FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavdevice/utils.c
Date: 2024-04-19 17:50:32
Exec Total Coverage
Lines: 0 27 0.0%
Functions: 0 1 0.0%
Branches: 0 24 0.0%

Line Branch Exec Source
1 /*
2 * This file is part of FFmpeg.
3 *
4 * FFmpeg is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
8 *
9 * FFmpeg is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with FFmpeg; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17 */
18
19 #include "internal.h"
20 #include "libavutil/mem.h"
21 #include "libavutil/opt.h"
22 #include "libavformat/avformat.h"
23 #include "libavformat/demux.h"
24
25 int ff_alloc_input_device_context(AVFormatContext **avctx, const AVInputFormat *iformat, const char *format)
26 {
27 AVFormatContext *s;
28 int ret = 0;
29
30 *avctx = NULL;
31 if (!iformat && !format)
32 return AVERROR(EINVAL);
33 if (!(s = avformat_alloc_context()))
34 return AVERROR(ENOMEM);
35
36 if (!iformat)
37 iformat = av_find_input_format(format);
38 if (!iformat || !iformat->priv_class || !AV_IS_INPUT_DEVICE(iformat->priv_class->category)) {
39 ret = AVERROR(EINVAL);
40 goto error;
41 }
42 s->iformat = iformat;
43 if (ffifmt(s->iformat)->priv_data_size > 0) {
44 s->priv_data = av_mallocz(ffifmt(s->iformat)->priv_data_size);
45 if (!s->priv_data) {
46 ret = AVERROR(ENOMEM);
47 goto error;
48 }
49 if (s->iformat->priv_class) {
50 *(const AVClass**)s->priv_data= s->iformat->priv_class;
51 av_opt_set_defaults(s->priv_data);
52 }
53 } else
54 s->priv_data = NULL;
55
56 *avctx = s;
57 return 0;
58 error:
59 avformat_free_context(s);
60 return ret;
61 }
62