Fields
- BufferType: D3D11_VIDEO_DECODER_BUFFER_TYPE
- BufferIndex: u32
- DataOffset: u32
- DataSize: u32
- FirstMBaddress: u32
- NumMBsInBuffer: u32
- Width: u32
- Height: u32
- Stride: u32
- ReservedBits: u32
- pIV: *void
- IVSize: u32
- PartialEncryption: BOOL
- EncryptedBlockInfo: D3D11_ENCRYPTED_BLOCK_INFO