mirror of https://github.com/opencv/opencv.git
Open Source Computer Vision Library
https://opencv.org/
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
100 lines
4.1 KiB
100 lines
4.1 KiB
/*M/////////////////////////////////////////////////////////////////////////////////////// |
|
// |
|
// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING. |
|
// |
|
// By downloading, copying, installing or using the software you agree to this license. |
|
// If you do not agree to this license, do not download, install, |
|
// copy or use the software. |
|
// |
|
// |
|
// License Agreement |
|
// For Open Source Computer Vision Library |
|
// |
|
// Copyright (C) 2000-2008, Intel Corporation, all rights reserved. |
|
// Copyright (C) 2009, Willow Garage Inc., all rights reserved. |
|
// Third party copyrights are property of their respective owners. |
|
// |
|
// Redistribution and use in source and binary forms, with or without modification, |
|
// are permitted provided that the following conditions are met: |
|
// |
|
// * Redistribution's of source code must retain the above copyright notice, |
|
// this list of conditions and the following disclaimer. |
|
// |
|
// * Redistribution's in binary form must reproduce the above copyright notice, |
|
// this list of conditions and the following disclaimer in the documentation |
|
// and/or other materials provided with the distribution. |
|
// |
|
// * The name of the copyright holders may not be used to endorse or promote products |
|
// derived from this software without specific prior written permission. |
|
// |
|
// This software is provided by the copyright holders and contributors "as is" and |
|
// any express or implied warranties, including, but not limited to, the implied |
|
// warranties of merchantability and fitness for a particular purpose are disclaimed. |
|
// In no event shall the Intel Corporation or contributors be liable for any direct, |
|
// indirect, incidental, special, exemplary, or consequential damages |
|
// (including, but not limited to, procurement of substitute goods or services; |
|
// loss of use, data, or profits; or business interruption) however caused |
|
// and on any theory of liability, whether in contract, strict liability, |
|
// or tort (including negligence or otherwise) arising in any way out of |
|
// the use of this software, even if advised of the possibility of such damage. |
|
// |
|
//M*/ |
|
|
|
#ifndef __VIDEO_PARSER_H__ |
|
#define __VIDEO_PARSER_H__ |
|
|
|
#include "precomp.hpp" |
|
|
|
#include "frame_queue.h" |
|
#include "video_decoder.h" |
|
|
|
#if defined(HAVE_CUDA) && !defined(__APPLE__) |
|
|
|
namespace cv { namespace gpu |
|
{ |
|
namespace detail |
|
{ |
|
class VideoParser |
|
{ |
|
public: |
|
VideoParser(VideoDecoder* videoDecoder, FrameQueue* frameQueue); |
|
|
|
~VideoParser() |
|
{ |
|
cuvidDestroyVideoParser(parser_); |
|
} |
|
|
|
bool parseVideoData(const unsigned char* data, size_t size, bool endOfStream); |
|
|
|
bool hasError() const { return hasError_; } |
|
|
|
private: |
|
VideoParser(const VideoParser&); |
|
VideoParser& operator =(const VideoParser&); |
|
|
|
VideoDecoder* videoDecoder_; |
|
FrameQueue* frameQueue_; |
|
CUvideoparser parser_; |
|
int unparsedPackets_; |
|
volatile bool hasError_; |
|
|
|
// Called when the decoder encounters a video format change (or initial sequence header) |
|
// This particular implementation of the callback returns 0 in case the video format changes |
|
// to something different than the original format. Returning 0 causes a stop of the app. |
|
static int CUDAAPI HandleVideoSequence(void* pUserData, CUVIDEOFORMAT* pFormat); |
|
|
|
// Called by the video parser to decode a single picture |
|
// Since the parser will deliver data as fast as it can, we need to make sure that the picture |
|
// index we're attempting to use for decode is no longer used for display |
|
static int CUDAAPI HandlePictureDecode(void* pUserData, CUVIDPICPARAMS* pPicParams); |
|
|
|
// Called by the video parser to display a video frame (in the case of field pictures, there may be |
|
// 2 decode calls per 1 display call, since two fields make up one frame) |
|
static int CUDAAPI HandlePictureDisplay(void* pUserData, CUVIDPARSERDISPINFO* pPicParams); |
|
}; |
|
} |
|
}} |
|
|
|
#endif // HAVE_CUDA |
|
|
|
#endif // __VIDEO_PARSER_H__
|
|
|