/* | |
* Copyright 2011 castLabs, Berlin | |
* | |
* 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.googlecode.mp4parser.boxes.mp4.objectdescriptors; | |
import com.coremedia.iso.IsoTypeReader; | |
import com.coremedia.iso.IsoTypeWriter; | |
import java.io.IOException; | |
import java.nio.ByteBuffer; | |
/** | |
* class SLConfigDescriptor extends BaseDescriptor : bit(8) tag=SLConfigDescrTag { | |
* bit(8) predefined; | |
* if (predefined==0) { | |
* bit(1) useAccessUnitStartFlag; | |
* bit(1) useAccessUnitEndFlag; | |
* bit(1) useRandomAccessPointFlag; | |
* bit(1) hasRandomAccessUnitsOnlyFlag; | |
* bit(1) usePaddingFlag; | |
* bit(1) useTimeStampsFlag; | |
* bit(1) useIdleFlag; | |
* bit(1) durationFlag; | |
* bit(32) timeStampResolution; | |
* bit(32) OCRResolution; | |
* bit(8) timeStampLength; // must be ≤ 64 | |
* bit(8) OCRLength; // must be ≤ 64 | |
* bit(8) AU_Length; // must be ≤ 32 | |
* bit(8) instantBitrateLength; | |
* bit(4) degradationPriorityLength; | |
* bit(5) AU_seqNumLength; // must be ≤ 16 | |
* bit(5) packetSeqNumLength; // must be ≤ 16 | |
* bit(2) reserved=0b11; | |
* } | |
* if (durationFlag) { | |
* bit(32) timeScale; | |
* bit(16) accessUnitDuration; | |
* bit(16) compositionUnitDuration; | |
* } | |
* if (!useTimeStampsFlag) { | |
* bit(timeStampLength) startDecodingTimeStamp; | |
* bit(timeStampLength) startCompositionTimeStamp; | |
* } | |
* } | |
*/ | |
@Descriptor(tags = {0x06}) | |
public class SLConfigDescriptor extends BaseDescriptor { | |
int predefined; | |
public int getPredefined() { | |
return predefined; | |
} | |
public void setPredefined(int predefined) { | |
this.predefined = predefined; | |
} | |
@Override | |
public void parseDetail(ByteBuffer bb) throws IOException { | |
predefined = IsoTypeReader.readUInt8(bb); | |
} | |
public int serializedSize() { | |
return 3; | |
} | |
public ByteBuffer serialize() { | |
ByteBuffer out = ByteBuffer.allocate(3); | |
IsoTypeWriter.writeUInt8(out, 6); | |
IsoTypeWriter.writeUInt8(out, 1); | |
IsoTypeWriter.writeUInt8(out, predefined); | |
return out; | |
} | |
@Override | |
public String toString() { | |
final StringBuilder sb = new StringBuilder(); | |
sb.append("SLConfigDescriptor"); | |
sb.append("{predefined=").append(predefined); | |
sb.append('}'); | |
return sb.toString(); | |
} | |
@Override | |
public boolean equals(Object o) { | |
if (this == o) { | |
return true; | |
} | |
if (o == null || getClass() != o.getClass()) { | |
return false; | |
} | |
SLConfigDescriptor that = (SLConfigDescriptor) o; | |
if (predefined != that.predefined) { | |
return false; | |
} | |
return true; | |
} | |
@Override | |
public int hashCode() { | |
return predefined; | |
} | |
} |