You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
154 lines
5.5 KiB
C
154 lines
5.5 KiB
C
/*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.
|
|
//
|
|
//
|
|
// Intel License Agreement
|
|
// For Open Source Computer Vision Library
|
|
//
|
|
// Copyright (C) 2000, Intel Corporation, 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 Intel Corporation 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 OPENCV_VIDEOIO_H
|
|
#define OPENCV_VIDEOIO_H
|
|
|
|
#include "opencv2/core/core_c.h"
|
|
|
|
#include "opencv2/videoio/legacy/constants_c.h"
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif /* __cplusplus */
|
|
|
|
/**
|
|
@addtogroup videoio_c
|
|
@{
|
|
*/
|
|
|
|
/****************************************************************************************\
|
|
* Working with Video Files and Cameras *
|
|
\****************************************************************************************/
|
|
|
|
/** @brief "black box" capture structure
|
|
|
|
In C++ use cv::VideoCapture
|
|
*/
|
|
typedef struct CvCapture CvCapture;
|
|
|
|
/** @brief start capturing frames from video file
|
|
*/
|
|
CVAPI(CvCapture*) cvCreateFileCapture( const char* filename );
|
|
|
|
/** @brief start capturing frames from video file. allows specifying a preferred API to use
|
|
*/
|
|
CVAPI(CvCapture*) cvCreateFileCaptureWithPreference( const char* filename , int apiPreference);
|
|
|
|
/** @brief start capturing frames from camera: index = camera_index + domain_offset (CV_CAP_*)
|
|
*/
|
|
CVAPI(CvCapture*) cvCreateCameraCapture( int index );
|
|
|
|
/** @brief grab a frame, return 1 on success, 0 on fail.
|
|
|
|
this function is thought to be fast
|
|
*/
|
|
CVAPI(int) cvGrabFrame( CvCapture* capture );
|
|
|
|
/** @brief get the frame grabbed with cvGrabFrame(..)
|
|
|
|
This function may apply some frame processing like
|
|
frame decompression, flipping etc.
|
|
@warning !!!DO NOT RELEASE or MODIFY the retrieved frame!!!
|
|
*/
|
|
CVAPI(IplImage*) cvRetrieveFrame( CvCapture* capture, int streamIdx CV_DEFAULT(0) );
|
|
|
|
/** @brief Just a combination of cvGrabFrame and cvRetrieveFrame
|
|
|
|
@warning !!!DO NOT RELEASE or MODIFY the retrieved frame!!!
|
|
*/
|
|
CVAPI(IplImage*) cvQueryFrame( CvCapture* capture );
|
|
|
|
/** @brief stop capturing/reading and free resources
|
|
*/
|
|
CVAPI(void) cvReleaseCapture( CvCapture** capture );
|
|
|
|
/** @brief retrieve capture properties
|
|
*/
|
|
CVAPI(double) cvGetCaptureProperty( CvCapture* capture, int property_id );
|
|
/** @brief set capture properties
|
|
*/
|
|
CVAPI(int) cvSetCaptureProperty( CvCapture* capture, int property_id, double value );
|
|
|
|
/** @brief Return the type of the capturer (eg, ::CV_CAP_VFW, ::CV_CAP_UNICAP)
|
|
|
|
It is unknown if created with ::CV_CAP_ANY
|
|
*/
|
|
CVAPI(int) cvGetCaptureDomain( CvCapture* capture);
|
|
|
|
/** @brief "black box" video file writer structure
|
|
|
|
In C++ use cv::VideoWriter
|
|
*/
|
|
typedef struct CvVideoWriter CvVideoWriter;
|
|
|
|
/** @brief initialize video file writer
|
|
*/
|
|
CVAPI(CvVideoWriter*) cvCreateVideoWriter( const char* filename, int fourcc,
|
|
double fps, CvSize frame_size,
|
|
int is_color CV_DEFAULT(1));
|
|
|
|
/** @brief write frame to video file
|
|
*/
|
|
CVAPI(int) cvWriteFrame( CvVideoWriter* writer, const IplImage* image );
|
|
|
|
/** @brief close video file writer
|
|
*/
|
|
CVAPI(void) cvReleaseVideoWriter( CvVideoWriter** writer );
|
|
|
|
// ***************************************************************************************
|
|
//! @name Obsolete functions/synonyms
|
|
//! @{
|
|
#define cvCaptureFromCAM cvCreateCameraCapture //!< @deprecated use cvCreateCameraCapture() instead
|
|
#define cvCaptureFromFile cvCreateFileCapture //!< @deprecated use cvCreateFileCapture() instead
|
|
#define cvCaptureFromAVI cvCaptureFromFile //!< @deprecated use cvCreateFileCapture() instead
|
|
#define cvCreateAVIWriter cvCreateVideoWriter //!< @deprecated use cvCreateVideoWriter() instead
|
|
#define cvWriteToAVI cvWriteFrame //!< @deprecated use cvWriteFrame() instead
|
|
//! @} Obsolete...
|
|
|
|
//! @} videoio_c
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif //OPENCV_VIDEOIO_H
|