FFmpeg coverage

Directory: ../../../ffmpeg/
File: src/libavcodec/packet.c
Date: 2026-10-31 18:41:55
Exec Total Coverage
Lines: 330 418 78.9%
Functions: 35 37 94.6%
Branches: 145 223 65.0%
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 1458290 void av_init_packet(AVPacket *pkt)
37 {
38 1458290 pkt->pts = AV_NOPTS_VALUE;
39 1458290 pkt->dts = AV_NOPTS_VALUE;
40 1458290 pkt->pos = -1;
41 1458290 pkt->duration = 0;
42 1458290 pkt->flags = 0;
43 1458290 pkt->stream_index = 0;
44 1458290 pkt->buf = NULL;
45 1458290 pkt->side_data = NULL;
46 1458290 pkt->side_data_elems = 0;
47 1458290 pkt->opaque = NULL;
48 1458290 pkt->opaque_ref = NULL;
49 1458290 pkt->time_base = av_make_q(0, 1);
50 1458290 }
51 #endif
52
53 14209894 static void get_packet_defaults(AVPacket *pkt)
54 {
55 14209894 memset(pkt, 0, sizeof(*pkt));
56
57 14209894 pkt->pts = AV_NOPTS_VALUE;
58 14209894 pkt->dts = AV_NOPTS_VALUE;
59 14209894 pkt->pos = -1;
60 14209894 pkt->time_base = av_make_q(0, 1);
61 14209894 }
62
63 285389 AVPacket *av_packet_alloc(void)
64 {
65 285389 AVPacket *pkt = av_malloc(sizeof(AVPacket));
66
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 285389 times.
 285389 if (!pkt)
67 ✗ return pkt;
68
69 285389 get_packet_defaults(pkt);
70
71 285389 return pkt;
72 }
73
74 369292 void av_packet_free(AVPacket **pkt)
75 {
76
3/4
✓ Branch 0 taken 369292 times.
✗ Branch 1 not taken.
✓ Branch 2 taken 83903 times.
✓ Branch 3 taken 285389 times.
 369292 if (!pkt || !*pkt)
77 83903 return;
78
79 285389 av_packet_unref(*pkt);
80 285389 av_freep(pkt);
81 }
82
83 968786 static int packet_alloc(AVBufferRef **buf, int size)
84 {
85 int ret;
86
3/4
✓ Branch 0 taken 968786 times.
✗ Branch 1 not taken.
✓ Branch 2 taken 1 times.
✓ Branch 3 taken 968785 times.
 968786 if (size < 0 || size >= INT_MAX - AV_INPUT_BUFFER_PADDING_SIZE)
87 1 return AVERROR(EINVAL);
88
89 968785 ret = av_buffer_realloc(buf, size + AV_INPUT_BUFFER_PADDING_SIZE);
90
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 968785 times.
 968785 if (ret < 0)
91 ✗ return ret;
92
93 968785 memset((*buf)->data + size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
94
95 968785 return 0;
96 }
97
98 791927 int av_new_packet(AVPacket *pkt, int size)
99 {
100 791927 AVBufferRef *buf = NULL;
101 791927 int ret = packet_alloc(&buf, size);
102
2/2
✓ Branch 0 taken 1 times.
✓ Branch 1 taken 791926 times.
 791927 if (ret < 0)
103 1 return ret;
104
105 791926 get_packet_defaults(pkt);
106 791926 pkt->buf = buf;
107 791926 pkt->data = buf->data;
108 791926 pkt->size = size;
109
110 791926 return 0;
111 }
112
113 619041 void av_shrink_packet(AVPacket *pkt, int size)
114 {
115
2/2
✓ Branch 0 taken 613352 times.
✓ Branch 1 taken 5689 times.
 619041 if (pkt->size <= size)
116 613352 return;
117 5689 pkt->size = size;
118 5689 memset(pkt->data + size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
119 }
120
121 307970 int av_grow_packet(AVPacket *pkt, int grow_by)
122 {
123 int new_size;
124
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 307970 times.
