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samples: check for valid input in gpu/super_resolution.cpp

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This commit is contained in:
berak 2017-12-22 12:34:25 +01:00
parent b1ed8bc0d1
commit ddbd074678
1 changed files with 3 additions and 3 deletions
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6
samples/gpu/super_resolution.cpp
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@ -55,7 +55,7 @@ static Ptr<cv::superres::DenseOpticalFlowExt> createOptFlow(const string& name,
int main(int argc, const char* argv[])
{
CommandLineParser cmd(argc, argv,
"{ v video | | Input video }"
"{ v video | | Input video (mandatory)}"
"{ o output | | Output video }"
"{ s scale | 4 | Scale factor }"
"{ i iterations | 180 | Iteration count }"
@ -65,14 +65,14 @@ int main(int argc, const char* argv[])
"{ h help | false | Print help message }"
);
if (cmd.get<bool>("help"))
const string inputVideoName = cmd.get<string>("video");
if (cmd.get<bool>("help") || inputVideoName.empty())
{
cout << "This sample demonstrates Super Resolution algorithms for video sequence" << endl;
cmd.printMessage();
return EXIT_SUCCESS;
}
const string inputVideoName = cmd.get<string>("video");
const string outputVideoName = cmd.get<string>("output");
const int scale = cmd.get<int>("scale");
const int iterations = cmd.get<int>("iterations");