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libavformat/voc.h

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00001 /*
00002  * Creative Voice File demuxer.
00003  * Copyright (c) 2006  Aurelien Jacobs <aurel@gnuage.org>
00004  *
00005  * This file is part of FFmpeg.
00006  *
00007  * FFmpeg 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  * FFmpeg 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 FFmpeg; if not, write to the Free Software
00019  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
00020  */
00021 
00022 #ifndef AVFORMAT_VOC_H
00023 #define AVFORMAT_VOC_H
00024 
00025 #include "avformat.h"
00026 #include "riff.h"    /* for CodecTag */
00027 
00028 typedef struct voc_dec_context {
00029     int64_t remaining_size;
00030 } VocDecContext;
00031 
00032 typedef enum voc_type {
00033     VOC_TYPE_EOF              = 0x00,
00034     VOC_TYPE_VOICE_DATA       = 0x01,
00035     VOC_TYPE_VOICE_DATA_CONT  = 0x02,
00036     VOC_TYPE_SILENCE          = 0x03,
00037     VOC_TYPE_MARKER           = 0x04,
00038     VOC_TYPE_ASCII            = 0x05,
00039     VOC_TYPE_REPETITION_START = 0x06,
00040     VOC_TYPE_REPETITION_END   = 0x07,
00041     VOC_TYPE_EXTENDED         = 0x08,
00042     VOC_TYPE_NEW_VOICE_DATA   = 0x09,
00043 } VocType;
00044 
00045 extern const unsigned char ff_voc_magic[21];
00046 extern const AVCodecTag ff_voc_codec_tags[];
00047 
00048 int voc_get_packet(AVFormatContext *s, AVPacket *pkt,
00049                    AVStream *st, int max_size);
00050 
00051 #endif /* AVFORMAT_VOC_H */

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