 307970 av_assert0((unsigned)pkt->size <= INT_MAX - AV_INPUT_BUFFER_PADDING_SIZE);
125 307970 if ((unsigned)grow_by >
126
2/2
✓ Branch 0 taken 1 times.
✓ Branch 1 taken 307969 times.
 307970 INT_MAX - (pkt->size + AV_INPUT_BUFFER_PADDING_SIZE))
127 1 return AVERROR(ENOMEM);
128
129 307969 new_size = pkt->size + grow_by + AV_INPUT_BUFFER_PADDING_SIZE;
130
2/2
✓ Branch 0 taken 10458 times.
✓ Branch 1 taken 297511 times.
 307969 if (pkt->buf) {
131 size_t data_offset;
132 10458 uint8_t *old_data = pkt->data;
133
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 10458 times.
 10458 if (pkt->data == NULL) {
134 ✗ data_offset = 0;
135 ✗ pkt->data = pkt->buf->data;
136 } else {
137 10458 data_offset = pkt->data - pkt->buf->data;
138
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 10458 times.
 10458 if (data_offset > INT_MAX - new_size)
139 ✗ return AVERROR(ENOMEM);
140 }
141
142
3/4
✓ Branch 0 taken 1730 times.
✓ Branch 1 taken 8728 times.
✗ Branch 2 not taken.
✓ Branch 3 taken 1730 times.
 12188 if (new_size + data_offset > pkt->buf->size ||
143 1730 !av_buffer_is_writable(pkt->buf)) {
144 int ret;
145
146 // allocate slightly more than requested to avoid excessive
147 // reallocations
148
1/2
✓ Branch 0 taken 8728 times.
✗ Branch 1 not taken.
 8728 if (new_size + data_offset < INT_MAX - new_size/16)
149 8728 new_size += new_size/16;
150
151 8728 ret = av_buffer_realloc(&pkt->buf, new_size + data_offset);
152
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 8728 times.
 8728 if (ret < 0) {
153 ✗ pkt->data = old_data;
154 ✗ return ret;
155 }
156 8728 pkt->data = pkt->buf->data + data_offset;
157 }
158 } else {
159 297511 pkt->buf = av_buffer_alloc(new_size);
160
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 297511 times.
 297511 if (!pkt->buf)
161 ✗ return AVERROR(ENOMEM);
162
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 297511 times.
 297511 if (pkt->size > 0)
163 ✗ memcpy(pkt->buf->data, pkt->data, pkt->size);
164 297511 pkt->data = pkt->buf->data;
165 }
166 307969 pkt->size += grow_by;
167 307969 memset(pkt->data + pkt->size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
168
169 307969 return 0;
170 }
171
172 29 int av_packet_from_data(AVPacket *pkt, uint8_t *data, int size)
173 {
174
2/2
✓ Branch 0 taken 1 times.
✓ Branch 1 taken 28 times.
 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
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 28 times.
 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 8978555 void av_packet_free_side_data(AVPacket *pkt)
189 {
190 int i;
191
2/2
✓ Branch 0 taken 84710 times.
✓ Branch 1 taken 8978555 times.
 9063265 for (i = 0; i < pkt->side_data_elems; i++)
192 84710 av_freep(&pkt->side_data[i].data);
193 8978555 av_freep(&pkt->side_data);
194 8978555 pkt->side_data_elems = 0;
195 8978555 }
196
197 84716 int av_packet_add_side_data(AVPacket *pkt, enum AVPacketSideDataType type,
198 uint8_t *data, size_t size)
199 {
200 AVPacketSideData *tmp;
201 84716 int i, elems = pkt->side_data_elems;
202
203
2/2
✓ Branch 0 taken 337 times.
✓ Branch 1 taken 84713 times.
