Audio output. More...

#include <libtransistor/types.h>
#include <libtransistor/audio.h>

Include dependency graph for audio.h:

This graph shows which files directly or indirectly include this file:

Functions
result_t	audio_ipc_init ()
	Initialize Audio.

result_t	audio_ipc_list_outputs (char(names)[0x20], int max_names, uint32_t num_names)
	Lists the audio outputs. More...

result_t	audio_ipc_open_output (const char name[0x20], audio_output_t *out)
	Opens an audio output. More...

result_t	audio_ipc_output_get_state (audio_output_t out, audio_output_state_t state)
	Get the current state of the audio output. More...

result_t	audio_ipc_output_start (audio_output_t *out)
	Start audio output. More...

result_t	audio_ipc_output_stop (audio_output_t *out)
	Stop audio output. More...

result_t	audio_ipc_output_register_buffer_event (audio_output_t out, handle_t event)
	Get buffer-release event. More...

result_t	audio_ipc_output_append_buffer (audio_output_t out, audio_output_buffer_t buffer)
	audio_ipc_output_append_buffer More...

result_t	audio_ipc_output_get_released_buffer (audio_output_t out, uint32_t num_released, audio_output_buffer_t **buffer)
	audio_ipc_output_get_released_buffer More...

result_t	audio_ipc_output_contains_buffer (audio_output_t out, audio_output_buffer_t buffer, bool *contains)
	audio_ipc_output_contains_buffer More...

void	audio_ipc_output_close (audio_output_t *out)
	Closes the audio output. More...

void	audio_ipc_finalize ()
	Finalize audio.

Detailed Description

Audio output.

Function Documentation

result_t audio_ipc_list_outputs	(	char(*)	names[0x20],
		int	max_names,
		uint32_t *	num_names
	)

Lists the audio outputs.

Parameters

names	Array of audio output names
max_names	Maximum number of names that will fit in the array
num_names	Actual number of names returned

result_t audio_ipc_open_output	(	const char	name[0x20],
		audio_output_t *	out
	)

Opens an audio output.

Parameters

name	Name of the output (from audio_ipc_list_outputs)
out	Output structure to initialize

result_t audio_ipc_output_append_buffer	(	audio_output_t *	out,
		audio_output_buffer_t *	buffer
	)

audio_ipc_output_append_buffer

Parameters

out	Audio output to append buffer to
buffer	Audio buffer to append

void audio_ipc_output_close ( audio_output_t * out )

Closes the audio output.

Parameters

out	Audio output to query

result_t audio_ipc_output_contains_buffer	(	audio_output_t *	out,
		audio_output_buffer_t *	buffer,
		bool *	contains
	)

audio_ipc_output_contains_buffer

Parameters

out	Audio output to query
buffer	Buffer to query
contains	Whether or not the buffer has been appended

result_t audio_ipc_output_get_released_buffer	(	audio_output_t *	out,
		uint32_t *	num_released,
		audio_output_buffer_t **	buffer
	)

audio_ipc_output_get_released_buffer

Parameters

out	Audio output to query
num_released	Number of released buffers
buffer	Pointer to released buffer

result_t audio_ipc_output_get_state	(	audio_output_t *	out,
		audio_output_state_t *	state
	)

Get the current state of the audio output.

Parameters

out	Audio output to query
state	Returned state

result_t audio_ipc_output_register_buffer_event	(	audio_output_t *	out,
		handle_t *	event
	)

Get buffer-release event.

Parameters

out	Audio output
event	Acquired event

This event is signalled whenever an audio buffer is released.

result_t audio_ipc_output_start ( audio_output_t * out )

Start audio output.

Parameters

out	Audio output to start

result_t audio_ipc_output_stop ( audio_output_t * out )

Stop audio output.

Parameters

out	Audio output to stop

Functions

Detailed Description

Function Documentation