extern "C" {
#include "codec.h"
#include "common/library.h"
#include "common/windows/com.h"
#include "common/windows/unicode.h"
#include "common/windows/nt.h"
}

#include <d3d11.h>
#include <d3d12.h>
#include <dxgi.h>
#include <initguid.h>
#include <dxva.h>
#include <d3d12video.h>
#include <mfapi.h>

typedef struct D3D12_FEATURE_DATA_VIDEO_ENCODER_CODEC {
    UINT NodeIndex;
    D3D12_VIDEO_ENCODER_CODEC Codec;
    BOOL IsSupported;
} D3D12_FEATURE_DATA_VIDEO_ENCODER_CODEC;

HRESULT MFTEnum2(
    _In_ GUID guidCategory,
    _In_ UINT32 Flags,
    _In_ const MFT_REGISTER_TYPE_INFO* pInputType,
    _In_ const MFT_REGISTER_TYPE_INFO* pOutputType,
    _In_opt_ IMFAttributes* pAttributes,
    _Out_ IMFActivate*** pppMFTActivate,
    _Out_ UINT32* pnumMFTActivate);

// clang-format off
#ifndef MFT_ENUM_ADAPTER_LUID
// {1D39518C-E220-4DA8-A07F-BA172552D6B1}
DEFINE_GUID(MFT_ENUM_ADAPTER_LUID,
    0x1d39518c, 0xe220, 0x4da8, 0xa0, 0x7f, 0xba, 0x17, 0x25, 0x52, 0xd6, 0xb1);
#endif
// clang-format on

static const DXGI_FORMAT FF_NATIVE_CODEC_FORMATS[] = {
    DXGI_FORMAT_420_OPAQUE,
    DXGI_FORMAT_NV12,
    DXGI_FORMAT_P010,
    DXGI_FORMAT_P016,
    DXGI_FORMAT_YUY2,
    DXGI_FORMAT_Y210,
    DXGI_FORMAT_Y216,
    DXGI_FORMAT_AYUV,
    DXGI_FORMAT_Y410,
    DXGI_FORMAT_Y416,
};

static FFCodecType ffCodecProfileToTypeDx11(const GUID& profile) {
    // clang-format off
    if (IsEqualGUID(profile, DXVA_ModeH261_A) ||
        IsEqualGUID(profile, DXVA_ModeH261_B)) {
        return FF_CODEC_TYPE_H261;
    }

    if (IsEqualGUID(profile, DXVA_ModeH263_A) ||
        IsEqualGUID(profile, DXVA_ModeH263_B) ||
        IsEqualGUID(profile, DXVA_ModeH263_C) ||
        IsEqualGUID(profile, DXVA_ModeH263_D) ||
        IsEqualGUID(profile, DXVA_ModeH263_E) ||
        IsEqualGUID(profile, DXVA_ModeH263_F)) {
        return FF_CODEC_TYPE_H263;
    }

    if (IsEqualGUID(profile, DXVA_ModeMJPEG_VLD_420) ||
        IsEqualGUID(profile, DXVA_ModeMJPEG_VLD_422) ||
        IsEqualGUID(profile, DXVA_ModeMJPEG_VLD_444) ||
        IsEqualGUID(profile, DXVA_ModeMJPEG_VLD_4444) ||
        IsEqualGUID(profile, DXVA_ModeJPEG_VLD_420) ||
        IsEqualGUID(profile, DXVA_ModeJPEG_VLD_422) ||
        IsEqualGUID(profile, DXVA_ModeJPEG_VLD_444)) {
        return FF_CODEC_TYPE_MJPEG;
    }

    if (IsEqualGUID(profile, DXVA_ModeMPEG1_A) ||
        IsEqualGUID(profile, DXVA_ModeMPEG1_VLD)) {
        return FF_CODEC_TYPE_MPEG1;
    }

    if (IsEqualGUID(profile, DXVA_ModeMPEG2_A) ||
        IsEqualGUID(profile, DXVA_ModeMPEG2_B) ||
        IsEqualGUID(profile, DXVA_ModeMPEG2_C) ||
        IsEqualGUID(profile, DXVA_ModeMPEG2_D) ||
        IsEqualGUID(profile, DXVA_ModeMPEG2and1_VLD)) {
        return FF_CODEC_TYPE_MPEG2;
    }

