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libavformat/diracdec.c

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00001 /*
00002  * RAW Dirac demuxer
00003  * Copyright (c) 2007 Marco Gerards <marco@gnu.org>
00004  *
00005  * This file is part of Libav.
00006  *
00007  * Libav is free software; you can redistribute it and/or
00008  * modify it under the terms of the GNU Lesser General Public
00009  * License as published by the Free Software Foundation; either
00010  * version 2.1 of the License, or (at your option) any later version.
00011  *
00012  * Libav is distributed in the hope that it will be useful,
00013  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00015  * Lesser General Public License for more details.
00016  *
00017  * You should have received a copy of the GNU Lesser General Public
00018  * License along with Libav; if not, write to the Free Software
00019  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
00020  */
00021 
00022 #include "libavutil/intreadwrite.h"
00023 #include "avformat.h"
00024 #include "rawdec.h"
00025 
00026 static int dirac_probe(AVProbeData *p)
00027 {
00028     if (AV_RL32(p->buf) == MKTAG('B', 'B', 'C', 'D'))
00029         return AVPROBE_SCORE_MAX;
00030     else
00031         return 0;
00032 }
00033 
00034 FF_DEF_RAWVIDEO_DEMUXER(dirac, "raw Dirac", dirac_probe, NULL, CODEC_ID_DIRAC)
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