HRESULT CFLVConverter::CreateVideoCompressor(IBaseFilter** ppFilter)
{
// Video capture category
static WCHAR szMon[] = L"@device:cm:{33D9A760-90C8-11D0-BD43-00A0C911CE86}\\msvc";
IBindCtx *pBindCtx;
ULONG chEaten = 0;
IMoniker *pMoniker = 0;
if(!ppFilter) return E_POINTER;
*ppFilter = NULL;
HRESULT hr = CreateBindCtx(0, &pBindCtx);
hr = MkParseDisplayName(pBindCtx, szMon, &chEaten, &pMoniker);
pBindCtx->Release();
if (SUCCEEDED(hr))
{
hr = pMoniker->BindToObject(0, 0, IID_IBaseFilter, (void**) ppFilter);
//need not: hr = pGB->AddFilter(ppFilter, L"MSVC1");
pMoniker->Release();
}
return hr;
}
IBaseFilter *GetAudioDevice (){
// Create the system device enumerator.
ICreateDevEnum *pDevEnum = NULL;
CoCreateInstance(CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC,
IID_ICreateDevEnum, (void **)&pDevEnum);
// Create an enumerator for video capture devices.
IEnumMoniker *pClassEnum = NULL;
pDevEnum->CreateClassEnumerator(CLSID_AudioInputDeviceCategory, &pClassEnum, 0);
ULONG cFetched;
IMoniker *pMoniker = NULL;
IBaseFilter *pSrc = NULL;
if (pClassEnum->Next(1, &pMoniker, &cFetched) == S_OK)
{
// Bind the first moniker to a filter object.
pMoniker->BindToObject(0, 0, IID_IBaseFilter, (void**)&pSrc);
pMoniker->Release();
}
pClassEnum->Release();
pDevEnum->Release();
return pSrc;
}
Camera::Camera(bool Show,bool Start) : eHandler(this),_realData(false),_UpdateWindow(Show),_LastData(0),_CurData(0) {
DWORD no;
IGraphBuilder *graph = 0;
ctrl = 0;
ICreateDevEnum *devs = 0;
IEnumMoniker *cams = 0;
IMoniker *mon = 0;
IBaseFilter *cam = 0;
IEnumPins *pins = 0;
IPin *pin = 0;
IEnumFilters *fil = 0;
IBaseFilter *rnd = 0;
IMemInputPin *mem = 0;
curCamera = this;
_isOn = Start;
CoCreateInstance( CLSID_FilterGraph, 0, CLSCTX_INPROC,IID_IGraphBuilder, (void **)&graph );
graph->QueryInterface( IID_IMediaControl, (void **)&ctrl );
CoCreateInstance (CLSID_SystemDeviceEnum, 0, CLSCTX_INPROC, IID_ICreateDevEnum, (void **) &devs);
devs->CreateClassEnumerator (CLSID_VideoInputDeviceCategory, &cams, 0);
cams->Next (1,&mon,0); // get first found capture device (webcam)
mon->BindToObject(0,0,IID_IBaseFilter, (void**)&cam);
graph->AddFilter(cam, L"Capture Source"); // add web cam to graph as source
cam->EnumPins(&pins); // we need output pin to autogenerate rest of the graph
pins->Next(1,&pin, 0); // via graph->Render
graph->Render(pin); // graph builder now builds whole filter chain including MJPG decompression on some webcams
graph->EnumFilters(&fil); // from all newly added filters
fil->Next(1,&rnd,0); // we find last one (renderer)
rnd->EnumPins(&pins); // because data we are intersted in are pumped to renderers input pin
pins->Next(1,&pin, 0); // via Receive member of IMemInputPin interface