    if (IsEqualGUID(profile, DXVA_ModeMPEG4pt2_VLD_Simple) ||
        IsEqualGUID(profile, DXVA_ModeMPEG4pt2_VLD_AdvSimple_NoGMC) ||
        IsEqualGUID(profile, DXVA_ModeMPEG4pt2_VLD_AdvSimple_GMC)) {
        return FF_CODEC_TYPE_DIVX_XVID;
    }

    if (IsEqualGUID(profile, DXVA_ModeH264_E) ||
        IsEqualGUID(profile, DXVA_ModeH264_F) ||
        IsEqualGUID(profile, DXVA_ModeH264_VLD_WithFMOASO_NoFGT) ||
        IsEqualGUID(profile, DXVA_ModeH264_VLD_Stereo_Progressive_NoFGT) ||
        IsEqualGUID(profile, DXVA_ModeH264_VLD_Stereo_NoFGT) ||
        IsEqualGUID(profile, DXVA_ModeH264_VLD_Multiview_NoFGT)) {
        return FF_CODEC_TYPE_H264;
    }

    if (IsEqualGUID(profile, DXVA_ModeWMV8_A) ||
        IsEqualGUID(profile, DXVA_ModeWMV8_B)) {
        return FF_CODEC_TYPE_WMV8;
    }

    if (IsEqualGUID(profile, DXVA_ModeWMV9_A) ||
        IsEqualGUID(profile, DXVA_ModeWMV9_B) ||
        IsEqualGUID(profile, DXVA_ModeWMV9_C)) {
        return FF_CODEC_TYPE_WMV9;
    }

    if (IsEqualGUID(profile, DXVA_ModeVC1_A) ||
        IsEqualGUID(profile, DXVA_ModeVC1_B) ||
        IsEqualGUID(profile, DXVA_ModeVC1_C) ||
        IsEqualGUID(profile, DXVA_ModeVC1_D) ||
        IsEqualGUID(profile, DXVA_ModeVC1_D2010)) {
        return FF_CODEC_TYPE_VC1;
    }

    if (IsEqualGUID(profile, DXVA_ModeVP8_VLD)) {
        return FF_CODEC_TYPE_VP8;
    }

    if (IsEqualGUID(profile, DXVA_ModeHEVC_VLD_Main) ||
        IsEqualGUID(profile, DXVA_ModeHEVC_VLD_Main10) ||
        IsEqualGUID(profile, DXVA_ModeHEVC_VLD_Main12) ||
        IsEqualGUID(profile, DXVA_ModeHEVC_VLD_Main10_422) ||
        IsEqualGUID(profile, DXVA_ModeHEVC_VLD_Main12_422) ||
        IsEqualGUID(profile, DXVA_ModeHEVC_VLD_Main_444) ||
        IsEqualGUID(profile, DXVA_ModeHEVC_VLD_Main10_Ext) ||
        IsEqualGUID(profile, DXVA_ModeHEVC_VLD_Main10_444) ||
        IsEqualGUID(profile, DXVA_ModeHEVC_VLD_Main12_444) ||
        IsEqualGUID(profile, DXVA_ModeHEVC_VLD_Main16)) {
        return FF_CODEC_TYPE_HEVC;
    }

    if (IsEqualGUID(profile, DXVA_ModeVP9_VLD_Profile0) ||
        IsEqualGUID(profile, DXVA_ModeVP9_VLD_10bit_Profile2)) {
        return FF_CODEC_TYPE_VP9;
    }

    if (IsEqualGUID(profile, DXVA_ModeAV1_VLD_Profile0) ||
        IsEqualGUID(profile, DXVA_ModeAV1_VLD_Profile1) ||
        IsEqualGUID(profile, DXVA_ModeAV1_VLD_Profile2) ||
        IsEqualGUID(profile, DXVA_ModeAV1_VLD_12bit_Profile2) ||
        IsEqualGUID(profile, DXVA_ModeAV1_VLD_12bit_Profile2_420)) {
        return FF_CODEC_TYPE_AV1;
    }
    // clang-format on

