#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/stddef.h>
#include <linux/module.h>
#include <linux/fs.h>
#include <linux/version.h>
#include <linux/errno.h>
#include <ipp.h>
//#include <asm/i387.h> //for fpu

MODULE_LICENSE("GPL");

int init_module(void)
{
	const IppLibraryVersion* libver;
	Ipp16s sum;
	IppStatus status;
	int x;
	int img[12];
	const int len = 12;

	#pragma message("copy libippi.a libipps.a libippcore.a from ipp/lib/intel64/nonpic/")

	ippInit();

	libver = ippsGetLibVersion();
	printk( " %s %s \n", libver->Name, libver->Version );

	for( x=0; x<len; ++x )
	{
		img[x] = x;
		printk("%d \n", img[x]);
	}

	/* direct way to compute the sum of the image by using 1D function */
	status = ippsSum_16s_Sfs( (Ipp16s *)img, len, &sum, 1 );
	if( ippStsNoErr != status )
		printk("Error happened");

	printk("sum(%d) --\n", sum);
/*
	{
		char pe_temp[1920*1080*2];
		char pe[1920*1080*2];
		char pe_work[1920*1080*4];

		unsigned long cx = 1920;

		unsigned long cy = 1080; 

		double dx = 1280;

		double dy = 720;

		IppiResizeYUV422Spec* spec;

		IppiPoint point = { 0, 0 };
		
		IppiSize srcSize    = { cx , cy };

		IppiRect srcRoi     = { 0, 0, cx, cy };

		IppiSize dstRoiSize = { 1280, 720 };

		kernel_fpu_begin();

		dx /= cx;

		dy /= cy;

		ippiResizeYUV422_8u_C2R( pe, srcSize, cx << 1, srcRoi, pe_temp, 1280 << 1 , dstRoiSize, dx, dy, IPPI_INTER_LINEAR );
		
		//ippiResizeYUV422Nearest_8u_C2R( pe, cx << 1, pe_temp, 1280 << 1, point, dstRoiSize, spec, pe_work);
		
		//ippiResizeYUV422Linear_8u_C2R( pe, cx << 1, pe_temp, 1280 << 1, point, dstRoiSize, 0, NULL, spec, pe_work);

		kernel_fpu_end();
	}
*/
	return 0;
}

void cleanup_module(void)
{
	return;
}

//link error
//ippiResizeYUV422_8u_C2R
/*
WARNING: "free" [/home/rd/Downloads/new/ipptest.ko] undefined!
WARNING: "realloc" [/home/rd/Downloads/new/ipptest.ko] undefined!
WARNING: "calloc" [/home/rd/Downloads/new/ipptest.ko] undefined!
WARNING: "malloc" [/home/rd/Downloads/new/ipptest.ko] undefined!
WARNING: "floor" [/home/rd/Downloads/new/ipptest.ko] undefined!
WARNING: "fabs" [/home/rd/Downloads/new/ipptest.ko] undefined!
*/

//ippiResizeYUV422Nearest_8u_C2R
//ippiResizeYUV422Linear_8u_C2R
//WARNING: "floor" [/home/rd/Downloads/new/ipptest.ko] undefined!