/// <summary>
/// Read as many frames as possible from the mic sample buffer and pass them to the encoding thread
/// </summary>
private void SendFrame()
{
//Drain as many frames as possible
while (_rawMicSamples.Count > _rawMicFrames.FrameSize)
{
//Try to get a frame
var segment = new ArraySegment <float>(_frame);
var available = _rawMicFrames.Read(segment);
if (!available)
{
break;
}
//Create diagnostic writer (if necessary)
if (DebugSettings.Instance.EnableRecordingDiagnostics && DebugSettings.Instance.RecordMicrophoneRawAudio)
{
if (_microphoneDiagnosticOutput == null)
{
var filename = string.Format("Dissonance_Diagnostics/MicrophoneRawAudio_{0}", DateTime.UtcNow.ToFileTime());
_microphoneDiagnosticOutput = new AudioFileWriter(filename, _format);
}
}
else if (_microphoneDiagnosticOutput != null)
{
_microphoneDiagnosticOutput.Dispose();
_microphoneDiagnosticOutput = null;
}
//Write out the diagnostic info
if (_microphoneDiagnosticOutput != null)
{
_microphoneDiagnosticOutput.WriteSamples(segment);
_microphoneDiagnosticOutput.Flush();
}
//Send frame to subscribers
for (var i = 0; i < _subscribers.Count; i++)
{
_subscribers[i].ReceiveMicrophoneData(segment, _format);
}
}
}
/// <summary>
/// Read as many frames as possible from the mic sample buffer and pass them to the encoding thread
/// </summary>
private void SendFrame()
{
while (_rawMicSamples.Count > _preprocessing.InputFrameSize)
{
//Get an empty buffer from the pool of buffers (sent back from the audio processing thread)
var frameBuffer = _preprocessing.GetFrameBuffer();
//Read a complete frame
_rawMicFrames.Read(new ArraySegment <float>(frameBuffer));
//Create diagnostic writer (if necessary)
if (DebugSettings.Instance.EnableRecordingDiagnostics && DebugSettings.Instance.RecordMicrophoneRawAudio)
{
if (_microphoneDiagnosticOutput == null)
{
var filename = string.Format("Dissonance_Diagnostics/MicrophoneRawAudio_{0}", DateTime.UtcNow.ToFileTime());
_microphoneDiagnosticOutput = new AudioFileWriter(filename, _rawMicSamples.WaveFormat);
}
}
else if (_microphoneDiagnosticOutput != null)
{
_microphoneDiagnosticOutput.Dispose();
_microphoneDiagnosticOutput = null;
}
//Write out the diagnostic info
if (_microphoneDiagnosticOutput != null)
{
_microphoneDiagnosticOutput.WriteSamples(new ArraySegment <float>(frameBuffer));
_microphoneDiagnosticOutput.Flush();
}
//Send the full buffer to the audio thread for processing (no copying, just pass the entire buffer across by ref)
_preprocessing.Send(frameBuffer);
}
}