int CCaptureVideo::EnumDevices(CArray<CString, CString>& arList)
{
int nCount = 0;
//枚举视频扑捉设备
ICreateDevEnum *pCreateDevEnum;
HRESULT hr = CoCreateInstance(CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC_SERVER,IID_ICreateDevEnum, (void**)&pCreateDevEnum);
if (hr != NOERROR)return -1;
CComPtr<IEnumMoniker> pEm;
hr = pCreateDevEnum->CreateClassEnumerator(CLSID_VideoInputDeviceCategory,&pEm, 0);
if (hr != NOERROR)return -1;
pEm->Reset();
ULONG cFetched;
IMoniker *pM;
while(hr = pEm->Next(1, &pM, &cFetched), hr==S_OK)
{
IPropertyBag *pBag;
hr = pM->BindToStorage(0, 0, IID_IPropertyBag, (void **)&pBag);
if(SUCCEEDED(hr))
{
VARIANT var;
var.vt = VT_BSTR;
hr = pBag->Read(L"FriendlyName", &var, NULL);
if (hr == NOERROR)
{
char szStr[2048];
nCount++;
WideCharToMultiByte(CP_ACP,0,var.bstrVal, -1, szStr, 2048, NULL, NULL);
arList.Add( CString(szStr) );
SysFreeString(var.bstrVal);
pM->AddRef();
}
pBag->Release();
}
pM->Release();
}
return nCount;
}
// @pymethod |PyIOleObject|SetMoniker|Description of SetMoniker.
PyObject *PyIOleObject::SetMoniker(PyObject *self, PyObject *args)
{
IOleObject *pIOO = GetI(self);
if ( pIOO == NULL )
return NULL;
// @pyparm int|dwWhichMoniker||Description for dwWhichMoniker
// @pyparm <o PyIMoniker>|pmk||Description for pmk
PyObject *obpmk;
DWORD dwWhichMoniker;
IMoniker * pmk;
if ( !PyArg_ParseTuple(args, "iO:SetMoniker", &dwWhichMoniker, &obpmk) )
return NULL;
BOOL bPythonIsHappy = TRUE;
if (!PyCom_InterfaceFromPyInstanceOrObject(obpmk, IID_IMoniker, (void **)&pmk, TRUE /* bNoneOK */))
bPythonIsHappy = FALSE;
if (!bPythonIsHappy) return NULL;
HRESULT hr;
PY_INTERFACE_PRECALL;
hr = pIOO->SetMoniker( dwWhichMoniker, pmk );
if (pmk) pmk->Release();
PY_INTERFACE_POSTCALL;
if ( FAILED(hr) )
return OleSetOleError(hr);
Py_INCREF(Py_None);
return Py_None;
}
void DirectShowAudioEndpointControl::updateEndpoints()
{
IMalloc *oleMalloc = 0;
if (m_deviceEnumerator && CoGetMalloc(1, &oleMalloc) == S_OK) {
IEnumMoniker *monikers = 0;
if (m_deviceEnumerator->CreateClassEnumerator(
CLSID_AudioRendererCategory, &monikers, 0) == S_OK) {
for (IMoniker *moniker = 0; monikers->Next(1, &moniker, 0) == S_OK; moniker->Release()) {
OLECHAR *string = 0;
if (moniker->GetDisplayName(m_bindContext, 0, &string) == S_OK) {
QString deviceId = QString::fromWCharArray(string);
oleMalloc->Free(string);
moniker->AddRef();
m_devices.insert(deviceId, moniker);
if (m_defaultEndpoint.isEmpty()
|| deviceId.endsWith(QLatin1String("Default DirectSound Device"))) {
m_defaultEndpoint = deviceId;
}
}
}
monikers->Release();
}
oleMalloc->Release();
}
}
bool CHtmlDialog::DoModal()
{
if (!m_hInstMSHTML)
return false;
// First get the proc ShowHTMLDialog
typedef HRESULT STDAPICALLTYPE SHOWHTMLDIALOGFN(HWND hwndParent, IMoniker *pmk, VARIANT *pvarArgIn, WCHAR* pchOptions, VARIANT *pvArgOut);
SHOWHTMLDIALOGFN* pfnShowHTMLDialog = (SHOWHTMLDIALOGFN*)::GetProcAddress(m_hInstMSHTML, TEXT("ShowHTMLDialog"));
//j typedef HRESULT STDAPICALLTYPE SHOWHTMLDIALOGEXFN(HWND hwndParent, IMoniker *pmk, DWORD dwDialogFlags, VARIANT *pvarArgIn, WCHAR* pchOptions, VARIANT *pvArgOut);
//j SHOWHTMLDIALOGEXFN* pfnShowHTMLDialog = (SHOWHTMLDIALOGEXFN*)::GetProcAddress(m_hInstMSHTML, TEXT("ShowHTMLDialogEx"));
if (!pfnShowHTMLDialog)
return false;
// Now create a URL Moniker
IMoniker* pmk = NULL;
::CreateURLMoniker(NULL, CComBSTR(m_strURL), &pmk);
if (!pmk)
return false;
// Now show the HTML Dialog
HWND hWndFocus = ::GetFocus();
CComVariant varArgs = m_strArguments;
HWND hWndParent = (::IsWindow(m_hWndParent) && ::IsWindowVisible(m_hWndParent) ? m_hWndParent : NULL);
HRESULT hr = pfnShowHTMLDialog(hWndParent, pmk, &varArgs, CComBSTR(m_strOptions), &m_varReturn);
//j CComVariant vstrOptions = m_strOptions;
//j HRESULT hr = pfnShowHTMLDialog(hWndParent, pmk, HTMLDLG_MODAL, &varArgs, vstrOptions, &m_varReturn);
pmk->Release();
::SetFocus(hWndFocus);
return (FAILED(hr) ? false : true);
}
HRESULT VideoCapture::FindCaptureDevice(const wchar_t* deviceName, IBaseFilter** ppSrcFilter)
{
ICreateDevEnum *pSysDevEnum = NULL;
hr = CoCreateInstance(CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC_SERVER,
IID_ICreateDevEnum, (void **)&pSysDevEnum);
if (FAILED(hr))
return hr;
// Obtain a class enumerator for the video input devices category.
