ru.sbtqa.monte.media.avi.AVIPCMAudioCodec Maven / Gradle / Ivy

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/* @(#)PCMAudioCodec.java
 * Copyright © 2011 Werner Randelshofer, Switzerland. 
 * You may only use this software in accordance with the license terms.
 */
package ru.sbtqa.monte.media.avi;

import java.nio.ByteOrder;
import java.util.Arrays;
import java.util.HashSet;
import static ru.sbtqa.monte.media.AudioFormatKeys.*;
import ru.sbtqa.monte.media.Format;
import ru.sbtqa.monte.media.FormatKeys.MediaType;
import ru.sbtqa.monte.media.audio.PCMAudioCodec;

/**
 * {@code PCMAudioCodec} performs sign conversion, endian conversion and
 * quantization conversion of PCM audio data.
 * 
 * Does not perform sampling rate conversion or channel conversion.
 * 
 * FIXME Maybe create separate subclasses for AVI PCM and QuickTime PCM.
 *
 * @author Werner Randelshofer
 * @version 1.0 2011-07-10 Created.
 */
public class AVIPCMAudioCodec extends PCMAudioCodec {

    private final static HashSet supportedEncodings = new HashSet(
          Arrays.asList(new String[]{
        ENCODING_PCM_SIGNED,
        ENCODING_PCM_UNSIGNED, ENCODING_AVI_PCM,}));

    public AVIPCMAudioCodec() {
        super(new Format[]{
            new Format(MediaTypeKey, MediaType.AUDIO,//
            EncodingKey, ENCODING_PCM_SIGNED,//
            MimeTypeKey, MIME_JAVA,//
            SignedKey, true),//
            new Format(MediaTypeKey, MediaType.AUDIO,//
            EncodingKey, ENCODING_PCM_UNSIGNED,//
            MimeTypeKey, MIME_JAVA,//
            SignedKey, false),//
            new Format(MediaTypeKey, MediaType.AUDIO,//
            EncodingKey, ENCODING_AVI_PCM,//
            MimeTypeKey, MIME_AVI,//
            SignedKey, false, SampleSizeInBitsKey, 8),//
            new Format(MediaTypeKey, MediaType.AUDIO,//
            EncodingKey, ENCODING_AVI_PCM,//
            MimeTypeKey, MIME_AVI,//
            ByteOrderKey, ByteOrder.LITTLE_ENDIAN,
            SignedKey, true, SampleSizeInBitsKey, 16),//
            new Format(MediaTypeKey, MediaType.AUDIO,//
            EncodingKey, ENCODING_AVI_PCM,//
            MimeTypeKey, MIME_AVI,//
            ByteOrderKey, ByteOrder.LITTLE_ENDIAN,
            SignedKey, true, SampleSizeInBitsKey, 24),//
            new Format(MediaTypeKey, MediaType.AUDIO,//
            EncodingKey, ENCODING_AVI_PCM,//
            MimeTypeKey, MIME_AVI,//
            ByteOrderKey, ByteOrder.LITTLE_ENDIAN,
            SignedKey, true, SampleSizeInBitsKey, 32),//
        });
        name = "AVI PCM Codec";
    }

}