workbench/devs/diskimage/include/audio/mp3_mpega.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_MP3_H
  28 #define AUDIO_MP3_H
  29
  30 #ifndef EXEC_TYPES_H
  31 #include <exec/types.h>
  32 #endif
  33 #ifndef LIBRARIES_MPEGA_H
  34 #include <libraries/mpega.h>
  35 #endif
  36
  37 typedef struct _MP3_STREAM {
  38         ULONG length;
  39         void (*close)(struct _MP3_STREAM *stream);
  40         LONG (*read)(struct _MP3_STREAM *stream, APTR buffer, ULONG offset, ULONG length);
  41         MPEGA_STREAM *stream;
  42         LONG sample_offset;
  43         WORD *pcm[2];
  44         LONG first_sample_in_pcm;
  45         LONG samples_in_pcm;
  46         BOOL eof;
  47 } MP3_STREAM;
  48
  49 MP3_STREAM *MP3_open(CONST_STRPTR filename);
  50
  51 #endif