[Bug 787973] playbin reset the color balance value in video-sink parameters.

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=787973

--- Comment #5 from Víctor Manuel Jáquez Leal <vjaquez at igalia.com> ---
(In reply to Ung, Teng En from comment #4)
> Well, the other parameter passed in like " fullscreen=true " have same
> effect on both cases.  

As far as I understand, that a different situation, since I'm not aware of a
fullscreen interface, neither one similar proxied by playbin. 

Also, normally fullscreen mode is handled by the application, but in the
specific case of vaapisink, there's a property just for testing purposes.

> Thus, from user point of view, it seems like the
> behavior on the color balance have different behavior with look like a bug. 

IMO this is conclusion couldn't be valid.

> Is there anyway that user can initialize the color balance value on the
> beginning through playbin.

By using a gst-launch-1.0 or gst-play-1.0 it seems not. But by an application,
you should, by getting the color balance interface from the playbin and setting
the hue, for example.

https://gstreamer.freedesktop.org/documentation/tutorials/playback/color-balance.html#color-balance-example

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