/// <summary>
/// Retrieves a pointer to the next available packet of data in the capture endpoint buffer.
/// http: //msdn.microsoft.com/en-us/library/dd370859(v=vs.85).aspx
/// </summary>
/// <remarks>
/// Use Marshal.Copy to convert the pointer to the buffer into an array.
/// </remarks>
public IntPtr GetBuffer(out UInt32 framesRead, out AudioClientBufferFlags flags, out UInt64 devicePosition, out UInt64 qpcPosition)
{
IntPtr data;
int result = GetBufferNative(out data, out framesRead, out flags, out devicePosition, out qpcPosition);
CoreAudioAPIException.Try(result, c, "GetBuffer");
return data;
}
/// <summary>
/// バッファの中の現在の1パケットを取得する
/// <remarks>バッファ内の全データを取得するには、NextPacketSizeが0になるまでGetBuffer()を繰り返す必要がある</remarks>
/// </summary>
/// <param name="data">取得したデータのバイト列</param>
/// <param name="numFramesToRead">取得したデータのフレーム数(ブロック単位)</param>
/// <param name="flags"></param>
/// <param name="devicePosition"></param>
/// <param name="qpcPosition"></param>
public void GetBuffer(
out byte[] data,
out uint numFramesToRead,
out AudioClientBufferFlags flags,
out ulong devicePosition,
out ulong qpcPosition)
{
lock (_lockObj)
{
IntPtr p;
int hr = _RealClient.GetBuffer(
out p, out numFramesToRead,
out flags, out devicePosition,
out qpcPosition);
Marshal.ThrowExceptionForHR(hr);
if (numFramesToRead == 0)
{
data = new byte[0];
}
else
{
int byteSize = (int)numFramesToRead * _Parent.MixFormat.nBlockAlign;
data = new byte[byteSize];
Marshal.Copy(p, data, 0, byteSize);
}
hr = _RealClient.ReleaseBuffer(numFramesToRead);
Marshal.ThrowExceptionForHR(hr);
}
}
/// <summary>
/// Gets a pointer to the buffer
/// </summary>
/// <param name="numFramesToRead">Number of frames to read</param>
/// <param name="bufferFlags">Buffer flags</param>
/// <returns>Pointer to the buffer</returns>
public IntPtr GetBuffer(
out int numFramesToRead,
out AudioClientBufferFlags bufferFlags)
{
IntPtr bufferPointer;
long devicePosition;
long qpcPosition;
Marshal.ThrowExceptionForHR(audioCaptureClientInterface.GetBuffer(out bufferPointer, out numFramesToRead, out bufferFlags, out devicePosition, out qpcPosition));
return bufferPointer;
}
/// <summary>
/// Retrieves a pointer to the next available packet of data in the capture endpoint buffer.
/// For more information see
/// <see href="http://msdn.microsoft.com/en-us/library/windows/desktop/dd370859%28v=vs.85%29.aspx" />.
/// </summary>
/// <param name="data">
/// A pointer variable into which the method writes the starting address of the next data
/// packet that is available for the client to read.
/// </param>
/// <param name="numFramesRead">
/// Variable into which the method writes the frame count (the number of audio frames
/// available in the data packet). The client should either read the entire data packet or none of it.
/// </param>
/// <param name="flags">Variable into which the method writes the buffer-status flags.</param>
/// <param name="devicePosition">
/// Variable into which the method writes the device position of the first audio frame in the
/// data packet. The device position is expressed as the number of audio frames from the start of the stream.
/// </param>
/// <param name="qpcPosition">
/// Variable into which the method writes the value of the performance counter at the time that
/// the audio endpoint device recorded the device position of the first audio frame in the data packet.
/// </param>
/// <returns>HRESULT</returns>
public unsafe int GetBufferNative(out IntPtr data, out Int32 numFramesRead, out AudioClientBufferFlags flags,
out Int64 devicePosition, out Int64 qpcPosition)
{
fixed (void* d = &data, p0 = &numFramesRead, p1 = &flags)
{
fixed (void* p2 = &devicePosition, p3 = &qpcPosition)
{
return InteropCalls.CallI(UnsafeBasePtr, d, p0, p1, p2, p3, ((void**) (*(void**) UnsafeBasePtr))[3]);
}
}
}
/// <summary>
/// Retrieves a pointer to the next available packet of data in the capture endpoint buffer.
