/*
* Copyright (c) 2017, Intel Corporation
*
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* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
//!
//! \file     codec_def_common_jpeg.h
//! \brief    Defines basic JPEG types and macros shared by CodecHal, MHW, and DDI layer
//! \details  This is the base header for all codec_def JPEG files. All codec_def JPEG files should include this file which should not contain any DDI specific code.
//!
#ifndef __CODEC_DEF_COMMON_JPEG_H__
#define __CODEC_DEF_COMMON_JPEG_H__

#include "codec_def_common.h"

#define JPEG_MAX_NUM_HUFF_TABLE_INDEX           2    // For baseline only allowed 2, else could have 4.
#define JPEG_NUM_QUANTMATRIX                    64   // Elements of 8x8 matrix in zig-zag scan order.
#define JPEG_MAX_NUM_OF_QUANTMATRIX             4    // JPEG decoders can store up to 4 different quantization matrix

#define JPEG_NUM_HUFF_TABLE_DC_BITS             12   // Huffman Table DC BITS
#define JPEG_NUM_HUFF_TABLE_DC_HUFFVAL          12   // Huffman Table DC HUFFVAL
#define JPEG_NUM_HUFF_TABLE_AC_BITS             16   // Huffman Table AC BITS
#define JPEG_NUM_HUFF_TABLE_AC_HUFFVAL          162  // Huffman Table AC HUFFVAL

//!
//! \enum CodecJpegComponents
//! \brief JPEG Component Types
//!
enum CodecJpegComponents
{
    jpegComponentY      = 0,    //!< Component Y
    jpegComponentU      = 1,    //!< Component U
    jpegComponentV      = 2,    //!< Component V
    jpegNumComponent    = 3,    //!< Component number
};

//!
//! \struct CodecJpegQuantMatrix
//! \brief JPEG Quantization Matrix
//!
struct CodecJpegQuantMatrix
{
    uint32_t m_jpegQMTableType[JPEG_MAX_NUM_OF_QUANTMATRIX];                    //!< Quant Matrix table type
    uint8_t  m_quantMatrix[JPEG_MAX_NUM_OF_QUANTMATRIX][JPEG_NUM_QUANTMATRIX];  //!< Quant Matrix
};

//!
//! \struct CodecDecodeJpegPicParams
//! \brief Picture Paramters buffer structure for JPEG Decode
//!
struct CodecDecodeJpegPicParams
{
    CODEC_PICTURE m_destPic;                                //!< Destination Picture
    uint16_t      m_frameWidth;                             //!< Frame Width
    uint16_t      m_frameHeight;                            //!< Frame Height
    uint16_t      m_numCompInFrame;                         //!< Component Number in Frame
    uint8_t       m_componentIdentifier[jpegNumComponent];  //!< Component identifier
    uint8_t       m_quantTableSelector[jpegNumComponent];   //!< Quant table selector
    uint8_t       m_chromaType;                             //!< Chroma Type
    uint8_t       m_rotation;                               //!< Rotation type.
                                                            //! 0: no rotation,
                                                            //! 1: rotate clockwise 90 degree,
                                                            //! 2: rotate counter-clockwise 90 degree (same as rotating 270 degree clockwise)
                                                            //! 3: rotate 180 degree (NOT the same as flipped on the x-axis)
                                                            //!

    uint16_t m_totalScans;  //!< total scans

    uint32_t m_interleavedData : 1;  //!< Interleaved data
    uint32_t m_reserved : 31;        //!< Reserved bits

    uint32_t m_statusReportFeedbackNumber;  //!< Status report feedback number
    uint32_t m_renderTargetFormat;          //!< Render target format
};

//!
//! \struct _CODECHAL_DECODE_JPEG_HUFFMAN_TABLE
//! \brief typedef of struct Huffman Table used by JPEG
//! Note: Some DDIs have no HuffTable selector and are based on Component type
//!
typedef struct _CODECHAL_DECODE_JPEG_HUFFMAN_TABLE
{
    struct
    {
        uint8_t DC_BITS[JPEG_NUM_HUFF_TABLE_DC_BITS];        //!<  DC number of Huffman codes length
        uint8_t DC_HUFFVAL[JPEG_NUM_HUFF_TABLE_DC_HUFFVAL];  //!<  DC value of Huffman codes
        uint8_t AC_BITS[JPEG_NUM_HUFF_TABLE_AC_BITS];        //!<  AC number of Huffman codes length
        uint8_t AC_HUFFVAL[JPEG_NUM_HUFF_TABLE_AC_HUFFVAL];  //!<  AC value of Huffman codes
    } HuffTable[JPEG_MAX_NUM_HUFF_TABLE_INDEX];
} CODECHAL_DECODE_JPEG_HUFFMAN_TABLE, *PCODECHAL_DECODE_JPEG_HUFFMAN_TABLE;

#endif  // __CODEC_DEF_COMMON_JPEG_H__