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---|---|---|---|
1 | /* | ||
2 | * AVCodecContext functions for libavcodec | ||
3 | * | ||
4 | * This file is part of FFmpeg. | ||
5 | * | ||
6 | * FFmpeg is free software; you can redistribute it and/or | ||
7 | * modify it under the terms of the GNU Lesser General Public | ||
8 | * License as published by the Free Software Foundation; either | ||
9 | * version 2.1 of the License, or (at your option) any later version. | ||
10 | * | ||
11 | * FFmpeg is distributed in the hope that it will be useful, | ||
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
14 | * Lesser General Public License for more details. | ||
15 | * | ||
16 | * You should have received a copy of the GNU Lesser General Public | ||
17 | * License along with FFmpeg; if not, write to the Free Software | ||
18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||
19 | */ | ||
20 | |||
21 | /** | ||
22 | * @file | ||
23 | * AVCodecContext functions for libavcodec | ||
24 | */ | ||
25 | |||
26 | #include "config.h" | ||
27 | #include "libavutil/avassert.h" | ||
28 | #include "libavutil/avstring.h" | ||
29 | #include "libavutil/bprint.h" | ||
30 | #include "libavutil/channel_layout.h" | ||
31 | #include "libavutil/emms.h" | ||
32 | #include "libavutil/fifo.h" | ||
33 | #include "libavutil/imgutils.h" | ||
34 | #include "libavutil/mem.h" | ||
35 | #include "libavutil/opt.h" | ||
36 | #include "libavutil/thread.h" | ||
37 | #include "avcodec.h" | ||
38 | #include "avcodec_internal.h" | ||
39 | #include "bsf.h" | ||
40 | #include "codec_desc.h" | ||
41 | #include "codec_internal.h" | ||
42 | #include "decode.h" | ||
43 | #include "encode.h" | ||
44 | #include "frame_thread_encoder.h" | ||
45 | #include "hwconfig.h" | ||
46 | #include "internal.h" | ||
47 | #include "refstruct.h" | ||
48 | #include "thread.h" | ||
49 | |||
50 | /** | ||
51 | * Maximum size in bytes of extradata. | ||
52 | * This value was chosen such that every bit of the buffer is | ||
53 | * addressable by a 32-bit signed integer as used by get_bits. | ||
54 | */ | ||
55 | #define FF_MAX_EXTRADATA_SIZE ((1 << 28) - AV_INPUT_BUFFER_PADDING_SIZE) | ||
56 | |||
57 | const SideDataMap ff_sd_global_map[] = { | ||
58 | { AV_PKT_DATA_REPLAYGAIN , AV_FRAME_DATA_REPLAYGAIN }, | ||
59 | { AV_PKT_DATA_DISPLAYMATRIX, AV_FRAME_DATA_DISPLAYMATRIX }, | ||
60 | { AV_PKT_DATA_SPHERICAL, AV_FRAME_DATA_SPHERICAL }, | ||
61 | { AV_PKT_DATA_STEREO3D, AV_FRAME_DATA_STEREO3D }, | ||
62 | { AV_PKT_DATA_AUDIO_SERVICE_TYPE, AV_FRAME_DATA_AUDIO_SERVICE_TYPE }, | ||
63 | { AV_PKT_DATA_MASTERING_DISPLAY_METADATA, AV_FRAME_DATA_MASTERING_DISPLAY_METADATA }, | ||
64 | { AV_PKT_DATA_CONTENT_LIGHT_LEVEL, AV_FRAME_DATA_CONTENT_LIGHT_LEVEL }, | ||
65 | { AV_PKT_DATA_ICC_PROFILE, AV_FRAME_DATA_ICC_PROFILE }, | ||
66 | { AV_PKT_DATA_AMBIENT_VIEWING_ENVIRONMENT,AV_FRAME_DATA_AMBIENT_VIEWING_ENVIRONMENT }, | ||
67 | { AV_PKT_DATA_NB }, | ||
68 | }; | ||
69 | |||
70 | |||
71 | 51284 | int avcodec_default_execute(AVCodecContext *c, int (*func)(AVCodecContext *c2, void *arg2), void *arg, int *ret, int count, int size) | |
72 | { | ||
73 | size_t i; | ||
74 | |||
75 |
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1461617 | for (i = 0; i < count; i++) { |
76 | 1410333 | size_t offset = i * size; | |
77 |
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1410333 | int r = func(c, FF_PTR_ADD((char *)arg, offset)); |
78 |
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1410333 | if (ret) |
79 | 28454 | ret[i] = r; | |
80 | } | ||
81 | 51284 | emms_c(); | |
82 | 51284 | return 0; | |
83 | } | ||
84 | |||
85 | 7462 | int avcodec_default_execute2(AVCodecContext *c, int (*func)(AVCodecContext *c2, void *arg2, int jobnr, int threadnr), void *arg, int *ret, int count) | |
86 | { | ||
87 | int i; | ||
88 | |||
89 |
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248923 | for (i = 0; i < count; i++) { |
90 | 241461 | int r = func(c, arg, i, 0); | |
91 |
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241461 | if (ret) |
92 | 50 | ret[i] = r; | |
93 | } | ||
94 | 7462 | emms_c(); | |
95 | 7462 | return 0; | |
96 | } | ||
97 | |||
98 | static AVMutex codec_mutex = AV_MUTEX_INITIALIZER; | ||
99 | |||
100 | 60101 | static void lock_avcodec(const FFCodec *codec) | |
101 | { | ||
102 |
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60101 | if (codec->caps_internal & FF_CODEC_CAP_NOT_INIT_THREADSAFE && codec->init) |
103 | ✗ | ff_mutex_lock(&codec_mutex); | |
104 | 60101 | } | |
105 | |||
106 | 60101 | static void unlock_avcodec(const FFCodec *codec) | |
