[xiph-commits] r3829 - liboggplay/trunk/src/liboggplay

[oggk at svn.annodex.net]

Author: oggk
Date: 2008-12-15 12:14:15 -0800 (Mon, 15 Dec 2008)
New Revision: 3829

Modified:
   liboggplay/trunk/src/liboggplay/oggplay_yuv2rgb.c
Log:
do not trash the buffer pointer, it's not nice to others who might
 want to use it after you.



Modified: liboggplay/trunk/src/liboggplay/oggplay_yuv2rgb.c
===================================================================
--- liboggplay/trunk/src/liboggplay/oggplay_yuv2rgb.c	2008-12-15 18:53:44 UTC (rev 3828)
+++ liboggplay/trunk/src/liboggplay/oggplay_yuv2rgb.c	2008-12-15 20:14:15 UTC (rev 3829)
@@ -73,6 +73,7 @@
   unsigned char   * restrict ptry;
   unsigned char   * restrict ptru;
   unsigned char   * restrict ptrv;
+  unsigned char   * ptro;
 
   register __m64    *y, *o;
   register __m64    zero, ut, vt, imm, imm2;
@@ -81,14 +82,15 @@
 
   zero = _mm_setzero_si64();
 
+  ptro = rgb->ptro;
   ptry = yuv->ptry;
   ptru = yuv->ptru;
   ptrv = yuv->ptrv;
 
   for (i = 0; i < yuv->y_height; i++) {
     int j;
-    o = (__m64*)rgb->ptro;
-    rgb->ptro += rgb->rgb_width * 4;
+    o = (__m64*)ptro;
+    ptro += rgb->rgb_width * 4;
     for (j = 0; j < yuv->y_width; j += 8) {
 
       y = (__m64*)&ptry[j];
@@ -203,6 +205,7 @@
   unsigned char   * restrict ptry;
   unsigned char   * restrict ptru;
   unsigned char   * restrict ptrv;
+  unsigned char   * ptro;
 
   register __m64    *y, *o;
   register __m64    zero, ut, vt, imm, imm2;
@@ -214,11 +217,12 @@
   ptry = yuv->ptry;
   ptru = yuv->ptru;
   ptrv = yuv->ptrv;
+  ptro = rgb->ptro;
 
   for (i = 0; i < yuv->y_height; i++) {
     int j;
-    o = (__m64*)rgb->ptro;
-    rgb->ptro += rgb->rgb_width * 4;
+    o = (__m64*)ptro;
+    ptro += rgb->rgb_width * 4;
     for (j = 0; j < yuv->y_width; j += 8) {
 
       y = (__m64*)&ptry[j];