vout_intf: setup video-stereo-mode callback in init and add a non-regression test for it (!6797) · Merge requests · VideoLAN / VLC

Alexandre Janniaux requested to merge alexandre-janniaux/vlc:vout-dummy-stereo/1 into master Feb 04, 2025

Dummy video outputs only define variables and don't use the interactive interface callbacks as they are not running. Because the callback was set during the initial variable setup, it would lead to assertion inside the video_output.c code as the stereo mode was changed dynamically from a dummy video_output object.

The problem appears as soon as the libvlc API is used before the vout is started.

Reference MR !6559 (merged) which introduced the libvlc API.

vout_intf: setup video-stereo-mode callback in init and add a non-regression test for it

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