 85050 for (i = 0; i < elems; i++) {
204 337 AVPacketSideData *sd = &pkt->side_data[i];
205
206
2/2
✓ Branch 0 taken 3 times.
✓ Branch 1 taken 334 times.
 337 if (sd->type == type) {
207 3 av_free(sd->data);
208 3 sd->data = data;
209 3 sd->size = size;
210 3 return 0;
211 }
212 }
213
214
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 84713 times.
 84713 if ((unsigned)elems + 1 > AV_PKT_DATA_NB)
215 ✗ return AVERROR(ERANGE);
216
217 84713 tmp = av_realloc(pkt->side_data, (elems + 1) * sizeof(*tmp));
218
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 84713 times.
 84713 if (!tmp)
219 ✗ return AVERROR(ENOMEM);
220
221 84713 pkt->side_data = tmp;
222 84713 pkt->side_data[elems].data = data;
223 84713 pkt->side_data[elems].size = size;
224 84713 pkt->side_data[elems].type = type;
225 84713 pkt->side_data_elems++;
226
227 84713 return 0;
228 }
229
230
231 83133 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
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 83133 times.
 83133 if (size > SIZE_MAX - AV_INPUT_BUFFER_PADDING_SIZE)
238 ✗ return NULL;
239 83133 data = av_mallocz(size + AV_INPUT_BUFFER_PADDING_SIZE);
240
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 83133 times.
 83133 if (!data)
241 ✗ return NULL;
242
243 83133 ret = av_packet_add_side_data(pkt, type, data, size);
244
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 83133 times.
 83133 if (ret < 0) {
245 ✗ av_freep(&data);
246 ✗ return NULL;
247 }
248
249 83133 return data;
250 }
251
252 892431 uint8_t *av_packet_get_side_data(const AVPacket *pkt, enum AVPacketSideDataType type,
253 size_t *size)
254 {
255 int i;
256
257
2/2
✓ Branch 0 taken 46960 times.
✓ Branch 1 taken 877379 times.
 924339 for (i = 0; i < pkt->side_data_elems; i++) {
258
2/2
✓ Branch 0 taken 15052 times.
✓ Branch 1 taken 31908 times.
 46960 if (pkt->side_data[i].type == type) {
259
2/2
✓ Branch 0 taken 1530 times.
✓ Branch 1 taken 13522 times.
 15052 if (size)
260 1530 *size = pkt->side_data[i].size;
261 15052 return pkt->side_data[i].data;
262 }
263 }
264
2/2
✓ Branch 0 taken 690848 times.
✓ Branch 1 taken 186531 times.
 877379 if (size)
265 690848 *size = 0;
266 877379 return NULL;
267 }
268
269 5423 const char *av_packet_side_data_name(enum AVPacketSideDataType type)
270 {
271
27/45
✗ Branch 0 not taken.
✓ Branch 1 taken 15 times.
✗ Branch 2 not taken.
✗ Branch 3 not taken.
✓ Branch 4 taken 1 times.
✓ Branch 5 taken 70 times.
✓ Branch 6 taken 509 times.
✓ Branch 7 taken 24 times.
✓ Branch 8 taken 1464 times.
✗ Branch 9 not taken.
✓ Branch 10 taken 425 times.
✓ Branch 11 taken 250 times.
✗ Branch 12 not taken.
✓ Branch 13 taken 171 times.
✗ Branch 14 not taken.
✓ Branch 15 taken 7 times.
✓ Branch 16 taken 12 times.
✓ Branch 17 taken 24 times.
✗ Branch 18 not taken.
✓ Branch 19 taken 2042 times.
✓ Branch 20 taken 49 times.
✓ Branch 21 taken 45 times.
✓ Branch 22 taken 22 times.
✗ Branch 23 not taken.
✓ Branch 24 taken 4 times.
✗ Branch 25 not taken.
✗ Branch 26 not taken.
✗ Branch 27 not taken.
