FFmpeg coverage

Directory: ../../../ffmpeg/
File: src/libavcodec/decode.c
Date: 2025-04-25 22:50:00
Exec Total Coverage
Lines: 797 1185 67.3%
Functions: 66 69 95.7%
Branches: 486 843 57.7%
Line Branch Exec Source
1 /*
2 * generic decoding-related code
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 #include <stdint.h>
22 #include <stdbool.h>
23 #include <string.h>
24
25 #include "config.h"
26
27 #if CONFIG_ICONV
28 # include <iconv.h>
29 #endif
30
31 #include "libavutil/avassert.h"
32 #include "libavutil/channel_layout.h"
33 #include "libavutil/common.h"
34 #include "libavutil/emms.h"
35 #include "libavutil/frame.h"
36 #include "libavutil/hwcontext.h"
37 #include "libavutil/imgutils.h"
38 #include "libavutil/internal.h"
39 #include "libavutil/mastering_display_metadata.h"
40 #include "libavutil/mem.h"
41 #include "libavutil/stereo3d.h"
42
43 #include "avcodec.h"
44 #include "avcodec_internal.h"
45 #include "bytestream.h"
46 #include "bsf.h"
47 #include "codec_desc.h"
48 #include "codec_internal.h"
49 #include "decode.h"
50 #include "hwaccel_internal.h"
51 #include "hwconfig.h"
52 #include "internal.h"
53 #include "lcevcdec.h"
54 #include "packet_internal.h"
55 #include "progressframe.h"
56 #include "libavutil/refstruct.h"
57 #include "thread.h"
58 #include "threadprogress.h"
59
60 typedef struct DecodeContext {
61 AVCodecInternal avci;
62
63 /**
64 * This is set to AV_FRAME_FLAG_KEY for decoders of intra-only formats
65 * (those whose codec descriptor has AV_CODEC_PROP_INTRA_ONLY set)
66 * to set the flag generically.
67 */
68 int intra_only_flag;
69
70 /**
71 * This is set to AV_PICTURE_TYPE_I for intra only video decoders
72 * and to AV_PICTURE_TYPE_NONE for other decoders. It is used to set
73 * the AVFrame's pict_type before the decoder receives it.
74 */
75 enum AVPictureType initial_pict_type;
76
77 /* to prevent infinite loop on errors when draining */
78 int nb_draining_errors;
79
80 /**
81 * The caller has submitted a NULL packet on input.
82 */
83 int draining_started;
84
85 int64_t pts_correction_num_faulty_pts; /// Number of incorrect PTS values so far
86 int64_t pts_correction_num_faulty_dts; /// Number of incorrect DTS values so far
87 int64_t pts_correction_last_pts; /// PTS of the last frame
88 int64_t pts_correction_last_dts; /// DTS of the last frame
89
90 /**
91 * Bitmask indicating for which side data types we prefer user-supplied
92 * (global or attached to packets) side data over bytestream.
93 */
94 uint64_t side_data_pref_mask;
95
96 FFLCEVCContext *lcevc;
97 int lcevc_frame;
98 int width;
99 int height;
100 } DecodeContext;
101
102 4347194 static DecodeContext *decode_ctx(AVCodecInternal *avci)
103 {
104 4347194 return (DecodeContext *)avci;
105 }
106
107 388546 static int apply_param_change(AVCodecContext *avctx, const AVPacket *avpkt)
108 {
109 int ret;
110 size_t size;
111 const uint8_t *data;
112 uint32_t flags;
113 int64_t val;
114
115 388546 data = av_packet_get_side_data(avpkt, AV_PKT_DATA_PARAM_CHANGE, &size);
116
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 388546 if (!data)
117 388544 return 0;
118
119
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 2 if (!(avctx->codec->capabilities & AV_CODEC_CAP_PARAM_CHANGE)) {
120 ✗ av_log(avctx, AV_LOG_ERROR, "This decoder does not support parameter "
121 "changes, but PARAM_CHANGE side data was sent to it.\n");
122 ✗ ret = AVERROR(EINVAL);
123 ✗ goto fail2;
124 }
125
126
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 2 if (size < 4)
127 ✗ goto fail;
128
129 2 flags = bytestream_get_le32(&data);
130 2 size -= 4;
131
132
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 2 if (flags & AV_SIDE_DATA_PARAM_CHANGE_SAMPLE_RATE) {
133 ✗ if (size < 4)
134 ✗ goto fail;
135 ✗ val = bytestream_get_le32(&data);
136 ✗ if (val <= 0 || val > INT_MAX) {
137 ✗ av_log(avctx, AV_LOG_ERROR, "Invalid sample rate");
138 ✗ ret = AVERROR_INVALIDDATA;
139 ✗ goto fail2;
140 }
141 ✗ avctx->sample_rate = val;
142 ✗ size -= 4;
143 }
144
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 2 if (flags & AV_SIDE_DATA_PARAM_CHANGE_DIMENSIONS) {
145
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 2 if (size < 8)
146 ✗ goto fail;
147 2 avctx->width = bytestream_get_le32(&data);
148 2 avctx->height = bytestream_get_le32(&data);
149 2 size -= 8;
150 2 ret = ff_set_dimensions(avctx, avctx->width, avctx->height);
151
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 2 if (ret < 0)
152 ✗ goto fail2;
153 }
154
155 2 return 0;
156 ✗ fail:
157 ✗ av_log(avctx, AV_LOG_ERROR, "PARAM_CHANGE side data too small.\n");
158 ✗ ret = AVERROR_INVALIDDATA;
159 ✗ fail2:
160 ✗ if (ret < 0) {
161 ✗ av_log(avctx, AV_LOG_ERROR, "Error applying parameter changes.\n");
162 ✗ if (avctx->err_recognition & AV_EF_EXPLODE)
163 ✗ return ret;
164 }
165 ✗ return 0;
166 }
167
168 388546 static int extract_packet_props(AVCodecInternal *avci, const AVPacket *pkt)
169 {
170 388546 int ret = 0;
171
172 388546 av_packet_unref(avci->last_pkt_props);
173
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 388546 if (pkt) {
174 388546 ret = av_packet_copy_props(avci->last_pkt_props, pkt);
175 }
176 388546 return ret;
177 }
178
179 15445 static int decode_bsfs_init(AVCodecContext *avctx)
180 {
181 15445 AVCodecInternal *avci = avctx->internal;
182 15445 const FFCodec *const codec = ffcodec(avctx->codec);
183 int ret;
184
185
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 15445 if (avci->bsf)
186 ✗ return 0;
187
188 15445 ret = av_bsf_list_parse_str(codec->bsfs, &avci->bsf);
189
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 15445 if (ret < 0) {
190 ✗ av_log(avctx, AV_LOG_ERROR, "Error parsing decoder bitstream filters '%s': %s\n", codec->bsfs, av_err2str(ret));
191 ✗ if (ret != AVERROR(ENOMEM))
192 ✗ ret = AVERROR_BUG;
193 ✗ goto fail;
194 }
195
196 /* We do not currently have an API for passing the input timebase into decoders,
197 * but no filters used here should actually need it.
198 * So we make up some plausible-looking number (the MPEG 90kHz timebase) */
199 15445 avci->bsf->time_base_in = (AVRational){ 1, 90000 };
200 15445 ret = avcodec_parameters_from_context(avci->bsf->par_in, avctx);
201
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 15445 if (ret < 0)
202 ✗ goto fail;
203
204 15445 ret = av_bsf_init(avci->bsf);
205
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 15445 if (ret < 0)
206 ✗ goto fail;
207 15445 ret = avcodec_parameters_to_context(avctx, avci->bsf->par_out);
208
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 15445 if (ret < 0)
209 ✗ goto fail;
210
211 15445 return 0;
212 ✗ fail:
213 ✗ av_bsf_free(&avci->bsf);
214 ✗ return ret;
215 }
216
217 #if !HAVE_THREADS
218 #define ff_thread_get_packet(avctx, pkt) (AVERROR_BUG)
219 #define ff_thread_receive_frame(avctx, frame) (AVERROR_BUG)
220 #endif
221
222 1167920 static int decode_get_packet(AVCodecContext *avctx, AVPacket *pkt)
223 {
224 1167920 AVCodecInternal *avci = avctx->internal;
225 int ret;
226
227 1167920 ret = av_bsf_receive_packet(avci->bsf, pkt);
228
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 1167920 if (ret < 0)
229 779374 return ret;
230
231
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 388546 if (!(ffcodec(avctx->codec)->caps_internal & FF_CODEC_CAP_SETS_FRAME_PROPS)) {
232 388546 ret = extract_packet_props(avctx->internal, pkt);
233
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 388546 if (ret < 0)
234 ✗ goto finish;
235 }
236
237 388546 ret = apply_param_change(avctx, pkt);
238
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 388546 if (ret < 0)
239 ✗ goto finish;
240
241 388546 return 0;
242 ✗ finish:
243 ✗ av_packet_unref(pkt);
244 ✗ return ret;
245 }
246
247 777292 int ff_decode_get_packet(AVCodecContext *avctx, AVPacket *pkt)
248 {
249 777292 AVCodecInternal *avci = avctx->internal;
250 777292 DecodeContext *dc = decode_ctx(avci);
251
252
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 777292 if (avci->draining)
253 193 return AVERROR_EOF;
254
255 /* If we are a worker thread, get the next packet from the threading
256 * context. Otherwise we are the main (user-facing) context, so we get the
257 * next packet from the input filterchain.
258 */
259
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 777099 if (avctx->internal->is_frame_mt)
260 1076 return ff_thread_get_packet(avctx, pkt);
261
262 391897 while (1) {
263 1167920 int ret = decode_get_packet(avctx, pkt);
264
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 1167920 if (ret == AVERROR(EAGAIN) &&
265
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 775959 (!AVPACKET_IS_EMPTY(avci->buffer_pkt) || dc->draining_started)) {
266 391897 ret = av_bsf_send_packet(avci->bsf, avci->buffer_pkt);
267
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 391897 if (ret >= 0)
268 391897 continue;
269
270 ✗ av_packet_unref(avci->buffer_pkt);
271 }
272
273
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 776023 if (ret == AVERROR_EOF)
274 3415 avci->draining = 1;
275 776023 return ret;
276 }
277 }
278
279 /**
280 * Attempt to guess proper monotonic timestamps for decoded video frames
281 * which might have incorrect times. Input timestamps may wrap around, in
282 * which case the output will as well.
283 *
284 * @param pts the pts field of the decoded AVPacket, as passed through
285 * AVFrame.pts
286 * @param dts the dts field of the decoded AVPacket
287 * @return one of the input values, may be AV_NOPTS_VALUE
288 */
289 406670 static int64_t guess_correct_pts(DecodeContext *dc,
290 int64_t reordered_pts, int64_t dts)
291 {
292 406670 int64_t pts = AV_NOPTS_VALUE;
293
294
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 406670 if (dts != AV_NOPTS_VALUE) {
295 316604 dc->pts_correction_num_faulty_dts += dts <= dc->pts_correction_last_dts;
296 316604 dc->pts_correction_last_dts = dts;
297
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 90066 } else if (reordered_pts != AV_NOPTS_VALUE)
298 359 dc->pts_correction_last_dts = reordered_pts;
299
300
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 406670 if (reordered_pts != AV_NOPTS_VALUE) {
301 316215 dc->pts_correction_num_faulty_pts += reordered_pts <= dc->pts_correction_last_pts;
302 316215 dc->pts_correction_last_pts = reordered_pts;
303
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 90455 } else if(dts != AV_NOPTS_VALUE)
304 748 dc->pts_correction_last_pts = dts;
305
306
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 406670 if ((dc->pts_correction_num_faulty_pts<=dc->pts_correction_num_faulty_dts || dts == AV_NOPTS_VALUE)
307
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 406113 && reordered_pts != AV_NOPTS_VALUE)
308 315658 pts = reordered_pts;
309 else
310 91012 pts = dts;
311
312 406670 return pts;
313 }
314
315 260982 static int discard_samples(AVCodecContext *avctx, AVFrame *frame, int64_t *discarded_samples)
316 {
317 260982 AVCodecInternal *avci = avctx->internal;
318 AVFrameSideData *side;
319 260982 uint32_t discard_padding = 0;
320 260982 uint8_t skip_reason = 0;
321 260982 uint8_t discard_reason = 0;
322
323 260982 side = av_frame_get_side_data(frame, AV_FRAME_DATA_SKIP_SAMPLES);
324
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 260982 if (side && side->size >= 10) {
325 116 avci->skip_samples = AV_RL32(side->data);
326 116 avci->skip_samples = FFMAX(0, avci->skip_samples);
327 116 discard_padding = AV_RL32(side->data + 4);
328 116 av_log(avctx, AV_LOG_DEBUG, "skip %d / discard %d samples due to side data\n",
329 avci->skip_samples, (int)discard_padding);
330 116 skip_reason = AV_RL8(side->data + 8);
331 116 discard_reason = AV_RL8(side->data + 9);
332 }
333
334
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 260982 if ((avctx->flags2 & AV_CODEC_FLAG2_SKIP_MANUAL)) {
335 ✗ if (!side && (avci->skip_samples || discard_padding))
336 ✗ side = av_frame_new_side_data(frame, AV_FRAME_DATA_SKIP_SAMPLES, 10);
337 ✗ if (side && (avci->skip_samples || discard_padding)) {
338 ✗ AV_WL32(side->data, avci->skip_samples);
339 ✗ AV_WL32(side->data + 4, discard_padding);
340 ✗ AV_WL8(side->data + 8, skip_reason);
341 ✗ AV_WL8(side->data + 9, discard_reason);
342 ✗ avci->skip_samples = 0;
343 }
344 ✗ return 0;
345 }
346 260982 av_frame_remove_side_data(frame, AV_FRAME_DATA_SKIP_SAMPLES);
347
348
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 260982 if ((frame->flags & AV_FRAME_FLAG_DISCARD)) {
349 20 avci->skip_samples = FFMAX(0, avci->skip_samples - frame->nb_samples);
350 20 *discarded_samples += frame->nb_samples;
351 20 return AVERROR(EAGAIN);
352 }
353
354
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 260962 if (avci->skip_samples > 0) {
355
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 224 if (frame->nb_samples <= avci->skip_samples){
356 156 *discarded_samples += frame->nb_samples;
357 156 avci->skip_samples -= frame->nb_samples;
358 156 av_log(avctx, AV_LOG_DEBUG, "skip whole frame, skip left: %d\n",
359 avci->skip_samples);
360 156 return AVERROR(EAGAIN);
361 } else {
362 68 av_samples_copy(frame->extended_data, frame->extended_data, 0, avci->skip_samples,
363 68 frame->nb_samples - avci->skip_samples, avctx->ch_layout.nb_channels, frame->format);
364
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 136 if (avctx->pkt_timebase.num && avctx->sample_rate) {
365 68 int64_t diff_ts = av_rescale_q(avci->skip_samples,
366 68 (AVRational){1, avctx->sample_rate},
367 avctx->pkt_timebase);
368
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 68 if (frame->pts != AV_NOPTS_VALUE)
369 68 frame->pts += diff_ts;
370
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 68 if (frame->pkt_dts != AV_NOPTS_VALUE)
371 68 frame->pkt_dts += diff_ts;
372
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 68 if (frame->duration >= diff_ts)
373 65 frame->duration -= diff_ts;
374 } else
375 ✗ av_log(avctx, AV_LOG_WARNING, "Could not update timestamps for skipped samples.\n");
376
377 68 av_log(avctx, AV_LOG_DEBUG, "skip %d/%d samples\n",
378 avci->skip_samples, frame->nb_samples);
379 68 *discarded_samples += avci->skip_samples;
380 68 frame->nb_samples -= avci->skip_samples;
381 68 avci->skip_samples = 0;
382 }
383 }
384
385
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 260806 if (discard_padding > 0 && discard_padding <= frame->nb_samples) {
386
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 7 if (discard_padding == frame->nb_samples) {
387 2 *discarded_samples += frame->nb_samples;
388 2 return AVERROR(EAGAIN);
389 } else {
390
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 5 if (avctx->pkt_timebase.num && avctx->sample_rate) {
391 5 int64_t diff_ts = av_rescale_q(frame->nb_samples - discard_padding,
392 5 (AVRational){1, avctx->sample_rate},
393 avctx->pkt_timebase);
394 5 frame->duration = diff_ts;
395 } else
396 ✗ av_log(avctx, AV_LOG_WARNING, "Could not update timestamps for discarded samples.\n");
397
398 5 av_log(avctx, AV_LOG_DEBUG, "discard %d/%d samples\n",
399 (int)discard_padding, frame->nb_samples);
400 5 frame->nb_samples -= discard_padding;
401 }
402 }
403
404 260804 return 0;
405 }
406
407 /*
408 * The core of the receive_frame_wrapper for the decoders implementing
409 * the simple API. Certain decoders might consume partial packets without
410 * returning any output, so this function needs to be called in a loop until it
411 * returns EAGAIN.
