FFmpeg coverage

../../../ffmpeg/
Coverage:
low: ≥ 0%
medium: ≥ 75.0%
high: ≥ 90.0%
Lines:
169 / 181
93.4%
Branches:
34 / 46
73.9%
Functions:
7 / 7
100.0%
libavcodec/codec_par.c
Line Branch Exec Source
1 /*
2 * AVCodecParameters 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 * AVCodecParameters functions for libavcodec.
24 */
25
26 #include <string.h>
27 #include "libavutil/mem.h"
28 #include "avcodec.h"
29 #include "codec_par.h"
30 #include "packet.h"
31
32 303411 static void codec_parameters_reset(AVCodecParameters *par)
33 {
34 303411 av_freep(&par->extradata);
35 303411 av_channel_layout_uninit(&par->ch_layout);
36 303411 av_packet_side_data_free(&par->coded_side_data, &par->nb_coded_side_data);
37
38 303411 memset(par, 0, sizeof(*par));
39
40 303411 par->codec_type = AVMEDIA_TYPE_UNKNOWN;
41 303411 par->codec_id = AV_CODEC_ID_NONE;
42 303411 par->format = -1;
43 303411 par->ch_layout.order = AV_CHANNEL_ORDER_UNSPEC;
44 303411 par->field_order = AV_FIELD_UNKNOWN;
45 303411 par->color_range = AVCOL_RANGE_UNSPECIFIED;
46 303411 par->color_primaries = AVCOL_PRI_UNSPECIFIED;
47 303411 par->color_trc = AVCOL_TRC_UNSPECIFIED;
48 303411 par->color_space = AVCOL_SPC_UNSPECIFIED;
49 303411 par->chroma_location = AVCHROMA_LOC_UNSPECIFIED;
50 303411 par->sample_aspect_ratio = (AVRational){ 0, 1 };
51 303411 par->framerate = (AVRational){ 0, 1 };
52 303411 par->profile = AV_PROFILE_UNKNOWN;
53 303411 par->level = AV_LEVEL_UNKNOWN;
54 303411 par->alpha_mode = AVALPHA_MODE_UNSPECIFIED;
55 303411 }
56
57 102407 AVCodecParameters *avcodec_parameters_alloc(void)
58 {
59 102407 AVCodecParameters *par = av_mallocz(sizeof(*par));
60
61
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 102407 if (!par)
62 ✗ return NULL;
63 102407 codec_parameters_reset(par);
64 102407 return par;
65 }
66
67 3125213 void avcodec_parameters_free(AVCodecParameters **ppar)
68 {
69 3125213 AVCodecParameters *par = *ppar;
70
71
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 3125213 if (!par)
72 3022812 return;
73 102401 codec_parameters_reset(par);
74
75 102401 av_freep(ppar);
76 }
77
78 171857 static int codec_parameters_copy_side_data(AVPacketSideData **pdst, int *pnb_dst,
79 const AVPacketSideData *src, int nb_src)
80 {
81 AVPacketSideData *dst;
82 171857 int nb_dst = *pnb_dst;
83
84
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 171857 if (!src)
85 162752 return 0;
86
87 9105 *pdst = dst = av_calloc(nb_src, sizeof(*dst));
88
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 9105 if (!dst)
89 ✗ return AVERROR(ENOMEM);
90
91
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 19332 for (int i = 0; i < nb_src; i++) {
92 10227 const AVPacketSideData *src_sd = &src[i];
93 10227 AVPacketSideData *dst_sd = &dst[i];
94
95 10227 dst_sd->data = av_memdup(src_sd->data, src_sd->size);
96
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 10227 if (!dst_sd->data)
97 ✗ return AVERROR(ENOMEM);
98
99 10227 dst_sd->type = src_sd->type;
100 10227 dst_sd->size = src_sd->size;
101 10227 *pnb_dst = ++nb_dst;
102 }
103
104 9105 return 0;
105 }
106
107 49516 int avcodec_parameters_copy(AVCodecParameters *dst, const AVCodecParameters *src)
108 {
109 int ret;
110
111 49516 codec_parameters_reset(dst);
112 49516 memcpy(dst, src, sizeof(*dst));
113
114 49516 dst->ch_layout = (AVChannelLayout){0};
115 49516 dst->extradata = NULL;
116 49516 dst->extradata_size = 0;
