FFmpeg coverage

Directory: ../../../ffmpeg/
File: src/libavcodec/avcodec.c
Date: 2026-02-18 00:28:21
Exec Total Coverage
Lines: 367 495 74.1%
Functions: 16 18 88.9%
Branches: 301 443 67.9%
Line Branch Exec Source
1 /*
2 * AVCodecContext functions for libavcodec
3 *
4 * This file is part of FFmpeg.
5 *
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20
21 /**
22 * @file
23 * AVCodecContext functions for libavcodec
24 */
25
26 #include <assert.h>
27
28 #include "config.h"
29 #include "libavutil/avassert.h"
30 #include "libavutil/avstring.h"
31 #include "libavutil/bprint.h"
32 #include "libavutil/channel_layout.h"
33 #include "libavutil/common.h"
34 #include "libavutil/emms.h"
35 #include "libavutil/imgutils.h"
36 #include "libavutil/mem.h"
37 #include "libavutil/opt.h"
38 #include "libavutil/thread.h"
39 #include "avcodec.h"
40 #include "avcodec_internal.h"
41 #include "bsf.h"
42 #include "codec_desc.h"
43 #include "codec_internal.h"
44 #include "decode.h"
45 #include "frame_thread_encoder.h"
46 #include "hwconfig.h"
47 #include "internal.h"
48 #include "libavutil/refstruct.h"
49
50 /**
51 * Maximum size in bytes of extradata.
52 * This value was chosen such that every bit of the buffer is
53 * addressable by a 32-bit signed integer as used by get_bits.
54 */
55 #define FF_MAX_EXTRADATA_SIZE ((1 << 28) - AV_INPUT_BUFFER_PADDING_SIZE)
56
57 const SideDataMap ff_sd_global_map[] = {
58 { AV_PKT_DATA_REPLAYGAIN , AV_FRAME_DATA_REPLAYGAIN },
59 { AV_PKT_DATA_DISPLAYMATRIX, AV_FRAME_DATA_DISPLAYMATRIX },
60 { AV_PKT_DATA_SPHERICAL, AV_FRAME_DATA_SPHERICAL },
61 { AV_PKT_DATA_STEREO3D, AV_FRAME_DATA_STEREO3D },
62 { AV_PKT_DATA_AUDIO_SERVICE_TYPE, AV_FRAME_DATA_AUDIO_SERVICE_TYPE },
63 { AV_PKT_DATA_MASTERING_DISPLAY_METADATA, AV_FRAME_DATA_MASTERING_DISPLAY_METADATA },
64 { AV_PKT_DATA_CONTENT_LIGHT_LEVEL, AV_FRAME_DATA_CONTENT_LIGHT_LEVEL },
65 { AV_PKT_DATA_ICC_PROFILE, AV_FRAME_DATA_ICC_PROFILE },
66 { AV_PKT_DATA_AMBIENT_VIEWING_ENVIRONMENT,AV_FRAME_DATA_AMBIENT_VIEWING_ENVIRONMENT },
67 { AV_PKT_DATA_3D_REFERENCE_DISPLAYS, AV_FRAME_DATA_3D_REFERENCE_DISPLAYS },
68 { AV_PKT_DATA_EXIF, AV_FRAME_DATA_EXIF },
69 { AV_PKT_DATA_NB },
70 };
71
72
73 27829 int avcodec_default_execute(AVCodecContext *c, int (*func)(AVCodecContext *c2, void *arg2), void *arg, int *ret, int count, int size)
74 {
75 size_t i;
76
77
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 1417855 for (i = 0; i < count; i++) {
78 1390026 size_t offset = i * size;
79
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 1390026 int r = func(c, FF_PTR_ADD((char *)arg, offset));
80
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 1390026 if (ret)
81 930 ret[i] = r;
82 }
83 27829 emms_c();
84 27829 return 0;
85 }
86
87 8709 int avcodec_default_execute2(AVCodecContext *c, int (*func)(AVCodecContext *c2, void *arg2, int jobnr, int threadnr), void *arg, int *ret, int count)
88 {
89 int i;
90
91
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 240425 for (i = 0; i < count; i++) {
92 231716 int r = func(c, arg, i, 0);
93
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 231716 if (ret)
94 50 ret[i] = r;
95 }
96 8709 emms_c();
97 8709 return 0;
98 }
99
100 static AVMutex codec_mutex = AV_MUTEX_INITIALIZER;
101
102 66753 static void lock_avcodec(const FFCodec *codec)
103 {
104
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 66753 if (codec->caps_internal & FF_CODEC_CAP_NOT_INIT_THREADSAFE && codec->init)
105 ✗ ff_mutex_lock(&codec_mutex);
106 66753 }
107
108 66753 static void unlock_avcodec(const FFCodec *codec)
109 {
110
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 66753 if (codec->caps_internal & FF_CODEC_CAP_NOT_INIT_THREADSAFE && codec->init)
111 ✗ ff_mutex_unlock(&codec_mutex);
112 66753 }
113
114 28733 static int64_t get_bit_rate(AVCodecContext *ctx)
115 {
116 int64_t bit_rate;
117 int bits_per_sample;
118
119
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 28733 switch (ctx->codec_type) {
120 23674 case AVMEDIA_TYPE_VIDEO:
121 case AVMEDIA_TYPE_DATA:
122 case AVMEDIA_TYPE_SUBTITLE:
123 case AVMEDIA_TYPE_ATTACHMENT:
124 23674 bit_rate = ctx->bit_rate;
125 23674 break;
126 5059 case AVMEDIA_TYPE_AUDIO:
127 5059 bits_per_sample = av_get_bits_per_sample(ctx->codec_id);
128
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 5059 if (bits_per_sample) {
129 2462 bit_rate = ctx->sample_rate * (int64_t)ctx->ch_layout.nb_channels;
130
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 2462 if (bit_rate > INT64_MAX / bits_per_sample) {
131 ✗ bit_rate = 0;
132 } else
133 2462 bit_rate *= bits_per_sample;
134 } else
135 2597 bit_rate = ctx->bit_rate;
136 5059 break;
137 ✗ default:
138 ✗ bit_rate = 0;
139 ✗ break;
140 }
141 28733 return bit_rate;
142 }
143
144 37510 int attribute_align_arg avcodec_open2(AVCodecContext *avctx, const AVCodec *codec, AVDictionary **options)