✓ Branch 28 taken 40 times.
✓ Branch 29 taken 57 times.
✗ Branch 30 not taken.
✓ Branch 31 taken 4 times.
✗ Branch 32 not taken.
✓ Branch 33 taken 8 times.
✗ Branch 34 not taken.
✗ Branch 35 not taken.
✗ Branch 36 not taken.
✓ Branch 37 taken 50 times.
✓ Branch 38 taken 60 times.
✓ Branch 39 taken 2 times.
✗ Branch 40 not taken.
✓ Branch 41 taken 30 times.
✓ Branch 42 taken 32 times.
✓ Branch 43 taken 6 times.
✗ Branch 44 not taken.
 5423 switch(type) {
272 ✗ case AV_PKT_DATA_PALETTE: return "Palette";
273 15 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 1 case AV_PKT_DATA_REPLAYGAIN: return "Replay Gain";
277 70 case AV_PKT_DATA_DISPLAYMATRIX: return "Display Matrix";
278 509 case AV_PKT_DATA_STEREO3D: return "Stereo 3D";
279 24 case AV_PKT_DATA_AUDIO_SERVICE_TYPE: return "Audio Service Type";
280 1464 case AV_PKT_DATA_QUALITY_STATS: return "Quality stats";
281 ✗ case AV_PKT_DATA_FALLBACK_TRACK: return "Fallback track";
282 425 case AV_PKT_DATA_CPB_PROPERTIES: return "CPB properties";
283 250 case AV_PKT_DATA_SKIP_SAMPLES: return "Skip Samples";
284 ✗ case AV_PKT_DATA_JP_DUALMONO: return "JP Dual Mono";
285 171 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 2042 case AV_PKT_DATA_MPEGTS_STREAM_ID: return "MPEGTS Stream ID";
292 49 case AV_PKT_DATA_MASTERING_DISPLAY_METADATA: return "Mastering display metadata";
293 45 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 40 case AV_PKT_DATA_ICC_PROFILE: return "ICC Profile";
301 57 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 50 case AV_PKT_DATA_FRAME_CROPPING: return "Frame Cropping";
310 60 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 30 case AV_PKT_DATA_EXIF: return "EXIF metadata";
314 32 case AV_PKT_DATA_HEVC_CONF: return "HEVC enhancement-layer decoder configuration";
315 6 case AV_PKT_DATA_GAIN_MAP_PARAMS: return "Gain Map Parameters";
316 }
317 ✗ return NULL;
318 }
319
320 670 uint8_t *av_packet_pack_dictionary(const AVDictionary *dict, size_t *size)
321 {
322 670 uint8_t *data = NULL;
323 670 *size = 0;
324
325
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 670 times.
 670 if (!dict)
326 ✗ return NULL;
327
328
1/2
✓ Branch 0 taken 1340 times.
✗ Branch 1 not taken.
 1340 for (int pass = 0; pass < 2; pass++) {
329 1340 const AVDictionaryEntry *t = NULL;
330 1340 size_t total_length = 0;
331
332
2/2
✓ Branch 1 taken 6996 times.
✓ Branch 2 taken 1340 times.
 8336 while ((t = av_dict_iterate(dict, t))) {
333
2/2
✓ Branch 0 taken 13992 times.
✓ Branch 1 taken 6996 times.
 20988 for (int i = 0; i < 2; i++) {
334
2/2
✓ Branch 0 taken 6996 times.
✓ Branch 1 taken 6996 times.
 13992 const char *str = i ? t->value : t->key;
335 13992 const size_t len = strlen(str) + 1;
336
337
2/2
✓ Branch 0 taken 6996 times.
✓ Branch 1 taken 6996 times.
 13992 if (pass)
338 6996 memcpy(data + total_length, str, len);
339
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 6996 times.
 6996 else if (len > SIZE_MAX - total_length)
340 ✗ return NULL;
341 13992 total_length += len;
342 }
343 }
344
2/2
✓ Branch 0 taken 670 times.
