/// <summary>
/// Starts recording
/// </summary>
/// <param name="recordingConfig">Recording configuration</param>
public void Start(RecordingConfig recordingConfig)
{
if (_recordingStatus == RecordingStatus.NotRecording)
{
InitAggregator(recordingConfig.SampleRate);
CheckRecordingDevice(recordingConfig);
InitFader(recordingConfig.SampleRate);
_waveSource = new WaveIn
{
WaveFormat = new WaveFormat(recordingConfig.SampleRate, recordingConfig.ChannelCount),
DeviceNumber = recordingConfig.RecordingDevice,
};
_waveSource.DataAvailable += WaveSourceDataAvailableHandler;
_waveSource.RecordingStopped += WaveSourceRecordingStoppedHandler;
_mp3Writer = new LameMP3FileWriter(
recordingConfig.DestFilePath,
_waveSource.WaveFormat,
recordingConfig.Mp3BitRate,
CreateTag(recordingConfig));
_waveSource.StartRecording();
OnRecordingStatusChangeEvent(new RecordingStatusChangeEventArgs(RecordingStatus.Recording));
}
}
private static ID3TagData CreateTag(RecordingConfig recordingConfig)
{
// tag is embedded as MP3 metadata
return(new()
{
Title = recordingConfig.TrackTitle,
Album = recordingConfig.AlbumName,
Track = recordingConfig.TrackNumber.ToString(),
Genre = recordingConfig.Genre,
Year = recordingConfig.RecordingDate.Year.ToString(),
});
}
private static ID3TagData CreateTag(RecordingConfig recordingConfig)
{
// tag is embeded as MP3 metadata
return(new ID3TagData
{
Title = recordingConfig.TrackTitle,
Album = recordingConfig.AlbumName,
Track = recordingConfig.TrackNumber.ToString(),
Genre = recordingConfig.Genre,
Year = recordingConfig.RecordingDate.Year.ToString(),
UserDefinedTags = new string[] { } // fix bug in naudio.lame
});
}
private static void CheckRecordingDevice(RecordingConfig recordingConfig)
{
int deviceCount = WaveIn.DeviceCount;
if (deviceCount == 0)
{
throw new NoDevicesException();
}
if (recordingConfig.RecordingDevice >= deviceCount)
{
recordingConfig.RecordingDevice = 0;
}
}
private static void CheckRecordingDevice(RecordingConfig recordingConfig)
{
var deviceCount = WaveIn.DeviceCount;
if (deviceCount == 0)
{
throw new NoDevicesException();
}
if (!recordingConfig.UseLoopbackCapture && recordingConfig.RecordingDevice >= deviceCount)
{
recordingConfig.RecordingDevice = 0;
}
}
/// <summary>
/// Starts recording.
/// </summary>
/// <param name="recordingConfig">Recording configuration.</param>
public void Start(RecordingConfig recordingConfig)
{
if (_recordingStatus == RecordingStatus.NotRecording)
{
CheckRecordingDevice(recordingConfig);
if (recordingConfig.UseLoopbackCapture)
{
_waveSource = new WasapiLoopbackCapture();
ConfigureSilenceOut();
}
else
{
_waveSource = new WaveIn
{
WaveFormat = new WaveFormat(recordingConfig.SampleRate, recordingConfig.ChannelCount),
DeviceNumber = recordingConfig.RecordingDevice,
};
}
InitAggregator(_waveSource.WaveFormat.SampleRate);
InitFader(_waveSource.WaveFormat.SampleRate);
_waveSource.DataAvailable += WaveSourceDataAvailableHandler;
_waveSource.RecordingStopped += WaveSourceRecordingStoppedHandler;
_mp3Writer = new LameMP3FileWriter(
recordingConfig.DestFilePath,
_waveSource.WaveFormat,
recordingConfig.Mp3BitRate,
CreateTag(recordingConfig));
_waveSource.StartRecording();
_tempRecordingFilePath = recordingConfig.DestFilePath;
_finalRecordingFilePath = recordingConfig.FinalFilePath;
OnRecordingStatusChangeEvent(new RecordingStatusChangeEventArgs(RecordingStatus.Recording)
{
TempRecordingPath = _tempRecordingFilePath,
FinalRecordingPath = _finalRecordingFilePath
});
}
}
