/*############################################################################
  # Copyright (C) 2005 Intel Corporation
  #
  # SPDX-License-Identifier: MIT
  ############################################################################*/

#ifndef __PIPELINE_DECODE_H__
#define __PIPELINE_DECODE_H__

#include "sample_defs.h"

#if D3D_SURFACES_SUPPORT
    #pragma warning(disable : 4201)
    #include <d3d9.h>
    #include <dxva2api.h>
#endif

#include <memory>
#include <vector>
#include "decode_render.h"
#include "hw_device.h"
#include "mfx_buffering.h"

#include "base_allocator.h"
#include "sample_utils.h"
#include "vpl_implementation_loader.h"

#include "mfxplugin.h"
#include "vpl/mfxdispatcher.h"
#include "vpl/mfxjpeg.h"
#include "vpl/mfxmvc.h"
#include "vpl/mfxvideo++.h"
#include "vpl/mfxvideo.h"
#include "vpl/mfxvp8.h"

#include "general_allocator.h"

#if defined(_WIN64) || defined(_WIN32)
    #include "vpl/mfxadapter.h"
#endif

#ifndef MFX_VERSION
    #error MFX_VERSION not defined
#endif

enum MemType {
    SYSTEM_MEMORY = 0x01,
    D3D9_MEMORY   = 0x02,
    D3D11_MEMORY  = 0x03,
};

enum eWorkMode { MODE_PERFORMANCE, MODE_RENDERING, MODE_FILE_DUMP };

enum eDecoderPostProc { MODE_DECODER_POSTPROC_AUTO = 0x1, MODE_DECODER_POSTPROC_FORCE = 0x2 };

// the default api version is the latest one
// it is located at 0
enum eAPIVersion { API_2X, API_1X };

struct sInputParams {
    mfxU32 videoType;
    eWorkMode mode;
    MemType memType;
    mfxAccelerationMode accelerationMode;
    bool bUseHWLib; // true if application wants to use HW mfx library
    bool bIsMVC; // true if Multi-View Codec is in use
    bool bLowLat; // low latency mode
    bool bCalLat; // latency calculation
    bool bUseFullColorRange; //whether to use full color range
    mfxU16 nMaxFPS; // limits overall fps
    mfxU32 nWallCell;
    mfxU32 nWallW; //number of windows located in each row
    mfxU32 nWallH; //number of windows located in each column
    mfxU32 nWallMonitor; //monitor id, 0,1,.. etc
    bool bWallNoTitle; //whether to show title for each window with fps value
    mfxU16 nDecoderPostProcessing;
    mfxU32 numViews; // number of views for Multi-View Codec
    mfxU32 nRotation; // rotation for Motion JPEG Codec
    mfxU16 nAsyncDepth; // asyncronous queue
    mfxU16 nTimeout; // timeout in seconds
    mfxU16 gpuCopy; // GPU Copy mode (three-state option)
    bool bSoftRobustFlag;
    mfxU16 nThreadsNum;
    mfxI32 SchedulingType;
    mfxI32 Priority;

    mfxU16 Width;
    mfxU16 Height;

    mfxU32 fourcc;
    mfxU16 chromaType;
    mfxU32 nFrames;
    mfxU16 eDeinterlace;
    mfxU16 ScalingMode;
    bool outI420;

    bool bPerfMode;
    bool bRenderWin;
    mfxU32 nRenderWinX;
    mfxU32 nRenderWinY;
    bool bErrorReport;

    mfxI32 monitorType;
#if defined(LIBVA_SUPPORT)
    mfxI32 libvaBackend;
#endif // defined(MFX_LIBVA_SUPPORT)
#if defined(LINUX32) || defined(LINUX64)
    std::string strDevicePath;
#endif
#if (defined(_WIN64) || defined(_WIN32)) && (MFX_VERSION >= 1031)
    bool bPrefferdGfx;
    bool bPrefferiGfx;
#endif
// Extended device ID info, available in 2.6 and newer APIs
#if (defined(_WIN64) || defined(_WIN32))
    LUID luid;
#else
    mfxU32 DRMRenderNodeNum = 0;
#endif
    mfxU32 PCIDomain    = 0;
    mfxU32 PCIBus       = 0;
    mfxU32 PCIDevice    = 0;
    mfxU32 PCIFunction  = 0;
    bool PCIDeviceSetup = false;

