[pkgsrc/trunk]: pkgsrc/devel/SDL2 Remove delay whilst writing audio. Improve...

[nat <nat%pkgsrc.org@localhost>]

details:   https://anonhg.NetBSD.org/pkgsrc/rev/353fea4674b3
branches:  trunk
changeset: 652363:353fea4674b3
user:      nat <nat%pkgsrc.org@localhost>
date:      Sun May 31 09:20:48 2015 +0000

description:
Remove delay whilst writing audio.  Improves latency.
Bump PKGREVISION.

This commit was approved by wiz@

diffstat:

 devel/SDL2/Makefile                                    |   4 ++--
 devel/SDL2/distinfo                                    |   3 ++-
 devel/SDL2/patches/patch-src_audio_bsd_SDL__bsdaudio.c |  17 +++++++++++++++++
 3 files changed, 21 insertions(+), 3 deletions(-)

diffs (49 lines):

diff -r 6d9c1425ac26 -r 353fea4674b3 devel/SDL2/Makefile
--- a/devel/SDL2/Makefile       Sun May 31 09:17:53 2015 +0000
+++ b/devel/SDL2/Makefile       Sun May 31 09:20:48 2015 +0000
@@ -1,7 +1,7 @@
-# $NetBSD: Makefile,v 1.14 2015/04/25 14:20:31 tnn Exp $
+# $NetBSD: Makefile,v 1.15 2015/05/31 09:20:48 nat Exp $
 
 DISTNAME=      SDL2-2.0.3
-PKGREVISION=   8
+PKGREVISION=   9
 CATEGORIES=    devel
 MASTER_SITES=  http://www.libsdl.org/release/
 
diff -r 6d9c1425ac26 -r 353fea4674b3 devel/SDL2/distinfo
--- a/devel/SDL2/distinfo       Sun May 31 09:17:53 2015 +0000
+++ b/devel/SDL2/distinfo       Sun May 31 09:20:48 2015 +0000
@@ -1,9 +1,10 @@
-$NetBSD: distinfo,v 1.10 2015/02/25 12:45:59 jmcneill Exp $
+$NetBSD: distinfo,v 1.11 2015/05/31 09:20:48 nat Exp $
 
 SHA1 (SDL2-2.0.3.tar.gz) = 21c45586a4e94d7622e371340edec5da40d06ecc
 RMD160 (SDL2-2.0.3.tar.gz) = e6f3718c7366c5da793c1454cf0ec0972e8bd347
 Size (SDL2-2.0.3.tar.gz) = 3871267 bytes
 SHA1 (patch-configure) = 7f0469ef69c2a7fc6a769435f0d29a01148df122
+SHA1 (patch-src_audio_bsd_SDL__bsdaudio.c) = ad4bfdfc617b05880e3d0165000b7c570abca146
 SHA1 (patch-src_cpuinfo_SDL_cpuinfo.c) = 9482910e62023b92e80ce4d3b670a1a1e666789f
 SHA1 (patch-src_joystick_bsd_SDL__sysjoystick.c) = 5d2b4d560196a861d4d3e459478d4528f3b759b7
 SHA1 (patch-src_thread_pthread_SDL__systhread.c) = 68f32770d067d2b6dcffe96da2dd4aa6b4c82050
diff -r 6d9c1425ac26 -r 353fea4674b3 devel/SDL2/patches/patch-src_audio_bsd_SDL__bsdaudio.c
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/devel/SDL2/patches/patch-src_audio_bsd_SDL__bsdaudio.c    Sun May 31 09:20:48 2015 +0000
@@ -0,0 +1,17 @@
+$NetBSD: patch-src_audio_bsd_SDL__bsdaudio.c,v 1.1 2015/05/31 09:20:48 nat Exp $
+
+# Remove delay as there is already an inherent delay in writing audio.
+--- src/audio/bsd/SDL_bsdaudio.c.orig  2014-03-16 02:31:44.000000000 +0000
++++ src/audio/bsd/SDL_bsdaudio.c
+@@ -181,11 +181,6 @@ BSDAUDIO_PlayDevice(_THIS)
+             perror("audio");
+             break;
+         }
+-
+-        if (p < written
+-            || ((written < 0) && ((errno == 0) || (errno == EAGAIN)))) {
+-            SDL_Delay(1);       /* Let a little CPU time go by */
+-        }
+     } while (p < written);
+ 
+     /* If timer synchronization is enabled, set the next write frame */