[vlc-devel] Modify the video source before transcoding

[Kaarlo Räihä]

Tuan Le kirjoitti 21.10.2008 kello 00:28:
> Hi,
> 
> I'd like to modify the source video (e.g. video frame) images before
> transcoding to another PC. Could anyone please help let me know
>  where in the
> source code should I look at to perform such a task? I know that VLC has
> some thing like sfilter=time,soverlay=time to blend some time stamp
>  into the
> video source, but am still not very sure where to start.
> 
> Thanks much,
> Tuan.

If you need fast, simple and ugly hack, then modify some existing filter and use it while you transcode. adjust.c shows basic stuff how to adjust hue, brightness etc. ripple.c is also very basic (both are located in modules/video_filter). 

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