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samples: videocapture_camera use VideoCapture with 0 index

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Not all backends support -1 index.
This commit is contained in:
Alexander Alekhin 2018-07-03 15:44:53 +03:00
parent 117e97adac
commit 203f95d3be
1 changed files with 1 additions and 1 deletions
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2
samples/cpp/videocapture_camera.cpp
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@ -11,7 +11,7 @@ int main(int, char**)
{
Mat frame;
cout << "Opening camera..." << endl;
VideoCapture capture(-1); // open the first available camera
VideoCapture capture(0); // open the first camera
if (!capture.isOpened())
{
cerr << "ERROR: Can't initialize camera capture" << endl;