private static LiveAudioDtmfAnalyzer InitLiveAudioAnalyzer(IWaveIn waveIn)
{
var analyzer = new LiveAudioDtmfAnalyzer(waveIn);
analyzer.DtmfToneStarted += start => Console.WriteLine($"{start.DtmfTone.Key}");
return(analyzer);
}
} // cmdStop_Click
private void cmdUseDevices_Click(object sender, EventArgs e)
{
try
{
// logging
MethodBase myMethod = new StackTrace().GetFrame(0).GetMethod();
MethodBeginLogging(myMethod);
DeviceInNo = (int)comboWaveIn.SelectedValue;
DeviceOutNo = (int)comboWaveOut.SelectedValue;
SetText(string.Format("DeviceIn set to {0} -- DeviceOut set to {1}", DeviceInNo.ToString(), DeviceOutNo.ToString()));
micIn.BufferMilliseconds = 100;
micIn.NumberOfBuffers = 3;
micIn.DeviceNumber = DeviceInNo;
MyState = DTMFCommandStates.ignore;
SpeakIt("Welcome to Rumble!");
LoadConfig("0");
analyzer = new LiveAudioDtmfAnalyzer(micIn, forceMono: false);
analyzer.DtmfToneStarted += Analyzer_DtmfToneStarted;
analyzer.DtmfToneStopped += Analyzer_DtmfToneStopped;
cmdListen.Enabled = true;
// logging
MethodEndLogging(myMethod);
} // try
catch (Exception ex)
{
UtilityMethods.ExceptionHandler(ex, TraceString);
} // catch
} // cmdUseDevices_Click
private static LiveAudioDtmfAnalyzer InitLiveAudioAnalyzer(Log log, IWaveIn waveIn)
{
var analyzer = new LiveAudioDtmfAnalyzer(waveIn);
analyzer.DtmfToneStarted += start => log.Add($"{start.DtmfTone.Key} key started on {start.Position.TimeOfDay} (channel {start.Channel})");
analyzer.DtmfToneStopped += end => log.Add($"{end.DtmfTone.Key} key stopped after {end.Duration.TotalSeconds} s (channel {end.Channel})");
return(analyzer);
}
private static void CaptureAndAnalyzeLiveAudio()
{
using (var log = new Log("audioOut.log"))
{
LiveAudioDtmfAnalyzer analyzer = null;
IWaveIn audioSource = null;
while (true)
{
Console.WriteLine("====================================\n"
+ "[O] Capture current audio output\n"
+ "[M] Capture mic in\n"
+ "[Esc] Stop capturing/quit");
var key = Console.ReadKey(true);
switch (key.Key)
{
case ConsoleKey.O:
analyzer?.StopCapturing();
audioSource?.Dispose();
audioSource = new WasapiLoopbackCapture {
ShareMode = AudioClientShareMode.Shared
};
analyzer = InitLiveAudioAnalyzer(log, audioSource);
analyzer.StartCapturing();
break;
case ConsoleKey.M:
analyzer?.StopCapturing();
audioSource?.Dispose();
audioSource = new WaveInEvent {
WaveFormat = new WaveFormat(8000, 32, 1)
};
analyzer = InitLiveAudioAnalyzer(log, audioSource);
analyzer.StartCapturing();
break;
case ConsoleKey.Escape:
if (analyzer == null || !analyzer.IsCapturing)
{
return;
}
analyzer.StopCapturing();
audioSource.Dispose();
break;
}
}
}
}
public void Start(IWaveIn waveIn)
{
var config = new DetectorConfig();
config.PowerThreshold = _config.Tolerance;
var analyzer = new LiveAudioDtmfAnalyzer(config, waveIn);
//analyzer.DtmfToneStarted += start => _log.Add($"{start.DtmfTone.Key} key started on {start.Position.TimeOfDay} (channel {start.Channel})");
//analyzer.DtmfToneStopped += end => _log.Add($"{end.DtmfTone.Key} key stopped after {end.Duration.TotalSeconds}s (channel {end.Channel})");
analyzer.DtmfToneStarted += start =>
{
EvaluatorStarted?.Invoke(this, new EvaluatorEventArgs(start, null, DateTime.UtcNow));
};
analyzer.DtmfToneStopped += end =>
{
_logger.Debug($"AudioEvaluator->DtmfToneStopped {end.TimeStamp.ToString("O")}");
EvaluatorFinished?.Invoke(this, new EvaluatorEventArgs(null, end, DateTime.UtcNow));
if (end.Duration > new TimeSpan(0, 0, 0, 0, 0))
{
_logger.Debug($"AudioEvaluator->Finished Tones: {_finishedTones.Count}");
_logger.Debug($"AudioEvaluator->Current Finished Tones:");
_logger.Debug($"----------------------------------------------------------");
lock (_lock)
{
foreach (var tone in _finishedTones)
{
_logger.Debug(
$"AudioEvaluator->Finished Tone: {tone.DtmfTone.HighTone} finished in {tone.Duration.TotalMilliseconds}ms");
}
}
_logger.Debug($"==========================================================");
var existingTone = _finishedTones.FirstOrDefault(x => x.DtmfTone.HighTone == end.DtmfTone.HighTone &&
(end.TimeStamp.Subtract(x.TimeStamp).TotalMilliseconds <= 1000 &&
end.TimeStamp.Subtract(x.TimeStamp).TotalMilliseconds >= -1000));
if (existingTone != null && existingTone.Duration < new TimeSpan(0, 0, 0, 0, 1500))
{
_logger.Debug($"AudioEvaluator->DtmfToneStopped: Existing tone for {existingTone.DtmfTone.HighTone} adding {end.Duration.TotalMilliseconds}ms");
existingTone.Duration += end.Duration;
}
else
{
_logger.Debug($"AudioEvaluator->DtmfToneStopped: No Existing tone for {end.DtmfTone.HighTone} for duration {end.Duration}");
_finishedTones.Add(end);
}
}
CheckFinishedTonesForTriggers();
};
analyzer.StartCapturing();
}