/// For more information see
/// <see href="http://msdn.microsoft.com/en-us/library/windows/desktop/dd370859%28v=vs.85%29.aspx" />.
/// </summary>
/// <param name="framesRead">
/// Variable into which the method writes the frame count (the number of audio frames available in
/// the data packet). The client should either read the entire data packet or none of it.
/// </param>
/// <param name="flags">Variable into which the method writes the buffer-status flags.</param>
/// <returns>
/// Pointer to a variable which stores the starting address of the next data packet that is available for the
/// client to read.
/// </returns>
/// <remarks>
/// Use Marshal.Copy to convert the pointer to the buffer into an array.
/// </remarks>
public IntPtr GetBuffer(out int framesRead, out AudioClientBufferFlags flags)
{
Int64 p0, p1;
return GetBuffer(out framesRead, out flags, out p0, out p1);
}
/// <summary>
/// The ReleaseBuffer method releases the buffer space acquired in the previous call to the
/// IAudioRenderClient::GetBuffer method.
/// </summary>
public void ReleaseBuffer(int numFramesWritter, AudioClientBufferFlags flags)
{
CoreAudioAPIException.Try(ReleaseBufferInternal(numFramesWritter, flags), c, "ReleaseBuffer");
}
/// <summary>
/// The ReleaseBuffer method releases the buffer space acquired in the previous call to the
/// IAudioRenderClient::GetBuffer method.
/// </summary>
/// <returns>HRESULT</returns>
public unsafe int ReleaseBufferInternal(int numFramesWritten, AudioClientBufferFlags flags)
{
return InteropCalls.CallI(_basePtr, unchecked(numFramesWritten), unchecked(flags), ((void**)(*(void**)_basePtr))[4]);
}
public void ReleaseBuffer(uint numFramesWritten, AudioClientBufferFlags flags)
{
int hr = _RealClient.ReleaseBuffer(numFramesWritten, flags);
Marshal.ThrowExceptionForHR(hr);
}
/// <summary>
/// Release buffer
/// </summary>
/// <param name="numFramesWritten">Number of frames written</param>
/// <param name="bufferFlags">Buffer flags</param>
public void ReleaseBuffer(int numFramesWritten, AudioClientBufferFlags bufferFlags)
{
Marshal.ThrowExceptionForHR(audioRenderClientInterface.ReleaseBuffer(numFramesWritten, bufferFlags));
}
public void ReleaseBuffer(uint numFramesWritten, AudioClientBufferFlags flags)
{
int hr = _RealClient.ReleaseBuffer(numFramesWritten, flags);
Marshal.ThrowExceptionForHR(hr);
}
/// <summary>
/// The ReleaseBuffer method releases the buffer space acquired in the previous call to the
/// IAudioRenderClient::GetBuffer method.
/// </summary>
public void ReleaseBuffer(int numFramesWritter, AudioClientBufferFlags flags)
{
CoreAudioAPIException.Try(ReleaseBufferInternal(numFramesWritter, flags), c, "ReleaseBuffer");
}
/// <summary>
/// The ReleaseBuffer method releases the buffer space acquired in the previous call to the
/// IAudioRenderClient::GetBuffer method.
/// </summary>
/// <returns>HRESULT</returns>
public unsafe int ReleaseBufferInternal(int numFramesWritten, AudioClientBufferFlags flags)
{
return(InteropCalls.CallI(_basePtr, unchecked (numFramesWritten), unchecked (flags), ((void **)(*(void **)_basePtr))[4]));
}
internal static unsafe int CallI(void *_basePtr, int p1, AudioClientBufferFlags audioClientBufferFlags, void *p2)
{
throw new NotImplementedException();
}
/// <summary>
/// Releases the buffer space acquired in the previous call to the
/// <see cref="GetBuffer" /> method.
