Exemplo n.º 1
0
  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;
  }
Exemplo n.º 2
0
 public void stop() {
   dec.stop();
   player.stop();
   jb.reset();
 }
Exemplo n.º 3
0
 public void start() {
   dec.start();
   player.start();
   Log.d(TAG, "Started");
 }