pin->QueryInterface(IID_IMemInputPin,(void**)&mem);
DsHook(mem,6,Receive); // so we redirect it to our own proc to grab image data
if (Start) this->Start();
}
HRESULT CaptureGraph::BuildGraphFromListBox(CListBox *captureFilterList, int selectedIndex)
{
if(pGraph != NULL)
{
HRESULT hr;
//dump the graph
IMoniker *pSelectedCaptureMoniker = (IMoniker *)captureFilterList->GetItemDataPtr(selectedIndex);
IBaseFilter *pCaptureFilter = NULL;
hr = pSelectedCaptureMoniker->BindToObject(NULL, NULL, IID_IBaseFilter, (void **)&pCaptureFilter);
if(FAILED(hr))
{
return hr;
}
pGraph->AddFilter(pCaptureFilter, L"Video Capture");
hr = pCaptureBuilder2->RenderStream(&PIN_CATEGORY_PREVIEW, &MEDIATYPE_Video, pCaptureFilter, NULL, NULL);
if(FAILED(hr))
{
return hr;
}
hr = SaveGraphFile(pGraph, L"D:\\VideoCapture.grf");
return hr;
}
return E_FAIL;
}
void TestCamera()
{
InitOpenCL();
//TCHAR szDeviceName[80];
//TCHAR szDeviceVersion[80];
//for (int wIndex = 0; wIndex < 10; wIndex++)
//{
// if (capGetDriverDescription(
// wIndex,
// szDeviceName,
// sizeof (szDeviceName),
// szDeviceVersion,
// sizeof (szDeviceVersion)
// ))
// {
// // Append name to list of installed capture drivers
// // and then let the user select a driver to use.
// }
//}
//HWND hWndC = capCreateCaptureWindow(TEXT("PunkCapture"),
// WS_CHILD | WS_VISIBLE, 0, 0, 160, 120, *System::Window::Instance(), 1);
//SendMessage (hWndC, WM_CAP_DRIVER_CONNECT, 0, 0L);
////
//// Or, use the macro to connect to the MSVIDEO driver:
//// fOK = capDriverConnect(hWndC, 0);
////
//// Place code to set up and capture video here.
////
////capDriverDisconnect (hWndC);
//CAPDRIVERCAPS CapDriverCaps = { };
//CAPSTATUS CapStatus = { };
//capDriverGetCaps(hWndC, &CapDriverCaps, sizeof(CAPDRIVERCAPS));
//// Video source dialog box.
//if (CapDriverCaps.fHasDlgVideoSource)
//{
// capDlgVideoSource(hWndC);
//}
//// Video format dialog box.
//if (CapDriverCaps.fHasDlgVideoFormat)
//{
// capDlgVideoFormat(hWndC);
// // Are there new image dimensions?
// capGetStatus(hWndC, &CapStatus, sizeof (CAPSTATUS));
// // If so, notify the parent of a size change.
//}
//// Video display dialog box.
//if (CapDriverCaps.fHasDlgVideoDisplay)
//{
// capDlgVideoDisplay(hWndC);
//}
HRESULT hr;
IGraphBuilder* graph= 0; hr = CoCreateInstance( CLSID_FilterGraph, 0, CLSCTX_INPROC,IID_IGraphBuilder, (void **)&graph );
IMediaControl* ctrl = 0; hr = graph->QueryInterface( IID_IMediaControl, (void **)&ctrl );
ICreateDevEnum* devs = 0; hr = CoCreateInstance (CLSID_SystemDeviceEnum, 0, CLSCTX_INPROC, IID_ICreateDevEnum, (void **) &devs);
IEnumMoniker* cams = 0; hr = devs?devs->CreateClassEnumerator (CLSID_VideoInputDeviceCategory, &cams, 0):0;
IMoniker* mon = 0; hr = cams->Next (1,&mon,0); // get first found capture device (webcam?)
