[FFmpeg-user] video4linux2 framerate

Carl Eugen Hoyos cehoyos at ag.or.at
Wed Apr 30 16:17:23 CEST 2014

 <kqt4at5v <at> gmail.com> writes:

> ffmpeg version 0.8.10-4:0.8.10-0ubuntu0.12.04.1, Copyright 
> (c) 2000-2013 the Libav developers

This is not FFmpeg but an intentionally broken version with 
several hundred known, user-reported bugs that are not 
reproducible with FFmpeg, some of them security-relevant. 
Please understand that we cannot support it here.
Read the following to get more information:

> It records but runs at 15 fps, I guess this is why "The driver does not 
> allow to change time per frame". So my question is how can I record 1 fps?

As explained, move the "-r 1" behind the input option ("-i") to 
specify an output frame rate.

Carl Eugen

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