[audio-libsamplerate.git] / libsamplerate / examples / audio_out.h

/*
** Copyright (c) 1999-2016, Erik de Castro Lopo <erikd@mega-nerd.com>
** 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_s 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) ;
Commit	Line	Data
8529da43 MG	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) ;