✓ Branch 1 taken 670 times.
 1340 if (pass)
345 670 break;
346 670 data = av_malloc(total_length);
347
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 670 times.
 670 if (!data)
348 ✗ return NULL;
349 670 *size = total_length;
350 }
351
352 670 return data;
353 }
354
355 10674 int av_packet_unpack_dictionary(const uint8_t *data, size_t size,
356 AVDictionary **dict)
357 {
358 const uint8_t *end;
359 int ret;
360
361
5/6
✓ Branch 0 taken 10674 times.
✗ Branch 1 not taken.
✓ Branch 2 taken 649 times.
✓ Branch 3 taken 10025 times.
✓ Branch 4 taken 20 times.
✓ Branch 5 taken 629 times.
 10674 if (!dict || !data || !size)
362 10045 return 0;
363 629 end = data + size;
364
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 629 times.
 629 if (end[-1])
365 ✗ return AVERROR_INVALIDDATA;
366
2/2
✓ Branch 0 taken 3471 times.
✓ Branch 1 taken 629 times.
 4100 while (data < end) {
367 3471 const uint8_t *key = data;
368 3471 const uint8_t *val = data + strlen(key) + 1;
369
370
2/4
✓ Branch 0 taken 3471 times.
✗ Branch 1 not taken.
✗ Branch 2 not taken.
✓ Branch 3 taken 3471 times.
 3471 if (val >= end || !*key)
371 ✗ return AVERROR_INVALIDDATA;
372
373 3471 ret = av_dict_set(dict, key, val, 0);
374
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 3471 times.
 3471 if (ret < 0)
375 ✗ return ret;
376 3471 data = val + strlen(val) + 1;
377 }
378
379 629 return 0;
380 }
381
382 ✗ int av_packet_shrink_side_data(AVPacket *pkt, enum AVPacketSideDataType type,
383 size_t size)
384 {
385 int i;
386
387 ✗ for (i = 0; i < pkt->side_data_elems; i++) {
388 ✗ if (pkt->side_data[i].type == type) {
389 ✗ if (size > pkt->side_data[i].size)
390 ✗ return AVERROR(ENOMEM);
391 ✗ pkt->side_data[i].size = size;
392 ✗ return 0;
393 }
394 }
395 ✗ return AVERROR(ENOENT);
396 }
397
398 900156 int av_packet_copy_props(AVPacket *dst, const AVPacket *src)
399 {
400 int i, ret;
401
402 900156 dst->pts = src->pts;
403 900156 dst->dts = src->dts;
404 900156 dst->pos = src->pos;
405 900156 dst->duration = src->duration;
406 900156 dst->flags = src->flags;
407 900156 dst->stream_index = src->stream_index;
408 900156 dst->opaque = src->opaque;
409 900156 dst->time_base = src->time_base;
410 900156 dst->opaque_ref = NULL;
411 900156 dst->side_data = NULL;
412 900156 dst->side_data_elems = 0;
413
414 900156 ret = av_buffer_replace(&dst->opaque_ref, src->opaque_ref);
415
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 900156 times.
 900156 if (ret < 0)
416 ✗ return ret;
417
418
2/2
✓ Branch 0 taken 23524 times.
✓ Branch 1 taken 900156 times.
 923680 for (i = 0; i < src->side_data_elems; i++) {
419 23524 enum AVPacketSideDataType type = src->side_data[i].type;
420 23524 size_t size = src->side_data[i].size;
421 23524 uint8_t *src_data = src->side_data[i].data;
422 23524 uint8_t *dst_data = av_packet_new_side_data(dst, type, size);
423
424
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 23524 times.