412 **/
413 783692 static inline int decode_simple_internal(AVCodecContext *avctx, AVFrame *frame, int64_t *discarded_samples)
414 {
415 783692 AVCodecInternal *avci = avctx->internal;
416 783692 DecodeContext *dc = decode_ctx(avci);
417 783692 AVPacket *const pkt = avci->in_pkt;
418 783692 const FFCodec *const codec = ffcodec(avctx->codec);
419 int got_frame, consumed;
420 int ret;
421
422
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 783692 if (!pkt->data && !avci->draining) {
423 753788 av_packet_unref(pkt);
424 753788 ret = ff_decode_get_packet(avctx, pkt);
425
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 753788 if (ret < 0 && ret != AVERROR_EOF)
426 373194 return ret;
427 }
428
429 // Some codecs (at least wma lossless) will crash when feeding drain packets
430 // after EOF was signaled.
431
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 410498 if (avci->draining_done)
432 564 return AVERROR_EOF;
433
434
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 409934 if (!pkt->data &&
435
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 3935 !(avctx->codec->capabilities & AV_CODEC_CAP_DELAY))
436 2717 return AVERROR_EOF;
437
438 407217 got_frame = 0;
439
440 407217 frame->pict_type = dc->initial_pict_type;
441 407217 frame->flags |= dc->intra_only_flag;
442 407217 consumed = codec->cb.decode(avctx, frame, &got_frame, pkt);
443
444
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 407217 if (!(codec->caps_internal & FF_CODEC_CAP_SETS_PKT_DTS))
445 407217 frame->pkt_dts = pkt->dts;
446 407217 emms_c();
447
448
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 407217 if (avctx->codec->type == AVMEDIA_TYPE_VIDEO) {
449
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 282643 ret = (!got_frame || frame->flags & AV_FRAME_FLAG_DISCARD)
450 ? AVERROR(EAGAIN)
451
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 282643 : 0;
452
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 260550 } else if (avctx->codec->type == AVMEDIA_TYPE_AUDIO) {
453 260550 ret = !got_frame ? AVERROR(EAGAIN)
454
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 260550 : discard_samples(avctx, frame, discarded_samples);
455 } else
456 ✗ av_assert0(0);
457
458
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 407217 if (ret == AVERROR(EAGAIN))
459 12424 av_frame_unref(frame);
460
461 // FF_CODEC_CB_TYPE_DECODE decoders must not return AVERROR EAGAIN
462 // code later will add AVERROR(EAGAIN) to a pointer
463
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 407217 av_assert0(consumed != AVERROR(EAGAIN));
464
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 407217 if (consumed < 0)
465 662 ret = consumed;
466
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 407217 if (consumed >= 0 && avctx->codec->type == AVMEDIA_TYPE_VIDEO)
467 146042 consumed = pkt->size;
468
469
2/2
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✓ Branch 1 taken 12424 times.
 407217 if (!ret)
470
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 394793 times.
 394793 av_assert0(frame->buf[0]);
471
2/2
✓ Branch 0 taken 11762 times.
✓ Branch 1 taken 395455 times.
 407217 if (ret == AVERROR(EAGAIN))
472 11762 ret = 0;
473
474 /* do not stop draining when got_frame != 0 or ret < 0 */
475
4/4
✓ Branch 0 taken 1218 times.
✓ Branch 1 taken 405999 times.
✓ Branch 2 taken 565 times.
✓ Branch 3 taken 653 times.
 407217 if (avci->draining && !got_frame) {
476
2/2
✓ Branch 0 taken 1 times.
✓ Branch 1 taken 564 times.
 565 if (ret < 0) {
477 /* prevent infinite loop if a decoder wrongly always return error on draining */
478 /* reasonable nb_errors_max = maximum b frames + thread count */
479
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 1 times.
 1 int nb_errors_max = 20 + (HAVE_THREADS && avctx->active_thread_type & FF_THREAD_FRAME ?
480 ✗ avctx->thread_count : 1);
481
482
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 1 times.
 1 if (decode_ctx(avci)->nb_draining_errors++ >= nb_errors_max) {
483 ✗ av_log(avctx, AV_LOG_ERROR, "Too many errors when draining, this is a bug. "
484 "Stop draining and force EOF.\n");
485 ✗ avci->draining_done = 1;
486 ✗ ret = AVERROR_BUG;
487 }
488 } else {
489 564 avci->draining_done = 1;
490 }
491 }
492
493
4/4
✓ Branch 0 taken 29295 times.
✓ Branch 1 taken 377922 times.
✓ Branch 2 taken 662 times.
✓ Branch 3 taken 28633 times.
 407217 if (consumed >= pkt->size || ret < 0) {
494 378584 av_packet_unref(pkt);
495 } else {
496 28633 pkt->data += consumed;
497 28633 pkt->size -= consumed;
498 28633 pkt->pts = AV_NOPTS_VALUE;
499 28633 pkt->dts = AV_NOPTS_VALUE;
500
1/2
✓ Branch 0 taken 28633 times.
✗ Branch 1 not taken.
 28633 if (!(codec->caps_internal & FF_CODEC_CAP_SETS_FRAME_PROPS)) {
501 28633 avci->last_pkt_props->pts = AV_NOPTS_VALUE;
502 28633 avci->last_pkt_props->dts = AV_NOPTS_VALUE;
503 }
504 }
505
506 407217 return ret;
507 }
508
509 #if CONFIG_LCMS2
510 static int detect_colorspace(AVCodecContext *avctx, AVFrame *frame)
511 {
512 AVCodecInternal *avci = avctx->internal;
513 enum AVColorTransferCharacteristic trc;
514 AVColorPrimariesDesc coeffs;
515 enum AVColorPrimaries prim;
516 cmsHPROFILE profile;
517 AVFrameSideData *sd;
518 int ret;
519 if (!(avctx->flags2 & AV_CODEC_FLAG2_ICC_PROFILES))
520 return 0;
521
522 sd = av_frame_get_side_data(frame, AV_FRAME_DATA_ICC_PROFILE);
523 if (!sd || !sd->size)
524 return 0;
525
526 if (!avci->icc.avctx) {
527 ret = ff_icc_context_init(&avci->icc, avctx);
528 if (ret < 0)
529 return ret;
530 }
531
532 profile = cmsOpenProfileFromMemTHR(avci->icc.ctx, sd->data, sd->size);
533 if (!profile)
534 return AVERROR_INVALIDDATA;
535
536 ret = ff_icc_profile_sanitize(&avci->icc, profile);
537 if (!ret)
538 ret = ff_icc_profile_read_primaries(&avci->icc, profile, &coeffs);
539 if (!ret)
540 ret = ff_icc_profile_detect_transfer(&avci->icc, profile, &trc);
541 cmsCloseProfile(profile);
542 if (ret < 0)
543 return ret;
544
545 prim = av_csp_primaries_id_from_desc(&coeffs);
546 if (prim != AVCOL_PRI_UNSPECIFIED)
547 frame->color_primaries = prim;
548 if (trc != AVCOL_TRC_UNSPECIFIED)
549 frame->color_trc = trc;
550 return 0;
551 }
552 #else /* !CONFIG_LCMS2 */
553 795838 static int detect_colorspace(av_unused AVCodecContext *c, av_unused AVFrame *f)
554 {
555 795838 return 0;
556 }
557 #endif
558
559 815784 static int fill_frame_props(const AVCodecContext *avctx, AVFrame *frame)
560 {
561 int ret;
562
563
2/2
✓ Branch 0 taken 554176 times.
✓ Branch 1 taken 261608 times.
 815784 if (frame->color_primaries == AVCOL_PRI_UNSPECIFIED)
564 554176 frame->color_primaries = avctx->color_primaries;
565
2/2
✓ Branch 0 taken 553815 times.
✓ Branch 1 taken 261969 times.
 815784 if (frame->color_trc == AVCOL_TRC_UNSPECIFIED)
566 553815 frame->color_trc = avctx->color_trc;
567
2/2
✓ Branch 0 taken 547913 times.
✓ Branch 1 taken 267871 times.
 815784 if (frame->colorspace == AVCOL_SPC_UNSPECIFIED)
568 547913 frame->colorspace = avctx->colorspace;
569
2/2
✓ Branch 0 taken 727054 times.
✓ Branch 1 taken 88730 times.
 815784 if (frame->color_range == AVCOL_RANGE_UNSPECIFIED)
570 727054 frame->color_range = avctx->color_range;
571
2/2
✓ Branch 0 taken 787543 times.
✓ Branch 1 taken 28241 times.
 815784 if (frame->chroma_location == AVCHROMA_LOC_UNSPECIFIED)
572 787543 frame->chroma_location = avctx->chroma_sample_location;
573
574
2/2
✓ Branch 0 taken 293939 times.
✓ Branch 1 taken 521845 times.
 815784 if (avctx->codec_type == AVMEDIA_TYPE_VIDEO) {
575
2/2
✓ Branch 0 taken 277853 times.
✓ Branch 1 taken 16086 times.
 293939 if (!frame->sample_aspect_ratio.num) frame->sample_aspect_ratio = avctx->sample_aspect_ratio;
576
2/2
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✓ Branch 1 taken 147455 times.
 293939 if (frame->format == AV_PIX_FMT_NONE) frame->format = avctx->pix_fmt;
577
1/2
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✗ Branch 1 not taken.
 521845 } else if (avctx->codec->type == AVMEDIA_TYPE_AUDIO) {
578
2/2
✓ Branch 0 taken 261015 times.
✓ Branch 1 taken 260830 times.
 521845 if (frame->format == AV_SAMPLE_FMT_NONE)
579 261015 frame->format = avctx->sample_fmt;
580
2/2
✓ Branch 0 taken 261015 times.
✓ Branch 1 taken 260830 times.
 521845 if (!frame->ch_layout.nb_channels) {
581 261015 ret = av_channel_layout_copy(&frame->ch_layout, &avctx->ch_layout);
582
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 261015 times.
 261015 if (ret < 0)
583 ✗ return ret;
584 }
585
2/2
✓ Branch 0 taken 260874 times.
✓ Branch 1 taken 260971 times.
 521845 if (!frame->sample_rate)
586 260874 frame->sample_rate = avctx->sample_rate;
587 }
588
589 815784 return 0;
590 }
591
592 771930 static int decode_simple_receive_frame(AVCodecContext *avctx, AVFrame *frame)
593 {
594 int ret;
595 771930 int64_t discarded_samples = 0;
596
597
2/2
✓ Branch 0 taken 783692 times.
✓ Branch 1 taken 394793 times.
 1178485 while (!frame->buf[0]) {
598
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 783692 times.
