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- /*------------------------------------------------------------------------------
- -- --
- -- This software is confidential and proprietary and may be used --
- -- only as expressly authorized by a licensing agreement from --
- -- --
- -- Hantro Products Oy. --
- -- --
- -- (C) COPYRIGHT 2006 HANTRO PRODUCTS OY --
- -- ALL RIGHTS RESERVED --
- -- --
- -- The entire notice above must be reproduced --
- -- on all copies and should not be removed. --
- -- --
- --------------------------------------------------------------------------------
- -
- - Description : ...
- -
- --------------------------------------------------------------------------------
- -
- - Version control information, please leave untouched.
- -
- - $RCSfile: vp6decodemode.h,v $
- - $Revision: 1.1 $
- - $Date: 2008/04/14 10:13:24 $
- -
- ------------------------------------------------------------------------------*/
- #ifndef __VP6DECODEMODE_H__
- #define __VP6DECODEMODE_H__
- #include "basetype.h"
- #include "vp6dec.h"
- /****************************************************************************
- * Module statics
- ****************************************************************************/
- #define MODETYPES 3
- #define MODEVECTORS 16
- #define PROBVECTORXMIT 174
- #define PROBIDEALXMIT 254
- /****************************************************************************
- * Typedefs
- ****************************************************************************/
- typedef struct _modeContext
- {
- u8 left;
- u8 above;
- u8 last;
- } MODE_CONTEXT;
- typedef struct _htorp
- {
- unsigned char selector : 1; // 1 bit selector 0->ptr, 1->token
- unsigned char value : 7;
- } torp;
- typedef struct _hnode
- {
- torp left;
- torp right;
- } HNODE;
- typedef enum _MODETYPE
- {
- MACROBLOCK,
- NONEAREST_MACROBLOCK,
- NONEAR_MACROBLOCK,
- BLOCK
- } MODETYPE;
- typedef struct LineEq
- {
- i32 M;
- i32 C;
- } LINE_EQ;
- /****************************************************************************
- * Exports
- ****************************************************************************/
- extern const u8 VP6HWModeVq[MODETYPES][MODEVECTORS][MAX_MODES*2];
- extern const u8 VP6HWBaselineXmittedProbs[4][2][MAX_MODES];
- extern const u8 VP6HWDcUpdateProbs[2][MAX_ENTROPY_TOKENS-1];
- extern const u8 VP6HWAcUpdateProbs[PREC_CASES][2][VP6HWAC_BANDS][MAX_ENTROPY_TOKENS-1];
- extern const u8 VP6HWPrevTokenIndex[MAX_ENTROPY_TOKENS];
- extern const u8 VP6HW_ZrlUpdateProbs[ZRL_BANDS][ZERO_RUN_PROB_CASES];
- extern const u8 VP6HW_ZeroRunProbDefaults[ZRL_BANDS][ZERO_RUN_PROB_CASES];
- extern const LINE_EQ VP6HWDcNodeEqs[CONTEXT_NODES][DC_TOKEN_CONTEXTS];
- typedef enum
- {
- CODE_INTER_NO_MV = 0x0, // INTER prediction, (0,0) motion vector implied.
- CODE_INTRA = 0x1, // INTRA i.e. no prediction.
- CODE_INTER_PLUS_MV = 0x2, // INTER prediction, non zero motion vector.
- CODE_INTER_NEAREST_MV = 0x3, // Use Last Motion vector
- CODE_INTER_NEAR_MV = 0x4, // Prior last motion vector
- CODE_USING_GOLDEN = 0x5, // 'Golden frame' prediction (no MV).
- CODE_GOLDEN_MV = 0x6, // 'Golden frame' prediction plus MV.
- CODE_INTER_FOURMV = 0x7, // Inter prediction 4MV per macro block.
- CODE_GOLD_NEAREST_MV = 0x8, // Use Last Motion vector
- CODE_GOLD_NEAR_MV = 0x9, // Prior last motion vector
- DO_NOT_CODE = 0x10 // Fake Mode
- } CODING_MODE;
- /****************************************************************************
- * Function Prototypes
- ****************************************************************************/
- void VP6HWDecodeModeProbs(PB_INSTANCE *pbi);
- void VP6HWBuildModeTree ( PB_INSTANCE *pbi );
- #endif /* __VP6DECODEMODE_H__ */
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