ref: a3872f05a1cf44bda67a8776f1d097bc61ae750d
dir: /examples/audio_out.h/
/* ** Copyright (c) 1999-2016, Erik de Castro Lopo <[email protected]> ** All rights reserved. ** ** This code is released under 2-clause BSD license. Please see the ** file at : https://github.com/erikd/libsamplerate/blob/master/COPYING */ typedef struct AUDIO_OUT AUDIO_OUT ; typedef int (*get_audio_callback_t) (void *callback_data, float *samples, int frames) ; /* A general audio output function (Linux/ALSA, Linux/OSS, Win32, MacOSX, ** Solaris) which retrieves data using the callback function in the above ** struct. ** ** audio_open - opens the device and returns an anonymous pointer to its ** own private data. */ AUDIO_OUT *audio_open (int channels, int samplerate) ; void audio_play (get_audio_callback_t callback, AUDIO_OUT *audio_out, void *callback_data) ; void audio_close (AUDIO_OUT *audio_data) ;