IEnumMoniker *pEnumCat = NULL;
hr = pSysDevEnum->CreateClassEnumerator(CLSID_VideoInputDeviceCategory, &pEnumCat, 0);
if (hr == S_OK) {
// Enumerate the monikers.
IMoniker *pMoniker = NULL;
ULONG cFetched;
while (pEnumCat->Next(1, &pMoniker, &cFetched) == S_OK) {
IPropertyBag *pPropBag;
hr = pMoniker->BindToStorage(0, 0, IID_IPropertyBag,
(void **)&pPropBag);
if (SUCCEEDED(hr)) {
// To retrieve the filter's friendly name
VARIANT varName;
VariantInit(&varName);
hr = pPropBag->Read(L"FriendlyName", &varName, 0);
if (SUCCEEDED(hr)) {
if (wcscmp(deviceName, varName.bstrVal) == 0) {
m_DeviceName = varName.bstrVal;
VariantClear(&varName);
IBaseFilter* pFilter;
hr = pMoniker->BindToObject(NULL, NULL, IID_IBaseFilter,
(void**)&pFilter);
if (SUCCEEDED(hr)) {
*ppSrcFilter = pFilter;
(*ppSrcFilter)->AddRef();
pFilter->Release();
}
pPropBag->Release();
pMoniker->Release();
pEnumCat->Release();
pSysDevEnum->Release();
return hr;
}
}
VariantClear(&varName);
pPropBag->Release();
}
pMoniker->Release();
}
pEnumCat->Release();
}
else {
pSysDevEnum->Release();
return hr;
}
pSysDevEnum->Release();
return -1;
}
/////////////////////////////////////////////////////////////////////////////////////////
// DirectShowキャプチャデバイスの取得と列挙
/////////////////////////////////////////////////////////////////////////////////////////
BOOL GetCaptureDevice(IBaseFilter **ppSrcFilter)
{
HRESULT hResult;
// デバイスを列挙する
ICreateDevEnum *pDevEnum = NULL;
hResult = CoCreateInstance(CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC, IID_ICreateDevEnum, (void **)&pDevEnum);
if (hResult != S_OK)return FALSE;
// 列挙したデバイスの一番目をデバイスとして取得する
IEnumMoniker *pClassEnum = NULL;
hResult = pDevEnum->CreateClassEnumerator(CLSID_VideoInputDeviceCategory, &pClassEnum, 0);
if (hResult != S_OK)return FALSE;
// デバイスをフィルタに接続する
ULONG cFetched;
IMoniker *pMoniker = NULL;
if (pClassEnum->Next(1, &pMoniker, &cFetched) == S_OK){
// 最初のモニカをフィルタオブジェクトにバインドする
pMoniker->BindToObject(0, 0, IID_IBaseFilter, (void **)ppSrcFilter);
pMoniker->Release();
}else
return FALSE;
// グラフビルダに追加する
hResult = g_pGraph->AddFilter(g_pSrc, L"Video Capture");
if (hResult != S_OK)return FALSE;
// オブジェクトの片づけ
pClassEnum->Release();
pDevEnum->Release();
return TRUE;
}
void CJs2nCtrl::OnSetClientSite()
{
// TODO: Add your specialized code here and/or call the base class
LPOLECLIENTSITE pClientSite = GetClientSite();
if (pClientSite != NULL)
{
// Obtain URL from container moniker.
IMoniker* ppmk;
LPOLESTR pszDisplayName;
if (SUCCEEDED(pClientSite->GetMoniker( OLEGETMONIKER_TEMPFORUSER,
OLEWHICHMK_CONTAINER,
&ppmk)))
{
if (SUCCEEDED(ppmk->GetDisplayName(NULL, NULL, &pszDisplayName)))
{
PString strURL( (WORD *)pszDisplayName );
PString strPluginsPath = FindPluginsPath();
m_NativeLogic.Init( strURL, strPluginsPath );
CoTaskMemFree((LPVOID)pszDisplayName);
}
}
}
COleControl::OnSetClientSite();
}
// @pymethod <o PyIMoniker>|PyIMoniker|ComposeWith|Combines the current moniker with another moniker, creating a new composite moniker.
PyObject *PyIMoniker::ComposeWith(PyObject *self, PyObject *args)
{
// @pyparm <o PyIMoniker>|mkRight||The IMoniker interface on the moniker to compose onto the end of this moniker.
// @pyparm int|fOnlyIfNotGeneric||If TRUE, the caller requires a non-generic composition, so the operation should proceed only if pmkRight is a moniker class that this moniker can compose with in some way other than forming a generic composite. If FALSE, the method can create a generic composite if necessary.