117 49516 dst->coded_side_data = NULL;
118 49516 dst->nb_coded_side_data = 0;
119
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 49516 if (src->extradata) {
120 8464 dst->extradata = av_mallocz(src->extradata_size + AV_INPUT_BUFFER_PADDING_SIZE);
121
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 8464 if (!dst->extradata)
122 ✗ return AVERROR(ENOMEM);
123 8464 memcpy(dst->extradata, src->extradata, src->extradata_size);
124 8464 dst->extradata_size = src->extradata_size;
125 }
126 49516 ret = codec_parameters_copy_side_data(&dst->coded_side_data, &dst->nb_coded_side_data,
127 49516 src->coded_side_data, src->nb_coded_side_data);
128
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 49516 if (ret < 0)
129 ✗ return ret;
130
131 49516 ret = av_channel_layout_copy(&dst->ch_layout, &src->ch_layout);
132
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 49516 if (ret < 0)
133 ✗ return ret;
134
135 49516 return 0;
136 }
137
138 49087 int avcodec_parameters_from_context(AVCodecParameters *par,
139 const AVCodecContext *codec)
140 {
141 int ret;
142
143 49087 codec_parameters_reset(par);
144
145 49087 par->codec_type = codec->codec_type;
146 49087 par->codec_id = codec->codec_id;
147 49087 par->codec_tag = codec->codec_tag;
148
149 49087 par->bit_rate = codec->bit_rate;
150 49087 par->bits_per_coded_sample = codec->bits_per_coded_sample;
151 49087 par->bits_per_raw_sample = codec->bits_per_raw_sample;
152 49087 par->profile = codec->profile;
153 49087 par->level = codec->level;
154
155
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 49087 switch (par->codec_type) {
156 36271 case AVMEDIA_TYPE_VIDEO:
157 72542 par->format = codec->sw_pix_fmt != AV_PIX_FMT_NONE ?
158
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 36271 codec->sw_pix_fmt : codec->pix_fmt;
159 36271 par->width = codec->width;
160 36271 par->height = codec->height;
161 36271 par->field_order = codec->field_order;
162 36271 par->color_range = codec->color_range;
163 36271 par->color_primaries = codec->color_primaries;
164 36271 par->color_trc = codec->color_trc;
165 36271 par->color_space = codec->colorspace;
166 36271 par->chroma_location = codec->chroma_sample_location;
167 36271 par->sample_aspect_ratio = codec->sample_aspect_ratio;
168 36271 par->video_delay = codec->has_b_frames;
169 36271 par->framerate = codec->framerate;
170 36271 par->alpha_mode = codec->alpha_mode;
171 36271 break;
172 12186 case AVMEDIA_TYPE_AUDIO:
173 12186 par->format = codec->sample_fmt;
174 12186 ret = av_channel_layout_copy(&par->ch_layout, &codec->ch_layout);
175
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 12186 if (ret < 0)
176 ✗ return ret;
177 12186 par->sample_rate = codec->sample_rate;
178 12186 par->block_align = codec->block_align;
179 12186 par->frame_size = codec->frame_size;
180 12186 par->initial_padding = codec->initial_padding;
181 12186 par->trailing_padding = codec->trailing_padding;
182 12186 par->seek_preroll = codec->seek_preroll;
183 12186 break;
184 511 case AVMEDIA_TYPE_SUBTITLE:
185 511 par->width = codec->width;
186 511 par->height = codec->height;
187 511 break;
188 }
189
190
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 49087 if (codec->extradata) {
191 9223 par->extradata = av_mallocz(codec->extradata_size + AV_INPUT_BUFFER_PADDING_SIZE);
192
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 9223 if (!par->extradata)
