/// <summary>
/// Place this buffer back to record more audio
/// </summary>
public void Reuse()
{
// TEST: we might not actually need to bother unpreparing and repreparing
MmException.Try(WaveInterop.waveInUnprepareHeader(waveInHandle, header, Marshal.SizeOf(header)), "waveUnprepareHeader");
MmException.Try(WaveInterop.waveInPrepareHeader(waveInHandle, header, Marshal.SizeOf(header)), "waveInPrepareHeader");
//System.Diagnostics.Debug.Assert(header.bytesRecorded == 0, "bytes recorded was not reset properly");
MmException.Try(WaveInterop.waveInAddBuffer(waveInHandle, header, Marshal.SizeOf(header)), "waveInAddBuffer");
}
private GCHandle hThis; // for the user callback
/// <summary>
/// creates a new wavebuffer
/// </summary>
/// <param name="waveInHandle">WaveIn device to write to</param>
/// <param name="bufferSize">Buffer size in bytes</param>
public WaveInBuffer(IntPtr waveInHandle, Int32 bufferSize)
{
this.bufferSize = bufferSize;
this.buffer = new byte[bufferSize];
this.hBuffer = GCHandle.Alloc(buffer, GCHandleType.Pinned);
this.waveInHandle = waveInHandle;
header = new WaveHeader();
hHeader = GCHandle.Alloc(header, GCHandleType.Pinned);
header.dataBuffer = hBuffer.AddrOfPinnedObject();
header.bufferLength = bufferSize;
header.loops = 1;
hThis = GCHandle.Alloc(this);
header.userData = (IntPtr)hThis;
MmException.Try(WaveInterop.waveInPrepareHeader(waveInHandle, header, Marshal.SizeOf(header)), "waveInPrepareHeader");
//MmException.Try(WaveInterop.waveInAddBuffer(waveInHandle, header, Marshal.SizeOf(header)), "waveInAddBuffer");
}
