Jan Schmidt d3c85b4d19 qmlglsrc: Unmap buffer before adding sync meta
Adding a sync meta to a GstBuffer requires that it
be writable. Mapping the buffer with the video frame API
holds an extra ref on the buffer, so unmap before
trying to modify it.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3612>
2022-12-21 12:21:32 +00:00
..