Benchmark

h264_amf
hevc_amf

-hwaccel d3d11va

-c:v libx264
 
or
 
-c:v h264_amf

-c:v libx265 
 
or
 
-c:v hevc_amf

#1 - A corrupt 1920×1080 video:

ffmpeg -y -vsync 0 -i "input.mp4" -c:a copy -c:v h264_amf -pix_fmt yuv420p "output.mp4"

#2 - a 7680×3840 H.265 video with incompatible profile for VHT - a stutter playback 7260×3630 60fps 10bit video

ffmpeg -y -vsync 0 -i "input.mp4" -c:a copy -c:v hevc_amf -pix_fmt yuv420p "output.mp4"

#3 - a 7680×7680 video not hardware decoded because is H.264 encoded

ffmpeg -y -vsync 0 -i "input.mp4" -c:a copy -c:v hevc_amf -pix_fmt yuv420p "output.mp4"