/*
* 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;
import java.util.ArrayList;
import java.util.List;
import java.util.logging.Logger;
/*
class ES_Descriptor extends BaseDescriptor : bit(8) tag=ES_DescrTag {
bit(16) ES_ID;
bit(1) streamDependenceFlag;
bit(1) URL_Flag;
bit(1) OCRstreamFlag;
bit(5) streamPriority;
if (streamDependenceFlag)
bit(16) dependsOn_ES_ID;
if (URL_Flag) {
bit(8) URLlength;
bit(8) URLstring[URLlength];
}
if (OCRstreamFlag)
bit(16) OCR_ES_Id;
DecoderConfigDescriptor decConfigDescr;
if (ODProfileLevelIndication==0x01) //no SL extension.
{
SLConfigDescriptor slConfigDescr;
}
else // SL extension is possible.
{
SLConfigDescriptor slConfigDescr;
}
IPI_DescrPointer ipiPtr[0 .. 1];
IP_IdentificationDataSet ipIDS[0 .. 255];
IPMP_DescriptorPointer ipmpDescrPtr[0 .. 255];
LanguageDescriptor langDescr[0 .. 255];
QoS_Descriptor qosDescr[0 .. 1];
RegistrationDescriptor regDescr[0 .. 1];
ExtensionDescriptor extDescr[0 .. 255];
}
*/
@Descriptor(tags = {0x03})
public class ESDescriptor extends BaseDescriptor {
private static Logger log = Logger.getLogger(ESDescriptor.class.getName());
int esId;
int streamDependenceFlag;
int URLFlag;
int oCRstreamFlag;
int streamPriority;
int URLLength = 0;
String URLString;
int remoteODFlag;
int dependsOnEsId;
int oCREsId;
DecoderConfigDescriptor decoderConfigDescriptor;
SLConfigDescriptor slConfigDescriptor;
List<BaseDescriptor> otherDescriptors = new ArrayList<BaseDescriptor>();
@Override
public void parseDetail(ByteBuffer bb) throws IOException {
esId = IsoTypeReader.readUInt16(bb);
int data = IsoTypeReader.readUInt8(bb);
streamDependenceFlag = data >>> 7;
URLFlag = (data >>> 6) & 0x1;
oCRstreamFlag = (data >>> 5) & 0x1;
streamPriority = data & 0x1f;
if (streamDependenceFlag == 1) {
dependsOnEsId = IsoTypeReader.readUInt16(bb);
}
if (URLFlag == 1) {
URLLength = IsoTypeReader.readUInt8(bb);
URLString = IsoTypeReader.readString(bb, URLLength);
}
if (oCRstreamFlag == 1) {
oCREsId = IsoTypeReader.readUInt16(bb);
}
int baseSize = 1 /*tag*/ + getSizeBytes() + 2 + 1 + (streamDependenceFlag == 1 ? 2 : 0) + (URLFlag == 1 ? 1 + URLLength : 0) + (oCRstreamFlag == 1 ? 2 : 0);
int begin = bb.position();
if (getSize() > baseSize + 2) {
BaseDescriptor descriptor = ObjectDescriptorFactory.createFrom(-1, bb);
final long read = bb.position() - begin;
log.finer(descriptor + " - ESDescriptor1 read: " + read + ", size: " + (descriptor != null ? descriptor.getSize() : null));
if (descriptor != null) {
final int size = descriptor.getSize();
bb.position(begin + size);
baseSize += size;
} else {
baseSize += read;
}
if (descriptor instanceof DecoderConfigDescriptor) {
decoderConfigDescriptor = (DecoderConfigDescriptor) descriptor;
}
}
begin = bb.position();
if (getSize() > baseSize + 2) {
BaseDescriptor descriptor = ObjectDescriptorFactory.createFrom(-1, bb);
final long read = bb.position() - begin;
log.finer(descriptor + " - ESDescriptor2 read: " + read + ", size: " + (descriptor != null ? descriptor.getSize() : null));
if (descriptor != null) {
final int size = descriptor.getSize();
bb.position(begin + size);
baseSize += size;
} else {
baseSize += read;
}
if (descriptor instanceof SLConfigDescriptor) {