PyObject *obmkRight;
int bOnlyIfNotGeneric;
if (!PyArg_ParseTuple(args, "Oi:ComposeWith", &obmkRight, &bOnlyIfNotGeneric))
return NULL;
IMoniker *pMy = GetI(self);
if (pMy==NULL) return NULL;
IMoniker *pmkRight;
if (!PyCom_InterfaceFromPyInstanceOrObject(obmkRight, IID_IMoniker, (void **)&pmkRight, FALSE))
return NULL;
IMoniker *pResult = NULL;
PY_INTERFACE_PRECALL;
HRESULT hr = pMy->ComposeWith(pmkRight, bOnlyIfNotGeneric, &pResult);
pmkRight->Release();
PY_INTERFACE_POSTCALL;
if (S_OK!=hr) // S_OK only acceptable
return PyCom_BuildPyException(hr, pMy, IID_IMoniker);
return PyCom_PyObjectFromIUnknown(pResult, IID_IMoniker, FALSE );
}
void CMFCBindCntrItem::LoadFromMoniker(LPUNKNOWN pUnk, OLECHAR* szwName)
{
HRESULT hr;
// Ask the system for a URL Moniker
IMoniker* pIMoniker;
hr = CreateURLMoniker(NULL, (LPWSTR)szwName, &pIMoniker);
if ( SUCCEEDED(hr) )
{
// Get the IPersistMoniker interface
IPersistMoniker* pPMk;
hr = pUnk->QueryInterface(
IID_IPersistMoniker,
(void **)&pPMk);
if ( SUCCEEDED(hr) )
{
// note: do not register our BSC when calling IPM::Load directly
IBindCtx *pBCtx;
hr = CreateBindCtx(0, &pBCtx);
if ( SUCCEEDED(hr) )
{
// Call Load on the IPersistMoniker
hr = pPMk->Load(FALSE, pIMoniker, pBCtx, STGM_READ);
pBCtx->Release();
}
pPMk->Release();
}
pIMoniker->Release( );
}
}
HRESULT CaptureDevices::GetAudioDevices(vector<wstring> *audioDevices)
{
if (!enumMonikerAudio)
return E_FAIL;
IMoniker *pMoniker = NULL;
wstring name;
while (enumMonikerAudio->Next(1, &pMoniker, NULL) == S_OK)
{
IPropertyBag *pPropBag;
HRESULT hr = pMoniker->BindToStorage(0, 0, IID_PPV_ARGS(&pPropBag));
if (FAILED(hr))
{
pMoniker->Release();
continue;
}
VARIANT var;
VariantInit(&var);
hr = pPropBag->Read(L"FriendlyName", &var, 0);
if (SUCCEEDED(hr))
{
name = var.bstrVal;
VariantClear(&var);
}
pPropBag->Release();
pMoniker->Release();
if (!name.empty())
audioDevices->push_back(name);
}
}
bool VideoCapture::BindFilter(int deviceId, IBaseFilter **pFilter)
{
if (deviceId < 0)
return false;
// enumerate all video capture devices
CComPtr<ICreateDevEnum> pCreateDevEnum;
HRESULT hr = CoCreateInstance(CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC_SERVER,
IID_ICreateDevEnum, (void**)&pCreateDevEnum);
if (hr != NOERROR)
return false;
CComPtr<IEnumMoniker> pEm;
hr = pCreateDevEnum->CreateClassEnumerator(CLSID_VideoInputDeviceCategory,
&pEm, 0);
if (hr != NOERROR)
return false;
pEm->Reset();
IMoniker *pM;
for (int i=0; i<=deviceId; i++)
pEm->Next(1, &pM, NULL);
IPropertyBag *pBag;
hr = pM->BindToStorage(0, 0, IID_IPropertyBag, (void **)&pBag);
pM->BindToObject(0, 0, IID_IBaseFilter, (void**)pFilter);
pM->Release();
return true;
}
bool CDirectShowFilterFinder::FindFilter(const GUID *pInTypes,int InTypeCount,
const GUID *pOutTypes,int OutTypeCount,DWORD Merit)
{
// フィルタを検索する
bool bRet = false;
IFilterMapper2 *pMapper=NULL;
HRESULT hr=::CoCreateInstance(CLSID_FilterMapper2, NULL, CLSCTX_INPROC, IID_IFilterMapper2, (void **)&pMapper);
if (SUCCEEDED(hr)) {
IEnumMoniker *pEnum=NULL;
hr = pMapper->EnumMatchingFilters(
&pEnum,
0, // 予約済み
TRUE, // 完全一致を使用するか
Merit, // 最小のメリット
TRUE, // 1 つ以上の入力ピンか?
InTypeCount, // 入力のメジャータイプ/サブタイプの対の数
pInTypes, // 入力のメジャータイプ/サブタイプの対の配列
NULL, // 入力メディア
NULL, // 入力ピンのカテゴリ
FALSE, // レンダラでなければならないか
TRUE, // 1 つ以上の出力ピンか
OutTypeCount, // 出力のメジャータイプ/サブタイプの対の数
pOutTypes, // 出力のメジャータイプ/サブタイプの対の配列
NULL, // 出力メディア
NULL); // 出力ピンのカテゴリ
if (SUCCEEDED(hr)) {
IMoniker *pMoniker;
ULONG cFetched;
while (pEnum->Next(1, &pMoniker, &cFetched) == S_OK) {
IPropertyBag *pPropBag;
hr=pMoniker->BindToStorage(0, 0, IID_IPropertyBag, (void **)&pPropBag);
if (SUCCEEDED(hr)) {
VARIANT varName,varID;
::VariantInit(&varName);
::VariantInit(&varID);
hr=pPropBag->Read(L"FriendlyName", &varName, 0);
if (SUCCEEDED(hr)) {
hr=pPropBag->Read(L"CLSID", &varID, 0);
if (SUCCEEDED(hr)) {
bRet = true;
CFilterInfo FilterInfo;
FilterInfo.SetFriendlyName(varName.bstrVal);
::CLSIDFromString(varID.bstrVal,&FilterInfo.m_clsid);
m_FilterList.push_back(FilterInfo);
::SysFreeString(varID.bstrVal);
}
SysFreeString(varName.bstrVal);
}
pPropBag->Release();
}
pMoniker->Release();
}
pEnum->Release();
}
pMapper->Release();
}
return bRet;
}
/* Wireshark example (with proxy enabled)
GET /Resources.zip HTTP/1.0
Accept: *//*
Request-Range: bytes=2-5
Accept-Encoding: gzip, deflate
User-Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; WOW64; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0)
Host: www.myurl.com
Pragma: no-cache
Via: 1.1 myproxy.com:3128 (squid/2.7.STABLE7)
X-Forwarded-For: 192.168.0.2
Cache-Control: max-age=259200
Connection: keep-alive
Wireshark example (no proxy, direct connection):
GET /Resources.zip HTTP/1.1
Accept: *//*
Request-Range: bytes=2-5
Accept-Encoding: gzip, deflate
User-Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; WOW64; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0)
Host: www.myurl.com
Connection: Keep-Alive
Cache-Control: no-cache
*/
void UseWinInet(const WCHAR* URL)
{
HRESULT hr;
IBindStatusCallback* ibscb(0);
::CBindStatusCallback::Create( &ibscb );
/*HRESULT uoshr = URLOpenStream( 0, L"http://www.myurl.com/Resources.zip", 0, ibscb );
ShowMessage( hwnd, "URLOpenStream: " + toString(uoshr) );*/
IMoniker* FMoniker;
CreateURLMoniker(0, URL, &FMoniker);
IBindCtx* FBindCtx;
CreateAsyncBindCtx(0, ibscb, 0, &FBindCtx);
hr = IsValidURL(FBindCtx, URL, 0);
if ( hr != S_OK )
{
ShowMessage( 0, "Invalid url" );
}
IStream* fstream;
hr = FMoniker->BindToStorage(FBindCtx, 0, IID_IStream, (void**)&fstream);
if ( (hr != S_OK) && (hr != MK_S_ASYNCHRONOUS) )
{
ShowMessage( 0, "error" );
}
}
HRESULT AddGraphToRot(IUnknown *pUnkGraph, DWORD *pdwRegister)
{
IMoniker * pMoniker;
IRunningObjectTable *pROT;
if (FAILED(GetRunningObjectTable(0, &pROT)))
{
return E_FAIL;
}
WCHAR wsz[128];
wsprintfW(wsz, L"FilterGraph %08x pid %08x", (DWORD_PTR)pUnkGraph,
GetCurrentProcessId());
HRESULT hr = CreateItemMoniker(L"!", wsz, &pMoniker);
if (SUCCEEDED(hr))
{
// Use the ROTFLAGS_REGISTRATIONKEEPSALIVE to ensure a strong reference
// to the object. Using this flag will cause the object to remain
// registered until it is explicitly revoked with the Revoke() method.