    return FF_CODEC_TYPE_UNKNOWN;
}

static FFCodecType ffCodecProfileToTypeDx12(const GUID& profile) {
    // clang-format off
    if (IsEqualGUID(profile, D3D12_VIDEO_DECODE_PROFILE_MPEG1_AND_MPEG2)) {
        return FFCodecType(FF_CODEC_TYPE_MPEG1 | FF_CODEC_TYPE_MPEG2);
    }

    if (IsEqualGUID(profile, D3D12_VIDEO_DECODE_PROFILE_MPEG2)) {
        return FF_CODEC_TYPE_MPEG2;
    }

    if (IsEqualGUID(profile, D3D12_VIDEO_DECODE_PROFILE_MPEG4PT2_SIMPLE) ||
        IsEqualGUID(profile, D3D12_VIDEO_DECODE_PROFILE_MPEG4PT2_ADVSIMPLE_NOGMC)) {
        return FF_CODEC_TYPE_DIVX_XVID;
    }

    if (IsEqualGUID(profile, D3D12_VIDEO_DECODE_PROFILE_H264) ||
        IsEqualGUID(profile, D3D12_VIDEO_DECODE_PROFILE_H264_STEREO_PROGRESSIVE) ||
        IsEqualGUID(profile, D3D12_VIDEO_DECODE_PROFILE_H264_STEREO) ||
        IsEqualGUID(profile, D3D12_VIDEO_DECODE_PROFILE_H264_MULTIVIEW)) {
        return FF_CODEC_TYPE_H264;
    }

    if (IsEqualGUID(profile, D3D12_VIDEO_DECODE_PROFILE_VC1) ||
        IsEqualGUID(profile, D3D12_VIDEO_DECODE_PROFILE_VC1_D2010)) {
        return FF_CODEC_TYPE_VC1;
    }

    if (IsEqualGUID(profile, D3D12_VIDEO_DECODE_PROFILE_VP8)) {
        return FF_CODEC_TYPE_VP8;
    }

    if (IsEqualGUID(profile, D3D12_VIDEO_DECODE_PROFILE_HEVC_MAIN) ||
        IsEqualGUID(profile, D3D12_VIDEO_DECODE_PROFILE_HEVC_MAIN10)) {
        return FF_CODEC_TYPE_HEVC;
    }

    if (IsEqualGUID(profile, D3D12_VIDEO_DECODE_PROFILE_VP9) ||
        IsEqualGUID(profile, D3D12_VIDEO_DECODE_PROFILE_VP9_10BIT_PROFILE2)) {
        return FF_CODEC_TYPE_VP9;
    }

    if (IsEqualGUID(profile, D3D12_VIDEO_DECODE_PROFILE_AV1_PROFILE0) ||
        IsEqualGUID(profile, D3D12_VIDEO_DECODE_PROFILE_AV1_PROFILE1) ||
        IsEqualGUID(profile, D3D12_VIDEO_DECODE_PROFILE_AV1_PROFILE2) ||
        IsEqualGUID(profile, D3D12_VIDEO_DECODE_PROFILE_AV1_12BIT_PROFILE2) ||
        IsEqualGUID(profile, D3D12_VIDEO_DECODE_PROFILE_AV1_12BIT_PROFILE2_420)) {
        return FF_CODEC_TYPE_AV1;
    }
    // clang-format on

    return FF_CODEC_TYPE_UNKNOWN;
}

static bool ffCodecProfileHasNativeOutput(ID3D11VideoDevice* videoDevice, const GUID& profile) {
    for (uint32_t i = 0; i < ARRAY_SIZE(FF_NATIVE_CODEC_FORMATS); ++i) {
        BOOL supported = FALSE;
        if (SUCCEEDED(videoDevice->CheckVideoDecoderFormat(&profile, FF_NATIVE_CODEC_FORMATS[i], &supported)) && supported) {
            return true;
        }
    }