 783692 if (discarded_samples > avctx->max_samples)
599 ✗ return AVERROR(EAGAIN);
600 783692 ret = decode_simple_internal(avctx, frame, &discarded_samples);
601
2/2
✓ Branch 0 taken 377137 times.
✓ Branch 1 taken 406555 times.
 783692 if (ret < 0)
602 377137 return ret;
603 }
604
605 394793 return 0;
606 }
607
608 796150 int ff_decode_receive_frame_internal(AVCodecContext *avctx, AVFrame *frame)
609 {
610 796150 AVCodecInternal *avci = avctx->internal;
611 796150 DecodeContext *dc = decode_ctx(avci);
612 796150 const FFCodec *const codec = ffcodec(avctx->codec);
613 int ret;
614
615
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 796150 times.
 796150 av_assert0(!frame->buf[0]);
616
617
2/2
✓ Branch 0 taken 24220 times.
✓ Branch 1 taken 771930 times.
 796150 if (codec->cb_type == FF_CODEC_CB_TYPE_RECEIVE_FRAME) {
618 while (1) {
619 24222 frame->pict_type = dc->initial_pict_type;
620 24222 frame->flags |= dc->intra_only_flag;
621 24222 ret = codec->cb.receive_frame(avctx, frame);
622 24222 emms_c();
623
2/2
✓ Branch 0 taken 11880 times.
✓ Branch 1 taken 12342 times.
 24222 if (!ret) {
624
2/2
✓ Branch 0 taken 1809 times.
✓ Branch 1 taken 10071 times.
 11880 if (avctx->codec->type == AVMEDIA_TYPE_AUDIO) {
625 1809 int64_t discarded_samples = 0;
626 1809 ret = discard_samples(avctx, frame, &discarded_samples);
627 }
628
3/4
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✗ Branch 1 not taken.
✓ Branch 2 taken 2 times.
✓ Branch 3 taken 11878 times.
 11880 if (ret == AVERROR(EAGAIN) || (frame->flags & AV_FRAME_FLAG_DISCARD)) {
629 2 av_frame_unref(frame);
630 2 continue;
631 }
632 }
633 24220 break;
634 }
635 } else
636 771930 ret = decode_simple_receive_frame(avctx, frame);
637
638
2/2
✓ Branch 0 taken 3473 times.
✓ Branch 1 taken 792677 times.
 796150 if (ret == AVERROR_EOF)
639 3473 avci->draining_done = 1;
640
641 796150 return ret;
642 }
643
644 795838 static int decode_receive_frame_internal(AVCodecContext *avctx, AVFrame *frame)
645 {
646 795838 AVCodecInternal *avci = avctx->internal;
647 795838 DecodeContext *dc = decode_ctx(avci);
648 int ret, ok;
649
650
2/2
✓ Branch 0 taken 832 times.
✓ Branch 1 taken 795006 times.
 795838 if (avctx->active_thread_type & FF_THREAD_FRAME)
651 832 ret = ff_thread_receive_frame(avctx, frame);
652 else
653 795006 ret = ff_decode_receive_frame_internal(avctx, frame);
654
655 /* preserve ret */
656 795838 ok = detect_colorspace(avctx, frame);
657
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 795838 times.
 795838 if (ok < 0) {
658 ✗ av_frame_unref(frame);
659 ✗ return ok;
660 }
661
662
2/2
✓ Branch 0 taken 406670 times.
✓ Branch 1 taken 389168 times.
 795838 if (!ret) {
663
2/2
✓ Branch 0 taken 145866 times.
✓ Branch 1 taken 260804 times.
 406670 if (avctx->codec_type == AVMEDIA_TYPE_VIDEO) {
664
2/2
✓ Branch 0 taken 25460 times.
✓ Branch 1 taken 120406 times.
 145866 if (!frame->width)
665 25460 frame->width = avctx->width;
666
2/2
✓ Branch 0 taken 25460 times.
✓ Branch 1 taken 120406 times.
 145866 if (!frame->height)
667 25460 frame->height = avctx->height;
668 }
669
670 406670 ret = fill_frame_props(avctx, frame);
671
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 406670 times.
 406670 if (ret < 0) {
672 ✗ av_frame_unref(frame);
673 ✗ return ret;
674 }
675
676 406670 frame->best_effort_timestamp = guess_correct_pts(dc,
677 frame->pts,
678 frame->pkt_dts);
679
680 /* the only case where decode data is not set should be decoders
681 * that do not call ff_get_buffer() */
682
3/4
✓ Branch 0 taken 26175 times.
✓ Branch 1 taken 380495 times.
✗ Branch 2 not taken.
✓ Branch 3 taken 26175 times.
 406670 av_assert0(frame->private_ref ||
683 !(avctx->codec->capabilities & AV_CODEC_CAP_DR1));
684
685
2/2
✓ Branch 0 taken 380495 times.
✓ Branch 1 taken 26175 times.
 406670 if (frame->private_ref) {
686 380495 FrameDecodeData *fdd = frame->private_ref;
687
688
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 380495 times.
 380495 if (fdd->post_process) {
689 ✗ ret = fdd->post_process(avctx, frame);
690 ✗ if (ret < 0) {
691 ✗ av_frame_unref(frame);
692 ✗ return ret;
693 }
694 }
695 }
696 }
697
698 /* free the per-frame decode data */
699 795838 av_refstruct_unref(&frame->private_ref);
700
701 795838 return ret;
702 }
703
704 391927 int attribute_align_arg avcodec_send_packet(AVCodecContext *avctx, const AVPacket *avpkt)
705 {
706 391927 AVCodecInternal *avci = avctx->internal;
707 391927 DecodeContext *dc = decode_ctx(avci);
708 int ret;
709
710
2/4
✓ Branch 1 taken 391927 times.
✗ Branch 2 not taken.
✗ Branch 4 not taken.
✓ Branch 5 taken 391927 times.
 391927 if (!avcodec_is_open(avctx) || !av_codec_is_decoder(avctx->codec))
711 ✗ return AVERROR(EINVAL);
712
713
2/2
✓ Branch 0 taken 30 times.
✓ Branch 1 taken 391897 times.
 391927 if (dc->draining_started)
714 30 return AVERROR_EOF;
715
716
5/6
✓ Branch 0 taken 388579 times.
✓ Branch 1 taken 3318 times.
✓ Branch 2 taken 97 times.
✓ Branch 3 taken 388482 times.
✗ Branch 4 not taken.
✓ Branch 5 taken 97 times.
 391897 if (avpkt && !avpkt->size && avpkt->data)
717 ✗ return AVERROR(EINVAL);
718
719
5/6
✓ Branch 0 taken 388579 times.
✓ Branch 1 taken 3318 times.
✓ Branch 2 taken 97 times.
✓ Branch 3 taken 388482 times.
✗ Branch 4 not taken.
✓ Branch 5 taken 97 times.
 391897 if (avpkt && (avpkt->data || avpkt->side_data_elems)) {
720
2/4
✓ Branch 0 taken 388482 times.
✗ Branch 1 not taken.
✗ Branch 2 not taken.
✓ Branch 3 taken 388482 times.
 388482 if (!AVPACKET_IS_EMPTY(avci->buffer_pkt))
721 ✗ return AVERROR(EAGAIN);
722 388482 ret = av_packet_ref(avci->buffer_pkt, avpkt);
723
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 388482 times.
 388482 if (ret < 0)
724 ✗ return ret;
725 } else
726 3415 dc->draining_started = 1;
727
728
3/4
✓ Branch 0 taken 391897 times.
✗ Branch 1 not taken.
✓ Branch 2 taken 388482 times.
✓ Branch 3 taken 3415 times.
 391897 if (!avci->buffer_frame->buf[0] && !dc->draining_started) {
729 388482 ret = decode_receive_frame_internal(avctx, avci->buffer_frame);
730
5/6
✓ Branch 0 taken 11676 times.
✓ Branch 1 taken 376806 times.
✓ Branch 2 taken 656 times.
✓ Branch 3 taken 11020 times.
✓ Branch 4 taken 656 times.
✗ Branch 5 not taken.
 388482 if (ret < 0 && ret != AVERROR(EAGAIN) && ret != AVERROR_EOF)
731 656 return ret;
732 }
733
734 391241 return 0;
735 }
736
737 145866 static int apply_cropping(AVCodecContext *avctx, AVFrame *frame)
738 {
739 /* make sure we are noisy about decoders returning invalid cropping data */
740
1/2
✓ Branch 0 taken 145866 times.
✗ Branch 1 not taken.
 145866 if (frame->crop_left >= INT_MAX - frame->crop_right ||
741
1/2
✓ Branch 0 taken 145866 times.
✗ Branch 1 not taken.
 145866 frame->crop_top >= INT_MAX - frame->crop_bottom ||
742
1/2
✓ Branch 0 taken 145866 times.
✗ Branch 1 not taken.
 145866 (frame->crop_left + frame->crop_right) >= frame->width ||
743
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 145866 times.
 145866 (frame->crop_top + frame->crop_bottom) >= frame->height) {
744 ✗ av_log(avctx, AV_LOG_WARNING,
745 "Invalid cropping information set by a decoder: "
746 "%"SIZE_SPECIFIER"/%"SIZE_SPECIFIER"/%"SIZE_SPECIFIER"/%"SIZE_SPECIFIER" "
747 "(frame size %dx%d). This is a bug, please report it\n",
748 frame->crop_left, frame->crop_right, frame->crop_top, frame->crop_bottom,
749 frame->width, frame->height);
750 ✗ frame->crop_left = 0;
751 ✗ frame->crop_right = 0;
752 ✗ frame->crop_top = 0;
753 ✗ frame->crop_bottom = 0;
754 ✗ return 0;
755 }
756
757
2/2
✓ Branch 0 taken 138562 times.
✓ Branch 1 taken 7304 times.
 145866 if (!avctx->apply_cropping)
758 138562 return 0;
759
760 7304 return av_frame_apply_cropping(frame, avctx->flags & AV_CODEC_FLAG_UNALIGNED ?
761 AV_FRAME_CROP_UNALIGNED : 0);
762 }
763
764 // make sure frames returned to the caller are valid
765 406670 static int frame_validate(AVCodecContext *avctx, AVFrame *frame)
766 {
767
2/4
✓ Branch 0 taken 406670 times.
✗ Branch 1 not taken.
✗ Branch 2 not taken.
✓ Branch 3 taken 406670 times.
 406670 if (!frame->buf[0] || frame->format < 0)
768 ✗ goto fail;
769
770
2/3
✓ Branch 0 taken 145866 times.
✓ Branch 1 taken 260804 times.
✗ Branch 2 not taken.
 406670 switch (avctx->codec_type) {
771 145866 case AVMEDIA_TYPE_VIDEO:
772
2/4
✓ Branch 0 taken 145866 times.
✗ Branch 1 not taken.
✗ Branch 2 not taken.
✓ Branch 3 taken 145866 times.
 145866 if (frame->width <= 0 || frame->height <= 0)
773 ✗ goto fail;
774 145866 break;
775 260804 case AVMEDIA_TYPE_AUDIO:
776
1/2
✓ Branch 1 taken 260804 times.
✗ Branch 2 not taken.
 260804 if (!av_channel_layout_check(&frame->ch_layout) ||
777
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 260804 times.
 260804 frame->sample_rate <= 0)
778 ✗ goto fail;
779
780 260804 break;
781 ✗ default: av_assert0(0);
782 }
783
784 406670 return 0;
785 ✗ fail:
786 ✗ av_log(avctx, AV_LOG_ERROR, "An invalid frame was output by a decoder. "
787 "This is a bug, please report it.\n");
788 ✗ return AVERROR_BUG;
789 }
790
791 784162 int ff_decode_receive_frame(AVCodecContext *avctx, AVFrame *frame)
792 {
793 784162 AVCodecInternal *avci = avctx->internal;
794 int ret;
795
796
2/2
✓ Branch 0 taken 376806 times.
✓ Branch 1 taken 407356 times.
 784162 if (avci->buffer_frame->buf[0]) {
797 376806 av_frame_move_ref(frame, avci->buffer_frame);
798 } else {
799 407356 ret = decode_receive_frame_internal(avctx, frame);
800
2/2
✓ Branch 0 taken 377492 times.
✓ Branch 1 taken 29864 times.
 407356 if (ret < 0)
801 377492 return ret;
802 }
803
804 406670 ret = frame_validate(avctx, frame);
805
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 406670 times.
 406670 if (ret < 0)
806 ✗ goto fail;
807
808
2/2
✓ Branch 0 taken 145866 times.
✓ Branch 1 taken 260804 times.
 406670 if (avctx->codec_type == AVMEDIA_TYPE_VIDEO) {
809 145866 ret = apply_cropping(avctx, frame);
810
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 145866 times.
 145866 if (ret < 0)
811 ✗ goto fail;
812 }
813
814 406670 avctx->frame_num++;
815
816 406670 return 0;
817 ✗ fail:
818 ✗ av_frame_unref(frame);
819 ✗ return ret;
820 }
821
822 1709 static void get_subtitle_defaults(AVSubtitle *sub)
823 {
824 1709 memset(sub, 0, sizeof(*sub));
825 1709 sub->pts = AV_NOPTS_VALUE;
826 1709 }
827
828 #define UTF8_MAX_BYTES 4 /* 5 and 6 bytes sequences should not be used */
829 1675 static int recode_subtitle(AVCodecContext *avctx, const AVPacket **outpkt,
830 const AVPacket *inpkt, AVPacket *buf_pkt)
831 {
832 #if CONFIG_ICONV
833 1675 iconv_t cd = (iconv_t)-1;
834 1675 int ret = 0;
835 char *inb, *outb;
836 size_t inl, outl;
837 #endif
838
839
3/4
✓ Branch 0 taken 93 times.
✓ Branch 1 taken 1582 times.
