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Differential D48035

sound: Remove macro magic from pcm/feeder_matrix.c
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Authored by christos on Dec 11 2024, 4:49 PM.
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Reviewers
markj
emaste
dev_submerge.ch
Summary

Turn the FEEDMATRIX_DECLARE macro into a single inline function
(feed_matrix_apply()). There is no reason to have this as a macro, it
only complicated the code. An advantage of this patch is that, because
we no longer call the functions created by the macro through function
pointers (apply field of feed_matrix_info), we can call
feed_matrix_apply() directly in feed_matrix_feed().

Sponsored by: The FreeBSD Foundation
MFC after: 1 week

Diff Detail

Repository
rG FreeBSD src repository
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Unit
Tests Skipped
Build Status
Buildable 61692
Build 58576: arc lint + arc unit

Event Timeline

christos created this revision.Dec 11 2024, 4:49 PM
Herald added a subscriber: imp. · View Herald TranscriptDec 11 2024, 4:49 PM
christos requested review of this revision.Dec 11 2024, 4:49 PM
Harbormaster completed remote builds in B61091: Diff 147823.Dec 11 2024, 4:49 PM
christos added a parent revision: D48034: sound: Cache bps in pcm/feeder_eq.c.Dec 11 2024, 4:49 PM
christos added a child revision: D48036: sound: Remove feed_matrix_apply_generic().
dev_submerge.ch added a comment.Dec 13 2024, 3:01 PM

Same as D48032, you may want to call your function with literal format parameters, for performance reasons.

christos mentioned this in D48036: sound: Remove feed_matrix_apply_generic().Dec 15 2024, 10:51 PM
christos updated this revision to Diff 148255.Dec 19 2024, 6:12 PM

Address Florian's comment.

Harbormaster completed remote builds in B61268: Diff 148255.Dec 19 2024, 6:12 PM
christos added a comment.Sun, Dec 29, 8:27 PM

Bump.

markj added inline comments.Sun, Dec 29, 8:34 PM
sys/dev/sound/pcm/feeder_matrix.c
435

Why can't this entire switch statement just be feed_matrix_apply(info, src, dst, j, info->fmt);?

christos added inline comments.Sun, Dec 29, 8:37 PM
sys/dev/sound/pcm/feeder_matrix.c
435

There is related discussion in D48032

christos updated this revision to Diff 148915.Tue, Jan 7, 8:54 PM

Mark fmt argument as const.

Harbormaster completed remote builds in B61568: Diff 148915.Tue, Jan 7, 8:54 PM
christos added a parent revision: D48421: sound: Turn PCM_CLAMP_* macros into a function.Fri, Jan 10, 6:40 PM
christos updated this revision to Diff 149084.Fri, Jan 10, 6:42 PM

Rebase on top of D48421.

Harbormaster completed remote builds in B61654: Diff 149084.Fri, Jan 10, 6:42 PM
christos removed a parent revision: D48034: sound: Cache bps in pcm/feeder_eq.c.Fri, Jan 10, 6:46 PM
christos updated this revision to Diff 149173.Mon, Jan 13, 1:23 PM

Clamp accum, not v, as in the original code.

Harbormaster completed remote builds in B61692: Diff 149173.Mon, Jan 13, 1:23 PM

Revision Contents
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sys/
dev/
sound/
pcm/
185 lines

Diff 149173

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sys/dev/sound/pcm/feeder_matrix.c

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