    return false;
}

static bool ffCodecProfileHasNativeOutput(ID3D12VideoDevice* videoDevice, const GUID& profile, UINT nodeIndex) {
    for (uint32_t i = 0; i < ARRAY_SIZE(FF_NATIVE_CODEC_FORMATS); ++i) {
        D3D12_FEATURE_DATA_VIDEO_DECODE_SUPPORT support = {
            .NodeIndex = nodeIndex,
            .Configuration = {
                .DecodeProfile = profile,
                .BitstreamEncryption = D3D12_BITSTREAM_ENCRYPTION_TYPE_NONE,
                .InterlaceType = D3D12_VIDEO_FRAME_CODED_INTERLACE_TYPE_NONE,
            },
            .Width = 1920,
            .Height = 1080,
            .DecodeFormat = FF_NATIVE_CODEC_FORMATS[i],
            .FrameRate = {
                .Numerator = 30,
                .Denominator = 1,
            },
            .BitRate = 10000000,
            .SupportFlags = D3D12_VIDEO_DECODE_SUPPORT_FLAG_NONE,
            .ConfigurationFlags = D3D12_VIDEO_DECODE_CONFIGURATION_FLAG_NONE,
            .DecodeTier = D3D12_VIDEO_DECODE_TIER_NOT_SUPPORTED,
        };

        if (SUCCEEDED(videoDevice->CheckFeatureSupport(D3D12_FEATURE_VIDEO_DECODE_SUPPORT, &support, sizeof(support))) &&
            (support.SupportFlags & D3D12_VIDEO_DECODE_SUPPORT_FLAG_SUPPORTED)) {
            return true;
        }
    }

    return false;
}

static bool ffCodecEncoderSupportedD3d12(ID3D12VideoDevice* videoDevice, D3D12_VIDEO_ENCODER_CODEC codec, UINT nodeIndex) {
    D3D12_FEATURE_DATA_VIDEO_ENCODER_CODEC encoderCodec = {
        .NodeIndex = nodeIndex,
        .Codec = codec,
        .IsSupported = FALSE,
    };

    return SUCCEEDED(videoDevice->CheckFeatureSupport(
               D3D12_FEATURE_VIDEO_ENCODER_CODEC,
               &encoderCodec,
               sizeof(encoderCodec))) &&
        encoderCodec.IsSupported;
}

typedef struct FFCodecMftEncoderSubtype {
    const GUID* subtype;
    FFCodecType codecType;
} FFCodecMftEncoderSubtype;

static const FFCodecMftEncoderSubtype FF_D3D11VA_MFT_ENCODER_SUBTYPES[] = {
    { &MFVideoFormat_H264, FF_CODEC_TYPE_H264 },
    { &MFVideoFormat_HEVC, FF_CODEC_TYPE_HEVC },
    { &MFVideoFormat_AV1, FF_CODEC_TYPE_AV1 },
};

static FFCodecType ffDetectD3d11vaDecoders(IDXGIAdapter1* adapter, __typeof__(&D3D11CreateDevice) ffD3D11CreateDevice) {
    ID3D11Device* FF_AUTO_RELEASE_COM_OBJECT d3dDevice = nullptr;
    D3D_FEATURE_LEVEL featureLevel;
    if (FAILED(ffD3D11CreateDevice(
            adapter,
            D3D_DRIVER_TYPE_UNKNOWN,
            nullptr,
            D3D11_CREATE_DEVICE_VIDEO_SUPPORT,
            nullptr,
            0,
            D3D11_SDK_VERSION,
            &d3dDevice,
            &featureLevel,
            nullptr)) ||
        !d3dDevice) {
        return FF_CODEC_TYPE_NONE;
    }

    ID3D11VideoDevice* FF_AUTO_RELEASE_COM_OBJECT videoDevice = nullptr;
    if (FAILED(d3dDevice->QueryInterface(__uuidof(ID3D11VideoDevice), (void**) &videoDevice)) || !videoDevice) {
        return FF_CODEC_TYPE_NONE;
    }

    FFCodecType decoders = FF_CODEC_TYPE_NONE;
    UINT profileCount = videoDevice->GetVideoDecoderProfileCount();
    for (UINT profileIndex = 0; profileIndex < profileCount; ++profileIndex) {
        GUID profile;
        if (FAILED(videoDevice->GetVideoDecoderProfile(profileIndex, &profile))) {
            continue;
        }

