Fix a possible crash on 64 bit systems when the lumSrcPtr or chrSrcPtr

[ffmpeg] / libswscale / swscale_template.c

diff --git a/libswscale/swscale_template.c b/libswscale/swscale_template.c
index ae16bc007ac60699657126838d6e71e51ca43e6d..ad46be12731eced24db8f0e5d9e4f32f9bc9b16f 100644 (file)
--- a/libswscale/swscale_template.c
+++ b/libswscale/swscale_template.c
@@ -3169,6 +3169,7 @@ i--;
                for(i=0; i<vLumFilterSize; i++)
                {
                        lumMmxFilter[4*i+0]= (int32_t)lumSrcPtr[i];
+                       lumMmxFilter[4*i+1]= (uint64_t)lumSrcPtr[i] >> 32;
                        lumMmxFilter[4*i+2]= 
                        lumMmxFilter[4*i+3]= 
                                ((uint16_t)vLumFilter[dstY*vLumFilterSize + i])*0x10001;
@@ -3176,6 +3177,7 @@ i--;
                for(i=0; i<vChrFilterSize; i++)
                {
                        chrMmxFilter[4*i+0]= (int32_t)chrSrcPtr[i];
+                       chrMmxFilter[4*i+1]= (uint64_t)chrSrcPtr[i] >> 32;
                        chrMmxFilter[4*i+2]= 
                        chrMmxFilter[4*i+3]= 
                                ((uint16_t)vChrFilter[chrDstY*vChrFilterSize + i])*0x10001;