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 __CUVID_VIDEO_SOURCE_HPP__ 45 #define __CUVID_VIDEO_SOURCE_HPP__ 46 47 #include <nvcuvid.h> 48 49 #include "opencv2/core/private.cuda.hpp" 50 #include "opencv2/cudacodec.hpp" 51 #include "video_source.hpp" 52 53 namespace cv { namespace cudacodec { namespace detail 54 { 55 56 class CuvidVideoSource : public VideoSource 57 { 58 public: 59 explicit CuvidVideoSource(const String& fname); 60 ~CuvidVideoSource(); 61 62 FormatInfo format() const; 63 void start(); 64 void stop(); 65 bool isStarted() const; 66 bool hasError() const; 67 68 private: 69 // Callback for handling packages of demuxed video data. 70 // 71 // Parameters: 72 // pUserData - Pointer to user data. We must pass a pointer to a 73 // VideoSourceData struct here, that contains a valid CUvideoparser 74 // and FrameQueue. 75 // pPacket - video-source data packet. 76 // 77 // NOTE: called from a different thread that doesn't not have a cuda context 78 // 79 static int CUDAAPI HandleVideoData(void* pUserData, CUVIDSOURCEDATAPACKET* pPacket); 80 81 CUvideosource videoSource_; 82 FormatInfo format_; 83 }; 84 85 }}} 86 87 #endif // __CUVID_VIDEO_SOURCE_HPP__ 88