145 {
146 37510 int ret = 0;
147 AVCodecInternal *avci;
148 const FFCodec *codec2;
149 const AVDictionaryEntry *e;
150
151
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 37510 if (avcodec_is_open(avctx))
152 ✗ return 0;
153
154
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 37510 if (!codec && !avctx->codec) {
155 ✗ av_log(avctx, AV_LOG_ERROR, "No codec provided to avcodec_open2()\n");
156 ✗ return AVERROR(EINVAL);
157 }
158
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 37510 if (codec && avctx->codec && codec != avctx->codec) {
159 ✗ av_log(avctx, AV_LOG_ERROR, "This AVCodecContext was allocated for %s, "
160 ✗ "but %s passed to avcodec_open2()\n", avctx->codec->name, codec->name);
161 ✗ return AVERROR(EINVAL);
162 }
163
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 37510 if (!codec)
164 35 codec = avctx->codec;
165 37510 codec2 = ffcodec(codec);
166
167
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 37510 if ((avctx->codec_type != AVMEDIA_TYPE_UNKNOWN && avctx->codec_type != codec->type) ||
168
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 37510 (avctx->codec_id != AV_CODEC_ID_NONE && avctx->codec_id != codec->id)) {
169 ✗ av_log(avctx, AV_LOG_ERROR, "Codec type or id mismatches\n");
170 ✗ return AVERROR(EINVAL);
171 }
172
173 37510 avctx->codec_type = codec->type;
174 37510 avctx->codec_id = codec->id;
175 37510 avctx->codec = codec;
176
177
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 37510 if (avctx->extradata_size < 0 || avctx->extradata_size >= FF_MAX_EXTRADATA_SIZE)
178 ✗ return AVERROR(EINVAL);
179
180 // set the whitelist from provided options dict,
181 // so we can check it immediately
182
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 37510 e = options ? av_dict_get(*options, "codec_whitelist", NULL, 0) : NULL;
183
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 37510 if (e) {
184 ✗ ret = av_opt_set(avctx, e->key, e->value, 0);
185 ✗ if (ret < 0)
186 ✗ return ret;
187 }
188
189
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 37510 if (avctx->codec_whitelist && av_match_list(codec->name, avctx->codec_whitelist, ',') <= 0) {
190 ✗ av_log(avctx, AV_LOG_ERROR, "Codec (%s) not on whitelist \'%s\'\n", codec->name, avctx->codec_whitelist);
191 ✗ return AVERROR(EINVAL);
192 }
193
194
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 37510 avci = ff_codec_is_decoder(codec) ?
195 15951 ff_decode_internal_alloc() :
196 21559 ff_encode_internal_alloc();
197
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 37510 if (!avci) {
198 ✗ ret = AVERROR(ENOMEM);
199 ✗ goto end;
200 }
201 37510 avctx->internal = avci;
202
203 37510 avci->buffer_frame = av_frame_alloc();
204 37510 avci->buffer_pkt = av_packet_alloc();
205
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 37510 if (!avci->buffer_frame || !avci->buffer_pkt) {
206 ✗ ret = AVERROR(ENOMEM);
207 ✗ goto free_and_end;
208 }
209
210
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 37510 if (codec2->priv_data_size > 0) {
211
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 16633 if (!avctx->priv_data) {
212 8404 avctx->priv_data = av_mallocz(codec2->priv_data_size);
213
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 8404 if (!avctx->priv_data) {
214 ✗ ret = AVERROR(ENOMEM);
215 ✗ goto free_and_end;
216 }
217
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 8404 if (codec->priv_class) {
218 2500 *(const AVClass **)avctx->priv_data = codec->priv_class;
219 2500 av_opt_set_defaults(avctx->priv_data);
220 }
221 }
222 } else {
223 20877 avctx->priv_data = NULL;
224 }
225
226 37510 ret = av_opt_set_dict2(avctx, options, AV_OPT_SEARCH_CHILDREN);
227
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 37510 if (ret < 0)
228 ✗ goto free_and_end;
229
230 // only call ff_set_dimensions() for non H.264/VP6F/DXV codecs so as not to overwrite previously setup dimensions
231
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 37510 if (!(avctx->coded_width && avctx->coded_height && avctx->width && avctx->height &&
232
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 6 (avctx->codec_id == AV_CODEC_ID_H264 || avctx->codec_id == AV_CODEC_ID_VP6F || avctx->codec_id == AV_CODEC_ID_DXV))) {
233
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 37510 if (avctx->coded_width && avctx->coded_height)
234 34 ret = ff_set_dimensions(avctx, avctx->coded_width, avctx->coded_height);
235
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 37476 else if (avctx->width && avctx->height)
236 28154 ret = ff_set_dimensions(avctx, avctx->width, avctx->height);
237
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 37510 if (ret < 0)
238 ✗ goto free_and_end;
239 }
240
241
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 37510 if ((avctx->coded_width || avctx->coded_height || avctx->width || avctx->height)
