private static void mux(FramesMP4MuxerTrack track, File f) throws IOException {
MappedH264ES es = new MappedH264ES(NIOUtils.map(f));
ArrayList<ByteBuffer> spsList = new ArrayList<ByteBuffer>();
ArrayList<ByteBuffer> ppsList = new ArrayList<ByteBuffer>();
Packet frame = null;
while ((frame = es.nextFrame()) != null) {
ByteBuffer data = frame.getData();
H264Utils.wipePS(data, spsList, ppsList);
H264Utils.encodeMOVPacket(data);
MP4Packet pkt = new MP4Packet(new Packet(frame, data), frame.getPts(), 0);
System.out.println(pkt.getFrameNo());
track.addFrame(pkt);
}
addSampleEntry(track, es.getSps(), es.getPps());
}
public static void main(String[] args) throws Exception {
if (args.length < 2) {
System.out.println("Syntax: <in.mov> <out.mov>");
return;
}
SeekableByteChannel input = readableChannel(new File(args[0]));
MP4Demuxer demuxer = new MP4Demuxer(input);
SeekableByteChannel output = writableChannel(new File(args[1]));
MP4Muxer muxer = MP4Muxer.createMP4Muxer(output, Brand.MOV);
AbstractMP4DemuxerTrack inVideo = demuxer.getVideoTrack();
VideoSampleEntry entry = (VideoSampleEntry) inVideo.getSampleEntries()[0];
int width = entry.getWidth();
int height = entry.getHeight();
ProresToProxy toProxy = new ProresToProxy(width, height, 65536);
FramesMP4MuxerTrack outVideo = muxer.addTrack(TrackType.VIDEO, (int) inVideo.getTimescale());
TrackHeaderBox th = inVideo.getBox().getTrackHeader();
System.out.println(toProxy.getFrameSize());
int frame = 0;
long from = System.currentTimeMillis();
long last = from;
MP4Packet pkt = null;
while ((pkt = (MP4Packet) inVideo.nextFrame()) != null) {
ByteBuffer out = ByteBuffer.allocate(pkt.getData().remaining());
toProxy.transcode(pkt.getData(), out);
out.flip();
outVideo.addFrame(MP4Packet.createMP4PacketWithData(pkt, out));
frame++;
long cur = System.currentTimeMillis();
if (cur - last > 5000) {
System.out.println(((1000 * frame) / (cur - from)) + " fps");
last = cur;
}
}
entry.setMediaType("apco");
outVideo.addSampleEntry(entry);
muxer.writeHeader();
output.close();
input.close();
}
