AudioDeviceManager: Fix a hang when a device reports a zero buffer size - #1703
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emezeske wants to merge 1 commit into
Open
AudioDeviceManager: Fix a hang when a device reports a zero buffer size#1703emezeske wants to merge 1 commit into
emezeske wants to merge 1 commit into
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emezeske
marked this pull request as ready for review
August 10, 2026 20:06
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The audio thread spins forever and the application stops producing audio, when a device reports a current buffer size of 0. The JACK backend does this while its client is unavailable, so an ordinary mid-reconfiguration moment is enough to trigger it.
CallbackMaxSizeEnforcer's chunking loop computes a block length of 0 from that and never advances.
With this change the enforcer emits a silent block instead and recovers on the next audioDeviceAboutToStart(), which restores the real block size.