//
// Not using this flag means that if GraphEdit remotely connects
// to this graph and then GraphEdit exits, this object registration
// will be deleted, causing future attempts by GraphEdit to fail until
// this application is restarted or until the graph is registered again.
hr = pROT->Register(ROTFLAGS_REGISTRATIONKEEPSALIVE, pUnkGraph,
pMoniker, pdwRegister);
pMoniker->Release();
}
pROT->Release();
return hr;
}
IHTMLWindow2* CHtmlDialog::DoModeless()
{
if (!m_hInstMSHTML)
return false;
// First get the proc ShowModelessHTMLDialog
typedef HRESULT STDAPICALLTYPE SHOWMODELESSHTMLDIALOGFN(HWND hwndParent, IMoniker *pmk, VARIANT *pvarArgIn, VARIANT* pvarOptions, IHTMLWindow2 ** ppWindow);
SHOWMODELESSHTMLDIALOGFN* pfnShowHTMLDialog = (SHOWMODELESSHTMLDIALOGFN*)::GetProcAddress(m_hInstMSHTML, TEXT("ShowModelessHTMLDialog"));
if (!pfnShowHTMLDialog)
return false;
// Now create a URL Moniker
IMoniker* pmk = NULL;
::CreateURLMoniker(NULL, CComBSTR(m_strURL), &pmk);
if (!pmk)
return false;
// Now show the HTML Dialog
HWND hWndFocus = ::GetFocus();
CComVariant varArgs = m_strArguments;
HWND hWndParent = (::IsWindow(m_hWndParent) && ::IsWindowVisible(m_hWndParent) ? m_hWndParent : NULL);
IHTMLWindow2* pModelessWindow = NULL;
CComVariant vstrOptions = m_strOptions;
HRESULT hr = pfnShowHTMLDialog(hWndParent, pmk, &varArgs, &vstrOptions, &pModelessWindow);
pmk->Release();
::SetFocus(hWndFocus);
return pModelessWindow;
}
// Returns the IMoniker* for the given device index. - caller must Release() the object
bool VideoCaptureDirectShow2::createDeviceFilter(int device, IBaseFilter** deviceFilter) {
IEnumMoniker* enum_moniker = NULL;
if(!createDeviceMoniker(&enum_moniker)) {
RX_ERROR("Cannot create IEnumMoniker so also not the device");
return false;
}
// Get information from devices
IMoniker* moniker = NULL;
int count = 0;
bool found = false;
while(enum_moniker->Next(1, &moniker, NULL) == S_OK) {
if(count == device) {
HRESULT hr = moniker->BindToObject(0, 0, IID_IBaseFilter, (void**)deviceFilter);
if(FAILED(hr)) {
RX_ERROR("Error while trying to bind the device to the IBaseFilter");
break;
}
found = true;
(*deviceFilter)->AddRef(); // @todo - do we really need this here?
break;
}
++count;
moniker->Release();
}
safeReleaseDirectShow(&enum_moniker);
safeReleaseDirectShow(&moniker);
return true;
}
void Audio::LogDeviceInformation(IEnumMoniker *pEnum)
{
logger.addline("Starting to record audio or video input devices.", info);
IMoniker *pMoniker = NULL;
while (pEnum->Next(1, &pMoniker, NULL) == S_OK)
{
logger.addline("Have found a new device", success);
IPropertyBag *pPropBag;
HRESULT hr = pMoniker->BindToStorage(0, 0, IID_PPV_ARGS(&pPropBag));
if (FAILED(hr))
{
pMoniker->Release();
continue;
}
VARIANT var;
VariantInit(&var);
// Get description or friendly name.
hr = pPropBag->Read(L"Description", &var, 0);
if (FAILED(hr))
{
hr = pPropBag->Read(L"FriendlyName", &var, 0);
}
if (SUCCEEDED(hr))
{
//printf("%S\n", var.bstrVal);
logger.addline("Below is the device name.", debug);
logger.addline(ConvertBSTRToMBS(var.bstrVal), debug);
VariantClear(&var);
}
hr = pPropBag->Write(L"FriendlyName", &var);
// WaveInID applies only to audio capture devices.
hr = pPropBag->Read(L"WaveInID", &var, 0);
if (SUCCEEDED(hr))
{
//printf("WaveIn ID: %d\n", var.lVal);
logger.addline("Below is the WaveIn ID.", debug);
logger.addline("BLANK FOR NOW! FIX ME LATER", debug);
VariantClear(&var);
}
hr = pPropBag->Read(L"DevicePath", &var, 0);
if (SUCCEEDED(hr))
{
// The device path is not intended for display.
