[Cin] Tried ffv1_vulkan ....

Andrea paz gamberucci.andrea at gmail.com
Mon Apr 28 09:45:07 CEST 2025


Using the command:
time -p ffmpeg -init_hw_device vulkan=vulkan -filter_hw_device vulkan
-hwaccel vulkan -i hdr_02.mp4 -vf
libplacebo=format=yuv444p: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 2k.mp4

It's all OK.

[out#0/mp4 @ 0x5ca40c822200] video:209548KiB audio:2438KiB
subtitle:0KiB other streams:0KiB global headers:0KiB muxing overhead:
0.114947%
frame= 9504 fps= 94 q=-1.0 Lsize=  212230KiB time=00:02:38.52
bitrate=10967.3kbits/s speed=1.56x
bench: utime=1158.824s stime=56.576s rtime=101.561s
bench: maxrss=3467240KiB
real 101,71
user 1158,87
sys 56,63

But this is a command I had already tried.
I don't want to put ffmpeg-git on my system. Is it useless to compile
ffmpeg-git in CinGG? Can ffv1_vulkan be made to work inside CinGG?


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