107 | { | ||
108 |
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60101 | if (codec->caps_internal & FF_CODEC_CAP_NOT_INIT_THREADSAFE && codec->init) |
109 | ✗ | ff_mutex_unlock(&codec_mutex); | |
110 | 60101 | } | |
111 | |||
112 | 24831 | static int64_t get_bit_rate(AVCodecContext *ctx) | |
113 | { | ||
114 | int64_t bit_rate; | ||
115 | int bits_per_sample; | ||
116 | |||
117 |
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24831 | switch (ctx->codec_type) { |
118 | 20266 | case AVMEDIA_TYPE_VIDEO: | |
119 | case AVMEDIA_TYPE_DATA: | ||
120 | case AVMEDIA_TYPE_SUBTITLE: | ||
121 | case AVMEDIA_TYPE_ATTACHMENT: | ||
122 | 20266 | bit_rate = ctx->bit_rate; | |
123 | 20266 | break; | |
124 | 4565 | case AVMEDIA_TYPE_AUDIO: | |
125 | 4565 | bits_per_sample = av_get_bits_per_sample(ctx->codec_id); | |
126 |
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4565 | if (bits_per_sample) { |
127 | 2353 | bit_rate = ctx->sample_rate * (int64_t)ctx->ch_layout.nb_channels; | |
128 |
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2353 | if (bit_rate > INT64_MAX / bits_per_sample) { |
129 | ✗ | bit_rate = 0; | |
130 | } else | ||
131 | 2353 | bit_rate *= bits_per_sample; | |
132 | } else | ||
133 | 2212 | bit_rate = ctx->bit_rate; | |
134 | 4565 | break; | |
135 | ✗ | default: | |
136 | ✗ | bit_rate = 0; | |
137 | ✗ | break; | |
138 | } | ||
139 | 24831 | return bit_rate; | |
140 | } | ||
141 | |||
142 | 33792 | int attribute_align_arg avcodec_open2(AVCodecContext *avctx, const AVCodec *codec, AVDictionary **options) | |
143 | { | ||
144 | 33792 | int ret = 0; | |
145 | AVCodecInternal *avci; | ||
146 | const FFCodec *codec2; | ||
147 | |||
148 |
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33792 | if (avcodec_is_open(avctx)) |
149 | ✗ | return 0; | |
150 | |||
151 |
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33792 | if (!codec && !avctx->codec) { |
152 | ✗ | av_log(avctx, AV_LOG_ERROR, "No codec provided to avcodec_open2()\n"); | |
153 | ✗ | return AVERROR(EINVAL); | |
154 | } | ||
155 |
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33792 | if (codec && avctx->codec && codec != avctx->codec) { |
156 | 10 | av_log(avctx, AV_LOG_ERROR, "This AVCodecContext was allocated for %s, " | |
157 | 10 | "but %s passed to avcodec_open2()\n", avctx->codec->name, codec->name); | |
158 | 10 | return AVERROR(EINVAL); | |
159 | } | ||
160 |
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33782 | if (!codec) |
161 | 4 | codec = avctx->codec; | |
162 | 33782 | codec2 = ffcodec(codec); | |
163 | |||
164 |
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33782 | if ((avctx->codec_type != AVMEDIA_TYPE_UNKNOWN && avctx->codec_type != codec->type) || |
165 |
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33782 | (avctx->codec_id != AV_CODEC_ID_NONE && avctx->codec_id != codec->id)) { |
166 | ✗ | av_log(avctx, AV_LOG_ERROR, "Codec type or id mismatches\n"); | |
167 | ✗ | return AVERROR(EINVAL); | |
168 | } | ||
169 | |||
170 | 33782 | avctx->codec_type = codec->type; | |
171 | 33782 | avctx->codec_id = codec->id; | |
172 | 33782 | avctx->codec = codec; | |
173 | |||
174 |
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33782 | if (avctx->extradata_size < 0 || avctx->extradata_size >= FF_MAX_EXTRADATA_SIZE) |
175 | ✗ | return AVERROR(EINVAL); | |
176 | |||
177 |
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33782 | avci = av_codec_is_decoder(codec) ? |
178 | 14544 | ff_decode_internal_alloc() : | |
179 | 19238 | ff_encode_internal_alloc(); | |
180 |
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33782 | if (!avci) { |
181 | ✗ | ret = AVERROR(ENOMEM); | |
182 | ✗ | goto end; | |
183 | } | ||
184 | 33782 | avctx->internal = avci; | |
185 | |||
186 | 33782 | avci->buffer_frame = av_frame_alloc(); | |
187 | 33782 | avci->buffer_pkt = av_packet_alloc(); | |
188 |
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33782 | if (!avci->buffer_frame || !avci->buffer_pkt) { |
189 | ✗ | ret = AVERROR(ENOMEM); | |
190 | ✗ | goto free_and_end; | |
191 | } | ||
192 | |||
193 |
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33782 | if (codec2->priv_data_size > 0) { |
194 |
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15143 | if (!avctx->priv_data) { |
195 | 7658 | avctx->priv_data = av_mallocz(codec2->priv_data_size); | |
196 |
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7658 | if (!avctx->priv_data) { |
197 | ✗ | ret = AVERROR(ENOMEM); | |
198 | ✗ | goto free_and_end; | |
199 | } | ||
200 |
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7658 | if (codec->priv_class) { |
