Data Structures
struct	SceAudioInputParams

Functions
int	sceAudioOutput (u32 chanId, int vol, void *buf)

int	sceAudioOutputBlocking (u32 chanId, int vol, void *buf)

int	sceAudioOutputPanned (u32 chanId, int leftVol, int rightVol, void *buf)

int	sceAudioOutputPannedBlocking (u32 chanId, int leftVol, int rightVol, void *buf)

int	sceAudioChReserve (int channel, int sampleCount, int format)

int	sceAudioOneshotOutput (int chanId, int sampleCount, int fmt, int leftVol, int rightVol, void *buf)

int	sceAudioChRelease (u32 channel)

int	sceAudioGetChannelRestLength (u32 chanId)

int	sceAudioSetChannelDataLen (u32 chanId, int sampleCount)

int	sceAudioChangeChannelVolume (u32 chanId, int leftVol, int rightVol)

int	sceAudioChangeChannelConfig (u32 chanId, int format)

int	sceAudioOutput2ChangeLength (int sampleCount)

int	sceAudioOutput2GetRestSample (void)

int	sceAudioGetChannelRestLen (u32 chanId)

int	sceAudioOutput2Reserve (int sampleCount)

int	sceAudioOutput2OutputBlocking (int vol, void *buf)

int	sceAudioOutput2Release (void)

int	sceAudioSetFrequency (int freq)

int	sceAudioInit ()

int	sceAudioLoopbackTest (int arg0)

int	sceAudioEnd ()

int	sceAudio_driver_FF298CE7 (int arg)

int	sceAudioSetVolumeOffset (int arg)

int	sceAudioSRCChReserve (int sampleCount, int freq, int numChans)

int	sceAudioSRCChRelease (void)

int	sceAudioSRCOutputBlocking (int vol, void *buf)

int	sceAudioWaitInputEnd ()

int	sceAudioInputInitEx (SceAudioInputParams *param)

int	sceAudioInputInit (int arg0, int gain, int arg2)

int	sceAudioInputBlocking (int sampleCount, int freq, void *buf)

int	sceAudioInput (int sampleCount, int freq, void *buf)

int	sceAudioGetInputLength ()

int	sceAudioPollInputEnd ()

int	sceAudio_driver_5182B550 (int arg)

Detailed Description

Author: artart78

Version: 6.60

The audio.prx module RE'ing.

Function Documentation

◆ sceAudioOutput()

int sceAudioOutput	(	u32	chanId,
		int	vol,
		void *	buf
	)

Outputs audio (raw PCM) to channel.

Parameters

chanId	The channel ID, returned by sceAudioChReserve().
vol	The volume (0 - 0xFFFF).
buf	The PCM buffer to output.

Returns: The sample count in case of success, otherwise less than zero.

◆ sceAudioOutputBlocking()

int sceAudioOutputBlocking	(	u32	chanId,
		int	vol,
		void *	buf
	)

Outputs audio (raw PCM) to channel and doesn't return until everything has been played.

Parameters

chanId	The channel ID, returned by sceAudioChReserve().
vol	The volume (0 - 0xFFFF).
buf	The PCM buffer to output.

Returns: The sample count in case of success, otherwise less than zero.

◆ sceAudioOutputPanned()

int sceAudioOutputPanned	(	u32	chanId,
		int	leftVol,
		int	rightVol,
		void *	buf
	)

Outputs audio (raw PCM) to channel with different left and right volumes.

Parameters

chanId	The channel ID, returned by sceAudioChReserve().
leftVol	The left volume (0 - 0xFFFF).
rightVol	The right volume (0 - 0xFFFF).
buf	The PCM buffer to output.

Returns: The sample count in case of success, otherwise less than zero.

◆ sceAudioOutputPannedBlocking()

int sceAudioOutputPannedBlocking	(	u32	chanId,
		int	leftVol,
		int	rightVol,
		void *	buf
	)

Outputs audio (raw PCM) to channel with different left and right volumes. The function doesn't return until the entire buffer has been played.

Parameters

chanId	The channel ID, returned by sceAudioChReserve().
leftVol	The left volume (0 - 0xFFFF).
rightVol	The right volume (0 - 0xFFFF).
buf	The PCM buffer to output.

Returns: The sample count in case of success, otherwise less than zero.

◆ sceAudioChReserve()

int sceAudioChReserve	(	int	channel,
		int	sampleCount,
		int	format
	)

Reserves a channel.

