1 /*
2 * Copyright (c) 2021-2022, Intel Corporation
3 *
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5 * copy of this software and associated documentation files (the "Software"),
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8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included
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13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
15 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 */
22 //!
23 //! \file     decode_mpeg2_slice_packet.h
24 //! \brief    Defines the implementation of mpeg2 decode slice packet
25 //!
26 
27 #ifndef __DECODE_MPEG2_SLICE_PACKET_H__
28 #define __DECODE_MPEG2_SLICE_PACKET_H__
29 
30 #include "media_cmd_packet.h"
31 #include "decode_mpeg2_pipeline.h"
32 #include "decode_utils.h"
33 #include "decode_mpeg2_basic_feature.h"
34 #include "mhw_vdbox_mfx_itf.h"
35 
36 using namespace mhw::vdbox::mfx;
37 
38 namespace decode
39 {
40 
41 class Mpeg2DecodeSlcPkt : public DecodeSubPacket, public Itf::ParSetting
42 {
43 public:
Mpeg2DecodeSlcPkt(Mpeg2Pipeline * pipeline,CodechalHwInterfaceNext * hwInterface)44     Mpeg2DecodeSlcPkt(Mpeg2Pipeline *pipeline, CodechalHwInterfaceNext *hwInterface)
45         : DecodeSubPacket(pipeline, hwInterface), m_mpeg2Pipeline(pipeline)
46     {
47         if (m_hwInterface != nullptr)
48         {
49             m_mfxItf = std::static_pointer_cast<Itf>(m_hwInterface->GetMfxInterfaceNext());
50             m_miItf        = std::static_pointer_cast<mhw::mi::Itf>(hwInterface->GetMiInterfaceNext());
51         }
52     }
~Mpeg2DecodeSlcPkt()53     virtual ~Mpeg2DecodeSlcPkt(){};
54 
55     //!
56     //! \brief  Initialize the media packet, allocate required resources
57     //! \return MOS_STATUS
58     //!         MOS_STATUS_SUCCESS if success, else fail reason
59     //!
60     virtual MOS_STATUS Init() override;
61 
62     //!
63     //! \brief  Prepare interal parameters, should be invoked for each frame
64     //! \return MOS_STATUS
65     //!         MOS_STATUS_SUCCESS if success, else fail reason
66     //!
67     virtual MOS_STATUS Prepare() override;
68 
69     //!
70     //! \brief  Execute mpeg2 slice packet
71     //! \return MOS_STATUS
72     //!         MOS_STATUS_SUCCESS if success, else fail reason
73     //!
74     virtual MOS_STATUS Execute(MHW_BATCH_BUFFER& batchBuffer, uint16_t slcIdx) = 0;
75 
76     //!
77     //! \brief  Calculate Command Size
78     //!
79     //! \param  [in, out] commandBufferSize
80     //!         requested size
81     //! \param  [in, out] requestedPatchListSize
82     //!         requested size
83     //! \return MOS_STATUS
84     //!         status
85     //!
86     MOS_STATUS CalculateCommandSize(
87         uint32_t &commandBufferSize,
88         uint32_t &requestedPatchListSize) override;
89 
90 protected:
91 
92     //!
93     //! \brief  Calculate slice level command Buffer Size
94     //!
95     //! \return uint32_t
96     //!         Command buffer size calculated
97     //!
98     virtual MOS_STATUS CalculateSliceStateCommandSize();
99 
100     MOS_STATUS AddCmd_MFD_MPEG2_BSD_OBJECT(MHW_BATCH_BUFFER &batchBuffer, uint16_t slcIdx);
101     MOS_STATUS AddAllCmdsInsertDummySlice(MHW_BATCH_BUFFER &batchBuffer, uint16_t startMB, uint16_t endMB);
102 
103     Mpeg2Pipeline               *m_mpeg2Pipeline     = nullptr;
104     Mpeg2BasicFeature           *m_mpeg2BasicFeature = nullptr;
105     DecodeAllocator             *m_allocator         = nullptr;
106     std::shared_ptr<Itf>         m_mfxItf            = nullptr;
107 
108     // Parameters passed from application
109     CodecDecodeMpeg2PicParams   *m_mpeg2PicParams    = nullptr;      //!< Pointer to MPEG2 picture parameter
110 
111     uint32_t m_sliceStatesSize      = 0;  //!< Slice state command size
112     uint32_t m_slicePatchListSize   = 0;  //!< Slice patch list size
113 
114 MEDIA_CLASS_DEFINE_END(decode__Mpeg2DecodeSlcPkt)
115 };
116 
117 }  // namespace decode
118 #endif
119