www.pudn.com > mpeg4_DECORE.rar > postprocess.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.h //
/***
References:
* ISO/IEC 14496-2
* MoMuSys-FDIS-V1.0-990812
* Intel Architecture Software Developer's Manual
Volume 2: Instruction Set Reference
***/
/*
Currently this contains only the deblocking filter. The vertial
deblocking filter operates over eight pixel-wide columns at once. The
horizontal deblocking filter works on four horizontals row at a time.
Picture height must be multiple of 8, width a multiple of 16
*/
#ifndef POSTPROCESS_H
#define POSTPROCESS_H
/* we're not using for now, even on Linux */
#define int8_t char
#define uint8_t unsigned char
#define int16_t short
#define uint16_t unsigned short
#define int32_t int
#define uint32_t unsigned int
#ifdef WIN32
#define int64_t __int64
#define uint64_t unsigned __int64
#else
#define int64_t long long
#define uint64_t unsigned long long
#endif
/**** Compile-time options ****/
/* the following parameters allow for some tuning of the postprocessor */
#define DEBLOCK_HORIZ_USEDC_THR (28 - 12)
#define DEBLOCK_VERT_USEDC_THR (56 - 24)
/* Type to use for QP. This may depend on the decoder's QP store implementation */
#define QP_STORE_T int
/**** Function prototype - entry point for postprocessing ****/
void postprocess(unsigned char * src[], int src_stride,
unsigned char * dst[], int dst_stride,
int horizontal_size, int vertical_size,
QP_STORE_T *QP_store, int QP_stride,
int mode);
//#define SHOWDECISIONS_V
//#define SHOWDECISIONS_H
/**** mode flags to control postprocessing actions ****/
#define PP_DEBLOCK_Y_H 0x00000001 /* Luma horizontal deblocking */
#define PP_DEBLOCK_Y_V 0x00000002 /* Luma vertical deblocking */
#define PP_DEBLOCK_C_H 0x00000004 /* Chroma horizontal deblocking */
#define PP_DEBLOCK_C_V 0x00000008 /* Chroma vertical deblocking */
#define PP_DERING_Y 0x00000010 /* Luma deringing */
#define PP_DERING_C 0x00000020 /* Chroma deringing */
#define PP_DONT_COPY 0x10000000 /* Postprocessor will not copy src -> dst */
/* instead, it will operate on dst only */
#endif