libavformat/voc.h

   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 "riff.h"    /* for CodecTag */
  27
  28 typedef struct voc_dec_context {
  29     int 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 voc_get_packet(AVFormatContext *s, AVPacket *pkt,
  49                    AVStream *st, int max_size);
  50
  51 #endif /* AVFORMAT_VOC_H */