[FFmpeg-devel] Filters

Clément Bœsch u at pkh.me
Fri Jul 18 14:55:56 CEST 2014

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.
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 473 bytes
Desc: not available
URL: <https://ffmpeg.org/pipermail/ffmpeg-devel/attachments/20140718/0e1b4f19/attachment.asc>

More information about the ffmpeg-devel mailing list