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Tim-Philipp Müller authored
So we don't crash when a muxer tries to add tags from two threads at the same time, eg. because it received tag events on two input pads simultaneously. See #619533.
99eb992b
So we don't crash when a muxer tries to add tags from two threads at the same time, eg. because it received tag events on two input pads simultaneously. See #619533.