FFmpeg coverage

Directory: ../../../ffmpeg/
File: src/libavcodec/packet.c
Date: 2026-04-24 10:13:59
Exec Total Coverage
Lines: 366 462 79.2%
Functions: 38 40 95.0%
Branches: 156 241 64.7%
Line Branch Exec Source
1 /*
2 * AVPacket functions for libavcodec
3 * Copyright (c) 2000, 2001, 2002 Fabrice Bellard
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 <string.h>
23
24 #include "libavutil/avassert.h"
25 #include "libavutil/avutil.h"
26 #include "libavutil/container_fifo.h"
27 #include "libavutil/mathematics.h"
28 #include "libavutil/mem.h"
29 #include "libavutil/rational.h"
30
31 #include "defs.h"
32 #include "packet.h"
33 #include "packet_internal.h"
34
35 #if FF_API_INIT_PACKET
36 1377358 void av_init_packet(AVPacket *pkt)
37 {
38 1377358 pkt->pts = AV_NOPTS_VALUE;
39 1377358 pkt->dts = AV_NOPTS_VALUE;
40 1377358 pkt->pos = -1;
41 1377358 pkt->duration = 0;
42 1377358 pkt->flags = 0;
43 1377358 pkt->stream_index = 0;
44 1377358 pkt->buf = NULL;
45 1377358 pkt->side_data = NULL;
46 1377358 pkt->side_data_elems = 0;
47 1377358 pkt->opaque = NULL;
48 1377358 pkt->opaque_ref = NULL;
49 1377358 pkt->time_base = av_make_q(0, 1);
50 1377358 }
51 #endif
52
53 13767313 static void get_packet_defaults(AVPacket *pkt)
54 {
55 13767313 memset(pkt, 0, sizeof(*pkt));
56
57 13767313 pkt->pts = AV_NOPTS_VALUE;
58 13767313 pkt->dts = AV_NOPTS_VALUE;
59 13767313 pkt->pos = -1;
60 13767313 pkt->time_base = av_make_q(0, 1);
61 13767313 }
62
63 310437 AVPacket *av_packet_alloc(void)
64 {
65 310437 AVPacket *pkt = av_malloc(sizeof(AVPacket));
66
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 310437 if (!pkt)
67 ✗ return pkt;
68
69 310437 get_packet_defaults(pkt);
70
71 310437 return pkt;
72 }
73
74 389994 void av_packet_free(AVPacket **pkt)
75 {
76
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 389994 if (!pkt || !*pkt)
77 79557 return;
78
79 310437 av_packet_unref(*pkt);
80 310437 av_freep(pkt);
81 }
82
83 937817 static int packet_alloc(AVBufferRef **buf, int size)
84 {
85 int ret;
86
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 937817 if (size < 0 || size >= INT_MAX - AV_INPUT_BUFFER_PADDING_SIZE)
87 1 return AVERROR(EINVAL);
88
89 937816 ret = av_buffer_realloc(buf, size + AV_INPUT_BUFFER_PADDING_SIZE);
90
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 937816 if (ret < 0)
91 ✗ return ret;
92
93 937816 memset((*buf)->data + size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
94
95 937816 return 0;
96 }
97
98 773267 int av_new_packet(AVPacket *pkt, int size)
99 {
100 773267 AVBufferRef *buf = NULL;
101 773267 int ret = packet_alloc(&buf, size);
102
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 773267 if (ret < 0)
103 1 return ret;
104
105 773266 get_packet_defaults(pkt);
106 773266 pkt->buf = buf;
107 773266 pkt->data = buf->data;
108 773266 pkt->size = size;
109
110 773266 return 0;
111 }
112
113 602349 void av_shrink_packet(AVPacket *pkt, int size)
114 {
115
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 602349 if (pkt->size <= size)
116 596870 return;
117 5479 pkt->size = size;
118 5479 memset(pkt->data + size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
119 }
120
121 280630 int av_grow_packet(AVPacket *pkt, int grow_by)
122 {
123 int new_size;
124
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 280630 av_assert0((unsigned)pkt->size <= INT_MAX - AV_INPUT_BUFFER_PADDING_SIZE);