IBaseFilter* cam = 0; hr = mon->BindToObject(0,0,IID_IBaseFilter, (void**)&cam);
hr = graph->AddFilter(cam, L"Capture Source"); // add web cam to graph as source
IEnumPins* pins = 0; hr = cam?cam->EnumPins(&pins):0; // we need output pin to autogenerate rest of the graph
IPin* pin = 0; hr = pins?pins->Next(1,&pin, 0):0; // via graph->Render
hr = graph->Render(pin); // graph builder now builds whole filter chain including MJPG decompression on some webcams
IEnumFilters* fil = 0; hr = graph->EnumFilters(&fil); // from all newly added filters
IBaseFilter* rnd = 0; hr = fil->Next(1,&rnd,0); // we find last one (renderer)
hr = rnd->EnumPins(&pins); // because data we are intersted in are pumped to renderers input pin
hr = pins->Next(1,&pin, 0); // via Receive member of IMemInputPin interface
IMemInputPin* mem = 0; hr = pin->QueryInterface(IID_IMemInputPin,(void**)&mem);
DsHook(mem,6,Receive); // so we redirect it to our own proc to grab image data
hr = ctrl->Run();
};
HRESULT RecordGraph::BuildGraph(CString recordFileName)
{
HRESULT hr;
ICreateDevEnum *pSysAudioCaptureEnum = NULL;
hr = CoCreateInstance(CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC_SERVER, IID_ICreateDevEnum, (void **)&pSysAudioCaptureEnum);
if (FAILED(hr))
{
return hr;
}
IBaseFilter *pAudioCapture = NULL;
IEnumMoniker *pEnumMoniker = NULL;
hr = pSysAudioCaptureEnum->CreateClassEnumerator(CLSID_AudioInputDeviceCategory, &pEnumMoniker, 0);
if (hr == S_OK)
{
IMoniker *pMoniker = NULL;
ULONG fetched;
BOOL findMicrophone = FALSE;
while(pEnumMoniker->Next(1, &pMoniker, &fetched) == S_OK && !findMicrophone)
{
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);
if(friendlyName.Find(L"Microphone") >= 0)
{
hr = pMoniker->BindToObject(NULL, NULL, IID_IBaseFilter, (void **)&pAudioCapture);
findMicrophone = TRUE;
}
VariantClear(&varName);
pPropBag->Release();
}
}
}
pEnumMoniker->Release();
}
pSysAudioCaptureEnum->Release();
if(pAudioCapture == NULL)
{
return S_FALSE;
}
pBuilder->AddFilter(pAudioCapture, L"Audio Capture");
IBaseFilter *pWaveDest = NULL;
hr = CoCreateInstance(CLSID_WavDest, NULL, CLSCTX_INPROC_SERVER, IID_IBaseFilter, (void **)&pWaveDest);
if(FAILED(hr))
{
return hr;
}
pBuilder->AddFilter(pWaveDest, L"Wave Dest");
IBaseFilter *pFileWriter = NULL;
hr = CoCreateInstance(CLSID_FileWriter, NULL, CLSCTX_INPROC_SERVER, IID_IBaseFilter, (void **)&pFileWriter);
if(FAILED(hr))
{
return hr;
}
pBuilder->AddFilter(pFileWriter, L"File Writer");
IFileSinkFilter *pFileSetter = NULL;
hr = pFileWriter->QueryInterface(IID_IFileSinkFilter, (void **)&pFileSetter);
if(FAILED(hr))
{
return hr;
}
AM_MEDIA_TYPE pmt;
pmt.majortype = MEDIATYPE_Stream;
pmt.subtype = MEDIASUBTYPE_WAVE;
pmt.formattype = FORMAT_WaveFormatEx;
hr = pFileSetter->SetFileName(recordFileName, &pmt);
hr = ConnectFilters(pBuilder, pAudioCapture, pWaveDest, MEDIATYPE_NULL);if(FAILED(hr)) return hr;
hr = ConnectFilters(pBuilder, pWaveDest, pFileWriter, MEDIATYPE_NULL);//if(FAILED(hr)) return hr;
SaveGraphFile(pBuilder, L"D:\\Record.grf");
pFileSetter->Release();
pFileWriter->Release();
pWaveDest->Release();
pAudioCapture->Release();
}
IBaseFilter * GetFilter(const char * fname)
{
HRESULT hr;
IFilterMapper3 * pFM3;
hr = CoCreateInstance(CLSID_FilterMapper2, NULL, CLSCTX_INPROC_SERVER,
IID_IFilterMapper3, (void **)&pFM3);
ICreateDevEnum *pSysDevEnum = NULL;
hr = pFM3->GetICreateDevEnum(&pSysDevEnum);
/*
hr = CoCreateInstance(CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC_SERVER,
IID_ICreateDevEnum, (void **)&pSysDevEnum);
*/
if (FAILED(hr))
{
return NULL;
}
IEnumMoniker *pEnumCat = NULL;
hr = pSysDevEnum->CreateClassEnumerator(CLSID_LegacyAmFilterCategory, &pEnumCat, 0);
char str[BUFSIZE_MONIKER_INF];
IBaseFilter *pFilter = NULL;
if (hr == S_OK)
{
// Enumerate the monikers.
