[Bug 758212] playbin adds the template caps on autoplug-query

GStreamer (GNOME Bugzilla) bugzilla at gnome.org
Fri Jan 8 08:32:24 PST 2016


https://bugzilla.gnome.org/show_bug.cgi?id=758212

--- Comment #9 from Sebastian Dröge (slomo) <slomo at coaxion.net> ---
I think the behaviour in playbin doesn't make any sense and is wrong.

What we basically do here is to return completely different caps based on what
the filter is. We can even return more strict caps with a less strict filter
now, e.g.:

filter=video/x-raw,format=RGBA and downstream only supports BGRA => we return
video/x-raw

filter=NULL and downstream only supports BGRA => we return
video/x-raw,format=BGRA.


IMHO this violates some assumptions about caps behaviour we have.

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