201 | 2229 | *(const AVClass **)avctx->priv_data = codec->priv_class; | |
202 | 2229 | av_opt_set_defaults(avctx->priv_data); | |
203 | } | ||
204 | } | ||
205 |
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15143 | if (codec->priv_class && (ret = av_opt_set_dict(avctx->priv_data, options)) < 0) |
206 | ✗ | goto free_and_end; | |
207 | } else { | ||
208 | 18639 | avctx->priv_data = NULL; | |
209 | } | ||
210 |
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33782 | if ((ret = av_opt_set_dict(avctx, options)) < 0) |
211 | ✗ | goto free_and_end; | |
212 | |||
213 |
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33782 | if (avctx->codec_whitelist && av_match_list(codec->name, avctx->codec_whitelist, ',') <= 0) { |
214 | ✗ | av_log(avctx, AV_LOG_ERROR, "Codec (%s) not on whitelist \'%s\'\n", codec->name, avctx->codec_whitelist); | |
215 | ✗ | ret = AVERROR(EINVAL); | |
216 | ✗ | goto free_and_end; | |
217 | } | ||
218 | |||
219 | // only call ff_set_dimensions() for non H.264/VP6F/DXV codecs so as not to overwrite previously setup dimensions | ||
220 |
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33782 | if (!(avctx->coded_width && avctx->coded_height && avctx->width && avctx->height && |
221 |
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32 | (avctx->codec_id == AV_CODEC_ID_H264 || avctx->codec_id == AV_CODEC_ID_VP6F || avctx->codec_id == AV_CODEC_ID_DXV))) { |
222 |
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33782 | if (avctx->coded_width && avctx->coded_height) |
223 | 47 | ret = ff_set_dimensions(avctx, avctx->coded_width, avctx->coded_height); | |
224 |
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33735 | else if (avctx->width && avctx->height) |
225 | 25260 | ret = ff_set_dimensions(avctx, avctx->width, avctx->height); | |
226 |
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33782 | if (ret < 0) |
227 | ✗ | goto free_and_end; | |
228 | } | ||
229 | |||
230 |
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33782 | if ((avctx->coded_width || avctx->coded_height || avctx->width || avctx->height) |
231 |
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25307 | && ( av_image_check_size2(avctx->coded_width, avctx->coded_height, avctx->max_pixels, AV_PIX_FMT_NONE, 0, avctx) < 0 |
232 |
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25307 | || av_image_check_size2(avctx->width, avctx->height, avctx->max_pixels, AV_PIX_FMT_NONE, 0, avctx) < 0)) { |
233 | ✗ | av_log(avctx, AV_LOG_WARNING, "Ignoring invalid width/height values\n"); | |
234 | ✗ | ff_set_dimensions(avctx, 0, 0); | |
235 | } | ||
236 | |||
237 |
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33782 | if (avctx->width > 0 && avctx->height > 0) { |
238 |
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25307 | if (av_image_check_sar(avctx->width, avctx->height, |
239 | avctx->sample_aspect_ratio) < 0) { | ||
240 | ✗ | av_log(avctx, AV_LOG_WARNING, "ignoring invalid SAR: %u/%u\n", | |
241 | avctx->sample_aspect_ratio.num, | ||
242 | avctx->sample_aspect_ratio.den); | ||
243 | ✗ | avctx->sample_aspect_ratio = (AVRational){ 0, 1 }; | |
244 | } | ||
245 | } | ||
246 | |||
247 |
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33782 | if (avctx->sample_rate < 0) { |
248 | ✗ | av_log(avctx, AV_LOG_ERROR, "Invalid sample rate: %d\n", avctx->sample_rate); | |
249 | ✗ | ret = AVERROR(EINVAL); | |
250 | ✗ | goto free_and_end; | |
251 | } | ||
252 |
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33782 | if (avctx->block_align < 0) { |
253 | ✗ | av_log(avctx, AV_LOG_ERROR, "Invalid block align: %d\n", avctx->block_align); | |
254 | ✗ | ret = AVERROR(EINVAL); | |
255 | ✗ | goto free_and_end; | |
256 | } | ||
257 | |||
258 | /* AV_CODEC_CAP_CHANNEL_CONF is a decoder-only flag; so the code below | ||
259 | * in particular checks that nb_channels is set for all audio encoders. */ | ||
260 |
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33782 | if (avctx->codec_type == AVMEDIA_TYPE_AUDIO && !avctx->ch_layout.nb_channels |
261 |
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236 | && !(codec->capabilities & AV_CODEC_CAP_CHANNEL_CONF)) { |
262 | ✗ | av_log(avctx, AV_LOG_ERROR, "%s requires channel layout to be set\n", | |
263 | ✗ | av_codec_is_decoder(codec) ? "Decoder" : "Encoder"); | |
264 | ✗ | ret = AVERROR(EINVAL); | |
265 | ✗ | goto free_and_end; | |
266 | } | ||
267 |
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33782 | if (avctx->ch_layout.nb_channels && !av_channel_layout_check(&avctx->ch_layout)) { |
268 | ✗ | av_log(avctx, AV_LOG_ERROR, "Invalid channel layout\n"); | |