125 280630 if ((unsigned)grow_by >
126
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 280630 INT_MAX - (pkt->size + AV_INPUT_BUFFER_PADDING_SIZE))
127 1 return AVERROR(ENOMEM);
128
129 280629 new_size = pkt->size + grow_by + AV_INPUT_BUFFER_PADDING_SIZE;
130
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 280629 if (pkt->buf) {
131 size_t data_offset;
132 11737 uint8_t *old_data = pkt->data;
133
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 11737 if (pkt->data == NULL) {
134 ✗ data_offset = 0;
135 ✗ pkt->data = pkt->buf->data;
136 } else {
137 11737 data_offset = pkt->data - pkt->buf->data;
138
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 11737 if (data_offset > INT_MAX - new_size)
139 ✗ return AVERROR(ENOMEM);
140 }
141
142
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 13511 if (new_size + data_offset > pkt->buf->size ||
143 1774 !av_buffer_is_writable(pkt->buf)) {
144 int ret;
145
146 // allocate slightly more than requested to avoid excessive
147 // reallocations
148
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 9963 if (new_size + data_offset < INT_MAX - new_size/16)
149 9963 new_size += new_size/16;
150
151 9963 ret = av_buffer_realloc(&pkt->buf, new_size + data_offset);
152
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 9963 if (ret < 0) {
153 ✗ pkt->data = old_data;
154 ✗ return ret;
155 }
156 9963 pkt->data = pkt->buf->data + data_offset;
157 }
158 } else {
159 268892 pkt->buf = av_buffer_alloc(new_size);
160
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 268892 if (!pkt->buf)
161 ✗ return AVERROR(ENOMEM);
162
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 268892 if (pkt->size > 0)
163 ✗ memcpy(pkt->buf->data, pkt->data, pkt->size);
164 268892 pkt->data = pkt->buf->data;
165 }
166 280629 pkt->size += grow_by;
167 280629 memset(pkt->data + pkt->size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
168
169 280629 return 0;
170 }
171
172 29 int av_packet_from_data(AVPacket *pkt, uint8_t *data, int size)
173 {
174
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 29 if (size >= INT_MAX - AV_INPUT_BUFFER_PADDING_SIZE)
175 1 return AVERROR(EINVAL);
176
177 28 pkt->buf = av_buffer_create(data, size + AV_INPUT_BUFFER_PADDING_SIZE,
178 av_buffer_default_free, NULL, 0);
179
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 28 if (!pkt->buf)
180 ✗ return AVERROR(ENOMEM);
181
182 28 pkt->data = data;
183 28 pkt->size = size;
184
185 28 return 0;
186 }
187
188 8694464 void av_packet_free_side_data(AVPacket *pkt)
189 {
190 int i;
191
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 8771482 for (i = 0; i < pkt->side_data_elems; i++)
192 77018 av_freep(&pkt->side_data[i].data);
193 8694464 av_freep(&pkt->side_data);
194 8694464 pkt->side_data_elems = 0;
195 8694464 }
196
197 77020 int av_packet_add_side_data(AVPacket *pkt, enum AVPacketSideDataType type,
198 uint8_t *data, size_t size)
199 {
200 AVPacketSideData *tmp;
201 77020 int i, elems = pkt->side_data_elems;
202
203
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 77242 for (i = 0; i < elems; i++) {
204 223 AVPacketSideData *sd = &pkt->side_data[i];
205
206
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 223 if (sd->type == type) {
207 1 av_free(sd->data);
208 1 sd->data = data;
209 1 sd->size = size;
210 1 return 0;
211 }
212 }
213
214
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 77019 if ((unsigned)elems + 1 > AV_PKT_DATA_NB)
