public void parse(IsoBufferWrapper in, long size, BoxParser boxParser, Box lastMovieFragmentBox)
throws IOException {
super.parse(in, size, boxParser, lastMovieFragmentBox);
classificationEntity = IsoFile.bytesToFourCC(in.read(4));
classificationTableIndex = in.readUInt16();
language = in.readIso639();
classificationInfo = in.readString();
}
@Override
public void parse(IsoBufferWrapper in, long size, BoxParser boxParser, Box lastMovieFragmentBox)
throws IOException {
super.parse(in, size, boxParser, lastMovieFragmentBox);
dataReferenceType = in.readString(4);
dataReferenceSize = in.readUInt32();
dataReference = in.readString((int) dataReferenceSize);
}
private long getVariable(long length, IsoBufferWrapper in) throws IOException {
long ret;
if (((length + 1) * 8) == 8) {
ret = in.readUInt8();
} else if (((length + 1) * 8) == 16) {
ret = in.readUInt16();
} else if (((length + 1) * 8) == 24) {
ret = in.readUInt24();
} else if (((length + 1) * 8) == 32) {
ret = in.readUInt32();
} else if (((length + 1) * 8) == 64) {
ret = in.readUInt64();
} else {
throw new IOException("lengthSize not power of two");
}
return ret;
}
@Override
public void parse(int tag, IsoBufferWrapper in, int maxLength) throws IOException {
super.parse(tag, in, maxLength);
if (getSize() > 0) {
bytes = in.read(getSize());
}
}
@Override
public void parse(IsoBufferWrapper in, long size, BoxParser boxParser, Box lastMovieFragmentBox)
throws IOException {
super.parse(in, size, boxParser, lastMovieFragmentBox);
trackId = in.readUInt32();
long temp = in.readUInt32();
reserved = (int) (temp >> 6);
lengthSizeOfTrafNum = (int) (temp & 0x3F) >> 4;
lengthSizeOfTrunNum = (int) (temp & 0xC) >> 2;
lengthSizeOfSampleNum = (int) (temp & 0x3);
long numberOfEntries = in.readUInt32();
entries = new ArrayList<Entry>();
for (int i = 0; i < numberOfEntries; i++) {
Entry entry = new Entry();
if (getVersion() == 1) {
entry.time = in.readUInt64();
entry.moofOffset = in.readUInt64();
} else {
entry.time = in.readUInt32();
entry.moofOffset = in.readUInt32();
}
entry.trafNumber = getVariable(lengthSizeOfTrafNum, in);
entry.trunNumber = getVariable(lengthSizeOfTrunNum, in);
entry.sampleNumber = getVariable(lengthSizeOfSampleNum, in);
entries.add(entry);
}
}
public RawH264Track(IsoBufferWrapperImpl rawH264) throws IOException {
InnerAccessUnit current = new InnerAccessUnit();
InnerAccessUnit previous = new InnerAccessUnit();
NALUnitReader nalUnitReader = new AnnexBNALUnitReader(rawH264);
AccessUnitSourceImpl accessUnitSource = new AccessUnitSourceImpl(nalUnitReader);
streamParams = accessUnitSource;
SliceHeaderReader sliceHeaderReader = new SliceHeaderReader(accessUnitSource);
AccessUnit au;
long frameNumInGop = 0;
while ((au = accessUnitSource.nextAccessUnit()) != null) {
// System.err.println("Start AU");
List<IsoBufferWrapper> nals = new LinkedList<IsoBufferWrapper>();
IsoBufferWrapper nalUnitBuffer;
while ((nalUnitBuffer = au.nextNALUnit()) != null) {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
new IsoOutputStream(baos).writeUInt32(nalUnitBuffer.size());
nals.add(new IsoBufferWrapperImpl(baos.toByteArray()));
nals.add(nalUnitBuffer);
NALUnit nalUnit = NALUnit.read(nalUnitBuffer);
if (nalUnit.type == NALUnitType.IDR_SLICE
|| nalUnit.type == NALUnitType.NON_IDR_SLICE
|| nalUnit.type == NALUnitType.AUX_SLICE
|| nalUnit.type == NALUnitType.SLICE_PART_A
|| nalUnit.type == NALUnitType.SLICE_PART_B
|| nalUnit.type == NALUnitType.SLICE_PART_C) {
current.sliceHeaders.add(sliceHeaderReader.read(nalUnit, new CAVLCReader(nalUnitBuffer)));
}
if (++a % 1000 == 0) {
System.err.println(a);
}
}
samples.add(new MultiplexIsoBufferWrapperImpl(nals));
decodedPoc(current, previous);
if (current.poc == 0) {
frameNumInGop = 0;
}
System.err.println("cts: " + (current.poc - frameNumInGop * 2));
previous = current;
frameNumInGop++;
current = new InnerAccessUnit();
}
}
public IsoBufferWrapper nextNALUnit() throws IOException {
if (src.remaining() < 5) {
return null;
}
long nalLength;
if (src.remaining() >= nalLengthSize) {
// nalLength = src.read(nalLengthSize);
nalLength = src.readUInt32();
if (nalLength == 0) return null;
IsoBufferWrapper segment = src.getSegment(src.position(), nalLength);
src.position(src.position() + nalLength);
return segment;
} else {
throw new RuntimeException(
"remaining bytes less than nalLengthSize found in sample. should not be here.");
}
}
@Override
public void parse(IsoBufferWrapper in, long size, BoxParser boxParser, Box lastMovieFragmentBox)
throws IOException {
super.parse(in, size, boxParser, lastMovieFragmentBox);
maxSamplePerFrame = in.readUInt32();
unknown1 = in.readUInt8();
sampleSize = in.readUInt8();
historyMult = in.readUInt8();
initialHistory = in.readUInt8();
kModifier = in.readUInt8();
channels = in.readUInt8();
unknown2 = in.readUInt16();
maxCodedFrameSize = in.readUInt32();
bitRate = in.readUInt32();
sampleRate = in.readUInt32();
}
