www.pudn.com > mpeg4_DECORE.rar > postprocess_mmx.h
/**************************************************************************
* *
* This code has been developed by John Funnell. This software is an *
* implementation of a part of one or more MPEG-4 Video tools as *
* specified in ISO/IEC 14496-2 standard. Those intending to use this *
* software module in hardware or software products are advised that its *
* use may infringe existing patents or copyrights, and any such use *
* would be at such party's own risk. The original developer of this *
* software module and his/her company, and subsequent editors and their *
* companies (including Project Mayo), will have no liability for use of *
* this software or modifications or derivatives thereof. *
* *
* Project Mayo gives users of the Codec a license to this software *
* module or modifications thereof for use in hardware or software *
* products claiming conformance to the MPEG-4 Video Standard as *
* described in the Open DivX license. *
* *
* The complete Open DivX license can be found at *
* http://www.projectmayo.com/opendivx/license.php *
* *
**************************************************************************/
/**
* Copyright (C) 2001 - Project Mayo
*
* John Funnell
*
* DivX Advanced Research Center
*
**/
// postprocess_mmx.h //
/***
References:
* ISO/IEC 14496-2
* MoMuSys-FDIS-V1.0-990812
* Intel Architecture Software Developer's Manual
Volume 2: Instruction Set Reference
***/
/* Header to be included in all component MMX files */
#ifndef _POSTPROCESS_MMX_H_
#define _POSTPROCESS_MMX_H_
/* include the public API header file */
#include "postprocess.h"
/*********************** self checking ***********************/
/* PP_SELF_CHECK enables exhaustive self-checking of all MMX routines */
/* self checking is broken in the "wine cl.exe" environment as printf() crashes */
//#define PP_SELF_CHECK
/* we only ever printf() if self-checking is turned on at compile time */
#ifdef PP_SELF_CHECK
#include
#endif
/******************** inlining functions ***********************/
/*
If we want the component functions of the filter to be inlined into
the main filter loops, then we need to arrange for their source files
to be #include'd and for them to be identified as static inline
*/
#ifdef PP_COMPONENTS_INLINE
#ifdef WIN32
#define INLINE __inline
#else
#define INLINE inline
#endif
#else
#define INLINE
#endif
/******************* Experimental prefetch *****************/
/* it would seem my version of Microsoft's tools do not recognise prefetch
instructions so this isn't working! (It worked for gcc) */
//#define PREFETCH_ENABLE
/* the optimum values (8 and 8) for these two were discovered by experimentation */
//#define PREFETCH_AHEAD_H 8
//#define PREFETCH_AHEAD_V 8
/******************* general, useful macros ****************/
#define ABS(a) ( (a)>0 ? (a) : -(a) )
#define SIGN(a) ( (a)<0 ? -1 : 1 )
#define MIN(a, b) ( (a)<(b) ? (a) : (b) )
#define MAX(a, b) ( (a)>(b) ? (a) : (b) )
/******************** component function prototypes **************/
int deblock_horiz_useDC(uint8_t *v, int stride);
int deblock_horiz_DC_on(uint8_t *v, int stride, int QP);
void deblock_horiz_lpf9(uint8_t *v, int stride, int QP);
void deblock_horiz_default_filter(uint8_t *v, int stride, int QP);
void deblock_horiz(uint8_t *image, int width, int stride, QP_STORE_T *QP_store, int QP_stride, int chromaFlag);
int deblock_vert_useDC(uint8_t *v, int stride);
int deblock_vert_DC_on(uint8_t *v, int stride, int QP);
void deblock_vert_copy_and_unpack(int stride, uint8_t *source, uint64_t *dest, int n);
void deblock_vert_choose_p1p2(uint8_t *v, int stride, uint64_t *p1p2, int QP);
void deblock_vert_lpf9(uint64_t *v_local, uint64_t *p1p2, uint8_t *v, int stride);
void deblock_vert_default_filter(uint8_t *v, int stride, int QP);
void deblock_vert( uint8_t *image, int width, int stride, QP_STORE_T *QP_store, int QP_stride, int chromaFlag);
void fast_copy(unsigned char *src, int src_stride,
unsigned char *dst, int dst_stride,
int horizontal_size, int vertical_size);
void do_emms();
#endif