        FFCodecType type = ffCodecProfileToTypeDx11(profile);

        if ((decoders & type) || !ffCodecProfileHasNativeOutput(videoDevice, profile)) {
            continue;
        }

        decoders = (FFCodecType) (((uint32_t) decoders) | ((uint32_t) type));
    }
    return decoders;
}

static FFCodecType ffDetectD3d11MftEncoders(const LUID& adapterLuid, __typeof__(&MFCreateAttributes) ffMFCreateAttributes, __typeof__(&MFTEnum2) ffMFTEnum2) {
    IMFAttributes* FF_AUTO_RELEASE_COM_OBJECT attributes = nullptr;
    if (FAILED(ffMFCreateAttributes(&attributes, 1)) || !attributes) {
        return FF_CODEC_TYPE_NONE;
    }

    if (FAILED(attributes->SetBlob(MFT_ENUM_ADAPTER_LUID, (const UINT8*) &adapterLuid, sizeof(adapterLuid)))) {
        return FF_CODEC_TYPE_NONE;
    }

    FFCodecType encoders = FF_CODEC_TYPE_NONE;

    for (uint32_t subtypeIndex = 0; subtypeIndex < ARRAY_SIZE(FF_D3D11VA_MFT_ENCODER_SUBTYPES); ++subtypeIndex) {
        const FFCodecMftEncoderSubtype& subtype = FF_D3D11VA_MFT_ENCODER_SUBTYPES[subtypeIndex];
        if (encoders & subtype.codecType) {
            continue;
        }

        MFT_REGISTER_TYPE_INFO outputType = {
            .guidMajorType = MFMediaType_Video,
            .guidSubtype = *subtype.subtype,
        };

        IMFActivate** activateList = nullptr;
        UINT32 activateCount = 0;

        if (SUCCEEDED(ffMFTEnum2(
                MFT_CATEGORY_VIDEO_ENCODER,
                MFT_ENUM_FLAG_HARDWARE | MFT_ENUM_FLAG_SORTANDFILTER,
                nullptr,
                &outputType,
                attributes,
                &activateList,
                &activateCount)) &&
            activateCount > 0) {
            encoders = (FFCodecType) (((uint32_t) encoders) | ((uint32_t) subtype.codecType));
        }

        for (uint32_t i = 0; i < activateCount; ++i) {
            activateList[i]->Release();
        }
        CoTaskMemFree(activateList);
    }

    return encoders;
}

static FFCodecType ffCodecEncoderToType(D3D12_VIDEO_ENCODER_CODEC codec) {
    switch (codec) {
        case D3D12_VIDEO_ENCODER_CODEC_H264:
            return FF_CODEC_TYPE_H264;
        case D3D12_VIDEO_ENCODER_CODEC_HEVC:
            return FF_CODEC_TYPE_HEVC;
        case D3D12_VIDEO_ENCODER_CODEC_AV1:
            return FF_CODEC_TYPE_AV1;
        default:
            return FF_CODEC_TYPE_UNKNOWN;
    }
}

template <typename Func>
static void ffEnumHardwareAdapters(IDXGIFactory1* factory, Func&& onAdapter) {
    for (UINT adapterIndex = 0;; ++adapterIndex) {
        IDXGIAdapter1* FF_AUTO_RELEASE_COM_OBJECT adapter = nullptr;
        HRESULT adapterStatus = factory->EnumAdapters1(adapterIndex, &adapter);
        if (adapterStatus == DXGI_ERROR_NOT_FOUND) {
            break;
        }
        if (FAILED(adapterStatus) || !adapter) {
            continue;
        }

