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D49524.id152990.diff

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+=== Audio Stack Improvements
+
+Contact: Christos Margiolis <christos@FreeBSD.org>
+
+I have been working on the audio stack since 2024Q1. Below is a list of the previous status reports:
+
+* link:https://www.freebsd.org/status/report-2024-01-2024-03/#_audio_stack_improvements[2024Q1]
+* link:https://www.freebsd.org/status/report-2024-04-2024-06/#_audio_stack_improvements[2024Q2]
+* link:https://www.freebsd.org/status/report-2024-07-2024-09/#_audio_stack_improvements[2024Q3]
+* link:https://www.freebsd.org/status/report-2024-10-2024-12/#_audio_stack_improvements[2024Q4]
+
+Important work since link:https://www.freebsd.org/status/report-2024-10-2024-12/#_audio_stack_improvements[last report]:
+
+* Large refactor in man:sound[4]'s format conversion framework: link:https://cgit.freebsd.org/src/commit/?id=433e270f341cf660b2fe125c2e0f733073829188[433e270f341c]. Further simplifications and refactors in the rest of the processing chain.
+* Implemented link:https://cgit.freebsd.org/src/commit/?id=e1bbaa71d62c8681a576f9f5bedf475c7541bd35[AFMT_FLOAT] support.
+* More out-of-the-box laptop support, especially Framework models.
+* Virtual channels are now allocated on-demand: link:https://cgit.freebsd.org/src/commit/?id=02d4eeabfd73e6a827f5d42601e99aad92060b04[02d4eeabfd73]
+* Re-implementing `/dev/dsp` as a virtual/router device: link:https://reviews.freebsd.org/D49216[D49216]. Apart from the standalone benefits of this change, it will also help us improve automatic sound redirection in man:snd_hda[4].
+* More man:sound[4] cleanups, fixes and improvements.
+* New virtual_oss release: https://github.com/freebsd/virtual_oss/releases/tag/v1.3.2
+* Got my audio-related BSDCan 2025 talk proposal accepted.
+* Put porting SOF to FreeBSD on the backburner for now. See link:https://lists.freebsd.org/archives/freebsd-multimedia/2025-March/002889.html[here] for an explanation.
+* In contact with potential GSOC students interested in link:https://wiki.freebsd.org/SummerOfCodeIdeas#Port_virtual_oss_to_base[porting virtual_oss to base].
+
+Future work includes:
+
+* Finish currently open tasks.
+* More bug fixes, support, optimizations and general improvements, in all areas of the sound stack.
+* Get back to link:https://reviews.freebsd.org/D46227[audio(8)]
+* Implement a generic MIDI layer, similar to pcm/, and improve/modernize the MIDI codebase in general.
+
+You can also follow the development process in link:https://lists.freebsd.org/subscription/freebsd-multimedia[freebsd-multimedia@], where I post regular reports.
+
+Sponsor: The FreeBSD Foundation

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