193 ✗ return AVERROR(ENOMEM);
194 9223 memcpy(par->extradata, codec->extradata, codec->extradata_size);
195 9223 par->extradata_size = codec->extradata_size;
196 }
197
198 49087 ret = codec_parameters_copy_side_data(&par->coded_side_data, &par->nb_coded_side_data,
199 49087 codec->coded_side_data, codec->nb_coded_side_data);
200
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 49087 if (ret < 0)
201 ✗ return ret;
202
203 49087 return 0;
204 }
205
206 73254 int avcodec_parameters_to_context(AVCodecContext *codec,
207 const AVCodecParameters *par)
208 {
209 int ret;
210
211 73254 codec->codec_type = par->codec_type;
212 73254 codec->codec_id = par->codec_id;
213 73254 codec->codec_tag = par->codec_tag;
214
215 73254 codec->bit_rate = par->bit_rate;
216 73254 codec->bits_per_coded_sample = par->bits_per_coded_sample;
217 73254 codec->bits_per_raw_sample = par->bits_per_raw_sample;
218 73254 codec->profile = par->profile;
219 73254 codec->level = par->level;
220
221
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 73254 switch (par->codec_type) {
222 55987 case AVMEDIA_TYPE_VIDEO:
223 55987 codec->pix_fmt = par->format;
224 55987 codec->width = par->width;
225 55987 codec->height = par->height;
226 55987 codec->field_order = par->field_order;
227 55987 codec->color_range = par->color_range;
228 55987 codec->color_primaries = par->color_primaries;
229 55987 codec->color_trc = par->color_trc;
230 55987 codec->colorspace = par->color_space;
231 55987 codec->chroma_sample_location = par->chroma_location;
232 55987 codec->sample_aspect_ratio = par->sample_aspect_ratio;
233 55987 codec->has_b_frames = par->video_delay;
234 55987 codec->framerate = par->framerate;
235 55987 codec->alpha_mode = par->alpha_mode;
236 55987 break;
237 16181 case AVMEDIA_TYPE_AUDIO:
238 16181 codec->sample_fmt = par->format;
239 16181 ret = av_channel_layout_copy(&codec->ch_layout, &par->ch_layout);
240
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 16181 if (ret < 0)
241 ✗ return ret;
242 16181 codec->sample_rate = par->sample_rate;
243 16181 codec->block_align = par->block_align;
244 16181 codec->frame_size = par->frame_size;
245 16181 codec->initial_padding = par->initial_padding;
246 16181 codec->trailing_padding = par->trailing_padding;
247 16181 codec->seek_preroll = par->seek_preroll;
248 16181 break;
249 719 case AVMEDIA_TYPE_SUBTITLE:
250 719 codec->width = par->width;
251 719 codec->height = par->height;
252 719 break;
253 }
254
255 73254 av_freep(&codec->extradata);
256 73254 codec->extradata_size = 0;
257
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 73254 if (par->extradata) {
258 11631 codec->extradata = av_mallocz(par->extradata_size + AV_INPUT_BUFFER_PADDING_SIZE);
259
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 11631 if (!codec->extradata)
260 ✗ return AVERROR(ENOMEM);
261 11631 memcpy(codec->extradata, par->extradata, par->extradata_size);
262 11631 codec->extradata_size = par->extradata_size;
263 }
264
265 73254 av_packet_side_data_free(&codec->coded_side_data, &codec->nb_coded_side_data);
266 73254 ret = codec_parameters_copy_side_data(&codec->coded_side_data, &codec->nb_coded_side_data,
267 73254 par->coded_side_data, par->nb_coded_side_data);
268
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 73254 if (ret < 0)
269 ✗ return ret;
270
271 73254 return 0;
272 }
273