printf("Device path: %S\n", var.bstrVal);
logger.addline("Below is the device path.", debug);
//logger.addline(ConvertBSTRToMBS(var.bstrVal), success);
VariantClear(&var);
}
pPropBag->Release();
pMoniker->Release();
}
}
bool CCaptureVideo::BindFilter(int deviceId, IBaseFilter **pFilter)
{
if (deviceId < 0) return false;
// enumerate all video capture devices
CComPtr<ICreateDevEnum> pCreateDevEnum;
HRESULT hr = CoCreateInstance(CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC_SERVER,
IID_ICreateDevEnum, (void**)&pCreateDevEnum);
if (hr != NOERROR) return false;
CComPtr<IEnumMoniker> pEm;
hr = pCreateDevEnum->CreateClassEnumerator(CLSID_VideoInputDeviceCategory,&pEm, 0);
if (hr != NOERROR) return false;
pEm->Reset();
ULONG cFetched;
IMoniker* pM;
int index = 0;
while(hr = pEm->Next(1, &pM, &cFetched), hr==S_OK, index <= deviceId)
{
IPropertyBag* pBag;
hr = pM->BindToStorage(0, 0, IID_IPropertyBag, (void **)&pBag);
if(SUCCEEDED(hr))
{
VARIANT var;
var.vt = VT_BSTR;
hr = pBag->Read(L"FriendlyName", &var, NULL);
if (hr == NOERROR)
{
if (index == deviceId)
{
pM->BindToObject(0, 0, IID_IBaseFilter, (void**)pFilter);
}
SysFreeString(var.bstrVal);
}
pBag->Release();
}
pM->Release();
index++;
}
return true;
}
QList<QByteArray> QAudioDeviceInfoInternal::availableDevices(QAudio::Mode mode)
{
Q_UNUSED(mode)
QList<QByteArray> devices;
//enumerate device fullnames through directshow api
CoInitialize(NULL);
ICreateDevEnum *pDevEnum = NULL;
IEnumMoniker *pEnum = NULL;
// Create the System device enumerator
HRESULT hr = CoCreateInstance(CLSID_SystemDeviceEnum, NULL,
CLSCTX_INPROC_SERVER, IID_ICreateDevEnum,
reinterpret_cast<void **>(&pDevEnum));
unsigned long iNumDevs = mode == QAudio::AudioOutput ? waveOutGetNumDevs() : waveInGetNumDevs();
if (SUCCEEDED(hr)) {
// Create the enumerator for the audio input/output category
if (pDevEnum->CreateClassEnumerator(
mode == QAudio::AudioOutput ? CLSID_AudioRendererCategory : CLSID_AudioInputDeviceCategory,
&pEnum, 0) == S_OK) {
pEnum->Reset();
// go through and find all audio devices
IMoniker *pMoniker = NULL;
while (pEnum->Next(1, &pMoniker, NULL) == S_OK) {
IPropertyBag *pPropBag;
hr = pMoniker->BindToStorage(0,0,IID_IPropertyBag,
reinterpret_cast<void **>(&pPropBag));
if (FAILED(hr)) {
pMoniker->Release();
continue; // skip this one
}
// Find if it is a wave device
VARIANT var;
VariantInit(&var);
hr = pPropBag->Read(mode == QAudio::AudioOutput ? L"WaveOutID" : L"WaveInID", &var, 0);
if (SUCCEEDED(hr)) {
LONG waveID = var.lVal;
if (waveID >= 0 && waveID < LONG(iNumDevs)) {
VariantClear(&var);
// Find the description
hr = pPropBag->Read(L"FriendlyName", &var, 0);
if (SUCCEEDED(hr)) {
QByteArray device;
QDataStream ds(&device, QIODevice::WriteOnly);
ds << quint32(waveID) << QString::fromWCharArray(var.bstrVal);
devices.append(device);
}
}
}
pPropBag->Release();
pMoniker->Release();
}
}
}
CoUninitialize();
return devices;
}
int Camera::EnumDevices(PENUMDEVICE pCallback, void* pItem)
{
int nDevice = 0;
HRESULT hr = S_OK;
// System device enumerators
ICreateDevEnum *pDevEnum = NULL;
IEnumMoniker *pEnum = NULL;
IMoniker *pMoniker = NULL;
CoInitialize(NULL);
// Create system device enumerator
hr = CoCreateInstance( CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC_SERVER, IID_ICreateDevEnum, reinterpret_cast<void**>(&pDevEnum) );
if (FAILED(hr)) {
return 0;
}
// create enumerator for video capture devices
hr = pDevEnum->CreateClassEnumerator( CLSID_VideoInputDeviceCategory, &pEnum, 0 );
if (SUCCEEDED(hr))
{
IBindCtx* pbcfull = NULL;
// Enumerate through the devices and print friendly name
while ( (pEnum->Next( 1, &pMoniker, NULL ) == S_OK))
{
VARIANT var;
IPropertyBag *pPropertyBag;
char szCameraName[200];
// FrienlyName : The name of the device
var.vt = VT_BSTR;
// Bind to IPropertyBag
pMoniker->BindToStorage(0, 0, IID_IPropertyBag, (void **)&pPropertyBag);
// Reference: https://msdn.microsoft.com/en-us/library/windows/desktop/dd377566(v=vs.85).aspx
hr = pPropertyBag->Read(L"Description", &var, 0); // "FriendlyName", "DevicePath", "Description"
if (FAILED(hr))
{
pPropertyBag->Read(L"FriendlyName", &var, 0);
}
WideCharToMultiByte(CP_ACP, 0, var.bstrVal, -1,szCameraName, sizeof(szCameraName), 0, 0);
if (pCallback != NULL) {
(*pCallback)(pItem, szCameraName);
}
VariantClear(&var);
// Release resource
pPropertyBag->Release();
nDevice++;
SAFE_RELEASE( pMoniker );
}
}
return nDevice; // returns count of camera
}
void FaceTrackNoIR::GetCameraNameDX() {
#if defined(_WIN32)
ui.cameraName->setText("No video-capturing device was found in your system: check if it's connected!");
// Create the System Device Enumerator.
HRESULT hr;
ICreateDevEnum *pSysDevEnum = NULL;
hr = CoCreateInstance(CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC_SERVER, IID_ICreateDevEnum, (void **)&pSysDevEnum);
if (FAILED(hr))
{
qDebug() << "GetWDM says: CoCreateInstance Failed!";
return;
}
qDebug() << "GetWDM says: CoCreateInstance succeeded!";
// Obtain a class enumerator for the video compressor category.
