/// <summary>
/// Sets the direct access buffer for the VideoCamera.
/// </summary>
/// <param name="ptr">
/// Pointer to the direct access data buffer for the VideoCamera.
/// </param>
protected void SetDataBuffer(IntPtr ptr)
{
// Save data buffer
this.dataBuffer = ptr;
// Tell the kinect library about it
KinectNative.freenect_set_video_buffer(this.parentDevice.devicePointer, ptr);
// update image map
this.UpdateNextFrameImageMap();
}
/// <summary>
/// Updates the next frame imagemap that's waiting for data with any state changes
/// </summary>
protected void UpdateNextFrameImageMap()
{
if (this.DataBuffer == IntPtr.Zero)
{
// have to set our own buffer as the video buffer
this.nextFrameImage = new ImageMap(this.DataFormat);
KinectNative.freenect_set_video_buffer(this.parentDevice.devicePointer, this.nextFrameImage.DataPointer);
}
else
{
// already have a buffer from user
this.nextFrameImage = new ImageMap(this.DataFormat, this.DataBuffer);
}
}