src/add-ons/media/plugins/wav_reader/wav.h

   1 /*
   2  * Copyright (c) 2003, Marcus Overhagen
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without modification,
   6  * are permitted provided that the following conditions are met:
   7  *
   8  *  * Redistributions of source code must retain the above copyright notice,
   9  *    this list of conditions and the following disclaimer.
  10  *  * Redistributions in binary form must reproduce the above copyright notice,
  11  *    this list of conditions and the following disclaimer in the documentation
  12  *    and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
  15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  16  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  17  * IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
  18  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
  19  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  20  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  21  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
  22  * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  23  * OF THE POSSIBILITY OF SUCH DAMAGE.
  24  */
  25 #ifndef _WAV_H
  26 #define _WAV_H
  27
  28 struct riff_struct
  29 {
  30         uint32 riff_id; // 'RIFF'
  31         uint32 len;
  32         uint32 wave_id; // 'WAVE'
  33 };
  34
  35 struct chunk_struct
  36 {
  37         uint32 fourcc;
  38         uint32 len;
  39 };
  40
  41 struct format_struct
  42 {
  43         uint16 format_tag;
  44         uint16 channels;
  45         uint32 samples_per_sec;
  46         uint32 avg_bytes_per_sec;
  47         uint16 block_align;
  48         uint16 bits_per_sample;
  49 };
  50
  51 struct wave_format_ex {
  52         uint16 format_tag;
  53         uint16 channels;
  54         uint32 samples_per_sec;
  55         uint32 avg_bytes_per_sec;
  56         uint16 block_align;
  57         uint16 bits_per_sample;
  58         uint16 extra_size;
  59         uint8  extra_data[64];  // allow for 64 bytes of extra data
  60 };
  61
  62 struct mpeg3_wav_format {
  63         uint16 format_tag;
  64         uint16 channels;
  65         uint32 samples_per_sec;
  66         uint32 avg_bytes_per_sec;
  67         uint16 block_align;
  68         uint16 bits_per_sample;
  69         uint16 extra_size;
  70         uint16 id;
  71         uint32 flags;
  72         uint16 block_size;
  73         uint16 frames_per_block;
  74         uint16 codec_delay;
  75 };
  76
  77 struct mpeg1_wav_format {
  78         uint16 format_tag;
  79         uint16 channels;
  80         uint32 samples_per_sec;
  81         uint32 avg_bytes_per_sec;
  82         uint16 block_align;
  83         uint16 bits_per_sample;
  84         uint16 extra_size;
  85         uint16 head_layer;
  86         uint32 head_bitrate;
  87         uint16 head_mode;
  88         uint16 head_mode_ext;
  89         uint16 head_emphasis;
  90         uint16 head_flags;
  91         uint32 pts_low;
  92         uint32 pts_high;
  93 };
  94
  95 struct format_struct_extensible
  96 {
  97         uint16 format_tag; // 0xfffe for extensible format
  98         uint16 channels;
  99         uint32 samples_per_sec;
 100         uint32 avg_bytes_per_sec;
 101         uint16 block_align;
 102         uint16 bits_per_sample;
 103         uint16 ext_size;
 104         uint16 valid_bits_per_sample;
 105         uint32 channel_mask;
 106         uint8  guid[16]; // first two bytes are format code
 107 };
 108
 109 struct fact_struct
 110 {
 111         uint32 sample_length;
 112 };
 113
 114 #endif