workbench/devs/diskimage/include/audio/flac.h

   1 /* Copyright 2007-2012 Fredrik Wikstrom. All rights reserved.
   2 **
   3 ** Redistribution and use in source and binary forms, with or without
   4 ** modification, are permitted provided that the following conditions
   5 ** are met:
   6 **
   7 ** 1. Redistributions of source code must retain the above copyright
   8 **    notice, this list of conditions and the following disclaimer.
   9 **
  10 ** 2. Redistributions in binary form must reproduce the above copyright
  11 **    notice, this list of conditions and the following disclaimer in the
  12 **    documentation and/or other materials provided with the distribution.
  13 **
  14 ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
  15 ** AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16 ** IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  17 ** ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
  18 ** LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  19 ** CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  20 ** SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  21 ** INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  22 ** CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  23 ** ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  24 ** POSSIBILITY OF SUCH DAMAGE.
  25 */
  26
  27 #ifndef AUDIO_FLAC_H
  28 #define AUDIO_FLAC_H
  29
  30 #ifndef DEVICES_DISKIMAGE_H
  31 #include <devices/diskimage.h>
  32 #endif
  33 #ifndef FLAC__ALL_H
  34 #include <FLAC/all.h>
  35 #endif
  36
  37 typedef struct _FLAC_STREAM {
  38         ULONG length;
  39         void (*close)(struct _FLAC_STREAM *stream);
  40         LONG (*read)(struct _FLAC_STREAM *stream, APTR buffer, ULONG offset, ULONG length);
  41         BPTR file;
  42         FLAC__StreamDecoder *decoder;
  43         FLAC__StreamDecoderInitStatus init_status;
  44         FLAC__StreamMetadata *cuesheet;
  45         LONG total_samples;
  46         LONG sample_rate;
  47         LONG channels;
  48         LONG bits_per_sample;
  49         WORD *pcm[2];
  50         LONG pcm_size;
  51         LONG first_sample_in_pcm;
  52         LONG samples_in_pcm;
  53         LONG sample_offset;
  54         BOOL eof;
  55 } FLAC_STREAM;
  56
  57 BOOL FLAC_header(CONST_APTR p);
  58 FLAC_STREAM *FLAC_open(CONST_STRPTR filename, BOOL cuesheet);
  59
  60 #endif