vldstate.h
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上传日期:2007-06-06
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- /* ***** BEGIN LICENSE BLOCK *****
- * Version: RCSL 1.0/RPSL 1.0
- *
- * Portions Copyright (c) 1995-2002 RealNetworks, Inc. All Rights Reserved.
- *
- * The contents of this file, and the files included with this file, are
- * subject to the current version of the RealNetworks Public Source License
- * Version 1.0 (the "RPSL") available at
- * http://www.helixcommunity.org/content/rpsl unless you have licensed
- * the file under the RealNetworks Community Source License Version 1.0
- * (the "RCSL") available at http://www.helixcommunity.org/content/rcsl,
- * in which case the RCSL will apply. You may also obtain the license terms
- * directly from RealNetworks. You may not use this file except in
- * compliance with the RPSL or, if you have a valid RCSL with RealNetworks
- * applicable to this file, the RCSL. Please see the applicable RPSL or
- * RCSL for the rights, obligations and limitations governing use of the
- * contents of the file.
- *
- * This file is part of the Helix DNA Technology. RealNetworks is the
- * developer of the Original Code and owns the copyrights in the portions
- * it created.
- *
- * This file, and the files included with this file, is distributed and made
- * available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS
- * FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- *
- * Technology Compatibility Kit Test Suite(s) Location:
- * http://www.helixcommunity.org/content/tck
- *
- * Contributor(s):
- *
- * ***** END LICENSE BLOCK ***** */
-
- #include "h263plus.h"
- #ifndef _INC_VLDSTATE
- #define _INC_VLDSTATE 1
- /* Define states for bitstream decoder */
- #define ST_DIFF_QUANT (-4) /* Decrease state by 4 after decoding QUANT */
- #define ST_DIFF_ESC_LEVEL (-28) /* Decrease state by 28 after decoding ESC_LEVEL */
- #define ST_MC_NOCBP_MVDX 1
- #define ST_MC_NOCBP_MVDY 2
- #define ST_MBA_STARTCODE 3
- #define ST_NEXT_BLK_6 4
- #define ST_FIRST_BLK_6 5
- #define ST_NEXT_BLK_5 6
- #define ST_FIRST_BLK_5 7
- #define ST_NEXT_BLK_4 8
- #define ST_FIRST_BLK_4 9
- #define ST_NEXT_BLK_3 10
- #define ST_FIRST_BLK_3 11
- #define ST_NEXT_BLK_2 12
- #define ST_FIRST_BLK_2 13
- #define ST_NEXT_BLK_1 14
- #define ST_FIRST_BLK_1 15
- #define ST_INTRA_DC_BLK_6 16
- #define ST_INTRA_AC_BLK_5 17
- #define ST_INTRA_DC_BLK_5 18
- #define ST_INTRA_AC_BLK_4 19
- #define ST_INTRA_DC_BLK_4 20
- #define ST_INTRA_AC_BLK_3 21
- #define ST_INTRA_DC_BLK_3 22
- #define ST_INTRA_AC_BLK_2 23
- #define ST_INTRA_DC_BLK_2 24
- #define ST_INTRA_AC_BLK_1 25
- #define ST_INTRA_DC_BLK_1 26
- #define ST_MC_CBP_MVDX 27
- #define ST_MC_CBP_MVDY 28
- #define ST_CBP 29
- #define ST_INTRA_MQUANT (ST_INTRA_DC_BLK_1 - ST_DIFF_QUANT)
- #define ST_MC_CBP_MQUANT (ST_MC_CBP_MVDX - ST_DIFF_QUANT)
- #define ST_ESC_BLK_6 (ST_NEXT_BLK_6 - ST_DIFF_ESC_LEVEL)
- #define ST_INTER_MQUANT (ST_CBP - ST_DIFF_QUANT)
- #define ST_ESC_BLK_5 (ST_NEXT_BLK_5 - ST_DIFF_ESC_LEVEL)
- #define ST_MTYPE 35
- #define ST_ESC_BLK_4 (ST_NEXT_BLK_4 - ST_DIFF_ESC_LEVEL)
