src/wav_reader.h

   1 /*
   2  * Copyright (C) 2013 nu774
   3  * For conditions of distribution and use, see copyright notice in COPYING
   4  */
   5 #ifndef WAV_READER_H
   6 #define WAV_READER_H
   7
   8 #include "lpcm.h"
   9 #include "pcm_reader.h"
  10
  11 enum wav_error_code {
  12     WAV_IO_ERROR = 1,
  13     WAV_NO_MEMORY,
  14     WAV_INVALID_FORMAT,
  15     WAV_UNSUPPORTED_FORMAT
  16 };
  17
  18 typedef int (*wav_read_callback)(void *cookie, void *data, uint32_t size);
  19 typedef int (*wav_seek_callback)(void *cookie, int64_t off, int whence);
  20 typedef int64_t (*wav_tell_callback)(void *cookie);
  21
  22 typedef struct wav_io_context_t {
  23     wav_read_callback read;
  24     wav_seek_callback seek;
  25     wav_tell_callback tell;
  26 } wav_io_context_t;
  27
  28 typedef struct wav_reader_t wav_reader_t;
  29
  30 pcm_reader_t *wav_open(wav_io_context_t *io_ctx, void *io_cookie,
  31                        int ignore_length);
  32 pcm_reader_t *raw_open(wav_io_context_t *io_ctx, void *io_cookie,
  33                        const pcm_sample_description_t *desc);
  34
  35 #endif