242
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 28188 && ( av_image_check_size2(avctx->coded_width, avctx->coded_height, avctx->max_pixels, AV_PIX_FMT_NONE, 0, avctx) < 0
243
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 28188 || av_image_check_size2(avctx->width, avctx->height, avctx->max_pixels, AV_PIX_FMT_NONE, 0, avctx) < 0)) {
244 ✗ av_log(avctx, AV_LOG_WARNING, "Ignoring invalid width/height values\n");
245 ✗ ff_set_dimensions(avctx, 0, 0);
246 }
247
248
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 37510 if (avctx->width > 0 && avctx->height > 0) {
249
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 28188 if (av_image_check_sar(avctx->width, avctx->height,
250 avctx->sample_aspect_ratio) < 0) {
251 ✗ av_log(avctx, AV_LOG_WARNING, "ignoring invalid SAR: %u/%u\n",
252 avctx->sample_aspect_ratio.num,
253 avctx->sample_aspect_ratio.den);
254 ✗ avctx->sample_aspect_ratio = (AVRational){ 0, 1 };
255 }
256 }
257
258 /* AV_CODEC_CAP_CHANNEL_CONF is a decoder-only flag; so the code below
259 * in particular checks that sample_rate is set for all audio encoders. */
260
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 37510 if (avctx->sample_rate < 0 ||
261
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 37510 avctx->sample_rate == 0 && avctx->codec_type == AVMEDIA_TYPE_AUDIO &&
262
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 242 !(codec->capabilities & AV_CODEC_CAP_CHANNEL_CONF)) {
263 ✗ av_log(avctx, AV_LOG_ERROR, "Invalid sample rate: %d\n", avctx->sample_rate);
264 ✗ ret = AVERROR(EINVAL);
265 ✗ goto free_and_end;
266 }
267
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 37510 if (avctx->block_align < 0) {
268 ✗ av_log(avctx, AV_LOG_ERROR, "Invalid block align: %d\n", avctx->block_align);
269 ✗ ret = AVERROR(EINVAL);
270 ✗ goto free_and_end;
271 }
272
273 /* AV_CODEC_CAP_CHANNEL_CONF is a decoder-only flag; so the code below
274 * in particular checks that nb_channels is set for all audio encoders. */
275
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 37510 if (avctx->codec_type == AVMEDIA_TYPE_AUDIO && !avctx->ch_layout.nb_channels
276
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 241 && !(codec->capabilities & AV_CODEC_CAP_CHANNEL_CONF)) {
277 ✗ av_log(avctx, AV_LOG_ERROR, "%s requires channel layout to be set\n",
278 ✗ ff_codec_is_decoder(codec) ? "Decoder" : "Encoder");
279 ✗ ret = AVERROR(EINVAL);
280 ✗ goto free_and_end;
281 }
282
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 37510 if (avctx->ch_layout.nb_channels && !av_channel_layout_check(&avctx->ch_layout)) {
283 ✗ av_log(avctx, AV_LOG_ERROR, "Invalid channel layout\n");
284 ✗ ret = AVERROR(EINVAL);
285 ✗ goto free_and_end;
286 }
287
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 37510 if (avctx->ch_layout.nb_channels > FF_SANE_NB_CHANNELS) {
288 ✗ av_log(avctx, AV_LOG_ERROR, "Too many channels: %d\n", avctx->ch_layout.nb_channels);
289 ✗ ret = AVERROR(EINVAL);
290 ✗ goto free_and_end;
291 }
292
293 37510 avctx->frame_num = 0;
294 37510 avctx->codec_descriptor = avcodec_descriptor_get(avctx->codec_id);
295
296
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 37510 if ((avctx->codec->capabilities & AV_CODEC_CAP_EXPERIMENTAL) &&
297
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 7 avctx->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
298 ✗ const char *codec_string = ff_codec_is_encoder(codec) ? "encoder" : "decoder";
299 const AVCodec *codec2;
300 ✗ av_log(avctx, AV_LOG_ERROR,
301 "The %s '%s' is experimental but experimental codecs are not enabled, "
302 "add '-strict %d' if you want to use it.\n",
303 ✗ codec_string, codec->name, FF_COMPLIANCE_EXPERIMENTAL);
304 ✗ codec2 = ff_codec_is_encoder(codec) ? avcodec_find_encoder(codec->id) : avcodec_find_decoder(codec->id);
305 ✗ if (!(codec2->capabilities & AV_CODEC_CAP_EXPERIMENTAL))
306 ✗ av_log(avctx, AV_LOG_ERROR, "Alternatively use the non experimental %s '%s'.\n",
307 ✗ codec_string, codec2->name);
308 ✗ ret = AVERROR_EXPERIMENTAL;
309 ✗ goto free_and_end;
310 }
311
312
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 37510 if (avctx->codec_type == AVMEDIA_TYPE_AUDIO &&
313
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 4853 (!avctx->time_base.num || !avctx->time_base.den)) {
314 3510 avctx->time_base.num = 1;
315 3510 avctx->time_base.den = avctx->sample_rate;
316 }
317
318
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 37510 if (ff_codec_is_encoder(avctx->codec))
319 21559 ret = ff_encode_preinit(avctx);
320 else
321 15951 ret = ff_decode_preinit(avctx);
322
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 37510 if (ret < 0)
323 ✗ goto free_and_end;
324
325
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 37510 if (HAVE_THREADS && !avci->frame_thread_encoder) {
