media_driver/agnostic/gen12/codec/hal/codechal_decode_avc_g12.h

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//!
//! \file      codechal_decode_avc_g12.h 
//! \brief     This modules implements Render interface layer for AVC decoding to be used on all operating systems/DDIs, across CODECHAL components. 
//!
//!
//! \file     codechal_decode_avc_g12.h
//! \brief    Defines the decode interface extension for AVC.
//! \details  Defines all types, macros, and functions required by CodecHal for AVC decoding. 
//!           Definitions are not externally facing.
//!

#ifndef __CODECHAL_DECODER_AVC_G12_H__
#define __CODECHAL_DECODER_AVC_G12_H__

#include "codechal_decode_avc.h"
#include "codechal_decode_singlepipe_virtualengine.h"
#include "codechal_decode_sfc_avc_g12.h"

//!
//! \class CodechalDecodeAvcG12
//! \brief This class defines the member fields, functions etc used by AVC decoder.
//!
class CodechalDecodeAvcG12 : public CodechalDecodeAvc
{
public:
    //!
    //! \brief  Constructor
    //! \param    [in] hwInterface
    //!           Hardware interface
    //! \param    [in] debugInterface
    //!           Debug interface
    //! \param    [in] standardInfo
    //!           The information of decode standard for this instance
    //!
    CodechalDecodeAvcG12(
        CodechalHwInterface *hwInterface,
        CodechalDebugInterface* debugInterface,
        PCODECHAL_STANDARD_INFO standardInfo);

    //!
    //! \brief    Copy constructor
    //!
    CodechalDecodeAvcG12(const CodechalDecodeAvcG12&) = delete;

    //!
    //! \brief    Copy assignment operator
    //!
    CodechalDecodeAvcG12& operator=(const CodechalDecodeAvcG12&) = delete;

    //!
    //! \brief    Destructor
    //!
    ~CodechalDecodeAvcG12();

    //!
    //! \brief    Allocate and initialize AVC decoder standard
    //! \param    [in] settings
    //!           Pointer to CodechalSetting
    //! \return   MOS_STATUS
    //!           MOS_STATUS_SUCCESS if success, else fail reason
    //!
    MOS_STATUS  AllocateStandard(
        CodechalSetting *          settings) override;

    //!
    //! \brief  Set states for each frame to prepare for GEN11 AVC decode
    //! \return MOS_STATUS
    //!         MOS_STATUS_SUCCESS if success, else fail reason
    //!
    MOS_STATUS  SetFrameStates() override;

    //!
    //! \brief    AVC decoder state level function
    //! \details  State level function for GEN11 AVC decoder
    //!
    //! \return   MOS_STATUS
    //!           MOS_STATUS_SUCCESS if success, else fail reason
    //!
    MOS_STATUS  DecodeStateLevel() override;

    //!
    //! \brief    AVC decoder primitive level function
    //! \details  Primitive level function for GEN specific AVC decoder
    //!
    //! \return   MOS_STATUS
    //!           MOS_STATUS_SUCCESS if success, else fail reason
    //!
    MOS_STATUS  DecodePrimitiveLevel() override;

    //!
    //! \brief    Constrcut Mono Picture
    //! \details  Constrcut Mono Picture in AVC decode driver, Write 0x80 in the chroma plane for Monochrome clips
    //! \param    [in] surface
    //!           Pointer to the decode output surface
    //! \return   MOS_STATUS
    //!           MOS_STATUS_SUCCESS if success, else fail reason
    //!
    MOS_STATUS FormatAvcMonoPicture(PMOS_SURFACE surface) override;

protected:
    MOS_STATUS  InitMmcState() override;

    MOS_STATUS  InitSfcState() override;

    MOS_STATUS SetGpuCtxCreatOption(CodechalSetting *settings) override;
    void CalcRequestedSpace(
        uint32_t &requestedSize,
        uint32_t &additionalSizeNeeded,
        uint32_t &requestedPatchListSize) override;

    //!
    //! \brief  Utility function to allocate internal histogram surface
    //!
    //! \return   MOS_STATUS
    //!           MOS_STATUS_SUCCESS if success, else fail reason
    //!
    virtual MOS_STATUS AllocateHistogramSurface();

    PCODECHAL_DECODE_SINGLEPIPE_VIRTUALENGINE_STATE m_veState;  //!< single pipe virtual engine state

    PMOS_SURFACE m_histogramSurface = nullptr;  //!< Internal histogram buffer

    //! \Huc state level command buffer size is required
    uint32_t m_HucStateCmdBufferSizeNeeded = 0;
    //! \Huc state level patch list size is required
    uint32_t m_HucPatchListSizeNeeded = 0;
};

#endif  // __CODECHAL_DECODER_AVC_G12_H__