Fixed MSMF video capture initialization

Applied in PR3251 to 2.4 branch.

Fixed MSMF video capture initialization
Applied in PR3251 to 2.4 branch.
7c00b170 · Artur Wieczorek · 25cf5163 · 7c00b170
Commit 7c00b170 authored Sep 25, 2014 by Artur Wieczorek
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cap_msmf.cpp modules/videoio/src/cap_msmf.cpp +1 -1

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--- a/modules/videoio/src/cap_msmf.cpp
+++ b/modules/videoio/src/cap_msmf.cpp
@@ -2459,7 +2459,7 @@ int videoDevice::findType(unsigned int size, unsigned int frameRate)
    fmt = vd_CaptureFormats.find(size);
    if( fmt != vd_CaptureFormats.end() )
        FRM = fmt->second;
-    else
+    else if( !vd_CaptureFormats.empty() )
        FRM = vd_CaptureFormats.rbegin()->second;

    if( FRM.empty() )