Parameters

channel	The channel ID you want to reserve, or -1 if you want the first free one to be selected.
sampleCount	The number of samples.
format	The audio format (0x10 for MONO, 0 for STEREO)

Returns: The channel ID in case of success, otherwise less than zero.

◆ sceAudioOneshotOutput()

int sceAudioOneshotOutput	(	int	chanId,
		int	sampleCount,
		int	fmt,
		int	leftVol,
		int	rightVol,
		void *	buf
	)

Reserves the channel & outputs in "one shot"

Parameters

chanId	The channel ID, or -1 if you want the first free channel to be chose.
sampleCount	The number of samples to play.
fmt	The audio format (0x10 for MONO, 0 for STEREO)
leftVol	The left ear volume (0 - 0xFFFF).
rightVol	The right ear volume (0 - 0xFFFF).
buf	The PCM audio buffer.

Returns: The channel ID in case of success, otherwise less than zero.

◆ sceAudioChRelease()

int sceAudioChRelease ( u32 channel )

Releases a channel.

Parameters

channel The channel ID to release.

Returns: 0 in case of succes, otherwise less than zero.

◆ sceAudioGetChannelRestLength()

int sceAudioGetChannelRestLength ( u32 chanId )

Get the number of remaining unplayed samples of a channel.

Parameters

chanId The channel ID to check.

Returns: The number of remaining samples.

◆ sceAudioSetChannelDataLen()

int sceAudioSetChannelDataLen	(	u32	chanId,
		int	sampleCount
	)

Set the sample count of a channel.

Parameters

chanId	The channel ID.
sampleCount	The number of samples.

Returns: 0 on success, otherwise less than zero.

◆ sceAudioChangeChannelVolume()

int sceAudioChangeChannelVolume	(	u32	chanId,
		int	leftVol,
		int	rightVol
	)

Change the volume of a channel.

Parameters

chanId	The channel ID.
leftVol	The left ear volume.
rightVol	The right ear volume.

Returns: 0 on success, otherwise less than 0

◆ sceAudioChangeChannelConfig()

int sceAudioChangeChannelConfig	(	u32	chanId,
		int	format
	)

Change the format (mono/stereo) of a channel.

Parameters

chanId	The channel ID.
format	The audio format (0 for STEREO, 0x10 for MONO).

Returns: 0 on success, otherwise less than 0

◆ sceAudioOutput2ChangeLength()

int sceAudioOutput2ChangeLength ( int sampleCount )

Change SRC output sample count.

Parameters

sampleCount The sample count.

Returns: 0 on success, otherwise less than zero.

◆ sceAudioOutput2GetRestSample()

int sceAudioOutput2GetRestSample ( void )

Get the number of SRC unplayed samples.

Returns: The number of unplayed samples.

◆ sceAudioGetChannelRestLen()

int sceAudioGetChannelRestLen ( u32 chanId )

Get the number of unplayed samples of a channel.

Parameters

chanId The channel ID.

Returns: The number of samples in case of success, otherwise less than zero.

◆ sceAudioOutput2Reserve()

int sceAudioOutput2Reserve ( int sampleCount )

Reserve a SRC output.

Parameters

sampleCount The number of samples of the output.

Returns: 0 in case of success, otherwise less than zero.

◆ sceAudioOutput2OutputBlocking()

int sceAudioOutput2OutputBlocking	(	int	vol,
		void *	buf
	)

Output to SRC. This function only returns when all the samples have been played.

Parameters

vol	The output volume.
buf	The PCM audio buffer.

Returns: The sample count on success, otherwise less than zero.

◆ sceAudioOutput2Release()

int sceAudioOutput2Release ( void )

Release SRC output.

Returns: 0 on success, otherwise less than zero.

◆ sceAudioSetFrequency()

int sceAudioSetFrequency ( int freq )

Sets the audio output frequency.

Parameters

freq	The frequency (44100 or 48000).

Returns: 0 on success, otherwise less than zero.

◆ sceAudioInit()

int sceAudioInit ( )

Inits audio.

◆ sceAudioLoopbackTest()

int sceAudioLoopbackTest ( int arg0 )

Todo:: ?

◆ sceAudioEnd()

int sceAudioEnd ( )

Frees the audio system.

◆ sceAudio_driver_FF298CE7()

int sceAudio_driver_FF298CE7 ( int arg )

Selects the delaying mode.

Parameters

arg	If set to 1, channels 0 - 6 will be delayed after sceAudioOutputPannedBlocking, otherwise only channels 0 - 4 will be.

Returns: 0.

