1 /*M/////////////////////////////////////////////////////////////////////////////////////// 2 // 3 // IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING. 4 // 5 // By downloading, copying, installing or using the software you agree to this license. 6 // If you do not agree to this license, do not download, install, 7 // copy or use the software. 8 // 9 // 10 // License Agreement 11 // For Open Source Computer Vision Library 12 // 13 // Copyright (C) 2000-2008, Intel Corporation, all rights reserved. 14 // Copyright (C) 2009, Willow Garage Inc., all rights reserved. 15 // Copyright (C) 2013, OpenCV Foundation, all rights reserved. 16 // Third party copyrights are property of their respective owners. 17 // 18 // Redistribution and use in source and binary forms, with or without modification, 19 // are permitted provided that the following conditions are met: 20 // 21 // * Redistribution's of source code must retain the above copyright notice, 22 // this list of conditions and the following disclaimer. 23 // 24 // * Redistribution's in binary form must reproduce the above copyright notice, 25 // this list of conditions and the following disclaimer in the documentation 26 // and/or other materials provided with the distribution. 27 // 28 // * The name of the copyright holders may not be used to endorse or promote products 29 // derived from this software without specific prior written permission. 30 // 31 // This software is provided by the copyright holders and contributors "as is" and 32 // any express or implied warranties, including, but not limited to, the implied 33 // warranties of merchantability and fitness for a particular purpose are disclaimed. 34 // In no event shall the Intel Corporation or contributors be liable for any direct, 35 // indirect, incidental, special, exemplary, or consequential damages 36 // (including, but not limited to, procurement of substitute goods or services; 37 // loss of use, data, or profits; or business interruption) however caused 38 // and on any theory of liability, whether in contract, strict liability, 39 // or tort (including negligence or otherwise) arising in any way out of 40 // the use of this software, even if advised of the possibility of such damage. 41 // 42 //M*/ 43 44 #ifndef __CUDACODEC_VIDEO_SOURCE_H__ 45 #define __CUDACODEC_VIDEO_SOURCE_H__ 46 47 #include "opencv2/core/private.cuda.hpp" 48 #include "opencv2/cudacodec.hpp" 49 #include "thread.hpp" 50 51 namespace cv { namespace cudacodec { namespace detail 52 { 53 54 class VideoParser; 55 56 class VideoSource 57 { 58 public: 59 virtual ~VideoSource() {} 60 61 virtual FormatInfo format() const = 0; 62 virtual void start() = 0; 63 virtual void stop() = 0; 64 virtual bool isStarted() const = 0; 65 virtual bool hasError() const = 0; 66 67 void setVideoParser(detail::VideoParser* videoParser) { videoParser_ = videoParser; } 68 69 protected: 70 bool parseVideoData(const uchar* data, size_t size, bool endOfStream = false); 71 72 private: 73 detail::VideoParser* videoParser_; 74 }; 75 76 class RawVideoSourceWrapper : public VideoSource 77 { 78 public: 79 RawVideoSourceWrapper(const Ptr<RawVideoSource>& source); 80 81 FormatInfo format() const; 82 void start(); 83 void stop(); 84 bool isStarted() const; 85 bool hasError() const; 86 87 private: 88 Ptr<RawVideoSource> source_; 89 90 Ptr<Thread> thread_; 91 volatile bool stop_; 92 volatile bool hasError_; 93 94 static void readLoop(void* userData); 95 }; 96 97 }}} 98 99 #endif // __CUDACODEC_VIDEO_SOURCE_H__ 100