        DXGI_ADAPTER_DESC1 desc;
        if (FAILED(adapter->GetDesc1(&desc))) {
            continue;
        }
        if (desc.Flags & DXGI_ADAPTER_FLAG_SOFTWARE) {
            continue;
        }

        onAdapter(adapter, desc);
    }
}

const char* detectD3d11va(FFCodecOptions* options, FFlist* result /*list of FFCodecResult*/, IDXGIFactory1* factory) {
    FF_LIBRARY_LOAD_MESSAGE(d3d11, "d3d11" FF_LIBRARY_EXTENSION, 1)
    FF_LIBRARY_LOAD_SYMBOL_MESSAGE(d3d11, D3D11CreateDevice)
    FF_LIBRARY_LOAD_MESSAGE(mfplat, "mfplat" FF_LIBRARY_EXTENSION, 1)
    FF_LIBRARY_LOAD_SYMBOL_MESSAGE(mfplat, MFCreateAttributes)
    FF_LIBRARY_LOAD_SYMBOL_MESSAGE(mfplat, MFTEnum2)

    ffEnumHardwareAdapters(factory, [&](IDXGIAdapter1* adapter, const DXGI_ADAPTER_DESC1& desc) {
        FFCodecType decoders = (options->showType & FF_CODEC_SHOW_TYPE_DECODER)
            ? ffDetectD3d11vaDecoders(adapter, ffD3D11CreateDevice)
            : FF_CODEC_TYPE_NONE;
        FFCodecType encoders = (options->showType & FF_CODEC_SHOW_TYPE_ENCODER)
            ? ffDetectD3d11MftEncoders(desc.AdapterLuid, ffMFCreateAttributes, ffMFTEnum2)
            : FF_CODEC_TYPE_NONE;

        if (decoders == FF_CODEC_TYPE_NONE && encoders == FF_CODEC_TYPE_NONE) {
            return;
        }

        FFCodecResult* gpuResult = FF_LIST_ADD(FFCodecResult, *result);
        ffStrbufInitWS(&gpuResult->gpu, desc.Description);
        gpuResult->decoders = decoders;
        gpuResult->encoders = encoders;
        gpuResult->platformApi = "D3D11VA+MFT";
    });

    return nullptr;
}

const char* detectD3d12va(FFCodecOptions* options, FFlist* result /*list of FFCodecResult*/, IDXGIFactory1* factory) {
    FF_LIBRARY_LOAD_MESSAGE(d3d12, "d3d12" FF_LIBRARY_EXTENSION, 1)
    FF_LIBRARY_LOAD_SYMBOL_MESSAGE(d3d12, D3D12CreateDevice)

    static const GUID FF_D3D12_DECODE_PROFILES[] = {
        D3D12_VIDEO_DECODE_PROFILE_MPEG2,
        D3D12_VIDEO_DECODE_PROFILE_MPEG1_AND_MPEG2,
        D3D12_VIDEO_DECODE_PROFILE_H264,
        D3D12_VIDEO_DECODE_PROFILE_H264_STEREO_PROGRESSIVE,
        D3D12_VIDEO_DECODE_PROFILE_H264_STEREO,
        D3D12_VIDEO_DECODE_PROFILE_H264_MULTIVIEW,
        D3D12_VIDEO_DECODE_PROFILE_VC1,
        D3D12_VIDEO_DECODE_PROFILE_VC1_D2010,
        D3D12_VIDEO_DECODE_PROFILE_MPEG4PT2_SIMPLE,
        D3D12_VIDEO_DECODE_PROFILE_MPEG4PT2_ADVSIMPLE_NOGMC,
        D3D12_VIDEO_DECODE_PROFILE_HEVC_MAIN,
        D3D12_VIDEO_DECODE_PROFILE_HEVC_MAIN10,
        D3D12_VIDEO_DECODE_PROFILE_VP9,
        D3D12_VIDEO_DECODE_PROFILE_VP9_10BIT_PROFILE2,
        D3D12_VIDEO_DECODE_PROFILE_VP8,
        D3D12_VIDEO_DECODE_PROFILE_AV1_PROFILE0,
        D3D12_VIDEO_DECODE_PROFILE_AV1_PROFILE1,
        D3D12_VIDEO_DECODE_PROFILE_AV1_PROFILE2,
        D3D12_VIDEO_DECODE_PROFILE_AV1_12BIT_PROFILE2,
        D3D12_VIDEO_DECODE_PROFILE_AV1_12BIT_PROFILE2_420,
    };

