private void FfmpegListener()
{
AudioFileReader afr = null;
Program.WriterMutex.WaitOne();
try
{
afr = new AudioFileReader();
afr.Open(_source);
}
catch (Exception ex)
{
Log.Error("",ex);//MainForm.LogExceptionToFile(ex);
}
Program.WriterMutex.ReleaseMutex();
if (afr == null || !afr.IsOpen)
{
if (AudioFinished!=null)
AudioFinished(this, ReasonToFinishPlaying.AudioSourceError);
return;
}
RecordingFormat = new WaveFormat(afr.SampleRate, 16, afr.Channels);
_waveProvider = new BufferedWaveProvider(RecordingFormat) { DiscardOnBufferOverflow = true };
_sampleChannel = new SampleChannel(_waveProvider);
_sampleChannel.PreVolumeMeter += SampleChannelPreVolumeMeter;
byte[] data;
int mult = afr.BitsPerSample/8;
double btrg = Convert.ToDouble(afr.SampleRate*mult*afr.Channels);
DateTime lastPacket = DateTime.Now;
bool realTime = _source.IndexOf("://") != -1;
try
{
DateTime req = DateTime.Now;
while (!_stopEvent.WaitOne(0, false))
{
data = afr.ReadAudioFrame();
if (data.Length>0)
{
lastPacket = DateTime.Now;
if (DataAvailable != null)
{
//forces processing of volume level without piping it out
_waveProvider.AddSamples(data, 0, data.Length);
var sampleBuffer = new float[data.Length];
_sampleChannel.Read(sampleBuffer, 0, data.Length);
if (WaveOutProvider!=null && Listening)
{
WaveOutProvider.AddSamples(data, 0, data.Length);
}
var da = new DataAvailableEventArgs((byte[]) data.Clone());
DataAvailable(this, da);
}
if (realTime)
{
if (_stopEvent.WaitOne(10, false))
break;
}
else
{
double f = (data.Length/btrg)*1000;
if (f > 0)
{
var span = DateTime.Now.Subtract(req);
var msec = Convert.ToInt32(f - (int) span.TotalMilliseconds);
if ((msec > 0) && (_stopEvent.WaitOne(msec, false)))
break;
req = DateTime.Now;
}
}
}
else
{
if ((DateTime.Now - lastPacket).TotalMilliseconds > 5000)
{
afr.Close();
Stop();
throw new Exception("Audio source timeout");
}
if (_stopEvent.WaitOne(30, false))
break;
}
}
if (AudioFinished != null)
AudioFinished(this, ReasonToFinishPlaying.StoppedByUser);
}
catch (Exception e)
{
if (AudioSourceError!=null)
AudioSourceError(this, new AudioSourceErrorEventArgs(e.Message));
Log.Error("",e);//MainForm.LogExceptionToFile(e);
}
}
private void FfmpegListener()
{
AudioFileReader afr = null;
Program.WriterMutex.WaitOne();
try
{
afr = new AudioFileReader();
afr.Open(_source);
}
catch (Exception ex)
{
MainForm.LogExceptionToFile(ex);
}
Program.WriterMutex.ReleaseMutex();
if (afr == null || !afr.IsOpen)
{
if (AudioFinished != null)
{
AudioFinished(this, ReasonToFinishPlaying.AudioSourceError);
}
return;
}
RecordingFormat = new WaveFormat(afr.SampleRate, 16, afr.Channels);
_waveProvider = new BufferedWaveProvider(RecordingFormat)
{
DiscardOnBufferOverflow = true
};
_sampleChannel = new SampleChannel(_waveProvider);
_sampleChannel.PreVolumeMeter += SampleChannelPreVolumeMeter;
byte[] data;
double brat = (1000d / Convert.ToDouble(afr.SampleRate * afr.Channels * 4));
try
{
while (!_stopEvent.WaitOne(0, false))
{
DateTime start = DateTime.Now;
data = afr.ReadAudioFrame();
if (data.Length > 0)
{
if (DataAvailable != null)
{
