2 * Copyright (c) 2012 Justin Ruggles
4 * This file is part of FFmpeg.
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
25 * Determines the duration for each packet.
28 #ifndef AVCODEC_VORBIS_PARSER_H
29 #define AVCODEC_VORBIS_PARSER_H
32 #include "vorbis_parser.h"
34 struct AVVorbisParseContext {
36 int extradata_parsed; ///< we have attempted to parse extradata
37 int valid_extradata; ///< extradata is valid, so we can calculate duration
38 int blocksize[2]; ///< short and long window sizes
39 int previous_blocksize; ///< previous window size
40 int mode_blocksize[64]; ///< window size mapping for each mode
41 int mode_count; ///< number of modes
42 int mode_mask; ///< bitmask used to get the mode in each packet
43 int prev_mask; ///< bitmask used to get the previous mode flag in each packet
46 #endif /* AVCODEC_VORBIS_PARSER_H */