Update CUVID headers to CUDA SDK 6.5
Plumbing for HEVC HWAccel
Rename AVC1AnnexBConvert -> AnnexBConverter

It can also be used for HEVC
CUVID HEVC decoding support
Add HEVC hwaccel option in the GUI
cuvid: Implement proper AnnexB conversion for HEVC extradata
Fix an error in HEVC AnnexB extradata conversion
Add a CH265Nalu class
cuvid: Check if the HEVC profile is compatible with CUVID decoding
cuvid: app new cores per SM unit mappings for latest architectures
Update ffmpeg
HEVC DXVA2 support
Disable HEVC HWAccel by default
Update changelog
Update ffmpeg for mkv/webm fix
Avoid crashes with unknown pixel formats
Change how double-flush protections is handled to be slightly saner
Fix HEVC fallback in DXVA2-Native mode
cuvid: add mapping for compute level 5.2
dxva2: fix crash when opening HEVC clip with SAO enabled