[libav-devel] [PATCH 3/3] swscale: don't use alpha if not available when doing bilinear vscale to ARGB.

[Ronald S. Bultje]

Otherwise it crashes.
---
 libswscale/x86/swscale_template.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/libswscale/x86/swscale_template.c 
b/libswscale/x86/swscale_template.c
index 642dedf..de0e4ab 100644
--- a/libswscale/x86/swscale_template.c
+++ b/libswscale/x86/swscale_template.c
@@ -981,10 +981,10 @@ static void RENAME(yuv2rgb32_2)(SwsContext *c, const 
int16_t *buf[2],
                                 int dstW, int yalpha, int uvalpha, int y)
 {
     const int16_t *buf0  = buf[0],  *buf1  = buf[1],
-                  *ubuf0 = ubuf[0], *ubuf1 = ubuf[1],
-                  *abuf0 = abuf[0], *abuf1 = abuf[1];
+                  *ubuf0 = ubuf[0], *ubuf1 = ubuf[1];
 
     if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf) {
+        const int16_t *abuf0 = abuf[0], *abuf1 = abuf[1];
 #if ARCH_X86_64
         __asm__ volatile(
             YSCALEYUV2RGB(%%r8, %5)
-- 
1.7.2.1

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