Date: Sat, 14 Sep 2019 13:30:23 +0000 (UTC) From: Hans Petter Selasky <hselasky@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-12@freebsd.org Subject: svn commit: r352324 - stable/12/sys/dev/sound/pcm Message-ID: <201909141330.x8EDUNQ9034011@repo.freebsd.org>
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Author: hselasky Date: Sat Sep 14 13:30:22 2019 New Revision: 352324 URL: https://svnweb.freebsd.org/changeset/base/352324 Log: MFC r351847: Decrease the default audio playback latency to a maximum of 21.3ms. This significantly improves the audio playback response time. Discussed with: mav@ Sponsored by: Mellanox Technologies Modified: stable/12/sys/dev/sound/pcm/channel.h Directory Properties: stable/12/ (props changed) Modified: stable/12/sys/dev/sound/pcm/channel.h ============================================================================== --- stable/12/sys/dev/sound/pcm/channel.h Sat Sep 14 13:29:41 2019 (r352323) +++ stable/12/sys/dev/sound/pcm/channel.h Sat Sep 14 13:30:22 2019 (r352324) @@ -413,7 +413,7 @@ extern int report_soft_matrix; #define CHN_LATENCY_MIN 0 #define CHN_LATENCY_MAX 10 -#define CHN_LATENCY_DEFAULT 5 +#define CHN_LATENCY_DEFAULT 2 /* 21.3ms total buffering */ #define CHN_POLICY_MIN CHN_LATENCY_MIN #define CHN_POLICY_MAX CHN_LATENCY_MAX #define CHN_POLICY_DEFAULT CHN_LATENCY_DEFAULT
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