slConfigDescriptor = (SLConfigDescriptor) descriptor;
}
} else {
log.warning("SLConfigDescriptor is missing!");
}
while (getSize() - baseSize > 2) {
begin = bb.position();
BaseDescriptor descriptor = ObjectDescriptorFactory.createFrom(-1, bb);
final long read = bb.position() - begin;
log.finer(descriptor + " - ESDescriptor3 read: " + read + ", size: " + (descriptor != null ? descriptor.getSize() : null));
if (descriptor != null) {
final int size = descriptor.getSize();
bb.position(begin + size);
baseSize += size;
} else {
baseSize += read;
}
otherDescriptors.add(descriptor);
}
}
public int serializedSize() {
int out = 5;
if (streamDependenceFlag > 0) {
out += 2;
}
if (URLFlag > 0) {
out += 1 + URLLength;
}
if (oCRstreamFlag > 0) {
out += 2;
}
out += decoderConfigDescriptor.serializedSize();
out += slConfigDescriptor.serializedSize();
// Doesn't handle other descriptors yet
return out;
}
public ByteBuffer serialize() {
ByteBuffer out = ByteBuffer.allocate(serializedSize()); // Usually is around 30 bytes, so 200 should be enough...
IsoTypeWriter.writeUInt8(out, 3);
IsoTypeWriter.writeUInt8(out, serializedSize() - 2); // Not OK for longer sizes!
IsoTypeWriter.writeUInt16(out, esId);
int flags = (streamDependenceFlag << 7) | (URLFlag << 6) | (oCRstreamFlag << 5) | (streamPriority & 0x1f);
IsoTypeWriter.writeUInt8(out, flags);
if (streamDependenceFlag > 0) {
IsoTypeWriter.writeUInt16(out, dependsOnEsId);
}
if (URLFlag > 0) {
IsoTypeWriter.writeUInt8(out, URLLength);
IsoTypeWriter.writeUtf8String(out, URLString);
}
if (oCRstreamFlag > 0) {
IsoTypeWriter.writeUInt16(out, oCREsId);
}
ByteBuffer dec = decoderConfigDescriptor.serialize();
ByteBuffer sl = slConfigDescriptor.serialize();
out.put(dec.array());
out.put(sl.array());
// Doesn't handle other descriptors yet
return out;
}
// @Override
// public int getSize() {
// return 3 + (streamDependenceFlag == 1 ? 2 : 0) +
// (URLFlag == 1 ? 1 + 8 * URLLength : 0) +
// (oCRstreamFlag == 1 ? 2 : 0);
// }
public DecoderConfigDescriptor getDecoderConfigDescriptor() {
return decoderConfigDescriptor;
}
public SLConfigDescriptor getSlConfigDescriptor() {
return slConfigDescriptor;
}
public void setDecoderConfigDescriptor(DecoderConfigDescriptor decoderConfigDescriptor) {
this.decoderConfigDescriptor = decoderConfigDescriptor;
}
public void setSlConfigDescriptor(SLConfigDescriptor slConfigDescriptor) {
this.slConfigDescriptor = slConfigDescriptor;
}
public List<BaseDescriptor> getOtherDescriptors() {
return otherDescriptors;
}
public int getoCREsId() {
return oCREsId;
}
public void setoCREsId(int oCREsId) {
this.oCREsId = oCREsId;
}
public int getEsId() {
return esId;
}
public void setEsId(int esId) {
this.esId = esId;
}
public int getStreamDependenceFlag() {
return streamDependenceFlag;
}
public void setStreamDependenceFlag(int streamDependenceFlag) {
this.streamDependenceFlag = streamDependenceFlag;
}
public int getURLFlag() {
return URLFlag;
}
public void setURLFlag(int URLFlag) {
this.URLFlag = URLFlag;
}
public int getoCRstreamFlag() {
return oCRstreamFlag;
}
public void setoCRstreamFlag(int oCRstreamFlag) {
this.oCRstreamFlag = oCRstreamFlag;
}
public int getStreamPriority() {
return streamPriority;
}
public void setStreamPriority(int streamPriority) {
