FFmpeg coverage

Directory: ../../../ffmpeg/
File: src/libavcodec/decode.c
Date: 2024-11-20 23:03:26
Exec Total Coverage
Lines: 809 1229 65.8%
Functions: 66 69 95.7%
Branches: 492 881 55.8%
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 "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 4342668 static DecodeContext *decode_ctx(AVCodecInternal *avci)
103 {
104 4342668 return (DecodeContext *)avci;
105 }
106
107 388114 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 388114 data = av_packet_get_side_data(avpkt, AV_PKT_DATA_PARAM_CHANGE, &size);
116
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 388114 if (!data)
117 388112 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 388114 static int extract_packet_props(AVCodecInternal *avci, const AVPacket *pkt)
169 {
170 388114 int ret = 0;
171
172 388114 av_packet_unref(avci->last_pkt_props);
173
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 388114 if (pkt) {
174 388114 ret = av_packet_copy_props(avci->last_pkt_props, pkt);
175 #if FF_API_FRAME_PKT
176
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 388114 if (!ret)
177 388114 avci->last_pkt_props->stream_index = pkt->size; // Needed for ff_decode_frame_props().
178 #endif
179 }
180 388114 return ret;
181 }
182
183 15298 static int decode_bsfs_init(AVCodecContext *avctx)
184 {
185 15298 AVCodecInternal *avci = avctx->internal;
186 15298 const FFCodec *const codec = ffcodec(avctx->codec);
187 int ret;
188
189
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 15298 if (avci->bsf)
190 ✗ return 0;
191
192 15298 ret = av_bsf_list_parse_str(codec->bsfs, &avci->bsf);
193
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 15298 if (ret < 0) {
194 ✗ av_log(avctx, AV_LOG_ERROR, "Error parsing decoder bitstream filters '%s': %s\n", codec->bsfs, av_err2str(ret));
195 ✗ if (ret != AVERROR(ENOMEM))
196 ✗ ret = AVERROR_BUG;
197 ✗ goto fail;
198 }
199
200 /* We do not currently have an API for passing the input timebase into decoders,
201 * but no filters used here should actually need it.
202 * So we make up some plausible-looking number (the MPEG 90kHz timebase) */
203 15298 avci->bsf->time_base_in = (AVRational){ 1, 90000 };
204 15298 ret = avcodec_parameters_from_context(avci->bsf->par_in, avctx);
205
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 15298 if (ret < 0)
206 ✗ goto fail;
207
208 15298 ret = av_bsf_init(avci->bsf);
209
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 15298 if (ret < 0)
210 ✗ goto fail;
211
212 15298 return 0;
213 ✗ fail:
214 ✗ av_bsf_free(&avci->bsf);
215 ✗ return ret;
216 }
217
218 #if !HAVE_THREADS
219 #define ff_thread_get_packet(avctx, pkt) (AVERROR_BUG)
220 #define ff_thread_receive_frame(avctx, frame) (AVERROR_BUG)
221 #endif
222
223 1166491 static int decode_get_packet(AVCodecContext *avctx, AVPacket *pkt)
224 {
225 1166491 AVCodecInternal *avci = avctx->internal;
226 int ret;
227
228 1166491 ret = av_bsf_receive_packet(avci->bsf, pkt);
229
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 1166491 if (ret < 0)
230 778377 return ret;
231
232
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 388114 if (!(ffcodec(avctx->codec)->caps_internal & FF_CODEC_CAP_SETS_FRAME_PROPS)) {
233 388114 ret = extract_packet_props(avctx->internal, pkt);
234
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 388114 if (ret < 0)
235 ✗ goto finish;
236 }
237
238 388114 ret = apply_param_change(avctx, pkt);
239
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 388114 if (ret < 0)
240 ✗ goto finish;
241
242 388114 return 0;
243 ✗ finish:
244 ✗ av_packet_unref(pkt);
245 ✗ return ret;
246 }
247
248 776305 int ff_decode_get_packet(AVCodecContext *avctx, AVPacket *pkt)
249 {
250 776305 AVCodecInternal *avci = avctx->internal;
251 776305 DecodeContext *dc = decode_ctx(avci);
252
253
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 776305 if (avci->draining)
254 193 return AVERROR_EOF;
255
256 /* If we are a worker thread, get the next packet from the threading
257 * context. Otherwise we are the main (user-facing) context, so we get the
258 * next packet from the input filterchain.
259 */
260
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 776112 if (avctx->internal->is_frame_mt)
261 1076 return ff_thread_get_packet(avctx, pkt);
262
263 391455 while (1) {
264 1166491 int ret = decode_get_packet(avctx, pkt);
265
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 1166491 if (ret == AVERROR(EAGAIN) &&
266
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 774972 (!AVPACKET_IS_EMPTY(avci->buffer_pkt) || dc->draining_started)) {
267 391455 ret = av_bsf_send_packet(avci->bsf, avci->buffer_pkt);
268
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 391455 if (ret >= 0)
269 391455 continue;
270
271 ✗ av_packet_unref(avci->buffer_pkt);
272 }
273
274
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 775036 if (ret == AVERROR_EOF)
275 3405 avci->draining = 1;
276 775036 return ret;
277 }
278 }
279
280 /**
281 * Attempt to guess proper monotonic timestamps for decoded video frames
282 * which might have incorrect times. Input timestamps may wrap around, in
283 * which case the output will as well.
284 *
285 * @param pts the pts field of the decoded AVPacket, as passed through
286 * AVFrame.pts
287 * @param dts the dts field of the decoded AVPacket
288 * @return one of the input values, may be AV_NOPTS_VALUE
289 */
290 406367 static int64_t guess_correct_pts(DecodeContext *dc,
291 int64_t reordered_pts, int64_t dts)
292 {
293 406367 int64_t pts = AV_NOPTS_VALUE;
294
295
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 406367 if (dts != AV_NOPTS_VALUE) {
296 316367 dc->pts_correction_num_faulty_dts += dts <= dc->pts_correction_last_dts;
297 316367 dc->pts_correction_last_dts = dts;
298
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 90000 } else if (reordered_pts != AV_NOPTS_VALUE)
299 359 dc->pts_correction_last_dts = reordered_pts;
300
301
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 406367 if (reordered_pts != AV_NOPTS_VALUE) {
302 316033 dc->pts_correction_num_faulty_pts += reordered_pts <= dc->pts_correction_last_pts;
303 316033 dc->pts_correction_last_pts = reordered_pts;
304
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 90334 } else if(dts != AV_NOPTS_VALUE)
305 693 dc->pts_correction_last_pts = dts;
306
307
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 406367 if ((dc->pts_correction_num_faulty_pts<=dc->pts_correction_num_faulty_dts || dts == AV_NOPTS_VALUE)
308
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 405810 && reordered_pts != AV_NOPTS_VALUE)
309 315476 pts = reordered_pts;
310 else
311 90891 pts = dts;
312
313 406367 return pts;
314 }
315
316 261410 static int discard_samples(AVCodecContext *avctx, AVFrame *frame, int64_t *discarded_samples)
317 {
318 261410 AVCodecInternal *avci = avctx->internal;
319 AVFrameSideData *side;
320 261410 uint32_t discard_padding = 0;
321 261410 uint8_t skip_reason = 0;
322 261410 uint8_t discard_reason = 0;
323
324 261410 side = av_frame_get_side_data(frame, AV_FRAME_DATA_SKIP_SAMPLES);
325
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 261410 if (side && side->size >= 10) {
326 116 avci->skip_samples = AV_RL32(side->data);
327 116 avci->skip_samples = FFMAX(0, avci->skip_samples);
328 116 discard_padding = AV_RL32(side->data + 4);
329 116 av_log(avctx, AV_LOG_DEBUG, "skip %d / discard %d samples due to side data\n",
330 avci->skip_samples, (int)discard_padding);
331 116 skip_reason = AV_RL8(side->data + 8);
332 116 discard_reason = AV_RL8(side->data + 9);
333 }
334
335
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 261410 if ((avctx->flags2 & AV_CODEC_FLAG2_SKIP_MANUAL)) {
336 ✗ if (!side && (avci->skip_samples || discard_padding))
337 ✗ side = av_frame_new_side_data(frame, AV_FRAME_DATA_SKIP_SAMPLES, 10);
338 ✗ if (side && (avci->skip_samples || discard_padding)) {
339 ✗ AV_WL32(side->data, avci->skip_samples);
340 ✗ AV_WL32(side->data + 4, discard_padding);
341 ✗ AV_WL8(side->data + 8, skip_reason);
342 ✗ AV_WL8(side->data + 9, discard_reason);
343 ✗ avci->skip_samples = 0;
344 }
345 ✗ return 0;
346 }
347 261410 av_frame_remove_side_data(frame, AV_FRAME_DATA_SKIP_SAMPLES);
348
349
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 261410 if ((frame->flags & AV_FRAME_FLAG_DISCARD)) {
350 20 avci->skip_samples = FFMAX(0, avci->skip_samples - frame->nb_samples);
351 20 *discarded_samples += frame->nb_samples;
352 20 return AVERROR(EAGAIN);
353 }
354
355
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 261390 if (avci->skip_samples > 0) {
356
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 221 if (frame->nb_samples <= avci->skip_samples){
357 156 *discarded_samples += frame->nb_samples;
358 156 avci->skip_samples -= frame->nb_samples;
359 156 av_log(avctx, AV_LOG_DEBUG, "skip whole frame, skip left: %d\n",
360 avci->skip_samples);
361 156 return AVERROR(EAGAIN);
362 } else {
363 65 av_samples_copy(frame->extended_data, frame->extended_data, 0, avci->skip_samples,
364 65 frame->nb_samples - avci->skip_samples, avctx->ch_layout.nb_channels, frame->format);
365
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 130 if (avctx->pkt_timebase.num && avctx->sample_rate) {
366 65 int64_t diff_ts = av_rescale_q(avci->skip_samples,
367 65 (AVRational){1, avctx->sample_rate},
368 avctx->pkt_timebase);
369
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 65 if (frame->pts != AV_NOPTS_VALUE)
370 65 frame->pts += diff_ts;
371
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 65 if (frame->pkt_dts != AV_NOPTS_VALUE)
372 65 frame->pkt_dts += diff_ts;
373
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 65 if (frame->duration >= diff_ts)
374 65 frame->duration -= diff_ts;
375 } else
376 ✗ av_log(avctx, AV_LOG_WARNING, "Could not update timestamps for skipped samples.\n");
377
378 65 av_log(avctx, AV_LOG_DEBUG, "skip %d/%d samples\n",
379 avci->skip_samples, frame->nb_samples);
380 65 *discarded_samples += avci->skip_samples;
381 65 frame->nb_samples -= avci->skip_samples;
382 65 avci->skip_samples = 0;
383 }
384 }
385
386
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 261234 if (discard_padding > 0 && discard_padding <= frame->nb_samples) {
387
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 7 if (discard_padding == frame->nb_samples) {
388 2 *discarded_samples += frame->nb_samples;
389 2 return AVERROR(EAGAIN);
390 } else {
391
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 5 if (avctx->pkt_timebase.num && avctx->sample_rate) {
392 5 int64_t diff_ts = av_rescale_q(frame->nb_samples - discard_padding,
393 5 (AVRational){1, avctx->sample_rate},
394 avctx->pkt_timebase);
395 5 frame->duration = diff_ts;
396 } else
397 ✗ av_log(avctx, AV_LOG_WARNING, "Could not update timestamps for discarded samples.\n");
398
399 5 av_log(avctx, AV_LOG_DEBUG, "discard %d/%d samples\n",
400 (int)discard_padding, frame->nb_samples);
401 5 frame->nb_samples -= discard_padding;
402 }
403 }
404
405 261232 return 0;
406 }
407
408 /*
409 * The core of the receive_frame_wrapper for the decoders implementing
410 * the simple API. Certain decoders might consume partial packets without
411 * returning any output, so this function needs to be called in a loop until it
412 * returns EAGAIN.
413 **/
414 782789 static inline int decode_simple_internal(AVCodecContext *avctx, AVFrame *frame, int64_t *discarded_samples)
415 {
416 782789 AVCodecInternal *avci = avctx->internal;
417 782789 DecodeContext *dc = decode_ctx(avci);
418 782789 AVPacket *const pkt = avci->in_pkt;
419 782789 const FFCodec *const codec = ffcodec(avctx->codec);
420 int got_frame, consumed;
421 int ret;
422
423
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 782789 if (!pkt->data && !avci->draining) {
424 752906 av_packet_unref(pkt);
425 752906 ret = ff_decode_get_packet(avctx, pkt);
426
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 752906 if (ret < 0 && ret != AVERROR_EOF)
427 372700 return ret;
428 }
429
430 // Some codecs (at least wma lossless) will crash when feeding drain packets
431 // after EOF was signaled.
