122 lines
3.8 KiB
C++
122 lines
3.8 KiB
C++
/* 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) 2013 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/image/image_io.h>
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#include <pangolin/pangolin.h>
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#include <pangolin/video/video.h>
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#include <deque>
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#include <vector>
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namespace pangolin
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{
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// Video class that outputs test video signal.
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class PANGOLIN_EXPORT ImagesVideo : public VideoInterface, public VideoPlaybackInterface, public VideoPropertiesInterface
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{
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public:
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ImagesVideo(const std::string& wildcard_path);
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ImagesVideo(const std::string& wildcard_path, const PixelFormat& raw_fmt, size_t raw_width, size_t raw_height);
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// Explicitly delete copy ctor and assignment operator.
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// See http://stackoverflow.com/questions/29565299/how-to-use-a-vector-of-unique-pointers-in-a-dll-exported-class-with-visual-studi
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// >> It appears adding __declspec(dllexport) forces the compiler to define the implicitly-declared copy constructor and copy assignment operator
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ImagesVideo(const ImagesVideo&) = delete;
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ImagesVideo& operator=(const ImagesVideo&) = delete;
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~ImagesVideo();
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///////////////////////////////////
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// Implement VideoInterface
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void Start() override;
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void Stop() override;
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size_t SizeBytes() const override;
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const std::vector<StreamInfo>& Streams() const override;
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bool GrabNext( unsigned char* image, bool wait = true ) override;
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bool GrabNewest( unsigned char* image, bool wait = true ) override;
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///////////////////////////////////
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// Implement VideoPlaybackInterface
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size_t GetCurrentFrameId() const override;
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size_t GetTotalFrames() const override;
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size_t Seek(size_t frameid) override;
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///////////////////////////////////
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// Implement VideoPropertiesInterface
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const picojson::value& DeviceProperties() const override;
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const picojson::value& FrameProperties() const override;
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protected:
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typedef std::vector<TypedImage> Frame;
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const std::string& Filename(size_t frameNum, size_t channelNum) {
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return filenames[channelNum][frameNum];
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}
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void PopulateFilenames(const std::string& wildcard_path);
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void PopulateFilenamesFromJson(const std::string& filename);
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bool LoadFrame(size_t i);
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void ConfigureStreamSizes();
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std::vector<StreamInfo> streams;
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size_t size_bytes;
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size_t num_files;
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size_t num_channels;
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size_t next_frame_id;
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std::vector<std::vector<std::string> > filenames;
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std::vector<Frame> loaded;
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bool unknowns_are_raw;
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PixelFormat raw_fmt;
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size_t raw_width;
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size_t raw_height;
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// Load any json properties if they are defined
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picojson::value device_properties;
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picojson::value json_frames;
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picojson::value null_props;
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};
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}
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