269 | ✗ | ret = AVERROR(EINVAL); | |
270 | ✗ | goto free_and_end; | |
271 | } | ||
272 |
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33782 | if (avctx->ch_layout.nb_channels > FF_SANE_NB_CHANNELS) { |
273 | ✗ | av_log(avctx, AV_LOG_ERROR, "Too many channels: %d\n", avctx->ch_layout.nb_channels); | |
274 | ✗ | ret = AVERROR(EINVAL); | |
275 | ✗ | goto free_and_end; | |
276 | } | ||
277 | |||
278 | 33782 | avctx->frame_num = 0; | |
279 | 33782 | avctx->codec_descriptor = avcodec_descriptor_get(avctx->codec_id); | |
280 | |||
281 |
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33782 | if ((avctx->codec->capabilities & AV_CODEC_CAP_EXPERIMENTAL) && |
282 |
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109 | avctx->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) { |
283 |
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52 | const char *codec_string = av_codec_is_encoder(codec) ? "encoder" : "decoder"; |
284 | const AVCodec *codec2; | ||
285 | 52 | av_log(avctx, AV_LOG_ERROR, | |
286 | "The %s '%s' is experimental but experimental codecs are not enabled, " | ||
287 | "add '-strict %d' if you want to use it.\n", | ||
288 | 52 | codec_string, codec->name, FF_COMPLIANCE_EXPERIMENTAL); | |
289 |
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52 | codec2 = av_codec_is_encoder(codec) ? avcodec_find_encoder(codec->id) : avcodec_find_decoder(codec->id); |
290 |
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52 | if (!(codec2->capabilities & AV_CODEC_CAP_EXPERIMENTAL)) |
291 | ✗ | av_log(avctx, AV_LOG_ERROR, "Alternatively use the non experimental %s '%s'.\n", | |
292 | ✗ | codec_string, codec2->name); | |
293 | 52 | ret = AVERROR_EXPERIMENTAL; | |
294 | 52 | goto free_and_end; | |
295 | } | ||
296 | |||
297 |
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33730 | if (avctx->codec_type == AVMEDIA_TYPE_AUDIO && |
298 |
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4505 | (!avctx->time_base.num || !avctx->time_base.den)) { |
299 | 3263 | avctx->time_base.num = 1; | |
300 | 3263 | avctx->time_base.den = avctx->sample_rate; | |
301 | } | ||
302 | |||
303 |
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33730 | if (av_codec_is_encoder(avctx->codec)) |
304 | 19238 | ret = ff_encode_preinit(avctx); | |
305 | else | ||
306 | 14492 | ret = ff_decode_preinit(avctx); | |
307 |
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33730 | if (ret < 0) |
308 | ✗ | goto free_and_end; | |
309 | |||
310 |
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33730 | if (HAVE_THREADS && !avci->frame_thread_encoder) { |
311 | /* Frame-threaded decoders call FFCodec.init for their child contexts. */ | ||
312 | 32135 | lock_avcodec(codec2); | |
313 | 32135 | ret = ff_thread_init(avctx); | |
314 | 32135 | unlock_avcodec(codec2); | |
315 |
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32135 | if (ret < 0) { |
316 | ✗ | goto free_and_end; | |
317 | } | ||
318 | } | ||
319 | if (!HAVE_THREADS && !(codec2->caps_internal & FF_CODEC_CAP_AUTO_THREADS)) | ||
320 | avctx->thread_count = 1; | ||
321 | |||
322 |
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33730 | if (!(avctx->active_thread_type & FF_THREAD_FRAME) || |
323 |
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1605 | avci->frame_thread_encoder) { |
324 |
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|
33720 | if (codec2->init) { |
325 | 27966 | lock_avcodec(codec2); | |
326 | 27966 | ret = codec2->init(avctx); | |
327 | 27966 | unlock_avcodec(codec2); | |
328 |
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|
27966 | if (ret < 0) { |
329 | 8 | avci->needs_close = codec2->caps_internal & FF_CODEC_CAP_INIT_CLEANUP; | |
330 | 8 | goto free_and_end; | |
331 | } | ||
332 | } | ||
333 | 33712 | avci->needs_close = 1; | |
334 | } | ||
335 | |||
336 | 33722 | ret=0; | |
337 | |||
338 |
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|
33722 | if (av_codec_is_decoder(avctx->codec)) { |
339 |
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|
14484 | if (!avctx->bit_rate) |
340 | 9972 | avctx->bit_rate = get_bit_rate(avctx); | |
341 | |||
342 | /* validate channel layout from the decoder */ | ||
343 |
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|
14484 | if ((avctx->ch_layout.nb_channels && !av_channel_layout_check(&avctx->ch_layout)) || |
344 |
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|
14484 | avctx->ch_layout.nb_channels > FF_SANE_NB_CHANNELS) { |
345 | ✗ | ret = AVERROR(EINVAL); | |
346 | ✗ | goto free_and_end; | |
347 | } | ||
348 |
