154 lines
5.5 KiB
C
154 lines
5.5 KiB
C
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/*M///////////////////////////////////////////////////////////////////////////////////////
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//
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// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
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//
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// By downloading, copying, installing or using the software you agree to this license.
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// If you do not agree to this license, do not download, install,
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// copy or use the software.
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//
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//
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// Intel License Agreement
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// For Open Source Computer Vision Library
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//
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// Copyright (C) 2000, Intel Corporation, all rights reserved.
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// Third party copyrights are property of their respective owners.
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//
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// Redistribution and use in source and binary forms, with or without modification,
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// are permitted provided that the following conditions are met:
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//
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// * Redistribution's of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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//
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// * Redistribution's in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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//
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// * The name of Intel Corporation may not be used to endorse or promote products
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// derived from this software without specific prior written permission.
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//
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// This software is provided by the copyright holders and contributors "as is" and
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// any express or implied warranties, including, but not limited to, the implied
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// warranties of merchantability and fitness for a particular purpose are disclaimed.
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// In no event shall the Intel Corporation or contributors be liable for any direct,
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// indirect, incidental, special, exemplary, or consequential damages
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// (including, but not limited to, procurement of substitute goods or services;
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// loss of use, data, or profits; or business interruption) however caused
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// and on any theory of liability, whether in contract, strict liability,
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// or tort (including negligence or otherwise) arising in any way out of
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// the use of this software, even if advised of the possibility of such damage.
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//
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//M*/
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#ifndef OPENCV_VIDEOIO_H
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#define OPENCV_VIDEOIO_H
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#include "opencv2/core/core_c.h"
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#include "opencv2/videoio/legacy/constants_c.h"
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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/**
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@addtogroup videoio_c
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@{
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*/
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/****************************************************************************************\
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* Working with Video Files and Cameras *
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\****************************************************************************************/
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/** @brief "black box" capture structure
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In C++ use cv::VideoCapture
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*/
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typedef struct CvCapture CvCapture;
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/** @brief start capturing frames from video file
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*/
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CVAPI(CvCapture*) cvCreateFileCapture( const char* filename );
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/** @brief start capturing frames from video file. allows specifying a preferred API to use
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*/
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CVAPI(CvCapture*) cvCreateFileCaptureWithPreference( const char* filename , int apiPreference);
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/** @brief start capturing frames from camera: index = camera_index + domain_offset (CV_CAP_*)
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*/
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CVAPI(CvCapture*) cvCreateCameraCapture( int index );
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/** @brief grab a frame, return 1 on success, 0 on fail.
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this function is thought to be fast
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*/
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CVAPI(int) cvGrabFrame( CvCapture* capture );
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/** @brief get the frame grabbed with cvGrabFrame(..)
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This function may apply some frame processing like
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frame decompression, flipping etc.
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@warning !!!DO NOT RELEASE or MODIFY the retrieved frame!!!
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*/
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CVAPI(IplImage*) cvRetrieveFrame( CvCapture* capture, int streamIdx CV_DEFAULT(0) );
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/** @brief Just a combination of cvGrabFrame and cvRetrieveFrame
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@warning !!!DO NOT RELEASE or MODIFY the retrieved frame!!!
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*/
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CVAPI(IplImage*) cvQueryFrame( CvCapture* capture );
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/** @brief stop capturing/reading and free resources
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*/
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CVAPI(void) cvReleaseCapture( CvCapture** capture );
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/** @brief retrieve capture properties
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*/
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CVAPI(double) cvGetCaptureProperty( CvCapture* capture, int property_id );
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/** @brief set capture properties
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*/
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CVAPI(int) cvSetCaptureProperty( CvCapture* capture, int property_id, double value );
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/** @brief Return the type of the capturer (eg, ::CV_CAP_VFW, ::CV_CAP_UNICAP)
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It is unknown if created with ::CV_CAP_ANY
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*/
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CVAPI(int) cvGetCaptureDomain( CvCapture* capture);
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/** @brief "black box" video file writer structure
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In C++ use cv::VideoWriter
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*/
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typedef struct CvVideoWriter CvVideoWriter;
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/** @brief initialize video file writer
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*/
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CVAPI(CvVideoWriter*) cvCreateVideoWriter( const char* filename, int fourcc,
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double fps, CvSize frame_size,
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int is_color CV_DEFAULT(1));
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/** @brief write frame to video file
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*/
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CVAPI(int) cvWriteFrame( CvVideoWriter* writer, const IplImage* image );
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/** @brief close video file writer
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*/
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CVAPI(void) cvReleaseVideoWriter( CvVideoWriter** writer );
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// ***************************************************************************************
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//! @name Obsolete functions/synonyms
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//! @{
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#define cvCaptureFromCAM cvCreateCameraCapture //!< @deprecated use cvCreateCameraCapture() instead
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#define cvCaptureFromFile cvCreateFileCapture //!< @deprecated use cvCreateFileCapture() instead
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#define cvCaptureFromAVI cvCaptureFromFile //!< @deprecated use cvCreateFileCapture() instead
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#define cvCreateAVIWriter cvCreateVideoWriter //!< @deprecated use cvCreateVideoWriter() instead
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#define cvWriteToAVI cvWriteFrame //!< @deprecated use cvWriteFrame() instead
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//! @} Obsolete...
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//! @} videoio_c
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#ifdef __cplusplus
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}
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#endif
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#endif //OPENCV_VIDEOIO_H
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