Video converter with several variants of caps on srcpad

[Nicolas Dufresne]

Le jeudi 08 mars 2018 à 19:10 +0300, Aleksandr Slobodeniuk a écrit :
> totem player, that uses playbin with cluttervideosink works fine with
> it.
>  
> The difference I can see is that gst_base_transform_find_transform
> can sucessfully query caps from the peer of srcpad, and intersect
> them after it (which is a solution for such elements as my
> converter). But in case of manual decodebin pipeline (repeating:
>  
> filesrc location=~/file.mp4 ! qtdemux ! decodebin ! xvimagesink
>  
> ) , srcpad has no peer at this moment.

playbin will forward some of the signal to playsink, while
parse_launch() have no idea what decodebin signals are about.

Nicolas
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