com.coremedia.iso.boxes.MovieHeaderBox Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of isoparser Show documentation
Show all versions of isoparser Show documentation
A generic parser and writer for all ISO 14496 based files (MP4, Quicktime, DCF, PDCF, ...)
/*
* 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;
import com.coremedia.iso.IsoTypeReader;
import com.coremedia.iso.IsoTypeWriter;
import com.googlecode.mp4parser.AbstractFullBox;
import com.googlecode.mp4parser.util.DateHelper;
import com.googlecode.mp4parser.util.Logger;
import com.googlecode.mp4parser.util.Matrix;
import java.nio.ByteBuffer;
import java.util.Date;
/**
* 4cc = "{@value #TYPE}"
*
* Box Type: 'mvhd'
* Container: {@link MovieBox} ('moov')
* Mandatory: Yes
* Quantity: Exactly one
*
* This box defines overall information which is media-independent, and relevant to the entire presentation
* considered as a whole.
*/
public class MovieHeaderBox extends AbstractFullBox {
private static Logger LOG = Logger.getLogger(MovieHeaderBox.class);
private Date creationTime;
private Date modificationTime;
private long timescale;
private long duration;
private double rate = 1.0;
private float volume = 1.0f;
private Matrix matrix = Matrix.ROTATE_0;
private long nextTrackId;
private int previewTime;
private int previewDuration;
private int posterTime;
private int selectionTime;
private int selectionDuration;
private int currentTime;
public static final String TYPE = "mvhd";
public MovieHeaderBox() {
super(TYPE);
}
public Date getCreationTime() {
return creationTime;
}
public Date getModificationTime() {
return modificationTime;
}
public long getTimescale() {
return timescale;
}
public long getDuration() {
return duration;
}
public double getRate() {
return rate;
}
public float getVolume() {
return volume;
}
public Matrix getMatrix() {
return matrix;
}
public long getNextTrackId() {
return nextTrackId;
}
protected long getContentSize() {
long contentSize = 4;
if (getVersion() == 1) {
contentSize += 28;
} else {
contentSize += 16;
}
contentSize += 80;
return contentSize;
}
@Override
public void _parseDetails(ByteBuffer content) {
parseVersionAndFlags(content);
if (getVersion() == 1) {
creationTime = DateHelper.convert(IsoTypeReader.readUInt64(content));
modificationTime = DateHelper.convert(IsoTypeReader.readUInt64(content));
timescale = IsoTypeReader.readUInt32(content);
duration = content.getLong();
} else {
creationTime = DateHelper.convert(IsoTypeReader.readUInt32(content));
modificationTime = DateHelper.convert(IsoTypeReader.readUInt32(content));
timescale = IsoTypeReader.readUInt32(content);
duration = content.getInt();
}
if (duration < -1) {
LOG.logWarn("mvhd duration is not in expected range");
}
rate = IsoTypeReader.readFixedPoint1616(content);
volume = IsoTypeReader.readFixedPoint88(content);
IsoTypeReader.readUInt16(content);
IsoTypeReader.readUInt32(content);
IsoTypeReader.readUInt32(content);
matrix = Matrix.fromByteBuffer(content);
previewTime = content.getInt();
previewDuration = content.getInt();
posterTime = content.getInt();
selectionTime = content.getInt();
selectionDuration = content.getInt();
currentTime = content.getInt();
nextTrackId = IsoTypeReader.readUInt32(content);
}
public String toString() {
StringBuilder result = new StringBuilder();
result.append("MovieHeaderBox[");
result.append("creationTime=").append(getCreationTime());
result.append(";");
result.append("modificationTime=").append(getModificationTime());
result.append(";");
result.append("timescale=").append(getTimescale());
result.append(";");
result.append("duration=").append(getDuration());
result.append(";");
result.append("rate=").append(getRate());
result.append(";");
result.append("volume=").append(getVolume());
result.append(";");
result.append("matrix=").append(matrix);
result.append(";");
result.append("nextTrackId=").append(getNextTrackId());
result.append("]");
return result.toString();
}
@Override
protected void getContent(ByteBuffer byteBuffer) {
writeVersionAndFlags(byteBuffer);
if (getVersion() == 1) {
IsoTypeWriter.writeUInt64(byteBuffer, DateHelper.convert(creationTime));
IsoTypeWriter.writeUInt64(byteBuffer, DateHelper.convert(modificationTime));
IsoTypeWriter.writeUInt32(byteBuffer, timescale);
byteBuffer.putLong(duration);
} else {
IsoTypeWriter.writeUInt32(byteBuffer, DateHelper.convert(creationTime));
IsoTypeWriter.writeUInt32(byteBuffer, DateHelper.convert(modificationTime));
IsoTypeWriter.writeUInt32(byteBuffer, timescale);
byteBuffer.putInt((int) duration);
}
IsoTypeWriter.writeFixedPoint1616(byteBuffer, rate);
IsoTypeWriter.writeFixedPoint88(byteBuffer, volume);
IsoTypeWriter.writeUInt16(byteBuffer, 0);
IsoTypeWriter.writeUInt32(byteBuffer, 0);
IsoTypeWriter.writeUInt32(byteBuffer, 0);
matrix.getContent(byteBuffer);
byteBuffer.putInt(previewTime);
byteBuffer.putInt(previewDuration);
byteBuffer.putInt(posterTime);
byteBuffer.putInt(selectionTime);
byteBuffer.putInt(selectionDuration);
byteBuffer.putInt(currentTime);
IsoTypeWriter.writeUInt32(byteBuffer, nextTrackId);
}
public void setCreationTime(Date creationTime) {
this.creationTime = creationTime;
if (DateHelper.convert(creationTime) >= (1l << 32)) {
setVersion(1);
}
}
public void setModificationTime(Date modificationTime) {
this.modificationTime = modificationTime;
if (DateHelper.convert(modificationTime) >= (1l << 32)) {
setVersion(1);
}
}
public void setTimescale(long timescale) {
this.timescale = timescale;
}
public void setDuration(long duration) {
this.duration = duration;
if (duration >= (1l << 32)) {
setVersion(1);
}
}
public void setRate(double rate) {
this.rate = rate;
}
public void setVolume(float volume) {
this.volume = volume;
}
public void setMatrix(Matrix matrix) {
this.matrix = matrix;
}
public void setNextTrackId(long nextTrackId) {
this.nextTrackId = nextTrackId;
}
public int getPreviewTime() {
return previewTime;
}
public void setPreviewTime(int previewTime) {
this.previewTime = previewTime;
}
public int getPreviewDuration() {
return previewDuration;
}
public void setPreviewDuration(int previewDuration) {
this.previewDuration = previewDuration;
}
public int getPosterTime() {
return posterTime;
}
public void setPosterTime(int posterTime) {
this.posterTime = posterTime;
}
public int getSelectionTime() {
return selectionTime;
}
public void setSelectionTime(int selectionTime) {
this.selectionTime = selectionTime;
}
public int getSelectionDuration() {
return selectionDuration;
}
public void setSelectionDuration(int selectionDuration) {
this.selectionDuration = selectionDuration;
}
public int getCurrentTime() {
return currentTime;
}
public void setCurrentTime(int currentTime) {
this.currentTime = currentTime;
}
}