this.streamPriority = streamPriority;
}
public int getURLLength() {
return URLLength;
}
public void setURLLength(int URLLength) {
this.URLLength = URLLength;
}
public String getURLString() {
return URLString;
}
public void setURLString(String URLString) {
this.URLString = URLString;
}
public int getRemoteODFlag() {
return remoteODFlag;
}
public void setRemoteODFlag(int remoteODFlag) {
this.remoteODFlag = remoteODFlag;
}
public int getDependsOnEsId() {
return dependsOnEsId;
}
public void setDependsOnEsId(int dependsOnEsId) {
this.dependsOnEsId = dependsOnEsId;
}
@Override
public String toString() {
final StringBuilder sb = new StringBuilder();
sb.append("ESDescriptor");
sb.append("{esId=").append(esId);
sb.append(", streamDependenceFlag=").append(streamDependenceFlag);
sb.append(", URLFlag=").append(URLFlag);
sb.append(", oCRstreamFlag=").append(oCRstreamFlag);
sb.append(", streamPriority=").append(streamPriority);
sb.append(", URLLength=").append(URLLength);
sb.append(", URLString='").append(URLString).append('\'');
sb.append(", remoteODFlag=").append(remoteODFlag);
sb.append(", dependsOnEsId=").append(dependsOnEsId);
sb.append(", oCREsId=").append(oCREsId);
sb.append(", decoderConfigDescriptor=").append(decoderConfigDescriptor);
sb.append(", slConfigDescriptor=").append(slConfigDescriptor);
sb.append('}');
return sb.toString();
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
ESDescriptor that = (ESDescriptor) o;
if (URLFlag != that.URLFlag) return false;
if (URLLength != that.URLLength) return false;
if (dependsOnEsId != that.dependsOnEsId) return false;
if (esId != that.esId) return false;
if (oCREsId != that.oCREsId) return false;
if (oCRstreamFlag != that.oCRstreamFlag) return false;
if (remoteODFlag != that.remoteODFlag) return false;
if (streamDependenceFlag != that.streamDependenceFlag) return false;
if (streamPriority != that.streamPriority) return false;
if (URLString != null ? !URLString.equals(that.URLString) : that.URLString != null) return false;
if (decoderConfigDescriptor != null ? !decoderConfigDescriptor.equals(that.decoderConfigDescriptor) : that.decoderConfigDescriptor != null)
return false;
if (otherDescriptors != null ? !otherDescriptors.equals(that.otherDescriptors) : that.otherDescriptors != null)
return false;
if (slConfigDescriptor != null ? !slConfigDescriptor.equals(that.slConfigDescriptor) : that.slConfigDescriptor != null)
return false;
return true;
}
@Override
public int hashCode() {
int result = esId;
result = 31 * result + streamDependenceFlag;
result = 31 * result + URLFlag;
result = 31 * result + oCRstreamFlag;
result = 31 * result + streamPriority;
result = 31 * result + URLLength;
result = 31 * result + (URLString != null ? URLString.hashCode() : 0);
result = 31 * result + remoteODFlag;
result = 31 * result + dependsOnEsId;
result = 31 * result + oCREsId;
result = 31 * result + (decoderConfigDescriptor != null ? decoderConfigDescriptor.hashCode() : 0);
result = 31 * result + (slConfigDescriptor != null ? slConfigDescriptor.hashCode() : 0);
result = 31 * result + (otherDescriptors != null ? otherDescriptors.hashCode() : 0);
return result;
}
}
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