326 /* Frame-threaded decoders call FFCodec.init for their child contexts. */
327 35845 lock_avcodec(codec2);
328 35845 ret = ff_thread_init(avctx);
329 35845 unlock_avcodec(codec2);
330
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 35845 if (ret < 0) {
331 ✗ goto free_and_end;
332 }
333 }
334 if (!HAVE_THREADS && !(codec2->caps_internal & FF_CODEC_CAP_AUTO_THREADS))
335 avctx->thread_count = 1;
336
337
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 37510 if (!(avctx->active_thread_type & FF_THREAD_FRAME) ||
338
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 1675 avci->frame_thread_encoder) {
339
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 37500 if (codec2->init) {
340 30908 lock_avcodec(codec2);
341 30908 ret = codec2->init(avctx);
342 30908 unlock_avcodec(codec2);
343
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 30908 if (ret < 0) {
344 8 avci->needs_close = codec2->caps_internal & FF_CODEC_CAP_INIT_CLEANUP;
345 8 goto free_and_end;
346 }
347 }
348 37492 avci->needs_close = 1;
349 }
350
351 37502 ret=0;
352
353
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 37502 if (ff_codec_is_decoder(avctx->codec)) {
354
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 15943 if (!avctx->bit_rate)
355 11207 avctx->bit_rate = get_bit_rate(avctx);
356
357 15943 avci->skip_samples = avctx->delay;
358
359 /* validate channel layout from the decoder */
360
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 15943 if ((avctx->ch_layout.nb_channels && !av_channel_layout_check(&avctx->ch_layout)) ||
361
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 15943 avctx->ch_layout.nb_channels > FF_SANE_NB_CHANNELS) {
362 ✗ ret = AVERROR(EINVAL);
363 ✗ goto free_and_end;
364 }
365
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 15943 if (avctx->bits_per_coded_sample < 0) {
366 ✗ ret = AVERROR(EINVAL);
367 ✗ goto free_and_end;
368 }
369 }
370
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 37502 if (codec->priv_class)
371
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 5364 av_assert0(*(const AVClass **)avctx->priv_data == codec->priv_class);
372
373 37502 end:
374
375 37510 return ret;
376 8 free_and_end:
377 8 ff_codec_close(avctx);
378 8 goto end;
379 }
380
381 111 void avcodec_flush_buffers(AVCodecContext *avctx)
382 {
383 111 AVCodecInternal *avci = avctx->internal;
384
385
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 111 if (av_codec_is_encoder(avctx->codec)) {
386 ✗ int caps = avctx->codec->capabilities;
387
388 ✗ if (!(caps & AV_CODEC_CAP_ENCODER_FLUSH)) {
389 // Only encoders that explicitly declare support for it can be
390 // flushed. Otherwise, this is a no-op.
391 ✗ av_log(avctx, AV_LOG_WARNING, "Ignoring attempt to flush encoder "
392 "that doesn't support it\n");
393 ✗ return;
394 }
395 ✗ ff_encode_flush_buffers(avctx);
396 } else
397 111 ff_decode_flush_buffers(avctx);
398
399 111 avci->draining = 0;
400 111 avci->draining_done = 0;
401
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 111 if (avci->buffer_frame)
402 111 av_frame_unref(avci->buffer_frame);
403
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 111 if (avci->buffer_pkt)
404 111 av_packet_unref(avci->buffer_pkt);
405
406
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 111 if (HAVE_THREADS && avctx->active_thread_type & FF_THREAD_FRAME &&
407 ✗ !avci->is_frame_mt)
408 ✗ ff_thread_flush(avctx);
409
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 111 else if (ffcodec(avctx->codec)->flush)
410 34 ffcodec(avctx->codec)->flush(avctx);
411 }
412
413 1075 void avsubtitle_free(AVSubtitle *sub)
414 {
415 int i;
416
417
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 2095 for (i = 0; i < sub->num_rects; i++) {
418 1020 AVSubtitleRect *const rect = sub->rects[i];
419
420 1020 av_freep(&rect->data[0]);
421 1020 av_freep(&rect->data[1]);
422 1020 av_freep(&rect->data[2]);
423 1020 av_freep(&rect->data[3]);
424 1020 av_freep(&rect->text);
425 1020 av_freep(&rect->ass);
426
427 1020 av_freep(&sub->rects[i]);
428 }
429
430 1075 av_freep(&sub->rects);
431
432 1075 memset(sub, 0, sizeof(*sub));
433 1075 }
434
435 64450 av_cold void ff_codec_close(AVCodecContext *avctx)
436 {
437 int i;
438
439
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 64450 if (avcodec_is_open(avctx)) {
440 37510 AVCodecInternal *avci = avctx->internal;
441
442 #if CONFIG_FRAME_THREAD_ENCODER
443
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 37510 if (avci->frame_thread_encoder && avctx->thread_count > 1) {
444 1665 ff_frame_thread_encoder_free(avctx);
445 }
446 #endif
447
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 37510 if (HAVE_THREADS && avci->thread_ctx)
448 36 ff_thread_free(avctx);
449
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 37510 if (avci->needs_close && ffcodec(avctx->codec)->close)