IMoniker *pMoniker = NULL;
ULONG cFetched;
// cout << "Seeking ffdshow Video Decoder" << endl;
int ifilter = 0;
while(pEnumCat->Next(1, &pMoniker, &cFetched) == S_OK && pFilter == NULL)
{
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))
{
wcstombs(str, varName.bstrVal, BUFSIZE_MONIKER_INF);
// cout << ifilter << ":" << str << endl;
if(strcmp(str, fname) == 0){
hr = pMoniker->BindToObject(NULL, NULL, IID_IBaseFilter,
(void**)&pFilter);
}
}
VariantClear(&varName);
pPropBag->Release();
}
ifilter++;
pMoniker->Release();
}
pEnumCat->Release();
}
pSysDevEnum->Release();
pFM3->Release();
return pFilter;
}
static GstCaps *
gst_dshowaudiosrc_get_caps (GstBaseSrc * basesrc)
{
HRESULT hres = S_OK;
IBindCtx *lpbc = NULL;
IMoniker *audiom = NULL;
DWORD dwEaten;
GstDshowAudioSrc *src = GST_DSHOWAUDIOSRC (basesrc);
gunichar2 *unidevice = NULL;
if (src->device) {
g_free (src->device);
src->device = NULL;
}
src->device =
gst_dshow_getdevice_from_devicename (&CLSID_AudioInputDeviceCategory,
&src->device_name);
if (!src->device) {
GST_ERROR ("No audio device found.");
return NULL;
}
unidevice =
g_utf8_to_utf16 (src->device, strlen (src->device), NULL, NULL, NULL);
if (!src->audio_cap_filter) {
hres = CreateBindCtx (0, &lpbc);
if (SUCCEEDED (hres)) {
hres =
MkParseDisplayName (lpbc, (LPCOLESTR) unidevice, &dwEaten, &audiom);
if (SUCCEEDED (hres)) {
hres = audiom->BindToObject (lpbc, NULL, IID_IBaseFilter,
(LPVOID *) & src->audio_cap_filter);
audiom->Release ();
}
lpbc->Release ();
}
}
if (src->audio_cap_filter && !src->caps) {
/* get the capture pins supported types */
IPin *capture_pin = NULL;
IEnumPins *enumpins = NULL;
HRESULT hres;
hres = src->audio_cap_filter->EnumPins (&enumpins);
if (SUCCEEDED (hres)) {
while (enumpins->Next (1, &capture_pin, NULL) == S_OK) {
IKsPropertySet *pKs = NULL;
hres =
capture_pin->QueryInterface (IID_IKsPropertySet, (LPVOID *) & pKs);
if (SUCCEEDED (hres) && pKs) {
DWORD cbReturned;
GUID pin_category;
RPC_STATUS rpcstatus;
hres =
pKs->Get (AMPROPSETID_Pin,
AMPROPERTY_PIN_CATEGORY, NULL, 0, &pin_category, sizeof (GUID),
&cbReturned);
/* we only want capture pins */
if (UuidCompare (&pin_category, (UUID *) & PIN_CATEGORY_CAPTURE,
&rpcstatus) == 0) {
IAMStreamConfig *streamcaps = NULL;
if (SUCCEEDED (capture_pin->QueryInterface (IID_IAMStreamConfig,
