Backport of "Fix several assertion in gl releated elements." into 1.18 (!962) · Merge requests · GStreamer / gst-plugins-base · GitLab

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Tim-Philipp Müller requested to merge tpm/gst-plugins-base:backport-mr-922-into-1.18-glimagesink_context into 1.18 Dec 04, 2020

Backport of !922 (merged) "Fix several assertion in gl releated elements.".

Commits:

089a1f56 glbasefilter: Delete the un-paired unlock in change_state().
1146a7e3 glbasefilter: Need to check the display before lock it.
f7ea6d9b glcolorconver: Return empty caps in transform_caps if fails.
6ffddd27 glimagesink: Avoid assert in query.