www.pudn.com > lencod.rar > defines.h
/*
***********************************************************************
* COPYRIGHT AND WARRANTY INFORMATION
*
* Copyright 2003, Advanced Audio Video Coding Standard, Part II
*
* DISCLAIMER OF WARRANTY
*
* These software programs are available to the users without any
* license fee or royalty on an "as is" basis. The AVS disclaims
* any and all warranties, whether express, implied, or statutory,
* including any implied warranties of merchantability or of fitness
* for a particular purpose. In no event shall the contributors or
* the AVS be liable for any incidental, punitive, or consequential
* damages of any kind whatsoever arising from the use of this program.
*
* This disclaimer of warranty extends to the user of this program
* and user's customers, employees, agents, transferees, successors,
* and assigns.
*
* The AVS does not represent or warrant that the program furnished
* hereunder are free of infringement of any third-party patents.
* Commercial implementations of AVS, including shareware, may be
* subject to royalty fees to patent holders. Information regarding
* the AVS patent policy is available from the AVS Web site at
* http://www.avs.org.cn
*
* THIS IS NOT A GRANT OF PATENT RIGHTS - SEE THE AVS PATENT POLICY.
************************************************************************
*/
/*
*************************************************************************************
* File name:
* Function:
*
*************************************************************************************
*/
#ifndef _DEFINES_H_
#define _DEFINES_H_
#define Frame_Rate_Num 8 //xfwang 2004.7.28 kinds of frame rate
#define AVS
#define TRACE 1 //!< 0:Trace off 1:Trace on
#define FastME
/*lgp*/
#define RD_EST_FACTOR_I 0.2
#define RD_EST_FACTOR_P 0.005
/*lgp*/
#define DIRECTSCALE
#define PROFILE_IDC 66
#define LEVEL_IDC 21
// CAVLC
#define LUMA 0
#define LUMA_INTRA16x16DC 1
#define LUMA_INTRA16x16AC 2
#define LEVEL_NUM 6
#define TOTRUN_NUM 15
#define RUNBEFORE_NUM 7
#define LUMA_16DC 0
#define LUMA_16AC 1
#define LUMA_8x8 2
#define LUMA_8x4 3
#define LUMA_4x8 4
#define LUMA_4x4 5
#define CHROMA_DC 6
#define CHROMA_AC 7
#define NUM_BLOCK_TYPES 8
#define clamp(a,b,c) ( (a)<(b) ? (b) : ((a)>(c)?(c):(a)) ) //!< clamp a to the range of [b;c]
#define LOG2_MAX_FRAME_NUM_MINUS4 4 // POC200301 moved from defines.h
#define LOG2_MAX_PIC_ORDER_CNT_LSB_MINUS4 4 // POC200301 newly added
// Constants for the interim file format
#define WORKING_DRAFT_MAJOR_NO 0 // inidicate the working draft version number
#define WORKING_DRAFT_MINOR_NO 4
#define INTERIM_FILE_MAJOR_NO 0 // indicate interim file format version number
#define INTERIM_FILE_MINOR_NO 1
// ---------------------------------------------------------------------------------
// FLAGS and DEFINES for new chroma intra prediction, Dzung Hoang
// Threshold values to zero out quantized transform coefficients.
// Recommend that _CHROMA_COEFF_COST_ be low to improve chroma quality
#define _LUMA_COEFF_COST_ 4 //!< threshold for luma coeffs
#define _CHROMA_COEFF_COST_ 4 //!< threshold for chroma coeffs, used to be 7
#define IMG_PAD_SIZE 4 //!< Number of pixels padded around the reference frame (>=4)
#define absm(A) ((A)<(0) ? (-(A)):(A)) //!< abs macro, faster than procedure
#define MAX_VALUE 999999 //!< used for start value for some variables
#define Clip1(a) ((a)>255?255:((a)<0?0:(a)))
#define Clip3(min,max,val) (((val)<(min))?(min):(((val)>(max))?(max):(val)))
// ---------------------------------------------------------------------------------
// FLAGS and DEFINES for AVS.