IEnumMoniker *pEnumCat = NULL;
hr = pSysDevEnum->CreateClassEnumerator(CLSID_VideoInputDeviceCategory, &pEnumCat, 0);
if (hr == S_OK) {
qDebug() << "GetWDM says: CreateClassEnumerator succeeded!";
IMoniker *pMoniker = NULL;
ULONG cFetched;
if (pEnumCat->Next(1, &pMoniker, &cFetched) == S_OK) {
IPropertyBag *pPropBag;
hr = pMoniker->BindToStorage(0, 0, IID_IPropertyBag, (void **)&pPropBag);
if (SUCCEEDED(hr)) {
VARIANT varName;
VariantInit(&varName);
hr = pPropBag->Read(L"FriendlyName", &varName, 0);
if (SUCCEEDED(hr))
{
QString str((QChar*)varName.bstrVal, wcslen(varName.bstrVal));
qDebug() << "GetWDM says: Moniker found:" << str;
ui.cameraName->setText(str);
}
VariantClear(&varName);
pPropBag->Release();
}
pMoniker->Release();
}
pEnumCat->Release();
}
pSysDevEnum->Release();
#else
for (int i = 0; i < 16; i++) {
char buf[128];
sprintf(buf, "/dev/video%d", i);
if (access(buf, R_OK | W_OK) == 0) {
ui.cameraName->setText(QString(buf));
break;
}
}
#endif
}
// Used (by getDeviceModes) to select a device
// so we can list its properties
static IBaseFilter* getDevFilter(QString devName)
{
IBaseFilter* devFilter = nullptr;
devName = devName.mid(6); // Remove the "video="
IMoniker* m = nullptr;
ICreateDevEnum* devenum = nullptr;
if (CoCreateInstance(CLSID_SystemDeviceEnum, nullptr, CLSCTX_INPROC_SERVER,
IID_ICreateDevEnum, (void**) &devenum) != S_OK)
return devFilter;
IEnumMoniker* classenum = nullptr;
if (devenum->CreateClassEnumerator(CLSID_VideoInputDeviceCategory,
(IEnumMoniker**)&classenum, 0) != S_OK)
return devFilter;
while (classenum->Next(1, &m, nullptr) == S_OK)
{
LPMALLOC coMalloc = nullptr;
IBindCtx* bindCtx = nullptr;
LPOLESTR olestr = nullptr;
char* devIdString;
if (CoGetMalloc(1, &coMalloc) != S_OK)
goto fail;
if (CreateBindCtx(0, &bindCtx) != S_OK)
goto fail;
if (m->GetDisplayName(bindCtx, nullptr, &olestr) != S_OK)
goto fail;
devIdString = wcharToUtf8(olestr);
// replace ':' with '_' since FFmpeg uses : to delimitate sources
for (unsigned i = 0; i < strlen(devIdString); i++)
if (devIdString[i] == ':')
devIdString[i] = '_';
if (devName != devIdString)
goto fail;
if (m->BindToObject(0, 0, IID_IBaseFilter, (void**)&devFilter) != S_OK)
goto fail;
fail:
if (olestr && coMalloc)
coMalloc->Free(olestr);
if (bindCtx)
bindCtx->Release();
delete[] devIdString;
m->Release();
}
classenum->Release();
if (!devFilter)
qWarning() << "Could't find the device "<<devName;
return devFilter;
}
QT_BEGIN_NAMESPACE
DSVideoDeviceControl::DSVideoDeviceControl(QObject *parent)
: QVideoDeviceControl(parent)
{
m_session = qobject_cast<DSCameraSession*>(parent);
devices.clear();
descriptions.clear();
CoInitialize(NULL);
ICreateDevEnum* pDevEnum = NULL;
IEnumMoniker* pEnum = NULL;
// Create the System device enumerator
HRESULT hr = CoCreateInstance(CLSID_SystemDeviceEnum, NULL,
CLSCTX_INPROC_SERVER, IID_ICreateDevEnum,
reinterpret_cast<void**>(&pDevEnum));
if(SUCCEEDED(hr)) {
// Create the enumerator for the video capture category
hr = pDevEnum->CreateClassEnumerator(
CLSID_VideoInputDeviceCategory, &pEnum, 0);
if (S_OK == hr) {
pEnum->Reset();
// go through and find all video capture devices
IMoniker* pMoniker = NULL;
while(pEnum->Next(1, &pMoniker, NULL) == S_OK) {
IPropertyBag *pPropBag;
hr = pMoniker->BindToStorage(0, 0, IID_IPropertyBag,
(void**)(&pPropBag));
if(FAILED(hr)) {
pMoniker->Release();
continue; // skip this one
}
// Find the description
WCHAR str[120];
VARIANT varName;
varName.vt = VT_BSTR;
hr = pPropBag->Read(L"FriendlyName", &varName, 0);
if(SUCCEEDED(hr)) {
wcsncpy(str, varName.bstrVal, sizeof(str)/sizeof(str[0]));
QString temp(QString::fromUtf16((unsigned short*)str));
devices.append(QString("ds:%1").arg(temp).toLocal8Bit().constData());
hr = pPropBag->Read(L"Description", &varName, 0);
wcsncpy(str, varName.bstrVal, sizeof(str)/sizeof(str[0]));
QString temp2(QString::fromUtf16((unsigned short*)str));
descriptions.append(temp2.toLocal8Bit().constData());
}
pPropBag->Release();
pMoniker->Release();
}
pEnum->Release();
}
pDevEnum->Release();
}
CoUninitialize();
selected = 0;
}
void DSServicePlugin::updateDevices() const
{
m_cameraDevices.clear();
m_cameraDescriptions.clear();
BOOL bFound = TRUE;
CoInitialize(NULL);
ICreateDevEnum* pDevEnum = NULL;
IEnumMoniker* pEnum = NULL;
// Create the System device enumerator
HRESULT hr = CoCreateInstance(CLSID_SystemDeviceEnum, NULL,
