umc_h264_dec_tables.h

这是在PCA下的基于IPP库示例代码例子,在网上下了IPP的库之后,设置相关参数就可以编译该代码.

/*
//
//              INTEL CORPORATION PROPRIETARY INFORMATION
//  This software is supplied under the terms of a license  agreement or
//  nondisclosure agreement with Intel Corporation and may not be copied
//  or disclosed except in  accordance  with the terms of that agreement.
//        Copyright (c) 2003-2005 Intel Corporation. All Rights Reserved.
//
//
*/
#ifndef __UMC_H264_DEC_TABLES_H__
#define __UMC_H264_DEC_TABLES_H__

#include "ippdefs.h"

namespace UMC_H264_DECODER
{

extern const Ipp8s xyoff[16][2];

// Offset for 8x8 blocks
extern const Ipp8u xoff8[4];
extern const Ipp8u yoff8[4];

//////////////////////////////////////////////////////////
// scan matrices
extern const Ipp32s mp_scan4x4[2][16];

extern const Ipp32s hp_CtxIdxInc_sig_coeff_flag[2][63];
extern const Ipp32s hp_CtxIdxInc_last_sig_coeff_flag[63];

//////////////////////////////////////////////////////////
// Mapping from luma QP to chroma QP
extern const Ipp8u QPtoChromaQP[52];

///////////////////////////////////////
// Tables for decoding CBP
extern const Ipp8u dec_cbp_intra[2][48];
extern const Ipp8u dec_cbp_inter[2][48];


// Mapping from 8x8 block number to 4x4 block number
extern const Ipp8u block_subblock_mapping[16];
extern const Ipp8u subblock_block_mapping[4];


// Tables used for finding if a block is on the edge
// of a macroblock
extern const Ipp8u left_edge_tab4[4];
extern const Ipp8u top_edge_tab4[4];
extern const Ipp8u right_edge_tab4[4];
extern const Ipp8u left_edge_tab16[16];
extern const Ipp8u top_edge_tab16[16];
extern const Ipp8u right_edge_tab16[16];
extern const Ipp8u left_edge_tab16_8x4[16];
extern const Ipp8u top_edge_tab16_8x4[16];
extern const Ipp8u right_edge_tab16_8x4[16];
extern const Ipp8u left_edge_tab16_4x8[16];
extern const Ipp8u top_edge_tab16_4x8[16];
extern const Ipp8u right_edge_tab16_4x8[16];

extern const Ipp8u above_right_avail_8x4[16];
extern const Ipp8u above_right_avail_4x8[16];
extern const Ipp8u above_right_avail_4x4[16];
extern const Ipp8u above_right_avail_4x4_lin[16];
extern const Ipp8u subblock_block_membership[16];

extern const Ipp8s ClipQPTable[52*3];


} // end namespace UMC

#endif //__UMC_H264_DEC_TABLES_H__