Sound

Module that handles audio features. More...

Enumerations
enum	ShutterId { IMAGE_CAPTURE , VIDEO_CAPTURE_START , VIDEO_CAPTURE_END }
	Shutter sound IDs for Sound.playShutter. More...

Functions
void	Sound::init (void)
	Initialize audio subsystem.
void	Sound::term (void)
	Terminate audio subsystem.
int	Sound::open (string filename)
	Open an audio file.
void	Sound::play (int music, bool loop)
	Play a sound.
void	Sound::pause (int music)
	Pause a sound.
void	Sound::resume (int music)
	Resume a sound.
void	Sound::close (int music)
	Close an opened sound.
bool	Sound::isPlaying (int music)
	Check if a given sound is in playing state.
void	Sound::setVolume (int music, int volume)
	Set internal volume for a given sound.
int	Sound::getVolume (int music)
	Get internal volume for a given sound.
string	Sound::getTitle (int music)
	Get song title of a given sound.
string	Sound::getAuthor (int music)
	Get song author of a given sound.
void	Sound::playShutter (ShutterId id)
	Play a shutter sound.

Detailed Description

Module that handles audio features.

Enumeration Type Documentation

ShutterId

enum ShutterId

Shutter sound IDs for Sound.playShutter.

Enumerator
IMAGE_CAPTURE	Image capture shutter sound.
VIDEO_CAPTURE_START	Video record start shutter sound.
VIDEO_CAPTURE_END	Video record end shutter sound.

Function Documentation

init()

void Sound::init

(

void

)

Initialize audio subsystem.

Usage example:

Sound.init()

term()

void Sound::term

(

void

)

Terminate audio subsystem.

Usage example:

Sound.term()

open()

int Sound::open

(

string

filename

)

Open an audio file.

Usage example:

snd = Sound.open("ux0:/data/audio.opus")

Parameters

filename

- Name of the file to open

Returns

A valid sound ID.

Note

Supported audio formats: .wav, .aif, .aiff, .opus, .ogg, .mid, .midi, .mp3.

This function can be used to reproduce audio track from a .pshv video file too.

play()

void Sound::play	(	int	music,
		bool	loop
	)

Play a sound.

Usage example:

Sound.play(snd, NO_LOOP)

Parameters

music	- A valid sound ID.
loop	- If true, playback will loop (optional).

pause()

void Sound::pause

(

int

music

)

Pause a sound.

Usage example:

Sound.pause(snd)

Parameters

music

- A valid sound ID.

resume()

void Sound::resume

(

int

music

)

Resume a sound.

Usage example:

Sound.resume(snd)

Parameters

music

- A valid sound ID.

close()

void Sound::close

(

int

music

)

Close an opened sound.

Usage example:

Sound.close(snd)

Parameters

music

- A valid sound ID.

isPlaying()

bool Sound::isPlaying

(

int

music

)

Check if a given sound is in playing state.

Usage example:

if Sound.isPlaying(snd) then
    Sound.pause(snd)
end

Parameters

music

- A valid sound ID.

Returns

true if playing, false otherwise.

setVolume()

void Sound::setVolume	(	int	music,
		int	volume
	)

Set internal volume for a given sound.

Usage example:

Sound.setVolume(snd, 100)

Parameters

music	- A valid sound ID.
volume	- Volume value to set.

Note

volume must be in a range of 0 and 32767.

getVolume()

int Sound::getVolume

(

int

music

)

Get internal volume for a given sound.

Usage example:

vol = Sound.getVolume(snd)

Parameters

music

- A valid sound ID.

Returns

Volume value of the given sound.

getTitle()

string Sound::getTitle

(

int

music

)

Get song title of a given sound.

Usage example:

title = Sound.getTitle(snd)

Parameters

music

- A valid sound ID.

Returns

Song title of the given sound.

Note

This function works only with .ogg, .mp3, .opus and .wav audio files.

getAuthor()

string Sound::getAuthor

(

int

music

)

Get song author of a given sound.

Usage example:

author = Sound.getAuthor(snd)

Parameters

music

- A valid sound ID.

Returns

Song author of the given sound.

Note

This function works only with .ogg, .mp3, .opus and .wav audio files.

playShutter()

void Sound::playShutter

(

ShutterId

id

)

Play a shutter sound.

Usage example:

Sound.playShutter(IMAGE_CAPTURE)

Parameters

id	- A valid shutter sound ID.