450 7673 ffcodec(avctx->codec)->close(avctx);
451 37510 avci->byte_buffer_size = 0;
452 37510 av_freep(&avci->byte_buffer);
453 37510 av_frame_free(&avci->buffer_frame);
454 37510 av_packet_free(&avci->buffer_pkt);
455 37510 av_packet_free(&avci->last_pkt_props);
456
457 37510 av_packet_free(&avci->in_pkt);
458 37510 av_frame_free(&avci->in_frame);
459 37510 av_frame_free(&avci->recon_frame);
460
461 37510 av_refstruct_unref(&avci->pool);
462 37510 av_refstruct_pool_uninit(&avci->progress_frame_pool);
463
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 37510 if (av_codec_is_decoder(avctx->codec))
464 15951 ff_decode_internal_uninit(avctx);
465
466 37510 ff_hwaccel_uninit(avctx);
467
468 37510 av_bsf_free(&avci->bsf);
469
470 #if CONFIG_LCMS2
471 ff_icc_context_uninit(&avci->icc);
472 #endif
473
474 37510 av_freep(&avctx->internal);
475 }
476
477
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 68832 for (i = 0; i < avctx->nb_coded_side_data; i++)
478 4382 av_freep(&avctx->coded_side_data[i].data);
479 64450 av_freep(&avctx->coded_side_data);
480 64450 avctx->nb_coded_side_data = 0;
481 64450 av_frame_side_data_free(&avctx->decoded_side_data,
482 &avctx->nb_decoded_side_data);
483
484 64450 av_buffer_unref(&avctx->hw_frames_ctx);
485 64450 av_buffer_unref(&avctx->hw_device_ctx);
486
487
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 64450 if (avctx->priv_data && avctx->codec && avctx->codec->priv_class)
488 7864 av_opt_free(avctx->priv_data);
489 64450 av_opt_free(avctx);
490 64450 av_freep(&avctx->priv_data);
491
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 64450 if (av_codec_is_encoder(avctx->codec)) {
492 21559 av_freep(&avctx->extradata);
493 21559 avctx->extradata_size = 0;
494
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 42891 } else if (av_codec_is_decoder(avctx->codec))
495 32857 av_freep(&avctx->subtitle_header);
496
497 64450 avctx->codec = NULL;
498 64450 avctx->active_thread_type = 0;
499 64450 }
500
501 22556 static const char *unknown_if_null(const char *str)
502 {
503
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✗ Branch 1 not taken.
 22556 return str ? str : "unknown";
504 }
505
506 17535 void avcodec_string(char *buf, int buf_size, AVCodecContext *enc, int encode)
507 {
508 const char *codec_type;
509 const char *codec_name;
510 17535 const char *profile = NULL;
511 AVBPrint bprint;
512 int64_t bitrate;
513 17535 int new_line = 0;
514 AVRational display_aspect_ratio;
515
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 17535 const char *separator = enc->dump_separator ? (const char *)enc->dump_separator : ", ";
516 const char *str;
517
518
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 17535 if (!buf || buf_size <= 0)
519 9 return;
520 17535 av_bprint_init_for_buffer(&bprint, buf, buf_size);
521 17535 codec_type = av_get_media_type_string(enc->codec_type);
522 17535 codec_name = avcodec_get_name(enc->codec_id);
523 17535 profile = avcodec_profile_name(enc->codec_id, enc->profile);
524
525
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 17535 av_bprintf(&bprint, "%s: %s", codec_type ? codec_type : "unknown",
526 codec_name);
527 17535 buf[0] ^= 'a' ^ 'A'; /* first letter in uppercase */
528
529
4/4
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 17535 if (enc->codec && strcmp(enc->codec->name, codec_name))
530 323 av_bprintf(&bprint, " (%s)", enc->codec->name);
531
532
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 17535 if (profile)
533 2091 av_bprintf(&bprint, " (%s)", profile);
534
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 17535 if ( enc->codec_type == AVMEDIA_TYPE_VIDEO
535
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 13516 && av_log_get_level() >= AV_LOG_VERBOSE
536 ✗ && enc->refs)
537 ✗ av_bprintf(&bprint, ", %d reference frame%s",
538 ✗ enc->refs, enc->refs > 1 ? "s" : "");
539
540
2/2
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 17535 if (enc->codec_tag)
541 9904 av_bprintf(&bprint, " (%s / 0x%04X)",
542 9904 av_fourcc2str(enc->codec_tag), enc->codec_tag);
543
544
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 17535 switch (enc->codec_type) {
545 13516 case AVMEDIA_TYPE_VIDEO:
546 {
547 unsigned len;
548
549 13516 av_bprintf(&bprint, "%s%s", separator,
550
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 13516 enc->pix_fmt == AV_PIX_FMT_NONE ? "none" :
551 13466 unknown_if_null(av_get_pix_fmt_name(enc->pix_fmt)));
552
553 13516 av_bprint_chars(&bprint, '(', 1);
554 13516 len = bprint.len;
555
556 /* The following check ensures that '(' has been written
557 * and therefore allows us to erase it if it turns out
558 * to be unnecessary. */
559
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 13516 if (!av_bprint_is_complete(&bprint))
560 ✗ return;
561
562
