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  1. /*
  2.  * Creative Voice File demuxer.
  3.  * Copyright (c) 2006  Aurelien Jacobs <aurel@gnuage.org>
  4.  *
  5.  * This file is part of FFmpeg.
  6.  *
  7.  * FFmpeg is free software; you can redistribute it and/or
  8.  * modify it under the terms of the GNU Lesser General Public
  9.  * License as published by the Free Software Foundation; either
  10.  * version 2.1 of the License, or (at your option) any later version.
  11.  *
  12.  * FFmpeg is distributed in the hope that it will be useful,
  13.  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15.  * Lesser General Public License for more details.
  16.  *
  17.  * You should have received a copy of the GNU Lesser General Public
  18.  * License along with FFmpeg; if not, write to the Free Software
  19.  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  20.  */
  21.  
  22. #ifndef AVFORMAT_VOC_H
  23. #define AVFORMAT_VOC_H
  24.  
  25. #include "avformat.h"
  26. #include "internal.h"
  27.  
  28. typedef struct voc_dec_context {
  29.     int64_t remaining_size;
  30. } VocDecContext;
  31.  
  32. typedef enum voc_type {
  33.     VOC_TYPE_EOF              = 0x00,
  34.     VOC_TYPE_VOICE_DATA       = 0x01,
  35.     VOC_TYPE_VOICE_DATA_CONT  = 0x02,
  36.     VOC_TYPE_SILENCE          = 0x03,
  37.     VOC_TYPE_MARKER           = 0x04,
  38.     VOC_TYPE_ASCII            = 0x05,
  39.     VOC_TYPE_REPETITION_START = 0x06,
  40.     VOC_TYPE_REPETITION_END   = 0x07,
  41.     VOC_TYPE_EXTENDED         = 0x08,
  42.     VOC_TYPE_NEW_VOICE_DATA   = 0x09,
  43. } VocType;
  44.  
  45. extern const unsigned char ff_voc_magic[21];
  46. extern const AVCodecTag ff_voc_codec_tags[];
  47.  
  48. int ff_voc_get_packet(AVFormatContext *s, AVPacket *pkt,
  49.                       AVStream *st, int max_size);
  50.  
  51. #endif /* AVFORMAT_VOC_H */
  52.