(LPVOID *) & streamcaps))) {
src->caps =
gst_dshowaudiosrc_getcaps_from_streamcaps (src, capture_pin,
streamcaps);
streamcaps->Release ();
}
}
pKs->Release ();
}
capture_pin->Release ();
}
enumpins->Release ();
}
}
if (unidevice) {
g_free (unidevice);
}
if (src->caps) {
return gst_caps_ref (src->caps);
}
return NULL;
}
static int v4w_open_videodevice(V4wState *s)
{
// Initialize COM
CoInitialize(NULL);
// get a Graph
HRESULT hr= CoCreateInstance (CLSID_FilterGraph,
NULL,
CLSCTX_INPROC_SERVER,
IID_IGraphBuilder, //IID_IBaseFilter,
(void **)&s->m_pGraph);
if(FAILED(hr))
{
return -1;
}
// get a CaptureGraphBuilder2
hr= CoCreateInstance (CLSID_CaptureGraphBuilder2,
NULL,
CLSCTX_INPROC_SERVER,
IID_ICaptureGraphBuilder2, //IID_IBaseFilter,
(void **)&s->m_pBuilder);
if(FAILED(hr))
{
return -2;
}
// connect capture graph builder with the graph
s->m_pBuilder->SetFiltergraph(s->m_pGraph);
// get mediacontrol so we can start and stop the filter graph
hr=s->m_pGraph->QueryInterface (IID_IMediaControl, (void **)&s->m_pControl);
if(FAILED(hr))
{
return -3;
}
ICreateDevEnum *pCreateDevEnum = NULL;
IEnumMoniker *pEnumMoniker = NULL;
IMoniker *pMoniker = NULL;
ULONG nFetched = 0;
hr = CoCreateInstance(CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC_SERVER,
IID_ICreateDevEnum, (PVOID *)&pCreateDevEnum);
if(FAILED(hr))
{
return -4;
}
hr = pCreateDevEnum->CreateClassEnumerator(CLSID_VideoInputDeviceCategory,
&pEnumMoniker, 0);
if (FAILED(hr) || pEnumMoniker == NULL) {
//printf("no device\n");
return -5;
}
pEnumMoniker->Reset();
int pos=0;
while(S_OK == pEnumMoniker->Next(1, &pMoniker, &nFetched) )
{
IPropertyBag *pBag;
hr = pMoniker->BindToStorage( 0, 0, IID_IPropertyBag, (void**) &pBag );
if( hr != S_OK )
continue;
if (s->dev[0]=='\0')
break;
VARIANT var;
VariantInit(&var);
hr = pBag->Read( L"FriendlyName", &var, NULL );
if( hr != S_OK )
{
pMoniker->Release();
continue;
}
//USES_CONVERSION;
char szName[256];
WideCharToMultiByte(CP_UTF8,0,var.bstrVal,-1,szName,256,0,0);
VariantClear(&var);
if (strcmp(szName, s->dev)==0)
break;
pMoniker->Release();
pBag->Release();
pMoniker=NULL;
pBag=NULL;
}
if(pMoniker==NULL)
{
return -6;
}
hr = pMoniker->BindToObject(0, 0, IID_IBaseFilter, (void**)&s->m_pDeviceFilter );
if(FAILED(hr))
{
return -7;
}
s->m_pGraph->AddFilter(s->m_pDeviceFilter, L"Device Filter");
