umc_h264_decdefs.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) 2004 - 2005 Intel Corporation. All Rights Reserved.
//

#ifndef DECDEFS_H__
#define DECDEFS_H__

// This file defines some data structures and constants used by the decoder,
// that are also needed by other classes, such as post filters and
// error concealment.

#define D_CBP_LUMA_DC 1
#define D_CBP_1ST_LUMA_AC_BITPOS 1
#define D_CBP_1ST_CHROMA_DC_BITPOS 17
#define D_CBP_1ST_CHROMA_AC_BITPOS 19
#define D_CBP_LUMA_AC (0xffff<<D_CBP_1ST_LUMA_AC_BITPOS)
#define D_CBP_GET_LUMA_AC_BITS(cbp) (((cbp) & 0x1fffe)>>D_CBP_1ST_LUMA_AC_BITPOS)
#define D_CBP_CHROMA_DC (0x3<<D_CBP_1ST_CHROMA_DC_BITPOS)
#define D_CBP_CHROMA_AC (0xff<<D_CBP_1ST_CHROMA_AC_BITPOS)

#define D_CBP_LUMA_TO_RASTERSCAN_ORDER(x) \
    ((D_CBP_GET_LUMA_AC_BITS(x)) & 0xc3c3) | \
    (((x) << 1) & 0x3030) | \
    (((x) >> 3) & 0x0c0c)


#endif // DECDEFS_H__