fix medianBlur accessviolation

medianBlur called with "empty" source and ksize >= 7 crashes application with accessviolation. With this extra assert this is avoided and the application may normally catch the thrown exception.
8 years ago · 5169c79978
parent dcbed8d676
commit 5169c79978
1 changed files with 1 additions and 1 deletions
--- a/modules/imgproc/src/smooth.cpp
+++ b/modules/imgproc/src/smooth.cpp
@ -3494,7 +3494,7 @@ void cv::medianBlur( InputArray _src0, OutputArray _dst, int ksize )

    CV_Assert( (ksize % 2 == 1) && (_src0.dims() <= 2 ));

-    if( ksize <= 1 )
+    if( ksize <= 1 || _src0.empty() )
    {
        _src0.copyTo(_dst);
        return;