215 ✗ return AVERROR(ERANGE);
216
217 77019 tmp = av_realloc(pkt->side_data, (elems + 1) * sizeof(*tmp));
218
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 77019 if (!tmp)
219 ✗ return AVERROR(ENOMEM);
220
221 77019 pkt->side_data = tmp;
222 77019 pkt->side_data[elems].data = data;
223 77019 pkt->side_data[elems].size = size;
224 77019 pkt->side_data[elems].type = type;
225 77019 pkt->side_data_elems++;
226
227 77019 return 0;
228 }
229
230
231 75544 uint8_t *av_packet_new_side_data(AVPacket *pkt, enum AVPacketSideDataType type,
232 size_t size)
233 {
234 int ret;
235 uint8_t *data;
236
237
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 75544 if (size > SIZE_MAX - AV_INPUT_BUFFER_PADDING_SIZE)
238 ✗ return NULL;
239 75544 data = av_mallocz(size + AV_INPUT_BUFFER_PADDING_SIZE);
240
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 75544 if (!data)
241 ✗ return NULL;
242
243 75544 ret = av_packet_add_side_data(pkt, type, data, size);
244
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 75544 if (ret < 0) {
245 ✗ av_freep(&data);
246 ✗ return NULL;
247 }
248
249 75544 return data;
250 }
251
252 830542 uint8_t *av_packet_get_side_data(const AVPacket *pkt, enum AVPacketSideDataType type,
253 size_t *size)
254 {
255 int i;
256
257
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 860202 for (i = 0; i < pkt->side_data_elems; i++) {
258
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 43735 if (pkt->side_data[i].type == type) {
259
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 14075 if (size)
260 1158 *size = pkt->side_data[i].size;
261 14075 return pkt->side_data[i].data;
262 }
263 }
264
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 816467 if (size)
265 633256 *size = 0;
266 816467 return NULL;
267 }
268
269 4447 const char *av_packet_side_data_name(enum AVPacketSideDataType type)
270 {
271
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 4447 switch(type) {
272 ✗ case AV_PKT_DATA_PALETTE: return "Palette";
273 11 case AV_PKT_DATA_NEW_EXTRADATA: return "New Extradata";
274 ✗ case AV_PKT_DATA_PARAM_CHANGE: return "Param Change";
275 ✗ case AV_PKT_DATA_H263_MB_INFO: return "H263 MB Info";
276 ✗ case AV_PKT_DATA_REPLAYGAIN: return "Replay Gain";
277 44 case AV_PKT_DATA_DISPLAYMATRIX: return "Display Matrix";
278 480 case AV_PKT_DATA_STEREO3D: return "Stereo 3D";
279 16 case AV_PKT_DATA_AUDIO_SERVICE_TYPE: return "Audio Service Type";
280 1463 case AV_PKT_DATA_QUALITY_STATS: return "Quality stats";
281 ✗ case AV_PKT_DATA_FALLBACK_TRACK: return "Fallback track";
282 349 case AV_PKT_DATA_CPB_PROPERTIES: return "CPB properties";
283 67 case AV_PKT_DATA_SKIP_SAMPLES: return "Skip Samples";
284 ✗ case AV_PKT_DATA_JP_DUALMONO: return "JP Dual Mono";
285 162 case AV_PKT_DATA_STRINGS_METADATA: return "Strings Metadata";
286 ✗ case AV_PKT_DATA_SUBTITLE_POSITION: return "Subtitle Position";
287 7 case AV_PKT_DATA_MATROSKA_BLOCKADDITIONAL: return "Matroska BlockAdditional";
288 12 case AV_PKT_DATA_WEBVTT_IDENTIFIER: return "WebVTT ID";
289 24 case AV_PKT_DATA_WEBVTT_SETTINGS: return "WebVTT Settings";
290 ✗ case AV_PKT_DATA_METADATA_UPDATE: return "Metadata Update";
291 1652 case AV_PKT_DATA_MPEGTS_STREAM_ID: return "MPEGTS Stream ID";
292 29 case AV_PKT_DATA_MASTERING_DISPLAY_METADATA: return "Mastering display metadata";
293 25 case AV_PKT_DATA_CONTENT_LIGHT_LEVEL: return "Content light level metadata";
