public boolean getAudioFrame(short[] out) {
boolean res = false;
BufferEntry be = jb.getPlayBuffer();
if (be == null) {
/* no packet available.
*
* if the decoder supports "packet loss concealing" (PLC) it will
* give us some interpolated sound data or silence, if not, the
* player will substitute "false" with "silence" (comfort noise)
*/
if (dec.hasPLC()) {
// Log.d(TAG, "Packet loss PLC");
res = dec.decode(null, 0, 0, out, false);
}
} else if (be.fec) {
/* next packet (seqNo) is not available, but the next-next (seqNo+1)
*
* Since this packet *may* contain some redundant information about
* the previous packet thru "forward error correction" (FEC) the
* JitterBuffer has given it to as as a "preview" (peek) - therefore
* we don't have to return the buffer. It stays in the queue and we'll
* get it again as a "normal" sequence packet next */
if (dec.hasFEC()) {
// Log.d(TAG, "Doing FEC with " + be.seqNo);
res = dec.decode(be.data, be.offset, be.len, out, true);
} else if (dec.hasPLC()) {
Log.d(TAG, "PLC instead of FEC");
res = dec.decode(null, 0, 0, out, false);
}
} else {
/* "normal" packet with the correct next sequence number */
// Log.d(TAG, "Normal decode of " + be.seqNo);
res = dec.decode(be.data, be.offset, be.len, out, false);
jb.returnPlayBuffer(be);
}
return res;
}
public void stop() {
dec.stop();
player.stop();
jb.reset();
}
public void start() {
dec.start();
player.start();
Log.d(TAG, "Started");
}