 23524 if (!dst_data) {
425 ✗ av_buffer_unref(&dst->opaque_ref);
426 ✗ av_packet_free_side_data(dst);
427 ✗ return AVERROR(ENOMEM);
428 }
429 23524 memcpy(dst_data, src_data, size);
430 }
431
432 900156 return 0;
433 }
434
435 8978555 void av_packet_unref(AVPacket *pkt)
436 {
437 8978555 av_packet_free_side_data(pkt);
438 8978555 av_buffer_unref(&pkt->opaque_ref);
439 8978555 av_buffer_unref(&pkt->buf);
440 8978555 get_packet_defaults(pkt);
441 8978555 }
442
443 445361 int av_packet_ref(AVPacket *dst, const AVPacket *src)
444 {
445 int ret;
446
447 445361 dst->buf = NULL;
448
449 445361 ret = av_packet_copy_props(dst, src);
450
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 445361 times.
 445361 if (ret < 0)
451 ✗ goto fail;
452
453
2/2
✓ Branch 0 taken 1030 times.
✓ Branch 1 taken 444331 times.
 445361 if (!src->buf) {
454 1030 ret = packet_alloc(&dst->buf, src->size);
455
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 1030 times.
 1030 if (ret < 0)
456 ✗ goto fail;
457 av_assert1(!src->size || src->data);
458
1/2
✓ Branch 0 taken 1030 times.
✗ Branch 1 not taken.
 1030 if (src->size)
459 1030 memcpy(dst->buf->data, src->data, src->size);
460
461 1030 dst->data = dst->buf->data;
462 } else {
463 444331 dst->buf = av_buffer_ref(src->buf);
464
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 444331 times.
 444331 if (!dst->buf) {
465 ✗ ret = AVERROR(ENOMEM);
466 ✗ goto fail;
467 }
468 444331 dst->data = src->data;
469 }
470
471 445361 dst->size = src->size;
472
473 445361 return 0;
474 ✗ fail:
475 ✗ av_packet_unref(dst);
476 ✗ return ret;
477 }
478
479 6 AVPacket *av_packet_clone(const AVPacket *src)
480 {
481 6 AVPacket *ret = av_packet_alloc();
482
483
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 6 times.
 6 if (!ret)
484 ✗ return ret;
485
486
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 6 times.
 6 if (av_packet_ref(ret, src))
487 ✗ av_packet_free(&ret);
488
489 6 return ret;
490 }
491
492 4154024 void av_packet_move_ref(AVPacket *dst, AVPacket *src)
493 {
494 4154024 *dst = *src;
495 4154024 get_packet_defaults(src);
496 4154024 }
497
498 2320978 int av_packet_make_refcounted(AVPacket *pkt)
499 {
500 int ret;
501
502
2/2
✓ Branch 0 taken 2145149 times.
✓ Branch 1 taken 175829 times.
 2320978 if (pkt->buf)
503 2145149 return 0;
504
505 175829 ret = packet_alloc(&pkt->buf, pkt->size);
506
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 175829 times.
 175829 if (ret < 0)
507 ✗ return ret;
508 av_assert1(!pkt->size || pkt->data);
509
2/2
✓ Branch 0 taken 174266 times.
✓ Branch 1 taken 1563 times.
 175829 if (pkt->size)
510 174266 memcpy(pkt->buf->data, pkt->data, pkt->size);
511
512 175829 pkt->data = pkt->buf->data;
513
514 175829 return 0;
515 }
516
517 142 int av_packet_make_writable(AVPacket *pkt)
518 {
519 142 AVBufferRef *buf = NULL;
520 int ret;
521
522
2/4
✓ Branch 0 taken 142 times.
✗ Branch 1 not taken.
✓ Branch 3 taken 142 times.
✗ Branch 4 not taken.
