[FFmpeg-user] AMF hardware acceleration duplicating frames at 60fps

Felipe pi pe pipernene at gmail.com
Sun Mar 24 02:57:08 EET 2019

It does record fine when using un-accelerated H264, so I’m pretty sure gdigrab isn’t at fault.

De: Carl Eugen Hoyos
Enviado: domingo, 24 de marzo de 2019 1:56
Para: FFmpeg user questions
Asunto: Re: [FFmpeg-user] AMF hardware acceleration duplicating frames at 60fps

2019-03-24 1:34 GMT+01:00, Felipe pi pe <pipernene at gmail.com>:
> I'm trying to record my screen with gdigrab at 60 fps and save it to an mp4
> file. This works flawlessly at 30 fps, but once I up it to 60 fps it starts
> to duplicate almost all frames and results in what I estimate is a ~10 fps
> video file. This is my command line: ffmpeg -f gdigrab -framerate 60 -i
> desktop -c:v h264_amf -y out.mp4

The console output imo indicates that gdigrab does not provide the
frames on time, I don't know what the deeper reason is.

Carl Eugen
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