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* Copyright (c) 2021-2024, Intel Corporation
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*
* The above copyright notice and this permission notice shall be included
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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*/
//!
//! \file     decode_mpeg2_pipeline_xe2_lpm_base.cpp
//! \brief    Defines the interface for mpeg2 decode pipeline
//!

#include "decode_mpeg2_pipeline_xe2_lpm_base.h"
#include "decode_utils.h"
#include "decode_mpeg2_mem_compression_xe2_lpm_base.h"
#include "decode_mpeg2_packet_xe2_lpm_base.h"
#include "decode_mpeg2_picture_packet_xe2_lpm_base.h"
#include "decode_mpeg2_slice_packet_xe2_lpm_base.h"
#include "decode_mpeg2_mb_packet_xe2_lpm_base.h"
#include "decode_common_feature_defs.h"

namespace decode
{
    Mpeg2PipelineXe2_Lpm_Base::Mpeg2PipelineXe2_Lpm_Base(
        CodechalHwInterfaceNext *   hwInterface,
        CodechalDebugInterface *debugInterface)
        : Mpeg2Pipeline(hwInterface, debugInterface)
    {

    }
    
    MOS_STATUS Mpeg2PipelineXe2_Lpm_Base::Init(void *settings)
    {
        DECODE_FUNC_CALL();

        DECODE_CHK_NULL(settings);
        DECODE_CHK_STATUS(Initialize(settings));

        m_mpeg2DecodePkt = MOS_New(Mpeg2DecodePktXe2_Lpm_Base, this, m_task, m_hwInterface);
        DECODE_CHK_STATUS(RegisterPacket(DecodePacketId(this, mpeg2DecodePacketId), m_mpeg2DecodePkt));
        DECODE_CHK_STATUS(m_mpeg2DecodePkt->Init());

        return MOS_STATUS_SUCCESS;
    }

    MOS_STATUS Mpeg2PipelineXe2_Lpm_Base::GetStatusReport(void *status, uint16_t numStatus)
    {
        DECODE_FUNC_CALL();

        m_statusReport->GetReport(numStatus, status);

        return MOS_STATUS_SUCCESS;
    }

    uint32_t Mpeg2PipelineXe2_Lpm_Base::GetCompletedReport()
    {
        DECODE_FUNC_CALL();

        uint32_t completedCount = m_statusReport->GetCompletedCount();
        uint32_t reportedCount  = m_statusReport->GetReportedCount();

        if (reportedCount > completedCount)
        {
            DECODE_ASSERTMESSAGE("No report available at all");
            return 0;
        }
        else
        {
            uint32_t availableCount = completedCount - reportedCount;
            return availableCount;
        }
    }

    MOS_STATUS Mpeg2PipelineXe2_Lpm_Base::Destroy()
    {
        DECODE_FUNC_CALL();

        Uninitialize();

        return MOS_STATUS_SUCCESS;
    }

    MOS_STATUS Mpeg2PipelineXe2_Lpm_Base::Initialize(void *settings)
    {
        DECODE_FUNC_CALL();

        DECODE_CHK_STATUS(Mpeg2Pipeline::Initialize(settings));
#ifdef _MMC_SUPPORTED
        DECODE_CHK_STATUS(InitMmcState());
#endif

        return MOS_STATUS_SUCCESS;
    }

    MOS_STATUS Mpeg2PipelineXe2_Lpm_Base::CreateSubPackets(DecodeSubPacketManager &subPacketManager, CodechalSetting &codecSettings)
    {
        DECODE_CHK_STATUS(Mpeg2Pipeline::CreateSubPackets(subPacketManager, codecSettings));

        Mpeg2DecodePicPktXe2_Lpm_Base *pictureDecodePkt = MOS_New(Mpeg2DecodePicPktXe2_Lpm_Base, this, m_hwInterface);
        DECODE_CHK_NULL(pictureDecodePkt);
        DECODE_CHK_STATUS(subPacketManager.Register(
            DecodePacketId(this, mpeg2PictureSubPacketId), *pictureDecodePkt));

