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Revision 1.14 / (download) - annotate - [select for diffs], Mon Apr 22 11:07:42 2024 UTC (3 weeks, 6 days ago) by ratchov
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Changes since 1.13: +2 -2 lines
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sndiod: Use a 24-bit table for index to volume conversion.
Revision 1.13 / (download) - annotate - [select for diffs], Mon Apr 22 11:01:02 2024 UTC (3 weeks, 6 days ago) by ratchov
Branch: MAIN
Changes since 1.12: +4 -2 lines
Diff to previous 1.12 (colored)
sndiod: Use resampling algorithm from aucat sndiod doesn't use partial blocks as aucat, but having the same algorithm makes code review and testing easier.
Revision 1.12 / (download) - annotate - [select for diffs], Mon Dec 26 19:16:03 2022 UTC (16 months, 3 weeks ago) by jmc
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CVS Tags: OPENBSD_7_5_BASE,
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Changes since 1.11: +2 -2 lines
Diff to previous 1.11 (colored)
spelling fixes; from paul tagliamonte amendments to his diff are noted on tech
Revision 1.11 / (download) - annotate - [select for diffs], Mon Mar 7 08:58:33 2022 UTC (2 years, 2 months ago) by ratchov
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OPENBSD_7_1
Changes since 1.10: +2 -16 lines
Diff to previous 1.10 (colored)
Switch internal sample representation to 24-bit fixed-point. The default device precision doesn't change (yet), i.e. we still request the usual 16-bit mode, when available. Hardware supporting 24-bit samples only gets end-to-end 24-bit processing by default. ok kettenis
Revision 1.10 / (download) - annotate - [select for diffs], Tue May 25 08:06:12 2021 UTC (2 years, 11 months ago) by ratchov
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CVS Tags: OPENBSD_7_0_BASE,
OPENBSD_7_0
Changes since 1.9: +1 -44 lines
Diff to previous 1.9 (colored)
Drop assembly for 24-bit fixed-point operations Now i386 compiler is smart enough to generate a single imul instruction per fixed-point multiplication. This change also allows 24-bit precision to be used on all archs (if -DADATA_BITS=24 is used). Tested on arm64 by Doug Moss <dougmoss710 at yahoo.com>, thanks Suggested and ok naddy@
Revision 1.9 / (download) - annotate - [select for diffs], Tue Jan 12 15:46:53 2021 UTC (3 years, 4 months ago) by naddy
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CVS Tags: OPENBSD_6_9_BASE,
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Changes since 1.8: +2 -2 lines
Diff to previous 1.8 (colored)
const-ify lookup tables; ok ratchov@
Revision 1.8 / (download) - annotate - [select for diffs], Mon Jan 11 14:26:00 2021 UTC (3 years, 4 months ago) by ratchov
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Changes since 1.7: +29 -2 lines
Diff to previous 1.7 (colored)
Use a 8-th order FIR low-pass filter for resampling At the expence of slightly more CPU cycles, it almost removes aliasing noise in most practical use-cases.
Revision 1.7 / (download) - annotate - [select for diffs], Fri Jun 8 06:21:56 2018 UTC (5 years, 11 months ago) by ratchov
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CVS Tags: OPENBSD_6_8_BASE,
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OPENBSD_6_7,
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Changes since 1.6: +2 -3 lines
Diff to previous 1.6 (colored)
Greatly simplify the resampling routine using the fact it processes exactly one block.
Revision 1.6 / (download) - annotate - [select for diffs], Thu Oct 20 05:29:55 2016 UTC (7 years, 7 months ago) by ratchov
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Changes since 1.5: +0 -1 lines
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remove unused variables
Revision 1.5 / (download) - annotate - [select for diffs], Fri Jan 8 16:17:31 2016 UTC (8 years, 4 months ago) by ratchov
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CVS Tags: OPENBSD_6_0_BASE,
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OPENBSD_5_9
Changes since 1.4: +3 -3 lines
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Make code fit in 80 columns, remove trailing spaces & tabs.
Revision 1.4 / (download) - annotate - [select for diffs], Sun Oct 12 21:52:27 2014 UTC (9 years, 7 months ago) by ratchov
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CVS Tags: OPENBSD_5_8_BASE,
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OPENBSD_5_7
Changes since 1.3: +2 -2 lines
Diff to previous 1.3 (colored)
Don't assume that right-shift sign-extends integers.
Revision 1.3 / (download) - annotate - [select for diffs], Wed Mar 5 20:06:05 2014 UTC (10 years, 2 months ago) by ratchov
Branch: MAIN
CVS Tags: OPENBSD_5_6_BASE,
OPENBSD_5_6
Changes since 1.2: +1 -2 lines
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remove (unused) square tone generator
Revision 1.2 / (download) - annotate - [select for diffs], Mon Nov 18 17:37:45 2013 UTC (10 years, 6 months ago) by ratchov
Branch: MAIN
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OPENBSD_5_5
Changes since 1.1: +2 -1 lines
Diff to previous 1.1 (colored)
add missing prototypes
Revision 1.1 / (download) - annotate - [select for diffs], Fri Nov 23 07:03:28 2012 UTC (11 years, 5 months ago) by ratchov
Branch: MAIN
CVS Tags: OPENBSD_5_4_BASE,
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OPENBSD_5_3
Remplace aucat server by a new sndiod daemon aimed to be simpler smaller and faster than aucat. It's a drop in replacement with the following exceptions that don't affect the default setup: - The sample rate and the encoding are a per-device parameters thus -r and -e options must precede the corresponding -f option - MIDI thru boxes are dynamically created and no -M option is required anymore, so -M was removed. - MIDI ports are exposed with a new ``midi/N'' name, rather than abusing MIDI thru boxes. with help from armani@, ok deraadt@