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6ffddd27e5
The sink_query just uses context, other_context and display to query info. But all these objects can be changed or distroyed in state_change() func and other places. This patch is not very perfect. The condition race still exists in other places in this element. All the functions directly access these objects without protection. Most of them are executed when the data is pushing and draw context/window have already been established, so they should not have problems. But the sink_query and propose_allocation functions are the query -like functions and executed in query context, which can be called in any state of the element. So it can cause some crash issues because of destroyed context object. Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-base/-/merge_requests/922> |
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