[Bug 765795] glimagesink: support video frame rotation

GStreamer (GNOME Bugzilla) bugzilla at gnome.org
Fri May 6 08:18:57 UTC 2016


https://bugzilla.gnome.org/show_bug.cgi?id=765795

--- Comment #10 from Matthew Waters (ystreet00) <ystreet00 at gmail.com> ---
My opinion is that removing unnecessary stuff from glimagesinkelement and
having separate distinct elements that only do one thing is a good
architectural goal.  That comes at the cost of performance though which isn't
ideal.

For this, if adding glvideoflip to glimagesinkbin is good enough
performance-wise, then that's what should happen.  Otherwise, we should attempt
to reuse the GstVideoAffineTransformationMeta for this to avoid adding extra
unnecessary code to glimagesink.  See
https://cgit.freedesktop.org/gstreamer/gst-plugins-bad/tree/ext/gl/gstglimagesink.c#n2028

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