tmndec.h

一个优化的H.263解码器,性能达到商用级

/************************************************************************
 *
 *  tmndec.h, TMN specific defines for tmndecode (H.263 decoder)
 *  Copyright (C) 1995, 1996  Telenor R&D, Norway
 *
 *  Contacts:
 *  Robert Danielsen                  <[e-mail]>
 *
 *  Telenor Research and Development  http://www.nta.no/brukere/DVC/
 *  P.O.Box 83                        tel.:   [phone]
 *  N-2007 Kjeller, Norway            fax.:   [phone]
 *
 *  Copyright (C) 1997  University of BC, Canada
 *  Modified by: Michael Gallant <[e-mail]>
 *               Guy Cote <[e-mail]>
 *               Berna Erol <[e-mail]>
 *
 *  Contacts:
 *  Michael Gallant                   <[e-mail]>
 *
 *  UBC Image Processing Laboratory   http://www.ee.ubc.ca/image
 *  2356 Main Mall                    tel.: [phone]
 *  Vancouver BC Canada V6T1Z4        fax.: [phone]
 *
 ************************************************************************/

/* Disclaimer of Warranty
 * 
 * These software programs are available to the user without any license fee
 * or royalty on an "as is" basis. The University of British Columbia
 * disclaims any and all warranties, whether express, implied, or
 * statuary, including any implied warranties or merchantability or of
 * fitness for a particular purpose.  In no event shall the
 * copyright-holder be liable for any incidental, punitive, or
 * consequential damages of any kind whatsoever arising from the use of
 * these programs.
 * 
 * This disclaimer of warranty extends to the user of these programs and
 * user's customers, employees, agents, transferees, successors, and
 * assigns.
 * 
 * The University of British Columbia does not represent or warrant that the
 * programs furnished hereunder are free of infringement of any
 * third-party patents.
 * 
 * Commercial implementations of H.263, including shareware, are subject to
 * royalty fees to patent holders.  Many of these patents are general
 * enough such that they are unavoidable regardless of implementation
 * design.
 * 
 */



/* based on mpeg2decode, (C) 1994, MPEG Software Simulation Group and
 * mpeg2play, (C) 1994 Stefan Eckart <[e-mail]>
 * 
 */
#ifndef __TMNDEC_H__
#define __TMNDEC_H__

/* default filename for enhancemennt layer reconstructed sequence */
#define DEF_ENHANCE_FILENAME_ROOT   "enhance.raw"

/* From sim.h */
#define PSC        1
#define PSC_LENGTH        17
#define SE_CODE                         31

#define MODE_INTER                      0
#define MODE_INTER_Q                    1
#define MODE_INTER4V                    2
#define MODE_INTRA                      3
#define MODE_INTRA_Q                    4
#define MODE_INTER4V_Q                  5

/* MODB options in normal PB frames mode */
#define PBMODE_NORMAL                   0
#define PBMODE_MVDB                     1
#define PBMODE_CBPB_MVDB                2

/* MODB options in improved PB frames mode */
#define PBMODE_BIDIR_PRED		            0
#define PBMODE_CBPB_BIDIR_PRED		        2
#define PBMODE_FRW_PRED		                6
#define PBMODE_CBPB_FRW_PRED		        14
#define PBMODE_BCKW_PRED		            30
#define PBMODE_CBPB_BCKW_PRED		        31

#define B_DIRECT_PREDICTION               0
#define B_FORWARD_PREDICTION              1
#define B_BACKWARD_PREDICTION             2
#define B_BIDIRECTIONAL_PREDICTION        3
#define B_INTRA_PREDICTION                4

#define EP_FORWARD_PREDICTION             0
#define EI_EP_UPWARD_PREDICTION           1
#define EP_BIDIRECTIONAL_PREDICTION       2
#define EI_EP_INTRA_PREDICTION            3

#define B_EI_EP_STUFFING                  5
#define INVALID_MBTYPE                    255

#define FORWARD_PREDICTION                0
#define DE_BIDIRECTIONAL_PREDICTION       1

#define ESCAPE                          7167
#define ESCAPE_INDEX                    102

/* picture types */
#define PCT_INTRA                       0
#define PCT_INTER                       1
#define PCT_IPB                         2
#define PCT_B                           3
#define PCT_EI                          4
#define PCT_EP                          5
#define PCT_PB                          6

/* scalability layers */
#define MAX_LAYERS                      2

/* pb frame type */
#define PB_FRAMES                       1
#define IM_PB_FRAMES                    2

#define ON                              1
#define OFF                             0

#define YES                             1
#define NO                              0

/* source formats */
#define SF_SQCIF                        1 /* 001 */
#define SF_QCIF                         2 /* 010 */
#define SF_CIF                          3 /* 011 */
#define SF_4CIF                         4 /* 100 */
#define SF_16CIF                        5 /* 101 */
#define SF_CUSTOM                       6 /* 110 */
#define EXTENDED_PTYPE                  7 /* 111 */

#define EXTENDED_PAR                    15  /* 1111 */

/* this is necessary for the max resolution 16CIF */
#define MBC                             88
#define MBR                             72

#define NO_VEC                          999

/* Intra Mode for Advanced Intra Coding mode */
#define INTRA_MODE_DC                   0
#define INTRA_MODE_VERT_AC              2
#define INTRA_MODE_HORI_AC              3

/* Scalability modes */
#define SNR_SCALABILITY			            1
#define SPATIAL_SCALABILITY_H		        3
#define SPATIAL_SCALABILITY_V           5
#define SPATIAL_SCALABILITY_HV          7


/* Pixel aspect ration for custom source format */
#define PAR_0                           0  /* 0000 */
#define PAR_SQUARE                      1  /* 0001 */
#define PAR_CIF                         2  /* 0010 */
#define PAR_525                         3  /* 0011 */
#define PAR_CIF_STRETCHED               4  /* 0100 */
#define PAR_525_STRETCHED               5  /* 0101 */
#define PAR_EXTENDED                    15 /* 1111 */

#endif // __TMNDEC_H__