294 22 case AV_PKT_DATA_SPHERICAL: return "Spherical Mapping";
295 ✗ case AV_PKT_DATA_A53_CC: return "A53 Closed Captions";
296 4 case AV_PKT_DATA_ENCRYPTION_INIT_INFO: return "Encryption initialization data";
297 ✗ case AV_PKT_DATA_ENCRYPTION_INFO: return "Encryption info";
298 ✗ case AV_PKT_DATA_AFD: return "Active Format Description data";
299 ✗ case AV_PKT_DATA_PRFT: return "Producer Reference Time";
300 8 case AV_PKT_DATA_ICC_PROFILE: return "ICC Profile";
301 15 case AV_PKT_DATA_DOVI_CONF: return "DOVI configuration record";
302 ✗ case AV_PKT_DATA_S12M_TIMECODE: return "SMPTE ST 12-1:2014 timecode";
303 4 case AV_PKT_DATA_DYNAMIC_HDR10_PLUS: return "HDR10+ Dynamic Metadata (SMPTE 2094-40)";
304 ✗ case AV_PKT_DATA_DYNAMIC_HDR_SMPTE_2094_APP5:return "HDR Dynamic Metadata (SMPTE 2094-50)";
305 8 case AV_PKT_DATA_AMBIENT_VIEWING_ENVIRONMENT:return "Ambient viewing environment";
306 ✗ case AV_PKT_DATA_IAMF_MIX_GAIN_PARAM: return "IAMF Mix Gain Parameter Data";
307 ✗ case AV_PKT_DATA_IAMF_DEMIXING_INFO_PARAM: return "IAMF Demixing Info Parameter Data";
308 ✗ case AV_PKT_DATA_IAMF_RECON_GAIN_INFO_PARAM: return "IAMF Recon Gain Info Parameter Data";
309 21 case AV_PKT_DATA_FRAME_CROPPING: return "Frame Cropping";
310 ✗ case AV_PKT_DATA_LCEVC: return "LCEVC NAL data";
311 2 case AV_PKT_DATA_3D_REFERENCE_DISPLAYS: return "3D Reference Displays Info";
312 ✗ case AV_PKT_DATA_RTCP_SR: return "RTCP Sender Report";
313 22 case AV_PKT_DATA_EXIF: return "EXIF metadata";
314 }
315 ✗ return NULL;
316 }
317
318 650 uint8_t *av_packet_pack_dictionary(AVDictionary *dict, size_t *size)
319 {
320 650 uint8_t *data = NULL;
321 650 *size = 0;
322
323
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 650 if (!dict)
324 ✗ return NULL;
325
326
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 1300 for (int pass = 0; pass < 2; pass++) {
327 1300 const AVDictionaryEntry *t = NULL;
328 1300 size_t total_length = 0;
329
330
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 6420 while ((t = av_dict_iterate(dict, t))) {
331
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 15360 for (int i = 0; i < 2; i++) {
332
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 10240 const char *str = i ? t->value : t->key;
333 10240 const size_t len = strlen(str) + 1;
334
335
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 10240 if (pass)
336 5120 memcpy(data + total_length, str, len);
337
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 5120 else if (len > SIZE_MAX - total_length)
338 ✗ return NULL;
339 10240 total_length += len;
340 }
341 }
342
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 1300 if (pass)
343 650 break;
344 650 data = av_malloc(total_length);
345
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 650 if (!data)
346 ✗ return NULL;
347 650 *size = total_length;
348 }
349
350 650 return data;
351 }
352
353 10430 int av_packet_unpack_dictionary(const uint8_t *data, size_t size,
354 AVDictionary **dict)
355 {
356 const uint8_t *end;
357 int ret;
358
359
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 10430 if (!dict || !data || !size)
360 9828 return 0;
361 602 end = data + size;
362
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 602 if (end[-1])
363 ✗ return AVERROR_INVALIDDATA;
364
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 3118 while (data < end) {
365 2516 const uint8_t *key = data;