432
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 410089 if (avci->draining_done)
433 560 return AVERROR_EOF;
434
435
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 409529 if (!pkt->data &&
436
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 3910 !(avctx->codec->capabilities & AV_CODEC_CAP_DELAY))
437 2713 return AVERROR_EOF;
438
439 406816 got_frame = 0;
440
441 406816 frame->pict_type = dc->initial_pict_type;
442 406816 frame->flags |= dc->intra_only_flag;
443 406816 consumed = codec->cb.decode(avctx, frame, &got_frame, pkt);
444
445
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 406816 if (!(codec->caps_internal & FF_CODEC_CAP_SETS_PKT_DTS))
446 406816 frame->pkt_dts = pkt->dts;
447
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 406816 if (avctx->codec->type == AVMEDIA_TYPE_VIDEO) {
448 #if FF_API_FRAME_PKT
449 FF_DISABLE_DEPRECATION_WARNINGS
450
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 145838 if(!avctx->has_b_frames)
451 117954 frame->pkt_pos = pkt->pos;
452 FF_ENABLE_DEPRECATION_WARNINGS
453 #endif
454 }
455 406816 emms_c();
456
457
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 406816 if (avctx->codec->type == AVMEDIA_TYPE_VIDEO) {
458
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 281135 ret = (!got_frame || frame->flags & AV_FRAME_FLAG_DISCARD)
459 ? AVERROR(EAGAIN)
460
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 281135 : 0;
461
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 260978 } else if (avctx->codec->type == AVMEDIA_TYPE_AUDIO) {
462 260978 ret = !got_frame ? AVERROR(EAGAIN)
463
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 260978 : discard_samples(avctx, frame, discarded_samples);
464 } else
465 ✗ av_assert0(0);
466
467
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 406816 if (ret == AVERROR(EAGAIN))
468 12274 av_frame_unref(frame);
469
470 // FF_CODEC_CB_TYPE_DECODE decoders must not return AVERROR EAGAIN
471 // code later will add AVERROR(EAGAIN) to a pointer
472
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 406816 av_assert0(consumed != AVERROR(EAGAIN));
473
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 406816 if (consumed < 0)
474 647 ret = consumed;
475
4/4
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✓ Branch 2 taken 145228 times.
✓ Branch 3 taken 260941 times.
 406816 if (consumed >= 0 && avctx->codec->type == AVMEDIA_TYPE_VIDEO)
476 145228 consumed = pkt->size;
477
478
2/2
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 406816 if (!ret)
479
1/2
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 394542 av_assert0(frame->buf[0]);
480
2/2
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 406816 if (ret == AVERROR(EAGAIN))
481 11627 ret = 0;
482
483 /* do not stop draining when got_frame != 0 or ret < 0 */
484
4/4
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✓ Branch 3 taken 636 times.
 406816 if (avci->draining && !got_frame) {
485
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 561 if (ret < 0) {
486 /* prevent infinite loop if a decoder wrongly always return error on draining */
487 /* reasonable nb_errors_max = maximum b frames + thread count */
488
1/2
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✓ Branch 1 taken 1 times.
 1 int nb_errors_max = 20 + (HAVE_THREADS && avctx->active_thread_type & FF_THREAD_FRAME ?
489 ✗ avctx->thread_count : 1);
490
491
1/2
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 1 if (decode_ctx(avci)->nb_draining_errors++ >= nb_errors_max) {
492 ✗ av_log(avctx, AV_LOG_ERROR, "Too many errors when draining, this is a bug. "
493 "Stop draining and force EOF.\n");
494 ✗ avci->draining_done = 1;
495 ✗ ret = AVERROR_BUG;
496 }
497 } else {
498 560 avci->draining_done = 1;
499 }
500 }
501
502
4/4
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✓ Branch 3 taken 28634 times.
 406816 if (consumed >= pkt->size || ret < 0) {
503 378182 av_packet_unref(pkt);
504 } else {
505 28634 pkt->data += consumed;
506 28634 pkt->size -= consumed;
507 28634 pkt->pts = AV_NOPTS_VALUE;
508 28634 pkt->dts = AV_NOPTS_VALUE;
509
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✗ Branch 1 not taken.
 28634 if (!(codec->caps_internal & FF_CODEC_CAP_SETS_FRAME_PROPS)) {
510 #if FF_API_FRAME_PKT
511 // See extract_packet_props() comment.
512 28634 avci->last_pkt_props->stream_index = avci->last_pkt_props->stream_index - consumed;
513 #endif
514 28634 avci->last_pkt_props->pts = AV_NOPTS_VALUE;
515 28634 avci->last_pkt_props->dts = AV_NOPTS_VALUE;
516 }
517 }
518
519 406816 return ret;
520 }
521
522 #if CONFIG_LCMS2
523 static int detect_colorspace(AVCodecContext *avctx, AVFrame *frame)
524 {
525 AVCodecInternal *avci = avctx->internal;
526 enum AVColorTransferCharacteristic trc;
527 AVColorPrimariesDesc coeffs;
528 enum AVColorPrimaries prim;
529 cmsHPROFILE profile;
530 AVFrameSideData *sd;
531 int ret;
532 if (!(avctx->flags2 & AV_CODEC_FLAG2_ICC_PROFILES))
533 return 0;
534
535 sd = av_frame_get_side_data(frame, AV_FRAME_DATA_ICC_PROFILE);
536 if (!sd || !sd->size)
537 return 0;
538
539 if (!avci->icc.avctx) {
540 ret = ff_icc_context_init(&avci->icc, avctx);
541 if (ret < 0)
542 return ret;
543 }
544
545 profile = cmsOpenProfileFromMemTHR(avci->icc.ctx, sd->data, sd->size);
546 if (!profile)
547 return AVERROR_INVALIDDATA;
548
549 ret = ff_icc_profile_sanitize(&avci->icc, profile);
550 if (!ret)
551 ret = ff_icc_profile_read_primaries(&avci->icc, profile, &coeffs);
552 if (!ret)
553 ret = ff_icc_profile_detect_transfer(&avci->icc, profile, &trc);
554 cmsCloseProfile(profile);
555 if (ret < 0)
556 return ret;
557
558 prim = av_csp_primaries_id_from_desc(&coeffs);
559 if (prim != AVCOL_PRI_UNSPECIFIED)
560 frame->color_primaries = prim;
561 if (trc != AVCOL_TRC_UNSPECIFIED)
562 frame->color_trc = trc;
563 return 0;
564 }
565 #else /* !CONFIG_LCMS2 */
566 794965 static int detect_colorspace(av_unused AVCodecContext *c, av_unused AVFrame *f)
567 {
568 794965 return 0;
569 }
570 #endif
571
572 815115 static int fill_frame_props(const AVCodecContext *avctx, AVFrame *frame)
573 {
574 int ret;
575
576
2/2
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✓ Branch 1 taken 262050 times.
 815115 if (frame->color_primaries == AVCOL_PRI_UNSPECIFIED)
577 553065 frame->color_primaries = avctx->color_primaries;
578
2/2
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 815115 if (frame->color_trc == AVCOL_TRC_UNSPECIFIED)
579 552704 frame->color_trc = avctx->color_trc;
580
2/2
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 815115 if (frame->colorspace == AVCOL_SPC_UNSPECIFIED)
581 546798 frame->colorspace = avctx->colorspace;
582
2/2
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 815115 if (frame->color_range == AVCOL_RANGE_UNSPECIFIED)
583 727020 frame->color_range = avctx->color_range;
584
2/2
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✓ Branch 1 taken 28164 times.
 815115 if (frame->chroma_location == AVCHROMA_LOC_UNSPECIFIED)
585 786951 frame->chroma_location = avctx->chroma_sample_location;
586
587
2/2
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 815115 if (avctx->codec_type == AVMEDIA_TYPE_VIDEO) {
588
2/2
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 292414 if (!frame->sample_aspect_ratio.num) frame->sample_aspect_ratio = avctx->sample_aspect_ratio;
589
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 292414 if (frame->format == AV_PIX_FMT_NONE) frame->format = avctx->pix_fmt;
590
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✗ Branch 1 not taken.
 522701 } else if (avctx->codec->type == AVMEDIA_TYPE_AUDIO) {
591
2/2
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 522701 if (frame->format == AV_SAMPLE_FMT_NONE)
592 261443 frame->format = avctx->sample_fmt;
593
2/2
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 522701 if (!frame->ch_layout.nb_channels) {
594 261443 ret = av_channel_layout_copy(&frame->ch_layout, &avctx->ch_layout);
595
1/2
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 261443 if (ret < 0)
596 ✗ return ret;
597 }
598
2/2
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 522701 if (!frame->sample_rate)
599 261303 frame->sample_rate = avctx->sample_rate;
600 }
601
602 815115 return 0;
603 }
604
605 771162 static int decode_simple_receive_frame(AVCodecContext *avctx, AVFrame *frame)
606 {
607 int ret;
608 771162 int64_t discarded_samples = 0;
609
610
2/2
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 1177331 while (!frame->buf[0]) {
611
1/2
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✓ Branch 1 taken 782789 times.
 782789 if (discarded_samples > avctx->max_samples)
612 ✗ return AVERROR(EAGAIN);
613 782789 ret = decode_simple_internal(avctx, frame, &discarded_samples);
614
2/2
✓ Branch 0 taken 376620 times.
✓ Branch 1 taken 406169 times.
 782789 if (ret < 0)
615 376620 return ret;
616 }
617
618 394542 return 0;
619 }
620
621 795277 int ff_decode_receive_frame_internal(AVCodecContext *avctx, AVFrame *frame)
622 {
623 795277 AVCodecInternal *avci = avctx->internal;
624 795277 DecodeContext *dc = decode_ctx(avci);
625 795277 const FFCodec *const codec = ffcodec(avctx->codec);
626 int ret;
627
628
1/2
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 795277 av_assert0(!frame->buf[0]);
629
630
2/2
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 795277 if (codec->cb_type == FF_CODEC_CB_TYPE_RECEIVE_FRAME) {
631 while (1) {
632 24117 frame->pict_type = dc->initial_pict_type;
633 24117 frame->flags |= dc->intra_only_flag;
634 24117 ret = codec->cb.receive_frame(avctx, frame);
635 24117 emms_c();
636
2/2
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✓ Branch 1 taken 12289 times.
 24117 if (!ret) {
637
2/2
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✓ Branch 1 taken 10019 times.
 11828 if (avctx->codec->type == AVMEDIA_TYPE_AUDIO) {
638 1809 int64_t discarded_samples = 0;
639 1809 ret = discard_samples(avctx, frame, &discarded_samples);
640 }
641
3/4
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✗ Branch 1 not taken.
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✓ Branch 3 taken 11826 times.
 11828 if (ret == AVERROR(EAGAIN) || (frame->flags & AV_FRAME_FLAG_DISCARD)) {
642 2 av_frame_unref(frame);
643 2 continue;
644 }
645 }
646 24115 break;
647 }
648 } else
649 771162 ret = decode_simple_receive_frame(avctx, frame);
650
651
2/2
✓ Branch 0 taken 3463 times.
✓ Branch 1 taken 791814 times.
 795277 if (ret == AVERROR_EOF)
652 3463 avci->draining_done = 1;
653
654 795277 return ret;
655 }
656
657 794965 static int decode_receive_frame_internal(AVCodecContext *avctx, AVFrame *frame)
658 {
659 794965 AVCodecInternal *avci = avctx->internal;
660 794965 DecodeContext *dc = decode_ctx(avci);
661 int ret, ok;
662
663
2/2
✓ Branch 0 taken 832 times.
✓ Branch 1 taken 794133 times.
 794965 if (avctx->active_thread_type & FF_THREAD_FRAME)
664 832 ret = ff_thread_receive_frame(avctx, frame);
665 else
666 794133 ret = ff_decode_receive_frame_internal(avctx, frame);
667
668 /* preserve ret */
669 794965 ok = detect_colorspace(avctx, frame);
670
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 794965 times.
 794965 if (ok < 0) {
671 ✗ av_frame_unref(frame);
672 ✗ return ok;
673 }
674
675
2/2
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✓ Branch 1 taken 388598 times.
 794965 if (!ret) {
676
2/2
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✓ Branch 1 taken 261232 times.
 406367 if (avctx->codec_type == AVMEDIA_TYPE_VIDEO) {
677
2/2
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✓ Branch 1 taken 119865 times.
 145135 if (!frame->width)
678 25270 frame->width = avctx->width;
679
2/2
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✓ Branch 1 taken 119865 times.
 145135 if (!frame->height)
680 25270 frame->height = avctx->height;
681 }
682
683 406367 ret = fill_frame_props(avctx, frame);
684
1/2
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✓ Branch 1 taken 406367 times.
 406367 if (ret < 0) {
685 ✗ av_frame_unref(frame);
686 ✗ return ret;
687 }
688
689 #if FF_API_FRAME_KEY
690 FF_DISABLE_DEPRECATION_WARNINGS
691 406367 frame->key_frame = !!(frame->flags & AV_FRAME_FLAG_KEY);
692 FF_ENABLE_DEPRECATION_WARNINGS
693 #endif
694 #if FF_API_INTERLACED_FRAME
695 FF_DISABLE_DEPRECATION_WARNINGS
696 406367 frame->interlaced_frame = !!(frame->flags & AV_FRAME_FLAG_INTERLACED);
697 406367 frame->top_field_first = !!(frame->flags & AV_FRAME_FLAG_TOP_FIELD_FIRST);
698 FF_ENABLE_DEPRECATION_WARNINGS
699 #endif
700 406367 frame->best_effort_timestamp = guess_correct_pts(dc,
701 frame->pts,
702 frame->pkt_dts);
703
704 /* the only case where decode data is not set should be decoders
705 * that do not call ff_get_buffer() */
706
4/6
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 406367 av_assert0((frame->private_ref && frame->private_ref->size == sizeof(FrameDecodeData)) ||
707 !(avctx->codec->capabilities & AV_CODEC_CAP_DR1));
708
709
2/2
✓ Branch 0 taken 380380 times.
