public VuMeter(AudioPlayer player, AudioRecorder recorder)
{
m_Player = player;
m_Recorder = recorder;
m_EnableAudioLevelAlerts = false;
m_Player.PcmDataBufferAvailable += new AudioPlayer.PcmDataBufferAvailableHandler(OnPcmDataBufferAvailable_Player);
m_Recorder.PcmDataBufferAvailable += new AudioRecorder.PcmDataBufferAvailableHandler(OnPcmDataBufferAvailable_Recorder);
m_Player.StateChanged += new AudioPlayer.StateChangedHandler(StateChanged);
m_Recorder.StateChanged += new AudioRecorder.StateChangedHandler(StateChanged);
}
public void OnPcmDataBufferAvailable_Recorder(object sender, AudioRecorder.PcmDataBufferAvailableEventArgs e)
{
AudioRecorder ob_AudioRecorder = sender as AudioRecorder;
if (ob_AudioRecorder == null || ob_AudioRecorder != m_Recorder)
{
Debug.Fail("This should never happen !!!?");
return;
}
#if CLONE_PCM_BUFFER
if (m_PcmDataBuffer == null || m_PcmDataBuffer.Length != e.PcmDataBuffer.Length)
{
Console.WriteLine("*** creating m_Recorder buffer");
m_PcmDataBuffer = new byte[e.PcmDataBuffer.Length];
}
Array.Copy(e.PcmDataBuffer, m_PcmDataBuffer, e.PcmDataBuffer.Length);
#else
m_PcmDataBuffer = e.PcmDataBuffer;
m_PcmDataBufferLength = e.PcmDataBufferLength;
#endif
m_computingPeakDb = true;
double[] peakDb = computePeakDb(m_Recorder.RecordingPCMFormat);
m_computingPeakDb = false;
PeakMeterUpdateHandler del = PeakMeterUpdated;
if ((m_Recorder.CurrentState == AudioRecorder.State.Monitoring || m_Recorder.CurrentState == AudioRecorder.State.Recording) &&
del != null)
{
m_PeakMeterUpdateEventArgs.PeakDb = peakDb;
del(this, m_PeakMeterUpdateEventArgs);
}
//var del_ = PeakMeterUpdated;
//if (del_ != null)
//{
//m_PeakMeterUpdateEventArgs.PeakDb = peakDb;
//del_(this, m_PeakMeterUpdateEventArgs);
//}
int index = 0;
for (int i = 0; i < peakDb.Length; i++)
{
double peak = peakDb[i];
index++;
if (peak < 0)
{
continue;
}
PeakOverloadHandler delOverload = PeakMeterOverloaded;
if ((m_Recorder.CurrentState == AudioRecorder.State.Monitoring || m_Recorder.CurrentState == AudioRecorder.State.Recording) &&
delOverload != null)
{
m_PeakOverloadEventArgs.Channel = index;
delOverload(this, m_PeakOverloadEventArgs);
}
//var del = PeakMeterOverloaded;
//if (del != null)
//{
//m_PeakOverloadEventArgs.Channel = index;
//m_PeakOverloadEventArgs.Time = m_Recorder.CurrentDurationInLocalUnits;
//del(this, m_PeakOverloadEventArgs);
//}
}
}