736 | #define FORMATS_CHANGEREF(oldref, newref) \ | ||
737 | do { \ | ||
738 | int idx = -1; \ | ||
739 | \ | ||
740 | FIND_REF_INDEX(oldref, idx); \ | ||
741 | \ | ||
742 | if (idx >= 0) { \ | ||
743 | (*oldref)->refs[idx] = newref; \ | ||
744 | *newref = *oldref; \ | ||
745 | *oldref = NULL; \ | ||
746 | } \ | ||
747 | } while (0) | ||
748 | |||
749 | 466 | void ff_channel_layouts_changeref(AVFilterChannelLayouts **oldref, | |
750 | AVFilterChannelLayouts **newref) | ||
751 | { | ||
752 |
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1879 | FORMATS_CHANGEREF(oldref, newref); |
753 | 466 | } | |
754 | |||
755 | 2714 | void ff_formats_changeref(AVFilterFormats **oldref, AVFilterFormats **newref) | |
756 | { | ||
757 |
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3751 | FORMATS_CHANGEREF(oldref, newref); |
758 | 2714 | } | |
759 | |||
760 | #define SET_COMMON_FORMATS(ctx, fmts, media_type, ref_fn, unref_fn) \ | ||
761 | int i; \ | ||
762 | \ | ||
763 | if (!fmts) \ | ||
764 | return AVERROR(ENOMEM); \ | ||
765 | \ | ||
766 | for (i = 0; i < ctx->nb_inputs; i++) { \ | ||
767 | AVFilterLink *const link = ctx->inputs[i]; \ | ||
768 | if (link && !link->outcfg.fmts && \ | ||
769 | (media_type == AVMEDIA_TYPE_UNKNOWN || link->type == media_type)) { \ | ||
770 | int ret = ref_fn(fmts, &ctx->inputs[i]->outcfg.fmts); \ | ||
771 | if (ret < 0) { \ | ||
772 | return ret; \ | ||
773 | } \ | ||
774 | } \ | ||
775 | } \ | ||
776 | for (i = 0; i < ctx->nb_outputs; i++) { \ | ||
777 | AVFilterLink *const link = ctx->outputs[i]; \ | ||
778 | if (link && !link->incfg.fmts && \ | ||
779 | (media_type == AVMEDIA_TYPE_UNKNOWN || link->type == media_type)) { \ | ||
780 | int ret = ref_fn(fmts, &ctx->outputs[i]->incfg.fmts); \ | ||
781 | if (ret < 0) { \ | ||
782 | return ret; \ | ||
783 | } \ | ||
784 | } \ | ||
785 | } \ | ||
786 | \ | ||
787 | if (!fmts->refcount) \ | ||
788 | unref_fn(&fmts); \ | ||
789 | \ | ||
790 | return 0; | ||
791 | |||
792 | 36546 | int ff_set_common_channel_layouts(AVFilterContext *ctx, | |
793 | AVFilterChannelLayouts *channel_layouts) | ||
794 | { | ||
795 |
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94084 | SET_COMMON_FORMATS(ctx, channel_layouts, AVMEDIA_TYPE_AUDIO, |
796 | ff_channel_layouts_ref, ff_channel_layouts_unref); | ||
797 | } | ||
798 | |||
799 | 28 | int ff_set_common_channel_layouts_from_list(AVFilterContext *ctx, | |
800 | const AVChannelLayout *fmts) | ||
801 | { | ||
802 | 28 | return ff_set_common_channel_layouts(ctx, ff_make_channel_layout_list(fmts)); | |
803 | } | ||
804 | |||
805 | 32416 | int ff_set_common_all_channel_counts(AVFilterContext *ctx) | |
806 | { | ||
807 | 32416 | return ff_set_common_channel_layouts(ctx, ff_all_channel_counts()); | |
808 | } | ||
809 | |||
810 | 35339 | int ff_set_common_samplerates(AVFilterContext *ctx, | |
811 | AVFilterFormats *samplerates) | ||
812 | { | ||
813 |
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91738 | SET_COMMON_FORMATS(ctx, samplerates, AVMEDIA_TYPE_AUDIO, |
814 | ff_formats_ref, ff_formats_unref); | ||
815 | } | ||
816 | |||
817 | 46 | int ff_set_common_samplerates_from_list(AVFilterContext *ctx, | |
818 | const int *samplerates) | ||
819 | { | ||
820 | 46 | return ff_set_common_samplerates(ctx, ff_make_format_list(samplerates)); | |
821 | } | ||
822 | |||
823 | 32483 | int ff_set_common_all_samplerates(AVFilterContext *ctx) | |
824 | { | ||
825 | 32483 | return ff_set_common_samplerates(ctx, ff_all_samplerates()); | |
826 | } | ||
827 | |||
828 | 37192 | int ff_set_common_color_spaces(AVFilterContext *ctx, | |
829 | AVFilterFormats *color_spaces) | ||
830 | { | ||
831 |
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94108 | SET_COMMON_FORMATS(ctx, color_spaces, AVMEDIA_TYPE_VIDEO, |