366 2516 const uint8_t *val = data + strlen(key) + 1;
367
368
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 2516 if (val >= end || !*key)
369 ✗ return AVERROR_INVALIDDATA;
370
371 2516 ret = av_dict_set(dict, key, val, 0);
372
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 2516 if (ret < 0)
373 ✗ return ret;
374 2516 data = val + strlen(val) + 1;
375 }
376
377 602 return 0;
378 }
379
380 ✗ int av_packet_shrink_side_data(AVPacket *pkt, enum AVPacketSideDataType type,
381 size_t size)
382 {
383 int i;
384
385 ✗ for (i = 0; i < pkt->side_data_elems; i++) {
386 ✗ if (pkt->side_data[i].type == type) {
387 ✗ if (size > pkt->side_data[i].size)
388 ✗ return AVERROR(ENOMEM);
389 ✗ pkt->side_data[i].size = size;
390 ✗ return 0;
391 }
392 }
393 ✗ return AVERROR(ENOENT);
394 }
395
396 864045 int av_packet_copy_props(AVPacket *dst, const AVPacket *src)
397 {
398 int i, ret;
399
400 864045 dst->pts = src->pts;
401 864045 dst->dts = src->dts;
402 864045 dst->pos = src->pos;
403 864045 dst->duration = src->duration;
404 864045 dst->flags = src->flags;
405 864045 dst->stream_index = src->stream_index;
406 864045 dst->opaque = src->opaque;
407 864045 dst->time_base = src->time_base;
408 864045 dst->opaque_ref = NULL;
409 864045 dst->side_data = NULL;
410 864045 dst->side_data_elems = 0;
411
412 864045 ret = av_buffer_replace(&dst->opaque_ref, src->opaque_ref);
413
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 864045 if (ret < 0)
414 ✗ return ret;
415
416
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 886779 for (i = 0; i < src->side_data_elems; i++) {
417 22734 enum AVPacketSideDataType type = src->side_data[i].type;
418 22734 size_t size = src->side_data[i].size;
419 22734 uint8_t *src_data = src->side_data[i].data;
420 22734 uint8_t *dst_data = av_packet_new_side_data(dst, type, size);
421
422
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 22734 if (!dst_data) {
423 ✗ av_buffer_unref(&dst->opaque_ref);
424 ✗ av_packet_free_side_data(dst);
425 ✗ return AVERROR(ENOMEM);
426 }
427 22734 memcpy(dst_data, src_data, size);
428 }
429
430 864045 return 0;
431 }
432
433 8694464 void av_packet_unref(AVPacket *pkt)
434 {
435 8694464 av_packet_free_side_data(pkt);
436 8694464 av_buffer_unref(&pkt->opaque_ref);
437 8694464 av_buffer_unref(&pkt->buf);
438 8694464 get_packet_defaults(pkt);
439 8694464 }
440
441 428777 int av_packet_ref(AVPacket *dst, const AVPacket *src)
442 {
443 int ret;
444
445 428777 dst->buf = NULL;
446
447 428777 ret = av_packet_copy_props(dst, src);
448
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 428777 if (ret < 0)
449 ✗ goto fail;
450
451
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 428777 if (!src->buf) {
452 1030 ret = packet_alloc(&dst->buf, src->size);
453
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 1030 if (ret < 0)
454 ✗ goto fail;
455 av_assert1(!src->size || src->data);
456
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 1030 if (src->size)
457 1030 memcpy(dst->buf->data, src->data, src->size);
458
459 1030 dst->data = dst->buf->data;
460 } else {
461 427747 dst->buf = av_buffer_ref(src->buf);
462
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 427747 if (!dst->buf) {
463 ✗ ret = AVERROR(ENOMEM);
464 ✗ goto fail;
465 }
466 427747 dst->data = src->data;
467 }
468
469 428777 dst->size = src->size;
470
471 428777 return 0;
472 ✗ fail:
