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- /*
- * RAW Dirac demuxer
- * Copyright (c) 2007 Marco Gerards <marco@gnu.org>
- *
- * 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
- */
-
- #include "libavutil/intreadwrite.h"
- #include "avformat.h"
- #include "rawdec.h"
-
- static int dirac_probe(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)
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