✗ Branch 2 not taken.
✓ Branch 3 taken 93 times.
 1675 if (avctx->sub_charenc_mode != FF_SUB_CHARENC_MODE_PRE_DECODER || inpkt->size == 0) {
840 1582 *outpkt = inpkt;
841 1582 return 0;
842 }
843
844 #if CONFIG_ICONV
845 93 inb = inpkt->data;
846 93 inl = inpkt->size;
847
848
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 93 times.
 93 if (inl >= INT_MAX / UTF8_MAX_BYTES - AV_INPUT_BUFFER_PADDING_SIZE) {
849 ✗ av_log(avctx, AV_LOG_ERROR, "Subtitles packet is too big for recoding\n");
850 ✗ return AVERROR(ERANGE);
851 }
852
853 93 cd = iconv_open("UTF-8", avctx->sub_charenc);
854
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 93 times.
 93 av_assert0(cd != (iconv_t)-1);
855
856 93 ret = av_new_packet(buf_pkt, inl * UTF8_MAX_BYTES);
857
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 93 times.
 93 if (ret < 0)
858 ✗ goto end;
859 93 ret = av_packet_copy_props(buf_pkt, inpkt);
860
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 93 times.
 93 if (ret < 0)
861 ✗ goto end;
862 93 outb = buf_pkt->data;
863 93 outl = buf_pkt->size;
864
865
2/4
✓ Branch 1 taken 93 times.
✗ Branch 2 not taken.
✓ Branch 3 taken 93 times.
✗ Branch 4 not taken.
 186 if (iconv(cd, &inb, &inl, &outb, &outl) == (size_t)-1 ||
866 93 iconv(cd, NULL, NULL, &outb, &outl) == (size_t)-1 ||
867
2/4
✓ Branch 0 taken 93 times.
✗ Branch 1 not taken.
✗ Branch 2 not taken.
✓ Branch 3 taken 93 times.
 93 outl >= buf_pkt->size || inl != 0) {
868 ✗ ret = FFMIN(AVERROR(errno), -1);
869 ✗ av_log(avctx, AV_LOG_ERROR, "Unable to recode subtitle event \"%s\" "
870 ✗ "from %s to UTF-8\n", inpkt->data, avctx->sub_charenc);
871 ✗ goto end;
872 }
873 93 buf_pkt->size -= outl;
874 93 memset(buf_pkt->data + buf_pkt->size, 0, outl);
875 93 *outpkt = buf_pkt;
876
877 93 ret = 0;
878 93 end:
879
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 93 times.
 93 if (ret < 0)
880 ✗ av_packet_unref(buf_pkt);
881
1/2
✓ Branch 0 taken 93 times.
✗ Branch 1 not taken.
 93 if (cd != (iconv_t)-1)
882 93 iconv_close(cd);
883 93 return ret;
884 #else
885 av_log(avctx, AV_LOG_ERROR, "requesting subtitles recoding without iconv");
886 return AVERROR(EINVAL);
887 #endif
888 }
889
890 700 static int utf8_check(const uint8_t *str)
891 {
892 const uint8_t *byte;
893 uint32_t codepoint, min;
894
895
2/2
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 61770 while (*str) {
896 61070 byte = str;
897
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 63868 GET_UTF8(codepoint, *(byte++), return 0;);
898
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 61777 min = byte - str == 1 ? 0 : byte - str == 2 ? 0x80 :
899 707 1 << (5 * (byte - str) - 4);
900
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 61070 if (codepoint < min || codepoint >= 0x110000 ||
901
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 61070 codepoint == 0xFFFE /* BOM */ ||
902 ✗ codepoint >= 0xD800 && codepoint <= 0xDFFF /* surrogates */)
903 ✗ return 0;
904 61070 str = byte;
905 }
906 700 return 1;
907 }
908
909 1709 int avcodec_decode_subtitle2(AVCodecContext *avctx, AVSubtitle *sub,
910 int *got_sub_ptr, const AVPacket *avpkt)
911 {
912 1709 int ret = 0;
913
914
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 1709 if (!avpkt->data && avpkt->size) {
915 ✗ av_log(avctx, AV_LOG_ERROR, "invalid packet: NULL data, size != 0\n");
916 ✗ return AVERROR(EINVAL);
917 }
918
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 1709 if (!avctx->codec)
919 ✗ return AVERROR(EINVAL);
920
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 1709 if (ffcodec(avctx->codec)->cb_type != FF_CODEC_CB_TYPE_DECODE_SUB) {
921 ✗ av_log(avctx, AV_LOG_ERROR, "Codec not subtitle decoder\n");
922 ✗ return AVERROR(EINVAL);
923 }
924
925 1709 *got_sub_ptr = 0;
926 1709 get_subtitle_defaults(sub);
927
928
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 1709 if ((avctx->codec->capabilities & AV_CODEC_CAP_DELAY) || avpkt->size) {
929 1675 AVCodecInternal *avci = avctx->internal;
930 const AVPacket *pkt;
931
932 1675 ret = recode_subtitle(avctx, &pkt, avpkt, avci->buffer_pkt);
933
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 1675 if (ret < 0)
934 79 return ret;
935
936
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 1675 if (avctx->pkt_timebase.num && avpkt->pts != AV_NOPTS_VALUE)
937 1665 sub->pts = av_rescale_q(avpkt->pts,
938 1665 avctx->pkt_timebase, AV_TIME_BASE_Q);
939 1675 ret = ffcodec(avctx->codec)->cb.decode_sub(avctx, sub, got_sub_ptr, pkt);
940
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 1675 if (pkt == avci->buffer_pkt) // did we recode?
941 93 av_packet_unref(avci->buffer_pkt);
942
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 1675 if (ret < 0) {
943 79 *got_sub_ptr = 0;
944 79 avsubtitle_free(sub);
945 79 return ret;
946 }
947 av_assert1(!sub->num_rects || *got_sub_ptr);
948
949
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 1596 if (sub->num_rects && !sub->end_display_time && avpkt->duration &&
950
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 528 avctx->pkt_timebase.num) {
951 528 AVRational ms = { 1, 1000 };
952 528 sub->end_display_time = av_rescale_q(avpkt->duration,
953 avctx->pkt_timebase, ms);
954 }
955
956
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 1596 if (avctx->codec_descriptor->props & AV_CODEC_PROP_BITMAP_SUB)
957 156 sub->format = 0;
958
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 1440 else if (avctx->codec_descriptor->props & AV_CODEC_PROP_TEXT_SUB)
959 1440 sub->format = 1;
960
961
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 2455 for (unsigned i = 0; i < sub->num_rects; i++) {
962
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 859 if (avctx->sub_charenc_mode != FF_SUB_CHARENC_MODE_IGNORE &&
963
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 859 sub->rects[i]->ass && !utf8_check(sub->rects[i]->ass)) {
964 ✗ av_log(avctx, AV_LOG_ERROR,
965 "Invalid UTF-8 in decoded subtitles text; "
966 "maybe missing -sub_charenc option\n");
967 ✗ avsubtitle_free(sub);
968 ✗ *got_sub_ptr = 0;
969 ✗ return AVERROR_INVALIDDATA;
970 }
971 }
972
973
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 1596 if (*got_sub_ptr)
974 835 avctx->frame_num++;
975 }
976
977 1630 return ret;
978 }
979
980 1578 enum AVPixelFormat avcodec_default_get_format(struct AVCodecContext *avctx,
981 const enum AVPixelFormat *fmt)
982 {
983 const AVPixFmtDescriptor *desc;
984 const AVCodecHWConfig *config;
985 int i, n;
986
987 // If a device was supplied when the codec was opened, assume that the
988 // user wants to use it.
989
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 1578 if (avctx->hw_device_ctx && ffcodec(avctx->codec)->hw_configs) {
990 ✗ AVHWDeviceContext *device_ctx =
991 ✗ (AVHWDeviceContext*)avctx->hw_device_ctx->data;
992 ✗ for (i = 0;; i++) {
993 ✗ config = &ffcodec(avctx->codec)->hw_configs[i]->public;
994 ✗ if (!config)
995 ✗ break;
996 ✗ if (!(config->methods &
997 AV_CODEC_HW_CONFIG_METHOD_HW_DEVICE_CTX))
998 ✗ continue;
999 ✗ if (device_ctx->type != config->device_type)
1000 ✗ continue;
1001 ✗ for (n = 0; fmt[n] != AV_PIX_FMT_NONE; n++) {
1002 ✗ if (config->pix_fmt == fmt[n])
1003 ✗ return fmt[n];
1004 }
1005 }
1006 }
1007 // No device or other setup, so we have to choose from things which
1008 // don't any other external information.
1009
1010 // If the last element of the list is a software format, choose it
1011 // (this should be best software format if any exist).
1012
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 5629 for (n = 0; fmt[n] != AV_PIX_FMT_NONE; n++);
1013 1578 desc = av_pix_fmt_desc_get(fmt[n - 1]);
1014
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 1578 if (!(desc->flags & AV_PIX_FMT_FLAG_HWACCEL))
1015 1578 return fmt[n - 1];
1016
1017 // Finally, traverse the list in order and choose the first entry
1018 // with no external dependencies (if there is no hardware configuration
1019 // information available then this just picks the first entry).
1020 ✗ for (n = 0; fmt[n] != AV_PIX_FMT_NONE; n++) {
1021 ✗ for (i = 0;; i++) {
1022 ✗ config = avcodec_get_hw_config(avctx->codec, i);
1023 ✗ if (!config)
1024 ✗ break;
1025 ✗ if (config->pix_fmt == fmt[n])
1026 ✗ break;
1027 }
1028 ✗ if (!config) {
1029 // No specific config available, so the decoder must be able
1030 // to handle this format without any additional setup.
1031 ✗ return fmt[n];
1032 }
1033 ✗ if (config->methods & AV_CODEC_HW_CONFIG_METHOD_INTERNAL) {
1034 // Usable with only internal setup.
1035 ✗ return fmt[n];
1036 }
1037 }
1038
1039 // Nothing is usable, give up.
1040 ✗ return AV_PIX_FMT_NONE;
1041 }
1042
1043 ✗ int ff_decode_get_hw_frames_ctx(AVCodecContext *avctx,
1044 enum AVHWDeviceType dev_type)
1045 {
1046 AVHWDeviceContext *device_ctx;
1047 AVHWFramesContext *frames_ctx;
1048 int ret;
1049
1050 ✗ if (!avctx->hwaccel)
1051 ✗ return AVERROR(ENOSYS);
1052
1053 ✗ if (avctx->hw_frames_ctx)
1054 ✗ return 0;
1055 ✗ if (!avctx->hw_device_ctx) {
1056 ✗ av_log(avctx, AV_LOG_ERROR, "A hardware frames or device context is "
1057 "required for hardware accelerated decoding.\n");
1058 ✗ return AVERROR(EINVAL);
1059 }
1060
1061 ✗ device_ctx = (AVHWDeviceContext *)avctx->hw_device_ctx->data;
1062 ✗ if (device_ctx->type != dev_type) {
1063 ✗ av_log(avctx, AV_LOG_ERROR, "Device type %s expected for hardware "
1064 "decoding, but got %s.\n", av_hwdevice_get_type_name(dev_type),
1065 av_hwdevice_get_type_name(device_ctx->type));
1066 ✗ return AVERROR(EINVAL);
1067 }
1068
1069 ✗ ret = avcodec_get_hw_frames_parameters(avctx,
1070 avctx->hw_device_ctx,
1071 ✗ avctx->hwaccel->pix_fmt,
1072 &avctx->hw_frames_ctx);
1073 ✗ if (ret < 0)
1074 ✗ return ret;
1075
1076 ✗ frames_ctx = (AVHWFramesContext*)avctx->hw_frames_ctx->data;
1077
1078
1079 ✗ if (frames_ctx->initial_pool_size) {
1080 // We guarantee 4 base work surfaces. The function above guarantees 1
1081 // (the absolute minimum), so add the missing count.
1082 ✗ frames_ctx->initial_pool_size += 3;
1083 }
1084
1085 ✗ ret = av_hwframe_ctx_init(avctx->hw_frames_ctx);
1086 ✗ if (ret < 0) {
1087 ✗ av_buffer_unref(&avctx->hw_frames_ctx);
1088 ✗ return ret;
1089 }
1090
1091 ✗ return 0;
1092 }
1093
1094 ✗ int avcodec_get_hw_frames_parameters(AVCodecContext *avctx,
1095 AVBufferRef *device_ref,
1096 enum AVPixelFormat hw_pix_fmt,
1097 AVBufferRef **out_frames_ref)
1098 {
1099 ✗ AVBufferRef *frames_ref = NULL;
1100 const AVCodecHWConfigInternal *hw_config;
1101 const FFHWAccel *hwa;
1102 int i, ret;
1103 ✗ bool clean_priv_data = false;
1104
1105 ✗ for (i = 0;; i++) {
1106 ✗ hw_config = ffcodec(avctx->codec)->hw_configs[i];
1107 ✗ if (!hw_config)
1108 ✗ return AVERROR(ENOENT);
1109 ✗ if (hw_config->public.pix_fmt == hw_pix_fmt)
1110 ✗ break;
1111 }
1112
1113 ✗ hwa = hw_config->hwaccel;
1114 ✗ if (!hwa || !hwa->frame_params)
1115 ✗ return AVERROR(ENOENT);
1116
1117 ✗ frames_ref = av_hwframe_ctx_alloc(device_ref);
1118 ✗ if (!frames_ref)
1119 ✗ return AVERROR(ENOMEM);
1120
1121 ✗ if (!avctx->internal->hwaccel_priv_data) {
1122 ✗ avctx->internal->hwaccel_priv_data =
1123 ✗ av_mallocz(hwa->priv_data_size);
1124 ✗ if (!avctx->internal->hwaccel_priv_data) {
1125 ✗ av_buffer_unref(&frames_ref);
1126 ✗ return AVERROR(ENOMEM);
1127 }
1128 ✗ clean_priv_data = true;
1129 }
1130
1131 ✗ ret = hwa->frame_params(avctx, frames_ref);
1132 ✗ if (ret >= 0) {
1133 ✗ AVHWFramesContext *frames_ctx = (AVHWFramesContext*)frames_ref->data;
1134
1135 ✗ if (frames_ctx->initial_pool_size) {
1136 // If the user has requested that extra output surfaces be
1137 // available then add them here.