✓ Branch 1 taken 25987 times.
 406367 if (frame->private_ref) {
710 380380 FrameDecodeData *fdd = (FrameDecodeData*)frame->private_ref->data;
711
712
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 380380 times.
 380380 if (fdd->post_process) {
713 ✗ ret = fdd->post_process(avctx, frame);
714 ✗ if (ret < 0) {
715 ✗ av_frame_unref(frame);
716 ✗ return ret;
717 }
718 }
719 }
720 }
721
722 /* free the per-frame decode data */
723 794965 av_buffer_unref(&frame->private_ref);
724
725 794965 return ret;
726 }
727
728 391485 int attribute_align_arg avcodec_send_packet(AVCodecContext *avctx, const AVPacket *avpkt)
729 {
730 391485 AVCodecInternal *avci = avctx->internal;
731 391485 DecodeContext *dc = decode_ctx(avci);
732 int ret;
733
734
2/4
✓ Branch 1 taken 391485 times.
✗ Branch 2 not taken.
✗ Branch 4 not taken.
✓ Branch 5 taken 391485 times.
 391485 if (!avcodec_is_open(avctx) || !av_codec_is_decoder(avctx->codec))
735 ✗ return AVERROR(EINVAL);
736
737
2/2
✓ Branch 0 taken 30 times.
✓ Branch 1 taken 391455 times.
 391485 if (dc->draining_started)
738 30 return AVERROR_EOF;
739
740
5/6
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✓ Branch 3 taken 388050 times.
✗ Branch 4 not taken.
✓ Branch 5 taken 96 times.
 391455 if (avpkt && !avpkt->size && avpkt->data)
741 ✗ return AVERROR(EINVAL);
742
743
5/6
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✗ Branch 4 not taken.
✓ Branch 5 taken 96 times.
 391455 if (avpkt && (avpkt->data || avpkt->side_data_elems)) {
744
2/4
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✗ Branch 1 not taken.
✗ Branch 2 not taken.
✓ Branch 3 taken 388050 times.
 388050 if (!AVPACKET_IS_EMPTY(avci->buffer_pkt))
745 ✗ return AVERROR(EAGAIN);
746 388050 ret = av_packet_ref(avci->buffer_pkt, avpkt);
747
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 388050 times.
 388050 if (ret < 0)
748 ✗ return ret;
749 } else
750 3405 dc->draining_started = 1;
751
752
3/4
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✗ Branch 1 not taken.
✓ Branch 2 taken 388050 times.
✓ Branch 3 taken 3405 times.
 391455 if (!avci->buffer_frame->buf[0] && !dc->draining_started) {
753 388050 ret = decode_receive_frame_internal(avctx, avci->buffer_frame);
754
5/6
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✓ Branch 2 taken 641 times.
✓ Branch 3 taken 10889 times.
✓ Branch 4 taken 641 times.
✗ Branch 5 not taken.
 388050 if (ret < 0 && ret != AVERROR(EAGAIN) && ret != AVERROR_EOF)
755 641 return ret;
756 }
757
758 390814 return 0;
759 }
760
761 145135 static int apply_cropping(AVCodecContext *avctx, AVFrame *frame)
762 {
763 /* make sure we are noisy about decoders returning invalid cropping data */
764
1/2
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✗ Branch 1 not taken.
 145135 if (frame->crop_left >= INT_MAX - frame->crop_right ||
765
1/2
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✗ Branch 1 not taken.
 145135 frame->crop_top >= INT_MAX - frame->crop_bottom ||
766
1/2
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✗ Branch 1 not taken.
 145135 (frame->crop_left + frame->crop_right) >= frame->width ||
767
1/2
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✓ Branch 1 taken 145135 times.
 145135 (frame->crop_top + frame->crop_bottom) >= frame->height) {
768 ✗ av_log(avctx, AV_LOG_WARNING,
769 "Invalid cropping information set by a decoder: "
770 "%"SIZE_SPECIFIER"/%"SIZE_SPECIFIER"/%"SIZE_SPECIFIER"/%"SIZE_SPECIFIER" "
771 "(frame size %dx%d). This is a bug, please report it\n",
772 frame->crop_left, frame->crop_right, frame->crop_top, frame->crop_bottom,
773 frame->width, frame->height);
774 ✗ frame->crop_left = 0;
775 ✗ frame->crop_right = 0;
776 ✗ frame->crop_top = 0;
777 ✗ frame->crop_bottom = 0;
778 ✗ return 0;
779 }
780
781
2/2
✓ Branch 0 taken 137795 times.
✓ Branch 1 taken 7340 times.
 145135 if (!avctx->apply_cropping)
782 137795 return 0;
783
784 7340 return av_frame_apply_cropping(frame, avctx->flags & AV_CODEC_FLAG_UNALIGNED ?
785 AV_FRAME_CROP_UNALIGNED : 0);
786 }
787
788 // make sure frames returned to the caller are valid
789 406367 static int frame_validate(AVCodecContext *avctx, AVFrame *frame)
790 {
791
2/4
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✗ Branch 1 not taken.
✗ Branch 2 not taken.
✓ Branch 3 taken 406367 times.
 406367 if (!frame->buf[0] || frame->format < 0)
792 ✗ goto fail;
793
794
2/3
✓ Branch 0 taken 145135 times.
✓ Branch 1 taken 261232 times.
✗ Branch 2 not taken.
 406367 switch (avctx->codec_type) {
795 145135 case AVMEDIA_TYPE_VIDEO:
796
2/4
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✗ Branch 1 not taken.
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✓ Branch 3 taken 145135 times.
 145135 if (frame->width <= 0 || frame->height <= 0)
797 ✗ goto fail;
798 145135 break;
799 261232 case AVMEDIA_TYPE_AUDIO:
800
1/2
✓ Branch 1 taken 261232 times.
✗ Branch 2 not taken.
 261232 if (!av_channel_layout_check(&frame->ch_layout) ||
801
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 261232 times.
 261232 frame->sample_rate <= 0)
802 ✗ goto fail;
803
804 261232 break;
805 ✗ default: av_assert0(0);
806 }
807
808 406367 return 0;
809 ✗ fail:
810 ✗ av_log(avctx, AV_LOG_ERROR, "An invalid frame was output by a decoder. "
811 "This is a bug, please report it.\n");
812 ✗ return AVERROR_BUG;
813 }
814
815 783435 int ff_decode_receive_frame(AVCodecContext *avctx, AVFrame *frame)
816 {
817 783435 AVCodecInternal *avci = avctx->internal;
818 int ret;
819
820
2/4
✓ Branch 1 taken 783435 times.
✗ Branch 2 not taken.
✗ Branch 4 not taken.
✓ Branch 5 taken 783435 times.
 783435 if (!avcodec_is_open(avctx) || !av_codec_is_decoder(avctx->codec))
821 ✗ return AVERROR(EINVAL);
822
823
2/2
✓ Branch 0 taken 376520 times.
✓ Branch 1 taken 406915 times.
 783435 if (avci->buffer_frame->buf[0]) {
824 376520 av_frame_move_ref(frame, avci->buffer_frame);
825 } else {
826 406915 ret = decode_receive_frame_internal(avctx, frame);
827
2/2
✓ Branch 0 taken 377068 times.
✓ Branch 1 taken 29847 times.
 406915 if (ret < 0)
828 377068 return ret;
829 }
830
831 406367 ret = frame_validate(avctx, frame);
832
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 406367 times.
 406367 if (ret < 0)
833 ✗ goto fail;
834
835
2/2
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✓ Branch 1 taken 261232 times.
 406367 if (avctx->codec_type == AVMEDIA_TYPE_VIDEO) {
836 145135 ret = apply_cropping(avctx, frame);
837
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 145135 times.
 145135 if (ret < 0)
838 ✗ goto fail;
839 }
840
841 406367 avctx->frame_num++;
842
843 #if FF_API_DROPCHANGED
844
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 406367 times.
 406367 if (avctx->flags & AV_CODEC_FLAG_DROPCHANGED) {
845
846 ✗ if (avctx->frame_num == 1) {
847 ✗ avci->initial_format = frame->format;
848 ✗ switch(avctx->codec_type) {
849 ✗ case AVMEDIA_TYPE_VIDEO:
850 ✗ avci->initial_width = frame->width;
851 ✗ avci->initial_height = frame->height;
852 ✗ break;
853 ✗ case AVMEDIA_TYPE_AUDIO:
854 ✗ avci->initial_sample_rate = frame->sample_rate ? frame->sample_rate :
855 avctx->sample_rate;
856 ✗ ret = av_channel_layout_copy(&avci->initial_ch_layout, &frame->ch_layout);
857 ✗ if (ret < 0)
858 ✗ goto fail;
859 ✗ break;
860 }
861 }
862
863 ✗ if (avctx->frame_num > 1) {
864 ✗ int changed = avci->initial_format != frame->format;
865
866 ✗ switch(avctx->codec_type) {
867 ✗ case AVMEDIA_TYPE_VIDEO:
868 ✗ changed |= avci->initial_width != frame->width ||
869 ✗ avci->initial_height != frame->height;
870 ✗ break;
871 ✗ case AVMEDIA_TYPE_AUDIO:
872 ✗ changed |= avci->initial_sample_rate != frame->sample_rate ||
873 ✗ avci->initial_sample_rate != avctx->sample_rate ||
874 ✗ av_channel_layout_compare(&avci->initial_ch_layout, &frame->ch_layout);
875 ✗ break;
876 }
877
878 ✗ if (changed) {
879 ✗ avci->changed_frames_dropped++;
880 ✗ av_log(avctx, AV_LOG_INFO, "dropped changed frame #%"PRId64" pts %"PRId64
881 " drop count: %d \n",
882 avctx->frame_num, frame->pts,
883 avci->changed_frames_dropped);
884 ✗ ret = AVERROR_INPUT_CHANGED;
885 ✗ goto fail;
886 }
887 }
888 }
889 #endif
890 406367 return 0;
891 ✗ fail:
892 ✗ av_frame_unref(frame);
893 ✗ return ret;
894 }
895
896 1709 static void get_subtitle_defaults(AVSubtitle *sub)
897 {
898 1709 memset(sub, 0, sizeof(*sub));
899 1709 sub->pts = AV_NOPTS_VALUE;
900 1709 }
901
902 #define UTF8_MAX_BYTES 4 /* 5 and 6 bytes sequences should not be used */
903 1675 static int recode_subtitle(AVCodecContext *avctx, const AVPacket **outpkt,
904 const AVPacket *inpkt, AVPacket *buf_pkt)
905 {
906 #if CONFIG_ICONV
907 1675 iconv_t cd = (iconv_t)-1;
908 1675 int ret = 0;
909 char *inb, *outb;
910 size_t inl, outl;
911 #endif
912
913
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 1675 if (avctx->sub_charenc_mode != FF_SUB_CHARENC_MODE_PRE_DECODER || inpkt->size == 0) {
914 1582 *outpkt = inpkt;
915 1582 return 0;
916 }
917
918 #if CONFIG_ICONV
919 93 inb = inpkt->data;
920 93 inl = inpkt->size;
921
922
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 93 if (inl >= INT_MAX / UTF8_MAX_BYTES - AV_INPUT_BUFFER_PADDING_SIZE) {
923 ✗ av_log(avctx, AV_LOG_ERROR, "Subtitles packet is too big for recoding\n");
924 ✗ return AVERROR(ERANGE);
925 }
926
927 93 cd = iconv_open("UTF-8", avctx->sub_charenc);
928
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 93 av_assert0(cd != (iconv_t)-1);
929
930 93 ret = av_new_packet(buf_pkt, inl * UTF8_MAX_BYTES);
931
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 93 if (ret < 0)
932 ✗ goto end;
933 93 ret = av_packet_copy_props(buf_pkt, inpkt);
934
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 93 if (ret < 0)
935 ✗ goto end;
936 93 outb = buf_pkt->data;
937 93 outl = buf_pkt->size;
938
939
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 186 if (iconv(cd, &inb, &inl, &outb, &outl) == (size_t)-1 ||
940 93 iconv(cd, NULL, NULL, &outb, &outl) == (size_t)-1 ||
941
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 93 outl >= buf_pkt->size || inl != 0) {
942 ✗ ret = FFMIN(AVERROR(errno), -1);
943 ✗ av_log(avctx, AV_LOG_ERROR, "Unable to recode subtitle event \"%s\" "
944 ✗ "from %s to UTF-8\n", inpkt->data, avctx->sub_charenc);
945 ✗ goto end;
946 }
947 93 buf_pkt->size -= outl;
948 93 memset(buf_pkt->data + buf_pkt->size, 0, outl);
949 93 *outpkt = buf_pkt;
950
951 93 ret = 0;
952 93 end:
953
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 93 if (ret < 0)
954 ✗ av_packet_unref(buf_pkt);
955
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 93 if (cd != (iconv_t)-1)
956 93 iconv_close(cd);
957 93 return ret;
958 #else
959 av_log(avctx, AV_LOG_ERROR, "requesting subtitles recoding without iconv");
960 return AVERROR(EINVAL);
961 #endif
962 }
963
964 700 static int utf8_check(const uint8_t *str)
965 {
966 const uint8_t *byte;
967 uint32_t codepoint, min;
968
969
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 61770 while (*str) {
970 61070 byte = str;
971
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 63868 GET_UTF8(codepoint, *(byte++), return 0;);
972
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 61777 min = byte - str == 1 ? 0 : byte - str == 2 ? 0x80 :
973 707 1 << (5 * (byte - str) - 4);
974
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 61070 if (codepoint < min || codepoint >= 0x110000 ||
975
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 61070 codepoint == 0xFFFE /* BOM */ ||
976 ✗ codepoint >= 0xD800 && codepoint <= 0xDFFF /* surrogates */)
977 ✗ return 0;
978 61070 str = byte;
979 }
980 700 return 1;
981 }
982
983 1709 int avcodec_decode_subtitle2(AVCodecContext *avctx, AVSubtitle *sub,
984 int *got_sub_ptr, const AVPacket *avpkt)
985 {
986 1709 int ret = 0;
987
988
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 1709 if (!avpkt->data && avpkt->size) {
989 ✗ av_log(avctx, AV_LOG_ERROR, "invalid packet: NULL data, size != 0\n");
990 ✗ return AVERROR(EINVAL);
991 }
992
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 1709 if (!avctx->codec)
993 ✗ return AVERROR(EINVAL);
994
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 1709 if (ffcodec(avctx->codec)->cb_type != FF_CODEC_CB_TYPE_DECODE_SUB) {
995 ✗ av_log(avctx, AV_LOG_ERROR, "Codec not subtitle decoder\n");
996 ✗ return AVERROR(EINVAL);
997 }
998
999 1709 *got_sub_ptr = 0;
1000 1709 get_subtitle_defaults(sub);
1001
1002
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 1709 if ((avctx->codec->capabilities & AV_CODEC_CAP_DELAY) || avpkt->size) {
1003 1675 AVCodecInternal *avci = avctx->internal;
1004 const AVPacket *pkt;
1005
1006 1675 ret = recode_subtitle(avctx, &pkt, avpkt, avci->buffer_pkt);
1007
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 1675 if (ret < 0)
1008 79 return ret;
1009
1010
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 1675 if (avctx->pkt_timebase.num && avpkt->pts != AV_NOPTS_VALUE)
1011 1665 sub->pts = av_rescale_q(avpkt->pts,
1012 1665 avctx->pkt_timebase, AV_TIME_BASE_Q);
1013 1675 ret = ffcodec(avctx->codec)->cb.decode_sub(avctx, sub, got_sub_ptr, pkt);
1014
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 1675 if (pkt == avci->buffer_pkt) // did we recode?