832 | ff_formats_ref, ff_formats_unref); | ||
833 | } | ||
834 | |||
835 | ✗ | int ff_set_common_color_spaces_from_list(AVFilterContext *ctx, | |
836 | const int *color_ranges) | ||
837 | { | ||
838 | ✗ | return ff_set_common_color_spaces(ctx, ff_make_format_list(color_ranges)); | |
839 | } | ||
840 | |||
841 | 32748 | int ff_set_common_all_color_spaces(AVFilterContext *ctx) | |
842 | { | ||
843 | 32748 | return ff_set_common_color_spaces(ctx, ff_all_color_spaces()); | |
844 | } | ||
845 | |||
846 | 37192 | int ff_set_common_color_ranges(AVFilterContext *ctx, | |
847 | AVFilterFormats *color_ranges) | ||
848 | { | ||
849 |
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94108 | SET_COMMON_FORMATS(ctx, color_ranges, AVMEDIA_TYPE_VIDEO, |
850 | ff_formats_ref, ff_formats_unref); | ||
851 | } | ||
852 | |||
853 | ✗ | int ff_set_common_color_ranges_from_list(AVFilterContext *ctx, | |
854 | const int *color_ranges) | ||
855 | { | ||
856 | ✗ | return ff_set_common_color_ranges(ctx, ff_make_format_list(color_ranges)); | |
857 | } | ||
858 | |||
859 | 32748 | int ff_set_common_all_color_ranges(AVFilterContext *ctx) | |
860 | { | ||
861 | 32748 | return ff_set_common_color_ranges(ctx, ff_all_color_ranges()); | |
862 | } | ||
863 | |||
864 | /** | ||
865 | * A helper for query_formats() which sets all links to the same list of | ||
866 | * formats. If there are no links hooked to this filter, the list of formats is | ||
867 | * freed. | ||
868 | */ | ||
869 | 48855 | int ff_set_common_formats(AVFilterContext *ctx, AVFilterFormats *formats) | |
870 | { | ||
871 |
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126989 | SET_COMMON_FORMATS(ctx, formats, AVMEDIA_TYPE_UNKNOWN, |
872 | ff_formats_ref, ff_formats_unref); | ||
873 | } | ||
874 | |||
875 | 123 | int ff_set_common_formats_from_list(AVFilterContext *ctx, const int *fmts) | |
876 | { | ||
877 | 123 | return ff_set_common_formats(ctx, ff_make_format_list(fmts)); | |
878 | } | ||
879 | |||
880 | 32781 | int ff_default_query_formats(AVFilterContext *ctx) | |
881 | { | ||
882 | 32781 | const AVFilter *const f = ctx->filter; | |
883 | AVFilterFormats *formats; | ||
884 | enum AVMediaType type; | ||
885 | int ret; | ||
886 | |||
887 |
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32781 | switch (f->formats_state) { |
888 | 336 | case FF_FILTER_FORMATS_PIXFMT_LIST: | |
889 | 336 | type = AVMEDIA_TYPE_VIDEO; | |
890 | 336 | formats = ff_make_format_list(f->formats.pixels_list); | |
891 | 336 | break; | |
892 | 20 | case FF_FILTER_FORMATS_SAMPLEFMTS_LIST: | |
893 | 20 | type = AVMEDIA_TYPE_AUDIO; | |
894 | 20 | formats = ff_make_format_list(f->formats.samples_list); | |
895 | 20 | break; | |
896 | 33 | case FF_FILTER_FORMATS_SINGLE_PIXFMT: | |
897 | 33 | type = AVMEDIA_TYPE_VIDEO; | |
898 | 33 | formats = ff_make_formats_list_singleton(f->formats.pix_fmt); | |
899 | 33 | break; | |
900 | 13 | case FF_FILTER_FORMATS_SINGLE_SAMPLEFMT: | |
901 | 13 | type = AVMEDIA_TYPE_AUDIO; | |
902 | 13 | formats = ff_make_formats_list_singleton(f->formats.sample_fmt); | |
903 | 13 | break; | |
904 | 32379 | default: | |
905 | av_assert2(!"Unreachable"); | ||
906 | /* Intended fallthrough */ | ||
907 | case FF_FILTER_FORMATS_PASSTHROUGH: | ||
908 | case FF_FILTER_FORMATS_QUERY_FUNC: | ||
909 | 32379 | type = AVMEDIA_TYPE_UNKNOWN; | |
910 |
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38936 | formats = ff_all_formats(ctx->nb_inputs ? ctx->inputs [0]->type : |
911 |
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6557 | ctx->nb_outputs ? ctx->outputs[0]->type : |
912 | AVMEDIA_TYPE_VIDEO); | ||
913 | 32379 | break; | |
914 | } | ||
915 | |||
916 | 32781 | ret = ff_set_common_formats(ctx, formats); | |
917 |
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32781 | if (ret < 0) |