CLSCTX_INPROC_SERVER, IID_ICreateDevEnum,
reinterpret_cast<void**>(&pDevEnum));
if(SUCCEEDED(hr)) {
// Create the enumerator for the video capture category
hr = pDevEnum->CreateClassEnumerator(
CLSID_VideoInputDeviceCategory, &pEnum, 0);
if (S_OK == hr) {
pEnum->Reset();
// go through and find all video capture devices
IMoniker* pMoniker = NULL;
while(pEnum->Next(1, &pMoniker, NULL) == S_OK) {
IPropertyBag *pPropBag;
hr = pMoniker->BindToStorage(0,0,IID_IPropertyBag,
(void**)(&pPropBag));
if(FAILED(hr)) {
pMoniker->Release();
continue; // skip this one
}
bFound = TRUE;
// Find the description
WCHAR str[120];
VARIANT varName;
varName.vt = VT_BSTR;
hr = pPropBag->Read(L"FriendlyName", &varName, 0);
if(SUCCEEDED(hr)) {
wcsncpy(str, varName.bstrVal, sizeof(str)/sizeof(str[0]));
QString temp(QString::fromUtf16((unsigned short*)str));
m_cameraDevices.append(QString("ds:%1").arg(temp).toLocal8Bit().constData());
hr = pPropBag->Read(L"Description", &varName, 0);
wcsncpy(str, varName.bstrVal, sizeof(str)/sizeof(str[0]));
QString temp2(QString::fromUtf16((unsigned short*)str));
m_cameraDescriptions.append(temp2);
} else {
qWarning() << "No friendly name";
}
pPropBag->Release();
pMoniker->Release();
}
pEnum->Release();
}
pDevEnum->Release();
}
CoUninitialize();
if (!bFound) {
qWarning() << "No camera devices found";
}
}
bool MIPDirectShowCapture::getCaptureDevice(int deviceNumber)
{
ICreateDevEnum *pDevEnum = 0;
IEnumMoniker *pEnum = 0;
HRESULT hr = CoCreateInstance(CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC_SERVER, IID_ICreateDevEnum, (void **)(&pDevEnum));
if (HR_FAILED(hr))
{
setErrorString(MIPDIRECTSHOWCAPTURE_ERRSTR_CANTCREATEDEVICEENUMERATOR);
return false;
}
hr = pDevEnum->CreateClassEnumerator(CLSID_VideoInputDeviceCategory, &pEnum, 0);
if (HR_FAILED(hr))
{
pDevEnum->Release();
setErrorString(MIPDIRECTSHOWCAPTURE_ERRSTR_CANTCAPTUREENUMERATOR);
return false;
}
if (pEnum == 0)
{
pDevEnum->Release();
setErrorString(MIPDIRECTSHOWCAPTURE_ERRSTR_CANTFINDCAPTUREDEVICE);
return false;
}
IMoniker *pMoniker = NULL;
while (pEnum->Next(1, &pMoniker, NULL) == S_OK)
{
if (deviceNumber == 0)
{
hr = pMoniker->BindToObject(0, 0, IID_IBaseFilter, (void**)&m_pCaptDevice);
pMoniker->Release();
if (HR_SUCCEEDED(hr))
{
pEnum->Release();
pDevEnum->Release();
return true;
}
else
{
m_pCaptDevice = 0;
pEnum->Release();
pDevEnum->Release();
setErrorString(MIPDIRECTSHOWCAPTURE_ERRSTR_CANTBINDCAPTUREDEVICE);
return false;
}
}
else
deviceNumber--;
}
pEnum->Release();
pDevEnum->Release();
setErrorString(MIPDIRECTSHOWCAPTURE_ERRSTR_CANTFINDCAPTUREDEVICE);
return false;
}
int VideoCapture::EnumDevices()
{
int id = 0;
// enumerate all video capture devices
CComPtr<ICreateDevEnum> pCreateDevEnum;
HRESULT hr = CoCreateInstance(CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC_SERVER,
IID_ICreateDevEnum, (void**)&pCreateDevEnum);
if (hr != NOERROR) return -1;
CComPtr<IEnumMoniker> pEm;
hr = pCreateDevEnum->CreateClassEnumerator(CLSID_VideoInputDeviceCategory,
&pEm, 0);
if (hr != NOERROR) return -1 ;
pEm->Reset();
IMoniker *pM;
nDevices = 0;
while(hr = pEm->Next(1, &pM, NULL), hr==S_OK)
nDevices++;
if (nDevices==0) return -1;
pEm->Reset();
devices_names = new string[nDevices];
while(hr = pEm->Next(1, &pM, NULL), hr==S_OK)
{
IPropertyBag *pBag;
hr = pM->BindToStorage(0, 0, IID_IPropertyBag, (void **)&pBag);
if(SUCCEEDED(hr))
{
VARIANT var;
var.vt = VT_BSTR;
hr = pBag->Read(L"FriendlyName", &var, NULL);
if (hr == NOERROR)
{
TCHAR str[2048];
WideCharToMultiByte(CP_ACP,0,var.bstrVal, -1, str, 2048, NULL, NULL);
devices_names[id] = str;
id++;
SysFreeString(var.bstrVal);
}
pBag->Release();
}
pM->Release();
}
return id;
}
/** Accesses the correct visual studio instance if possible. */
bool AccessVisualStudio(CComPtr<EnvDTE::_DTE>& OutDTE, const FString& InSolutionPath, const TArray<FVSAccessorModule::VisualStudioLocation>& InLocations)
{
bool bSuccess = false;
// Open the Running Object Table (ROT)
IRunningObjectTable* RunningObjectTable;
if (SUCCEEDED(GetRunningObjectTable(0, &RunningObjectTable)) &&
RunningObjectTable)
{
IEnumMoniker* MonikersTable;
RunningObjectTable->EnumRunning(&MonikersTable);
MonikersTable->Reset();
// Look for all visual studio instances in the ROT
IMoniker* CurrentMoniker;
while (!bSuccess && MonikersTable->Next(1, &CurrentMoniker, NULL) == S_OK)
{
IBindCtx* BindContext;
