spiral_lut.h

来自「ZORAN 962/966 SOURCE CODE,DVD chip」· C头文件 代码 · 共 82 行

/**********************************************************************************
 *  Copyright (c) 2002 ZORAN Corporation, All Rights Reserved
 *  THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF ZORAN CORPORATION
 *
 *  File: "spiral_Lut.h" 
 *
 * Description:
 * ============
 * Spiral LUT definitions
 * 
 * Log:
 * ====
 * $Revision: $
 * Last Modified by $Author: $ at $Modtime: $ 
 **********************************************************************************
 * Updates:
 **********************************************************************************
 * $Log: $
 * 
 * 
 *********************************************************************************/
#include "Config.h"		/* Global Configuration - do not remove! */


#ifndef _SPIRAL_LUT_H
#define _SPIRAL_LUT_H


/*** Include Files ***************************************************************/
#include "Include\sysdefs.h"
#include "Drive\Zfe\zfe.h"
#include "Drive\Zfe\Disc\Reader\trackmdl.h"


/*** Defines *********************************************************************/
#define TRACKMDL_CD_LUT_SIZE			72
#define TRACKMDL_CD_FACTORS_SIZE		4
#define TRACKMDL_DVD_SL_LUT_SIZE		120
#define TRACKMDL_DVD_SL_FACTORS_SIZE	4
#define TRACKMDL_DVD_DL_LUT_SIZE		120
#define TRACKMDL_DVD_DL_FACTORS_SIZE	4


/*** Typedefs ********************************************************************/

/* Each entry in the LUTs represents a linear (to the accuracy we need) representation
 * of the mapping from psn to track number. We caculate the track number for a given PSN
 * as first_track + (PSN - first_psn) * tracks_per_psn;
 */
typedef struct 
{
    UINT32				first_psn;				/* the lowest psn for this entry */
    UINT32              first_track;			/* the track of the first_psn */
    UINT16              tracks_per_psn;			/* stored as 2^16 times factor */
    TRACKMDL_FP16_9_T   psn_per_track_fp16_9;	/* stored as 2^9 times factor */
} TRACKMDL_LUT_ST;


typedef struct 
{
    UINT32				psn;					/* the highest psn for this entry */
    UINT8               window_factor_int;
    UINT8               window_factor_fraction;
    UINT8               kickback_offset_m;
	UINT8				kickback_offset_rs;
} TRACKMDL_FACTORS_ST;


/*** Externs *********************************************************************/
extern CONST TRACKMDL_LUT_ST TRACKMDL_DvdSlLut[TRACKMDL_DVD_SL_LUT_SIZE];
extern CONST TRACKMDL_FACTORS_ST TRACKMDL_DvdSlFactors[TRACKMDL_DVD_SL_FACTORS_SIZE];
extern CONST TRACKMDL_LUT_ST TRACKMDL_DvdDlLut[TRACKMDL_DVD_DL_LUT_SIZE];
extern CONST TRACKMDL_FACTORS_ST TRACKMDL_DvdDlFactors[TRACKMDL_DVD_DL_FACTORS_SIZE];
extern CONST TRACKMDL_LUT_ST TRACKMDL_Cdlut[TRACKMDL_CD_LUT_SIZE];
extern CONST TRACKMDL_FACTORS_ST TRACKMDL_CdFactors[TRACKMDL_CD_FACTORS_SIZE];


/*** Public Funcions *************************************************************/


#endif