        if (codecSettings.mode == CODECHAL_DECODE_MODE_MPEG2VLD)
        {
            Mpeg2DecodeSlcPktXe2_Lpm_Base *sliceDecodePkt = MOS_New(Mpeg2DecodeSlcPktXe2_Lpm_Base, this, m_hwInterface);
            DECODE_CHK_NULL(sliceDecodePkt);
            DECODE_CHK_STATUS(subPacketManager.Register(
                DecodePacketId(this, mpeg2SliceSubPacketId), *sliceDecodePkt));
        }
        else
        {
            Mpeg2DecodeMbPktXe2_Lpm_Base *mbDecodePkt = MOS_New(Mpeg2DecodeMbPktXe2_Lpm_Base, this, m_hwInterface);
            DECODE_CHK_NULL(mbDecodePkt);
            DECODE_CHK_STATUS(subPacketManager.Register(
                DecodePacketId(this, mpeg2MbSubPacketId), *mbDecodePkt));
        }

        return MOS_STATUS_SUCCESS;
    }

    MOS_STATUS Mpeg2PipelineXe2_Lpm_Base::Uninitialize()
    {
        DECODE_FUNC_CALL();

        for (auto pair : m_packetList)
        {
            pair.second->Destroy();
        }

        if (m_mmcState != nullptr)
        {
            MOS_Delete(m_mmcState);
        }

        return DecodePipeline::Uninitialize();
    }

    MOS_STATUS Mpeg2PipelineXe2_Lpm_Base::InitContext()
    {
        DECODE_FUNC_CALL();

        DecodeScalabilityPars scalPars;
        MOS_ZeroMemory(&scalPars, sizeof(scalPars));
        scalPars.disableScalability = true;
        scalPars.disableRealTile    = true;
        scalPars.enableVE           = MOS_VE_SUPPORTED(m_osInterface);
        scalPars.numVdbox           = m_numVdbox;
        m_mediaContext->SwitchContext(VdboxDecodeFunc, &scalPars, &m_scalability);
        DECODE_CHK_NULL(m_scalability);

        return MOS_STATUS_SUCCESS;
    }

    MOS_STATUS Mpeg2PipelineXe2_Lpm_Base::Prepare(void *params)
    {
        DecodePipelineParams *pipelineParams = (DecodePipelineParams *)params;
        m_pipeMode                           = pipelineParams->m_pipeMode;

        PERF_UTILITY_AUTO((__FUNCTION__ + std::to_string((int)m_pipeMode)).c_str(), PERF_DECODE, PERF_LEVEL_HAL);

        if (m_pipeMode == decodePipeModeProcess)
        {
            DECODE_CHK_STATUS(Mpeg2Pipeline::Prepare(params));
        }

        DECODE_CHK_STATUS(m_preSubPipeline->Prepare(*pipelineParams));
        DECODE_CHK_STATUS(m_postSubPipeline->Prepare(*pipelineParams));

        if (IsFirstProcessPipe(*pipelineParams))
        {
            CODECHAL_DEBUG_TOOL(DECODE_CHK_STATUS(DumpParams(*m_basicFeature)));
            DecodeStatusParameters inputParameters = {};
            MOS_ZeroMemory(&inputParameters, sizeof(DecodeStatusParameters));
            inputParameters.statusReportFeedbackNumber = m_basicFeature->m_mpeg2PicParams->m_statusReportFeedbackNumber;
            inputParameters.codecFunction              = m_basicFeature->m_codecFunction;
            inputParameters.picWidthInMb               = m_basicFeature->m_picWidthInMb;
            inputParameters.pictureCodingType          = m_basicFeature->m_pictureCodingType;
            inputParameters.currOriginalPic            = m_basicFeature->m_curRenderPic;
            inputParameters.currDecodedPicRes          = m_basicFeature->m_destSurface.OsResource;
            inputParameters.numUsedVdbox               = m_numVdbox;

            m_statusReport->Init(&inputParameters);
        }

        return MOS_STATUS_SUCCESS;
    }

    MOS_STATUS Mpeg2PipelineXe2_Lpm_Base::Execute()
    {
        DECODE_FUNC_CALL();

        PERF_UTILITY_AUTO((__FUNCTION__ + std::to_string((int)m_pipeMode)).c_str(), PERF_DECODE, PERF_LEVEL_HAL);

        if (m_pipeMode == decodePipeModeProcess)
        {
            DECODE_CHK_STATUS(m_preSubPipeline->Execute());

            if (!m_basicFeature->m_incompletePicture)
            {
                DECODE_CHK_STATUS(InitContext());
                DECODE_CHK_STATUS(CopyDummyBitstream());
                DECODE_CHK_STATUS(ActivateDecodePackets());
                DECODE_CHK_STATUS(ExecuteActivePackets());

