如何使用硬件加速视频/H。264解码与directx11和windows 7?

I've been researching all day and not gotten very far. I'm on windows 7, using directx 11. (My final output is to be a frame of video onto a DX11 texture) I want to decode some very large H.264 video files, and the CPU (using libav) doesn't cut it.I've been researching all day and not gotten ve