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 13516 if (enc->bits_per_raw_sample && enc->pix_fmt != AV_PIX_FMT_NONE &&
563
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 1211 enc->bits_per_raw_sample < av_pix_fmt_desc_get(enc->pix_fmt)->comp[0].depth)
564 27 av_bprintf(&bprint, "%d bpc, ", enc->bits_per_raw_sample);
565
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 24692 if (enc->color_range != AVCOL_RANGE_UNSPECIFIED &&
566 11176 (str = av_color_range_name(enc->color_range)))
567 11176 av_bprintf(&bprint, "%s, ", str);
568
569
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 13516 if (enc->colorspace != AVCOL_SPC_UNSPECIFIED ||
570
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 10605 enc->color_primaries != AVCOL_PRI_UNSPECIFIED ||
571
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 10603 enc->color_trc != AVCOL_TRC_UNSPECIFIED) {
572 3030 const char *col = unknown_if_null(av_color_space_name(enc->colorspace));
573 3030 const char *pri = unknown_if_null(av_color_primaries_name(enc->color_primaries));
574 3030 const char *trc = unknown_if_null(av_color_transfer_name(enc->color_trc));
575
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 3030 if (strcmp(col, pri) || strcmp(col, trc)) {
576 2872 new_line = 1;
577 2872 av_bprintf(&bprint, "%s/%s/%s, ", col, pri, trc);
578 } else
579 158 av_bprintf(&bprint, "%s, ", col);
580 }
581
582
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 13516 if (enc->field_order != AV_FIELD_UNKNOWN) {
583 7579 const char *field_order = "progressive";
584
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 7579 if (enc->field_order == AV_FIELD_TT)
585 142 field_order = "top first";
586
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 7437 else if (enc->field_order == AV_FIELD_BB)
587 51 field_order = "bottom first";
588
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 7386 else if (enc->field_order == AV_FIELD_TB)
589 362 field_order = "top coded first (swapped)";
590
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 7024 else if (enc->field_order == AV_FIELD_BT)
591 131 field_order = "bottom coded first (swapped)";
592
593 7579 av_bprintf(&bprint, "%s, ", field_order);
594 }
595
596
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 13516 if (av_log_get_level() >= AV_LOG_VERBOSE &&
597 ✗ enc->chroma_sample_location != AVCHROMA_LOC_UNSPECIFIED &&
598 ✗ (str = av_chroma_location_name(enc->chroma_sample_location)))
599 ✗ av_bprintf(&bprint, "%s, ", str);
600
601
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 13516 if (len == bprint.len) {
602 1093 bprint.str[len - 1] = '\0';
603 1093 bprint.len--;
604 } else {
605
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 12423 if (bprint.len - 2 < bprint.size) {
606 /* Erase the last ", " */
607 12423 bprint.len -= 2;
608 12423 bprint.str[bprint.len] = '\0';
609 }
610 12423 av_bprint_chars(&bprint, ')', 1);
611 }
612 }
613
614
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 13516 if (enc->width) {
615
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 13496 av_bprintf(&bprint, "%s%dx%d", new_line ? separator : ", ",
616 enc->width, enc->height);
617
618
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 13496 if (av_log_get_level() >= AV_LOG_VERBOSE &&
619 ✗ enc->coded_width && enc->coded_height &&
620 ✗ (enc->width != enc->coded_width ||
621 ✗ enc->height != enc->coded_height))
622 ✗ av_bprintf(&bprint, " (%dx%d)",
623 enc->coded_width, enc->coded_height);
624
625
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 13496 if (enc->sample_aspect_ratio.num) {
626 2645 av_reduce(&display_aspect_ratio.num, &display_aspect_ratio.den,
627 2645 enc->width * (int64_t)enc->sample_aspect_ratio.num,
628 2645 enc->height * (int64_t)enc->sample_aspect_ratio.den,
629 1024 * 1024);
630 2645 av_bprintf(&bprint, " [SAR %d:%d DAR %d:%d]",
631 enc->sample_aspect_ratio.num, enc->sample_aspect_ratio.den,
632 display_aspect_ratio.num, display_aspect_ratio.den);
633 }
634
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 13496 if (av_log_get_level() >= AV_LOG_DEBUG) {
635 ✗ int g = av_gcd(enc->time_base.num, enc->time_base.den);
636 ✗ av_bprintf(&bprint, ", %d/%d",
637 ✗ enc->time_base.num / g, enc->time_base.den / g);
638 }
639 }
640
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 13516 if (encode) {
641 7230 av_bprintf(&bprint, ", q=%d-%d", enc->qmin, enc->qmax);
642 } else {
643 #if FF_API_CODEC_PROPS
644 FF_DISABLE_DEPRECATION_WARNINGS
645
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 6286 if (enc->properties & FF_CODEC_PROPERTY_CLOSED_CAPTIONS)
646 ✗ av_bprintf(&bprint, ", Closed Captions");
647
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 6286 if (enc->properties & FF_CODEC_PROPERTY_FILM_GRAIN)
648 ✗ av_bprintf(&bprint, ", Film Grain");
649