    static const D3D12_VIDEO_ENCODER_CODEC FF_D3D12_ENCODER_CODECS[] = {
        D3D12_VIDEO_ENCODER_CODEC_H264,
        D3D12_VIDEO_ENCODER_CODEC_HEVC,
        D3D12_VIDEO_ENCODER_CODEC_AV1,
    };

    const uint32_t resultLengthBefore = result->length;

    ffEnumHardwareAdapters(factory, [&](IDXGIAdapter1* adapter, const DXGI_ADAPTER_DESC1& desc) {
        ID3D12Device* FF_AUTO_RELEASE_COM_OBJECT d3dDevice = nullptr;
        if (FAILED(ffD3D12CreateDevice(
                adapter,
                D3D_FEATURE_LEVEL_11_0,
                __uuidof(ID3D12Device),
                (void**) &d3dDevice)) ||
            !d3dDevice) {
            return;
        }

        ID3D12VideoDevice* FF_AUTO_RELEASE_COM_OBJECT videoDevice = nullptr;
        if (FAILED(d3dDevice->QueryInterface(__uuidof(ID3D12VideoDevice), (void**) &videoDevice)) || !videoDevice) {
            return;
        }

        FFCodecType decoders = FF_CODEC_TYPE_NONE;
        if (options->showType & FF_CODEC_SHOW_TYPE_DECODER) {
            for (uint32_t profileIndex = 0; profileIndex < ARRAY_SIZE(FF_D3D12_DECODE_PROFILES); ++profileIndex) {
                const GUID& profile = FF_D3D12_DECODE_PROFILES[profileIndex];
                FFCodecType codecType = ffCodecProfileToTypeDx12(profile);

                if ((decoders & codecType) || !ffCodecProfileHasNativeOutput(videoDevice, profile, 0)) {
                    continue;
                }

                decoders = (FFCodecType) (((uint32_t) decoders) | ((uint32_t) codecType));
            }
        }

        FFCodecType encoders = FF_CODEC_TYPE_NONE;
        if (options->showType & FF_CODEC_SHOW_TYPE_ENCODER) {
            for (uint32_t codecIndex = 0; codecIndex < ARRAY_SIZE(FF_D3D12_ENCODER_CODECS); ++codecIndex) {
                D3D12_VIDEO_ENCODER_CODEC codec = FF_D3D12_ENCODER_CODECS[codecIndex];
                FFCodecType codecType = ffCodecEncoderToType(codec);

                if ((encoders & codecType) || !ffCodecEncoderSupportedD3d12(videoDevice, codec, 0)) {
                    continue;
                }

                encoders = (FFCodecType) (((uint32_t) encoders) | ((uint32_t) codecType));
            }
        }

        if (decoders == FF_CODEC_TYPE_NONE && encoders == FF_CODEC_TYPE_NONE) {
            return;
        }

        FFCodecResult* gpuResult = FF_LIST_ADD(FFCodecResult, *result);
        ffStrbufInitWS(&gpuResult->gpu, desc.Description);
        gpuResult->decoders = decoders;
        gpuResult->encoders = encoders;
        gpuResult->platformApi = "D3D12VA";
    });

    if (result->length == resultLengthBefore) {
        return "No D3D12 video acceleration support";
    }

    return nullptr;
}

const char* ffDetectCodecNative(FFCodecOptions* options, FFlist* result /*list of FFCodecResult*/) {
    FF_LIBRARY_LOAD_MESSAGE(dxgi, "dxgi" FF_LIBRARY_EXTENSION, 1)
    FF_LIBRARY_LOAD_SYMBOL_MESSAGE(dxgi, CreateDXGIFactory1)

    const char* error = ffInitCom();
    if (error) {
        return error;
    }

    IDXGIFactory1* FF_AUTO_RELEASE_COM_OBJECT factory = nullptr;
    if (FAILED(ffCreateDXGIFactory1(__uuidof(IDXGIFactory1), (void**) &factory)) || !factory) {
        return "CreateDXGIFactory1() failed";
    }

    if (ffIsWindows11OrGreater()) {
        // D3D12 video encoding is supported only on Windows 11
        if (detectD3d12va(options, result, factory) == nullptr) {
            return nullptr;
        }
    }
    return detectD3d11va(options, result, factory);
}
