protected StampedAudio readMic() {
StampedAudio stampedAudio = null;
if (_mic != null) {
int timestamp = getOutboundTimestamp();
// read is blocking.
int bufferRead = _mic.read(_micFramebuff, 0, _micFramebuff.length);
Log.verb(
this.getClass().getSimpleName()
+ ".readMic(): length="
+ _micFramebuff.length
+ ", bufferRead="
+ bufferRead);
short[] sframe = _micFramebuff;
// short[] seframe = effectIn(sframe);
byte[] tbuff = _encoder.encode_frame(sframe);
if (tbuff != null) {
stampedAudio = _audio.getCleanStampedAudio();
stampedAudio.setStampAndBytes(tbuff, 0, tbuff.length, timestamp);
_audio.saveReadStampedAudio(stampedAudio);
_countFrames++;
}
}
return stampedAudio;
}
public void run() {
// android.os.Process.setThreadPriority(android.os.Process.THREAD_PRIORITY_URGENT_AUDIO);
// _mic.startRecording();
long then = getTime();
long ftime = _audio.getFrameInterval();
while (_me != null) {
readMic();
long now = getTime();
long nexpected = (ftime * _countFrames) + then;
long nap = (nexpected - now);
if (_countFrames % 50 == 0) Log.debug("would sleep " + nap);
nap = 1;
try {
Thread.sleep(nap);
} catch (InterruptedException ex) {
Log.verb(
this.getClass().getSimpleName() + ".run(): InterruptedException: " + ex.getMessage());
}
}
}
protected int getOutboundTimestamp() {
return (int) _countFrames * _audio.getFrameInterval();
}