public void setStream(TrackInfo tInfo, boolean useAsMaster) {
this.tInfo = tInfo;
this.useAsMaster = useAsMaster;
if (pbs != null) pbs.setTransferHandler(null);
pbs = tInfo.pbs;
// Sync up all media at the beginning of the file.
if (masterTime > 0) timeStamp = masterTime;
lastTS = 0;
pbs.setTransferHandler(this);
}
@Override
public void read(Buffer buffer) throws IOException {
pbs.read(buffer);
// Remap the time stamps so it won't wrap around
// while changing to a new file.
if (buffer.getTimeStamp() != Buffer.TIME_UNKNOWN) {
long diff = buffer.getTimeStamp() - lastTS;
lastTS = buffer.getTimeStamp();
if (diff > 0) timeStamp += diff;
buffer.setTimeStamp(timeStamp);
}
// If this track is to be used as the master time base,
// we'll need to compute the master time based on this track.
if (useAsMaster) {
if (buffer.getFormat() instanceof AudioFormat) {
AudioFormat af = (AudioFormat) buffer.getFormat();
masterAudioLen += buffer.getLength();
long t = af.computeDuration(masterAudioLen);
if (t > 0) {
masterTime = t;
} else {
masterTime = buffer.getTimeStamp();
}
} else {
masterTime = buffer.getTimeStamp();
}
}
if (buffer.isEOM()) {
tInfo.done = true;
if (!ds.handleEOM(tInfo)) {
// This is not the last processor to be done.
// We'll need to un-set the EOM flag.
buffer.setEOM(false);
buffer.setDiscard(true);
}
}
}