1015 93 av_packet_unref(avci->buffer_pkt);
1016
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 1675 if (ret < 0) {
1017 79 *got_sub_ptr = 0;
1018 79 avsubtitle_free(sub);
1019 79 return ret;
1020 }
1021 av_assert1(!sub->num_rects || *got_sub_ptr);
1022
1023
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 1596 if (sub->num_rects && !sub->end_display_time && avpkt->duration &&
1024
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 528 avctx->pkt_timebase.num) {
1025 528 AVRational ms = { 1, 1000 };
1026 528 sub->end_display_time = av_rescale_q(avpkt->duration,
1027 avctx->pkt_timebase, ms);
1028 }
1029
1030
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 1596 if (avctx->codec_descriptor->props & AV_CODEC_PROP_BITMAP_SUB)
1031 156 sub->format = 0;
1032
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 1440 else if (avctx->codec_descriptor->props & AV_CODEC_PROP_TEXT_SUB)
1033 1440 sub->format = 1;
1034
1035
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 2455 for (unsigned i = 0; i < sub->num_rects; i++) {
1036
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 859 if (avctx->sub_charenc_mode != FF_SUB_CHARENC_MODE_IGNORE &&
1037
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 859 sub->rects[i]->ass && !utf8_check(sub->rects[i]->ass)) {
1038 ✗ av_log(avctx, AV_LOG_ERROR,
1039 "Invalid UTF-8 in decoded subtitles text; "
1040 "maybe missing -sub_charenc option\n");
1041 ✗ avsubtitle_free(sub);
1042 ✗ *got_sub_ptr = 0;
1043 ✗ return AVERROR_INVALIDDATA;
1044 }
1045 }
1046
1047
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 1596 if (*got_sub_ptr)
1048 835 avctx->frame_num++;
1049 }
1050
1051 1630 return ret;
1052 }
1053
1054 1557 enum AVPixelFormat avcodec_default_get_format(struct AVCodecContext *avctx,
1055 const enum AVPixelFormat *fmt)
1056 {
1057 const AVPixFmtDescriptor *desc;
1058 const AVCodecHWConfig *config;
1059 int i, n;
1060
1061 // If a device was supplied when the codec was opened, assume that the
1062 // user wants to use it.
1063
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 1557 if (avctx->hw_device_ctx && ffcodec(avctx->codec)->hw_configs) {
1064 ✗ AVHWDeviceContext *device_ctx =
1065 ✗ (AVHWDeviceContext*)avctx->hw_device_ctx->data;
1066 ✗ for (i = 0;; i++) {
1067 ✗ config = &ffcodec(avctx->codec)->hw_configs[i]->public;
1068 ✗ if (!config)
1069 ✗ break;
1070 ✗ if (!(config->methods &
1071 AV_CODEC_HW_CONFIG_METHOD_HW_DEVICE_CTX))
1072 ✗ continue;
1073 ✗ if (device_ctx->type != config->device_type)
1074 ✗ continue;
1075 ✗ for (n = 0; fmt[n] != AV_PIX_FMT_NONE; n++) {
1076 ✗ if (config->pix_fmt == fmt[n])
1077 ✗ return fmt[n];
1078 }
1079 }
1080 }
1081 // No device or other setup, so we have to choose from things which
1082 // don't any other external information.
1083
1084 // If the last element of the list is a software format, choose it
1085 // (this should be best software format if any exist).
1086
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 5559 for (n = 0; fmt[n] != AV_PIX_FMT_NONE; n++);
1087 1557 desc = av_pix_fmt_desc_get(fmt[n - 1]);
1088
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 1557 if (!(desc->flags & AV_PIX_FMT_FLAG_HWACCEL))
1089 1557 return fmt[n - 1];
1090
1091 // Finally, traverse the list in order and choose the first entry
1092 // with no external dependencies (if there is no hardware configuration
1093 // information available then this just picks the first entry).
1094 ✗ for (n = 0; fmt[n] != AV_PIX_FMT_NONE; n++) {
1095 ✗ for (i = 0;; i++) {
1096 ✗ config = avcodec_get_hw_config(avctx->codec, i);
1097 ✗ if (!config)
1098 ✗ break;
1099 ✗ if (config->pix_fmt == fmt[n])
1100 ✗ break;
1101 }
1102 ✗ if (!config) {
1103 // No specific config available, so the decoder must be able
1104 // to handle this format without any additional setup.
1105 ✗ return fmt[n];
1106 }
1107 ✗ if (config->methods & AV_CODEC_HW_CONFIG_METHOD_INTERNAL) {
1108 // Usable with only internal setup.
1109 ✗ return fmt[n];
1110 }
1111 }
1112
1113 // Nothing is usable, give up.
1114 ✗ return AV_PIX_FMT_NONE;
1115 }
1116
1117 ✗ int ff_decode_get_hw_frames_ctx(AVCodecContext *avctx,
1118 enum AVHWDeviceType dev_type)
1119 {
1120 AVHWDeviceContext *device_ctx;
1121 AVHWFramesContext *frames_ctx;
1122 int ret;
1123
1124 ✗ if (!avctx->hwaccel)
1125 ✗ return AVERROR(ENOSYS);
1126
1127 ✗ if (avctx->hw_frames_ctx)
1128 ✗ return 0;
1129 ✗ if (!avctx->hw_device_ctx) {
1130 ✗ av_log(avctx, AV_LOG_ERROR, "A hardware frames or device context is "
1131 "required for hardware accelerated decoding.\n");
1132 ✗ return AVERROR(EINVAL);
1133 }
1134
1135 ✗ device_ctx = (AVHWDeviceContext *)avctx->hw_device_ctx->data;
1136 ✗ if (device_ctx->type != dev_type) {
1137 ✗ av_log(avctx, AV_LOG_ERROR, "Device type %s expected for hardware "
1138 "decoding, but got %s.\n", av_hwdevice_get_type_name(dev_type),
1139 av_hwdevice_get_type_name(device_ctx->type));
1140 ✗ return AVERROR(EINVAL);
1141 }
1142
1143 ✗ ret = avcodec_get_hw_frames_parameters(avctx,
1144 avctx->hw_device_ctx,
1145 ✗ avctx->hwaccel->pix_fmt,
1146 &avctx->hw_frames_ctx);
1147 ✗ if (ret < 0)
1148 ✗ return ret;
1149
1150 ✗ frames_ctx = (AVHWFramesContext*)avctx->hw_frames_ctx->data;
1151
1152
1153 ✗ if (frames_ctx->initial_pool_size) {
1154 // We guarantee 4 base work surfaces. The function above guarantees 1
1155 // (the absolute minimum), so add the missing count.
1156 ✗ frames_ctx->initial_pool_size += 3;
1157 }
1158
1159 ✗ ret = av_hwframe_ctx_init(avctx->hw_frames_ctx);
1160 ✗ if (ret < 0) {
1161 ✗ av_buffer_unref(&avctx->hw_frames_ctx);
1162 ✗ return ret;
1163 }
1164
1165 ✗ return 0;
1166 }
1167
1168 ✗ int avcodec_get_hw_frames_parameters(AVCodecContext *avctx,
1169 AVBufferRef *device_ref,
1170 enum AVPixelFormat hw_pix_fmt,
1171 AVBufferRef **out_frames_ref)
1172 {
1173 ✗ AVBufferRef *frames_ref = NULL;
1174 const AVCodecHWConfigInternal *hw_config;
1175 const FFHWAccel *hwa;
1176 int i, ret;
1177 ✗ bool clean_priv_data = false;
1178
1179 ✗ for (i = 0;; i++) {
1180 ✗ hw_config = ffcodec(avctx->codec)->hw_configs[i];
1181 ✗ if (!hw_config)
1182 ✗ return AVERROR(ENOENT);
1183 ✗ if (hw_config->public.pix_fmt == hw_pix_fmt)
1184 ✗ break;
1185 }
1186
1187 ✗ hwa = hw_config->hwaccel;
1188 ✗ if (!hwa || !hwa->frame_params)
1189 ✗ return AVERROR(ENOENT);
1190
1191 ✗ frames_ref = av_hwframe_ctx_alloc(device_ref);
1192 ✗ if (!frames_ref)
1193 ✗ return AVERROR(ENOMEM);
1194
1195 ✗ if (!avctx->internal->hwaccel_priv_data) {
1196 ✗ avctx->internal->hwaccel_priv_data =
1197 ✗ av_mallocz(hwa->priv_data_size);
1198 ✗ if (!avctx->internal->hwaccel_priv_data) {
1199 ✗ av_buffer_unref(&frames_ref);
1200 ✗ return AVERROR(ENOMEM);
1201 }
1202 ✗ clean_priv_data = true;
1203 }
1204
1205 ✗ ret = hwa->frame_params(avctx, frames_ref);
1206 ✗ if (ret >= 0) {
1207 ✗ AVHWFramesContext *frames_ctx = (AVHWFramesContext*)frames_ref->data;
1208
1209 ✗ if (frames_ctx->initial_pool_size) {
1210 // If the user has requested that extra output surfaces be
1211 // available then add them here.
1212 ✗ if (avctx->extra_hw_frames > 0)
1213 ✗ frames_ctx->initial_pool_size += avctx->extra_hw_frames;
1214
1215 // If frame threading is enabled then an extra surface per thread
1216 // is also required.
1217 ✗ if (avctx->active_thread_type & FF_THREAD_FRAME)
1218 ✗ frames_ctx->initial_pool_size += avctx->thread_count;
1219 }
1220
1221 ✗ *out_frames_ref = frames_ref;
1222 } else {
1223 ✗ if (clean_priv_data)
1224 ✗ av_freep(&avctx->internal->hwaccel_priv_data);
1225 ✗ av_buffer_unref(&frames_ref);
1226 }
1227 ✗ return ret;
1228 }
1229
1230 ✗ static int hwaccel_init(AVCodecContext *avctx,
1231 const FFHWAccel *hwaccel)
1232 {
1233 int err;
1234
1235 ✗ if (hwaccel->p.capabilities & AV_HWACCEL_CODEC_CAP_EXPERIMENTAL &&
1236 ✗ avctx->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
1237 ✗ av_log(avctx, AV_LOG_WARNING, "Ignoring experimental hwaccel: %s\n",
1238 ✗ hwaccel->p.name);
1239 ✗ return AVERROR_PATCHWELCOME;
1240 }
1241
1242 ✗ if (!avctx->internal->hwaccel_priv_data && hwaccel->priv_data_size) {
1243 ✗ avctx->internal->hwaccel_priv_data =
1244 ✗ av_mallocz(hwaccel->priv_data_size);
1245 ✗ if (!avctx->internal->hwaccel_priv_data)
1246 ✗ return AVERROR(ENOMEM);
1247 }
1248
1249 ✗ avctx->hwaccel = &hwaccel->p;
1250 ✗ if (hwaccel->init) {
1251 ✗ err = hwaccel->init(avctx);
1252 ✗ if (err < 0) {
1253 ✗ av_log(avctx, AV_LOG_ERROR, "Failed setup for format %s: "
1254 "hwaccel initialisation returned error.\n",
1255 ✗ av_get_pix_fmt_name(hwaccel->p.pix_fmt));
1256 ✗ av_freep(&avctx->internal->hwaccel_priv_data);
1257 ✗ avctx->hwaccel = NULL;
1258 ✗ return err;
1259 }
1260 }
1261
1262 ✗ return 0;
1263 }
1264
1265 38689 void ff_hwaccel_uninit(AVCodecContext *avctx)
1266 {
1267
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 38689 if (FF_HW_HAS_CB(avctx, uninit))
1268 ✗ FF_HW_SIMPLE_CALL(avctx, uninit);
1269
1270 38689 av_freep(&avctx->internal->hwaccel_priv_data);
1271
1272 38689 avctx->hwaccel = NULL;
1273
1274 38689 av_buffer_unref(&avctx->hw_frames_ctx);
1275 38689 }
1276
1277 2549 int ff_get_format(AVCodecContext *avctx, const enum AVPixelFormat *fmt)
1278 {
1279 const AVPixFmtDescriptor *desc;
1280 enum AVPixelFormat *choices;
1281 enum AVPixelFormat ret, user_choice;
1282 const AVCodecHWConfigInternal *hw_config;
1283 const AVCodecHWConfig *config;
1284 int i, n, err;
1285
1286 // Find end of list.