/// </summary>
/// <param name="numFramesWritten">
/// The number of audio frames written by the client to the data packet.
/// The value of this parameter must be less than or equal to the size of the data packet, as specified in the
/// <c>numFramesRequested</c> parameter passed to the <see cref="GetBuffer" /> method.
/// </param>
/// <param name="flags">The buffer-configuration flags.</param>
public void ReleaseBuffer(int numFramesWritten, AudioClientBufferFlags flags)
{
CoreAudioAPIException.Try(ReleaseBufferNative(numFramesWritten, flags), InterfaceName, "ReleaseBuffer");
}
/// <summary>
/// Releases the buffer space acquired in the previous call to the
/// <see cref="GetBuffer" /> method.
/// </summary>
/// <param name="numFramesWritten">
/// The number of audio frames written by the client to the data packet.
/// The value of this parameter must be less than or equal to the size of the data packet, as specified in the
/// <c>numFramesRequested</c> parameter passed to the <see cref="GetBuffer" /> method.
/// </param>
/// <param name="flags">The buffer-configuration flags.</param>
/// <returns>HRESULT</returns>
public unsafe int ReleaseBufferNative(int numFramesWritten, AudioClientBufferFlags flags)
{
return(LocalInterop.Calli(UnsafeBasePtr, unchecked (numFramesWritten), unchecked (flags),
((void **)(*(void **)UnsafeBasePtr))[4]));
}
internal static unsafe int CallI(void* _basePtr, int p1, AudioClientBufferFlags audioClientBufferFlags, void* p2)
{
throw new NotImplementedException();
}
/// <summary>
/// Release buffer
/// </summary>
/// <param name="numFramesWritten">Number of frames written</param>
/// <param name="bufferFlags">Buffer flags</param>
public void ReleaseBuffer(int numFramesWritten,AudioClientBufferFlags bufferFlags)
{
Marshal.ThrowExceptionForHR(audioRenderClientInterface.ReleaseBuffer(numFramesWritten, bufferFlags));
}
/// <summary>
/// Releases the buffer space acquired in the previous call to the
/// <see cref="GetBuffer" /> method.
/// </summary>
/// <param name="numFramesWritten">
/// The number of audio frames written by the client to the data packet.
/// The value of this parameter must be less than or equal to the size of the data packet, as specified in the
/// <c>numFramesRequested</c> parameter passed to the <see cref="GetBuffer" /> method.
/// </param>
/// <param name="flags">The buffer-configuration flags.</param>
public void ReleaseBuffer(int numFramesWritten, AudioClientBufferFlags flags)
{
CoreAudioAPIException.Try(ReleaseBufferNative(numFramesWritten, flags), InterfaceName, "ReleaseBuffer");
}
/// <summary>
/// Release buffer
/// </summary>
/// <param name="numFramesWritten">Number of frames written</param>
/// <param name="bufferFlags">Buffer flags</param>
public void ReleaseBuffer(int numFramesWritten,AudioClientBufferFlags bufferFlags)
{
audioRenderClientInterface.ReleaseBuffer(numFramesWritten, bufferFlags);
}
/// <summary>
/// Retrieves a pointer to the next available packet of data in the capture endpoint buffer.
/// For more information see
/// <see href="http://msdn.microsoft.com/en-us/library/windows/desktop/dd370859%28v=vs.85%29.aspx" />.
/// </summary>
/// <param name="framesRead">
/// Variable into which the method writes the frame count (the number of audio frames available in
/// the data packet). The client should either read the entire data packet or none of it.
/// </param>
/// <param name="flags">Variable into which the method writes the buffer-status flags.</param>
/// <returns>
/// Pointer to a variable which stores the starting address of the next data packet that is available for the
/// client to read.
/// </returns>
/// <remarks>
/// Use Marshal.Copy to convert the pointer to the buffer into an array.
/// </remarks>
public IntPtr GetBuffer(out int framesRead, out AudioClientBufferFlags flags)
{
Int64 p0, p1;
return(GetBuffer(out framesRead, out flags, out p0, out p1));
}