#if (_DEBUG || _RELEASE_INTERNAL)
                DECODE_CHK_STATUS(StatusCheck());
#ifdef _MMC_SUPPORTED
                if (m_mmcState != nullptr)
                {
                    m_mmcState->ReportSurfaceMmcMode(&(m_basicFeature->m_destSurface));
                }
#endif
#endif

                // Only update user features for the first frame.
                if (m_basicFeature->m_frameNum == 0)
                {
                    DECODE_CHK_STATUS(UserFeatureReport());
                }

                if (m_basicFeature->m_secondField || CodecHal_PictureIsFrame(m_basicFeature->m_curRenderPic))
                {
                    DecodeFrameIndex++;
                    m_basicFeature->m_frameNum = DecodeFrameIndex;
                }

                DECODE_CHK_STATUS(m_statusReport->Reset());
            }
            DECODE_CHK_STATUS(m_postSubPipeline->Execute());
        }
        else if (m_pipeMode == decodePipeModeEnd)
        {
            if (m_basicFeature->m_incompletePicture)
            {
                // Insert phantom slices in EndFrame call if it is still an incomplete
                // picture and submit mpeg2 decode command buffer at this time.
                DECODE_CHK_STATUS(CopyDummyBitstream());
                DECODE_CHK_STATUS(ActivateDecodePackets());
                DECODE_CHK_STATUS(ExecuteActivePackets());

                // Only update user features for the first frame.
                if (m_basicFeature->m_frameNum == 0)
                {
                    DECODE_CHK_STATUS(UserFeatureReport());
                }

                if (m_basicFeature->m_secondField || CodecHal_PictureIsFrame(m_basicFeature->m_curRenderPic))
                {
                    DecodeFrameIndex++;
                    m_basicFeature->m_frameNum = DecodeFrameIndex;
                }

                DECODE_CHK_STATUS(m_statusReport->Reset());
            }
        }

        return MOS_STATUS_SUCCESS;
    }

#ifdef _MMC_SUPPORTED
    MOS_STATUS Mpeg2PipelineXe2_Lpm_Base::InitMmcState()
    {
        DECODE_FUNC_CALL();

        m_mmcState = MOS_New(Mpeg2DecodeMemCompXe2_Lpm_Base, m_hwInterface);
        DECODE_CHK_NULL(m_mmcState);
        DECODE_CHK_STATUS(m_basicFeature->SetMmcState(m_mmcState->IsMmcEnabled()));

        return MOS_STATUS_SUCCESS;
    }
#endif

    MOS_STATUS Mpeg2PipelineXe2_Lpm_Base::UserFeatureReport()
    {
        DECODE_FUNC_CALL();
        return Mpeg2Pipeline::UserFeatureReport();
    }

#if USE_CODECHAL_DEBUG_TOOL
MOS_STATUS Mpeg2PipelineXe2_Lpm_Base::DumpParams(Mpeg2BasicFeature &basicFeature)
{
    m_debugInterface->m_frameType          = basicFeature.m_pictureCodingType;
    m_debugInterface->m_currPic            = basicFeature.m_curRenderPic;
    m_debugInterface->m_secondField        = basicFeature.m_secondField;
    m_debugInterface->m_bufferDumpFrameNum = basicFeature.m_frameNum;
    
    DECODE_CHK_STATUS(DumpPicParams(basicFeature.m_mpeg2PicParams));
    DECODE_CHK_STATUS(DumpSliceParams(basicFeature.m_mpeg2SliceParams, basicFeature.m_numSlices));
    DECODE_CHK_STATUS(DumpMbParams(basicFeature.m_mpeg2MbParams, basicFeature.m_numMacroblocks));
    DECODE_CHK_STATUS(DumpIQParams(basicFeature.m_mpeg2IqMatrixBuffer));
    DECODE_CHK_STATUS(DumpBitstream(&basicFeature.m_resDataBuffer.OsResource, basicFeature.m_dataSize, 0));
    
    return MOS_STATUS_SUCCESS;
}
# endif

} //  namespace decode