1138 ✗ if (avctx->extra_hw_frames > 0)
1139 ✗ frames_ctx->initial_pool_size += avctx->extra_hw_frames;
1140
1141 // If frame threading is enabled then an extra surface per thread
1142 // is also required.
1143 ✗ if (avctx->active_thread_type & FF_THREAD_FRAME)
1144 ✗ frames_ctx->initial_pool_size += avctx->thread_count;
1145 }
1146
1147 ✗ *out_frames_ref = frames_ref;
1148 } else {
1149 ✗ if (clean_priv_data)
1150 ✗ av_freep(&avctx->internal->hwaccel_priv_data);
1151 ✗ av_buffer_unref(&frames_ref);
1152 }
1153 ✗ return ret;
1154 }
1155
1156 ✗ static int hwaccel_init(AVCodecContext *avctx,
1157 const FFHWAccel *hwaccel)
1158 {
1159 int err;
1160
1161 ✗ if (hwaccel->p.capabilities & AV_HWACCEL_CODEC_CAP_EXPERIMENTAL &&
1162 ✗ avctx->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
1163 ✗ av_log(avctx, AV_LOG_WARNING, "Ignoring experimental hwaccel: %s\n",
1164 ✗ hwaccel->p.name);
1165 ✗ return AVERROR_PATCHWELCOME;
1166 }
1167
1168 ✗ if (!avctx->internal->hwaccel_priv_data && hwaccel->priv_data_size) {
1169 ✗ avctx->internal->hwaccel_priv_data =
1170 ✗ av_mallocz(hwaccel->priv_data_size);
1171 ✗ if (!avctx->internal->hwaccel_priv_data)
1172 ✗ return AVERROR(ENOMEM);
1173 }
1174
1175 ✗ avctx->hwaccel = &hwaccel->p;
1176 ✗ if (hwaccel->init) {
1177 ✗ err = hwaccel->init(avctx);
1178 ✗ if (err < 0) {
1179 ✗ av_log(avctx, AV_LOG_ERROR, "Failed setup for format %s: "
1180 "hwaccel initialisation returned error.\n",
1181 ✗ av_get_pix_fmt_name(hwaccel->p.pix_fmt));
1182 ✗ av_freep(&avctx->internal->hwaccel_priv_data);
1183 ✗ avctx->hwaccel = NULL;
1184 ✗ return err;
1185 }
1186 }
1187
1188 ✗ return 0;
1189 }
1190
1191 39277 void ff_hwaccel_uninit(AVCodecContext *avctx)
1192 {
1193
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 39277 if (FF_HW_HAS_CB(avctx, uninit))
1194 ✗ FF_HW_SIMPLE_CALL(avctx, uninit);
1195
1196 39277 av_freep(&avctx->internal->hwaccel_priv_data);
1197
1198 39277 avctx->hwaccel = NULL;
1199
1200 39277 av_buffer_unref(&avctx->hw_frames_ctx);
1201 39277 }
1202
1203 2586 int ff_get_format(AVCodecContext *avctx, const enum AVPixelFormat *fmt)
1204 {
1205 const AVPixFmtDescriptor *desc;
1206 enum AVPixelFormat *choices;
1207 enum AVPixelFormat ret, user_choice;
1208 const AVCodecHWConfigInternal *hw_config;
1209 const AVCodecHWConfig *config;
1210 int i, n, err;
1211
1212 // Find end of list.
1213
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 9361 for (n = 0; fmt[n] != AV_PIX_FMT_NONE; n++);
1214 // Must contain at least one entry.
1215
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 2586 av_assert0(n >= 1);
1216 // If a software format is available, it must be the last entry.
1217 2586 desc = av_pix_fmt_desc_get(fmt[n - 1]);
1218
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 2586 if (desc->flags & AV_PIX_FMT_FLAG_HWACCEL) {
1219 // No software format is available.
1220 } else {
1221 2586 avctx->sw_pix_fmt = fmt[n - 1];
1222 }
1223
1224 2586 choices = av_memdup(fmt, (n + 1) * sizeof(*choices));
1225
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 2586 if (!choices)
1226 ✗ return AV_PIX_FMT_NONE;
1227
1228 for (;;) {
1229 // Remove the previous hwaccel, if there was one.
1230 2586 ff_hwaccel_uninit(avctx);
1231
1232 2586 user_choice = avctx->get_format(avctx, choices);
1233
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 2586 if (user_choice == AV_PIX_FMT_NONE) {
1234 // Explicitly chose nothing, give up.
1235 ✗ ret = AV_PIX_FMT_NONE;
1236 ✗ break;
1237 }
1238
1239 2586 desc = av_pix_fmt_desc_get(user_choice);
1240
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 2586 if (!desc) {
1241 ✗ av_log(avctx, AV_LOG_ERROR, "Invalid format returned by "
1242 "get_format() callback.\n");
1243 ✗ ret = AV_PIX_FMT_NONE;
1244 ✗ break;
1245 }
1246 2586 av_log(avctx, AV_LOG_DEBUG, "Format %s chosen by get_format().\n",
1247 2586 desc->name);
1248
1249
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 6774 for (i = 0; i < n; i++) {
1250
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 6774 if (choices[i] == user_choice)
1251 2586 break;
1252 }
1253
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 2586 if (i == n) {
1254 ✗ av_log(avctx, AV_LOG_ERROR, "Invalid return from get_format(): "
1255 ✗ "%s not in possible list.\n", desc->name);
1256 ✗ ret = AV_PIX_FMT_NONE;
1257 ✗ break;
1258 }
1259
1260
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✓ Branch 2 taken 47 times.
 2586 if (ffcodec(avctx->codec)->hw_configs) {
1261 2539 for (i = 0;; i++) {
1262 6926 hw_config = ffcodec(avctx->codec)->hw_configs[i];
1263
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 6926 if (!hw_config)
1264 2539 break;
1265
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 4387 if (hw_config->public.pix_fmt == user_choice)
1266 ✗ break;
1267 }
1268 } else {
1269 47 hw_config = NULL;
1270 }
1271
1272
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 2586 if (!hw_config) {
1273 // No config available, so no extra setup required.
1274 2586 ret = user_choice;
1275 2586 break;
1276 }
1277 ✗ config = &hw_config->public;
1278
1279 ✗ if (config->methods &
1280 ✗ AV_CODEC_HW_CONFIG_METHOD_HW_FRAMES_CTX &&
1281 ✗ avctx->hw_frames_ctx) {
1282 ✗ const AVHWFramesContext *frames_ctx =
1283 ✗ (AVHWFramesContext*)avctx->hw_frames_ctx->data;
1284 ✗ if (frames_ctx->format != user_choice) {
1285 ✗ av_log(avctx, AV_LOG_ERROR, "Invalid setup for format %s: "
1286 "does not match the format of the provided frames "
1287 ✗ "context.\n", desc->name);
1288 ✗ goto try_again;
1289 }
1290 ✗ } else if (config->methods &
1291 ✗ AV_CODEC_HW_CONFIG_METHOD_HW_DEVICE_CTX &&
1292 ✗ avctx->hw_device_ctx) {
1293 ✗ const AVHWDeviceContext *device_ctx =
1294 ✗ (AVHWDeviceContext*)avctx->hw_device_ctx->data;
1295 ✗ if (device_ctx->type != config->device_type) {
1296 ✗ av_log(avctx, AV_LOG_ERROR, "Invalid setup for format %s: "
1297 "does not match the type of the provided device "
1298 ✗ "context.\n", desc->name);
1299 ✗ goto try_again;
1300 }
1301 ✗ } else if (config->methods &
1302 AV_CODEC_HW_CONFIG_METHOD_INTERNAL) {
1303 // Internal-only setup, no additional configuration.
1304 ✗ } else if (config->methods &
1305 AV_CODEC_HW_CONFIG_METHOD_AD_HOC) {
1306 // Some ad-hoc configuration we can't see and can't check.
1307 } else {
1308 ✗ av_log(avctx, AV_LOG_ERROR, "Invalid setup for format %s: "
1309 ✗ "missing configuration.\n", desc->name);
1310 ✗ goto try_again;
1311 }
1312 ✗ if (hw_config->hwaccel) {
1313 ✗ av_log(avctx, AV_LOG_DEBUG, "Format %s requires hwaccel %s "
1314 ✗ "initialisation.\n", desc->name, hw_config->hwaccel->p.name);
1315 ✗ err = hwaccel_init(avctx, hw_config->hwaccel);
1316 ✗ if (err < 0)
1317 ✗ goto try_again;
1318 }
1319 ✗ ret = user_choice;
1320 ✗ break;
1321
1322 ✗ try_again:
1323 ✗ av_log(avctx, AV_LOG_DEBUG, "Format %s not usable, retrying "
1324 ✗ "get_format() without it.\n", desc->name);
1325 ✗ for (i = 0; i < n; i++) {
1326 ✗ if (choices[i] == user_choice)
1327 ✗ break;
1328 }
1329 ✗ for (; i + 1 < n; i++)
1330 ✗ choices[i] = choices[i + 1];
1331 ✗ --n;
1332 }
1333
1334
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 2586 if (ret < 0)
1335 ✗ ff_hwaccel_uninit(avctx);
1336
1337 2586 av_freep(&choices);
1338 2586 return ret;
1339 }
1340
1341 static const AVPacketSideData*
1342 9819230 packet_side_data_get(const AVPacketSideData *sd, int nb_sd,
1343 enum AVPacketSideDataType type)
1344 {
1345
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 9951573 for (int i = 0; i < nb_sd; i++)
1346
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 134868 if (sd[i].type == type)
1347 2525 return &sd[i];
1348
1349 9816705 return NULL;
1350 }
1351
1352 494 const AVPacketSideData *ff_get_coded_side_data(const AVCodecContext *avctx,
1353 enum AVPacketSideDataType type)
1354 {
1355 494 return packet_side_data_get(avctx->coded_side_data, avctx->nb_coded_side_data, type);
1356 }
1357
1358 22 static int side_data_stereo3d_merge(AVFrameSideData *sd_frame,
1359 const AVPacketSideData *sd_pkt)
1360 {
1361 const AVStereo3D *src;
1362 AVStereo3D *dst;
1363 int ret;
1364
1365 22 ret = av_buffer_make_writable(&sd_frame->buf);
1366
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 22 if (ret < 0)
1367 ✗ return ret;
1368 22 sd_frame->data = sd_frame->buf->data;
1369
1370 22 dst = ( AVStereo3D*)sd_frame->data;
1371 22 src = (const AVStereo3D*)sd_pkt->data;
1372
1373
1/2
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 22 if (dst->type == AV_STEREO3D_UNSPEC)
1374 ✗ dst->type = src->type;
1375
1376
1/2
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 22 if (dst->view == AV_STEREO3D_VIEW_UNSPEC)
1377 ✗ dst->view = src->view;
1378
1379
1/2
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✗ Branch 1 not taken.
 22 if (dst->primary_eye == AV_PRIMARY_EYE_NONE)
1380 22 dst->primary_eye = src->primary_eye;
1381
1382
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✗ Branch 1 not taken.
 22 if (!dst->baseline)
1383 22 dst->baseline = src->baseline;
1384
1385
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 22 if (!dst->horizontal_disparity_adjustment.num)
1386 22 dst->horizontal_disparity_adjustment = src->horizontal_disparity_adjustment;
1387
1388
1/2
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✗ Branch 1 not taken.
 22 if (!dst->horizontal_field_of_view.num)
1389 22 dst->horizontal_field_of_view = src->horizontal_field_of_view;
1390
1391 22 return 0;
1392 }
1393
1394 1227342 static int side_data_map(AVFrame *dst,
1395 const AVPacketSideData *sd_src, int nb_sd_src,
1396 const SideDataMap *map)
1397
1398 {
1399
2/2
✓ Branch 0 taken 9818736 times.
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 11046078 for (int i = 0; map[i].packet < AV_PKT_DATA_NB; i++) {
1400 9818736 const enum AVPacketSideDataType type_pkt = map[i].packet;
1401 9818736 const enum AVFrameSideDataType type_frame = map[i].frame;
1402 const AVPacketSideData *sd_pkt;
1403 AVFrameSideData *sd_frame;
1404
1405 9818736 sd_pkt = packet_side_data_get(sd_src, nb_sd_src, type_pkt);
1406
2/2
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✓ Branch 1 taken 2514 times.
 9818736 if (!sd_pkt)
1407 9816222 continue;
1408
1409 2514 sd_frame = av_frame_get_side_data(dst, type_frame);
1410
2/2
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 2514 if (sd_frame) {
1411
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✗ Branch 1 not taken.
 22 if (type_frame == AV_FRAME_DATA_STEREO3D) {
1412 22 int ret = side_data_stereo3d_merge(sd_frame, sd_pkt);
1413
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 22 if (ret < 0)
1414 ✗ return ret;
1415 }
1416
1417 22 continue;
1418 }
1419
1420 2492 sd_frame = av_frame_new_side_data(dst, type_frame, sd_pkt->size);
1421
1/2
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✓ Branch 1 taken 2492 times.
