From: Zebediah Figura Subject: [PATCH 2/4] devenum: Register AVI capture devices as codec devices. Message-Id: <1537666318-1055-2-git-send-email-z.figura12@gmail.com> Date: Sat, 22 Sep 2018 20:31:56 -0500 In-Reply-To: <1537666318-1055-1-git-send-email-z.figura12@gmail.com> References: <1537666318-1055-1-git-send-email-z.figura12@gmail.com> Signed-off-by: Zebediah Figura --- dlls/devenum/createdevenum.c | 139 +++++++++++++++++-------------------------- 1 file changed, 54 insertions(+), 85 deletions(-) diff --git a/dlls/devenum/createdevenum.c b/dlls/devenum/createdevenum.c index ad1022e..fa096be 100644 --- a/dlls/devenum/createdevenum.c +++ b/dlls/devenum/createdevenum.c @@ -53,7 +53,7 @@ static const WCHAR wszFriendlyName[] = {'F','r','i','e','n','d','l','y','N','a', static const WCHAR wszFilterData[] = {'F','i','l','t','e','r','D','a','t','a',0}; static ULONG WINAPI DEVENUM_ICreateDevEnum_AddRef(ICreateDevEnum * iface); -static HRESULT register_codecs(void); +static void register_codecs(void); static HRESULT DEVENUM_CreateAMCategoryKey(const CLSID * clsidCategory); /********************************************************************** @@ -773,6 +773,57 @@ static void register_vfw_codecs(void) } } +static void register_avicap_devices(void) +{ + static const WCHAR vfwindexW[] = {'V','F','W','I','n','d','e','x',0}; + WCHAR friendlyname[] = {'v','i','d','e','o','0',0}; + IPropertyBag *prop_bag = NULL; + WCHAR name[32], version[32]; + REGFILTERPINS2 rgpins; + REGPINTYPES rgtypes; + REGFILTER2 rgf; + VARIANT var; + HRESULT hr; + int i = 0; + + hr = DEVENUM_CreateAMCategoryKey(&CLSID_VideoInputDeviceCategory); + if (FAILED(hr)) + return; + + for (i = 0; i < 10; ++i) + { + if (!capGetDriverDescriptionW(i, name, sizeof(name), version, sizeof(version))) + break; + + friendlyname[5] = '0' + i; + + hr = register_codec(&CLSID_VideoInputDeviceCategory, name, + &CLSID_VfwCapture, friendlyname, &prop_bag); + if (FAILED(hr)) + continue; + + rgf.dwVersion = 2; + rgf.dwMerit = MERIT_DO_NOT_USE; + rgf.u.s2.cPins2 = 1; + rgf.u.s2.rgPins2 = &rgpins; + rgpins.dwFlags = 0; + rgpins.nMediaTypes = 1; + rgpins.lpMediaType = &rgtypes; + rgtypes.clsMajorType = &MEDIATYPE_Video; + rgtypes.clsMinorType = &MEDIASUBTYPE_None; + + write_filter_data(prop_bag, &rgf); + + /* write VFWIndex */ + V_VT(&var) = VT_I4; + V_I4(&var) = i; + IPropertyBag_Write(prop_bag, vfwindexW, &var); + + VariantClear(&var); + IPropertyBag_Release(prop_bag); + } +} + /********************************************************************** * DEVENUM_ICreateDevEnum_CreateClassEnumerator */ @@ -799,6 +850,7 @@ static HRESULT WINAPI DEVENUM_ICreateDevEnum_CreateClassEnumerator( register_wavein_devices(); register_midiout_devices(); register_vfw_codecs(); + register_avicap_devices(); return create_EnumMoniker(clsidDeviceClass, ppEnumMoniker); } @@ -851,14 +903,9 @@ static HRESULT DEVENUM_CreateAMCategoryKey(const CLSID * clsidCategory) return res; } -static HRESULT register_codecs(void) +static void register_codecs(void) { - HRESULT res; WCHAR class[CHARS_IN_GUID]; - DWORD iDefaultDevice = -1; - IFilterMapper2 * pMapper = NULL; - REGFILTER2 rf2; - REGFILTERPINS2 rfp2; HKEY basekey; /* Since devices can change between session, for example because you just plugged in a webcam @@ -878,82 +925,4 @@ static HRESULT register_codecs(void) StringFromGUID2(&CLSID_VideoCompressorCategory, class, CHARS_IN_GUID); RegDeleteTreeW(basekey, class); RegCloseKey(basekey); - - rf2.dwVersion = 2; - rf2.dwMerit = MERIT_PREFERRED; - rf2.u.s2.cPins2 = 1; - rf2.u.s2.rgPins2 = &rfp2; - rfp2.cInstances = 1; - rfp2.nMediums = 0; - rfp2.lpMedium = NULL; - rfp2.clsPinCategory = &IID_NULL; - - res = CoCreateInstance(&CLSID_FilterMapper2, NULL, CLSCTX_INPROC, - &IID_IFilterMapper2, (void **) &pMapper); - /* - * Fill in info for devices - */ - if (SUCCEEDED(res)) - { - UINT i; - REGPINTYPES * pTypes; - IPropertyBag * pPropBag = NULL; - - res = DEVENUM_CreateAMCategoryKey(&CLSID_VideoInputDeviceCategory); - if (SUCCEEDED(res)) - for (i = 0; i < 10; i++) - { - WCHAR szDeviceName[32], szDeviceVersion[32], szDevicePath[10]; - - if (capGetDriverDescriptionW (i, szDeviceName, ARRAY_SIZE(szDeviceName), - szDeviceVersion, ARRAY_SIZE(szDeviceVersion))) - { - IMoniker * pMoniker = NULL; - WCHAR dprintf[] = { 'v','i','d','e','o','%','d',0 }; - snprintfW(szDevicePath, ARRAY_SIZE(szDevicePath), dprintf, i); - /* The above code prevents 1 device with a different ID overwriting another */ - - rfp2.nMediaTypes = 1; - pTypes = CoTaskMemAlloc(rfp2.nMediaTypes * sizeof(REGPINTYPES)); - if (!pTypes) { - IFilterMapper2_Release(pMapper); - return E_OUTOFMEMORY; - } - - pTypes[0].clsMajorType = &MEDIATYPE_Video; - pTypes[0].clsMinorType = &MEDIASUBTYPE_None; - - rfp2.lpMediaType = pTypes; - - res = IFilterMapper2_RegisterFilter(pMapper, - &CLSID_VfwCapture, - szDeviceName, - &pMoniker, - &CLSID_VideoInputDeviceCategory, - szDevicePath, - &rf2); - - if (pMoniker) { - OLECHAR wszVfwIndex[] = { 'V','F','W','I','n','d','e','x',0 }; - VARIANT var; - V_VT(&var) = VT_I4; - V_I4(&var) = i; - res = IMoniker_BindToStorage(pMoniker, NULL, NULL, &IID_IPropertyBag, (LPVOID)&pPropBag); - if (SUCCEEDED(res)) { - res = IPropertyBag_Write(pPropBag, wszVfwIndex, &var); - IPropertyBag_Release(pPropBag); - } - IMoniker_Release(pMoniker); - } - - if (i == iDefaultDevice) FIXME("Default device\n"); - CoTaskMemFree(pTypes); - } - } - } - - if (pMapper) - IFilterMapper2_Release(pMapper); - - return res; } -- 2.7.4