diff options
Diffstat (limited to 'isoparser/src/main/java/com/coremedia/iso/boxes/sampleentry/AmrSpecificBox.java')
-rw-r--r-- | isoparser/src/main/java/com/coremedia/iso/boxes/sampleentry/AmrSpecificBox.java | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/isoparser/src/main/java/com/coremedia/iso/boxes/sampleentry/AmrSpecificBox.java b/isoparser/src/main/java/com/coremedia/iso/boxes/sampleentry/AmrSpecificBox.java new file mode 100644 index 0000000..f69de7b --- /dev/null +++ b/isoparser/src/main/java/com/coremedia/iso/boxes/sampleentry/AmrSpecificBox.java @@ -0,0 +1,101 @@ +/* + * Copyright 2008 CoreMedia AG, Hamburg + * + * Licensed under the Apache License, Version 2.0 (the License); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an AS IS BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package com.coremedia.iso.boxes.sampleentry; + + +import com.coremedia.iso.IsoFile; +import com.coremedia.iso.IsoTypeReader; +import com.coremedia.iso.IsoTypeWriter; +import com.googlecode.mp4parser.AbstractBox; + +import java.nio.ByteBuffer; + +/** + * AMR audio format specific subbox of an audio sample entry. + * + * @see com.coremedia.iso.boxes.sampleentry.AudioSampleEntry + */ +public class AmrSpecificBox extends AbstractBox { + public static final String TYPE = "damr"; + + private String vendor; + private int decoderVersion; + private int modeSet; + private int modeChangePeriod; + private int framesPerSample; + + public AmrSpecificBox() { + super(TYPE); + } + + public String getVendor() { + return vendor; + } + + public int getDecoderVersion() { + return decoderVersion; + } + + public int getModeSet() { + return modeSet; + } + + public int getModeChangePeriod() { + return modeChangePeriod; + } + + public int getFramesPerSample() { + return framesPerSample; + } + + protected long getContentSize() { + return 9; + } + + @Override + public void _parseDetails(ByteBuffer content) { + byte[] v = new byte[4]; + content.get(v); + vendor = IsoFile.bytesToFourCC(v); + + decoderVersion = IsoTypeReader.readUInt8(content); + modeSet = IsoTypeReader.readUInt16(content); + modeChangePeriod = IsoTypeReader.readUInt8(content); + framesPerSample = IsoTypeReader.readUInt8(content); + + } + + + public void getContent(ByteBuffer byteBuffer) { + byteBuffer.put(IsoFile.fourCCtoBytes(vendor)); + IsoTypeWriter.writeUInt8(byteBuffer, decoderVersion); + IsoTypeWriter.writeUInt16(byteBuffer, modeSet); + IsoTypeWriter.writeUInt8(byteBuffer, modeChangePeriod); + IsoTypeWriter.writeUInt8(byteBuffer, framesPerSample); + } + + public String toString() { + StringBuilder buffer = new StringBuilder(); + buffer.append("AmrSpecificBox[vendor=").append(getVendor()); + buffer.append(";decoderVersion=").append(getDecoderVersion()); + buffer.append(";modeSet=").append(getModeSet()); + buffer.append(";modeChangePeriod=").append(getModeChangePeriod()); + buffer.append(";framesPerSample=").append(getFramesPerSample()); + buffer.append("]"); + return buffer.toString(); + } +} |