918 | ✗ | return ret; | |
919 |
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32781 | if (type != AVMEDIA_TYPE_AUDIO) { |
920 | 32748 | ret = ff_set_common_all_color_spaces(ctx); | |
921 |
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32748 | if (ret < 0) |
922 | ✗ | return ret; | |
923 | 32748 | ret = ff_set_common_all_color_ranges(ctx); | |
924 |
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32748 | if (ret < 0) |
925 | ✗ | return ret; | |
926 | } | ||
927 |
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32781 | if (type != AVMEDIA_TYPE_VIDEO) { |
928 | 32412 | ret = ff_set_common_all_channel_counts(ctx); | |
929 |
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32412 | if (ret < 0) |
930 | ✗ | return ret; | |
931 | 32412 | ret = ff_set_common_all_samplerates(ctx); | |
932 |
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32412 | if (ret < 0) |
933 | ✗ | return ret; | |
934 | } | ||
935 | |||
936 | 32781 | return 0; | |
937 | } | ||
938 | |||
939 | /* internal functions for parsing audio format arguments */ | ||
940 | |||
941 | 10528 | int ff_parse_pixel_format(enum AVPixelFormat *ret, const char *arg, void *log_ctx) | |
942 | { | ||
943 | char *tail; | ||
944 | 10528 | int pix_fmt = av_get_pix_fmt(arg); | |
945 |
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10528 | if (pix_fmt == AV_PIX_FMT_NONE) { |
946 | ✗ | pix_fmt = strtol(arg, &tail, 0); | |
947 | ✗ | if (*tail || !av_pix_fmt_desc_get(pix_fmt)) { | |
948 | ✗ | av_log(log_ctx, AV_LOG_ERROR, "Invalid pixel format '%s'\n", arg); | |
949 | ✗ | return AVERROR(EINVAL); | |
950 | } | ||
951 | } | ||
952 | 10528 | *ret = pix_fmt; | |
953 | 10528 | return 0; | |
954 | } | ||
955 | |||
956 | 15 | int ff_parse_sample_rate(int *ret, const char *arg, void *log_ctx) | |
957 | { | ||
958 | char *tail; | ||
959 | 15 | double srate = av_strtod(arg, &tail); | |
960 |
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15 | if (*tail || srate < 1 || (int)srate != srate || srate > INT_MAX) { |
961 | ✗ | av_log(log_ctx, AV_LOG_ERROR, "Invalid sample rate '%s'\n", arg); | |
962 | ✗ | return AVERROR(EINVAL); | |
963 | } | ||
964 | 15 | *ret = srate; | |
965 | 15 | return 0; | |
966 | } | ||
967 | |||
968 | 65 | int ff_parse_channel_layout(AVChannelLayout *ret, int *nret, const char *arg, | |
969 | void *log_ctx) | ||
970 | { | ||
971 | 65 | AVChannelLayout chlayout = { 0 }; | |
972 | int res; | ||
973 | |||
974 | 65 | res = av_channel_layout_from_string(&chlayout, arg); | |
975 |
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65 | if (res < 0) { |
976 | 5 | av_log(log_ctx, AV_LOG_ERROR, "Invalid channel layout '%s'\n", arg); | |
977 | 5 | return AVERROR(EINVAL); | |
978 | } | ||
979 | |||
980 |
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60 | if (chlayout.order == AV_CHANNEL_ORDER_UNSPEC && !nret) { |
981 | ✗ | av_log(log_ctx, AV_LOG_ERROR, "Unknown channel layout '%s' is not supported.\n", arg); | |
982 | ✗ | return AVERROR(EINVAL); | |
983 | } | ||
984 | 60 | *ret = chlayout; | |
985 |
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60 | if (nret) |
986 | 60 | *nret = chlayout.nb_channels; | |
987 | |||
988 | 60 | return 0; | |
989 | } | ||
990 | |||
991 | 113246 | static int check_list(void *log, const char *name, const AVFilterFormats *fmts) | |
992 | { | ||
993 | unsigned i, j; | ||
994 | |||
995 |
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113246 | if (!fmts) |
996 | 50447 | return 0; | |
997 |
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62799 | if (!fmts->nb_formats) { |
998 | ✗ | av_log(log, AV_LOG_ERROR, "Empty %s list\n", name); | |
999 | ✗ | return AVERROR(EINVAL); | |
1000 | } | ||
1001 |
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2184535 | for (i = 0; i < fmts->nb_formats; i++) { |