    mfxU16 adapterType;
    mfxI32 dGfxIdx;
    mfxI32 adapterNum;
    bool dispFullSearch;

    bool bIgnoreLevelConstrain;

    msdk_char strSrcFile[MSDK_MAX_FILENAME_LEN];
    msdk_char strDstFile[MSDK_MAX_FILENAME_LEN];

    bool bDisableFilmGrain;
    eAPIVersion verSessionInit;
};

struct CPipelineStatistics {
    CPipelineStatistics()
            : m_input_count(0),
              m_output_count(0),
              m_synced_count(0),
              m_tick_overall(0),
              m_tick_fread(0),
              m_tick_fwrite(0),
              m_timer_overall(m_tick_overall) {}
    virtual ~CPipelineStatistics() {}

    mfxU32 m_input_count; // number of received incoming packets (frames or bitstreams)
    mfxU32 m_output_count; // number of delivered outgoing packets (frames or bitstreams)
    mfxU32 m_synced_count;

    msdk_tick m_tick_overall; // overall time passed during processing
    msdk_tick m_tick_fread; // part of tick_overall: time spent to receive incoming data
    msdk_tick m_tick_fwrite; // part of tick_overall: time spent to deliver outgoing data

    CAutoTimer m_timer_overall; // timer which corresponds to m_tick_overall

private:
    CPipelineStatistics(const CPipelineStatistics&);
    void operator=(const CPipelineStatistics&);
};

class CDecodingPipeline : public CBuffering, public CPipelineStatistics {
public:
    CDecodingPipeline();
    virtual ~CDecodingPipeline();

    virtual mfxStatus Init(sInputParams* pParams);
    virtual mfxStatus RunDecoding();
    virtual void Close();
    virtual mfxStatus ResetDecoder(sInputParams* pParams);
    virtual mfxStatus ResetDevice();

    void SetMultiView();
    virtual void PrintInfo();
    mfxU64 GetTotalBytesProcessed() {
        return totalBytesProcessed + m_mfxBS.DataOffset;
    }

    inline void PrintDecodeErrorReport(mfxExtDecodeErrorReport* pDecodeErrorReport) {
        if (pDecodeErrorReport) {
            if (pDecodeErrorReport->ErrorTypes & MFX_ERROR_SPS)
                msdk_printf(MSDK_STRING("[Error] SPS Error detected!\n"));

            if (pDecodeErrorReport->ErrorTypes & MFX_ERROR_PPS)
                msdk_printf(MSDK_STRING("[Error] PPS Error detected!\n"));

            if (pDecodeErrorReport->ErrorTypes & MFX_ERROR_SLICEHEADER)
                msdk_printf(MSDK_STRING("[Error] SliceHeader Error detected!\n"));

            if (pDecodeErrorReport->ErrorTypes & MFX_ERROR_FRAME_GAP)
                msdk_printf(MSDK_STRING("[Error] Frame Gap Error detected!\n"));
        }
    }

protected: // functions
#if (defined(_WIN64) || defined(_WIN32)) && (MFX_VERSION >= 1031)
    mfxU32 GetPreferredAdapterNum(const mfxAdaptersInfo& adapters, const sInputParams& params);
#endif
    mfxStatus GetImpl(const sInputParams& params, mfxIMPL& impl);
    virtual mfxStatus CreateRenderingWindow(sInputParams* pParams);
    virtual mfxStatus InitMfxParams(sInputParams* pParams);

    virtual mfxStatus AllocateExtMVCBuffers();

    virtual void DeallocateExtMVCBuffers();

    virtual mfxStatus InitVppParams();
    virtual mfxStatus InitVppFilters();
    virtual bool IsVppRequired(sInputParams* pParams);

    virtual mfxStatus CreateAllocator();
    virtual mfxStatus CreateHWDevice();
    virtual mfxStatus AllocFrames();
    virtual void DeleteFrames();
    virtual void DeleteAllocator();

