mirror/freebsd-ports
1
0
Fork 0
mirror of https://git.FreeBSD.org/ports.git synced 2024-12-25 04:43:33 +00:00
Code Issues Releases Activity

- Fix a sound distortion issue for the OSS backend

Browse Source 
PR:		ports/178343
Submitted by:	Yamagi Burmeister <yamagi@yamagi.org>
This commit is contained in:
Marcus von Appen 2013-05-23 06:05:32 +00:00
parent 2b5b2e526b
commit 04e72495da
Notes: svn2git 2021-03-31 03:12:20 +00:00 
svn path=/head/; revision=318843
2 changed files with 38 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
audio/openal-soft/Makefile
View File

@ -2,6 +2,7 @@
PORTNAME= openal-soft
PORTVERSION= 1.15.1
PORTREVISION= 1
CATEGORIES= audio
MASTER_SITES= http://kcat.strangesoft.net/openal-releases/

37
audio/openal-soft/files/patch-Alc-ALu.c Normal file
View File

@ -0,0 +1,37 @@
--- Alc/ALu.c.orig 2013-05-23 08:00:01.000000000 +0200
+++ Alc/ALu.c 2013-05-23 08:01:20.000000000 +0200
@@ -912,24 +912,27 @@
}
-static __inline ALfloat aluF2F(ALfloat val)
-{ return val; }
-static __inline ALint aluF2I(ALfloat val)
+static __inline ALint aluF2I25(ALfloat val)
{
/* Clamp the value between -1 and +1. This handles that without branching. */
val = val+1.0f - fabsf(val-1.0f);
val = (val-2.0f + fabsf(val+2.0f)) * 0.25f;
- /* Convert to a signed integer, between -2147483647 and +2147483647. */
- return fastf2i((ALfloat)(val*2147483647.0));
+ /* Convert to a signed integer, between -16777215 and +16777215. */
+ return fastf2i(val*16777215.0f);
}
+
+static __inline ALfloat aluF2F(ALfloat val)
+{ return val; }
+static __inline ALint aluF2I(ALfloat val)
+{ return aluF2I25(val)<<7; }
static __inline ALuint aluF2UI(ALfloat val)
{ return aluF2I(val)+2147483648u; }
static __inline ALshort aluF2S(ALfloat val)
-{ return aluF2I(val)>>16; }
+{ return aluF2I(val)>>9; }
static __inline ALushort aluF2US(ALfloat val)
{ return aluF2S(val)+32768; }
static __inline ALbyte aluF2B(ALfloat val)
-{ return aluF2I(val)>>24; }
+{ return aluF2I(val)>>17; }
static __inline ALubyte aluF2UB(ALfloat val)
{ return aluF2B(val)+128; }