public BufferHelper(Sample sample, int sampleHeight)
{
buffer2D = null;
buffer = sample.ConvertToContiguousBuffer();
buffer2D = buffer.QueryInterfaceOrNull <SharpDX.MediaFoundation.Buffer2D>();
int length = 0, pitch = 0;
if (buffer2D != null)
{
byte[] arr = new byte[IntPtr.Size];
buffer2D.Lock2D(arr, out pitch);
length = buffer2D.ContiguousLength;
Data = new IntPtr(BitConverter.ToInt32(arr, 0));
}
else
{
int curlen;
Data = buffer.Lock(out length, out curlen);
pitch = length / sampleHeight;
}
Length = length;
Pitch = pitch;
}
