gscam.h
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00001 #ifndef __GSCAM_GSCAM_H
00002 #define __GSCAM_GSCAM_H
00003 
00004 extern "C"{
00005 #include <gst/gst.h>
00006 #include <gst/app/gstappsink.h>
00007 }
00008 
00009 #include <ros/ros.h>
00010 
00011 #include <image_transport/image_transport.h>
00012 #include <camera_info_manager/camera_info_manager.h>
00013 
00014 #include <sensor_msgs/Image.h>
00015 #include <sensor_msgs/CameraInfo.h>
00016 #include <sensor_msgs/SetCameraInfo.h>
00017 
00018 #include <stdexcept>
00019 
00020 namespace gscam {
00021 
00022   class GSCam {
00023   public:
00024     GSCam(ros::NodeHandle nh_camera, ros::NodeHandle nh_private);
00025     ~GSCam();
00026 
00027     bool configure();
00028     bool init_stream();
00029     void publish_stream();
00030     void cleanup_stream();
00031 
00032     void run();
00033 
00034   private:
00035     // General gstreamer configuration
00036     std::string gsconfig_;
00037 
00038     // Gstreamer structures
00039     GstElement *pipeline_;
00040     GstElement *sink_;
00041 
00042     // Appsink configuration
00043     bool sync_sink_;
00044     bool preroll_;
00045     bool reopen_on_eof_;
00046     bool use_gst_timestamps_;
00047 
00048     // Camera publisher configuration
00049     std::string frame_id_;
00050     int width_, height_;
00051     std::string image_encoding_;
00052     std::string camera_name_;
00053     std::string camera_info_url_;
00054 
00055     // ROS Inteface
00056     // Calibration between ros::Time and gst timestamps
00057     double time_offset_;
00058     ros::NodeHandle nh_, nh_private_;
00059     image_transport::ImageTransport image_transport_;
00060     camera_info_manager::CameraInfoManager camera_info_manager_;
00061     image_transport::CameraPublisher camera_pub_;
00062     // Case of a jpeg only publisher
00063     ros::Publisher jpeg_pub_;
00064     ros::Publisher cinfo_pub_;
00065   };
00066 
00067 }
00068 
00069 #endif // ifndef __GSCAM_GSCAM_H


gscam
Author(s): Jonathan Bohren , Graylin Trevor Jay , Christopher Crick
autogenerated on Wed Aug 26 2015 11:41:15