- #define ST_GEI_PEI 37
- #define ST_ESC_BLK_3 (ST_NEXT_BLK_3 - ST_DIFF_ESC_LEVEL)
- #define ST_PTYPE 39
- #define ST_ESC_BLK_2 (ST_NEXT_BLK_2 - ST_DIFF_ESC_LEVEL)
- #define ST_GQUANT 41
- #define ST_ESC_BLK_1 (ST_NEXT_BLK_1 - ST_DIFF_ESC_LEVEL)
- #define ST_TR 43
- #define ST_AFTER_STARTCODE 44
- #define ST_ESC_INTRA_5 (ST_INTRA_AC_BLK_5 - ST_DIFF_ESC_LEVEL)
- /* State 46 is not used */
- #define ST_ESC_INTRA_4 (ST_INTRA_AC_BLK_4 - ST_DIFF_ESC_LEVEL)
- /* State 48 is not used */
- #define ST_ESC_INTRA_3 (ST_INTRA_AC_BLK_3 - ST_DIFF_ESC_LEVEL)
- /* State 50 is not used */
- #define ST_ESC_INTRA_2 (ST_INTRA_AC_BLK_2 - ST_DIFF_ESC_LEVEL)
- /* State 52 is not used */
- #define ST_ESC_INTRA_1 (ST_INTRA_AC_BLK_1 - ST_DIFF_ESC_LEVEL)
- // Definitions for H.263
- #define ST263_BASE (54)
- #define ST263_DIFF_ESC_LEVEL (-1) // Decrease state by 1 after decoding ESC_LEVEL
- #define ST263_DIFF_INTRA_DC (-14) // Decrease state by 14 after decoding INTRA-DC
- #define ST263_DIFF_LAST (-2) // Decrease state by 2 after decoding TCOEF with LAST=1
- #define ST263_FINISHED (ST263_BASE + 0)
- #define ST263_ESC_FINISHED (ST263_FINISHED - ST263_DIFF_ESC_LEVEL)
- #define ST263_BLK_6 (ST263_FINISHED - ST263_DIFF_LAST)
- #define ST263_ESC_BLK6 (ST263_BLK_6 - ST263_DIFF_ESC_LEVEL)
- #define ST263_BLK_5 (ST263_BLK_6 - ST263_DIFF_LAST)
- #define ST263_ESC_BLK5 (ST263_BLK_5 - ST263_DIFF_ESC_LEVEL)
- #define ST263_BLK_4 (ST263_BLK_5 - ST263_DIFF_LAST)
- #define ST263_ESC_BLK4 (ST263_BLK_4 - ST263_DIFF_ESC_LEVEL)
- #define ST263_BLK_3 (ST263_BLK_4 - ST263_DIFF_LAST)
- #define ST263_ESC_BLK3 (ST263_BLK_3 - ST263_DIFF_ESC_LEVEL)
- #define ST263_BLK_2 (ST263_BLK_3 - ST263_DIFF_LAST)
- #define ST263_ESC_BLK2 (ST263_BLK_2 - ST263_DIFF_ESC_LEVEL)
- #define ST263_BLK_1 (ST263_BLK_2 - ST263_DIFF_LAST)
- #define ST263_ESC_BLK1 (ST263_BLK_1 - ST263_DIFF_ESC_LEVEL)
- #define ST263_INTRA_DC_ONLY (ST263_FINISHED - ST263_DIFF_INTRA_DC)
- // State 69 is not used
- #define ST263_INTRA_DC_AC (ST263_BLK_6 - ST263_DIFF_INTRA_DC)
- #ifdef DO_H263_PLUS
- #define ST263PLUS_BASE (ST263_INTRA_DC_AC + 1)
- #define ST263PLUS_FINISHED (ST263PLUS_BASE + 0)
- #define ST263PLUS_ESC_FINISHED (ST263PLUS_FINISHED - ST263_DIFF_ESC_LEVEL)
- #define ST263PLUS_BLK_6 (ST263PLUS_FINISHED - ST263_DIFF_LAST)
- #define ST263PLUS_ESC_BLK6 (ST263PLUS_BLK_6 - ST263_DIFF_ESC_LEVEL)
- #define ST263PLUS_BLK_5 (ST263PLUS_BLK_6 - ST263_DIFF_LAST)
- #define ST263PLUS_ESC_BLK5 (ST263PLUS_BLK_5 - ST263_DIFF_ESC_LEVEL)
- #define ST263PLUS_BLK_4 (ST263PLUS_BLK_5 - ST263_DIFF_LAST)
- #define ST263PLUS_ESC_BLK4 (ST263PLUS_BLK_4 - ST263_DIFF_ESC_LEVEL)
- #define ST263PLUS_BLK_3 (ST263PLUS_BLK_4 - ST263_DIFF_LAST)
- #define ST263PLUS_ESC_BLK3 (ST263PLUS_BLK_3 - ST263_DIFF_ESC_LEVEL)
- #define ST263PLUS_BLK_2 (ST263PLUS_BLK_3 - ST263_DIFF_LAST)
- #define ST263PLUS_ESC_BLK2 (ST263PLUS_BLK_2 - ST263_DIFF_ESC_LEVEL)
- #define ST263PLUS_BLK_1 (ST263PLUS_BLK_2 - ST263_DIFF_LAST)
- #define ST263PLUS_ESC_BLK1 (ST263PLUS_BLK_1 - ST263_DIFF_ESC_LEVEL)
- #define NUMSTATES (ST263PLUS_BASE + 15)
- #else
- #define NUMSTATES (ST263_BASE + 17)
- #endif
- #endif