 142 if (pkt->buf && av_buffer_is_writable(pkt->buf))
523 142 return 0;
524
525 ✗ ret = packet_alloc(&buf, pkt->size);
526 ✗ if (ret < 0)
527 ✗ return ret;
528 av_assert1(!pkt->size || pkt->data);
529 ✗ if (pkt->size)
530 ✗ memcpy(buf->data, pkt->data, pkt->size);
531
532 ✗ av_buffer_unref(&pkt->buf);
533 ✗ pkt->buf = buf;
534 ✗ pkt->data = buf->data;
535
536 ✗ return 0;
537 }
538
539 583651 void av_packet_rescale_ts(AVPacket *pkt, AVRational src_tb, AVRational dst_tb)
540 {
541
2/2
✓ Branch 0 taken 567441 times.
✓ Branch 1 taken 16210 times.
 583651 if (pkt->pts != AV_NOPTS_VALUE)
542 567441 pkt->pts = av_rescale_q(pkt->pts, src_tb, dst_tb);
543
2/2
✓ Branch 0 taken 583637 times.
✓ Branch 1 taken 14 times.
 583651 if (pkt->dts != AV_NOPTS_VALUE)
544 583637 pkt->dts = av_rescale_q(pkt->dts, src_tb, dst_tb);
545
2/2
✓ Branch 0 taken 563612 times.
✓ Branch 1 taken 20039 times.
 583651 if (pkt->duration > 0)
546 563612 pkt->duration = av_rescale_q(pkt->duration, src_tb, dst_tb);
547 583651 }
548
549 ✗ int ff_side_data_set_prft(AVPacket *pkt, int64_t timestamp)
550 {
551 AVProducerReferenceTime *prft;
552 uint8_t *side_data;
553 size_t side_data_size;
554
555 ✗ side_data = av_packet_get_side_data(pkt, AV_PKT_DATA_PRFT, &side_data_size);
556 ✗ if (!side_data) {
557 ✗ side_data_size = sizeof(AVProducerReferenceTime);
558 ✗ side_data = av_packet_new_side_data(pkt, AV_PKT_DATA_PRFT, side_data_size);
559 }
560
561 ✗ if (!side_data || side_data_size < sizeof(AVProducerReferenceTime))
562 ✗ return AVERROR(ENOMEM);
563
564 ✗ prft = (AVProducerReferenceTime *)side_data;
565 ✗ prft->wallclock = timestamp;
566 ✗ prft->flags = 0;
567
568 ✗ return 0;
569 }
570
571 1242303 const AVPacketSideData *av_packet_side_data_get(const AVPacketSideData *sd, int nb_sd,
572 enum AVPacketSideDataType type)
573 {
574
2/2
✓ Branch 0 taken 75873 times.
✓ Branch 1 taken 1242104 times.
 1317977 for (int i = 0; i < nb_sd; i++)
575
2/2
✓ Branch 0 taken 199 times.
✓ Branch 1 taken 75674 times.
 75873 if (sd[i].type == type)
576 199 return &sd[i];
577
578 1242104 return NULL;
579 }
580
581 1084 static AVPacketSideData *packet_side_data_add(AVPacketSideData **psd, int *pnb_sd,
582 enum AVPacketSideDataType type,
583 void *data, size_t size)
584 {
585 1084 AVPacketSideData *sd = *psd, *tmp;
586 1084 int nb_sd = *pnb_sd;
587
588
2/2
✓ Branch 0 taken 152 times.
✓ Branch 1 taken 1081 times.
 1233 for (int i = 0; i < nb_sd; i++) {
589
2/2
✓ Branch 0 taken 149 times.
✓ Branch 1 taken 3 times.
 152 if (sd[i].type != type)
590 149 continue;
591
592 3 av_free(sd[i].data);
593 3 sd[i].data = data;
594 3 sd[i].size = size;
595 3 return &sd[i];
596 }
597
598
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 1081 times.
 1081 if (nb_sd == INT_MAX)
599 ✗ return NULL;
600
601 1081 tmp = av_realloc_array(sd, nb_sd + 1, sizeof(*tmp));
602
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 1081 times.
