com.sun.media.sound.SunCodec Maven / Gradle / Ivy
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*
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* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
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* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
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*/
package com.sun.media.sound;
import javax.sound.sampled.AudioFormat;
import javax.sound.sampled.AudioInputStream;
import javax.sound.sampled.spi.FormatConversionProvider;
/**
* A codec can encode and/or decode audio data. It provides an
* AudioInputStream from which processed data may be read.
*
* Its input format represents the format of the incoming
* audio data, or the format of the data in the underlying stream.
*
* Its output format represents the format of the processed, outgoing
* audio data. This is the format of the data which may be read from
* the filtered stream.
*
* @author Kara Kytle
*/
abstract class SunCodec extends FormatConversionProvider {
private final AudioFormat.Encoding[] inputEncodings;
private final AudioFormat.Encoding[] outputEncodings;
/**
* Constructs a new codec object.
*/
SunCodec(final AudioFormat.Encoding[] inputEncodings,
final AudioFormat.Encoding[] outputEncodings) {
this.inputEncodings = inputEncodings;
this.outputEncodings = outputEncodings;
}
/**
*/
public final AudioFormat.Encoding[] getSourceEncodings() {
AudioFormat.Encoding[] encodings = new AudioFormat.Encoding[inputEncodings.length];
System.arraycopy(inputEncodings, 0, encodings, 0, inputEncodings.length);
return encodings;
}
/**
*/
public final AudioFormat.Encoding[] getTargetEncodings() {
AudioFormat.Encoding[] encodings = new AudioFormat.Encoding[outputEncodings.length];
System.arraycopy(outputEncodings, 0, encodings, 0, outputEncodings.length);
return encodings;
}
/**
*/
public abstract AudioFormat.Encoding[] getTargetEncodings(AudioFormat sourceFormat);
/**
*/
public abstract AudioFormat[] getTargetFormats(AudioFormat.Encoding targetEncoding, AudioFormat sourceFormat);
/**
*/
public abstract AudioInputStream getAudioInputStream(AudioFormat.Encoding targetEncoding, AudioInputStream sourceStream);
/**
*/
public abstract AudioInputStream getAudioInputStream(AudioFormat targetFormat, AudioInputStream sourceStream);
}