libsamplerate/examples/audio_out.h

   1 /*
   2 ** Copyright (c) 1999-2016, Erik de Castro Lopo <erikd@mega-nerd.com>
   3 ** All rights reserved.
   4 **
   5 ** This code is released under 2-clause BSD license. Please see the
   6 ** file at : https://github.com/erikd/libsamplerate/blob/master/COPYING
   7 */
   8
   9 typedef struct AUDIO_OUT_s AUDIO_OUT ;
  10
  11 typedef int (*get_audio_callback_t) (void *callback_data, float *samples, int frames) ;
  12
  13 /* A general audio output function (Linux/ALSA, Linux/OSS, Win32, MacOSX,
  14 ** Solaris) which retrieves data using the callback function in the above
  15 ** struct.
  16 **
  17 ** audio_open - opens the device and returns an anonymous pointer to its
  18 **              own private data.
  19 */
  20
  21 AUDIO_OUT *audio_open (int channels, int samplerate) ;
  22
  23 void audio_play (get_audio_callback_t callback, AUDIO_OUT *audio_out, void *callback_data) ;
  24
  25 void audio_close (AUDIO_OUT *audio_data) ;