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samples: use findFile() in "cpp"

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This commit is contained in:
Alexander Alekhin
2018-10-31 15:48:56 +03:00
committed by Alexander Alekhin
parent 2fa9bd221d
commit c4c31f5bba
52 changed files with 359 additions and 286 deletions
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samples/cpp/laplace.cpp
+29 -22
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@@ -25,39 +25,46 @@ int smoothType = GAUSSIAN;
int main( int argc, char** argv )
{
VideoCapture cap;
cv::CommandLineParser parser(argc, argv, "{ c | 0 | }{ p | | }");
help();
if( parser.get<string>("c").size() == 1 && isdigit(parser.get<string>("c")[0]) )
VideoCapture cap;
string camera = parser.get<string>("c");
if (camera.size() == 1 && isdigit(camera[0]))
cap.open(parser.get<int>("c"));
else
cap.open(parser.get<string>("c"));
if( cap.isOpened() )
cout << "Video " << parser.get<string>("c") <<
": width=" << cap.get(CAP_PROP_FRAME_WIDTH) <<
", height=" << cap.get(CAP_PROP_FRAME_HEIGHT) <<
", nframes=" << cap.get(CAP_PROP_FRAME_COUNT) << endl;
if( parser.has("p") )
cap.open(samples::findFileOrKeep(camera));
if (!cap.isOpened())
{
int pos = parser.get<int>("p");
if (!parser.check())
{
parser.printErrors();
return -1;
}
cout << "seeking to frame #" << pos << endl;
cap.set(CAP_PROP_POS_FRAMES, pos);
cerr << "Can't open camera/video stream: " << camera << endl;
return 1;
}
if( !cap.isOpened() )
cout << "Video " << parser.get<string>("c") <<
": width=" << cap.get(CAP_PROP_FRAME_WIDTH) <<
", height=" << cap.get(CAP_PROP_FRAME_HEIGHT) <<
", nframes=" << cap.get(CAP_PROP_FRAME_COUNT) << endl;
int pos = 0;
if (parser.has("p"))
{
cout << "Could not initialize capturing...\n";
pos = parser.get<int>("p");
}
if (!parser.check())
{
parser.printErrors();
return -1;
}
namedWindow( "Laplacian", 0 );
createTrackbar( "Sigma", "Laplacian", &sigma, 15, 0 );
if (pos != 0)
{
cout << "seeking to frame #" << pos << endl;
if (!cap.set(CAP_PROP_POS_FRAMES, pos))
{
cerr << "ERROR: seekeing is not supported" << endl;
}
}
namedWindow("Laplacian", WINDOW_AUTOSIZE);
createTrackbar("Sigma", "Laplacian", &sigma, 15, 0);
Mat smoothed, laplace, result;