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add default file to load in case sample was run without command line arguments

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This commit is contained in:
Tzafrir
2015-01-06 16:13:46 +02:00
parent 28833421ae
commit 997dded1ac
5 changed files with 37 additions and 16 deletions
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19
samples/gpu/optical_flow.cpp
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@@ -135,23 +135,30 @@ static void showFlow(const char* name, const GpuMat& d_flowx, const GpuMat& d_fl
int main(int argc, const char* argv[])
{
string filename1, filename2;
if (argc < 3)
{
cerr << "Usage : " << argv[0] << "<frame0> <frame1>" << endl;
return -1;
cerr << "Usage : " << argv[0] << " <frame0> <frame1>" << endl;
filename1 = "../data/basketball1.png";
filename2 = "../data/basketball2.png";
}
else
{
filename1 = argv[1];
filename2 = argv[2];
}
Mat frame0 = imread(argv[1], IMREAD_GRAYSCALE);
Mat frame1 = imread(argv[2], IMREAD_GRAYSCALE);
Mat frame0 = imread(filename1, IMREAD_GRAYSCALE);
Mat frame1 = imread(filename2, IMREAD_GRAYSCALE);
if (frame0.empty())
{
cerr << "Can't open image [" << argv[1] << "]" << endl;
cerr << "Can't open image [" << filename1 << "]" << endl;
return -1;
}
if (frame1.empty())
{
cerr << "Can't open image [" << argv[2] << "]" << endl;
cerr << "Can't open image [" << filename2 << "]" << endl;
return -1;
}