RADV_PERFTEST=video_decode,video_encode time -p ./ffmpeg -init_hw_device vulkan=vulkan -filter_hw_device vulkan -hwaccel vulkan -i ~/K38_sdcard1/Documents/iPhone11_4K-recorder_59.940HDR10.mov -vf libplacebo=w=1920:h=1080:force_original_aspect_ratio=decrease:normalize_sar=true:upscaler=ewa_lanczos:downscaler=ewa_lanczos:colorspace=bt709:color_primaries=bt709:color_trc=bt709:range=tv -c:a copy -c:v libx264 -f mp4 -benchmark /dev/shm/ffmpeg-git-libplacebo-vulkan-2k.mp4
frame= 1148 fps= 10 q=-1.0 Lsize= 30435KiB time=00:00:19.13 bitrate=13029.3kbits/s speed=0.167x bench: utime=355.600s stime=25.878s rtime=114.342s so nearly 10 fps with scaled to FHD input! (otherwise 32bit x264 OOMs) ffmpeg git 8bb682d454990a1049a21f1f51442205ea3337e9 configured as ./configure --enable-opencl --disable-debug --enable-libx265 --enable-libx264 --enable-gpl --enable-libplacebo --enable-vulkan --enable-libshaderc --enable-libzimg --enable-libaom --enable-libdav1d --enable-libsoxr --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-gnutls --enable-libass --enable-libbluray --enable-libcdio --enable-frei0r --enable-libgsm --enable-openal --enable-libopus --enable-librtmp --enable-libsnappy --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libv4l2 --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwebp Cpu usage for just decoding also was lower than in vaapi case, so *some* use for Vulkan decode, contrary to my initial sceptecism!
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