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java.lang.Objectcom.sun.speech.freetts.audio.NullAudioPlayer
Provides an implementation of AudioPlayer that sends
all audio data to the bit bucket. The NullAudioPlayer
is instrumented to provide timing metrics.
| Constructor Summary | |
NullAudioPlayer()
Constructs a NullAudioPlayer |
|
| Method Summary | |
void |
begin(int size)
Starts the output of a set of data |
void |
cancel()
Cancels all queued output. |
void |
close()
Waits for all audio playback to stop, and closes this AudioPlayer. |
boolean |
drain()
Waits for all queued audio to be played |
boolean |
end()
Marks the end of a set of data |
javax.sound.sampled.AudioFormat |
getAudioFormat()
Retrieves the audio format for this player |
long |
getTime()
Gets the amount of played since the last resetTime Currently not supported. |
float |
getVolume()
Returns the current volume. |
void |
pause()
Pauses the audio output |
void |
reset()
Prepares for another batch of output. |
void |
resetTime()
Resets the audio clock |
void |
resume()
Resumes audio output |
void |
setAudioFormat(javax.sound.sampled.AudioFormat format)
Sets the audio format for this player |
void |
setVolume(float volume)
Sets the current volume. |
void |
showMetrics()
Shows metrics for this audio player |
void |
startFirstSampleTimer()
Starts the first sample timer |
boolean |
write(byte[] audioData)
Writes the given bytes to the audio stream |
boolean |
write(byte[] bytes,
int offset,
int size)
Writes the given bytes to the audio stream |
| Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
public NullAudioPlayer()
| Method Detail |
public void setAudioFormat(javax.sound.sampled.AudioFormat format)
setAudioFormat in interface AudioPlayerformat - the audio formatpublic javax.sound.sampled.AudioFormat getAudioFormat()
getAudioFormat in interface AudioPlayerpublic void cancel()
cancel in interface AudioPlayerpublic void pause()
pause in interface AudioPlayerpublic void reset()
reset in interface AudioPlayerpublic void resume()
resume in interface AudioPlayerpublic void close()
close in interface AudioPlayerpublic float getVolume()
getVolume in interface AudioPlayerpublic void setVolume(float volume)
setVolume in interface AudioPlayervolume - the current volume (between 0 and 1)public boolean write(byte[] audioData)
write in interface AudioPlayeraudioData - array of audio data
true of the write completed successfully,
false if the write was cancelled.public void begin(int size)
begin in interface AudioPlayersize - the size of data between now and the endpublic boolean end()
end in interface AudioPlayertrue if the audio was output properly,
false if the output was canceled
or interrupted.
public boolean write(byte[] bytes,
int offset,
int size)
write in interface AudioPlayerbytes - audio data to write to the deviceoffset - the offset into the buffersize - the size into the buffer
true of the write completed successfully,
false if the write was cancelled.public void startFirstSampleTimer()
startFirstSampleTimer in interface AudioPlayerpublic boolean drain()
drain in interface AudioPlayertrue if the audio played to completion,
false if the audio was stoppedpublic long getTime()
getTime in interface AudioPlayerpublic void resetTime()
resetTime in interface AudioPlayerpublic void showMetrics()
showMetrics in interface AudioPlayer
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