v01

thirdparty/Pangolin/tools/VideoJson/main-print.cpp

@@ -0,0 +1,36 @@
+#include <pangolin/pangolin.h>
+
+#include <pangolin/log/packetstream_reader.h>
+#include <pangolin/log/packetstream_writer.h>
+#include <pangolin/video/video.h>
+
+int main( int argc, char* argv[] )
+{
+    if( argc == 2) {
+        const std::string filename = std::string(argv[1]);
+        pangolin::PacketStreamReader reader(filename);
+
+        // Extract JSON
+        picojson::value all_properties;
+
+        for(size_t i=0; i < reader.Sources().size(); ++i) {
+            picojson::value source_props;
+
+            const pangolin::PacketStreamSource& src = reader.Sources()[i];
+            source_props["device_properties"] = src.info["device"];
+
+            // Seek through index, loading frame properties
+            for(size_t framenum=0; framenum < src.index.size(); ++framenum) {
+                reader.Seek(src.id, framenum);
+                pangolin::Packet pkt = reader.NextFrame();
+                source_props["frame_properties"].push_back(pkt.meta);
+            }
+
+            all_properties.push_back(source_props);
+        }
+
+        std::cout << all_properties.serialize(true) << std::endl;
+    }else{
+        std::cout << "Usage: \n\tPangoJsonPrint filename.pango" << std::endl;
+    }
+}