//forces processing of volume level without piping it out
_waveProvider.AddSamples(data, 0, data.Length);
var sampleBuffer = new float[data.Length];
_sampleChannel.Read(sampleBuffer, 0, data.Length);
if (WaveOutProvider != null && Listening)
{
WaveOutProvider.AddSamples(data, 0, data.Length);
}
var da = new DataAvailableEventArgs((byte[])data.Clone());
DataAvailable(this, da);
}
int interval = Convert.ToInt32(Convert.ToDouble(data.Length) * brat);
if (interval > 0)
{
var span = DateTime.Now.Subtract(start);
int msec = interval - (int)span.TotalMilliseconds;
if ((msec > 0) && (_stopEvent.WaitOne(msec, false)))
{
break;
}
}
}
}
if (AudioFinished != null)
{
AudioFinished(this, ReasonToFinishPlaying.StoppedByUser);
}
}
catch (Exception e)
{
if (AudioSourceError != null)
{
AudioSourceError(this, new AudioSourceErrorEventArgs(e.Message));
}
MainForm.LogExceptionToFile(e);
}
}
private void FfmpegListener()
{
AudioFileReader afr = null;
Program.WriterMutex.WaitOne();
try
{
afr = new AudioFileReader();
afr.Open(_source);
}
catch (Exception ex)
{
Log.Error("", ex);//MainForm.LogExceptionToFile(ex);
}
Program.WriterMutex.ReleaseMutex();
if (afr == null || !afr.IsOpen)
{
if (AudioFinished != null)
{
AudioFinished(this, ReasonToFinishPlaying.AudioSourceError);
}
return;
}
RecordingFormat = new WaveFormat(afr.SampleRate, 16, afr.Channels);
_waveProvider = new BufferedWaveProvider(RecordingFormat)
{
DiscardOnBufferOverflow = true
};
_sampleChannel = new SampleChannel(_waveProvider);
_sampleChannel.PreVolumeMeter += SampleChannelPreVolumeMeter;
byte[] data;
int mult = afr.BitsPerSample / 8;
double btrg = Convert.ToDouble(afr.SampleRate * mult * afr.Channels);
DateTime lastPacket = DateTime.Now;
bool realTime = _source.IndexOf("://") != -1;
try
{
DateTime req = DateTime.Now;
while (!_stopEvent.WaitOne(0, false))
{
data = afr.ReadAudioFrame();
if (data.Length > 0)
{
lastPacket = DateTime.Now;
if (DataAvailable != null)
{
//forces processing of volume level without piping it out
_waveProvider.AddSamples(data, 0, data.Length);
var sampleBuffer = new float[data.Length];
_sampleChannel.Read(sampleBuffer, 0, data.Length);
if (WaveOutProvider != null && Listening)
{
WaveOutProvider.AddSamples(data, 0, data.Length);
}
var da = new DataAvailableEventArgs((byte[])data.Clone());
DataAvailable(this, da);
}
if (realTime)
{
if (_stopEvent.WaitOne(10, false))
{
break;
}
}
else
{
double f = (data.Length / btrg) * 1000;
if (f > 0)
{
var span = DateTime.Now.Subtract(req);
var msec = Convert.ToInt32(f - (int)span.TotalMilliseconds);
if ((msec > 0) && (_stopEvent.WaitOne(msec, false)))
{
break;
}
req = DateTime.Now;
}
}
}
else
{
if ((DateTime.Now - lastPacket).TotalMilliseconds > 5000)
{
afr.Close();
Stop();
throw new Exception("Audio source timeout");
}
if (_stopEvent.WaitOne(30, false))
{
break;
}
}
}
if (AudioFinished != null)
{
AudioFinished(this, ReasonToFinishPlaying.StoppedByUser);
}
}
catch (Exception e)
{
if (AudioSourceError != null)
{
AudioSourceError(this, new AudioSourceErrorEventArgs(e.Message));
}
Log.Error("", e);//MainForm.LogExceptionToFile(e);
}
}
