Allocate an AVD3D11VAContext.
< Work around for Direct3D11 and old Intel GPUs with ClearVideo interface
* @defgroup lavc_codec_hwaccel_d3d11va Direct3D11 * @ingroup lavc_codec_hwaccel * * @{ *////< Work around for Direct3D11 and old UVD/UVD+ ATI video card
@file @ingroup lavc_codec_hwaccel_d3d11va Public libavcodec D3D11VA header.
This structure is used to provides the necessary configurations and data to the Direct3D11 FFmpeg HWAccel implementation.