473 ✗ av_packet_unref(dst);
474 ✗ return ret;
475 }
476
477 6 AVPacket *av_packet_clone(const AVPacket *src)
478 {
479 6 AVPacket *ret = av_packet_alloc();
480
481
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 6 if (!ret)
482 ✗ return ret;
483
484
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 6 if (av_packet_ref(ret, src))
485 ✗ av_packet_free(&ret);
486
487 6 return ret;
488 }
489
490 3989021 void av_packet_move_ref(AVPacket *dst, AVPacket *src)
491 {
492 3989021 *dst = *src;
493 3989021 get_packet_defaults(src);
494 3989021 }
495
496 2202201 int av_packet_make_refcounted(AVPacket *pkt)
497 {
498 int ret;
499
500
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 2202201 if (pkt->buf)
501 2038681 return 0;
502
503 163520 ret = packet_alloc(&pkt->buf, pkt->size);
504
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 163520 if (ret < 0)
505 ✗ return ret;
506 av_assert1(!pkt->size || pkt->data);
507
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 163520 if (pkt->size)
508 161960 memcpy(pkt->buf->data, pkt->data, pkt->size);
509
510 163520 pkt->data = pkt->buf->data;
511
512 163520 return 0;
513 }
514
515 142 int av_packet_make_writable(AVPacket *pkt)
516 {
517 142 AVBufferRef *buf = NULL;
518 int ret;
519
520
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 142 if (pkt->buf && av_buffer_is_writable(pkt->buf))
521 142 return 0;
522
523 ✗ ret = packet_alloc(&buf, pkt->size);
524 ✗ if (ret < 0)
525 ✗ return ret;
526 av_assert1(!pkt->size || pkt->data);
527 ✗ if (pkt->size)
528 ✗ memcpy(buf->data, pkt->data, pkt->size);
529
530 ✗ av_buffer_unref(&pkt->buf);
531 ✗ pkt->buf = buf;
532 ✗ pkt->data = buf->data;
533
534 ✗ return 0;
535 }
536
537 559462 void av_packet_rescale_ts(AVPacket *pkt, AVRational src_tb, AVRational dst_tb)
538 {
539
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 559462 if (pkt->pts != AV_NOPTS_VALUE)
540 543893 pkt->pts = av_rescale_q(pkt->pts, src_tb, dst_tb);
541
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 559462 if (pkt->dts != AV_NOPTS_VALUE)
542 559446 pkt->dts = av_rescale_q(pkt->dts, src_tb, dst_tb);
543
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 559462 if (pkt->duration > 0)
544 540322 pkt->duration = av_rescale_q(pkt->duration, src_tb, dst_tb);
545 559462 }
546
547 480154 int avpriv_packet_list_put(PacketList *packet_buffer,
548 AVPacket *pkt,
549 int (*copy)(AVPacket *dst, const AVPacket *src),
550 int flags)
551 {
552 480154 PacketListEntry *pktl = av_malloc(sizeof(*pktl));
553 480154 unsigned int update_end_point = 1;
554 int ret;
555
556
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 480154 if (!pktl)
557 ✗ return AVERROR(ENOMEM);
558
559
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 480154 if (copy) {
560 125 get_packet_defaults(&pktl->pkt);
561 125 ret = copy(&pktl->pkt, pkt);
562
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 125 if (ret < 0) {
563 ✗ av_free(pktl);
564 ✗ return ret;
565 }
566 } else {
567 480029 ret = av_packet_make_refcounted(pkt);
568
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 480029 if (ret < 0) {
569 ✗ av_free(pktl);
570 ✗ return ret;
571 }
572 480029 av_packet_move_ref(&pktl->pkt, pkt);
573 }
574
575 480154 pktl->next = NULL;
576
577
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 480154 if (packet_buffer->head) {
578
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✓ Branch 1 taken 299579 times.