pMoniker->Release();
pEnumMoniker->Release();
pCreateDevEnum->Release();
GUID pPinCategory;
if (try_format(s->m_pDeviceFilter, s->pix_fmt, &pPinCategory)==0)
s->pix_fmt = s->pix_fmt;
else if (try_format(s->m_pDeviceFilter,MS_YUV420P, &pPinCategory)==0)
s->pix_fmt = MS_YUV420P;
else if (try_format(s->m_pDeviceFilter,MS_YUY2, &pPinCategory)==0)
s->pix_fmt = MS_YUY2;
else if (try_format(s->m_pDeviceFilter,MS_YUYV, &pPinCategory)==0)
s->pix_fmt = MS_YUYV;
else if (try_format(s->m_pDeviceFilter,MS_UYVY, &pPinCategory)==0)
s->pix_fmt = MS_UYVY;
else if (try_format(s->m_pDeviceFilter,MS_RGB24, &pPinCategory)==0)
s->pix_fmt = MS_RGB24;
else
{
ms_error("Unsupported video pixel format.");
return -8;
}
if (s->pix_fmt == MS_YUV420P)
ms_message("Driver supports YUV420P, using that format.");
else if (s->pix_fmt == MS_YUY2)
ms_message("Driver supports YUY2 (YUYV), using that format.");
else if (s->pix_fmt == MS_YUYV)
ms_message("Driver supports YUV422, using that format.");
else if (s->pix_fmt == MS_UYVY)
ms_message("Driver supports UYVY, using that format.");
else if (s->pix_fmt == MS_RGB24)
ms_message("Driver supports RGB24, using that format.");
if (try_format_size(s, s->pix_fmt, s->vsize.width, s->vsize.height, &pPinCategory)==0)
ms_message("Selected Size: %ix%i.", s->vsize.width, s->vsize.height);
else if (try_format_size(s, s->pix_fmt, MS_VIDEO_SIZE_QCIF_W, MS_VIDEO_SIZE_QCIF_H, &pPinCategory)==0)
ms_message("Selected Size: %ix%i.", MS_VIDEO_SIZE_QCIF_W, MS_VIDEO_SIZE_QCIF_H);
else if (try_format_size(s, s->pix_fmt, MS_VIDEO_SIZE_CIF_W, MS_VIDEO_SIZE_CIF_H, &pPinCategory)==0)
ms_message("Selected Size: %ix%i.", MS_VIDEO_SIZE_CIF_W, MS_VIDEO_SIZE_CIF_H);
else if (try_format_size(s, s->pix_fmt, MS_VIDEO_SIZE_4CIF_W, MS_VIDEO_SIZE_4CIF_H, &pPinCategory)==0)
ms_message("Selected Size: %ix%i.", MS_VIDEO_SIZE_4CIF_W, MS_VIDEO_SIZE_4CIF_H);
else if (try_format_size(s, s->pix_fmt, MS_VIDEO_SIZE_QVGA_W, MS_VIDEO_SIZE_QVGA_H, &pPinCategory)==0)
ms_message("Selected Size: %ix%i.", MS_VIDEO_SIZE_QVGA_W, MS_VIDEO_SIZE_QVGA_H);
else if (try_format_size(s, s->pix_fmt, MS_VIDEO_SIZE_QQVGA_W, MS_VIDEO_SIZE_QQVGA_H, &pPinCategory)==0)
ms_message("Selected Size: %ix%i.", MS_VIDEO_SIZE_QQVGA_W, MS_VIDEO_SIZE_QQVGA_H);
else if (try_format_size(s, s->pix_fmt, MS_VIDEO_SIZE_NS1_W, MS_VIDEO_SIZE_NS1_H, &pPinCategory)==0)