 1081 if (!tmp)
603 ✗ return NULL;
604
605 1081 *psd = sd = tmp;
606 1081 sd[nb_sd].type = type;
607 1081 sd[nb_sd].data = data;
608 1081 sd[nb_sd].size = size;
609 1081 *pnb_sd = nb_sd + 1;
610
611 1081 return &sd[nb_sd];
612 }
613
614 577 AVPacketSideData *av_packet_side_data_add(AVPacketSideData **psd, int *pnb_sd,
615 enum AVPacketSideDataType type,
616 void *data, size_t size, int flags)
617 {
618 577 return packet_side_data_add(psd, pnb_sd, type, data, size);
619 }
620
621 507 AVPacketSideData *av_packet_side_data_new(AVPacketSideData **psd, int *pnb_sd,
622 enum AVPacketSideDataType type,
623 size_t size, int flags)
624 {
625 507 AVPacketSideData *sd = NULL;
626 uint8_t *data;
627
628
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 507 times.
 507 if (size > SIZE_MAX - AV_INPUT_BUFFER_PADDING_SIZE)
629 ✗ return NULL;
630
631 507 data = av_malloc(size + AV_INPUT_BUFFER_PADDING_SIZE);
632
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 507 times.
 507 if (!data)
633 ✗ return NULL;
634 507 memset(data + size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
635
636 507 sd = packet_side_data_add(psd, pnb_sd, type, data, size);
637
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 507 times.
 507 if (!sd)
638 ✗ av_freep(&data);
639
640 507 return sd;
641 }
642
643 41 void av_packet_side_data_remove(AVPacketSideData *sd, int *pnb_sd,
644 enum AVPacketSideDataType type)
645 {
646 41 int nb_sd = *pnb_sd;
647
648
2/2
✓ Branch 0 taken 9 times.
✓ Branch 1 taken 33 times.
 42 for (int i = nb_sd - 1; i >= 0; i--) {
649
2/2
✓ Branch 0 taken 1 times.
✓ Branch 1 taken 8 times.
 9 if (sd[i].type != type)
650 1 continue;
651 8 av_free(sd[i].data);
652 8 sd[i] = sd[--nb_sd];
653 8 break;
654 }
655
656 41 *pnb_sd = nb_sd;
657 41 }
658
659 369920 void av_packet_side_data_free(AVPacketSideData **psd, int *pnb_sd)
660 {
661 369920 AVPacketSideData *sd = *psd;
662 369920 int nb_sd = *pnb_sd;
663
664
2/2
✓ Branch 0 taken 6438 times.
✓ Branch 1 taken 369920 times.
 376358 for (int i = 0; i < nb_sd; i++)
665 6438 av_free(sd[i].data);
666
667 369920 av_freep(psd);
668 369920 *pnb_sd = 0;
669 369920 }
670
671 26568 static void *container_packet_alloc(void *opaque)
672 {
673 26568 return av_packet_alloc();
674 }
675
676 1045928 static void container_packet_reset(void *opaque, void *obj)
677 {
678 1045928 av_packet_unref(obj);
679 1045928 }
680
681 26568 static void container_packet_free(void *opaque, void *obj)
682 {
683 26568 AVPacket *pkt = obj;
684 26568 av_packet_free(&pkt);
685 26568 }
686
687 2084836 static int container_packet_transfer(void *opaque, void *dst, void *src, unsigned flags)
688 {
689
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 2084836 times.
 2084836 if (flags & AV_CONTAINER_FIFO_FLAG_REF)
690 ✗ return av_packet_ref(dst, src);
691
692 2084836 av_packet_move_ref(dst, src);
693 2084836 return 0;
694 }
695
696 16337 AVContainerFifo *av_container_fifo_alloc_avpacket(unsigned flags)
697 {
698 16337 return av_container_fifo_alloc(NULL, container_packet_alloc,
699 container_packet_reset, container_packet_free,
700 container_packet_transfer, 0);
701 }
702