Function cvReleaseData

deps/opencv/modules/core/src/array.cpp:972–997

Deallocates array's data

// Deallocates array's data
CV_IMPL void
cvReleaseData( CvArr* arr )
{
    if( CV_IS_MAT_HDR( arr ) || CV_IS_MATND_HDR( arr ))
    {
        CvMat* mat = (CvMat*)arr;
        cvDecRefData( mat );
    }
    else if( CV_IS_IMAGE_HDR( arr ))
    {
        IplImage* img = (IplImage*)arr;

        if( !CvIPL.deallocate )
        {
            char* ptr = img->imageDataOrigin;
            img->imageData = img->imageDataOrigin = 0;
            cvFree( &ptr );
        }
        else
        {
            CvIPL.deallocate( img, IPL_IMAGE_DATA );
        }
    }
    else
        CV_Error( CV_StsBadArg, "unrecognized or unsupported array type" );
}


// Retrieves essential information about image ROI or CvMat data