1002 |
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189829259 | for (j = i + 1; j < fmts->nb_formats; j++) { |
1003 |
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187707523 | if (fmts->formats[i] == fmts->formats[j]) { |
1004 | ✗ | av_log(log, AV_LOG_ERROR, "Duplicated %s\n", name); | |
1005 | ✗ | return AVERROR(EINVAL); | |
1006 | } | ||
1007 | } | ||
1008 | } | ||
1009 | 62799 | return 0; | |
1010 | } | ||
1011 | |||
1012 | 34215 | int ff_formats_check_pixel_formats(void *log, const AVFilterFormats *fmts) | |
1013 | { | ||
1014 | 34215 | return check_list(log, "pixel format", fmts); | |
1015 | } | ||
1016 | |||
1017 | 8512 | int ff_formats_check_sample_formats(void *log, const AVFilterFormats *fmts) | |
1018 | { | ||
1019 | 8512 | return check_list(log, "sample format", fmts); | |
1020 | } | ||
1021 | |||
1022 | 8512 | int ff_formats_check_sample_rates(void *log, const AVFilterFormats *fmts) | |
1023 | { | ||
1024 |
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8512 | if (!fmts || !fmts->nb_formats) |
1025 | 6423 | return 0; | |
1026 | 2089 | return check_list(log, "sample rate", fmts); | |
1027 | } | ||
1028 | |||
1029 | 34215 | int ff_formats_check_color_spaces(void *log, const AVFilterFormats *fmts) | |
1030 | { | ||
1031 |
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101113 | for (int i = 0; fmts && i < fmts->nb_formats; i++) { |
1032 |
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66898 | if (fmts->formats[i] == AVCOL_SPC_RESERVED) { |
1033 | ✗ | av_log(log, AV_LOG_ERROR, "Invalid color range\n"); | |
1034 | ✗ | return AVERROR(EINVAL); | |
1035 | } | ||
1036 | } | ||
1037 | 34215 | return check_list(log, "color space", fmts); | |
1038 | } | ||
1039 | |||
1040 | 34215 | int ff_formats_check_color_ranges(void *log, const AVFilterFormats *fmts) | |
1041 | { | ||
1042 | 34215 | return check_list(log, "color range", fmts); | |
1043 | } | ||
1044 | |||
1045 | 3180 | static int layouts_compatible(const AVChannelLayout *a, const AVChannelLayout *b) | |
1046 | { | ||
1047 | 3180 | return !av_channel_layout_compare(a, b) || | |
1048 |
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6360 | (KNOWN(a) && !KNOWN(b) && a->nb_channels == b->nb_channels) || |
1049 |
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3180 | (KNOWN(b) && !KNOWN(a) && b->nb_channels == a->nb_channels); |
1050 | } | ||
1051 | |||
1052 | 8512 | int ff_formats_check_channel_layouts(void *log, const AVFilterChannelLayouts *fmts) | |
1053 | { | ||
1054 | unsigned i, j; | ||
1055 | |||
1056 |
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8512 | if (!fmts) |
1057 | ✗ | return 0; | |
1058 |
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8512 | if (fmts->all_layouts < fmts->all_counts) { |
1059 | ✗ | av_log(log, AV_LOG_ERROR, "Inconsistent generic list\n"); | |
1060 | ✗ | return AVERROR(EINVAL); | |
1061 | } | ||
1062 |
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8512 | if (!fmts->all_layouts && !fmts->nb_channel_layouts) { |
1063 | ✗ | av_log(log, AV_LOG_ERROR, "Empty channel layout list\n"); | |
1064 | ✗ | return AVERROR(EINVAL); | |
1065 | } | ||
1066 |
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10701 | for (i = 0; i < fmts->nb_channel_layouts; i++) { |
1067 |
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5369 | for (j = i + 1; j < fmts->nb_channel_layouts; j++) { |
1068 |
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3180 | if (layouts_compatible(&fmts->channel_layouts[i], &fmts->channel_layouts[j])) { |
1069 | ✗ | av_log(log, AV_LOG_ERROR, "Duplicated or redundant channel layout\n"); | |
1070 | ✗ | return AVERROR(EINVAL); | |
1071 | } | ||
1072 | } | ||
1073 | } | ||
1074 | 8512 | return 0; | |
1075 | } | ||
1076 |