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|
14484 | if (avctx->bits_per_coded_sample < 0) { |
349 | ✗ | ret = AVERROR(EINVAL); | |
350 | ✗ | goto free_and_end; | |
351 | } | ||
352 | } | ||
353 |
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|
33722 | if (codec->priv_class) |
354 |
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|
4853 | av_assert0(*(const AVClass **)avctx->priv_data == codec->priv_class); |
355 | |||
356 | 33722 | end: | |
357 | |||
358 | 33782 | return ret; | |
359 | 60 | free_and_end: | |
360 | 60 | ff_codec_close(avctx); | |
361 | 60 | goto end; | |
362 | } | ||
363 | |||
364 | 102 | void avcodec_flush_buffers(AVCodecContext *avctx) | |
365 | { | ||
366 | 102 | AVCodecInternal *avci = avctx->internal; | |
367 | |||
368 |
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|
102 | if (av_codec_is_encoder(avctx->codec)) { |
369 | ✗ | int caps = avctx->codec->capabilities; | |
370 | |||
371 | ✗ | if (!(caps & AV_CODEC_CAP_ENCODER_FLUSH)) { | |
372 | // Only encoders that explicitly declare support for it can be | ||
373 | // flushed. Otherwise, this is a no-op. | ||
374 | ✗ | av_log(avctx, AV_LOG_WARNING, "Ignoring attempt to flush encoder " | |
375 | "that doesn't support it\n"); | ||
376 | ✗ | return; | |
377 | } | ||
378 | ✗ | ff_encode_flush_buffers(avctx); | |
379 | } else | ||
380 | 102 | ff_decode_flush_buffers(avctx); | |
381 | |||
382 | 102 | avci->draining = 0; | |
383 | 102 | avci->draining_done = 0; | |
384 | 102 | av_frame_unref(avci->buffer_frame); | |
385 | 102 | av_packet_unref(avci->buffer_pkt); | |
386 | |||
387 |
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|
102 | if (HAVE_THREADS && avctx->active_thread_type & FF_THREAD_FRAME) |
388 | ✗ | ff_thread_flush(avctx); | |
389 |
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|
102 | else if (ffcodec(avctx->codec)->flush) |
390 | 29 | ffcodec(avctx->codec)->flush(avctx); | |
391 | } | ||
392 | |||
393 | 915 | void avsubtitle_free(AVSubtitle *sub) | |
394 | { | ||
395 | int i; | ||
396 | |||
397 |
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1775 | for (i = 0; i < sub->num_rects; i++) { |
398 | 860 | AVSubtitleRect *const rect = sub->rects[i]; | |
399 | |||
400 | 860 | av_freep(&rect->data[0]); | |
401 | 860 | av_freep(&rect->data[1]); | |
402 | 860 | av_freep(&rect->data[2]); | |
403 | 860 | av_freep(&rect->data[3]); | |
404 | 860 | av_freep(&rect->text); | |
405 | 860 | av_freep(&rect->ass); | |
406 | |||
407 | 860 | av_freep(&sub->rects[i]); | |
408 | } | ||
409 | |||
410 | 915 | av_freep(&sub->rects); | |
411 | |||
412 | 915 | memset(sub, 0, sizeof(*sub)); | |
413 | 915 | } | |
414 | |||
415 | 57297 | av_cold void ff_codec_close(AVCodecContext *avctx) | |
416 | { | ||
417 | int i; | ||
418 | |||
419 |
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|
57297 | if (!avctx) |
420 | ✗ | return; | |
421 | |||
422 |
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|
57297 | if (avcodec_is_open(avctx)) { |
423 | 33782 | AVCodecInternal *avci = avctx->internal; | |
424 | |||
425 | 33782 | if (CONFIG_FRAME_THREAD_ENCODER && | |
426 |
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|
33782 | avci->frame_thread_encoder && avctx->thread_count > 1) { |
427 | 1595 | ff_frame_thread_encoder_free(avctx); | |
428 | } | ||
429 |
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|
33782 | if (HAVE_THREADS && avci->thread_ctx) |
430 | 30 | ff_thread_free(avctx); | |
431 |
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|
33782 | if (avci->needs_close && ffcodec(avctx->codec)->close) |
432 | 7032 | ffcodec(avctx->codec)->close(avctx); | |
433 | 33782 | avci->byte_buffer_size = 0; | |
434 | 33782 | av_freep(&avci->byte_buffer); | |
435 | 33782 | av_frame_free(&avci->buffer_frame); | |
436 | 33782 | av_packet_free(&avci->buffer_pkt); | |
437 | 33782 | av_packet_free(&avci->last_pkt_props); | |
438 | |||
439 | 33782 | av_packet_free(&avci->in_pkt); | |
440 | 33782 | av_frame_free(&avci->in_frame); | |
441 | 33782 | av_frame_free(&avci->recon_frame); | |
442 | |||
443 | 33782 | ff_refstruct_unref(&avci->pool); | |
444 | 33782 | ff_refstruct_pool_uninit(&avci->progress_frame_pool); | |
445 | |||
446 | 33782 | ff_hwaccel_uninit(avctx); | |
447 | |||
448 | 33782 | av_bsf_free(&avci->bsf); | |
449 | |||
450 | #if FF_API_DROPCHANGED | ||
451 | 33782 | av_channel_layout_uninit(&avci->initial_ch_layout); | |
452 | #endif | ||
453 | |||
454 | #if CONFIG_LCMS2 | ||
455 | ff_icc_context_uninit(&avci->icc); | ||
456 | #endif | ||
457 | |||
458 | 33782 | av_freep(&avctx->internal); | |
459 | } | ||
460 | |||
