com.googlecode.mp4parser.boxes.apple.QuicktimeTextSampleEntry Maven / Gradle / Ivy
/*
* Copyright 2012 Sebastian Annies, 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.googlecode.mp4parser.boxes.apple;
import com.coremedia.iso.BoxParser;
import com.coremedia.iso.IsoTypeReader;
import com.coremedia.iso.IsoTypeWriter;
import com.coremedia.iso.boxes.Box;
import com.coremedia.iso.boxes.sampleentry.AbstractSampleEntry;
import java.io.IOException;
import java.nio.ByteBuffer;
import com.googlecode.mp4parser.DataSource;
import java.nio.channels.WritableByteChannel;
import java.util.List;
import static com.googlecode.mp4parser.util.CastUtils.l2i;
/**
* 4cc = "{@value #TYPE}"
* Entry type for timed text samples defined in the timed text specification (ISO/IEC 14496-17).
*/
public class QuicktimeTextSampleEntry extends AbstractSampleEntry {
public static final String TYPE = "text";
int displayFlags;
int textJustification;
int backgroundR;
int backgroundG;
int backgroundB;
long defaultTextBox;
long reserved1;
short fontNumber;
short fontFace;
byte reserved2;
short reserved3;
int foregroundR = 65535;
int foregroundG = 65535;
int foregroundB = 65535;
String fontName = "";
int dataReferenceIndex;
public QuicktimeTextSampleEntry() {
super(TYPE);
}
@Override
public void parse(DataSource dataSource, ByteBuffer header, long contentSize, BoxParser boxParser) throws IOException {
ByteBuffer content = ByteBuffer.allocate(l2i(contentSize));
dataSource.read(content);
content.position(6);
dataReferenceIndex = IsoTypeReader.readUInt16(content);
displayFlags = content.getInt();
textJustification = content.getInt();
backgroundR = IsoTypeReader.readUInt16(content);
backgroundG = IsoTypeReader.readUInt16(content);
backgroundB = IsoTypeReader.readUInt16(content);
defaultTextBox = IsoTypeReader.readUInt64(content);
reserved1 = IsoTypeReader.readUInt64(content);
fontNumber = content.getShort();
fontFace = content.getShort();
reserved2 = content.get();
reserved3 = content.getShort();
foregroundR = IsoTypeReader.readUInt16(content);
foregroundG = IsoTypeReader.readUInt16(content);
foregroundB = IsoTypeReader.readUInt16(content);
if (content.remaining() > 0) {
int length = IsoTypeReader.readUInt8(content);
byte[] myFontName = new byte[length];
content.get(myFontName);
fontName = new String(myFontName);
} else {
fontName = null;
}
// initContainer(); there are no child boxes!?
}
@Override
public void setBoxes(List boxes) {
throw new RuntimeException("QuicktimeTextSampleEntries may not have child boxes");
}
@Override
public void addBox(Box box) {
throw new RuntimeException("QuicktimeTextSampleEntries may not have child boxes");
}
@Override
public void getBox(WritableByteChannel writableByteChannel) throws IOException {
writableByteChannel.write(getHeader());
ByteBuffer byteBuffer = ByteBuffer.allocate(52 + (fontName != null ? fontName.length() : 0));
byteBuffer.position(6);
IsoTypeWriter.writeUInt16(byteBuffer, dataReferenceIndex);
byteBuffer.putInt(displayFlags);
byteBuffer.putInt(textJustification);
IsoTypeWriter.writeUInt16(byteBuffer, backgroundR);
IsoTypeWriter.writeUInt16(byteBuffer, backgroundG);
IsoTypeWriter.writeUInt16(byteBuffer, backgroundB);
IsoTypeWriter.writeUInt64(byteBuffer, defaultTextBox);
IsoTypeWriter.writeUInt64(byteBuffer, reserved1);
byteBuffer.putShort(fontNumber);
byteBuffer.putShort(fontFace);
byteBuffer.put(reserved2);
byteBuffer.putShort(reserved3);
IsoTypeWriter.writeUInt16(byteBuffer, foregroundR);
IsoTypeWriter.writeUInt16(byteBuffer, foregroundG);
IsoTypeWriter.writeUInt16(byteBuffer, foregroundB);
if (fontName != null) {
IsoTypeWriter.writeUInt8(byteBuffer, fontName.length());
byteBuffer.put(fontName.getBytes());
}
writableByteChannel.write((ByteBuffer) byteBuffer.rewind());
// writeContainer(writableByteChannel); there are no child boxes!?
}
@Override
public long getSize() {
long s = getContainerSize() + 52 + (fontName != null ? fontName.length() : 0);
s += ((largeBox || (s + 8) >= (1L << 32)) ? 16 : 8);
return s;
}
public int getDisplayFlags() {
return displayFlags;
}
public void setDisplayFlags(int displayFlags) {
this.displayFlags = displayFlags;
}
public int getTextJustification() {
return textJustification;
}
public void setTextJustification(int textJustification) {
this.textJustification = textJustification;
}
public int getBackgroundR() {
return backgroundR;
}
public void setBackgroundR(int backgroundR) {
this.backgroundR = backgroundR;
}
public int getBackgroundG() {
return backgroundG;
}
public void setBackgroundG(int backgroundG) {
this.backgroundG = backgroundG;
}
public int getBackgroundB() {
return backgroundB;
}
public void setBackgroundB(int backgroundB) {
this.backgroundB = backgroundB;
}
public long getDefaultTextBox() {
return defaultTextBox;
}
public void setDefaultTextBox(long defaultTextBox) {
this.defaultTextBox = defaultTextBox;
}
public long getReserved1() {
return reserved1;
}
public void setReserved1(long reserved1) {
this.reserved1 = reserved1;
}
public short getFontNumber() {
return fontNumber;
}
public void setFontNumber(short fontNumber) {
this.fontNumber = fontNumber;
}
public short getFontFace() {
return fontFace;
}
public void setFontFace(short fontFace) {
this.fontFace = fontFace;
}
public byte getReserved2() {
return reserved2;
}
public void setReserved2(byte reserved2) {
this.reserved2 = reserved2;
}
public short getReserved3() {
return reserved3;
}
public void setReserved3(short reserved3) {
this.reserved3 = reserved3;
}
public int getForegroundR() {
return foregroundR;
}
public void setForegroundR(int foregroundR) {
this.foregroundR = foregroundR;
}
public int getForegroundG() {
return foregroundG;
}
public void setForegroundG(int foregroundG) {
this.foregroundG = foregroundG;
}
public int getForegroundB() {
return foregroundB;
}
public void setForegroundB(int foregroundB) {
this.foregroundB = foregroundB;
}
public String getFontName() {
return fontName;
}
public void setFontName(String fontName) {
this.fontName = fontName;
}
}