[FFmpeg-user] recording @ 120fps on mac fails with 'activeVideoMinFrameDuration not supported'

Carl Eugen Hoyos ceffmpeg at gmail.com
Wed Nov 15 17:48:04 EET 2017

2017-11-15 4:58 GMT+01:00 Roman Puttkammer <rputtkammer at gmail.com>:
> I did run into another issue; though the frame rate 320/240 @ 120fps is set
> successfully, ffmpeg reports only 30+ fps later on.

Please test without encoding to analyse whether this is a performance issue:
$ ffmpeg -f avfoundation -video_size 320x240 -r 120.101366 -pixel_format uyvy422
-i "0:none" -f null -

The status line will tell you the actual reading speed.

Please do not top-post here, Carl Eugen

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