461 |
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|
61389 | for (i = 0; i < avctx->nb_coded_side_data; i++) |
462 | 4092 | av_freep(&avctx->coded_side_data[i].data); | |
463 | 57297 | av_freep(&avctx->coded_side_data); | |
464 | 57297 | avctx->nb_coded_side_data = 0; | |
465 | |||
466 | 57297 | av_buffer_unref(&avctx->hw_frames_ctx); | |
467 | 57297 | av_buffer_unref(&avctx->hw_device_ctx); | |
468 | |||
469 |
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|
57297 | if (avctx->priv_data && avctx->codec && avctx->codec->priv_class) |
470 | 7082 | av_opt_free(avctx->priv_data); | |
471 | 57297 | av_opt_free(avctx); | |
472 | 57297 | av_freep(&avctx->priv_data); | |
473 |
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|
57297 | if (av_codec_is_encoder(avctx->codec)) { |
474 | 19238 | av_freep(&avctx->extradata); | |
475 | 19238 | avctx->extradata_size = 0; | |
476 |
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|
38059 | } else if (av_codec_is_decoder(avctx->codec)) |
477 | 29868 | av_freep(&avctx->subtitle_header); | |
478 | |||
479 | 57297 | avctx->codec = NULL; | |
480 | 57297 | avctx->active_thread_type = 0; | |
481 | } | ||
482 | |||
483 | #if FF_API_AVCODEC_CLOSE | ||
484 | ✗ | int avcodec_close(AVCodecContext *avctx) | |
485 | { | ||
486 | ✗ | ff_codec_close(avctx); | |
487 | ✗ | return 0; | |
488 | } | ||
489 | #endif | ||
490 | |||
491 | 17926 | static const char *unknown_if_null(const char *str) | |
492 | { | ||
493 |
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17926 | return str ? str : "unknown"; |
494 | } | ||
495 | |||
496 | 14868 | void avcodec_string(char *buf, int buf_size, AVCodecContext *enc, int encode) | |
497 | { | ||
498 | const char *codec_type; | ||
499 | const char *codec_name; | ||
500 | 14868 | const char *profile = NULL; | |
501 | AVBPrint bprint; | ||
502 | int64_t bitrate; | ||
503 | 14868 | int new_line = 0; | |
504 | AVRational display_aspect_ratio; | ||
505 |
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14868 | const char *separator = enc->dump_separator ? (const char *)enc->dump_separator : ", "; |
506 | const char *str; | ||
507 | |||
508 |
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14868 | if (!buf || buf_size <= 0) |
509 | 9 | return; | |
510 | 14868 | av_bprint_init_for_buffer(&bprint, buf, buf_size); | |
511 | 14868 | codec_type = av_get_media_type_string(enc->codec_type); | |
512 | 14868 | codec_name = avcodec_get_name(enc->codec_id); | |
513 | 14868 | profile = avcodec_profile_name(enc->codec_id, enc->profile); | |
514 | |||
515 |
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14868 | av_bprintf(&bprint, "%s: %s", codec_type ? codec_type : "unknown", |
516 | codec_name); | ||
517 | 14868 | buf[0] ^= 'a' ^ 'A'; /* first letter in uppercase */ | |
518 | |||
519 |
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|
14868 | if (enc->codec && strcmp(enc->codec->name, codec_name)) |
520 | 310 | av_bprintf(&bprint, " (%s)", enc->codec->name); | |
521 | |||
522 |
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|
14868 | if (profile) |
523 | 1905 | av_bprintf(&bprint, " (%s)", profile); | |
524 |
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|
14868 | if ( enc->codec_type == AVMEDIA_TYPE_VIDEO |
525 |
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|
11194 | && av_log_get_level() >= AV_LOG_VERBOSE |
526 | ✗ | && enc->refs) | |
527 | ✗ | av_bprintf(&bprint, ", %d reference frame%s", | |
528 | ✗ | enc->refs, enc->refs > 1 ? "s" : ""); | |
529 | |||
530 |
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|
14868 | if (enc->codec_tag) |
531 | 8266 | av_bprintf(&bprint, " (%s / 0x%04X)", | |
532 | 8266 | av_fourcc2str(enc->codec_tag), enc->codec_tag); | |
533 | |||
534 |
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|
14868 | switch (enc->codec_type) { |
535 | 11194 | case AVMEDIA_TYPE_VIDEO: | |
536 | { | ||
537 | unsigned len; | ||
538 | |||
539 | 11194 | av_bprintf(&bprint, "%s%s", separator, | |
540 |
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11194 | enc->pix_fmt == AV_PIX_FMT_NONE ? "none" : |
541 | 11098 | unknown_if_null(av_get_pix_fmt_name(enc->pix_fmt))); | |
542 | |||
543 | 11194 | av_bprint_chars(&bprint, '(', 1); | |
544 | 11194 | len = bprint.len; | |
545 | |||
546 | /* The following check ensures that '(' has been written | ||
547 | * and therefore allows us to erase it if it turns out | ||
548 | * to be unnecessary. */ | ||
549 |
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11194 | if (!av_bprint_is_complete(&bprint)) |
550 | ✗ | return; | |
551 | |||
552 |