#define INI_CTX 1 //!< use initialization values for all CABAC contexts. 0=off, 1=on
#define INICNT_AVS 64 // max_count for AVS contexts if INI_CTX = 0
#define B8_SIZE 8 // block size of block transformed by AVS
//Lou 1014 #define QUANT_PERIOD 6 // mantissa/exponent quantization, step size doubles every QUANT_PERIOD qp
#define QUANT_PERIOD 8 // mantissa/exponent quantization, step size doubles every QUANT_PERIOD qp
#define _ALT_SCAN_ // use GI scan from JVT-C140 for field coding
//Lou 1013 #define QP_OFS -12 // workaround to use old qp-design for AVS routines
#define _CD_4x4VALUES_ // use baseline 4x4 quantization values
//#define _AVS_FLAG_IN_SLICE_HEADER_ // write AVS flag to slice header (needs fix)
// ---------------------------------------------------------------------------------
#define P8x8 8
#define I4MB 9
#define I16MB 10
#define IBLOCK 11
#define SI4MB 12
#define MAXMODE 13
#define LAMBDA_ACCURACY_BITS 16
#define LAMBDA_FACTOR(lambda) ((int)((double)(1<>LAMBDA_ACCURACY_BITS)
#define MV_COST(f,s,cx,cy,px,py) (WEIGHTED_COST(f,mvbits[((cx)<<(s))-px]+mvbits[((cy)<<(s))-py]))
#define REF_COST(f,ref) (WEIGHTED_COST(f,refbits[(ref)]))
#define BWD_IDX(ref) (((ref)<2)? 1-(ref): (ref))
#define REF_COST_FWD(f,ref) (WEIGHTED_COST(f,((img->num_ref_pic_active_fwd_minus1==0)? 0:refbits[(ref)])))
#define REF_COST_BWD(f,ref) (WEIGHTED_COST(f,((img->num_ref_pic_active_bwd_minus1==0)? 0:BWD_IDX(refbits[ref]))))
#define IS_INTRA(MB) ((MB)->mb_type==I4MB)
#define IS_OLDINTRA(MB) ((MB)->mb_type==I4MB)
#define IS_INTER(MB) ((MB)->mb_type!=I4MB)
#define IS_INTERMV(MB) ((MB)->mb_type!=I4MB && (MB)->mb_type!=0)
#define IS_DIRECT(MB) ((MB)->mb_type==0 && (img -> type==B_IMG))
#define IS_COPY(MB) ((MB)->mb_type==0 && img -> type==INTER_IMG)
#define IS_P8x8(MB) ((MB)->mb_type==P8x8)
// Quantization parameter range
//Lou 1014#define MIN_QP 0
//Lou 1014#define MAX_QP 51
//Lou 1014#define SHIFT_QP 12
#define MIN_QP 0
#define MAX_QP 63
#define SHIFT_QP 11
// Picture types
#define INTRA_IMG 0 //!< I frame
#define INTER_IMG 1 //!< P frame
#define B_IMG 2 //!< B frame
// Direct Mode types
#define DIR_TEMPORAL 0 //!< Temporal Direct Mode
#define DIR_SPATIAL 1 //!< Spatial Direct Mode
#define BLOCK_SIZE 4
#define DCT_BLOCK_SIZE 8 /*lgp*/
#define MB_BLOCK_SIZE 16
#define BLOCK_MULTIPLE (MB_BLOCK_SIZE/(2*BLOCK_SIZE))
#define NO_INTRA_PMODE 5 //!< #intra prediction modes
//!< 4x4 intra prediction modes
#define VERT_PRED 0
#define HOR_PRED 1
#define DC_PRED 2
#define DOWN_LEFT_PRED 3
#define DOWN_RIGHT_PRED 4
// 8x8 chroma intra prediction modes
#define DC_PRED_8 0
#define HOR_PRED_8 1
#define VERT_PRED_8 2
#define PLANE_8 3
#define INIT_FRAME_RATE 30
#define EOS 1 //!< End Of Sequence
#define MVPRED_MEDIAN 0
#define MVPRED_L 1
#define MVPRED_U 2
#define MVPRED_UR 3
#define MAX_SYMBOLS_PER_MB 1200 //!< Maximum number of different syntax elements for one MB
// CAVLC needs more symbols per MB
#define MAXPICTURETYPESEQUENCELEN 100 /*!< Maximum size of the string that defines the picture
types to be coded, e.g. "IBBPBBPBB" */
#endif