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 6286 if (enc->properties & FF_CODEC_PROPERTY_LOSSLESS)
650 ✗ av_bprintf(&bprint, ", lossless");
651 FF_ENABLE_DEPRECATION_WARNINGS
652 #endif
653 }
654 13516 break;
655 3740 case AVMEDIA_TYPE_AUDIO:
656 3740 av_bprintf(&bprint, "%s", separator);
657
658
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 3740 if (enc->sample_rate) {
659 3724 av_bprintf(&bprint, "%d Hz, ", enc->sample_rate);
660 }
661 3740 av_channel_layout_describe_bprint(&enc->ch_layout, &bprint);
662
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 7480 if (enc->sample_fmt != AV_SAMPLE_FMT_NONE &&
663 3740 (str = av_get_sample_fmt_name(enc->sample_fmt))) {
664 3740 av_bprintf(&bprint, ", %s", str);
665 }
666
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 3740 if ( enc->bits_per_raw_sample > 0
667
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 1985 && enc->bits_per_raw_sample != av_get_bytes_per_sample(enc->sample_fmt) * 8)
668 239 av_bprintf(&bprint, " (%d bit)", enc->bits_per_raw_sample);
669
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 3740 if (av_log_get_level() >= AV_LOG_VERBOSE) {
670
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 4 if (enc->initial_padding)
671 2 av_bprintf(&bprint, ", delay %d", enc->initial_padding);
672
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 4 if (enc->trailing_padding)
673 ✗ av_bprintf(&bprint, ", padding %d", enc->trailing_padding);
674 }
675 3740 break;
676 90 case AVMEDIA_TYPE_DATA:
677
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 90 if (av_log_get_level() >= AV_LOG_DEBUG) {
678 ✗ int g = av_gcd(enc->time_base.num, enc->time_base.den);
679 ✗ if (g)
680 ✗ av_bprintf(&bprint, ", %d/%d",
681 ✗ enc->time_base.num / g, enc->time_base.den / g);
682 }
683 90 break;
684 180 case AVMEDIA_TYPE_SUBTITLE:
685
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 180 if (enc->width)
686 33 av_bprintf(&bprint, ", %dx%d", enc->width, enc->height);
687 180 break;
688 9 default:
689 9 return;
690 }
691
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 17526 if (encode) {
692
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 9033 if (enc->flags & AV_CODEC_FLAG_PASS1)
693 ✗ av_bprintf(&bprint, ", pass 1");
694
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 9033 if (enc->flags & AV_CODEC_FLAG_PASS2)
695 ✗ av_bprintf(&bprint, ", pass 2");
696 }
697 17526 bitrate = get_bit_rate(enc);
698
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 17526 if (bitrate != 0) {
699 11293 av_bprintf(&bprint, ", %"PRId64" kb/s", bitrate / 1000);
700
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 6233 } else if (enc->rc_max_rate > 0) {
701 ✗ av_bprintf(&bprint, ", max. %"PRId64" kb/s", enc->rc_max_rate / 1000);
702 }
703 }
704
705 2873104 int avcodec_is_open(AVCodecContext *s)
706 {
707 2873104 return !!s->internal;
708 }
709
710 778163 int attribute_align_arg avcodec_receive_frame_flags(AVCodecContext *avctx,
711 AVFrame *frame, unsigned flags)
712 {
713 778163 av_frame_unref(frame);
714
715
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 778163 if (!avcodec_is_open(avctx) || !avctx->codec)
716 ✗ return AVERROR(EINVAL);
717
718
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✓ Branch 2 taken 62 times.
 778163 if (ff_codec_is_decoder(avctx->codec))
719 778101 return ff_decode_receive_frame(avctx, frame, flags);
720 62 return ff_encode_receive_frame(avctx, frame);
721 }
722
723 27692 int avcodec_receive_frame(AVCodecContext *avctx, AVFrame *frame)
724 {
725 27692 return avcodec_receive_frame_flags(avctx, frame, 0);
726 }
727
728 #define WRAP_CONFIG(allowed_type, field, var, field_type, sentinel_check) \
729 do { \
730 if (codec->type != (allowed_type)) \
731 return AVERROR(EINVAL); \
732 const field_type *ptr = codec->field; \
733 *out_configs = ptr; \
734 if (ptr) { \
735 for (int i = 0;; i++) { \
736 const field_type var = ptr[i]; \
737 if (sentinel_check) { \
738 *out_num_configs = i; \
739 break; \
740 } \
741 } \
742 } else \
743 *out_num_configs = 0; \
744 return 0; \
745 } while (0)
746
747 static const enum AVColorRange color_range_tab[] = {
748 AVCOL_RANGE_MPEG, AVCOL_RANGE_JPEG, AVCOL_RANGE_UNSPECIFIED,
749 AVCOL_RANGE_MPEG, AVCOL_RANGE_UNSPECIFIED,
750 };
751
752 static const enum AVAlphaMode alpha_mode_tab[] = {
753 AVALPHA_MODE_PREMULTIPLIED, AVALPHA_MODE_STRAIGHT, AVALPHA_MODE_UNSPECIFIED,
754 AVALPHA_MODE_PREMULTIPLIED, AVALPHA_MODE_UNSPECIFIED
755 };
756
757 static_assert((int)AVCOL_RANGE_MPEG == (int)AVALPHA_MODE_PREMULTIPLIED, "unexpected enum values");
758 static_assert((int)AVCOL_RANGE_JPEG == (int)AVALPHA_MODE_STRAIGHT, "unexpected enum values");
759 static_assert(AVCOL_RANGE_UNSPECIFIED == 0 && AVALPHA_MODE_UNSPECIFIED == 0, "unexpected enum values");
760 static_assert(AVCOL_RANGE_NB == 3 && AVALPHA_MODE_NB == 3, "unexpected enum values");
761
