mirror/opencv
1
0
Fork 0
mirror of https://github.com/opencv/opencv.git synced 2025-06-07 17:44:04 +08:00
Code Issues Actions Packages Projects Releases Wiki Activity

samples: videocapture_camera use VideoCapture with 0 index

Browse Source 
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
samples/cpp/videocapture_camera.cpp
View File

@ -11,7 +11,7 @@ int main(int, char**)
{ {
Mat frame; Mat frame;
cout << "Opening camera..." << endl; cout << "Opening camera..." << endl;
VideoCapture capture(-1); // open the first available camera VideoCapture capture(0); // open the first camera
if (!capture.isOpened()) if (!capture.isOpened())
{ {
cerr << "ERROR: Can't initialize camera capture" << endl; cerr << "ERROR: Can't initialize camera capture" << endl;