LPOLESTR OutName;
CComPtr<IUnknown> ComObject;
if (SUCCEEDED(CreateBindCtx(0, &BindContext)) &&
SUCCEEDED(CurrentMoniker->GetDisplayName(BindContext, NULL, &OutName)) &&
IsVisualStudioMoniker(FString(OutName), InLocations) &&
SUCCEEDED(RunningObjectTable->GetObject(CurrentMoniker, &ComObject)))
{
CComPtr<EnvDTE::_DTE> TempDTE;
TempDTE = ComObject;
// Get the solution path for this instance
// If it equals the solution we would have opened above in RunVisualStudio(), we'll take that
CComPtr<EnvDTE::_Solution> Solution;
LPOLESTR OutPath;
if (SUCCEEDED(TempDTE->get_Solution(&Solution)) &&
SUCCEEDED(Solution->get_FullName(&OutPath)))
{
FString Filename(OutPath);
FPaths::NormalizeFilename(Filename);
if( Filename == InSolutionPath )
{
OutDTE = TempDTE;
bSuccess = true;
}
}
}
BindContext->Release();
CurrentMoniker->Release();
}
MonikersTable->Release();
RunningObjectTable->Release();
}
return bSuccess;
}
//枚举设备
HRESULT CCaptureDevice::EnumDevices( REFCLSID clsidDeviceClass, ENUMCALLBACK pEnumCallBack, LPVOID lp )
{
//创建枚举组件
ICreateDevEnum *pCreateDevEnum;
HRESULT hr;
VARIANT var;
hr = CoCreateInstance( CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC_SERVER,IID_ICreateDevEnum, (void**)&pCreateDevEnum );
if( hr==S_OK )
{
//创建枚举器
IEnumMoniker* pEm;
hr = pCreateDevEnum->CreateClassEnumerator( clsidDeviceClass, &pEm, 0 );
if( hr==S_OK )
{
if( pEm )
{
//复位
pEm->Reset();
//准备顺序找设备
ULONG cFetched;
IMoniker *pM;
BOOL bCancel = false;
int index = 0;
while( !bCancel && (hr = pEm->Next(1, &pM, &cFetched), hr==S_OK) )
{
IPropertyBag *pBag;
hr = pM->BindToStorage(0, 0, IID_IPropertyBag, (void **)&pBag);
if(hr==S_OK)
{
ZeroMemory( &var, sizeof(var) );
var.vt = VT_BSTR;
hr = pBag->Read(L"FriendlyName", &var, NULL);
if(hr==S_OK && var.bstrVal!=0 )
{
if(pEnumCallBack)
hr = pEnumCallBack( index, &var, pM, lp, bCancel );
SysFreeString(var.bstrVal);
}
pBag->Release();
}
pM->Release();
index++;
}
//释放
pEm->Release();
}
}
pCreateDevEnum->Release();
}
return hr;
}
int CCameraDS::CameraName(int nCamID, char* sName, int nBufferSize)
{
int count = 0;
CoInitialize(NULL);
// enumerate all video capture devices
CComPtr<ICreateDevEnum> pCreateDevEnum;
HRESULT hr = CoCreateInstance(CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC_SERVER,
IID_ICreateDevEnum, (void**)&pCreateDevEnum);
CComPtr<IEnumMoniker> pEm;
hr = pCreateDevEnum->CreateClassEnumerator(CLSID_VideoInputDeviceCategory,
&pEm, 0);
if (hr != NOERROR) return 0;
pEm->Reset();
ULONG cFetched;
IMoniker *pM;
while(hr = pEm->Next(1, &pM, &cFetched), hr==S_OK)
{
if (count == nCamID)
{
IPropertyBag *pBag=0;
hr = pM->BindToStorage(0, 0, IID_IPropertyBag, (void **)&pBag);
if(SUCCEEDED(hr))
{
VARIANT var;
var.vt = VT_BSTR;
hr = pBag->Read(L"FriendlyName", &var, NULL); //还有其他属性,像描述信息等等...
if(hr == NOERROR)
{
//获取设备名称
WideCharToMultiByte(CP_ACP,0,var.bstrVal,-1,sName, nBufferSize ,"",NULL);
SysFreeString(var.bstrVal);
}
pBag->Release();
}
pM->Release();
break;
}
count++;
}
pCreateDevEnum = NULL;
pEm = NULL;
return 1;
}
HRESULT CaptureGraph::GetCaptureFilters(int *filterCount, CListBox *captureFilterList)
{
HRESULT hr;
int maxFilterCount = *filterCount;
ICreateDevEnum *pSysVideoCaptureEnum = NULL;
hr = CoCreateInstance(CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC_SERVER, IID_ICreateDevEnum, (void **)&pSysVideoCaptureEnum);
if (FAILED(hr))
{
return hr;
}
IBaseFilter *pVideoCapture = NULL;
IEnumMoniker *pEnumMoniker = NULL;
hr = pSysVideoCaptureEnum->CreateClassEnumerator(CLSID_VideoInputDeviceCategory, &pEnumMoniker, 0);
if (hr == S_OK)
{
IMoniker *pMoniker = NULL;
ULONG fetched;
int filterIndex = 0;
while(pEnumMoniker->Next(1, &pMoniker, &fetched) == S_OK)
{
IPropertyBag *pPropBag;
hr = pMoniker->BindToStorage(0, 0, IID_IPropertyBag, (void **)&pPropBag);
if(SUCCEEDED(hr))
{
VARIANT varName;
VariantInit(&varName);
hr = pPropBag->Read(L"FriendlyName", &varName, 0);
if(SUCCEEDED(hr))
{
ASSERT(varName.vt == VT_BSTR);
CString friendlyName(varName.bstrVal);
VariantClear(&varName);
pPropBag->Release();
filterIndex ++;
captureFilterList->AddString(friendlyName);
int currentFilterIndex = captureFilterList->FindStringExact(-1, friendlyName);
captureFilterList->SetItemDataPtr(currentFilterIndex, pMoniker);
if(filterIndex > maxFilterCount)
{
*filterCount = filterIndex;
break;
}
}
}
}
pEnumMoniker->Release();
}
pSysVideoCaptureEnum->Release();
}