[FFmpeg-user] Using GPU with ffmpeg

madderek at ntlworld.com madderek at ntlworld.com
Sun Nov 29 23:55:53 EET 2020

Thanks for reply.

About 4.6 hours!

The software that I am using to enhance videos will output to jpeg, I'm outputting to uncompressed 16bit TIFFs at the moment. 


-----Original Message-----
From: ffmpeg-user <ffmpeg-user-bounces at ffmpeg.org> On Behalf Of andrei ka
Sent: 29 November 2020 21:21
To: FFmpeg user questions <ffmpeg-user at ffmpeg.org>
Subject: Re: [FFmpeg-user] Using GPU with ffmpeg

20k frames are a mere 800s of a 25fps movie... how slow is cpu process ?
afaik nvenc can only do mjpeg_cuvid for stitching images, it won't work with tiffs...
e.g. ffmpeg -vsync 0 -hwaccel cuvid -c:v mjpeg_cuvid -framerate NN -i image_%04d.jpg -c:v h264_nvenc x.mp4...

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