From dc57762cb43619f91fd2a5d95510fa3b14cfeaaf Mon Sep 17 00:00:00 2001 From: Alan Kelly Date: Thu, 1 Apr 2021 12:00:16 +0200 Subject: [PATCH] libswscale/x86/swscale: Only call ff_yuv2yuvX functions if the input size is > 0 Signed-off-by: Michael Niedermayer --- libswscale/x86/swscale.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/libswscale/x86/swscale.c b/libswscale/x86/swscale.c index cc9e8b0155..0848a31461 100644 --- a/libswscale/x86/swscale.c +++ b/libswscale/x86/swscale.c @@ -197,7 +197,8 @@ static void yuv2yuvX_ ##opt(const int16_t *filter, int filterSize, \ const int16_t **src, uint8_t *dest, int dstW, \ const uint8_t *dither, int offset) \ { \ - ff_yuv2yuvX_ ##opt(filter, filterSize - 1, 0, dest - offset, dstW + offset, dither, offset); \ + if(dstW > 0) \ + ff_yuv2yuvX_ ##opt(filter, filterSize - 1, 0, dest - offset, dstW + offset, dither, offset); \ return; \ } @@ -215,7 +216,8 @@ static void yuv2yuvX_ ##opt(const int16_t *filter, int filterSize, \ yuv2yuvX_mmx(filter, filterSize, src, dest, dstW, dither, offset); \ return; \ } \ - ff_yuv2yuvX_ ##opt(filter, filterSize - 1, 0, dest - offset, pixelsProcessed + offset, dither, offset); \ + if(pixelsProcessed > 0) \ + ff_yuv2yuvX_ ##opt(filter, filterSize - 1, 0, dest - offset, pixelsProcessed + offset, dither, offset); \ if(remainder > 0){ \ ff_yuv2yuvX_mmx(filter, filterSize - 1, pixelsProcessed, dest - offset, pixelsProcessed + remainder + offset, dither, offset); \ } \