This allows for much more power-efficient. That will disable hardware acceleration for these types of files while leaving it enabled for other types (like VC-1, MPEG-2, and DVD). VDPAU accelerated VP9 10bit and 12bit decoding, DXVA2/D3D11VA hardware. Unlike video encoding on a CPU or a general-purpose GPU, Quick Sync is a dedicated hardware core on the processor die. It is not a fix, but in LAV video (using MPC-HC) you can work around it by unchecking H.264 under Codecs for HW Decoding. DXVA implementations come in two variants: native and copy-back. Screenshot below is the change to the hardware decoder in LAV. I am trying to encode a 10-bit H.265 video from a 8-bit H.264 source using ffmpeg with CUDA hardware acceleration. DirectX Video Acceleration (DXVA) is an API and a corresponding DDI for using hardware acceleration to speed up video processing. Intel Quick Sync Video uses the dedicated media processing capabilities of. Intel QuickSync: Similar to CUVID, but for Intels GPU:s.
It is also no longer being developed and does not support HEVC. DXVA2 Copy-back is the best choice of hardware acceleration.
#Quicksync vs dxva2 software#
MP2 either displays a blank screen or can't find the file when DXVA2 is turned on. There is no difference in quality between any of the decoding modes, including software decoding. The issue comes in with using MP2 on the DXVA2 (native) setting. The right half is using QuickSync which uses 100% CPU, no Video Decode and can be measured in frames per minute while counting by hand. Left half is DXVA2 which uses Video Decode, has low CPU usage and plays smoothly. Below is the task manager graph of the iGPU. Using MPCHC and LAV 70.2 for testing, QuicksSync greys out HEVC but DXVA2 (native) shows HEVC and works great.
Anyways it comes down to the LAV codec not using QuickSync to decode the HEVC files and a i3-7100U in the NUC not having the power for software decoding.
#Quicksync vs dxva2 windows 10#
With more videos coming out in 4k and using HEVC 10 bit I started looking into why MP2 couldn't play them smoothly on my clients while the same client could play the file in windows 10 media player or MPCHC. H.264 DXVA Benchmarks: QuickSync vs UVD 2.2 vs VP4 vs VP5 Software players H.264 DXVA Benchmarks: QuickSync vs UVD 2.2 vs VP4 vs VP5 - Doom9's Forum Welcome to Doom9 's Forum, THE in-place to be for everyone interested in DVD conversion. DirectX Video Accelerator (DXVA) This type of hardware acceleration improves video encoding/decoding performance by routing work to the GPU (integrated or discrete).
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