1287
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 9252 for (n = 0; fmt[n] != AV_PIX_FMT_NONE; n++);
1288 // Must contain at least one entry.
1289
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 2549 av_assert0(n >= 1);
1290 // If a software format is available, it must be the last entry.
1291 2549 desc = av_pix_fmt_desc_get(fmt[n - 1]);
1292
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 2549 if (desc->flags & AV_PIX_FMT_FLAG_HWACCEL) {
1293 // No software format is available.
1294 } else {
1295 2549 avctx->sw_pix_fmt = fmt[n - 1];
1296 }
1297
1298 2549 choices = av_memdup(fmt, (n + 1) * sizeof(*choices));
1299
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 2549 if (!choices)
1300 ✗ return AV_PIX_FMT_NONE;
1301
1302 for (;;) {
1303 // Remove the previous hwaccel, if there was one.
1304 2549 ff_hwaccel_uninit(avctx);
1305
1306 2549 user_choice = avctx->get_format(avctx, choices);
1307
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 2549 if (user_choice == AV_PIX_FMT_NONE) {
1308 // Explicitly chose nothing, give up.
1309 ✗ ret = AV_PIX_FMT_NONE;
1310 ✗ break;
1311 }
1312
1313 2549 desc = av_pix_fmt_desc_get(user_choice);
1314
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 2549 if (!desc) {
1315 ✗ av_log(avctx, AV_LOG_ERROR, "Invalid format returned by "
1316 "get_format() callback.\n");
1317 ✗ ret = AV_PIX_FMT_NONE;
1318 ✗ break;
1319 }
1320 2549 av_log(avctx, AV_LOG_DEBUG, "Format %s chosen by get_format().\n",
1321 2549 desc->name);
1322
1323
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 6703 for (i = 0; i < n; i++) {
1324
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 6703 if (choices[i] == user_choice)
1325 2549 break;
1326 }
1327
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 2549 if (i == n) {
1328 ✗ av_log(avctx, AV_LOG_ERROR, "Invalid return from get_format(): "
1329 ✗ "%s not in possible list.\n", desc->name);
1330 ✗ ret = AV_PIX_FMT_NONE;
1331 ✗ break;
1332 }
1333
1334
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 2549 if (ffcodec(avctx->codec)->hw_configs) {
1335 2502 for (i = 0;; i++) {
1336 6855 hw_config = ffcodec(avctx->codec)->hw_configs[i];
1337
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 6855 if (!hw_config)
1338 2502 break;
1339
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 4353 if (hw_config->public.pix_fmt == user_choice)
1340 ✗ break;
1341 }
1342 } else {
1343 47 hw_config = NULL;
1344 }
1345
1346
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 2549 if (!hw_config) {
1347 // No config available, so no extra setup required.
1348 2549 ret = user_choice;
1349 2549 break;
1350 }
1351 ✗ config = &hw_config->public;
1352
1353 ✗ if (config->methods &
1354 ✗ AV_CODEC_HW_CONFIG_METHOD_HW_FRAMES_CTX &&
1355 ✗ avctx->hw_frames_ctx) {
1356 ✗ const AVHWFramesContext *frames_ctx =
1357 ✗ (AVHWFramesContext*)avctx->hw_frames_ctx->data;
1358 ✗ if (frames_ctx->format != user_choice) {
1359 ✗ av_log(avctx, AV_LOG_ERROR, "Invalid setup for format %s: "
1360 "does not match the format of the provided frames "
1361 ✗ "context.\n", desc->name);
1362 ✗ goto try_again;
1363 }
1364 ✗ } else if (config->methods &
1365 ✗ AV_CODEC_HW_CONFIG_METHOD_HW_DEVICE_CTX &&
1366 ✗ avctx->hw_device_ctx) {
1367 ✗ const AVHWDeviceContext *device_ctx =
1368 ✗ (AVHWDeviceContext*)avctx->hw_device_ctx->data;
1369 ✗ if (device_ctx->type != config->device_type) {
1370 ✗ av_log(avctx, AV_LOG_ERROR, "Invalid setup for format %s: "
1371 "does not match the type of the provided device "
1372 ✗ "context.\n", desc->name);
1373 ✗ goto try_again;
1374 }
1375 ✗ } else if (config->methods &
1376 AV_CODEC_HW_CONFIG_METHOD_INTERNAL) {
1377 // Internal-only setup, no additional configuration.
1378 ✗ } else if (config->methods &
1379 AV_CODEC_HW_CONFIG_METHOD_AD_HOC) {
1380 // Some ad-hoc configuration we can't see and can't check.
1381 } else {
1382 ✗ av_log(avctx, AV_LOG_ERROR, "Invalid setup for format %s: "
1383 ✗ "missing configuration.\n", desc->name);
1384 ✗ goto try_again;
1385 }
1386 ✗ if (hw_config->hwaccel) {
1387 ✗ av_log(avctx, AV_LOG_DEBUG, "Format %s requires hwaccel %s "
1388 ✗ "initialisation.\n", desc->name, hw_config->hwaccel->p.name);
1389 ✗ err = hwaccel_init(avctx, hw_config->hwaccel);
1390 ✗ if (err < 0)
1391 ✗ goto try_again;
1392 }
1393 ✗ ret = user_choice;
1394 ✗ break;
1395
1396 ✗ try_again:
1397 ✗ av_log(avctx, AV_LOG_DEBUG, "Format %s not usable, retrying "
1398 ✗ "get_format() without it.\n", desc->name);
1399 ✗ for (i = 0; i < n; i++) {
1400 ✗ if (choices[i] == user_choice)
1401 ✗ break;
1402 }
1403 ✗ for (; i + 1 < n; i++)
1404 ✗ choices[i] = choices[i + 1];
1405 ✗ --n;
1406 }
1407
1408
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 2549 times.
 2549 if (ret < 0)
1409 ✗ ff_hwaccel_uninit(avctx);
1410
1411 2549 av_freep(&choices);
1412 2549 return ret;
1413 }
1414
1415 static const AVPacketSideData*
1416 9810432 packet_side_data_get(const AVPacketSideData *sd, int nb_sd,
1417 enum AVPacketSideDataType type)
1418 {
1419
2/2
✓ Branch 0 taken 135076 times.
✓ Branch 1 taken 9807903 times.
 9942979 for (int i = 0; i < nb_sd; i++)
1420
2/2
✓ Branch 0 taken 2529 times.
✓ Branch 1 taken 132547 times.
 135076 if (sd[i].type == type)
1421 2529 return &sd[i];
1422
1423 9807903 return NULL;
1424 }
1425
1426 480 const AVPacketSideData *ff_get_coded_side_data(const AVCodecContext *avctx,
1427 enum AVPacketSideDataType type)
1428 {
1429 480 return packet_side_data_get(avctx->coded_side_data, avctx->nb_coded_side_data, type);
1430 }
1431
1432 22 static int side_data_stereo3d_merge(AVFrameSideData *sd_frame,
1433 const AVPacketSideData *sd_pkt)
1434 {
1435 const AVStereo3D *src;
1436 AVStereo3D *dst;
1437 int ret;
1438
1439 22 ret = av_buffer_make_writable(&sd_frame->buf);
1440
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 22 times.
 22 if (ret < 0)
1441 ✗ return ret;
1442 22 sd_frame->data = sd_frame->buf->data;
1443
1444 22 dst = ( AVStereo3D*)sd_frame->data;
1445 22 src = (const AVStereo3D*)sd_pkt->data;
1446
1447
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 22 times.
 22 if (dst->type == AV_STEREO3D_UNSPEC)
1448 ✗ dst->type = src->type;
1449
1450
1/2
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✓ Branch 1 taken 22 times.
 22 if (dst->view == AV_STEREO3D_VIEW_UNSPEC)
1451 ✗ dst->view = src->view;
1452
1453
1/2
✓ Branch 0 taken 22 times.
✗ Branch 1 not taken.
 22 if (dst->primary_eye == AV_PRIMARY_EYE_NONE)
1454 22 dst->primary_eye = src->primary_eye;
1455
1456
1/2
✓ Branch 0 taken 22 times.
✗ Branch 1 not taken.
 22 if (!dst->baseline)
1457 22 dst->baseline = src->baseline;
1458
1459
1/2
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✗ Branch 1 not taken.
 22 if (!dst->horizontal_disparity_adjustment.num)
1460 22 dst->horizontal_disparity_adjustment = src->horizontal_disparity_adjustment;
1461
1462
1/2
✓ Branch 0 taken 22 times.
✗ Branch 1 not taken.
 22 if (!dst->horizontal_field_of_view.num)
1463 22 dst->horizontal_field_of_view = src->horizontal_field_of_view;
1464
1465 22 return 0;
1466 }
1467
1468 1226244 static int side_data_map(AVFrame *dst,
1469 const AVPacketSideData *sd_src, int nb_sd_src,
1470 const SideDataMap *map)
1471
1472 {
1473
2/2
✓ Branch 0 taken 9809952 times.
✓ Branch 1 taken 1226244 times.
 11036196 for (int i = 0; map[i].packet < AV_PKT_DATA_NB; i++) {
1474 9809952 const enum AVPacketSideDataType type_pkt = map[i].packet;
1475 9809952 const enum AVFrameSideDataType type_frame = map[i].frame;
1476 const AVPacketSideData *sd_pkt;
1477 AVFrameSideData *sd_frame;
1478
1479 9809952 sd_pkt = packet_side_data_get(sd_src, nb_sd_src, type_pkt);
1480
2/2
✓ Branch 0 taken 9807434 times.
✓ Branch 1 taken 2518 times.
 9809952 if (!sd_pkt)
1481 9807434 continue;
1482
1483 2518 sd_frame = av_frame_get_side_data(dst, type_frame);
1484
2/2
✓ Branch 0 taken 22 times.
✓ Branch 1 taken 2496 times.
 2518 if (sd_frame) {
1485
1/2
✓ Branch 0 taken 22 times.
✗ Branch 1 not taken.
 22 if (type_frame == AV_FRAME_DATA_STEREO3D) {
1486 22 int ret = side_data_stereo3d_merge(sd_frame, sd_pkt);
1487
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 22 times.
 22 if (ret < 0)
1488 ✗ return ret;
1489 }
1490
1491 22 continue;
1492 }
1493
1494 2496 sd_frame = av_frame_new_side_data(dst, type_frame, sd_pkt->size);
1495
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 2496 times.
 2496 if (!sd_frame)
1496 ✗ return AVERROR(ENOMEM);
1497
1498 2496 memcpy(sd_frame->data, sd_pkt->data, sd_pkt->size);
1499 }
1500
1501 1226244 return 0;
1502 }
1503
1504 408748 static int add_metadata_from_side_data(const AVPacket *avpkt, AVFrame *frame)
1505 {
1506 size_t size;
1507 const uint8_t *side_metadata;
1508
1509 408748 AVDictionary **frame_md = &frame->metadata;
1510
1511 408748 side_metadata = av_packet_get_side_data(avpkt,
1512 AV_PKT_DATA_STRINGS_METADATA, &size);
1513 408748 return av_packet_unpack_dictionary(side_metadata, size, frame_md);
1514 }
1515
1516 408748 int ff_decode_frame_props_from_pkt(const AVCodecContext *avctx,
1517 AVFrame *frame, const AVPacket *pkt)
1518 {
1519 static const SideDataMap sd[] = {
1520 { AV_PKT_DATA_A53_CC, AV_FRAME_DATA_A53_CC },
1521 { AV_PKT_DATA_AFD, AV_FRAME_DATA_AFD },
1522 { AV_PKT_DATA_DYNAMIC_HDR10_PLUS, AV_FRAME_DATA_DYNAMIC_HDR_PLUS },
1523 { AV_PKT_DATA_S12M_TIMECODE, AV_FRAME_DATA_S12M_TIMECODE },
1524 { AV_PKT_DATA_SKIP_SAMPLES, AV_FRAME_DATA_SKIP_SAMPLES },
1525 { AV_PKT_DATA_LCEVC, AV_FRAME_DATA_LCEVC },
1526 { AV_PKT_DATA_NB }
1527 };
1528
1529 408748 int ret = 0;
1530
1531 408748 frame->pts = pkt->pts;
1532 408748 frame->duration = pkt->duration;
1533 #if FF_API_FRAME_PKT
1534 FF_DISABLE_DEPRECATION_WARNINGS
1535 408748 frame->pkt_pos = pkt->pos;
1536 408748 frame->pkt_size = pkt->size;
1537 FF_ENABLE_DEPRECATION_WARNINGS
1538 #endif
1539
1540 408748 ret = side_data_map(frame, pkt->side_data, pkt->side_data_elems, ff_sd_global_map);
1541
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 408748 times.
