com.coremedia.iso.boxes.sampleentry.Ovc1VisualSampleEntryImpl Maven / Gradle / Ivy
package com.coremedia.iso.boxes.sampleentry;
import com.coremedia.iso.BoxParser;
import com.coremedia.iso.IsoTypeReader;
import com.coremedia.iso.IsoTypeWriter;
import java.io.IOException;
import java.nio.ByteBuffer;
import com.googlecode.mp4parser.DataSource;
import java.nio.channels.WritableByteChannel;
import static com.googlecode.mp4parser.util.CastUtils.l2i;
/**
* 4cc = "{@value #TYPE}"
*/
public class Ovc1VisualSampleEntryImpl extends AbstractSampleEntry {
private byte[] vc1Content = new byte[0];
public static final String TYPE = "ovc1";
public Ovc1VisualSampleEntryImpl() {
super(TYPE);
}
public byte[] getVc1Content() {
return vc1Content;
}
public void setVc1Content(byte[] vc1Content) {
this.vc1Content = vc1Content;
}
@Override
public void parse(DataSource dataSource, ByteBuffer header, long contentSize, BoxParser boxParser) throws IOException {
ByteBuffer byteBuffer = ByteBuffer.allocate(l2i(contentSize));
dataSource.read(byteBuffer);
byteBuffer.position(6);
dataReferenceIndex = IsoTypeReader.readUInt16(byteBuffer);
vc1Content = new byte[byteBuffer.remaining()];
byteBuffer.get(vc1Content);
}
@Override
public void getBox(WritableByteChannel writableByteChannel) throws IOException {
writableByteChannel.write(getHeader());
ByteBuffer byteBuffer = ByteBuffer.allocate(8);
byteBuffer.position(6);
IsoTypeWriter.writeUInt16(byteBuffer, dataReferenceIndex);
writableByteChannel.write((ByteBuffer) byteBuffer.rewind());
writableByteChannel.write(ByteBuffer.wrap(vc1Content));
}
@Override
public long getSize() {
long header = (largeBox || (vc1Content.length + 16) >= (1L << 32)) ? 16 : 8;
return header + vc1Content.length + 8;
}
}