org.videolan.libvlc

Class MediaPlayer.Equalizer

java.lang.Object

org.videolan.libvlc.MediaPlayer.Equalizer

Enclosing class:

MediaPlayer

public static class MediaPlayer.Equalizer
extends Object

Method Summary

Modifier and Type	Method and Description
static MediaPlayer.Equalizer	create() Create a new default equalizer, with all frequency values zeroed.
static MediaPlayer.Equalizer	createFromPreset(int index) Create a new equalizer, with initial frequency values copied from an existing preset.
protected void	finalize()
float	getAmp(int index) Get the amplification value for a particular equalizer frequency band.
static int	getBandCount() Get the number of distinct frequency bands for an equalizer.
static float	getBandFrequency(int index) Get a particular equalizer band frequency.
float	getPreAmp() Get the current pre-amplification value from an equalizer.
static int	getPresetCount() Get the number of equalizer presets.
static String	getPresetName(int index) Get the name of a particular equalizer preset.
boolean	setAmp(int index, float amp) Set a new amplification value for a particular equalizer frequency band.
boolean	setPreAmp(float preamp) Set a new pre-amplification value for an equalizer.

Methods inherited from class java.lang.Object

clone, equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

finalize

protected void finalize()
                 throws Throwable

Overrides:

finalize in class Object

Throws:

Throwable

create

public static MediaPlayer.Equalizer create()

Create a new default equalizer, with all frequency values zeroed. The new equalizer can subsequently be applied to a media player by invoking MediaPlayer.setEqualizer(org.videolan.libvlc.MediaPlayer.Equalizer).

createFromPreset

public static MediaPlayer.Equalizer createFromPreset(int index)

Create a new equalizer, with initial frequency values copied from an existing preset. The new equalizer can subsequently be applied to a media player by invoking MediaPlayer.setEqualizer(org.videolan.libvlc.MediaPlayer.Equalizer).

getPresetCount

public static int getPresetCount()

Get the number of equalizer presets.

getPresetName

public static String getPresetName(int index)

Get the name of a particular equalizer preset. This name can be used, for example, to prepare a preset label or menu in a user interface.

Parameters:

index - index of the preset, counting from zero.

Returns:

preset name, or NULL if there is no such preset

getBandCount

public static int getBandCount()

Get the number of distinct frequency bands for an equalizer.

getBandFrequency

public static float getBandFrequency(int index)

Get a particular equalizer band frequency. This value can be used, for example, to create a label for an equalizer band control in a user interface.

Parameters:

index - index of the band, counting from zero.

Returns:

equalizer band frequency (Hz), or -1 if there is no such band

getPreAmp

public float getPreAmp()

Get the current pre-amplification value from an equalizer.

Returns:

preamp value (Hz)

setPreAmp

public boolean setPreAmp(float preamp)

Set a new pre-amplification value for an equalizer. The new equalizer settings are subsequently applied to a media player by invoking MediaPlayer.setEqualizer(org.videolan.libvlc.MediaPlayer.Equalizer). The supplied amplification value will be clamped to the -20.0 to +20.0 range.

Parameters:

preamp - value (-20.0 to 20.0 Hz)

Returns:

true on success.

getAmp

public float getAmp(int index)

Get the amplification value for a particular equalizer frequency band.

Parameters:

index - counting from zero, of the frequency band to get.

Returns:

amplification value (Hz); NaN if there is no such frequency band.

setAmp

public boolean setAmp(int index,
                      float amp)

Set a new amplification value for a particular equalizer frequency band. The new equalizer settings are subsequently applied to a media player by invoking MediaPlayer.setEqualizer(org.videolan.libvlc.MediaPlayer.Equalizer). The supplied amplification value will be clamped to the -20.0 to +20.0 range.

Parameters:

index - counting from zero, of the frequency band to set.

amp - amplification value (-20.0 to 20.0 Hz). \return true on success.