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*
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package com.sun.media.sound;
import javax.sound.sampled.AudioFileFormat;
import javax.sound.sampled.AudioFormat;
import javax.sound.sampled.AudioSystem;
An instance of the StandardFileFormat
describes the file's length in bytes and the length in sample frames as longs. This will provide an additional precision unlike the AudioFileFormat
. /**
* An instance of the {@code StandardFileFormat} describes the file's length in
* bytes and the length in sample frames as longs. This will provide an
* additional precision unlike the {@code AudioFileFormat}.
*/
class StandardFileFormat extends AudioFileFormat {
File length in bytes stored as long.
/**
* File length in bytes stored as long.
*/
private final long byteLength;
Audio data length in sample frames stored as long.
/**
* Audio data length in sample frames stored as long.
*/
private final long frameLength;
Constructs StandardFileFormat
object. Params: - type – the type of the audio file
- format – the format of the audio data contained in the file
- frameLength – the audio data length in sample frames, or
AudioSystem.NOT_SPECIFIED
/**
* Constructs {@code StandardFileFormat} object.
*
* @param type the type of the audio file
* @param format the format of the audio data contained in the file
* @param frameLength the audio data length in sample frames, or
* {@code AudioSystem.NOT_SPECIFIED}
*/
StandardFileFormat(final Type type, final AudioFormat format,
final long frameLength) {
this(type, AudioSystem.NOT_SPECIFIED, format, frameLength);
}
Constructs StandardFileFormat
object. Params: - type – the type of the audio file
- byteLength – the length of the file in bytes, or
AudioSystem.NOT_SPECIFIED
- format – the format of the audio data contained in the file
- frameLength – the audio data length in sample frames, or
AudioSystem.NOT_SPECIFIED
/**
* Constructs {@code StandardFileFormat} object.
*
* @param type the type of the audio file
* @param byteLength the length of the file in bytes, or
* {@code AudioSystem.NOT_SPECIFIED}
* @param format the format of the audio data contained in the file
* @param frameLength the audio data length in sample frames, or
* {@code AudioSystem.NOT_SPECIFIED}
*/
StandardFileFormat(final Type type, final long byteLength,
final AudioFormat format, final long frameLength) {
super(type, clip(byteLength), format, clip(frameLength));
this.byteLength = byteLength;
this.frameLength = frameLength;
}
Replaces the passed value to AudioSystem.NOT_SPECIFIED
if the value is greater than Integer.MAX_VALUE
. Params: - value – which should be clipped
Returns: the clipped value
/**
* Replaces the passed value to {@code AudioSystem.NOT_SPECIFIED} if the
* value is greater than {@code Integer.MAX_VALUE}.
*
* @param value which should be clipped
* @return the clipped value
*/
private static int clip(final long value) {
if (value > Integer.MAX_VALUE) {
return AudioSystem.NOT_SPECIFIED;
}
return (int) value;
}
Obtains the length of the audio data contained in the file, expressed in
sample frames. The long precision is used.
See Also: Returns: the number of sample frames of audio data in the file
/**
* Obtains the length of the audio data contained in the file, expressed in
* sample frames. The long precision is used.
*
* @return the number of sample frames of audio data in the file
* @see AudioSystem#NOT_SPECIFIED
*/
public final long getLongFrameLength() {
return frameLength;
}
Obtains the size in bytes of the entire audio file (not just its audio
data). The long precision is used.
See Also: Returns: the audio file length in bytes
/**
* Obtains the size in bytes of the entire audio file (not just its audio
* data). The long precision is used.
*
* @return the audio file length in bytes
* @see AudioSystem#NOT_SPECIFIED
*/
public final long getLongByteLength() {
return byteLength;
}
}