@Override
protected void getContent(ByteBuffer byteBuffer) {
writeVersionAndFlags(byteBuffer);
if (getVersion() == 1) {
IsoTypeWriter.writeUInt64(byteBuffer, creationTime);
IsoTypeWriter.writeUInt64(byteBuffer, modificationTime);
IsoTypeWriter.writeUInt32(byteBuffer, timescale);
IsoTypeWriter.writeUInt64(byteBuffer, duration);
} else {
IsoTypeWriter.writeUInt32(byteBuffer, creationTime);
IsoTypeWriter.writeUInt32(byteBuffer, modificationTime);
IsoTypeWriter.writeUInt32(byteBuffer, timescale);
IsoTypeWriter.writeUInt32(byteBuffer, duration);
}
IsoTypeWriter.writeFixedPoint1616(byteBuffer, rate);
IsoTypeWriter.writeFixedPoint88(byteBuffer, volume);
IsoTypeWriter.writeUInt16(byteBuffer, 0);
IsoTypeWriter.writeUInt32(byteBuffer, 0);
IsoTypeWriter.writeUInt32(byteBuffer, 0);
for (int i = 0; i < 9; i++) {
IsoTypeWriter.writeUInt32(byteBuffer, matrix[i]);
}
byteBuffer.putInt(previewTime);
byteBuffer.putInt(previewDuration);
byteBuffer.putInt(posterTime);
byteBuffer.putInt(selectionTime);
byteBuffer.putInt(selectionDuration);
byteBuffer.putInt(currentTime);
IsoTypeWriter.writeUInt32(byteBuffer, nextTrackId);
}
@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
protected void getContent(ByteBuffer byteBuffer) {
writeVersionAndFlags(byteBuffer);
IsoTypeWriter.writeUInt8(byteBuffer, entries.size());
for (Entry entry : entries) {
if (getVersion() == 0x01) {
IsoTypeWriter.writeUInt64(byteBuffer, entry.fragmentAbsoluteTime);
IsoTypeWriter.writeUInt64(byteBuffer, entry.fragmentAbsoluteDuration);
} else {
IsoTypeWriter.writeUInt32(byteBuffer, entry.fragmentAbsoluteTime);
IsoTypeWriter.writeUInt32(byteBuffer, entry.fragmentAbsoluteDuration);
}
}
}
protected ByteBuffer getHeader() {
ByteBuffer header;
if (largeBox || getSize() >= (1L << 32)) {
header =
ByteBuffer.wrap(
new byte[] {
0,
0,
0,
1,
type.getBytes()[0],
type.getBytes()[1],
type.getBytes()[2],
type.getBytes()[3],
0,
0,
0,
0,
0,
0,
0,
0
});
header.position(8);
IsoTypeWriter.writeUInt64(header, getSize());
} else {
header =
ByteBuffer.wrap(
new byte[] {
0,
0,
0,
0,
type.getBytes()[0],
type.getBytes()[1],
type.getBytes()[2],
type.getBytes()[3]
});
IsoTypeWriter.writeUInt32(header, getSize());
}
header.rewind();
return header;
}
public void getBox(WritableByteChannel writableByteChannel) throws IOException {
ByteBuffer bb = ByteBuffer.allocate(16);
long size = getSize();
if (isSmallBox(size)) {
IsoTypeWriter.writeUInt32(bb, size);
} else {
IsoTypeWriter.writeUInt32(bb, 1);
}
bb.put(IsoFile.fourCCtoBytes("mdat"));
if (isSmallBox(size)) {
bb.put(new byte[8]);
} else {
IsoTypeWriter.writeUInt64(bb, size);
}
bb.rewind();
writableByteChannel.write(bb);
if (writableByteChannel instanceof GatheringByteChannel) {
List<ByteBuffer> nuSamples = unifyAdjacentBuffers(samples);
int STEPSIZE = 1024;
for (int i = 0; i < Math.ceil((double) nuSamples.size() / STEPSIZE); i++) {
List<ByteBuffer> sublist =
nuSamples.subList(
i * STEPSIZE, // start
(i + 1) * STEPSIZE < nuSamples.size()
? (i + 1) * STEPSIZE
: nuSamples.size()); // end
ByteBuffer sampleArray[] = sublist.toArray(new ByteBuffer[sublist.size()]);
do {
((GatheringByteChannel) writableByteChannel).write(sampleArray);
} while (sampleArray[sampleArray.length - 1].remaining() > 0);
}
// System.err.println(bytesWritten);
} else {
for (ByteBuffer sample : samples) {
sample.rewind();
writableByteChannel.write(sample);
}
}
}
public void getBox(WritableByteChannel writableByteChannel) throws IOException {
ByteBuffer bb = ByteBuffer.allocate(16);
long size = getSize();
if (isSmallBox(size)) {
IsoTypeWriter.writeUInt32(bb, size);
} else {
IsoTypeWriter.writeUInt32(bb, 1);
}
bb.put(IsoFile.fourCCtoBytes("mdat"));
if (isSmallBox(size)) {
bb.put(new byte[8]);
} else {
IsoTypeWriter.writeUInt64(bb, size);
}
bb.rewind();
writableByteChannel.write(bb);
for (List<Sample> samples : chunkList) {
for (Sample sample : samples) {
sample.writeTo(writableByteChannel);
}
}
}
