Author: randy Date: 2005-11-18 08:12:42 -0700 (Fri, 18 Nov 2005) New Revision: 1266
Added: trunk/libvorbis/ trunk/libvorbis/libvorbis-1.1.1-gcc4-1.patch Log: Added libvorbis GCC4 patch Added: trunk/libvorbis/libvorbis-1.1.1-gcc4-1.patch =================================================================== --- trunk/libvorbis/libvorbis-1.1.1-gcc4-1.patch 2005-11-18 06:56:02 UTC (rev 1265) +++ trunk/libvorbis/libvorbis-1.1.1-gcc4-1.patch 2005-11-18 15:12:42 UTC (rev 1266) @@ -0,0 +1,60 @@ +Submitted By: Steffen Knollmann <sknolli at astro.physik.uni-goettingen.de> +Date: 2005-11-09 +Initial Package Version: 1.1.1 +Upstream Status: From Upstream +Origin: msmith, courtesy of upstream SVN +Description: Fixes an optimization problem with gcc-4.0.x that results in + dysfunctional library that will produce bigger encoded files + with a poor audio quality. Detailed description at: + http://trac.xiph.org/cgi-bin/trac.cgi/ticket/583 + +$LastChangedBy$ +$Date$ + + +--- libvorbis-1.1.1/lib/scales.h (revision 9958) ++++ libvorbis-1.1.1/lib/scales.h (revision 9959) +@@ -26,20 +26,24 @@ + #ifdef VORBIS_IEEE_FLOAT32 + + static float unitnorm(float x){ +- ogg_uint32_t *ix=(ogg_uint32_t *)&x; +- *ix=(*ix&0x80000000UL)|(0x3f800000UL); +- return(x); +-} +- +-static float FABS(float *x){ +- ogg_uint32_t *ix=(ogg_uint32_t *)x; +- *ix&=0x7fffffffUL; +- return(*x); ++ union { ++ ogg_uint32_t i; ++ float f; ++ } ix; ++ ix.f = x; ++ ix.i = (ix.i & 0x80000000U) | (0x3f800000U); ++ return ix.f; + } + + /* Segher was off (too high) by ~ .3 decibel. Center the conversion correctly. */ + static float todB(const float *x){ +- return (float)((*(ogg_int32_t *)x)&0x7fffffff) * 7.17711438e-7f -764.6161886f; ++ union { ++ ogg_uint32_t i; ++ float f; ++ } ix; ++ ix.f = *x; ++ ix.i = ix.i&0x7fffffff; ++ return (float)(ix.i * 7.17711438e-7f -764.6161886f); + } + + #define todB_nn(x) todB(x) +@@ -51,8 +55,6 @@ + return(1.f); + } + +-#define FABS(x) fabs(*(x)) +- + #define todB(x) (*(x)==0?-400.f:log(*(x)**(x))*4.34294480f) + #define todB_nn(x) (*(x)==0.f?-400.f:log(*(x))*8.6858896f) + Property changes on: trunk/libvorbis/libvorbis-1.1.1-gcc4-1.patch ___________________________________________________________________ Name: svn:keywords + LastChangedBy Date -- http://linuxfromscratch.org/mailman/listinfo/patches FAQ: http://www.linuxfromscratch.org/faq/ Unsubscribe: See the above information page
