Panda3D
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00001 // Filename: webcamVideoOpenCV.cxx 00002 // Created by: drose (20Oct10) 00003 // 00004 //////////////////////////////////////////////////////////////////// 00005 // 00006 // PANDA 3D SOFTWARE 00007 // Copyright (c) Carnegie Mellon University. All rights reserved. 00008 // 00009 // All use of this software is subject to the terms of the revised BSD 00010 // license. You should have received a copy of this license along 00011 // with this source code in a file named "LICENSE." 00012 // 00013 //////////////////////////////////////////////////////////////////// 00014 00015 #include "webcamVideoOpenCV.h" 00016 00017 #ifdef HAVE_OPENCV 00018 00019 #include "webcamVideoCursorOpenCV.h" 00020 #include "configVariableInt.h" 00021 00022 TypeHandle WebcamVideoOpenCV::_type_handle; 00023 00024 //////////////////////////////////////////////////////////////////// 00025 // Function: find_all_webcams_opencv 00026 // Access: Public, Static 00027 // Description: Finds all OpenCV webcams and adds them to the global 00028 // list _all_webcams. 00029 //////////////////////////////////////////////////////////////////// 00030 void 00031 find_all_webcams_opencv() { 00032 // OpenCV doesn't really provide a way to enumerate cameras. We ask 00033 // the user to do this via a config variable. 00034 static ConfigVariableInt wemcam_opencv_camera_index 00035 ("webcam-opencv-camera-index", "0", 00036 PRC_DESC("Specify the space-separated list of integer camera index " 00037 "numbers that are assumed to be available via OpenCV to the " 00038 "WebcamVideo interface. The default camera index is 0. " 00039 "Specify empty string if there are no available cameras.")); 00040 for (int i = 0; i < wemcam_opencv_camera_index.get_num_words(); ++i) { 00041 PT(WebcamVideo) wc = new WebcamVideoOpenCV(wemcam_opencv_camera_index[i]); 00042 WebcamVideoOpenCV::_all_webcams.push_back(wc); 00043 } 00044 } 00045 00046 //////////////////////////////////////////////////////////////////// 00047 // Function: WebcamVideoOpenCV::Constructor 00048 // Access: Published, Virtual 00049 // Description: 00050 //////////////////////////////////////////////////////////////////// 00051 WebcamVideoOpenCV:: 00052 WebcamVideoOpenCV(int camera_index) : 00053 _camera_index(camera_index) 00054 { 00055 ostringstream strm; 00056 strm << "OpenCV webcam " << _camera_index; 00057 set_name(strm.str()); 00058 } 00059 00060 //////////////////////////////////////////////////////////////////// 00061 // Function: WebcamVideoOpenCV::open 00062 // Access: Published, Virtual 00063 // Description: Open this video, returning a MovieVideoCursor. 00064 //////////////////////////////////////////////////////////////////// 00065 PT(MovieVideoCursor) WebcamVideoOpenCV:: 00066 open() { 00067 return new WebcamVideoCursorOpenCV(this); 00068 } 00069 00070 #endif