FFmpeg: libavcodec/vp8_parser.c Source File

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     s->pict_type= (buf[0]&0x01) ? AV_PICTURE_TYPE_P : AV_PICTURE_TYPE_I;
00029 
00030     *poutbuf = buf;
00031     *poutbuf_size = buf_size;
00032     return buf_size;
00033 }
00034 
00035 AVCodecParser ff_vp8_parser = {
00036     .codec_ids      = { AV_CODEC_ID_VP8 },
00037     .parser_parse   = parse,
00038 };