The input stream id is completely unrelated to the input
sample buffer index - the sample allocated in AllocateInputSample
contains one single media buffer, at index 0.
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>
Media Foundation is a framework for encoding/decoding multimedia
content on Windows Vista and above. A Media Foundation Transform (MFT)
is a module implementing an encoder, a decoder or a filter.
MFTs can be enumerated and initialized using the function MFTEnumEx.
A MFT can be SW or HW, synchronous or asynchronous.