[vlc-devel] Difference between --sub-filter and --sub-source

[Kaarlo Räihä]

28. maaliskuuta 2012 20.39 Peter Tap <ptrtap at yahoo.com> kirjoitti:

> Hi Kaarlo,
>
> Thank you for your help.
>
> The confusing part is that the UI Preferences dialog shows that the
> marquee control can be played as a sub-source and/or a sub-filter. Why do
> we have two options? What is the right option?
>

According to the file, it is subsource (line 147)
http://git.videolan.org/?p=vlc.git;a=blob;f=modules/video_filter/marq.c


>
> Regards,
> Peter
>
>   ------------------------------
> *From:* Kaarlo Räihä <kaarlo.raiha at gmail.com>
> *To:* Mailing list for VLC media player developers <vlc-devel at videolan.org>
>
> *Sent:* Tuesday, March 27, 2012 10:30 PM
> *Subject:* Re: [vlc-devel] Difference between --sub-filter and
> --sub-source
>
>
>
> 27. maaliskuuta 2012 23.51 Peter Tap <ptrtap at yahoo.com> kirjoitti:
>
> Folks,
>
> What is the difference between "--sub-filter" and "--sub-source" command
> line options?
>
>
> --sub-source=<string> Subpictures source module This adds so-called
> "subpicture sources". These filters overlay some images or text over the
> video (like a logo, arbitrary text, ...).
> --sub-filter=<string> Subpictures filter module This adds so-called
> "subpicture filters". These filter subpictures created by subtitles
> decoders or other subpictures sources.
>
>
>
> In my case, I have developed a video filter that displays text on screen.
> This is very similar to the marquee filter. However, when I run vlc, just
> --sub-filter="mytest" or --sub-source="mytest" doesn't work. I need to
> specify both the options to get my filter to work. I am just trying to
> understand why I need both these options.
>
> Thank you in advance for your help.
>
> Regards,
> Peter
>
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