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22 //!
23 //! \file     codechal_decode_sfc_hevc_g12.h
24 //! \brief    Defines the SFC interface extension for HEVC decode in G12+ platform.
25 //! \details  Defines all types, macros, and functions required by CodecHal SFC for HEVC decoding.
26 //!           Definitions are not externally facing.
27 //!
28 
29 #ifndef __CODECHAL_DECODE_SFC_HEVC_G12_H__
30 #define __CODECHAL_DECODE_SFC_HEVC_G12_H__
31 
32 #include "mhw_sfc_g12_X.h"
33 #include "codechal_decode_sfc_hevc.h"
34 #include "codechal_decode_scalability_g12.h"
35 
36 class CodechalHevcSfcStateG12 : public CodechalHevcSfcState
37 {
38 public:
39     enum HEVC_LCU_SIZE
40     {
41         HEVC_SFC_LCU_16_16 = 0,
42         HEVC_SFC_LCU_32_32 = 1,
43         HEVC_SFC_LCU_64_64 = 2
44     };
45     enum HEVC_CHROMA_IDC
46     {
47         HEVC_CHROMA_FORMAT_400 = 0,
48         HEVC_CHROMA_FORMAT_420 = 1,
49         HEVC_CHROMA_FORMAT_422 = 2,
50         HEVC_CHROMA_FORMAT_444 = 3
51     };
52     //!
53     //! \brief    Constructor
54     //!
55     CodechalHevcSfcStateG12();
56     //!
57     //! \brief    Destructor
58     //!
59     ~CodechalHevcSfcStateG12();
60 
61     //!
62     //! \brief    Check if SFC output is supported and Initialize SFC
63     //! \param    [in] decodeProcParams
64     //!           Pointer to decode processing params
65     //! \param    [in] hevcPicParams
66     //!           Pointer to HEVC picture paramters
67     //! \param    [in] scalabilityState
68     //!           Pointer to CODECHAL_DECODE_SCALABILITY_STATE structure
69     //! \return   MOS_STATUS
70     //!           MOS_STATUS_SUCCESS if success, else fail reason
71     //!
72     MOS_STATUS CheckAndInitialize(
73         DecodeProcessingParams             *decProcessingParams,
74         PCODEC_HEVC_PIC_PARAMS              hevcPicParams,
75         PCODECHAL_DECODE_SCALABILITY_STATE  scalabilityState,
76         PMOS_SURFACE                        histogramSurface);
77 
78     virtual bool IsSfcFormatSupported(
79         MOS_FORMAT                          inputFormat,
80         MOS_FORMAT                          outputFormat);
81 
82     virtual MOS_STATUS UpdateInputInfo(
83         PMHW_SFC_STATE_PARAMS               sfcStateParams);
84 
85     virtual MOS_STATUS AddSfcCommands(
86         PMOS_COMMAND_BUFFER                 cmdBuffer);
87 
88     virtual MOS_STATUS SetSfcStateParams(
89         PMHW_SFC_STATE_PARAMS               sfcStateParams,
90         PMHW_SFC_OUT_SURFACE_PARAMS         outSurfaceParams);
91 
92     virtual MOS_STATUS SetSfcAvsStateParams();
93 
94 protected:
95     MOS_STATUS AllocateResources();
96 
97 protected:
98     int                                   m_numPipe = 1;                  //!< Number of pipes for scalability
99     int                                   m_curPipe = 0;                  //!< Current pipe index
100     int                                   m_numBuffersAllocated = 0;      //!< Number line buffer allocated
101     bool                                  m_enable8TapFilter = false;     //!< Using 8 tap filter
102     PCODEC_HEVC_PIC_PARAMS                m_hevcPicParams = nullptr;      //!< HEVC picture parameters
103     PCODECHAL_DECODE_SCALABILITY_STATE_G12 m_scalabilityState = nullptr;   //!< Decode scalability state
104     PMOS_SURFACE                          m_histogramSurface = nullptr;   //!< Histogram stream out buffer
105     MOS_RESOURCE                         *m_resAvsLineBuffers = nullptr;   //!< AVS Line Buffer, one for each pipe
106     MOS_RESOURCE                         *m_resSfdLineBuffers = nullptr;   //!< SFD Line Buffer, one for each pipe
107     MOS_RESOURCE                          m_resAvsLineTileBuffer = { 0 }; //!< Avs Line Tile Buffer MOS Resource
108     MOS_RESOURCE                          m_resSfdLineTileBuffer = { 0 }; //!< SFD Line Tile Buffer MOS Resource
109 };
110 
111 #endif
112