mvidct.c

优化过的xvid1.1.2源代码

#include "MVGlobal.h"
#include "MVIdct.h"

extern short iclip[1024];		/* clipping table */
extern short *iclp;

void idct_int32_init(void)
{
	int i;

	iclp = iclip + 512;
	for (i = -512; i < 512; i++)
		 iclp[i] = (i < -256) ? -256 : ((i > 255) ? 255 : i);
		 
	return ;
}