1 /*
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9 * Software is furnished to do so, subject to the following conditions:
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15 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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21 */
22 //!
23 //! \file     encode_vdenc_lpla_analysis.h
24 //! \brief    Defines for encode hevc lowpower lookahead(Encode Pass) feature
25 //!
26 
27 #ifndef __ENCODE_HEVC_VDENC_LPLA_ENC_H__
28 #define __ENCODE_HEVC_VDENC_LPLA_ENC_H__
29 
30 #include "media_feature.h"
31 #include "encode_allocator.h"
32 #include "encode_basic_feature.h"
33 #include "encode_pipeline.h"
34 #include "encode_huc_brc_update_packet.h"
35 #include "encode_huc_brc_init_packet.h"
36 #include "encode_lpla.h"
37 
38 namespace encode
39 {
40     class HEVCVdencLplaEnc : public MediaFeature
41     {
42     public:
43         HEVCVdencLplaEnc(
44             MediaFeatureManager *featureManager,
45             EncodeAllocator     *allocator,
46             CodechalHwInterfaceNext *hwInterface,
47             void                *constSettings);
48 
49         virtual ~HEVCVdencLplaEnc();
50 
51         //!
52         //! \brief  Init lpla encode pass features related parameter
53         //! \param  [in] settings
54         //!         Pointer to settings
55         //! \return MOS_STATUS
56         //!         MOS_STATUS_SUCCESS if success, else fail reason
57         //!
58         MOS_STATUS Init(void *settings);
59 
60         //!
61         //! \brief  Update cqp basic features related parameter
62         //! \param  [in] params
63         //!         Pointer to parameters
64         //! \return MOS_STATUS
65         //!         MOS_STATUS_SUCCESS if success, else fail reason
66         //!
67         MOS_STATUS Update(void *params);
68 
69         //!
70         //! \brief    Setup/configure encoder based on sequence parameter set
71         //! \details  It is invoked when the encoder receives a new sequence parameter set and it would
72         //!           set up and configure the encoder state that used for the sequence
73         //!
74         //! \return   MOS_STATUS
75         //!           MOS_STATUS_SUCCESS if success, else fail reason
76         //!
77         MOS_STATUS SetSequenceStructs();
78 
79         //!
80         //! \brief    Setup/configure encoder based on picture parameter set
81         //! \details  It is invoked for every picture and it would set up and configure the
82         //            encoder state that used for current picture
83         //!
84         //! \return   MOS_STATUS
85         //!           MOS_STATUS_SUCCESS if success, else fail reason
86         //!
87         MOS_STATUS SetPictureStructs();
88 
89         MOS_STATUS SetHucBrcUpdateExtBuffer(
90             VdencHevcHucBrcUpdateDmem *hucVdencBrcUpdateDmem,
91             bool isLastPass);
92 
93         MOS_STATUS SetDmemForInit(VdencHevcHucBrcInitDmem *hucVdencBrcInitDmem);
94 
95     protected:
96         CODEC_HEVC_ENCODE_SEQUENCE_PARAMS *m_hevcSeqParams = nullptr;  //!< Pointer to sequence parameter
97         CODEC_HEVC_ENCODE_PICTURE_PARAMS  *m_hevcPicParams = nullptr;  //!< Pointer to picture parameter
98 
99         uint32_t             m_targetBufferFulness      = 0;            //!< Target encode buffer fulness in bits, used by BRC and calculated from initial buffer fulness, target frame size (from DDI) and average frame size
100         bool                 m_initDeltaQP              = true;         //!< Initial delta QP
101         uint32_t             m_prevQpModulationStrength = 0;            //!< Previous QP Modulation strength
102         uint32_t             m_prevTargetFrameSize      = 0;            //!< Target frame size of previous frame.
103         uint32_t             m_averageFrameSize         = 0;            //!< Average frame size based on targed bitrate and frame rate, in unit of bits
104         EncodeLPLA *         m_lplaHelper               = nullptr;      //!< Lookahead helper
105 
106     MEDIA_CLASS_DEFINE_END(encode__HEVCVdencLplaEnc)
107     };
108 } // encode
109 
110 #endif
111