/*------------------------------------------------------------------------------
--                                                                            --
--       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.                  --
--                                                                            --
--------------------------------------------------------------------------------
--
--  Abstract: api internal defines
--
--------------------------------------------------------------------------------
--
--  Version control information, please leave untouched.
--
--  $RCSfile: mpeg2decapi_internal.h,v $
--  $Date: 2008/10/31 14:58:49 $
--  $Revision: 1.8 $
------------------------------------------------------------------------------*/
/*------------------------------------------------------------------------------

    Table of contents

    1. Include headers
    2. Internal Definitions
    3. Prototypes of Decoder API internal functions

------------------------------------------------------------------------------*/

#ifndef _MPEG2DECAPI_INTERNAL_H_
#define _MPEG2DECAPI_INTERNAL_H_

/*------------------------------------------------------------------------------
    1. Include headers
------------------------------------------------------------------------------*/

#include "mpeg2hwd_cfg.h"
#include "mpeg2hwd_utils.h"
#include "mpeg2decapi.h"

/*------------------------------------------------------------------------------
    2. Internal Definitions
------------------------------------------------------------------------------*/
#define MPEG2_DEC_X170_MODE_MPEG2      5
#define MPEG2_DEC_X170_MODE_MPEG1      6

#define MPEG2_DEC_X170_IRQ_DEC_RDY    0x01
#define MPEG2_DEC_X170_IRQ_BUS_ERROR  0x02
#define MPEG2_DEC_X170_IRQ_BUFFER_EMPTY   0x04
#define MPEG2_DEC_X170_IRQ_ASO            0x08
#define MPEG2_DEC_X170_IRQ_STREAM_ERROR   0x10
#define MPEG2_DEC_X170_IRQ_TIMEOUT        0x40
#define MPEG2_DEC_X170_IRQ_CLEAR_ALL  0xFF

/*
 *  Size of internal frame buffers (in 32bit-words) per macro block
 */
#define MPEG2API_DEC_FRAME_BUFF_SIZE  96

/*
 *  Size of CTRL buffer (macroblks * 4 * 32bit-words/Mb), same for MV and DC
 */
#define MPEG2API_DEC_CTRL_BUFF_SIZE   NBR_OF_WORDS_MB * MPEG2API_DEC_MBS

#define MPEG2API_DEC_MV_BUFF_SIZE     NBR_MV_WORDS_MB * MPEG2API_DEC_MBS

#define MPEG2API_DEC_DC_BUFF_SIZE     NBR_DC_WORDS_MB * MPEG2API_DEC_MBS

#define MPEG2API_DEC_NBOFRLC_BUFF_SIZE MPEG2API_DEC_MBS * 6

#ifndef NULL
#define NULL 0
#endif

#define SWAP_POINTERS(A, B, T) T = A; A = B; B = T;

#define INVALID_ANCHOR_PICTURE ((u32)-1)

/*------------------------------------------------------------------------------
    3. Prototypes of Decoder API internal functions
------------------------------------------------------------------------------*/

/*void regDump(Mpeg2DecInst decInst);*/
void mpeg2API_InitDataStructures(DecContainer * pDecCont);
void mpeg2DecTimeCode(DecContainer * pDecCont, Mpeg2DecTime * timeCode);
Mpeg2DecRet mpeg2AllocateBuffers(DecContainer * pDecCont);
void mpeg2HandleQTables(DecContainer * pDecCont);
void mpeg2HandleMpeg1Parameters(DecContainer * pDecCont);
Mpeg2DecRet mpeg2DecCheckSupport(DecContainer * pDecCont);
void mpeg2DecPreparePicReturn(DecContainer * pDecCont);
void mpeg2DecAspectRatio(DecContainer * pDecCont, Mpeg2DecInfo * pDecInfo);
void mpeg2DecBufferPicture(DecContainer * pDecCont, u32 picId, u32 bufferB,
                           u32 isInter, Mpeg2DecRet returnValue, u32 nbrErrMbs);
Mpeg2DecRet mpeg2DecAllocExtraBPic(DecContainer * pDecCont);
void mpeg2FreeBuffers(DecContainer * pDecCont);

#endif /* _MPEG2DECAPI_INTERNAL_H_ */