    /** \brief Performs SyncOperation on the current output surface with the specified timeout.
     *
     * @return MFX_ERR_NONE Output surface was successfully synced and delivered.
     * @return MFX_ERR_MORE_DATA Array of output surfaces is empty, need to feed decoder.
     * @return MFX_WRN_IN_EXECUTION Specified timeout have elapsed.
     * @return MFX_ERR_UNKNOWN An error has occurred.
     */
    virtual mfxStatus SyncOutputSurface(mfxU32 wait);
    virtual mfxStatus DeliverOutput(mfxFrameSurface1* frame);
    virtual void PrintPerFrameStat(bool force = false);

    virtual void DeliverLoop();

    virtual mfxStatus ReallocCurrentSurface(const mfxFrameInfo& info);

protected: // variables
    CSmplYUVWriter m_FileWriter;
    std::unique_ptr<CSmplBitstreamReader> m_FileReader;
    mfxBitstreamWrapper m_mfxBS; // contains encoded data
    mfxU64 totalBytesProcessed;

    std::unique_ptr<VPLImplementationLoader> m_pLoader;
    MainVideoSession m_mfxSession;
    mfxIMPL m_impl;
    MFXVideoDECODE* m_pmfxDEC;
    MFXVideoVPP* m_pmfxVPP;
    MfxVideoParamsWrapper m_mfxVideoParams;
    MfxVideoParamsWrapper m_mfxVppVideoParams;

    GeneralAllocator* m_pGeneralAllocator;
    mfxAllocatorParams* m_pmfxAllocatorParams;
    MemType m_memType; // memory type of surfaces to use
    bool m_bExternalAlloc; // use memory allocator as external for Media SDK
    bool m_bDecOutSysmem; // use system memory between Decoder and VPP, if false - video memory
    mfxFrameAllocResponse m_mfxResponse; // memory allocation response for decoder
    mfxFrameAllocResponse m_mfxVppResponse; // memory allocation response for vpp

    msdkFrameSurface* m_pCurrentFreeSurface; // surface detached from free surfaces array
    msdkFrameSurface* m_pCurrentFreeVppSurface; // VPP surface detached from free VPP surfaces array
    msdkOutputSurface*
        m_pCurrentFreeOutputSurface; // surface detached from free output surfaces array
    msdkOutputSurface* m_pCurrentOutputSurface; // surface detached from output surfaces array

    MSDKSemaphore* m_pDeliverOutputSemaphore; // to access to DeliverOutput method
    MSDKEvent* m_pDeliveredEvent; // to signal when output surfaces will be processed
    mfxStatus m_error; // error returned by DeliverOutput method
    bool m_bStopDeliverLoop;

    eWorkMode m_eWorkMode; // work mode for the pipeline
    bool m_bIsMVC; // enables MVC mode (need to support several files as an output)
    bool m_bIsVideoWall; // indicates special mode: decoding will be done in a loop
    bool m_bIsCompleteFrame;
    mfxU32 m_fourcc; // color format of vpp out, i420 by default
    bool m_bPrintLatency;
    bool m_bOutI420;

    mfxU16 m_vppOutWidth;
    mfxU16 m_vppOutHeight;

    mfxU32 m_nTimeout; // enables timeout for video playback, measured in seconds
    mfxU16 m_nMaxFps; // limit of fps, if isn't specified equal 0.
    mfxU32 m_nFrames; //limit number of output frames

    mfxU16 m_diMode;
    bool m_bVppIsUsed;
    bool m_bVppFullColorRange;
    bool m_bSoftRobustFlag;
    std::vector<msdk_tick> m_vLatency;

    FPSLimiter m_fpsLimiter;

    mfxExtVPPVideoSignalInfo m_VppVideoSignalInfo;
    std::vector<mfxExtBuffer*> m_VppSurfaceExtParams;

#if defined(LINUX32) || defined(LINUX64)
    std::string m_strDevicePath; //path to device for processing
#endif
    CHWDevice* m_hwdev;
#if D3D_SURFACES_SUPPORT
    CDecodeD3DRender m_d3dRender;
#endif

    bool m_bRenderWin;
    mfxU32 m_nRenderWinX;
    mfxU32 m_nRenderWinY;
    mfxU32 m_nRenderWinW;
    mfxU32 m_nRenderWinH;

    mfxU32 m_export_mode;
    mfxI32 m_monitorType;
#if defined(LIBVA_SUPPORT)
    mfxI32 m_libvaBackend;
    bool m_bPerfMode;
#endif // defined(MFX_LIBVA_SUPPORT)

    bool m_bResetFileWriter;
    bool m_bResetFileReader;

    eAPIVersion m_verSessionInit;

private:
    CDecodingPipeline(const CDecodingPipeline&);
    void operator=(const CDecodingPipeline&);
};

#endif // __PIPELINE_DECODE_H__