 408748 if (ret < 0)
1542 ✗ return ret;
1543
1544 408748 ret = side_data_map(frame, pkt->side_data, pkt->side_data_elems, sd);
1545
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 408748 times.
 408748 if (ret < 0)
1546 ✗ return ret;
1547
1548 408748 add_metadata_from_side_data(pkt, frame);
1549
1550
2/2
✓ Branch 0 taken 209 times.
✓ Branch 1 taken 408539 times.
 408748 if (pkt->flags & AV_PKT_FLAG_DISCARD) {
1551 209 frame->flags |= AV_FRAME_FLAG_DISCARD;
1552 }
1553
1554
2/2
✓ Branch 0 taken 397197 times.
✓ Branch 1 taken 11551 times.
 408748 if (avctx->flags & AV_CODEC_FLAG_COPY_OPAQUE) {
1555 397197 int ret = av_buffer_replace(&frame->opaque_ref, pkt->opaque_ref);
1556
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 397197 times.
 397197 if (ret < 0)
1557 ✗ return ret;
1558 397197 frame->opaque = pkt->opaque;
1559 }
1560
1561 408748 return 0;
1562 }
1563
1564 408748 int ff_decode_frame_props(AVCodecContext *avctx, AVFrame *frame)
1565 {
1566 int ret;
1567
1568 408748 ret = side_data_map(frame, avctx->coded_side_data, avctx->nb_coded_side_data,
1569 ff_sd_global_map);
1570
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 408748 times.
 408748 if (ret < 0)
1571 ✗ return ret;
1572
1573
1/2
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✗ Branch 2 not taken.
 408748 if (!(ffcodec(avctx->codec)->caps_internal & FF_CODEC_CAP_SETS_FRAME_PROPS)) {
1574 408748 const AVPacket *pkt = avctx->internal->last_pkt_props;
1575
1576 408748 ret = ff_decode_frame_props_from_pkt(avctx, frame, pkt);
1577
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 408748 times.
 408748 if (ret < 0)
1578 ✗ return ret;
1579 #if FF_API_FRAME_PKT
1580 FF_DISABLE_DEPRECATION_WARNINGS
1581 408748 frame->pkt_size = pkt->stream_index;
1582 FF_ENABLE_DEPRECATION_WARNINGS
1583 #endif
1584 }
1585
1586 408748 ret = fill_frame_props(avctx, frame);
1587
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 408748 times.
 408748 if (ret < 0)
1588 ✗ return ret;
1589
1590
2/2
✓ Branch 0 taken 147279 times.
✓ Branch 1 taken 261469 times.
 408748 switch (avctx->codec->type) {
1591 147279 case AVMEDIA_TYPE_VIDEO:
1592
4/6
✓ Branch 0 taken 122009 times.
✓ Branch 1 taken 25270 times.
✓ Branch 2 taken 122009 times.
✗ Branch 3 not taken.
✗ Branch 4 not taken.
✓ Branch 5 taken 122009 times.
 269288 if (frame->width && frame->height &&
1593 122009 av_image_check_sar(frame->width, frame->height,
1594 frame->sample_aspect_ratio) < 0) {
1595 ✗ av_log(avctx, AV_LOG_WARNING, "ignoring invalid SAR: %u/%u\n",
1596 frame->sample_aspect_ratio.num,
1597 frame->sample_aspect_ratio.den);
1598 ✗ frame->sample_aspect_ratio = (AVRational){ 0, 1 };
1599 }
1600 147279 break;
1601 }
1602 408748 return 0;
1603 }
1604
1605 381996 static void validate_avframe_allocation(AVCodecContext *avctx, AVFrame *frame)
1606 {
1607
2/2
✓ Branch 0 taken 120527 times.
✓ Branch 1 taken 261469 times.
 381996 if (avctx->codec_type == AVMEDIA_TYPE_VIDEO) {
1608 int i;
1609 120527 int num_planes = av_pix_fmt_count_planes(frame->format);
1610 120527 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(frame->format);
1611
1/2
✓ Branch 0 taken 120527 times.
✗ Branch 1 not taken.
 120527 int flags = desc ? desc->flags : 0;
1612
4/4
✓ Branch 0 taken 13696 times.
✓ Branch 1 taken 106831 times.
✓ Branch 2 taken 4275 times.
✓ Branch 3 taken 9421 times.
 120527 if (num_planes == 1 && (flags & AV_PIX_FMT_FLAG_PAL))
1613 4275 num_planes = 2;
1614
2/2
✓ Branch 0 taken 339155 times.
✓ Branch 1 taken 120527 times.
 459682 for (i = 0; i < num_planes; i++) {
1615
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 339155 times.
 339155 av_assert0(frame->data[i]);
1616 }
1617 // For formats without data like hwaccel allow unused pointers to be non-NULL.
1618
3/4
✓ Branch 0 taken 745588 times.
✗ Branch 1 not taken.
✓ Branch 2 taken 625061 times.
✓ Branch 3 taken 120527 times.
 745588 for (i = num_planes; num_planes > 0 && i < FF_ARRAY_ELEMS(frame->data); i++) {
1619
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 625061 times.
 625061 if (frame->data[i])
1620 ✗ av_log(avctx, AV_LOG_ERROR, "Buffer returned by get_buffer2() did not zero unused plane pointers\n");
1621 625061 frame->data[i] = NULL;
1622 }
1623 }
1624 381996 }
1625
1626 381996 static void decode_data_free(void *opaque, uint8_t *data)
1627 {
1628 381996 FrameDecodeData *fdd = (FrameDecodeData*)data;
1629
1630
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 381996 times.
 381996 if (fdd->post_process_opaque_free)
1631 ✗ fdd->post_process_opaque_free(fdd->post_process_opaque);
1632
1633
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 381996 times.
 381996 if (fdd->hwaccel_priv_free)
1634 ✗ fdd->hwaccel_priv_free(fdd->hwaccel_priv);
1635
1636 381996 av_freep(&fdd);
1637 381996 }
1638
1639 381996 int ff_attach_decode_data(AVFrame *frame)
1640 {
1641 AVBufferRef *fdd_buf;
1642 FrameDecodeData *fdd;
1643
1644 av_assert1(!frame->private_ref);
1645 381996 av_buffer_unref(&frame->private_ref);
1646
1647 381996 fdd = av_mallocz(sizeof(*fdd));
1648
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 381996 times.
 381996 if (!fdd)
1649 ✗ return AVERROR(ENOMEM);
1650
1651 381996 fdd_buf = av_buffer_create((uint8_t*)fdd, sizeof(*fdd), decode_data_free,
1652 NULL, AV_BUFFER_FLAG_READONLY);
1653
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 381996 times.
 381996 if (!fdd_buf) {
1654 ✗ av_freep(&fdd);
1655 ✗ return AVERROR(ENOMEM);
1656 }
1657
1658 381996 frame->private_ref = fdd_buf;
1659
1660 381996 return 0;
1661 }
1662
1663 381996 static void update_frame_props(AVCodecContext *avctx, AVFrame *frame)
1664 {
1665 381996 AVCodecInternal *avci = avctx->internal;
1666 381996 DecodeContext *dc = decode_ctx(avci);
1667
1668
1/6
✗ Branch 0 not taken.
✓ Branch 1 taken 381996 times.
✗ Branch 2 not taken.
✗ Branch 3 not taken.
✗ Branch 4 not taken.
✗ Branch 5 not taken.
 381996 dc->lcevc_frame = dc->lcevc && avctx->codec_type == AVMEDIA_TYPE_VIDEO &&
1669 ✗ av_frame_get_side_data(frame, AV_FRAME_DATA_LCEVC);
1670
1671
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 381996 times.
 381996 if (dc->lcevc_frame) {
1672 ✗ dc->width = frame->width;
1673 ✗ dc->height = frame->height;
1674 ✗ frame->width = frame->width * 2 / FFMAX(frame->sample_aspect_ratio.den, 1);
1675 ✗ frame->height = frame->height * 2 / FFMAX(frame->sample_aspect_ratio.num, 1);
1676 }
1677 381996 }
1678
1679 381996 static void attach_post_process_data(AVCodecContext *avctx, AVFrame *frame)
1680 {
1681 381996 AVCodecInternal *avci = avctx->internal;
1682 381996 DecodeContext *dc = decode_ctx(avci);
1683
1684
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 381996 times.
 381996 if (dc->lcevc_frame) {
1685 ✗ FrameDecodeData *fdd = (FrameDecodeData*)frame->private_ref->data;
1686
1687 ✗ fdd->post_process_opaque = ff_refstruct_ref(dc->lcevc);
1688 ✗ fdd->post_process_opaque_free = ff_lcevc_unref;
1689 ✗ fdd->post_process = ff_lcevc_process;
1690
1691 ✗ frame->width = dc->width;
1692 ✗ frame->height = dc->height;
1693 }
1694 381996 dc->lcevc_frame = 0;
1695 381996 }
1696
1697 381996 int ff_get_buffer(AVCodecContext *avctx, AVFrame *frame, int flags)
1698 {
1699 381996 const FFHWAccel *hwaccel = ffhwaccel(avctx->hwaccel);
1700 381996 int override_dimensions = 1;
1701 int ret;
1702
1703
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 381996 times.
 381996 av_assert0(av_codec_is_decoder(avctx->codec));
1704
1705
2/2
✓ Branch 0 taken 120527 times.
✓ Branch 1 taken 261469 times.
 381996 if (avctx->codec_type == AVMEDIA_TYPE_VIDEO) {
1706
2/4
✓ Branch 0 taken 120527 times.
✗ Branch 1 not taken.
✓ Branch 2 taken 120527 times.
✗ Branch 3 not taken.
 241054 if ((unsigned)avctx->width > INT_MAX - STRIDE_ALIGN ||
1707
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 120527 times.
 241054 (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) {
1708 ✗ av_log(avctx, AV_LOG_ERROR, "video_get_buffer: image parameters invalid\n");
1709 ✗ ret = AVERROR(EINVAL);
1710 ✗ goto fail;
1711 }
1712
1713
3/4
✓ Branch 0 taken 731 times.
✓ Branch 1 taken 119796 times.
✗ Branch 2 not taken.
✓ Branch 3 taken 731 times.
 120527 if (frame->width <= 0 || frame->height <= 0) {
1714 119796 frame->width = FFMAX(avctx->width, AV_CEIL_RSHIFT(avctx->coded_width, avctx->lowres));
1715 119796 frame->height = FFMAX(avctx->height, AV_CEIL_RSHIFT(avctx->coded_height, avctx->lowres));
1716 119796 override_dimensions = 0;
1717 }
1718
1719
4/8
✓ Branch 0 taken 120527 times.
✗ Branch 1 not taken.
✓ Branch 2 taken 120527 times.
✗ Branch 3 not taken.
✓ Branch 4 taken 120527 times.
✗ Branch 5 not taken.
✗ Branch 6 not taken.
✓ Branch 7 taken 120527 times.
 120527 if (frame->data[0] || frame->data[1] || frame->data[2] || frame->data[3]) {
1720 ✗ av_log(avctx, AV_LOG_ERROR, "pic->data[*]!=NULL in get_buffer_internal\n");
1721 ✗ ret = AVERROR(EINVAL);
1722 ✗ goto fail;
1723 }
1724
1/2
✓ Branch 0 taken 261469 times.
✗ Branch 1 not taken.
 261469 } else if (avctx->codec_type == AVMEDIA_TYPE_AUDIO) {
1725
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 261469 times.
 261469 if (frame->nb_samples * (int64_t)avctx->ch_layout.nb_channels > avctx->max_samples) {
1726 ✗ av_log(avctx, AV_LOG_ERROR, "samples per frame %d, exceeds max_samples %"PRId64"\n", frame->nb_samples, avctx->max_samples);
1727 ✗ ret = AVERROR(EINVAL);
1728 ✗ goto fail;
1729 }
1730 }
1731 381996 ret = ff_decode_frame_props(avctx, frame);
1732
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 381996 times.
 381996 if (ret < 0)
1733 ✗ goto fail;
1734
1735
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 381996 times.
 381996 if (hwaccel) {
1736 ✗ if (hwaccel->alloc_frame) {
1737 ✗ ret = hwaccel->alloc_frame(avctx, frame);
1738 ✗ goto end;
1739 }
1740 } else {
1741 381996 avctx->sw_pix_fmt = avctx->pix_fmt;
1742 381996 update_frame_props(avctx, frame);
1743 }
1744
1745 381996 ret = avctx->get_buffer2(avctx, frame, flags);
1746
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 381996 times.
 381996 if (ret < 0)
1747 ✗ goto fail;
1748
1749 381996 validate_avframe_allocation(avctx, frame);
1750
1751 381996 ret = ff_attach_decode_data(frame);
1752
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 381996 times.
 381996 if (ret < 0)
1753 ✗ goto fail;
1754
1755 381996 attach_post_process_data(avctx, frame);
1756
1757 381996 end:
1758
4/4
✓ Branch 0 taken 261469 times.
✓ Branch 1 taken 120527 times.
✓ Branch 2 taken 731 times.