 2492 if (!sd_frame)
1422 ✗ return AVERROR(ENOMEM);
1423
1424 2492 memcpy(sd_frame->data, sd_pkt->data, sd_pkt->size);
1425 }
1426
1427 1227342 return 0;
1428 }
1429
1430 409114 static int add_metadata_from_side_data(const AVPacket *avpkt, AVFrame *frame)
1431 {
1432 size_t size;
1433 const uint8_t *side_metadata;
1434
1435 409114 AVDictionary **frame_md = &frame->metadata;
1436
1437 409114 side_metadata = av_packet_get_side_data(avpkt,
1438 AV_PKT_DATA_STRINGS_METADATA, &size);
1439 409114 return av_packet_unpack_dictionary(side_metadata, size, frame_md);
1440 }
1441
1442 409114 int ff_decode_frame_props_from_pkt(const AVCodecContext *avctx,
1443 AVFrame *frame, const AVPacket *pkt)
1444 {
1445 static const SideDataMap sd[] = {
1446 { AV_PKT_DATA_A53_CC, AV_FRAME_DATA_A53_CC },
1447 { AV_PKT_DATA_AFD, AV_FRAME_DATA_AFD },
1448 { AV_PKT_DATA_DYNAMIC_HDR10_PLUS, AV_FRAME_DATA_DYNAMIC_HDR_PLUS },
1449 { AV_PKT_DATA_S12M_TIMECODE, AV_FRAME_DATA_S12M_TIMECODE },
1450 { AV_PKT_DATA_SKIP_SAMPLES, AV_FRAME_DATA_SKIP_SAMPLES },
1451 { AV_PKT_DATA_LCEVC, AV_FRAME_DATA_LCEVC },
1452 { AV_PKT_DATA_NB }
1453 };
1454
1455 409114 int ret = 0;
1456
1457 409114 frame->pts = pkt->pts;
1458 409114 frame->duration = pkt->duration;
1459
1460 409114 ret = side_data_map(frame, pkt->side_data, pkt->side_data_elems, ff_sd_global_map);
1461
1/2
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✓ Branch 1 taken 409114 times.
 409114 if (ret < 0)
1462 ✗ return ret;
1463
1464 409114 ret = side_data_map(frame, pkt->side_data, pkt->side_data_elems, sd);
1465
1/2
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 409114 if (ret < 0)
1466 ✗ return ret;
1467
1468 409114 add_metadata_from_side_data(pkt, frame);
1469
1470
2/2
✓ Branch 0 taken 209 times.
✓ Branch 1 taken 408905 times.
 409114 if (pkt->flags & AV_PKT_FLAG_DISCARD) {
1471 209 frame->flags |= AV_FRAME_FLAG_DISCARD;
1472 }
1473
1474
2/2
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✓ Branch 1 taken 11540 times.
 409114 if (avctx->flags & AV_CODEC_FLAG_COPY_OPAQUE) {
1475 397574 int ret = av_buffer_replace(&frame->opaque_ref, pkt->opaque_ref);
1476
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 397574 if (ret < 0)
1477 ✗ return ret;
1478 397574 frame->opaque = pkt->opaque;
1479 }
1480
1481 409114 return 0;
1482 }
1483
1484 409114 int ff_decode_frame_props(AVCodecContext *avctx, AVFrame *frame)
1485 {
1486 int ret;
1487
1488 409114 ret = side_data_map(frame, avctx->coded_side_data, avctx->nb_coded_side_data,
1489 ff_sd_global_map);
1490
1/2
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 409114 if (ret < 0)
1491 ✗ return ret;
1492
1493
2/2
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 409186 for (int i = 0; i < avctx->nb_decoded_side_data; i++) {
1494 72 const AVFrameSideData *src = avctx->decoded_side_data[i];
1495
2/2
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✓ Branch 2 taken 52 times.
 72 if (av_frame_get_side_data(frame, src->type))
1496 20 continue;
1497 52 ret = av_frame_side_data_clone(&frame->side_data, &frame->nb_side_data, src, 0);
1498
1/2
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 52 if (ret < 0)
1499 ✗ return ret;
1500 }
1501
1502
1/2
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✗ Branch 2 not taken.
 409114 if (!(ffcodec(avctx->codec)->caps_internal & FF_CODEC_CAP_SETS_FRAME_PROPS)) {
1503 409114 const AVPacket *pkt = avctx->internal->last_pkt_props;
1504
1505 409114 ret = ff_decode_frame_props_from_pkt(avctx, frame, pkt);
1506
1/2
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✓ Branch 1 taken 409114 times.
 409114 if (ret < 0)
1507 ✗ return ret;
1508 }
1509
1510 409114 ret = fill_frame_props(avctx, frame);
1511
1/2
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✓ Branch 1 taken 409114 times.
 409114 if (ret < 0)
1512 ✗ return ret;
1513
1514
2/2
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✓ Branch 1 taken 261041 times.
 409114 switch (avctx->codec->type) {
1515 148073 case AVMEDIA_TYPE_VIDEO:
1516
4/6
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✓ Branch 2 taken 122613 times.
✗ Branch 3 not taken.
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✓ Branch 5 taken 122613 times.
 270686 if (frame->width && frame->height &&
1517 122613 av_image_check_sar(frame->width, frame->height,
1518 frame->sample_aspect_ratio) < 0) {
1519 ✗ av_log(avctx, AV_LOG_WARNING, "ignoring invalid SAR: %u/%u\n",
1520 frame->sample_aspect_ratio.num,
1521 frame->sample_aspect_ratio.den);
1522 ✗ frame->sample_aspect_ratio = (AVRational){ 0, 1 };
1523 }
1524 148073 break;
1525 }
1526 409114 return 0;
1527 }
1528
1529 382075 static void validate_avframe_allocation(AVCodecContext *avctx, AVFrame *frame)
1530 {
1531
2/2
✓ Branch 0 taken 121034 times.
✓ Branch 1 taken 261041 times.
 382075 if (avctx->codec_type == AVMEDIA_TYPE_VIDEO) {
1532 int i;
1533 121034 int num_planes = av_pix_fmt_count_planes(frame->format);
1534 121034 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(frame->format);
1535
1/2
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✗ Branch 1 not taken.
 121034 int flags = desc ? desc->flags : 0;
1536
4/4
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✓ Branch 1 taken 107434 times.
✓ Branch 2 taken 4141 times.
✓ Branch 3 taken 9459 times.
 121034 if (num_planes == 1 && (flags & AV_PIX_FMT_FLAG_PAL))
1537 4141 num_planes = 2;
1538
2/2
✓ Branch 0 taken 340833 times.
✓ Branch 1 taken 121034 times.
 461867 for (i = 0; i < num_planes; i++) {
1539
1/2
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✓ Branch 1 taken 340833 times.
 340833 av_assert0(frame->data[i]);
1540 }
1541 // For formats without data like hwaccel allow unused pointers to be non-NULL.
1542
3/4
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✓ Branch 2 taken 627439 times.
✓ Branch 3 taken 121034 times.
 748473 for (i = num_planes; num_planes > 0 && i < FF_ARRAY_ELEMS(frame->data); i++) {
1543
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 627439 times.
 627439 if (frame->data[i])
1544 ✗ av_log(avctx, AV_LOG_ERROR, "Buffer returned by get_buffer2() did not zero unused plane pointers\n");
1545 627439 frame->data[i] = NULL;
1546 }
1547 }
1548 382075 }
1549
1550 382075 static void decode_data_free(AVRefStructOpaque unused, void *obj)
1551 {
1552 382075 FrameDecodeData *fdd = obj;
1553
1554
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 382075 times.
 382075 if (fdd->post_process_opaque_free)
1555 ✗ fdd->post_process_opaque_free(fdd->post_process_opaque);
1556
1557
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 382075 times.
 382075 if (fdd->hwaccel_priv_free)
1558 ✗ fdd->hwaccel_priv_free(fdd->hwaccel_priv);
1559 382075 }
1560
1561 382075 int ff_attach_decode_data(AVFrame *frame)
1562 {
1563 FrameDecodeData *fdd;
1564
1565 av_assert1(!frame->private_ref);
1566 382075 av_refstruct_unref(&frame->private_ref);
1567
1568 382075 fdd = av_refstruct_alloc_ext(sizeof(*fdd), 0, NULL, decode_data_free);
1569
1/2
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✓ Branch 1 taken 382075 times.
 382075 if (!fdd)
1570 ✗ return AVERROR(ENOMEM);
1571
1572 382075 frame->private_ref = fdd;
1573
1574 382075 return 0;
1575 }
1576
1577 382075 static void update_frame_props(AVCodecContext *avctx, AVFrame *frame)
1578 {
1579 382075 AVCodecInternal *avci = avctx->internal;
1580 382075 DecodeContext *dc = decode_ctx(avci);
1581
1582
1/6
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 382075 dc->lcevc_frame = dc->lcevc && avctx->codec_type == AVMEDIA_TYPE_VIDEO &&
1583 ✗ av_frame_get_side_data(frame, AV_FRAME_DATA_LCEVC);
1584
1585
1/2
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✓ Branch 1 taken 382075 times.
 382075 if (dc->lcevc_frame) {
1586 ✗ dc->width = frame->width;
1587 ✗ dc->height = frame->height;
1588 ✗ frame->width = frame->width * 2 / FFMAX(frame->sample_aspect_ratio.den, 1);
1589 ✗ frame->height = frame->height * 2 / FFMAX(frame->sample_aspect_ratio.num, 1);
1590 }
1591 382075 }
1592
1593 382075 static void attach_post_process_data(AVCodecContext *avctx, AVFrame *frame)
1594 {
1595 382075 AVCodecInternal *avci = avctx->internal;
1596 382075 DecodeContext *dc = decode_ctx(avci);
1597
1598
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 382075 times.
 382075 if (dc->lcevc_frame) {
1599 ✗ FrameDecodeData *fdd = frame->private_ref;
1600
1601 ✗ fdd->post_process_opaque = av_refstruct_ref(dc->lcevc);
1602 ✗ fdd->post_process_opaque_free = ff_lcevc_unref;
1603 ✗ fdd->post_process = ff_lcevc_process;
1604
1605 ✗ frame->width = dc->width;
1606 ✗ frame->height = dc->height;
1607 }
1608 382075 dc->lcevc_frame = 0;
1609 382075 }
1610
1611 382075 int ff_get_buffer(AVCodecContext *avctx, AVFrame *frame, int flags)
1612 {
1613 382075 const FFHWAccel *hwaccel = ffhwaccel(avctx->hwaccel);
1614 382075 int override_dimensions = 1;
1615 int ret;
1616
1617
1/2
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✓ Branch 2 taken 382075 times.
 382075 av_assert0(ff_codec_is_decoder(avctx->codec));
1618
1619
2/2
✓ Branch 0 taken 121034 times.
✓ Branch 1 taken 261041 times.
 382075 if (avctx->codec_type == AVMEDIA_TYPE_VIDEO) {
1620
2/4
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✗ Branch 3 not taken.
 242068 if ((unsigned)avctx->width > INT_MAX - STRIDE_ALIGN ||
1621
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 121034 times.
 242068 (ret = av_image_check_size2(FFALIGN(avctx->width, STRIDE_ALIGN), avctx->height, avctx->max_pixels, AV_PIX_FMT_NONE, 0, avctx)) < 0 || avctx->pix_fmt<0) {
1622 ✗ av_log(avctx, AV_LOG_ERROR, "video_get_buffer: image parameters invalid\n");
1623 ✗ ret = AVERROR(EINVAL);
1624 ✗ goto fail;
1625 }
1626
1627
3/4
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✓ Branch 1 taken 120303 times.
✗ Branch 2 not taken.
✓ Branch 3 taken 731 times.
 121034 if (frame->width <= 0 || frame->height <= 0) {
1628 120303 frame->width = FFMAX(avctx->width, AV_CEIL_RSHIFT(avctx->coded_width, avctx->lowres));
1629 120303 frame->height = FFMAX(avctx->height, AV_CEIL_RSHIFT(avctx->coded_height, avctx->lowres));
1630 120303 override_dimensions = 0;
1631 }
1632
1633
4/8
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✓ Branch 7 taken 121034 times.
 121034 if (frame->data[0] || frame->data[1] || frame->data[2] || frame->data[3]) {
1634 ✗ av_log(avctx, AV_LOG_ERROR, "pic->data[*]!=NULL in get_buffer_internal\n");
1635 ✗ ret = AVERROR(EINVAL);
1636 ✗ goto fail;
1637 }
1638
1/2
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✗ Branch 1 not taken.
 261041 } else if (avctx->codec_type == AVMEDIA_TYPE_AUDIO) {
1639
1/2
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✓ Branch 1 taken 261041 times.
 261041 if (frame->nb_samples * (int64_t)avctx->ch_layout.nb_channels > avctx->max_samples) {
1640 ✗ av_log(avctx, AV_LOG_ERROR, "samples per frame %d, exceeds max_samples %"PRId64"\n", frame->nb_samples, avctx->max_samples);
1641 ✗ ret = AVERROR(EINVAL);
1642 ✗ goto fail;
1643 }
1644 }
1645 382075 ret = ff_decode_frame_props(avctx, frame);
1646
1/2
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✓ Branch 1 taken 382075 times.
 382075 if (ret < 0)
1647 ✗ goto fail;
1648
1649
1/2
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✓ Branch 1 taken 382075 times.
 382075 if (hwaccel) {
1650 ✗ if (hwaccel->alloc_frame) {
1651 ✗ ret = hwaccel->alloc_frame(avctx, frame);
1652 ✗ goto end;
1653 }
1654 } else {
1655 382075 avctx->sw_pix_fmt = avctx->pix_fmt;
1656 382075 update_frame_props(avctx, frame);
1657 }
1658
1659 382075 ret = avctx->get_buffer2(avctx, frame, flags);
1660
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 382075 times.
