>From 0000bf9c48dc82dba81c522f9ce4f783b4e1a3fb Mon Sep 17 00:00:00 2001
From: Keiji Costantini <lists@strites.net>
Date: Wed, 11 Jun 2008 01:51:30 +0200
Subject: [PATCH] Split sws_getContext_altivec_alloc_context from sws_getContext

---
 swscale.c |   36 ++++++++++++++++++++----------------
 1 files changed, 20 insertions(+), 16 deletions(-)

diff --git a/swscale.c b/swscale.c
index 6e0bd38..04b60ca 100644
--- a/swscale.c
+++ b/swscale.c
@@ -1953,6 +1953,25 @@ static inline void sws_getContext_altivec_unscyv2packyuv(SwsContext *c, int *src
     }
 }
 
+static inline void sws_getContext_altivec_alloc_context(SwsContext *c) {
+    int i;
+    c->vYCoeffsBank = av_malloc(sizeof (vector signed short)*c->vLumFilterSize*c->dstH);
+    c->vCCoeffsBank = av_malloc(sizeof (vector signed short)*c->vChrFilterSize*c->chrDstH);
+
+    for (i=0;i<c->vLumFilterSize*c->dstH;i++) {
+        int j;
+        short *p = (short *)&c->vYCoeffsBank[i];
+        for (j=0;j<8;j++)
+            p[j] = c->vLumFilter[i];
+    }
+
+    for (i=0;i<c->vChrFilterSize)*c->chrDstH);i++) {
+        int j;
+        short *p = (short *)&c->vCCoeffsBank[i];
+        for (j=0;j<8;j++)
+            p[j] = c->vChrFilter[i];
+    }
+}
 
 SwsContext *sws_getContext(int srcW, int srcH, int srcFormat, int dstW, int dstH, int dstFormat, int flags,
                            SwsFilter *srcFilter, SwsFilter *dstFilter, double *param){
@@ -2260,22 +2279,7 @@ SwsContext *sws_getContext(int srcW, int srcH, int srcFormat, int dstW, int dstH
                    srcFilter->chrV, dstFilter->chrV, c->param);
 
 #ifdef HAVE_ALTIVEC
-        c->vYCoeffsBank = av_malloc(sizeof (vector signed short)*c->vLumFilterSize*c->dstH);
-        c->vCCoeffsBank = av_malloc(sizeof (vector signed short)*c->vChrFilterSize*c->chrDstH);
-
-        for (i=0;i<c->vLumFilterSize*c->dstH;i++) {
-            int j;
-            short *p = (short *)&c->vYCoeffsBank[i];
-            for (j=0;j<8;j++)
-                p[j] = c->vLumFilter[i];
-        }
-
-        for (i=0;i<c->vChrFilterSize*c->chrDstH;i++) {
-            int j;
-            short *p = (short *)&c->vCCoeffsBank[i];
-            for (j=0;j<8;j++)
-                p[j] = c->vChrFilter[i];
-        }
+    sws_getContext_altivec_alloc_context(c);
 #endif
     }
 
-- 
1.5.3.7