/*
* Flazr <http://flazr.com> Copyright (C) 2009 Peter Thomas.
*
* This file is part of Flazr.
*
* Flazr is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Flazr is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Flazr. If not, see <http://www.gnu.org/licenses/>.
*/
package com.flazr.io.f4vutil.box;
import org.jboss.netty.buffer.ChannelBuffer;
import org.jboss.netty.buffer.ChannelBuffers;
import org.jboss.netty.buffer.DynamicChannelBuffer;
import android.util.Log;
import com.flazr.io.f4vutil.Payload;
import com.flazr.util.Utils;
public class TKHD implements Payload {
private byte version;
private byte[] flags;
private long creationTime;
private long modificationTime;
private int trackId;
private int reserved1;
private long duration;
private int[] reserved2; // 2
private short layer;
private short alternateGroup;
private short volume;
private short reserved3;
private int[] transformMatrix; // 9
private int width;
private int height;
public TKHD(ChannelBuffer in) {
read(in);
}
public int getTrackId() {
return trackId;
}
@Override
public void read(ChannelBuffer in) {
version = in.readByte();
Log.d("version: {}", ""+String.valueOf(Utils.toHexChars(version)));
flags = new byte[3];
in.readBytes(flags,0,3);
if (version == 0x00) {
creationTime = in.readInt();
modificationTime = in.readInt();
} else {
creationTime = in.readLong();
modificationTime = in.readLong();
}
trackId = in.readInt();
reserved1 = in.readInt();
if (version == 0x00) {
duration = in.readInt();
} else {
duration = in.readLong();
}
reserved2 = new int[2];
reserved2[0] = in.readInt();
reserved2[1] = in.readInt();
layer = in.readShort();
alternateGroup = in.readShort();
volume = in.readShort();
reserved3 = in.readShort();
Log.d("creationTime {} modificationTime {} trackId {} duration {} layer {} volume {}",
""+new Object[]{creationTime, modificationTime, trackId, duration, layer, volume});
transformMatrix = new int[9];
for (int i = 0; i < transformMatrix.length; i++) {
transformMatrix[i] = in.readInt();
Log.d("transform matrix[{}]: {}", ""+new Object[]{i, transformMatrix[i]});
}
width = in.readInt();
height = in.readInt();
Log.d("width {} height {}", ""+new Object[]{width, height});
}
@Override
public ChannelBuffer write() {
ChannelBuffer out = new DynamicChannelBuffer(ChannelBuffers.BIG_ENDIAN,256);
out.writeByte(version);
byte[] tmp = new byte[3];
out.writeBytes(tmp,0,3); // flags
if (version == 0x00) {
out.writeInt((int) creationTime);
out.writeInt((int) modificationTime);
} else {
out.writeLong(creationTime);
out.writeLong(modificationTime);
}
out.writeInt(trackId);
out.writeInt(reserved1);
if (version == 0x00) {
out.writeInt((int) duration);
} else {
out.writeLong(duration);
}
out.writeInt(reserved2[0]);
out.writeInt(reserved2[1]);
out.writeShort(layer);
out.writeShort(alternateGroup);
out.writeShort(volume);
out.writeShort(reserved3);
for (int i = 0; i < transformMatrix.length; i++) {
out.writeInt(transformMatrix[i]);
}
out.writeInt(width);
out.writeInt(height);
return out;
}
}