[FFmpeg-devel] [PATCH] avcodec: add minimal teletext subtitle decoder

Aman Gupta ffmpeg at tmm1.net
Thu Apr 26 18:08:00 EEST 2018


On Thu, Apr 26, 2018 at 4:35 AM, Carl Eugen Hoyos <ceffmpeg at gmail.com>
wrote:

> 2018-04-26 5:02 GMT+02:00, Aman Gupta <ffmpeg at tmm1.net>:
> > On Wed, Apr 25, 2018 at 5:30 PM Carl Eugen Hoyos <ceffmpeg at gmail.com>
> wrote:
> >
> >> 2018-04-25 4:07 GMT+02:00, Aman Gupta <ffmpeg at tmm1.net>:
> >>
> >> > Processes only teletext pages marked as subtitles, so
> >> > depending on the stream it might not produce any output.
> >>
> >> Shouldn't there be at least an option to output whatever
> >> page was requested?
> >
> > The decoder will only parse subtitle pages, and there
> > is no way to select a page by design.
>
> What about several subtitle pages (for several languages)?
>
> > One of the reasons I wrote this is because I wanted
> > subtitles to just work without having to figure out
> > which page to decode first.
>
> And this appears like a very useful default but I assumed
> it makes no big difference to "decode" a chosen page
> instead of the default subtitle page.
>

Sure, that's a reasonable option to add for users who know they want a
specific page.


>
> Carl Eugen
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