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Thirdparty/Pangolin/tools/VideoViewer/main.cpp

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+#include <pangolin/pangolin.h>
+#include <pangolin/tools/video_viewer.h>
+
+int main( int argc, char* argv[] )
+{
+    const std::string dflt_output_uri = "pango:[unique_filename]//video.pango";
+
+    if( argc > 1 ) {
+        const std::string input_uri = std::string(argv[1]);
+        const std::string output_uri = (argc > 2) ? std::string(argv[2]) : dflt_output_uri;
+        try{
+            pangolin::RunVideoViewerUI(input_uri, output_uri);
+        } catch (const pangolin::VideoException& e) {
+            std::cout << e.what() << std::endl;
+        }
+    }else{
+        const std::string input_uris[] = {
+            "dc1394:[fps=30,dma=10,size=640x480,iso=400]//0",
+            "convert:[fmt=RGB24]//v4l:///dev/video0",
+            "convert:[fmt=RGB24]//v4l:///dev/video1",
+            "openni:[img1=rgb]//",
+            "test:[size=160x120,n=1,fmt=RGB24]//"
+            ""
+        };
+
+        std::cout << "Usage  : VideoViewer [video-uri]" << std::endl << std::endl;
+        std::cout << "Where video-uri describes a stream or file resource, e.g." << std::endl;
+        std::cout << "\tfile:[realtime=1]///home/user/video/movie.pvn" << std::endl;
+        std::cout << "\tfile:///home/user/video/movie.avi" << std::endl;
+        std::cout << "\tfiles:///home/user/seqiemce/foo*.jpeg" << std::endl;
+        std::cout << "\tdc1394:[fmt=RGB24,size=640x480,fps=30,iso=400,dma=10]//0" << std::endl;
+        std::cout << "\tdc1394:[fmt=FORMAT7_1,size=640x480,pos=2+2,iso=400,dma=10]//0" << std::endl;
+        std::cout << "\tv4l:///dev/video0" << std::endl;
+        std::cout << "\tconvert:[fmt=RGB24]//v4l:///dev/video0" << std::endl;
+        std::cout << "\tmjpeg://http://127.0.0.1/?action=stream" << std::endl;
+        std::cout << "\topenni:[img1=rgb]//" << std::endl;
+        std::cout << std::endl;
+
+        // Try to open some video device
+        for(int i=0; !input_uris[i].empty(); ++i )
+        {
+            try{
+                pango_print_info("Trying: %s\n", input_uris[i].c_str());
+                pangolin::RunVideoViewerUI(input_uris[i], dflt_output_uri);
+                return 0;
+            }catch(const pangolin::VideoException&) { }
+        }
+    }
+
+    return 0;
+}