public void readTsFile(SeekableByteChannel ch) throws IOException {
ch.position(0);
ByteBuffer buf = ByteBuffer.allocate(BUFFER_SIZE);
for (long pos = ch.position(); ch.read(buf) != -1; pos = ch.position()) {
buf.flip();
while (buf.hasRemaining()) {
ByteBuffer tsBuf = NIOUtils.read(buf, 188);
pos += 188;
Assert.assertEquals(0x47, tsBuf.get() & 0xff);
int guidFlags = ((tsBuf.get() & 0xff) << 8) | (tsBuf.get() & 0xff);
int guid = (int) guidFlags & 0x1fff;
int payloadStart = (guidFlags >> 14) & 0x1;
int b0 = tsBuf.get() & 0xff;
int counter = b0 & 0xf;
if ((b0 & 0x20) != 0) {
NIOUtils.skip(tsBuf, tsBuf.get() & 0xff);
}
boolean sectionSyntax =
payloadStart == 1 && (getRel(tsBuf, getRel(tsBuf, 0) + 2) & 0x80) == 0x80;
if (sectionSyntax) {
NIOUtils.skip(tsBuf, tsBuf.get() & 0xff);
}
if (!onPkt(guid, payloadStart == 1, tsBuf, pos - tsBuf.remaining())) return;
}
buf.flip();
}
}
public void write(Chunk chunk) throws IOException {
SeekableByteChannel input = getInput(chunk);
input.position(chunk.getOffset());
long pos = out.position();
out.write(NIOUtils.fetchFrom(input, (int) chunk.getSize()));
offsets[curChunk++] = pos;
}
public static void main(String[] args) throws Exception {
if (args.length < 2) {
System.out.println(
"Syntax: <in.264> <out.mp4>\n"
+ "\tWhere:\n"
+ "\t-q\tLook for stream parameters only in the beginning of stream");
return;
}
File in = new File(args[0]);
File out = new File(args[1]);
SeekableByteChannel file = writableFileChannel(out);
MP4Muxer muxer = new MP4Muxer(file);
FramesMP4MuxerTrack track = muxer.addTrackForCompressed(TrackType.VIDEO, 25);
mux(track, in);
muxer.writeHeader();
file.close();
}