◆ sceAudioSetVolumeOffset()

int sceAudioSetVolumeOffset ( int arg )

Sets the volume offset/shifting.

Parameters

arg	The output buffer will be shifted by (arg + 8); default is 8, so arg = 0 is the default value.

Returns: 0.

◆ sceAudioSRCChReserve()

int sceAudioSRCChReserve	(	int	sampleCount,
		int	freq,
		int	numChans
	)

Reserves a SRC output.

Parameters

sampleCount	The number of samples.
freq	The output frequency.
numChans	The number of output "channels" (only 2 is accepted, for stereo)

Returns: 0 on success, otherwise less than zero.

◆ sceAudioSRCChRelease()

int sceAudioSRCChRelease ( void )

Releases a SRC output.

Returns: 0 on success, otherwise less than zero.

◆ sceAudioSRCOutputBlocking()

int sceAudioSRCOutputBlocking	(	int	vol,
		void *	buf
	)

Outputs to SRC. The functions returns only when all the buffer has been played.

Parameters

vol	The output volume (0 - 0xFFFF).
buf	The audio PCM buffer.

Returns: The sample count on success, otherwise less than zero.

◆ sceAudioWaitInputEnd()

int sceAudioWaitInputEnd ( )

Waits for the input to end.

Returns: 0 on success, otherwise less than 0.

◆ sceAudioInputInitEx()

int sceAudioInputInitEx ( SceAudioInputParams * param )

Inits audio input.

Parameters

param The structure containing the input parameters.

Returns: 0 on success, otherwise less than zero.

◆ sceAudioInputInit()

int sceAudioInputInit	(	int	arg0,
		int	gain,
		int	arg2
	)

Inits audio input (probably deprecated, has less parameters than sceAudioInputInitEx()).

Parameters

arg0

Todo:: ?

Parameters

gain	The input gain.
arg2

Todo:: ?

Returns: 0 on success, otherwise less than zero.

◆ sceAudioInputBlocking()

int sceAudioInputBlocking	(	int	sampleCount,
		int	freq,
		void *	buf
	)

Waits for the input to end, and store input.

Parameters

sampleCount	The number of samples to read.
freq	The input frequency.
buf	The audio PCM input buffer.

Returns: The number of played samples on success, otherwise less than zero.

◆ sceAudioInput()

int sceAudioInput	(	int	sampleCount,
		int	freq,
		void *	buf
	)

Store input.

Parameters

sampleCount	The number of samples to read.
freq	The input frequency.
buf	The audio PCM input buffer.

Returns: The number of played samples on success, otherwise less than zero.

◆ sceAudioGetInputLength()

int sceAudioGetInputLength ( )

Get the number of samples read from input.

Returns: The sample count.

◆ sceAudioPollInputEnd()

int sceAudioPollInputEnd ( )

Checks if the input has ended.

Returns: 1 if the input is still running, otherwise 0.

◆ sceAudio_driver_5182B550()

int sceAudio_driver_5182B550 ( int arg )

Todo:: ?

Data Structures

Functions

Detailed Description

Function Documentation

◆ sceAudioOutput()

◆ sceAudioOutputBlocking()

◆ sceAudioOutputPanned()

◆ sceAudioOutputPannedBlocking()

◆ sceAudioChReserve()

◆ sceAudioOneshotOutput()

◆ sceAudioChRelease()

◆ sceAudioGetChannelRestLength()

◆ sceAudioSetChannelDataLen()

◆ sceAudioChangeChannelVolume()

◆ sceAudioChangeChannelConfig()

◆ sceAudioOutput2ChangeLength()

◆ sceAudioOutput2GetRestSample()

◆ sceAudioGetChannelRestLen()

◆ sceAudioOutput2Reserve()

◆ sceAudioOutput2OutputBlocking()

◆ sceAudioOutput2Release()

◆ sceAudioSetFrequency()

◆ sceAudioInit()

◆ sceAudioLoopbackTest()

◆ sceAudioEnd()

◆ sceAudio_driver_FF298CE7()

◆ sceAudioSetVolumeOffset()

◆ sceAudioSRCChReserve()

◆ sceAudioSRCChRelease()

◆ sceAudioSRCOutputBlocking()

◆ sceAudioWaitInputEnd()

◆ sceAudioInputInitEx()

◆ sceAudioInputInit()

◆ sceAudioInputBlocking()

◆ sceAudioInput()

◆ sceAudioGetInputLength()

◆ sceAudioPollInputEnd()

◆ sceAudio_driver_5182B550()