v01

thirdparty/Pangolin/include/pangolin/video/drivers/pvn.h

@@ -0,0 +1,77 @@
+/* This file is part of the Pangolin Project.
+ * http://github.com/stevenlovegrove/Pangolin
+ *
+ * Copyright (c) 2011 Steven Lovegrove
+ *
+ * Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated documentation
+ * files (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use,
+ * copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following
+ * conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+ * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+ * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#pragma once
+
+#include <pangolin/pangolin.h>
+#include <pangolin/video/video.h>
+#include <pangolin/utils/timer.h>
+
+#include <fstream>
+
+namespace pangolin
+{
+
+class PANGOLIN_EXPORT PvnVideo : public VideoInterface
+{
+public:
+    PvnVideo(const std::string& filename, bool realtime = false);
+    ~PvnVideo();
+    
+    //! Implement VideoInput::Start()
+    void Start();
+    
+    //! Implement VideoInput::Stop()
+    void Stop();
+
+    //! Implement VideoInput::SizeBytes()
+    size_t SizeBytes() const;
+
+    //! Implement VideoInput::Streams()
+    const std::vector<StreamInfo>& Streams() const;
+    
+    //! Implement VideoInput::GrabNext()
+    bool GrabNext( unsigned char* image, bool wait = true );
+    
+    //! Implement VideoInput::GrabNewest()
+    bool GrabNewest( unsigned char* image, bool wait = true );
+    
+protected:
+    int frames;
+    std::ifstream file;
+
+    std::vector<StreamInfo> streams;
+    size_t frame_size_bytes;
+    
+    bool realtime;
+    pangolin::basetime frame_interval;
+    pangolin::basetime last_frame;
+    
+    void ReadFileHeader();
+};
+
+}