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|
11194 | if (enc->bits_per_raw_sample && enc->pix_fmt != AV_PIX_FMT_NONE && |
553 |
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|
1119 | enc->bits_per_raw_sample < av_pix_fmt_desc_get(enc->pix_fmt)->comp[0].depth) |
554 | 27 | av_bprintf(&bprint, "%d bpc, ", enc->bits_per_raw_sample); | |
555 |
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|
18841 | if (enc->color_range != AVCOL_RANGE_UNSPECIFIED && |
556 | 7647 | (str = av_color_range_name(enc->color_range))) | |
557 | 7647 | av_bprintf(&bprint, "%s, ", str); | |
558 | |||
559 |
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11194 | if (enc->colorspace != AVCOL_SPC_UNSPECIFIED || |
560 |
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|
9036 | enc->color_primaries != AVCOL_PRI_UNSPECIFIED || |
561 |
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9034 | enc->color_trc != AVCOL_TRC_UNSPECIFIED) { |
562 | 2276 | const char *col = unknown_if_null(av_color_space_name(enc->colorspace)); | |
563 | 2276 | const char *pri = unknown_if_null(av_color_primaries_name(enc->color_primaries)); | |
564 | 2276 | const char *trc = unknown_if_null(av_color_transfer_name(enc->color_trc)); | |
565 |
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|
2276 | if (strcmp(col, pri) || strcmp(col, trc)) { |
566 | 2128 | new_line = 1; | |
567 | 2128 | av_bprintf(&bprint, "%s/%s/%s, ", col, pri, trc); | |
568 | } else | ||
569 | 148 | av_bprintf(&bprint, "%s, ", col); | |
570 | } | ||
571 | |||
572 |
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11194 | if (enc->field_order != AV_FIELD_UNKNOWN) { |
573 | 5877 | const char *field_order = "progressive"; | |
574 |
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|
5877 | if (enc->field_order == AV_FIELD_TT) |
575 | 137 | field_order = "top first"; | |
576 |
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|
5740 | else if (enc->field_order == AV_FIELD_BB) |
577 | 44 | field_order = "bottom first"; | |
578 |
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|
5696 | else if (enc->field_order == AV_FIELD_TB) |
579 | 342 | field_order = "top coded first (swapped)"; | |
580 |
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|
5354 | else if (enc->field_order == AV_FIELD_BT) |
581 | 77 | field_order = "bottom coded first (swapped)"; | |
582 | |||
583 | 5877 | av_bprintf(&bprint, "%s, ", field_order); | |
584 | } | ||
585 | |||
586 |
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|
11194 | if (av_log_get_level() >= AV_LOG_VERBOSE && |
587 | ✗ | enc->chroma_sample_location != AVCHROMA_LOC_UNSPECIFIED && | |
588 | ✗ | (str = av_chroma_location_name(enc->chroma_sample_location))) | |
589 | ✗ | av_bprintf(&bprint, "%s, ", str); | |
590 | |||
591 |
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|
11194 | if (len == bprint.len) { |
592 | 1540 | bprint.str[len - 1] = '\0'; | |
593 | 1540 | bprint.len--; | |
594 | } else { | ||
595 |
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|
9654 | if (bprint.len - 2 < bprint.size) { |
596 | /* Erase the last ", " */ | ||
597 | 9654 | bprint.len -= 2; | |
598 | 9654 | bprint.str[bprint.len] = '\0'; | |
599 | } | ||
600 | 9654 | av_bprint_chars(&bprint, ')', 1); | |
601 | } | ||
602 | } | ||
603 | |||
604 |
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|
11194 | if (enc->width) { |
605 |
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11178 | av_bprintf(&bprint, "%s%dx%d", new_line ? separator : ", ", |
606 | enc->width, enc->height); | ||
607 | |||
608 |
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✓ Branch 2 taken 11178 times.
|
11178 | if (av_log_get_level() >= AV_LOG_VERBOSE && |
609 | ✗ | enc->coded_width && enc->coded_height && | |
610 | ✗ | (enc->width != enc->coded_width || | |
611 | ✗ | enc->height != enc->coded_height)) | |
612 | ✗ | av_bprintf(&bprint, " (%dx%d)", | |
613 | enc->coded_width, enc->coded_height); | ||
614 | |||
615 |
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|
11178 | if (enc->sample_aspect_ratio.num) { |
616 | 1384 | av_reduce(&display_aspect_ratio.num, &display_aspect_ratio.den, | |
617 | 1384 | enc->width * (int64_t)enc->sample_aspect_ratio.num, | |
618 | 1384 | enc->height * (int64_t)enc->sample_aspect_ratio.den, | |
619 | 1024 * 1024); | ||
620 | 1384 | av_bprintf(&bprint, " [SAR %d:%d DAR %d:%d]", | |
621 | enc->sample_aspect_ratio.num, enc->sample_aspect_ratio.den, | ||
622 | display_aspect_ratio.num, display_aspect_ratio.den); | ||
623 | } | ||
624 |
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✓ Branch 2 taken 11178 times.
