| 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 | 7128 | static int dirac_probe(const AVProbeData *p) | |
| 27 | { | ||
| 28 | unsigned size; | ||
| 29 |
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7128 | if (AV_RL32(p->buf) != MKTAG('B', 'B', 'C', 'D')) |
| 30 | 7126 | 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 |