[FFmpeg-user] ffmpeg - avfoundation Audio stutters / sounds broken with screen capture [sample, config, output included]

Carl Eugen Hoyos cehoyos at ag.or.at
Sun Apr 26 23:04:44 CEST 2015

kevin <kevincastiglione <at> gmail.com> writes:

> ffmpeg -f avfoundation -i "1:0" -r 25  -c:v mpeg4 
> -c:a libfdk_aac -b:a 128k -ar 44100  screen-default-mpeg4-fdk-aac.mp4
> ffmpeg version 2.6.1 Copyright (c) 2000-2015 the FFmpeg developers

Please test current FFmpeg git head with "framerate" and 
please test if a smaller framerate makes a difference.

While at it, please use "-acodec aac -strict -2" if it 
allows to reproduce the issue.

Is -ar 44100 needed to reproduce the issue? If not, 
please remove it.

Carl Eugen

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