public static PMT parsePMT(ByteBuffer data) {
parseSection(data);
// PMT itself
int w1 = data.getShort() & 0xffff;
int pcrPid = w1 & 0x1fff;
int w2 = data.getShort() & 0xffff;
int programInfoLength = w2 & 0xfff;
List<Tag> tags = parseTags(NIOUtils.read(data, programInfoLength));
List<PMTStream> streams = new ArrayList<PMTStream>();
while (data.remaining() > 4) {
int streamType = data.get() & 0xff;
int wn = data.getShort() & 0xffff;
int elementaryPid = wn & 0x1fff;
Logger.info(String.format("Elementary stream: [%d,%d]", streamType, elementaryPid));
int wn1 = data.getShort() & 0xffff;
int esInfoLength = wn1 & 0xfff;
ByteBuffer read = NIOUtils.read(data, esInfoLength);
streams.add(new PMTStream(streamType, elementaryPid, MPSUtils.parseDescriptors(read)));
}
return new PMT(pcrPid, tags, streams);
}
private static List<Tag> parseTags(ByteBuffer bb) {
List<Tag> tags = new ArrayList<Tag>();
while (bb.hasRemaining()) {
int tag = bb.get();
int tagLen = bb.get();
Logger.info(String.format("TAG: [0x%x, 0x%x]", tag, tagLen));
tags.add(new Tag(tag, NIOUtils.read(bb, tagLen)));
}
return tags;
}