|
11178 | if (av_log_get_level() >= AV_LOG_DEBUG) { |
625 | ✗ | int g = av_gcd(enc->time_base.num, enc->time_base.den); | |
626 | ✗ | av_bprintf(&bprint, ", %d/%d", | |
627 | ✗ | enc->time_base.num / g, enc->time_base.den / g); | |
628 | } | ||
629 | } | ||
630 |
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|
11194 | if (encode) { |
631 | 5523 | av_bprintf(&bprint, ", q=%d-%d", enc->qmin, enc->qmax); | |
632 | } else { | ||
633 |
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|
5671 | if (enc->properties & FF_CODEC_PROPERTY_CLOSED_CAPTIONS) |
634 | ✗ | av_bprintf(&bprint, ", Closed Captions"); | |
635 |
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5671 | if (enc->properties & FF_CODEC_PROPERTY_FILM_GRAIN) |
636 | ✗ | av_bprintf(&bprint, ", Film Grain"); | |
637 |
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✓ Branch 1 taken 5671 times.
|
5671 | if (enc->properties & FF_CODEC_PROPERTY_LOSSLESS) |
638 | ✗ | av_bprintf(&bprint, ", lossless"); | |
639 | } | ||
640 | 11194 | break; | |
641 | 3423 | case AVMEDIA_TYPE_AUDIO: | |
642 | 3423 | av_bprintf(&bprint, "%s", separator); | |
643 | |||
644 |
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|
3423 | if (enc->sample_rate) { |
645 | 3411 | av_bprintf(&bprint, "%d Hz, ", enc->sample_rate); | |
646 | } | ||
647 | 3423 | av_channel_layout_describe_bprint(&enc->ch_layout, &bprint); | |
648 |
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6826 | if (enc->sample_fmt != AV_SAMPLE_FMT_NONE && |
649 | 3403 | (str = av_get_sample_fmt_name(enc->sample_fmt))) { | |
650 | 3403 | av_bprintf(&bprint, ", %s", str); | |
651 | } | ||
652 |
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3423 | if ( enc->bits_per_raw_sample > 0 |
653 |
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|
1756 | && enc->bits_per_raw_sample != av_get_bytes_per_sample(enc->sample_fmt) * 8) |
654 | 212 | av_bprintf(&bprint, " (%d bit)", enc->bits_per_raw_sample); | |
655 |
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|
3423 | if (av_log_get_level() >= AV_LOG_VERBOSE) { |
656 |
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4 | if (enc->initial_padding) |
657 | 2 | av_bprintf(&bprint, ", delay %d", enc->initial_padding); | |
658 |
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4 | if (enc->trailing_padding) |
659 | ✗ | av_bprintf(&bprint, ", padding %d", enc->trailing_padding); | |
660 | } | ||
661 | 3423 | break; | |
662 | 82 | case AVMEDIA_TYPE_DATA: | |
663 |
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82 | if (av_log_get_level() >= AV_LOG_DEBUG) { |
664 | ✗ | int g = av_gcd(enc->time_base.num, enc->time_base.den); | |
665 | ✗ | if (g) | |
666 | ✗ | av_bprintf(&bprint, ", %d/%d", | |
667 | ✗ | enc->time_base.num / g, enc->time_base.den / g); | |
668 | } | ||
669 | 82 | break; | |
670 | 160 | case AVMEDIA_TYPE_SUBTITLE: | |
671 |
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160 | if (enc->width) |
672 | 33 | av_bprintf(&bprint, ", %dx%d", enc->width, enc->height); | |
673 | 160 | break; | |
674 | 9 | default: | |
675 | 9 | return; | |
676 | } | ||
677 |
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14859 | if (encode) { |
678 |
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7154 | if (enc->flags & AV_CODEC_FLAG_PASS1) |
679 | ✗ | av_bprintf(&bprint, ", pass 1"); | |
680 |
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7154 | if (enc->flags & AV_CODEC_FLAG_PASS2) |
681 | ✗ | av_bprintf(&bprint, ", pass 2"); | |
682 | } | ||
683 | 14859 | bitrate = get_bit_rate(enc); | |
684 |
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14859 | if (bitrate != 0) { |
685 | 9375 | av_bprintf(&bprint, ", %"PRId64" kb/s", bitrate / 1000); | |
686 |
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5484 | } else if (enc->rc_max_rate > 0) { |
687 | ✗ | av_bprintf(&bprint, ", max. %"PRId64" kb/s", enc->rc_max_rate / 1000); | |
688 | } | ||
689 | } | ||
690 | |||
691 | 2656734 | int avcodec_is_open(AVCodecContext *s) | |
692 | { | ||
693 | 2656734 | return !!s->internal; | |
694 | } | ||
695 | |||
696 | 760044 | int attribute_align_arg avcodec_receive_frame(AVCodecContext *avctx, AVFrame *frame) | |
697 | { | ||
698 | 760044 | av_frame_unref(frame); | |
699 | |||
700 |
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760044 | if (av_codec_is_decoder(avctx->codec)) |
701 | 759984 | return ff_decode_receive_frame(avctx, frame); | |
702 | 60 | return ff_encode_receive_frame(avctx, frame); | |
703 | } | ||
704 |