 299599 if (flags & FF_PACKETLIST_FLAG_PREPEND) {
579 20 pktl->next = packet_buffer->head;
580 20 packet_buffer->head = pktl;
581 20 update_end_point = 0;
582 } else {
583 299579 packet_buffer->tail->next = pktl;
584 }
585 } else
586 180555 packet_buffer->head = pktl;
587
588
2/2
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✓ Branch 1 taken 20 times.
 480154 if (update_end_point) {
589 /* Add the packet in the buffered packet list. */
590 480134 packet_buffer->tail = pktl;
591 }
592
593 480154 return 0;
594 }
595
596 430176 int avpriv_packet_list_get(PacketList *pkt_buffer,
597 AVPacket *pkt)
598 {
599 430176 PacketListEntry *pktl = pkt_buffer->head;
600
2/2
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✓ Branch 1 taken 430122 times.
 430176 if (!pktl)
601 54 return AVERROR(EAGAIN);
602 430122 *pkt = pktl->pkt;
603 430122 pkt_buffer->head = pktl->next;
604
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 430122 if (!pkt_buffer->head)
605 176499 pkt_buffer->tail = NULL;
606 430122 av_freep(&pktl);
607 430122 return 0;
608 }
609
610 56432 void avpriv_packet_list_free(PacketList *pkt_buf)
611 {
612 56432 PacketListEntry *tmp = pkt_buf->head;
613
614
2/2
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✓ Branch 1 taken 56432 times.
 136424 while (tmp) {
615 79992 PacketListEntry *pktl = tmp;
616 79992 tmp = pktl->next;
617 79992 av_packet_unref(&pktl->pkt);
618 79992 av_freep(&pktl);
619 }
620 56432 pkt_buf->head = pkt_buf->tail = NULL;
621 56432 }
622
623 ✗ int ff_side_data_set_prft(AVPacket *pkt, int64_t timestamp)
624 {
625 AVProducerReferenceTime *prft;
626 uint8_t *side_data;
627 size_t side_data_size;
628
629 ✗ side_data = av_packet_get_side_data(pkt, AV_PKT_DATA_PRFT, &side_data_size);
630 ✗ if (!side_data) {
631 ✗ side_data_size = sizeof(AVProducerReferenceTime);
632 ✗ side_data = av_packet_new_side_data(pkt, AV_PKT_DATA_PRFT, side_data_size);
633 }
634
635 ✗ if (!side_data || side_data_size < sizeof(AVProducerReferenceTime))
636 ✗ return AVERROR(ENOMEM);
637
638 ✗ prft = (AVProducerReferenceTime *)side_data;
639 ✗ prft->wallclock = timestamp;
640 ✗ prft->flags = 0;
641
642 ✗ return 0;
643 }
644
645 1153182 const AVPacketSideData *av_packet_side_data_get(const AVPacketSideData *sd, int nb_sd,
646 enum AVPacketSideDataType type)
647 {
648
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 1219102 for (int i = 0; i < nb_sd; i++)
649
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✓ Branch 1 taken 65920 times.
 66025 if (sd[i].type == type)
650 105 return &sd[i];
651
652 1153077 return NULL;
653 }
654
655 858 static AVPacketSideData *packet_side_data_add(AVPacketSideData **psd, int *pnb_sd,
656 enum AVPacketSideDataType type,
657 void *data, size_t size)
658 {
659 858 AVPacketSideData *sd = *psd, *tmp;
660 858 int nb_sd = *pnb_sd;
661
662
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 926 for (int i = 0; i < nb_sd; i++) {
663
2/2
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✓ Branch 1 taken 1 times.
 69 if (sd[i].type != type)
664 68 continue;
665
666 1 av_free(sd[i].data);
667 1 sd[i].data = data;
668 1 sd[i].size = size;
669 1 return &sd[i];
670 }
671
672
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✓ Branch 1 taken 857 times.
