72 lines
2.1 KiB
C++
72 lines
2.1 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/video/video.h>
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#include <vector>
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namespace pangolin
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{
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class PANGOLIN_EXPORT TruncateVideo
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: public VideoInterface, public VideoFilterInterface
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{
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public:
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TruncateVideo(std::unique_ptr<VideoInterface>& videoin, size_t begin, size_t end);
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~TruncateVideo();
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size_t SizeBytes() const;
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const std::vector<StreamInfo>& Streams() const;
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void Start();
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void Stop();
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bool GrabNext( unsigned char* image, bool wait = true );
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bool GrabNewest( unsigned char* image, bool wait = true );
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std::vector<VideoInterface*>& InputStreams();
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protected:
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std::unique_ptr<VideoInterface> src;
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std::vector<VideoInterface*> videoin;
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std::vector<StreamInfo> streams;
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size_t begin;
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size_t end;
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size_t next_frame_to_grab;
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inline VideoPlaybackInterface* GetVideoPlaybackInterface(){ return dynamic_cast<VideoPlaybackInterface*>(src.get()); }
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};
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}
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