 382075 if (ret < 0)
1661 ✗ goto fail;
1662
1663 382075 validate_avframe_allocation(avctx, frame);
1664
1665 382075 ret = ff_attach_decode_data(frame);
1666
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 382075 times.
 382075 if (ret < 0)
1667 ✗ goto fail;
1668
1669 382075 attach_post_process_data(avctx, frame);
1670
1671 382075 end:
1672
4/4
✓ Branch 0 taken 261041 times.
✓ Branch 1 taken 121034 times.
✓ Branch 2 taken 731 times.
✓ Branch 3 taken 120303 times.
 382075 if (avctx->codec_type == AVMEDIA_TYPE_VIDEO && !override_dimensions &&
1673
2/2
✓ Branch 1 taken 37017 times.
✓ Branch 2 taken 83286 times.
 120303 !(ffcodec(avctx->codec)->caps_internal & FF_CODEC_CAP_EXPORTS_CROPPING)) {
1674 83286 frame->width = avctx->width;
1675 83286 frame->height = avctx->height;
1676 }
1677
1678 298789 fail:
1679
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 382075 times.
 382075 if (ret < 0) {
1680 ✗ av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
1681 ✗ av_frame_unref(frame);
1682 }
1683
1684 382075 return ret;
1685 }
1686
1687 7759 static int reget_buffer_internal(AVCodecContext *avctx, AVFrame *frame, int flags)
1688 {
1689 AVFrame *tmp;
1690 int ret;
1691
1692
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 7759 times.
 7759 av_assert0(avctx->codec_type == AVMEDIA_TYPE_VIDEO);
1693
1694 // make sure the discard flag does not persist
1695 7759 frame->flags &= ~AV_FRAME_FLAG_DISCARD;
1696
1697
5/8
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✓ Branch 7 taken 7610 times.
 7759 if (frame->data[0] && (frame->width != avctx->width || frame->height != avctx->height || frame->format != avctx->pix_fmt)) {
1698 ✗ av_log(avctx, AV_LOG_WARNING, "Picture changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s in reget buffer()\n",
1699 ✗ frame->width, frame->height, av_get_pix_fmt_name(frame->format), avctx->width, avctx->height, av_get_pix_fmt_name(avctx->pix_fmt));
1700 ✗ av_frame_unref(frame);
1701 }
1702
1703
2/2
✓ Branch 0 taken 149 times.
✓ Branch 1 taken 7610 times.
 7759 if (!frame->data[0])
1704 149 return ff_get_buffer(avctx, frame, AV_GET_BUFFER_FLAG_REF);
1705
1706 7610 av_frame_side_data_free(&frame->side_data, &frame->nb_side_data);
1707
1708
4/4
✓ Branch 0 taken 7609 times.
✓ Branch 1 taken 1 times.
✓ Branch 3 taken 754 times.
✓ Branch 4 taken 6855 times.
 7610 if ((flags & FF_REGET_BUFFER_FLAG_READONLY) || av_frame_is_writable(frame))
1709 755 return ff_decode_frame_props(avctx, frame);
1710
1711 6855 tmp = av_frame_alloc();
1712
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 6855 times.
 6855 if (!tmp)
1713 ✗ return AVERROR(ENOMEM);
1714
1715 6855 av_frame_move_ref(tmp, frame);
1716
1717 6855 ret = ff_get_buffer(avctx, frame, AV_GET_BUFFER_FLAG_REF);
1718
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 6855 times.
 6855 if (ret < 0) {
1719 ✗ av_frame_free(&tmp);
1720 ✗ return ret;
1721 }
1722
1723 6855 av_frame_copy(frame, tmp);
1724 6855 av_frame_free(&tmp);
1725
1726 6855 return 0;
1727 }
1728
1729 7759 int ff_reget_buffer(AVCodecContext *avctx, AVFrame *frame, int flags)
1730 {
1731 7759 int ret = reget_buffer_internal(avctx, frame, flags);
1732
1/2
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✓ Branch 1 taken 7759 times.
 7759 if (ret < 0)
1733 ✗ av_log(avctx, AV_LOG_ERROR, "reget_buffer() failed\n");
1734 7759 return ret;
1735 }
1736
1737 typedef struct ProgressInternal {
1738 ThreadProgress progress;
1739 struct AVFrame *f;
1740 } ProgressInternal;
1741
1742 440217 static void check_progress_consistency(const ProgressFrame *f)
1743 {
1744 av_assert1(!!f->f == !!f->progress);
1745 av_assert1(!f->progress || f->progress->f == f->f);
1746 440217 }
1747
1748 16759 int ff_progress_frame_alloc(AVCodecContext *avctx, ProgressFrame *f)
1749 {
1750 16759 AVRefStructPool *pool = avctx->internal->progress_frame_pool;
1751
1752 av_assert1(!f->f && !f->progress);
1753
1754 16759 f->progress = av_refstruct_pool_get(pool);
1755
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 16759 times.
 16759 if (!f->progress)
1756 ✗ return AVERROR(ENOMEM);
1757
1758 16759 f->f = f->progress->f;
1759 16759 return 0;
1760 }
1761
1762 6428 int ff_progress_frame_get_buffer(AVCodecContext *avctx, ProgressFrame *f, int flags)
1763 {
1764 6428 int ret = ff_progress_frame_alloc(avctx, f);
1765
1/2
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✓ Branch 1 taken 6428 times.
 6428 if (ret < 0)
1766 ✗ return ret;
1767
1768 6428 ret = ff_thread_get_buffer(avctx, f->progress->f, flags);
1769
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 6428 times.
 6428 if (ret < 0) {
1770 ✗ f->f = NULL;
1771 ✗ av_refstruct_unref(&f->progress);
1772 ✗ return ret;
1773 }
1774 6428 return 0;
1775 }
1776
1777 38994 void ff_progress_frame_ref(ProgressFrame *dst, const ProgressFrame *src)
1778 {
1779 av_assert1(src->progress && src->f && src->f == src->progress->f);
1780 av_assert1(!dst->f && !dst->progress);
1781 38994 dst->f = src->f;
1782 38994 dst->progress = av_refstruct_ref(src->progress);
1783 38994 }
1784
1785 400009 void ff_progress_frame_unref(ProgressFrame *f)
1786 {
1787 400009 check_progress_consistency(f);
1788 400009 f->f = NULL;
1789 400009 av_refstruct_unref(&f->progress);
1790 400009 }
1791
1792 40208 void ff_progress_frame_replace(ProgressFrame *dst, const ProgressFrame *src)
1793 {
1794
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✓ Branch 1 taken 40208 times.
 40208 if (dst == src)
1795 ✗ return;
1796 40208 ff_progress_frame_unref(dst);
1797 40208 check_progress_consistency(src);
1798
2/2
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✓ Branch 1 taken 1281 times.
 40208 if (src->f)
1799 38927 ff_progress_frame_ref(dst, src);
1800 }
1801
1802 19589 void ff_progress_frame_report(ProgressFrame *f, int n)
1803 {
1804 19589 ff_thread_progress_report(&f->progress->progress, n);
1805 19589 }
1806
1807 2598814 void ff_progress_frame_await(const ProgressFrame *f, int n)
1808 {
1809 2598814 ff_thread_progress_await(&f->progress->progress, n);
1810 2598814 }
1811
1812 #if !HAVE_THREADS
1813 enum ThreadingStatus ff_thread_sync_ref(AVCodecContext *avctx, size_t offset)
1814 {
1815 return FF_THREAD_NO_FRAME_THREADING;
1816 }
1817 #endif /* !HAVE_THREADS */
1818
1819 2534 static av_cold int progress_frame_pool_init_cb(AVRefStructOpaque opaque, void *obj)
1820 {
1821 2534 const AVCodecContext *avctx = opaque.nc;
1822 2534 ProgressInternal *progress = obj;
1823 int ret;
1824
1825 2534 ret = ff_thread_progress_init(&progress->progress, avctx->active_thread_type & FF_THREAD_FRAME);
1826
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 2534 if (ret < 0)
1827 ✗ return ret;
1828
1829 2534 progress->f = av_frame_alloc();
1830
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✓ Branch 1 taken 2534 times.
 2534 if (!progress->f)
1831 ✗ return AVERROR(ENOMEM);
1832
1833 2534 return 0;
1834 }
1835
1836 16759 static void progress_frame_pool_reset_cb(AVRefStructOpaque unused, void *obj)
1837 {
1838 16759 ProgressInternal *progress = obj;
1839
1840 16759 ff_thread_progress_reset(&progress->progress);
1841 16759 av_frame_unref(progress->f);
1842 16759 }
1843
1844 2534 static av_cold void progress_frame_pool_free_entry_cb(AVRefStructOpaque opaque, void *obj)
1845 {
1846 2534 ProgressInternal *progress = obj;
1847
1848 2534 ff_thread_progress_destroy(&progress->progress);
1849 2534 av_frame_free(&progress->f);
1850 2534 }
1851
1852 15445 int ff_decode_preinit(AVCodecContext *avctx)
1853 {
1854 15445 AVCodecInternal *avci = avctx->internal;
1855 15445 DecodeContext *dc = decode_ctx(avci);
1856 15445 int ret = 0;
1857
1858 15445 dc->initial_pict_type = AV_PICTURE_TYPE_NONE;
1859
2/2
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✓ Branch 1 taken 3675 times.
 15445 if (avctx->codec_descriptor->props & AV_CODEC_PROP_INTRA_ONLY) {
1860 11770 dc->intra_only_flag = AV_FRAME_FLAG_KEY;
1861
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 11770 if (avctx->codec_type == AVMEDIA_TYPE_VIDEO)
1862 8754 dc->initial_pict_type = AV_PICTURE_TYPE_I;
1863 }
1864
1865 /* if the decoder init function was already called previously,
1866 * free the already allocated subtitle_header before overwriting it */
1867 15445 av_freep(&avctx->subtitle_header);
1868
1869
2/4
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 15445 if (avctx->codec->max_lowres < avctx->lowres || avctx->lowres < 0) {
1870 ✗ av_log(avctx, AV_LOG_WARNING, "The maximum value for lowres supported by the decoder is %d\n",
1871 ✗ avctx->codec->max_lowres);
1872 ✗ avctx->lowres = avctx->codec->max_lowres;
1873 }
1874
2/2
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 15445 if (avctx->sub_charenc) {
1875
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 6 if (avctx->codec_type != AVMEDIA_TYPE_SUBTITLE) {
1876 ✗ av_log(avctx, AV_LOG_ERROR, "Character encoding is only "
1877 "supported with subtitles codecs\n");
1878 ✗ return AVERROR(EINVAL);
1879
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✓ Branch 1 taken 6 times.
 6 } else if (avctx->codec_descriptor->props & AV_CODEC_PROP_BITMAP_SUB) {
1880 ✗ av_log(avctx, AV_LOG_WARNING, "Codec '%s' is bitmap-based, "
1881 "subtitles character encoding will be ignored\n",
1882 ✗ avctx->codec_descriptor->name);
1883 ✗ avctx->sub_charenc_mode = FF_SUB_CHARENC_MODE_DO_NOTHING;
1884 } else {
1885 /* input character encoding is set for a text based subtitle
1886 * codec at this point */
1887
1/2
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✗ Branch 1 not taken.
 6 if (avctx->sub_charenc_mode == FF_SUB_CHARENC_MODE_AUTOMATIC)
1888 6 avctx->sub_charenc_mode = FF_SUB_CHARENC_MODE_PRE_DECODER;
1889
1890
1/2
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✗ Branch 1 not taken.
 6 if (avctx->sub_charenc_mode == FF_SUB_CHARENC_MODE_PRE_DECODER) {
1891 #if CONFIG_ICONV
1892 6 iconv_t cd = iconv_open("UTF-8", avctx->sub_charenc);
1893
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✓ Branch 1 taken 6 times.
 6 if (cd == (iconv_t)-1) {
1894 ✗ ret = AVERROR(errno);
1895 ✗ av_log(avctx, AV_LOG_ERROR, "Unable to open iconv context "
1896 "with input character encoding \"%s\"\n", avctx->sub_charenc);
1897 ✗ return ret;
1898 }
1899 6 iconv_close(cd);
1900 #else
1901 av_log(avctx, AV_LOG_ERROR, "Character encoding subtitles "
1902 "conversion needs a libavcodec built with iconv support "
1903 "for this codec\n");
1904 return AVERROR(ENOSYS);
1905 #endif
1906 }
1907 }
1908 }
1909
1910 15445 dc->pts_correction_num_faulty_pts =
1911 15445 dc->pts_correction_num_faulty_dts = 0;
1912 15445 dc->pts_correction_last_pts =
1913 15445 dc->pts_correction_last_dts = INT64_MIN;
1914
1915
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✓ Branch 1 taken 15445 times.
 15445 if ( !CONFIG_GRAY && avctx->flags & AV_CODEC_FLAG_GRAY
1916 ✗ && avctx->codec_descriptor->type == AVMEDIA_TYPE_VIDEO)
1917 ✗ av_log(avctx, AV_LOG_WARNING,
1918 "gray decoding requested but not enabled at configuration time\n");
1919
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 15445 if (avctx->flags2 & AV_CODEC_FLAG2_EXPORT_MVS) {
1920 5 avctx->export_side_data |= AV_CODEC_EXPORT_DATA_MVS;
1921 }
1922
1923
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 15445 if (avctx->nb_side_data_prefer_packet == 1 &&
1924 ✗ avctx->side_data_prefer_packet[0] == -1)
1925 ✗ dc->side_data_pref_mask = ~0ULL;
1926 else {
1927
2/2
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✓ Branch 1 taken 15445 times.
 15449 for (unsigned i = 0; i < avctx->nb_side_data_prefer_packet; i++) {
1928 4 int val = avctx->side_data_prefer_packet[i];
1929
1930
2/4
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✓ Branch 3 taken 4 times.
