116 lines
3.5 KiB
C++
Executable File
116 lines
3.5 KiB
C++
Executable File
/* This file is part of the Pangolin Project.
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* http://github.com/stevenlovegrove/Pangolin
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*
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* Copyright (c) 2011 Steven Lovegrove
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use,
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* copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following
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* conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#pragma once
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#include <pangolin/pangolin.h>
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#include <pangolin/video/video.h>
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#include <pangolin/utils/timer.h>
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#ifdef _MSC_VER
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// Define missing timeval struct
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typedef struct timeval {
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long tv_sec;
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long tv_usec;
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} timeval;
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#endif // _MSC_VER
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#include <libuvc/libuvc.h>
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namespace pangolin
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{
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class PANGOLIN_EXPORT UvcVideo : public VideoInterface, public VideoUvcInterface, public VideoPropertiesInterface
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{
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public:
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UvcVideo(int vendor_id, int product_id, const char* sn, int deviceid, int width, int height, int fps);
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~UvcVideo();
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void InitDevice(int vid, int pid, const char* sn, int deviceid, int width, int height, int fps);
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void DeinitDevice();
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//! Implement VideoInput::Start()
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void Start();
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//! Implement VideoInput::Stop()
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void Stop();
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//! Implement VideoInput::SizeBytes()
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size_t SizeBytes() const;
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//! Implement VideoInput::Streams()
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const std::vector<StreamInfo>& Streams() const;
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//! Implement VideoInput::GrabNext()
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bool GrabNext( unsigned char* image, bool wait = true );
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//! Implement VideoInput::GrabNewest()
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bool GrabNewest( unsigned char* image, bool wait = true );
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//! Implement VideoUvcInterface::GetCtrl()
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int IoCtrl(uint8_t unit, uint8_t ctrl, unsigned char* data, int len, UvcRequestCode req_code);
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//! Implement VideoUvcInterface::GetExposure()
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bool GetExposure(int& exp_us);
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//! Implement VideoUvcInterface::SetExposure()
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bool SetExposure(int exp_us);
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//! Implement VideoUvcInterface::GetGain()
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bool GetGain(float& gain);
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//! Implement VideoUvcInterface::SetGain()
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bool SetGain(float gain);
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//! Access JSON properties of device
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const picojson::value& DeviceProperties() const;
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//! Access JSON properties of most recently captured frame
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const picojson::value& FrameProperties() const;
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protected:
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void InitPangoDeviceProperties();
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static uvc_error_t FindDevice(
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uvc_context_t *ctx, uvc_device_t **dev,
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int vid, int pid, const char *sn, int device_id);
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std::vector<StreamInfo> streams;
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size_t size_bytes;
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uvc_context* ctx_;
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uvc_device* dev_;
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uvc_device_handle* devh_;
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uvc_stream_handle* strm_;
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uvc_stream_ctrl_t ctrl_;
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uvc_frame_t* frame_;
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picojson::value device_properties;
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picojson::value frame_properties;
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bool is_streaming;
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};
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}
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