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libavcodec/vp3_parser.c

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00001 /*
00002  * Copyright (C) 2008 Michael Niedermayer
00003  *
00004  * This file is part of FFmpeg.
00005  *
00006  * FFmpeg is free software; you can redistribute it and/or
00007  * modify it under the terms of the GNU Lesser General Public
00008  * License as published by the Free Software Foundation; either
00009  * version 2.1 of the License, or (at your option) any later version.
00010  *
00011  * FFmpeg is distributed in the hope that it will be useful,
00012  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00013  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00014  * Lesser General Public License for more details.
00015  *
00016  * You should have received a copy of the GNU Lesser General Public
00017  * License along with FFmpeg; if not, write to the Free Software
00018  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
00019  */
00020 
00021 #include "parser.h"
00022 
00023 static int parse(AVCodecParserContext *s,
00024                            AVCodecContext *avctx,
00025                            const uint8_t **poutbuf, int *poutbuf_size,
00026                            const uint8_t *buf, int buf_size)
00027 {
00028     if(avctx->codec_id == CODEC_ID_THEORA)
00029         s->pict_type= (buf[0]&0x40) ? FF_P_TYPE : FF_I_TYPE;
00030     else
00031         s->pict_type= (buf[0]&0x80) ? FF_P_TYPE : FF_I_TYPE;
00032 
00033     *poutbuf = buf;
00034     *poutbuf_size = buf_size;
00035     return buf_size;
00036 }
00037 
00038 AVCodecParser vp3_parser = {
00039     { CODEC_ID_THEORA, CODEC_ID_VP3,
00040       CODEC_ID_VP6,    CODEC_ID_VP6F, CODEC_ID_VP6A },
00041     0,
00042     NULL,
00043     parse,
00044 };

Generated on Fri Sep 16 2011 17:17:45 for FFmpeg by  doxygen 1.7.1