[FFmpeg-cvslog] r10261 - trunk/libavcodec/i386/snowdsp_mmx.c

reimar subversion
Thu Aug 30 13:41:59 CEST 2007


Author: reimar
Date: Thu Aug 30 13:41:58 2007
New Revision: 10261

Log:
Replace complicated and currently broken manual alignment code by
DECLARE_ALIGNED_16. Fixes crash in ff_snow_horizontal_compose97i_sse2


Modified:
   trunk/libavcodec/i386/snowdsp_mmx.c

Modified: trunk/libavcodec/i386/snowdsp_mmx.c
==============================================================================
--- trunk/libavcodec/i386/snowdsp_mmx.c	(original)
+++ trunk/libavcodec/i386/snowdsp_mmx.c	Thu Aug 30 13:41:58 2007
@@ -25,9 +25,7 @@
 
 void ff_snow_horizontal_compose97i_sse2(IDWTELEM *b, int width){
     const int w2= (width+1)>>1;
-    // SSE2 code runs faster with pointers aligned on a 32-byte boundary.
-    IDWTELEM temp_buf[(width>>1) + 4];
-    IDWTELEM * const temp = temp_buf + 4 - (((int)temp_buf & 0xF) >> 2);
+    DECLARE_ALIGNED_16(IDWTELEM, temp[width>>1]);
     const int w_l= (width>>1);
     const int w_r= w2 - 1;
     int i;




More information about the ffmpeg-cvslog mailing list