FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavformat/diracdec.c
Date: 2022-12-05 20:26:17
Exec Total Coverage
Lines: 8 11 72.7%
Functions: 1 1 100.0%
Branches: 5 8 62.5%

Line Branch Exec Source
1 /*
2 * RAW Dirac demuxer
3 * Copyright (c) 2007 Marco Gerards <marco@gnu.org>
4 *
5 * This file is part of FFmpeg.
6 *
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21
22 #include "libavutil/intreadwrite.h"
23 #include "avformat.h"
24 #include "rawdec.h"
25
26 6782 static int dirac_probe(const AVProbeData *p)
27 {
28 unsigned size;
29
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6782 if (AV_RL32(p->buf) != MKTAG('B', 'B', 'C', 'D'))
30 6780 return 0;
31
32 2 size = AV_RB32(p->buf+5);
33
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2 if (size < 13)
34 return 0;
35
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2 if (size + 13LL > p->buf_size)
36 return AVPROBE_SCORE_MAX / 4;
37
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2 if (AV_RL32(p->buf + size) != MKTAG('B', 'B', 'C', 'D'))
38 return 0;
39
40 2 return AVPROBE_SCORE_MAX;
41 }
42
43 FF_DEF_RAWVIDEO_DEMUXER(dirac, "raw Dirac", dirac_probe, NULL, AV_CODEC_ID_DIRAC)
44