On Fri, Jul 18, 2014 at 01:14:25PM +0100, JULIAN GARDNER wrote: [...] > > You do exactly that and that's all. Then ffmpeg -i foo -vf bar -f null - > > > > There are a lot of detection only filters. volumedetect, signalstats, > > blackdetect, ... just copy their behaviour > > > > Yes but this is my problem, an example command line I need at the moment > > fmpeg -i xxxx.ts -vcodec libx264 -b:v 1000k -acodec libfaac -async 1 -vf > 'split [mark], detection [dontneed];delay=5, markregion > [vid];[dontneed][vid] overlay' -y -f mpegts processed.ts > > What I would like > > fmpeg -i xxxx.ts -vcodec libx264 -b:v 1000k -acodec libfaac -async 1 -vf > 'split [mark], detection; delay=5, markregion' -y -f mpegts processed.ts >
Use -filter_complex and map only the output of markregion. Or maybe just explicit [out0] after markregion with your -vf version, that might work, I don't remember the details, but since I'm missing detection, delay and markregion filter I have no idea how to test. [...] -- Clément B.
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