 857 if (nb_sd == INT_MAX)
673 ✗ return NULL;
674
675 857 tmp = av_realloc_array(sd, nb_sd + 1, sizeof(*tmp));
676
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 857 if (!tmp)
677 ✗ return NULL;
678
679 857 *psd = sd = tmp;
680 857 sd[nb_sd].type = type;
681 857 sd[nb_sd].data = data;
682 857 sd[nb_sd].size = size;
683 857 *pnb_sd = nb_sd + 1;
684
685 857 return &sd[nb_sd];
686 }
687
688 488 AVPacketSideData *av_packet_side_data_add(AVPacketSideData **psd, int *pnb_sd,
689 enum AVPacketSideDataType type,
690 void *data, size_t size, int flags)
691 {
692 488 return packet_side_data_add(psd, pnb_sd, type, data, size);
693 }
694
695 370 AVPacketSideData *av_packet_side_data_new(AVPacketSideData **psd, int *pnb_sd,
696 enum AVPacketSideDataType type,
697 size_t size, int flags)
698 {
699 370 AVPacketSideData *sd = NULL;
700 uint8_t *data;
701
702
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✓ Branch 1 taken 370 times.
 370 if (size > SIZE_MAX - AV_INPUT_BUFFER_PADDING_SIZE)
703 ✗ return NULL;
704
705 370 data = av_malloc(size + AV_INPUT_BUFFER_PADDING_SIZE);
706
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✓ Branch 1 taken 370 times.
 370 if (!data)
707 ✗ return NULL;
708 370 memset(data + size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
709
710 370 sd = packet_side_data_add(psd, pnb_sd, type, data, size);
711
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 370 if (!sd)
712 ✗ av_freep(&data);
713
714 370 return sd;
715 }
716
717 1 void av_packet_side_data_remove(AVPacketSideData *sd, int *pnb_sd,
718 enum AVPacketSideDataType type)
719 {
720 1 int nb_sd = *pnb_sd;
721
722
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 1 for (int i = nb_sd - 1; i >= 0; i--) {
723
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 1 if (sd[i].type != type)
724 ✗ continue;
725 1 av_free(sd[i].data);
726 1 sd[i] = sd[--nb_sd];
727 1 break;
728 }
729
730 1 *pnb_sd = nb_sd;
731 1 }
732
733 336447 void av_packet_side_data_free(AVPacketSideData **psd, int *pnb_sd)
734 {
735 336447 AVPacketSideData *sd = *psd;
736 336447 int nb_sd = *pnb_sd;
737
738
2/2
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 341599 for (int i = 0; i < nb_sd; i++)
739 5152 av_free(sd[i].data);
740
741 336447 av_freep(psd);
742 336447 *pnb_sd = 0;
743 336447 }
744
745 69175 static void *container_packet_alloc(void *opaque)
746 {
747 69175 return av_packet_alloc();
748 }
749
750 1022808 static void container_packet_reset(void *opaque, void *obj)
751 {
752 1022808 av_packet_unref(obj);
753 1022808 }
754
755 69175 static void container_packet_free(void *opaque, void *obj)
756 {
757 69175 AVPacket *pkt = obj;
758 69175 av_packet_free(&pkt);
759 69175 }
760
761 2017478 static int container_packet_transfer(void *opaque, void *dst, void *src, unsigned flags)
762 {
763
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 2017478 if (flags & AV_CONTAINER_FIFO_FLAG_REF)
764 ✗ return av_packet_ref(dst, src);
765
766 2017478 av_packet_move_ref(dst, src);
767 2017478 return 0;
768 }
769
770 15594 AVContainerFifo *av_container_fifo_alloc_avpacket(unsigned flags)
771 {
772 15594 return av_container_fifo_alloc(NULL, container_packet_alloc,
773 container_packet_reset, container_packet_free,
774 container_packet_transfer, 0);
775 }
776