[Bug 725341] New: playbin: detect if video-sink supports deinterlacing

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=725341
  GStreamer | gst-plugins-base | git

           Summary: playbin: detect if video-sink supports deinterlacing
    Classification: Platform
           Product: GStreamer
           Version: git
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-plugins-base
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: matthieu.bouron at collabora.com
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


The idea here is to make playbin able to detect if the video-sink supports
deinterlacing and insert whether or not the deinterlace element (and its
relative bin). This should improve the situation of hardware decoders vs
interlaced content when the decoder does not do the deinterlacing himself.

Two solutions have been proposed:

  * introduce a deinterlace interface, and implement it in the sink. The
interface can add the possibility to choose a particular deinterlacing method
from what the element supports.

  * use the element Klass, but there is no convention yet to do something like
Video/Sink + Filter/Effect/Video/Deinterlace. Maybe Video/Sink/[Filter list
...] ?

The main issue I see here is, if overlaying is required (thinking about
subtitles), it should only be done after deinterlacing, so the sink might also
need the overlay feature if we don't insert the deinterlace element.

-- 
Configure bugmail: https://bugzilla.gnome.org/userprefs.cgi?tab=email
------- You are receiving this mail because: -------
You are the QA contact for the bug.
You are the assignee for the bug.