main.cpp

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/* SPDX-License-Identifier: MIT */
#include "ntv2vcam.h"
 
#if defined(AJALinux)
    int main (int argc, const char** argv)
    {
        NTV2VCAM vw;
        if (vw.Initialize(argc, argv))
            return vw.Run();
        return 0;
    }
#endif  //  if defined(AJALinux)
 
#if defined(AJA_WINDOWS)
    const AMOVIESETUP_MEDIATYPE gVcamOutputVideoPinTypes =
    {
        &MEDIATYPE_Video,
        &MEDIASUBTYPE_UYVY
    };
 
    const AMOVIESETUP_PIN gVcamOutputVideoPin =
    {
        VCAM_VIDEO_PIN_NAME_W,
        FALSE,
        TRUE,
        FALSE,
        FALSE,
        &CLSID_NULL,
        NULL,
        1,
        &gVcamOutputVideoPinTypes
    };
 
    const AMOVIESETUP_MEDIATYPE gVcamOutputAudioPinTypes =
    {
        &MEDIATYPE_Audio,
        &MEDIASUBTYPE_PCM
    };
 
    const AMOVIESETUP_PIN gVcamOutputAudioPin =
    {
        VCAM_AUDIO_PIN_NAME_W,
        FALSE,
        TRUE,
        FALSE,
        FALSE,
        &CLSID_NULL,
        NULL,
        1,
        &gVcamOutputAudioPinTypes
    };
 
    const AMOVIESETUP_PIN gVcamOutputPins[] =
    {
        gVcamOutputVideoPin,
        gVcamOutputAudioPin
    };
 
    const AMOVIESETUP_FILTER gVcamFilter =
    {
        &CLSID_VirtualWebcam,
        VCAM_FILTER_NAME_W,
        MERIT_DO_NOT_USE,
        2,
        gVcamOutputPins
    };
 
    CFactoryTemplate g_Templates[] =
    {
        {
            VCAM_FILTER_NAME_W,
            &CLSID_VirtualWebcam,
            NTV2VCAM::CreateInstance,
            NULL,
            &gVcamFilter
        }
    };
    int g_cTemplates = sizeof(g_Templates) / sizeof(g_Templates[0]);
 
    extern "C" BOOL WINAPI DllEntryPoint(HINSTANCE, ULONG, LPVOID);
    BOOL APIENTRY DllMain(HANDLE hModule, DWORD dwReason, LPVOID lpReserved)
    {
        return DllEntryPoint((HINSTANCE)(hModule), dwReason, lpReserved);
    }
 
    STDAPI DllRegisterServer()
    {
        HRESULT hr = AMovieDllRegisterServer2(TRUE);
        if (SUCCEEDED(hr))
        {
            IFilterMapper2* pMapper = NULL;
            hr = CoCreateInstance(CLSID_FilterMapper2, NULL, CLSCTX_INPROC_SERVER, IID_IFilterMapper2, (void**)&pMapper);
            if (SUCCEEDED(hr))
            {
                REGFILTER2 rf2FilterReg = { 1, MERIT_NORMAL, 1, &gVcamOutputVideoPin };
                pMapper->RegisterFilter(CLSID_VirtualWebcam, VCAM_FILTER_NAME_W, NULL, &CLSID_VideoInputDeviceCategory, VCAM_FILTER_NAME_W, &rf2FilterReg);
 
                rf2FilterReg = { 1, MERIT_NORMAL, 1, &gVcamOutputAudioPin };
                pMapper->RegisterFilter(CLSID_VirtualWebcam, VCAM_FILTER_NAME_W, NULL, &CLSID_AudioInputDeviceCategory, VCAM_FILTER_NAME_W, &rf2FilterReg);
 
                pMapper->Release();
            }
        }
        return hr;
    }
 
    STDAPI DllUnregisterServer()
    {
        HRESULT hr = AMovieDllRegisterServer2(FALSE);
        if (SUCCEEDED(hr))
        {
            IFilterMapper2* pMapper = NULL;
            hr = CoCreateInstance(CLSID_FilterMapper2, NULL, CLSCTX_INPROC_SERVER, IID_IFilterMapper2, (void**)&pMapper);
            if (SUCCEEDED(hr))
            {
                pMapper->UnregisterFilter(&CLSID_VideoInputDeviceCategory, VCAM_FILTER_NAME_W, CLSID_VirtualWebcam);
                pMapper->UnregisterFilter(&CLSID_AudioInputDeviceCategory, VCAM_FILTER_NAME_W, CLSID_VirtualWebcam);
                pMapper->Release();
            }
        }
        return hr;
    }
#endif  //  if defined(AJA_WINDOWS)