/** @file

;******************************************************************************
;* Copyright (c) 2020, Insyde Software Corp. All Rights Reserved.
;*
;* You may not reproduce, distribute, publish, display, perform, modify, adapt,
;* transmit, broadcast, present, recite, release, license or otherwise exploit
;* any part of this publication in any form, by any means, without the prior
;* written permission of Insyde Software Corporation.
;*
;******************************************************************************
*/

/*++

Copyright (c)  1999 - 2002 Intel Corporation. All rights reserved
This software and associated documentation (if any) is furnished
under a license and may only be used or copied in accordance
with the terms of the license. Except as permitted by such
license, no part of this software or documentation may be
reproduced, stored in a retrieval system, or transmitted in any
form or by any means without the express written consent of
Intel Corporation.


Module Name:

  McuDecode.h

Abstract:
  This code decode the JFIF image.

--*/

#ifndef _HUFFMAN_DECODE_H_
#define _HUFFMAN_DECODE_H_

#include "JfifDecode.h"



#define Cos0 1448 /* 4096*sqrt(1/8): 12 bits*/
#define Cos1 2009 /* 4096*(1/2)*cos(1*pi/16): 12 bits*/
#define Cos2 1892 /* 4096*(1/2)*cos(2*pi/16): 12 bits*/
#define Cos3 1703 /* 4096*(1/2)*cos(3*pi/16): 12 bits*/
#define Cos4 1448 /* 4096*(1/2)*cos(4*pi/16): 12 bits*/
#define Cos5 1138 /* 4096*(1/2)*cos(5*pi/16): 12 bits*/
#define Cos6 784  /* 4096*(1/2)*cos(6*pi/16): 12 bits*/
#define Cos7 500  /* 4096*(1/2)*cos(7*pi/16): 12 bits*/

UINT8
GetNextBit (
  OUT    BOOLEAN                        *IsEnd
  );

BOOLEAN
ReadByte (
  );

EFI_STATUS
ElementDecode (
  IN        UINT8                        HTIndex,
     OUT    UINT8                        *ZeroCount,
     OUT    INT16                        *DecodedVal,
     OUT    BOOLEAN                      *IsEnd,
     OUT    EFI_JPEG_DECODER_STATUS      *DecoderStatus
  );

EFI_STATUS
BlockDecode (
     OUT    INT16                        *BlockBuff,
  IN        UINT8                        DcAcHTIndex,
     OUT    BOOLEAN                      *IsEnd,
     OUT    EFI_JPEG_DECODER_STATUS      *DecoderStatus
 );

VOID
BlockDequantDezigzag (
  IN        INT16                        *BlockSrcBuff,
     OUT    INT16                        *BlockDstBuff,
  IN        UINT8                         BlockIndex
  );

VOID
BlockIDctAddoffset (
  IN  OUT   INT16                        *BlockSrcDstBuff,
  IN        UINT8                         BlockIndex
  );

EFI_STATUS
McuRetrieve (
     OUT    INT16                        *McuDstBuff,
  IN        BOOLEAN                      IntervalFlag,
     OUT    BOOLEAN                      *IsEnd,
     OUT    EFI_JPEG_DECODER_STATUS      *DecoderStatus
  );

VOID
McuDecode (
  IN        INT16                        *McuSrcBuff,
     OUT    INT16                        *McuDstBuff
  );


VOID
StoreMcuToUgaBlt (
  IN        INT16                        *McuSrcBuff,
  IN  OUT   UINT8                        **DstBuff,
  IN  OUT   UINT16                       *CurHPixel,
  IN  OUT   UINT16                       *CurVLine
  );

#endif