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tdemultimedia/mpeglib/lib/mpegplay/copyFunctions.h

96 lines
2.3 KiB

/*
stores heavily used copy functions (makes mmx support easier)
Copyright (C) 2000 Martin Vogt
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Library General Public License as published by
the Free Software Foundation.
For more information look at the file COPYRIGHT in this package
*/
#ifndef __COPYFUNCTIONS_H
#define __COPYFUNCTIONS_H
#define MAX_NEG_CROP 32768
#define NUM_CROP_ENTRIES (2048+2*MAX_NEG_CROP)
#include <iostream>
#include "../util/mmx/mmx.h"
extern "C" {
#include <string.h>
}
#include "copyFunctions_mmx.h"
class CopyFunctions {
unsigned char *cm;
int lmmx;
unsigned char* cropTbl;
CopyFunctions_ASM* copyFunctions_asm;
public:
CopyFunctions();
~CopyFunctions();
/**
We make sure, that during the whole construcion block
we never (!!!) do float operations, thus we move
the time consumin emms call really at the end of
the whole reconstrucion/motion compensation
*/
void startNOFloatSection();
void endNOFloatSection();
void copy8_byte(unsigned char* source1,
unsigned char* dest,int inc);
void copy8_word(unsigned short* source1,
unsigned short* dest,int inc);
void copy8_div2_nocrop(unsigned char* source1,
unsigned char* source2,
unsigned char* dest,int inc);
void copy8_div2_destlinear_nocrop(unsigned char* source1,
unsigned char* source2,
unsigned char* dest,int inc);
void copy16_div2_destlinear_nocrop(unsigned char* source1,
unsigned char* source2,
unsigned char* dest,int inc);
void copy8_div4_nocrop(unsigned char* source1,
unsigned char* source2,
unsigned char* source3,
unsigned char* source4,
unsigned char* dest,int inc);
void copy8_src1linear_crop(short* source1,unsigned char* dest,int inc);
void copy8_src2linear_crop(unsigned char* source1,
short int* source2,
unsigned char* dest,int inc);
void copy8_div2_src3linear_crop(unsigned char* source1,
unsigned char* source2,
short int* source3,
unsigned char* dest,int inc);
void copy8_div4_src5linear_crop(unsigned char* source1,
unsigned char* source2,
unsigned char* source3,
unsigned char* source4,
short int* source5,
unsigned char* dest,int inc);
};
#endif