Open Sound System
The Hitchhiker's Guide to OSS 4.1 Internals

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ADEV_DUPLEX audio engine flag

Audio device can do single-devicefile full duplex

Description

This flag is used by "old-style" OSS audio engines that can do both recording and playback at the same time.

New style OSS drivers create separate audio engines for playback and recording. Such drivers should not specify this flag.

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