✓ Branch 3 taken 119796 times.
 381996 if (avctx->codec_type == AVMEDIA_TYPE_VIDEO && !override_dimensions &&
1759
2/2
✓ Branch 1 taken 36830 times.
✓ Branch 2 taken 82966 times.
 119796 !(ffcodec(avctx->codec)->caps_internal & FF_CODEC_CAP_EXPORTS_CROPPING)) {
1760 82966 frame->width = avctx->width;
1761 82966 frame->height = avctx->height;
1762 }
1763
1764 299030 fail:
1765
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 381996 times.
 381996 if (ret < 0) {
1766 ✗ av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
1767 ✗ av_frame_unref(frame);
1768 }
1769
1770 381996 return ret;
1771 }
1772
1773 7761 static int reget_buffer_internal(AVCodecContext *avctx, AVFrame *frame, int flags)
1774 {
1775 AVFrame *tmp;
1776 int ret;
1777
1778
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 7761 times.
 7761 av_assert0(avctx->codec_type == AVMEDIA_TYPE_VIDEO);
1779
1780 // make sure the discard flag does not persist
1781 7761 frame->flags &= ~AV_FRAME_FLAG_DISCARD;
1782
1783
5/8
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 7761 if (frame->data[0] && (frame->width != avctx->width || frame->height != avctx->height || frame->format != avctx->pix_fmt)) {
1784 ✗ av_log(avctx, AV_LOG_WARNING, "Picture changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s in reget buffer()\n",
1785 ✗ frame->width, frame->height, av_get_pix_fmt_name(frame->format), avctx->width, avctx->height, av_get_pix_fmt_name(avctx->pix_fmt));
1786 ✗ av_frame_unref(frame);
1787 }
1788
1789
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 7761 if (!frame->data[0])
1790 149 return ff_get_buffer(avctx, frame, AV_GET_BUFFER_FLAG_REF);
1791
1792 7612 av_frame_side_data_free(&frame->side_data, &frame->nb_side_data);
1793
1794
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 7612 if ((flags & FF_REGET_BUFFER_FLAG_READONLY) || av_frame_is_writable(frame))
1795 656 return ff_decode_frame_props(avctx, frame);
1796
1797 6956 tmp = av_frame_alloc();
1798
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 6956 if (!tmp)
1799 ✗ return AVERROR(ENOMEM);
1800
1801 6956 av_frame_move_ref(tmp, frame);
1802
1803 6956 ret = ff_get_buffer(avctx, frame, AV_GET_BUFFER_FLAG_REF);
1804
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 6956 if (ret < 0) {
1805 ✗ av_frame_free(&tmp);
1806 ✗ return ret;
1807 }
1808
1809 6956 av_frame_copy(frame, tmp);
1810 6956 av_frame_free(&tmp);
1811
1812 6956 return 0;
1813 }
1814
1815 7761 int ff_reget_buffer(AVCodecContext *avctx, AVFrame *frame, int flags)
1816 {
1817 7761 int ret = reget_buffer_internal(avctx, frame, flags);
1818
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 7761 if (ret < 0)
1819 ✗ av_log(avctx, AV_LOG_ERROR, "reget_buffer() failed\n");
1820 7761 return ret;
1821 }
1822
1823 typedef struct ProgressInternal {
1824 ThreadProgress progress;
1825 struct AVFrame *f;
1826 } ProgressInternal;
1827
1828 452652 static void check_progress_consistency(const ProgressFrame *f)
1829 {
1830 av_assert1(!!f->f == !!f->progress);
1831 av_assert1(!f->progress || f->progress->f == f->f);
1832 452652 }
1833
1834 16696 int ff_progress_frame_alloc(AVCodecContext *avctx, ProgressFrame *f)
1835 {
1836 16696 FFRefStructPool *pool = avctx->internal->progress_frame_pool;
1837
1838 av_assert1(!f->f && !f->progress);
1839
1840 16696 f->progress = ff_refstruct_pool_get(pool);
1841
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 16696 if (!f->progress)
1842 ✗ return AVERROR(ENOMEM);
1843
1844 16696 f->f = f->progress->f;
1845 16696 return 0;
1846 }
1847
1848 16696 int ff_progress_frame_get_buffer(AVCodecContext *avctx, ProgressFrame *f, int flags)
1849 {
1850 int ret;
1851
1852 16696 check_progress_consistency(f);
1853
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 16696 if (!f->f) {
1854 6467 ret = ff_progress_frame_alloc(avctx, f);
1855
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 6467 if (ret < 0)
1856 ✗ return ret;
1857 }
1858
1859 16696 ret = ff_thread_get_buffer(avctx, f->progress->f, flags);
1860
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 16696 if (ret < 0) {
1861 ✗ f->f = NULL;
1862 ✗ ff_refstruct_unref(&f->progress);
1863 ✗ return ret;
1864 }
1865 16696 return 0;
1866 }
1867
1868 38946 void ff_progress_frame_ref(ProgressFrame *dst, const ProgressFrame *src)
1869 {
1870 av_assert1(src->progress && src->f && src->f == src->progress->f);
1871 av_assert1(!dst->f && !dst->progress);
1872 38946 dst->f = src->f;
1873 38946 dst->progress = ff_refstruct_ref(src->progress);
1874 38946 }
1875
1876 395802 void ff_progress_frame_unref(ProgressFrame *f)
1877 {
1878 395802 check_progress_consistency(f);
1879 395802 f->f = NULL;
1880 395802 ff_refstruct_unref(&f->progress);
1881 395802 }
1882
1883 40154 void ff_progress_frame_replace(ProgressFrame *dst, const ProgressFrame *src)
1884 {
1885
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 40154 if (dst == src)
1886 ✗ return;
1887 40154 ff_progress_frame_unref(dst);
1888 40154 check_progress_consistency(src);
1889
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✓ Branch 1 taken 1275 times.
 40154 if (src->f)
1890 38879 ff_progress_frame_ref(dst, src);
1891 }
1892
1893 19577 void ff_progress_frame_report(ProgressFrame *f, int n)
1894 {
1895 19577 ff_thread_progress_report(&f->progress->progress, n);
1896 19577 }
1897
1898 2597703 void ff_progress_frame_await(const ProgressFrame *f, int n)
1899 {
1900 2597703 ff_thread_progress_await(&f->progress->progress, n);
1901 2597703 }
1902
1903 #if !HAVE_THREADS
1904 enum ThreadingStatus ff_thread_sync_ref(AVCodecContext *avctx, size_t offset)
1905 {
1906 return FF_THREAD_NO_FRAME_THREADING;
1907 }
1908 #endif /* !HAVE_THREADS */
1909
1910 2563 static av_cold int progress_frame_pool_init_cb(FFRefStructOpaque opaque, void *obj)
1911 {
1912 2563 const AVCodecContext *avctx = opaque.nc;
1913 2563 ProgressInternal *progress = obj;
1914 int ret;
1915
1916 2563 ret = ff_thread_progress_init(&progress->progress, avctx->active_thread_type & FF_THREAD_FRAME);
1917
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 2563 if (ret < 0)
1918 ✗ return ret;
1919
1920 2563 progress->f = av_frame_alloc();
1921
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 2563 if (!progress->f)
1922 ✗ return AVERROR(ENOMEM);
1923
1924 2563 return 0;
1925 }
1926
1927 16696 static void progress_frame_pool_reset_cb(FFRefStructOpaque unused, void *obj)
1928 {
1929 16696 ProgressInternal *progress = obj;
1930
1931 16696 ff_thread_progress_reset(&progress->progress);
1932 16696 av_frame_unref(progress->f);
1933 16696 }
1934
1935 2563 static av_cold void progress_frame_pool_free_entry_cb(FFRefStructOpaque opaque, void *obj)
1936 {
1937 2563 ProgressInternal *progress = obj;
1938
1939 2563 ff_thread_progress_destroy(&progress->progress);
1940 2563 av_frame_free(&progress->f);
1941 2563 }
1942
1943 15298 int ff_decode_preinit(AVCodecContext *avctx)
1944 {
1945 15298 AVCodecInternal *avci = avctx->internal;
1946 15298 DecodeContext *dc = decode_ctx(avci);
1947 15298 int ret = 0;
1948
1949 15298 dc->initial_pict_type = AV_PICTURE_TYPE_NONE;
1950
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 15298 if (avctx->codec_descriptor->props & AV_CODEC_PROP_INTRA_ONLY) {
1951 11962 dc->intra_only_flag = AV_FRAME_FLAG_KEY;
1952
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 11962 if (avctx->codec_type == AVMEDIA_TYPE_VIDEO)
1953 8692 dc->initial_pict_type = AV_PICTURE_TYPE_I;
1954 }
1955
1956 /* if the decoder init function was already called previously,
1957 * free the already allocated subtitle_header before overwriting it */
1958 15298 av_freep(&avctx->subtitle_header);
1959
1960
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 15298 if (avctx->codec->max_lowres < avctx->lowres || avctx->lowres < 0) {
1961 ✗ av_log(avctx, AV_LOG_WARNING, "The maximum value for lowres supported by the decoder is %d\n",
1962 ✗ avctx->codec->max_lowres);
1963 ✗ avctx->lowres = avctx->codec->max_lowres;
1964 }
1965
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 15298 if (avctx->sub_charenc) {
1966
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 6 if (avctx->codec_type != AVMEDIA_TYPE_SUBTITLE) {
1967 ✗ av_log(avctx, AV_LOG_ERROR, "Character encoding is only "
1968 "supported with subtitles codecs\n");
1969 ✗ return AVERROR(EINVAL);
1970
1/2
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✓ Branch 1 taken 6 times.
 6 } else if (avctx->codec_descriptor->props & AV_CODEC_PROP_BITMAP_SUB) {
1971 ✗ av_log(avctx, AV_LOG_WARNING, "Codec '%s' is bitmap-based, "
1972 "subtitles character encoding will be ignored\n",
1973 ✗ avctx->codec_descriptor->name);
1974 ✗ avctx->sub_charenc_mode = FF_SUB_CHARENC_MODE_DO_NOTHING;
1975 } else {
1976 /* input character encoding is set for a text based subtitle
1977 * codec at this point */
1978
1/2
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✗ Branch 1 not taken.
 6 if (avctx->sub_charenc_mode == FF_SUB_CHARENC_MODE_AUTOMATIC)
1979 6 avctx->sub_charenc_mode = FF_SUB_CHARENC_MODE_PRE_DECODER;
1980
1981
1/2
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✗ Branch 1 not taken.
 6 if (avctx->sub_charenc_mode == FF_SUB_CHARENC_MODE_PRE_DECODER) {
1982 #if CONFIG_ICONV
1983 6 iconv_t cd = iconv_open("UTF-8", avctx->sub_charenc);
1984
1/2
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✓ Branch 1 taken 6 times.
 6 if (cd == (iconv_t)-1) {
1985 ✗ ret = AVERROR(errno);
1986 ✗ av_log(avctx, AV_LOG_ERROR, "Unable to open iconv context "
1987 "with input character encoding \"%s\"\n", avctx->sub_charenc);
1988 ✗ return ret;
1989 }
1990 6 iconv_close(cd);
1991 #else
1992 av_log(avctx, AV_LOG_ERROR, "Character encoding subtitles "
1993 "conversion needs a libavcodec built with iconv support "
1994 "for this codec\n");
1995 return AVERROR(ENOSYS);
1996 #endif
1997 }
1998 }
1999 }
2000
2001 15298 dc->pts_correction_num_faulty_pts =
2002 15298 dc->pts_correction_num_faulty_dts = 0;
2003 15298 dc->pts_correction_last_pts =
2004 15298 dc->pts_correction_last_dts = INT64_MIN;
2005
2006
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 15298 if ( !CONFIG_GRAY && avctx->flags & AV_CODEC_FLAG_GRAY
2007 ✗ && avctx->codec_descriptor->type == AVMEDIA_TYPE_VIDEO)
2008 ✗ av_log(avctx, AV_LOG_WARNING,
2009 "gray decoding requested but not enabled at configuration time\n");
2010
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 15298 if (avctx->flags2 & AV_CODEC_FLAG2_EXPORT_MVS) {
2011 5 avctx->export_side_data |= AV_CODEC_EXPORT_DATA_MVS;
2012 }
2013
2014
1/2
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 15298 if (avctx->nb_side_data_prefer_packet == 1 &&
2015 ✗ avctx->side_data_prefer_packet[0] == -1)
2016 ✗ dc->side_data_pref_mask = ~0ULL;
2017 else {
2018
2/2
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 15302 for (unsigned i = 0; i < avctx->nb_side_data_prefer_packet; i++) {
2019 4 int val = avctx->side_data_prefer_packet[i];
2020
2021
2/4
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 4 if (val < 0 || val >= AV_PKT_DATA_NB) {
2022 ✗ av_log(avctx, AV_LOG_ERROR, "Invalid side data type: %d\n", val);
2023 ✗ return AVERROR(EINVAL);
2024 }
2025
2026
2/2
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 40 for (unsigned j = 0; ff_sd_global_map[j].packet < AV_PKT_DATA_NB; j++) {
2027
2/2
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✓ Branch 1 taken 32 times.
 36 if (ff_sd_global_map[j].packet == val) {
2028 4 val = ff_sd_global_map[j].frame;
2029
2030 // this code will need to be changed when we have more than
2031 // 64 frame side data types
2032
1/2
✗ Branch 0 not taken.
