audio.h File Reference

Audio Subsystem. More...

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Typedefs
typedef void(*	audio_fill_buffer_callback) (short *buffer, size_t numsamples)
	Will be called periodically when more sample data is needed.

Functions
void	audio_init (const int frequency, int numbuffers)
	Initialize the audio subsystem.
void	audio_set_buffer_callback (audio_fill_buffer_callback fill_buffer_callback)
	Install a audio callback to fill the audio buffer when required.
void	audio_pause (bool pause)
	Pause or resume audio playback.
volatile int	audio_can_write ()
	Return whether there is an empty buffer to write to.
void	audio_write_silence ()
	Write a chunk of silence.
void	audio_close ()
	Close the audio subsystem.
int	audio_get_frequency ()
	Return actual frequency of audio playback.
int	audio_get_buffer_length ()
	Get the number of stereo samples that fit into an allocated buffer.
short *	audio_write_begin (void)
	Start writing to the first free internal buffer.
void	audio_write_end (void)
	Complete writing to an internal buffer.
int	audio_push (const short *buffer, int nsamples, bool blocking)
	Push a chunk of audio data (high-level function)
void	audio_write (const short *const buffer)
	Write a chunk of audio data.

Detailed Description

Audio Subsystem.