generic-library/opencv
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print on error

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This commit is contained in:
Gary Bradski 2010-12-01 01:42:11 +00:00
parent 4c95848cc7
commit 8cf6b56fe9
1 changed files with 2 additions and 1 deletions
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3
samples/cpp/starter_video.cpp
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@ -61,7 +61,8 @@ int main(int ac, char** av) {
if (!capture.isOpened()) //if this fails, try to open as a video camera, through the use of an integer param if (!capture.isOpened()) //if this fails, try to open as a video camera, through the use of an integer param
capture.open(atoi(arg.c_str())); capture.open(atoi(arg.c_str()));
if (!capture.isOpened()) { if (!capture.isOpened()) {
cerr << "Failed to open a video device or video file!" << endl; cerr << "Failed to open a video device or video file!\n" << endl;
help(av);
return 1; return 1;
} }
return process(capture); return process(capture);