| /* | |
| * RAW Dirac demuxer | |
| * Copyright (c) 2007 Marco Gerards <[email protected]> | |
| * | |
| * This file is part of FFmpeg. | |
| * | |
| * FFmpeg is free software; you can redistribute it and/or | |
| * modify it under the terms of the GNU Lesser General Public | |
| * License as published by the Free Software Foundation; either | |
| * version 2.1 of the License, or (at your option) any later version. | |
| * | |
| * FFmpeg is distributed in the hope that it will be useful, | |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| * Lesser General Public License for more details. | |
| * | |
| * You should have received a copy of the GNU Lesser General Public | |
| * License along with FFmpeg; if not, write to the Free Software | |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
| */ | |
| static int dirac_probe(const AVProbeData *p) | |
| { | |
| unsigned size; | |
| if (AV_RL32(p->buf) != MKTAG('B', 'B', 'C', 'D')) | |
| return 0; | |
| size = AV_RB32(p->buf+5); | |
| if (size < 13) | |
| return 0; | |
| if (size + 13LL > p->buf_size) | |
| return AVPROBE_SCORE_MAX / 4; | |
| if (AV_RL32(p->buf + size) != MKTAG('B', 'B', 'C', 'D')) | |
| return 0; | |
| return AVPROBE_SCORE_MAX; | |
| } | |
| FF_DEF_RAWVIDEO_DEMUXER(dirac, "raw Dirac", dirac_probe, NULL, AV_CODEC_ID_DIRAC) | |