 4 if (val < 0 || val >= AV_PKT_DATA_NB) {
1931 ✗ av_log(avctx, AV_LOG_ERROR, "Invalid side data type: %d\n", val);
1932 ✗ return AVERROR(EINVAL);
1933 }
1934
1935
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 40 for (unsigned j = 0; ff_sd_global_map[j].packet < AV_PKT_DATA_NB; j++) {
1936
2/2
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✓ Branch 1 taken 32 times.
 36 if (ff_sd_global_map[j].packet == val) {
1937 4 val = ff_sd_global_map[j].frame;
1938
1939 // this code will need to be changed when we have more than
1940 // 64 frame side data types
1941
1/2
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✓ Branch 1 taken 4 times.
 4 if (val >= 64) {
1942 ✗ av_log(avctx, AV_LOG_ERROR, "Side data type too big\n");
1943 ✗ return AVERROR_BUG;
1944 }
1945
1946 4 dc->side_data_pref_mask |= 1ULL << val;
1947 }
1948 }
1949 }
1950 }
1951
1952 15445 avci->in_pkt = av_packet_alloc();
1953 15445 avci->last_pkt_props = av_packet_alloc();
1954
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 15445 if (!avci->in_pkt || !avci->last_pkt_props)
1955 ✗ return AVERROR(ENOMEM);
1956
1957
2/2
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✓ Branch 2 taken 14108 times.
 15445 if (ffcodec(avctx->codec)->caps_internal & FF_CODEC_CAP_USES_PROGRESSFRAMES) {
1958 1337 avci->progress_frame_pool =
1959 1337 av_refstruct_pool_alloc_ext(sizeof(ProgressInternal),
1960 AV_REFSTRUCT_POOL_FLAG_FREE_ON_INIT_ERROR,
1961 avctx, progress_frame_pool_init_cb,
1962 progress_frame_pool_reset_cb,
1963 progress_frame_pool_free_entry_cb, NULL);
1964
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 1337 if (!avci->progress_frame_pool)
1965 ✗ return AVERROR(ENOMEM);
1966 }
1967 15445 ret = decode_bsfs_init(avctx);
1968
1/2
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 15445 if (ret < 0)
1969 ✗ return ret;
1970
1971
1/2
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✗ Branch 1 not taken.
 15445 if (!(avctx->export_side_data & AV_CODEC_EXPORT_DATA_ENHANCEMENTS)) {
1972 15445 ret = ff_lcevc_alloc(&dc->lcevc);
1973
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✗ Branch 2 not taken.
✗ Branch 3 not taken.
 15445 if (ret < 0 && (avctx->err_recognition & AV_EF_EXPLODE))
1974 ✗ return ret;
1975 }
1976
1977 15445 return 0;
1978 }
1979
1980 /**
1981 * Check side data preference and clear existing side data from frame
1982 * if needed.
1983 *
1984 * @retval 0 side data of this type can be added to frame
1985 * @retval 1 side data of this type should not be added to frame
1986 */
1987 5594 static int side_data_pref(const AVCodecContext *avctx, AVFrameSideData ***sd,
1988 int *nb_sd, enum AVFrameSideDataType type)
1989 {
1990 5594 DecodeContext *dc = decode_ctx(avctx->internal);
1991
1992 // Note: could be skipped for `type` without corresponding packet sd
1993
2/2
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✓ Branch 2 taken 5572 times.
 5594 if (av_frame_side_data_get(*sd, *nb_sd, type)) {
1994
2/2
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✓ Branch 1 taken 12 times.
 22 if (dc->side_data_pref_mask & (1ULL << type))
1995 10 return 1;
1996 12 av_frame_side_data_remove(sd, nb_sd, type);
1997 }
1998
1999 5584 return 0;
2000 }
2001
2002
2003 4789 int ff_frame_new_side_data(const AVCodecContext *avctx, AVFrame *frame,
2004 enum AVFrameSideDataType type, size_t size,
2005 AVFrameSideData **psd)
2006 {
2007 AVFrameSideData *sd;
2008
2009
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 4789 times.
 4789 if (side_data_pref(avctx, &frame->side_data, &frame->nb_side_data, type)) {
2010 ✗ if (psd)
2011 ✗ *psd = NULL;
2012 ✗ return 0;
2013 }
2014
2015 4789 sd = av_frame_new_side_data(frame, type, size);
2016
1/2
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✗ Branch 1 not taken.
 4789 if (psd)
2017 4789 *psd = sd;
2018
2019
1/2
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✗ Branch 1 not taken.
 4789 return sd ? 0 : AVERROR(ENOMEM);
2020 }
2021
2022 758 int ff_frame_new_side_data_from_buf_ext(const AVCodecContext *avctx,
2023 AVFrameSideData ***sd, int *nb_sd,
2024 enum AVFrameSideDataType type,
2025 AVBufferRef **buf)
2026 {
2027 758 int ret = 0;
2028
2029
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 758 times.
 758 if (side_data_pref(avctx, sd, nb_sd, type))
2030 ✗ goto finish;
2031
2032
1/2
✓ Branch 1 taken 758 times.
✗ Branch 2 not taken.
 758 if (!av_frame_side_data_add(sd, nb_sd, type, buf, 0))
2033 ✗ ret = AVERROR(ENOMEM);
2034
2035 758 finish:
2036 758 av_buffer_unref(buf);
2037
2038 758 return ret;
2039 }
2040
2041 748 int ff_frame_new_side_data_from_buf(const AVCodecContext *avctx,
2042 AVFrame *frame, enum AVFrameSideDataType type,
2043 AVBufferRef **buf)
2044 {
2045 748 return ff_frame_new_side_data_from_buf_ext(avctx,
2046 &frame->side_data, &frame->nb_side_data,
2047 type, buf);
2048 }
2049
2050 35 int ff_decode_mastering_display_new_ext(const AVCodecContext *avctx,
2051 AVFrameSideData ***sd, int *nb_sd,
2052 struct AVMasteringDisplayMetadata **mdm)
2053 {
2054 AVBufferRef *buf;
2055 size_t size;
2056
2057
2/2
✓ Branch 1 taken 10 times.
✓ Branch 2 taken 25 times.
 35 if (side_data_pref(avctx, sd, nb_sd, AV_FRAME_DATA_MASTERING_DISPLAY_METADATA)) {
2058 10 *mdm = NULL;
2059 10 return 0;
2060 }
2061
2062 25 *mdm = av_mastering_display_metadata_alloc_size(&size);
2063
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 25 times.
 25 if (!*mdm)
2064 ✗ return AVERROR(ENOMEM);
2065
2066 25 buf = av_buffer_create((uint8_t *)*mdm, size, NULL, NULL, 0);
2067
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 25 times.
 25 if (!buf) {
2068 ✗ av_freep(mdm);
2069 ✗ return AVERROR(ENOMEM);
2070 }
2071
2072
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 25 times.
 25 if (!av_frame_side_data_add(sd, nb_sd, AV_FRAME_DATA_MASTERING_DISPLAY_METADATA,
2073 &buf, 0)) {
2074 ✗ *mdm = NULL;
2075 ✗ av_buffer_unref(&buf);
2076 ✗ return AVERROR(ENOMEM);
2077 }
2078
2079 25 return 0;
2080 }
2081
2082 2 int ff_decode_mastering_display_new(const AVCodecContext *avctx, AVFrame *frame,
2083 AVMasteringDisplayMetadata **mdm)
2084 {
2085
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 2 times.
 2 if (side_data_pref(avctx, &frame->side_data, &frame->nb_side_data,
2086 AV_FRAME_DATA_MASTERING_DISPLAY_METADATA)) {
2087 ✗ *mdm = NULL;
2088 ✗ return 0;
2089 }
2090
2091 2 *mdm = av_mastering_display_metadata_create_side_data(frame);
2092
1/2
✓ Branch 0 taken 2 times.
✗ Branch 1 not taken.
 2 return *mdm ? 0 : AVERROR(ENOMEM);
2093 }
2094
2095 8 int ff_decode_content_light_new_ext(const AVCodecContext *avctx,
2096 AVFrameSideData ***sd, int *nb_sd,
2097 AVContentLightMetadata **clm)
2098 {
2099 AVBufferRef *buf;
2100 size_t size;
2101
2102
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 8 times.
 8 if (side_data_pref(avctx, sd, nb_sd, AV_FRAME_DATA_CONTENT_LIGHT_LEVEL)) {
2103 ✗ *clm = NULL;
2104 ✗ return 0;
2105 }
2106
2107 8 *clm = av_content_light_metadata_alloc(&size);
2108
1/2
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✓ Branch 1 taken 8 times.
 8 if (!*clm)
2109 ✗ return AVERROR(ENOMEM);
2110
2111 8 buf = av_buffer_create((uint8_t *)*clm, size, NULL, NULL, 0);
2112
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 8 times.
 8 if (!buf) {
2113 ✗ av_freep(clm);
2114 ✗ return AVERROR(ENOMEM);
2115 }
2116
2117
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 8 times.
 8 if (!av_frame_side_data_add(sd, nb_sd, AV_FRAME_DATA_CONTENT_LIGHT_LEVEL,
2118 &buf, 0)) {
2119 ✗ *clm = NULL;
2120 ✗ av_buffer_unref(&buf);
2121 ✗ return AVERROR(ENOMEM);
2122 }
2123
2124 8 return 0;
2125 }
2126
2127 2 int ff_decode_content_light_new(const AVCodecContext *avctx, AVFrame *frame,
2128 AVContentLightMetadata **clm)
2129 {
2130
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 2 times.
 2 if (side_data_pref(avctx, &frame->side_data, &frame->nb_side_data,
2131 AV_FRAME_DATA_CONTENT_LIGHT_LEVEL)) {
2132 ✗ *clm = NULL;
2133 ✗ return 0;
2134 }
2135
2136 2 *clm = av_content_light_metadata_create_side_data(frame);
2137
1/2
✓ Branch 0 taken 2 times.
✗ Branch 1 not taken.
 2 return *clm ? 0 : AVERROR(ENOMEM);
2138 }
2139
2140 1673 int ff_copy_palette(void *dst, const AVPacket *src, void *logctx)
2141 {
2142 size_t size;
2143 1673 const void *pal = av_packet_get_side_data(src, AV_PKT_DATA_PALETTE, &size);
2144
2145
3/4
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✓ Branch 1 taken 1641 times.
✓ Branch 2 taken 32 times.
✗ Branch 3 not taken.
 1673 if (pal && size == AVPALETTE_SIZE) {
2146 32 memcpy(dst, pal, AVPALETTE_SIZE);
2147 32 return 1;
2148
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 1641 times.
 1641 } else if (pal) {
2149 ✗ av_log(logctx, AV_LOG_ERROR,
2150 "Palette size %"SIZE_SPECIFIER" is wrong\n", size);
2151 }
2152 1641 return 0;
2153 }
2154
2155 53771 int ff_hwaccel_frame_priv_alloc(AVCodecContext *avctx, void **hwaccel_picture_private)
2156 {
2157 53771 const FFHWAccel *hwaccel = ffhwaccel(avctx->hwaccel);
2158
2159
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✗ Branch 2 not taken.
✗ Branch 3 not taken.
 53771 if (!hwaccel || !hwaccel->frame_priv_data_size)
2160 53771 return 0;
2161
2162 ✗ av_assert0(!*hwaccel_picture_private);
2163
2164 ✗ if (hwaccel->free_frame_priv) {
2165 AVHWFramesContext *frames_ctx;
2166
2167 ✗ if (!avctx->hw_frames_ctx)
2168 ✗ return AVERROR(EINVAL);
2169
2170 ✗ frames_ctx = (AVHWFramesContext *) avctx->hw_frames_ctx->data;
2171 ✗ *hwaccel_picture_private = av_refstruct_alloc_ext(hwaccel->frame_priv_data_size, 0,
2172 ✗ frames_ctx->device_ctx,
2173 ✗ hwaccel->free_frame_priv);
2174 } else {
2175 ✗ *hwaccel_picture_private = av_refstruct_allocz(hwaccel->frame_priv_data_size);
2176 }
2177
2178 ✗ if (!*hwaccel_picture_private)
2179 ✗ return AVERROR(ENOMEM);
2180
2181 ✗ return 0;
2182 }
2183
2184 104 void ff_decode_flush_buffers(AVCodecContext *avctx)
2185 {
2186 104 AVCodecInternal *avci = avctx->internal;
2187 104 DecodeContext *dc = decode_ctx(avci);
2188
2189 104 av_packet_unref(avci->last_pkt_props);
2190 104 av_packet_unref(avci->in_pkt);
2191
2192 104 dc->pts_correction_last_pts =
2193 104 dc->pts_correction_last_dts = INT64_MIN;
2194
2195
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✗ Branch 1 not taken.
 104 if (avci->bsf)
2196 104 av_bsf_flush(avci->bsf);
2197
2198 104 dc->nb_draining_errors = 0;
2199 104 dc->draining_started = 0;
2200 104 }
2201
2202 15521 AVCodecInternal *ff_decode_internal_alloc(void)
2203 {
2204 15521 return av_mallocz(sizeof(DecodeContext));
2205 }
2206
2207 740 void ff_decode_internal_sync(AVCodecContext *dst, const AVCodecContext *src)
2208 {
2209 740 const DecodeContext *src_dc = decode_ctx(src->internal);
2210 740 DecodeContext *dst_dc = decode_ctx(dst->internal);
2211
2212 740 av_refstruct_replace(&dst_dc->lcevc, src_dc->lcevc);
2213 740 }
2214
2215 15521 void ff_decode_internal_uninit(AVCodecContext *avctx)
2216 {
2217 15521 AVCodecInternal *avci = avctx->internal;
2218 15521 DecodeContext *dc = decode_ctx(avci);
2219
2220 15521 av_refstruct_unref(&dc->lcevc);
2221 15521 }
2222