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videoio(dshow): add NULL ptr check

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This commit is contained in:
Alexander Alekhin 2021-04-01 11:28:41 +00:00
parent 5340dc6686
commit d7cb2ea210
1 changed files with 1 additions and 0 deletions
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modules/videoio/src/cap_dshow.cpp
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@ -2731,6 +2731,7 @@ int videoInput::start(int deviceID, videoDevice *VD){
}
VIDEOINFOHEADER *pVih = reinterpret_cast<VIDEOINFOHEADER*>(VD->pAmMediaType->pbFormat);
CV_Assert(pVih);
int currentWidth = HEADER(pVih)->biWidth;
int currentHeight = HEADER(pVih)->biHeight;