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 4 if (val >= 64) {
2033 ✗ av_log(avctx, AV_LOG_ERROR, "Side data type too big\n");
2034 ✗ return AVERROR_BUG;
2035 }
2036
2037 4 dc->side_data_pref_mask |= 1ULL << val;
2038 }
2039 }
2040 }
2041 }
2042
2043 15298 avci->in_pkt = av_packet_alloc();
2044 15298 avci->last_pkt_props = av_packet_alloc();
2045
2/4
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 15298 if (!avci->in_pkt || !avci->last_pkt_props)
2046 ✗ return AVERROR(ENOMEM);
2047
2048
2/2
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✓ Branch 2 taken 13980 times.
 15298 if (ffcodec(avctx->codec)->caps_internal & FF_CODEC_CAP_USES_PROGRESSFRAMES) {
2049 1318 avci->progress_frame_pool =
2050 1318 ff_refstruct_pool_alloc_ext(sizeof(ProgressInternal),
2051 FF_REFSTRUCT_POOL_FLAG_FREE_ON_INIT_ERROR,
2052 avctx, progress_frame_pool_init_cb,
2053 progress_frame_pool_reset_cb,
2054 progress_frame_pool_free_entry_cb, NULL);
2055
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✓ Branch 1 taken 1318 times.
 1318 if (!avci->progress_frame_pool)
2056 ✗ return AVERROR(ENOMEM);
2057 }
2058 15298 ret = decode_bsfs_init(avctx);
2059
1/2
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 15298 if (ret < 0)
2060 ✗ return ret;
2061
2062
1/2
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✗ Branch 1 not taken.
 15298 if (!(avctx->export_side_data & AV_CODEC_EXPORT_DATA_ENHANCEMENTS)) {
2063 15298 ret = ff_lcevc_alloc(&dc->lcevc);
2064
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✗ Branch 2 not taken.
✗ Branch 3 not taken.
 15298 if (ret < 0 && (avctx->err_recognition & AV_EF_EXPLODE))
2065 ✗ return ret;
2066 }
2067
2068 #if FF_API_DROPCHANGED
2069
1/2
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 15298 if (avctx->flags & AV_CODEC_FLAG_DROPCHANGED)
2070 ✗ av_log(avctx, AV_LOG_WARNING, "The dropchanged flag is deprecated.\n");
2071 #endif
2072
2073 15298 return 0;
2074 }
2075
2076 /**
2077 * Check side data preference and clear existing side data from frame
2078 * if needed.
2079 *
2080 * @retval 0 side data of this type can be added to frame
2081 * @retval 1 side data of this type should not be added to frame
2082 */
2083 5599 static int side_data_pref(const AVCodecContext *avctx, AVFrameSideData ***sd,
2084 int *nb_sd, enum AVFrameSideDataType type)
2085 {
2086 5599 DecodeContext *dc = decode_ctx(avctx->internal);
2087
2088 // Note: could be skipped for `type` without corresponding packet sd
2089
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✓ Branch 2 taken 5579 times.
 5599 if (av_frame_side_data_get(*sd, *nb_sd, type)) {
2090
2/2
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✓ Branch 1 taken 10 times.
 20 if (dc->side_data_pref_mask & (1ULL << type))
2091 10 return 1;
2092 10 av_frame_side_data_remove(sd, nb_sd, type);
2093 }
2094
2095 5589 return 0;
2096 }
2097
2098
2099 4800 int ff_frame_new_side_data(const AVCodecContext *avctx, AVFrame *frame,
2100 enum AVFrameSideDataType type, size_t size,
2101 AVFrameSideData **psd)
2102 {
2103 AVFrameSideData *sd;
2104
2105
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 4800 times.
 4800 if (side_data_pref(avctx, &frame->side_data, &frame->nb_side_data, type)) {
2106 ✗ if (psd)
2107 ✗ *psd = NULL;
2108 ✗ return 0;
2109 }
2110
2111 4800 sd = av_frame_new_side_data(frame, type, size);
2112
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✗ Branch 1 not taken.
 4800 if (psd)
2113 4800 *psd = sd;
2114
2115
1/2
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✗ Branch 1 not taken.
 4800 return sd ? 0 : AVERROR(ENOMEM);
2116 }
2117
2118 756 int ff_frame_new_side_data_from_buf_ext(const AVCodecContext *avctx,
2119 AVFrameSideData ***sd, int *nb_sd,
2120 enum AVFrameSideDataType type,
2121 AVBufferRef **buf)
2122 {
2123 756 int ret = 0;
2124
2125
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 756 times.
 756 if (side_data_pref(avctx, sd, nb_sd, type))
2126 ✗ goto finish;
2127
2128
1/2
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✗ Branch 2 not taken.
 756 if (!av_frame_side_data_add(sd, nb_sd, type, buf, 0))
2129 ✗ ret = AVERROR(ENOMEM);
2130
2131 756 finish:
2132 756 av_buffer_unref(buf);
2133
2134 756 return ret;
2135 }
2136
2137 746 int ff_frame_new_side_data_from_buf(const AVCodecContext *avctx,
2138 AVFrame *frame, enum AVFrameSideDataType type,
2139 AVBufferRef **buf)
2140 {
2141 746 return ff_frame_new_side_data_from_buf_ext(avctx,
2142 &frame->side_data, &frame->nb_side_data,
2143 type, buf);
2144 }
2145
2146 33 int ff_decode_mastering_display_new_ext(const AVCodecContext *avctx,
2147 AVFrameSideData ***sd, int *nb_sd,
2148 struct AVMasteringDisplayMetadata **mdm)
2149 {
2150 AVBufferRef *buf;
2151 size_t size;
2152
2153
2/2
✓ Branch 1 taken 10 times.
✓ Branch 2 taken 23 times.
 33 if (side_data_pref(avctx, sd, nb_sd, AV_FRAME_DATA_MASTERING_DISPLAY_METADATA)) {
2154 10 *mdm = NULL;
2155 10 return 0;
2156 }
2157
2158 23 *mdm = av_mastering_display_metadata_alloc_size(&size);
2159
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✓ Branch 1 taken 23 times.
 23 if (!*mdm)
2160 ✗ return AVERROR(ENOMEM);
2161
2162 23 buf = av_buffer_create((uint8_t *)*mdm, size, NULL, NULL, 0);
2163
1/2
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✓ Branch 1 taken 23 times.
 23 if (!buf) {
2164 ✗ av_freep(mdm);
2165 ✗ return AVERROR(ENOMEM);
2166 }
2167
2168
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 23 times.
 23 if (!av_frame_side_data_add(sd, nb_sd, AV_FRAME_DATA_MASTERING_DISPLAY_METADATA,
2169 &buf, 0)) {
2170 ✗ *mdm = NULL;
2171 ✗ av_buffer_unref(&buf);
2172 ✗ return AVERROR(ENOMEM);
2173 }
2174
2175 23 return 0;
2176 }
2177
2178 2 int ff_decode_mastering_display_new(const AVCodecContext *avctx, AVFrame *frame,
2179 AVMasteringDisplayMetadata **mdm)
2180 {
2181
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✓ Branch 2 taken 2 times.
 2 if (side_data_pref(avctx, &frame->side_data, &frame->nb_side_data,
2182 AV_FRAME_DATA_MASTERING_DISPLAY_METADATA)) {
2183 ✗ *mdm = NULL;
2184 ✗ return 0;
2185 }
2186
2187 2 *mdm = av_mastering_display_metadata_create_side_data(frame);
2188
1/2
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✗ Branch 1 not taken.
 2 return *mdm ? 0 : AVERROR(ENOMEM);
2189 }
2190
2191 6 int ff_decode_content_light_new_ext(const AVCodecContext *avctx,
2192 AVFrameSideData ***sd, int *nb_sd,
2193 AVContentLightMetadata **clm)
2194 {
2195 AVBufferRef *buf;
2196 size_t size;
2197
2198
1/2
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✓ Branch 2 taken 6 times.
 6 if (side_data_pref(avctx, sd, nb_sd, AV_FRAME_DATA_CONTENT_LIGHT_LEVEL)) {
2199 ✗ *clm = NULL;
2200 ✗ return 0;
2201 }
2202
2203 6 *clm = av_content_light_metadata_alloc(&size);
2204
1/2
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✓ Branch 1 taken 6 times.
 6 if (!*clm)
2205 ✗ return AVERROR(ENOMEM);
2206
2207 6 buf = av_buffer_create((uint8_t *)*clm, size, NULL, NULL, 0);
2208
1/2
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 6 if (!buf) {
2209 ✗ av_freep(clm);
2210 ✗ return AVERROR(ENOMEM);
2211 }
2212
2213
1/2
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✓ Branch 2 taken 6 times.
 6 if (!av_frame_side_data_add(sd, nb_sd, AV_FRAME_DATA_CONTENT_LIGHT_LEVEL,
2214 &buf, 0)) {
2215 ✗ *clm = NULL;
2216 ✗ av_buffer_unref(&buf);
2217 ✗ return AVERROR(ENOMEM);
2218 }
2219
2220 6 return 0;
2221 }
2222
2223 2 int ff_decode_content_light_new(const AVCodecContext *avctx, AVFrame *frame,
2224 AVContentLightMetadata **clm)
2225 {
2226
1/2
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✓ Branch 2 taken 2 times.
 2 if (side_data_pref(avctx, &frame->side_data, &frame->nb_side_data,
2227 AV_FRAME_DATA_CONTENT_LIGHT_LEVEL)) {
2228 ✗ *clm = NULL;
2229 ✗ return 0;
2230 }
2231
2232 2 *clm = av_content_light_metadata_create_side_data(frame);
2233
1/2
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✗ Branch 1 not taken.
 2 return *clm ? 0 : AVERROR(ENOMEM);
2234 }
2235
2236 1674 int ff_copy_palette(void *dst, const AVPacket *src, void *logctx)
2237 {
2238 size_t size;
2239 1674 const void *pal = av_packet_get_side_data(src, AV_PKT_DATA_PALETTE, &size);
2240
2241
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✓ Branch 1 taken 1642 times.
✓ Branch 2 taken 32 times.
✗ Branch 3 not taken.
 1674 if (pal && size == AVPALETTE_SIZE) {
2242 32 memcpy(dst, pal, AVPALETTE_SIZE);
2243 32 return 1;
2244
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 1642 } else if (pal) {
2245 ✗ av_log(logctx, AV_LOG_ERROR,
2246 "Palette size %"SIZE_SPECIFIER" is wrong\n", size);
2247 }
2248 1642 return 0;
2249 }
2250
2251 51508 int ff_hwaccel_frame_priv_alloc(AVCodecContext *avctx, void **hwaccel_picture_private)
2252 {
2253 51508 const FFHWAccel *hwaccel = ffhwaccel(avctx->hwaccel);
2254
2255
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 51508 if (!hwaccel || !hwaccel->frame_priv_data_size)
2256 51508 return 0;
2257
2258 ✗ av_assert0(!*hwaccel_picture_private);
2259
2260 ✗ if (hwaccel->free_frame_priv) {
2261 AVHWFramesContext *frames_ctx;
2262
2263 ✗ if (!avctx->hw_frames_ctx)
2264 ✗ return AVERROR(EINVAL);
2265
2266 ✗ frames_ctx = (AVHWFramesContext *) avctx->hw_frames_ctx->data;
2267 ✗ *hwaccel_picture_private = ff_refstruct_alloc_ext(hwaccel->frame_priv_data_size, 0,
2268 ✗ frames_ctx->device_ctx,
2269 ✗ hwaccel->free_frame_priv);
2270 } else {
2271 ✗ *hwaccel_picture_private = ff_refstruct_allocz(hwaccel->frame_priv_data_size);
2272 }
2273
2274 ✗ if (!*hwaccel_picture_private)
2275 ✗ return AVERROR(ENOMEM);
2276
2277 ✗ return 0;
2278 }
2279
2280 103 void ff_decode_flush_buffers(AVCodecContext *avctx)
2281 {
2282 103 AVCodecInternal *avci = avctx->internal;
2283 103 DecodeContext *dc = decode_ctx(avci);
2284
2285 103 av_packet_unref(avci->last_pkt_props);
2286 103 av_packet_unref(avci->in_pkt);
2287
2288 103 dc->pts_correction_last_pts =
2289 103 dc->pts_correction_last_dts = INT64_MIN;
2290
2291
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 103 if (avci->bsf)
2292 103 av_bsf_flush(avci->bsf);
2293
2294 103 dc->nb_draining_errors = 0;
2295 103 dc->draining_started = 0;
2296 103 }
2297
2298 15374 AVCodecInternal *ff_decode_internal_alloc(void)
2299 {
2300 15374 return av_mallocz(sizeof(DecodeContext));
2301 }
2302
2303 740 void ff_decode_internal_sync(AVCodecContext *dst, const AVCodecContext *src)
2304 {
2305 740 const DecodeContext *src_dc = decode_ctx(src->internal);
2306 740 DecodeContext *dst_dc = decode_ctx(dst->internal);
2307
2308 740 ff_refstruct_replace(&dst_dc->lcevc, src_dc->lcevc);
2309 740 }
2310
2311 15374 void ff_decode_internal_uninit(AVCodecContext *avctx)
2312 {
2313 15374 AVCodecInternal *avci = avctx->internal;
2314 15374 DecodeContext *dc = decode_ctx(avci);
2315
2316 15374 ff_refstruct_unref(&dc->lcevc);
2317 15374 }
2318