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22 //!
23 //! \file     decode_vp8_reference_frames.cpp
24 //! \brief    Defines reference list related logic for vp8 decode
25 //!
26 
27 #include "decode_vp8_basic_feature.h"
28 #include "decode_utils.h"
29 #include "decode_vp8_reference_frames.h"
30 #include "codec_def_decode_vp8.h"
31 
32 namespace decode
33 {
Vp8ReferenceFrames()34     Vp8ReferenceFrames::Vp8ReferenceFrames()
35     {
36         memset(m_vp8RefList, 0, sizeof(m_vp8RefList));
37     }
38 
Init(Vp8BasicFeature * basicFeature,DecodeAllocator & allocator)39     MOS_STATUS Vp8ReferenceFrames::Init(Vp8BasicFeature *basicFeature, DecodeAllocator& allocator)
40     {
41         DECODE_FUNC_CALL();
42 
43         DECODE_CHK_NULL(basicFeature);
44         m_basicFeature = basicFeature;
45         m_allocator = &allocator;
46         DECODE_CHK_NULL(m_allocator);
47         DECODE_CHK_STATUS(AllocateDataList(m_vp8RefList, CODECHAL_NUM_UNCOMPRESSED_SURFACE_VP8));   // CODECHAL_NUM_UNCOMPRESSED_SURFACE_VP8 128
48 
49         return MOS_STATUS_SUCCESS;
50     }
51 
~Vp8ReferenceFrames()52     Vp8ReferenceFrames::~Vp8ReferenceFrames()
53     {
54         DECODE_FUNC_CALL();
55 
56         FreeDataList(m_vp8RefList, CODECHAL_NUM_UNCOMPRESSED_SURFACE_VP8);
57         m_activeReferenceList.clear();
58     }
59 
UpdatePicture(CODEC_VP8_PIC_PARAMS & picParams)60     MOS_STATUS Vp8ReferenceFrames::UpdatePicture(CODEC_VP8_PIC_PARAMS &picParams)
61     {
62         DECODE_FUNC_CALL();
63 
64         DECODE_CHK_STATUS(UpdateCurFrame(picParams));
65 
66         // Override reference list with ref surface passed from DDI if needed
67         uint8_t surfCount = 0;
68         uint8_t surfIndex = 0;
69         while (surfCount < m_basicFeature->m_refSurfaceNum && surfIndex < CODECHAL_NUM_UNCOMPRESSED_SURFACE_VP8)
70         {
71             if (!m_allocator->ResourceIsNull(&m_basicFeature->m_refFrameSurface[surfIndex].OsResource))
72             {
73                 m_vp8RefList[surfIndex]->resRefPic = m_basicFeature->m_refFrameSurface[surfIndex].OsResource;
74                 surfCount++;
75             }
76             surfIndex++;
77         }
78 
79         if (picParams.key_frame)  // reference surface should be nullptr when key_frame == true
80         {
81             m_basicFeature->m_LastRefSurface   = nullptr;
82             m_basicFeature->m_GoldenRefSurface = nullptr;
83             m_basicFeature->m_AltRefSurface    = nullptr;
84         }
85         else
86         {
87             if((Mos_ResourceIsNull(&m_vp8RefList[picParams.ucLastRefPicIndex]->resRefPic)) && (m_basicFeature->m_LastRefSurface))
88             {
89                 m_vp8RefList[picParams.ucLastRefPicIndex]->resRefPic = *(m_basicFeature->m_LastRefSurface);
90             }
91             else
92             {
93                 m_basicFeature->m_LastRefSurface = &(m_vp8RefList[picParams.ucLastRefPicIndex]->resRefPic);
94             }
95             if((Mos_ResourceIsNull(&m_vp8RefList[picParams.ucGoldenRefPicIndex]->resRefPic)) && (m_basicFeature->m_GoldenRefSurface))
96             {
97                 m_vp8RefList[picParams.ucGoldenRefPicIndex]->resRefPic = *(m_basicFeature->m_GoldenRefSurface);
98             }
99             else
100             {
101                 m_basicFeature->m_GoldenRefSurface = &(m_vp8RefList[picParams.ucGoldenRefPicIndex]->resRefPic);
102             }
103             if((Mos_ResourceIsNull(&m_vp8RefList[picParams.ucAltRefPicIndex]->resRefPic)) && (m_basicFeature->m_AltRefSurface))
104             {
105                 m_vp8RefList[picParams.ucAltRefPicIndex]->resRefPic = *(m_basicFeature->m_AltRefSurface);
106             }
107             else
108             {
109                 m_basicFeature->m_AltRefSurface = &(m_vp8RefList[picParams.ucAltRefPicIndex]->resRefPic);
110             }
111         }
112         return MOS_STATUS_SUCCESS;
113     }
114 
UpdateCurFrame(const CODEC_VP8_PIC_PARAMS & picParams)115     MOS_STATUS Vp8ReferenceFrames::UpdateCurFrame(const CODEC_VP8_PIC_PARAMS &picParams)
116     {
117         DECODE_FUNC_CALL();
118 
119         DECODE_CHK_COND(picParams.CurrPic.FrameIdx >= CODECHAL_NUM_UNCOMPRESSED_SURFACE_VP8,
120                         "Invalid frame index of current frame");
121 
122         m_currRefList = m_vp8RefList[picParams.CurrPic.FrameIdx];
123 
124         m_currRefList->RefPic       = picParams.CurrPic;
125         m_currRefList->resRefPic    = m_basicFeature->m_destSurface.OsResource;
126 
127         return MOS_STATUS_SUCCESS;
128     }
129 
130 }  // namespace decode
131