Fixed assertion warning in MSMF frame grabber

Applied in PR3251 to 2.4 branch
11 years ago · 8f334b4e41
parent 7c00b17085
commit 8f334b4e41
1 changed files with 1 additions and 1 deletions
--- a/modules/videoio/src/cap_msmf.cpp
+++ b/modules/videoio/src/cap_msmf.cpp
@ -1471,7 +1471,6 @@ void ImageGrabber::stopGrabbing()

 HRESULT ImageGrabber::startGrabbing(void)
 {
-    _ComPtr<IMFMediaEvent> pEvent = NULL;
    PROPVARIANT var;
    PropVariantInit(&var);
    HRESULT hr = ig_pSession->SetTopology(0, ig_pTopology);
@ -1479,6 +1478,7 @@ HRESULT ImageGrabber::startGrabbing(void)
    hr = ig_pSession->Start(&GUID_NULL, &var);
    for(;;)
    {
+        _ComPtr<IMFMediaEvent> pEvent = NULL;
        HRESULT hrStatus = S_OK;
        MediaEventType met;
        if(!ig_pSession) break;