[Development report #9] Audio Stack Improvements
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Date: Tue, 02 Apr 2024 14:14:39 UTC
Committed DEVFS_CDEVPRIV(9) patch: - https://cgit.freebsd.org/src/commit/?id=dc831e93bad63f9faea09f1806a7733a40bff316 - Updated the SNDCTL_AUDIOINFO ioctl to write /dev/dspX instead of /dev/dspX.Y to ai->devnode. - Closed https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=246208 as accessing specific channels through device nodes is no longer possible. Committed asynchronous audio device detach patch: - https://cgit.freebsd.org/src/commit/?id=9eff58c6d52b66eb8abe7f724dabcd804a566df4 - Fixed a kern_poll() panic caught after applying the patch and hot-unplugging the audio device while jackd is running: https://cgit.freebsd.org/src/commit/?id=fba54d0179aabb3d94211ca80f94fe5b98ac6d3b - Will send call-for-testing and mail annoyed people once a snapshot build with the patch included is built. - Debugging an LOR reported in D44411, although it’s not related to the patch. Updates to /dev/sndstat: - https://cgit.freebsd.org/src/commit/?id=6d1cee1640e1c360917e483ece5ec1bde423b788 - https://reviews.freebsd.org/D44571 - https://reviews.freebsd.org/D44546 (Abandoned since it will break backwards compatibility and this functionality will be built into a new userland tool anyway.) Implementing missing OSSv4 ioctls: - https://reviews.freebsd.org/D44570 Minor patches: - https://cgit.freebsd.org/src/commit/?id=c136e6180e4762c1180d89cd2291fd9a935a721d - https://cgit.freebsd.org/src/commit/?id=b5e55dbf357472ffa39345b30b8b781e988a440f - https://cgit.freebsd.org/src/commit/?id=d46a6a77e8e14177d07e3a53f68b428e5d1cb416 Submitted a 2024Q1 report: https://cgit.freebsd.org/doc/commit/?id=df8f360e93a2fa210dc3a0a7aa4dae6e855a8076 This work is sponsored by the FreeBSD Foundation. Christos