00001 /* 00002 * Copyright (c) 2012 Justin Ruggles 00003 * 00004 * This file is part of Libav. 00005 * 00006 * Libav 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 * Libav 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 Libav; if not, write to the Free Software 00018 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 00019 */ 00020 00028 #ifndef AVCODEC_VORBIS_PARSER_H 00029 #define AVCODEC_VORBIS_PARSER_H 00030 00031 #include "avcodec.h" 00032 00033 typedef struct VorbisParseContext { 00034 AVCodecContext *avctx; 00035 int extradata_parsed; 00036 int valid_extradata; 00037 int blocksize[2]; 00038 int previous_blocksize; 00039 int mode_blocksize[64]; 00040 int mode_count; 00041 int mode_mask; 00042 int prev_mask; 00043 } VorbisParseContext; 00044 00051 int avpriv_vorbis_parse_extradata(AVCodecContext *avctx, VorbisParseContext *s); 00052 00063 int avpriv_vorbis_parse_frame(VorbisParseContext *s, const uint8_t *buf, 00064 int buf_size); 00065 00066 void avpriv_vorbis_parse_reset(VorbisParseContext *s); 00067 00068 #endif /* AVCODEC_VORBIS_PARSER_H */