/// <summary>
/// Creates a new synchronizable instance of <see cref="RecordingProvider"/> to be used with an <see cref="IRecorder"/>.
/// </summary>
/// <param name="Device">The Recording Device.</param>
/// <param name="Wf"><see cref="WaveFormat"/> to use.</param>
/// <param name="FrameRate">The <see cref="IRecorder"/>'s FrameRate.</param>
public RecordingProvider(RecordingDevice Device, WaveFormat Wf, int FrameRate)
{
WaveFormat = Wf;
BASS.RecordInit(Device.DeviceIndex);
BASS.CurrentRecordingDevice = Device.DeviceIndex;
var flags = BassFlags.RecordPause;
if (Wf.Encoding == WaveFormatEncoding.Float && Wf.BitsPerSample == 32)
{
flags |= BassFlags.Float;
}
else if (Wf.Encoding == WaveFormatEncoding.Pcm && Wf.BitsPerSample == 8)
{
flags |= BassFlags.Byte;
}
else if (!(Wf.Encoding == WaveFormatEncoding.Pcm && Wf.BitsPerSample == 16))
{
throw new ArgumentException(nameof(Wf));
}
IsSynchronizable = FrameRate != -1;
if (IsSynchronizable)
{
BASS.RecordingBufferLength = 3000 / FrameRate;
}
_handle = IsSynchronizable ? BASS.RecordStart(Wf.SampleRate, Wf.Channels, flags, BASS.RecordingBufferLength / 3, Procedure, IntPtr.Zero)
: BASS.RecordStart(Wf.SampleRate, Wf.Channels, flags, Procedure);
BASS.ChannelSetSync(_handle, SyncFlags.Free, 0, (H, C, D, U) => RecordingStopped?.Invoke(this, new EndEventArgs(null)));
}
/// <summary> /// Start Recording. /// </summary> public void Start() => BASS.ChannelPlay(_handle);
/// <summary> /// Frees up the resources used by this instant. /// </summary> public void Dispose() => BASS.StreamFree(_handle);
/// <summary> /// Stop Recording. /// </summary> public void Stop() => BASS.ChannelPause(_handle);