762 static const uint8_t offset_tab[] = {
763 [AVCOL_RANGE_MPEG] = 3,
764 [AVCOL_RANGE_JPEG] = 1,
765 [AVCOL_RANGE_MPEG | AVCOL_RANGE_JPEG] = 0,
766 };
767
768 70297 int ff_default_get_supported_config(const AVCodecContext *avctx,
769 const AVCodec *codec,
770 enum AVCodecConfig config,
771 unsigned flags,
772 const void **out_configs,
773 int *out_num_configs)
774 {
775 70297 const FFCodec *codec2 = ffcodec(codec);
776
777
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 70297 switch (config) {
778 FF_DISABLE_DEPRECATION_WARNINGS
779 32353 case AV_CODEC_CONFIG_PIX_FORMAT:
780
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 54168 WRAP_CONFIG(AVMEDIA_TYPE_VIDEO, pix_fmts, pix_fmt, enum AVPixelFormat, pix_fmt == AV_PIX_FMT_NONE);
781 6847 case AV_CODEC_CONFIG_FRAME_RATE:
782
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 9842 WRAP_CONFIG(AVMEDIA_TYPE_VIDEO, supported_framerates, framerate, AVRational, framerate.num == 0);
783 2702 case AV_CODEC_CONFIG_SAMPLE_RATE:
784
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 3566 WRAP_CONFIG(AVMEDIA_TYPE_AUDIO, supported_samplerates, samplerate, int, samplerate == 0);
785 2702 case AV_CODEC_CONFIG_SAMPLE_FORMAT:
786
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 8334 WRAP_CONFIG(AVMEDIA_TYPE_AUDIO, sample_fmts, sample_fmt, enum AVSampleFormat, sample_fmt == AV_SAMPLE_FMT_NONE);
787 2702 case AV_CODEC_CONFIG_CHANNEL_LAYOUT:
788
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 3474 WRAP_CONFIG(AVMEDIA_TYPE_AUDIO, ch_layouts, ch_layout, AVChannelLayout, ch_layout.nb_channels == 0);
789 FF_ENABLE_DEPRECATION_WARNINGS
790
791 6821 case AV_CODEC_CONFIG_COLOR_RANGE:
792
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 6821 if (codec->type != AVMEDIA_TYPE_VIDEO)
793 ✗ return AVERROR(EINVAL);
794 6821 unsigned color_ranges = codec2->color_ranges;
795
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 6821 if (color_ranges)
796 475 *out_configs = color_range_tab + offset_tab[color_ranges];
797 else
798 6346 *out_configs = NULL;
799 6821 *out_num_configs = av_popcount(color_ranges);
800 6821 return 0;
801
802 6848 case AV_CODEC_CONFIG_COLOR_SPACE:
803 6848 *out_configs = NULL;
804 6848 *out_num_configs = 0;
805 6848 return 0;
806
807 9322 case AV_CODEC_CONFIG_ALPHA_MODE:
808
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 9322 if (codec->type != AVMEDIA_TYPE_VIDEO)
809 ✗ return AVERROR(EINVAL);
810 9322 unsigned alpha_modes = codec2->alpha_modes;
811
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 9322 if (alpha_modes)
812 33 *out_configs = alpha_mode_tab + offset_tab[alpha_modes];
813 else
814 9289 *out_configs = NULL;
815 9322 *out_num_configs = av_popcount(alpha_modes);
816 9322 return 0;
817
818 ✗ default:
819 ✗ return AVERROR(EINVAL);
820 }
821 }
822
823 70324 int avcodec_get_supported_config(const AVCodecContext *avctx, const AVCodec *codec,
824 enum AVCodecConfig config, unsigned flags,
825 const void **out, int *out_num)
826 {
827 const FFCodec *codec2;
828 70324 int dummy_num = 0;
829
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 70324 if (!codec)
830 70324 codec = avctx->codec;
831
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 70324 if (!out_num)
832 43615 out_num = &dummy_num;
833
834 70324 codec2 = ffcodec(codec);
835
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 70324 if (codec2->get_supported_config) {
836 187 return codec2->get_supported_config(avctx, codec, config, flags, out, out_num);
837 } else {
838 70137 return ff_default_get_supported_config(avctx, codec, config, flags, out, out_num);
839 }
840 }
841
842 ✗ int av_packet_side_data_from_frame(AVPacketSideData **psd, int *pnb_sd,
843 const AVFrameSideData *src, unsigned int flags)
844 {
845 ✗ AVPacketSideData *sd = NULL;
846
847 ✗ for (unsigned j = 0; ff_sd_global_map[j].packet < AV_PKT_DATA_NB; j++) {
848 ✗ if (ff_sd_global_map[j].frame != src->type)
849 ✗ continue;
850
851 ✗ sd = av_packet_side_data_new(psd, pnb_sd, ff_sd_global_map[j].packet,
852 ✗ src->size, 0);
853
854 ✗ if (!sd)
855 ✗ return AVERROR(ENOMEM);
856
857 ✗ memcpy(sd->data, src->data, src->size);
858 ✗ break;
859 }
860
861 ✗ if (!sd)
862 ✗ return AVERROR(EINVAL);
863
864 ✗ return 0;
865 }
866
867 ✗ int av_packet_side_data_to_frame(AVFrameSideData ***psd, int *pnb_sd,
868 const AVPacketSideData *src, unsigned int flags)
869 {
870 ✗ AVFrameSideData *sd = NULL;
871
872 ✗ for (unsigned j = 0; ff_sd_global_map[j].packet < AV_PKT_DATA_NB; j++) {
873 ✗ if (ff_sd_global_map[j].packet != src->type)
874 ✗ continue;
875
876 ✗ sd = av_frame_side_data_new(psd, pnb_sd, ff_sd_global_map[j].frame,
877 ✗ src->size, flags);
878
879 ✗ if (!sd)
880 ✗ return AVERROR(ENOMEM);
881
882 ✗ memcpy(sd->data, src->data, src->size);
883 ✗ break;
884 }
885
886 ✗ if (!sd)
887 ✗ return AVERROR(EINVAL);
888
889 ✗ return 0;
890 }
891