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authorGeorge Kiagiadakis <george.kiagiadakis@collabora.com>2019-12-24 11:36:06 +0200
committerGeorge Kiagiadakis <george.kiagiadakis@collabora.com>2019-12-24 19:54:36 +0200
commit242d8a1dcd3f15d5d7c173f45cdbf820d7b173d6 (patch)
treeefac0b11459c04d4ba850771dfb33e5f0edf98eb /binding/audiomixer.h
parentf2358d170b1ce4a46a136b02f3aa708c3221ba2f (diff)
audiomixer: rework event handling to avoid race conditionsicefish_8.99.5icefish/8.99.58.99.5
Previously there was a race condition that would happen when audiomixer was the first client to connect to pipewire. It would get a session first and then a default endpoint id from the session, but at the time the default endpoint id would be known, the WpProxyEndpoints would still not be ready. This would cause the populate_controls() algorithm to end up with no controls and the binding would therefore report that no controls were exposed. Now we also handle objects-changed from the endpoints object manager. This is an additional trigger, so that when we end up in the situation described above, the objects-changed from the endpoints om will trigger the controls to be exposed eventually. In order to avoid signalling control changes all the time, there are now some checks to change controls only under certain conditions. Change-Id: Ied705592f889a0262465ed5efa711233a66d579b Signed-off-by: George Kiagiadakis <george.kiagiadakis@collabora.com>
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