v01

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

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+/* This file is part of the Pangolin Project.
+ * http://github.com/stevenlovegrove/Pangolin
+ *
+ * Copyright (c) 2015 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/utils/timer.h>
+#include <pangolin/video/video.h>
+
+#include <TeliCamApi.h>
+
+namespace pangolin
+{
+
+// Video class that outputs test video signal.
+class PANGOLIN_EXPORT TeliVideo : public VideoInterface, public VideoPropertiesInterface,
+        public BufferAwareVideoInterface, public GenicamVideoInterface
+{
+public:
+    TeliVideo(const Params &p);
+    ~TeliVideo();
+
+    Params OpenCameraAndGetRemainingParameters(Params &params);
+    
+    //! 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 );
+
+    inline Teli::CAM_HANDLE GetCameraHandle() {
+        return cam;
+    }
+
+    inline Teli::CAM_STRM_HANDLE GetCameraStreamHandle() {
+        return strm;
+    }
+
+    bool GetParameter(const std::string& name, std::string& result);
+
+    bool SetParameter(const std::string& name, const std::string& value);
+
+    //! Returns number of available frames
+    uint32_t AvailableFrames() const;
+
+    //! Drops N frames in the queue starting from the oldest
+    //! returns false if less than n frames arae available
+    bool DropNFrames(uint32_t n);
+
+    //! Access JSON properties of device
+    const picojson::value& DeviceProperties() const;
+
+    //! Access JSON properties of most recently captured frame
+    const picojson::value& FrameProperties() const;
+
+    void PopulateEstimatedCenterCaptureTime(pangolin::basetime host_reception_time);
+
+protected:
+    void Initialise();
+    void InitPangoDeviceProperties();
+    void SetDeviceParams(const Params &p);
+    void SetNodeValStr(Teli::CAM_HANDLE cam, Teli::CAM_NODE_HANDLE node, std::string node_str, std::string val_str);
+
+    std::vector<StreamInfo> streams;
+    size_t size_bytes;
+
+    Teli::CAM_HANDLE cam;
+    Teli::CAM_STRM_HANDLE strm;
+
+#ifdef _WIN_
+    HANDLE hStrmCmpEvt;
+#endif
+#ifdef _LINUX_
+    Teli::SIGNAL_HANDLE hStrmCmpEvt;
+#endif
+    double transfer_bandwidth_gbps;
+    int exposure_us;
+    picojson::value device_properties;
+    picojson::value frame_properties;
+};
+
+}