ms_message("Selected Size: %ix%i.", MS_VIDEO_SIZE_NS1_W, MS_VIDEO_SIZE_NS1_H);
else if (try_format_size(s, s->pix_fmt, MS_VIDEO_SIZE_QSIF_W, MS_VIDEO_SIZE_QSIF_H, &pPinCategory)==0)
ms_message("Selected Size: %ix%i.", MS_VIDEO_SIZE_QSIF_W, MS_VIDEO_SIZE_QSIF_H);
else if (try_format_size(s, s->pix_fmt, MS_VIDEO_SIZE_SIF_W, MS_VIDEO_SIZE_SIF_H, &pPinCategory)==0)
ms_message("Selected Size: %ix%i.", MS_VIDEO_SIZE_SIF_W, MS_VIDEO_SIZE_SIF_H);
else if (try_format_size(s, s->pix_fmt, MS_VIDEO_SIZE_VGA_W, MS_VIDEO_SIZE_VGA_H, &pPinCategory)==0)
ms_message("Selected Size: %ix%i.", MS_VIDEO_SIZE_VGA_W, MS_VIDEO_SIZE_VGA_H);
else if (try_format_size(s, s->pix_fmt, MS_VIDEO_SIZE_SDTV_W, MS_VIDEO_SIZE_SDTV_H, &pPinCategory)==0)
ms_message("Selected Size: %ix%i.", MS_VIDEO_SIZE_SDTV_W, MS_VIDEO_SIZE_SDTV_H);
else if (try_format_size(s, s->pix_fmt, MS_VIDEO_SIZE_288P_W, MS_VIDEO_SIZE_288P_H, &pPinCategory)==0)
ms_message("Selected Size: %ix%i.", MS_VIDEO_SIZE_288P_W, MS_VIDEO_SIZE_288P_H);
else if (try_format_size(s, s->pix_fmt, MS_VIDEO_SIZE_448P_W, MS_VIDEO_SIZE_448P_H, &pPinCategory)==0)
ms_message("Selected Size: %ix%i.", MS_VIDEO_SIZE_448P_W, MS_VIDEO_SIZE_448P_H);
else if (try_format_size(s, s->pix_fmt, MS_VIDEO_SIZE_576P_W, MS_VIDEO_SIZE_576P_H, &pPinCategory)==0)
ms_message("Selected Size: %ix%i.", MS_VIDEO_SIZE_576P_W, MS_VIDEO_SIZE_576P_H);
else if (try_format_size(s, s->pix_fmt, MS_VIDEO_SIZE_720P_W, MS_VIDEO_SIZE_720P_H, &pPinCategory)==0)
ms_message("Selected Size: %ix%i.", MS_VIDEO_SIZE_720P_W, MS_VIDEO_SIZE_720P_H);
else if (try_format_size(s, s->pix_fmt, MS_VIDEO_SIZE_1080P_W, MS_VIDEO_SIZE_1080P_H, &pPinCategory)==0)
ms_message("Selected Size: %ix%i.", MS_VIDEO_SIZE_1080P_W, MS_VIDEO_SIZE_1080P_H);
else if (try_format_size(s, s->pix_fmt, MS_VIDEO_SIZE_4SIF_W, MS_VIDEO_SIZE_4SIF_H, &pPinCategory)==0)
ms_message("Selected Size: %ix%i.", MS_VIDEO_SIZE_4SIF_W, MS_VIDEO_SIZE_4SIF_H);
else if (try_format_size(s, s->pix_fmt, MS_VIDEO_SIZE_SVGA_W, MS_VIDEO_SIZE_SVGA_H, &pPinCategory)==0)
ms_message("Selected Size: %ix%i.", MS_VIDEO_SIZE_SVGA_W, MS_VIDEO_SIZE_SVGA_H);
else if (try_format_size(s, s->pix_fmt, MS_VIDEO_SIZE_XGA_W, MS_VIDEO_SIZE_XGA_H, &pPinCategory)==0)
ms_message("Selected Size: %ix%i.", MS_VIDEO_SIZE_XGA_W, MS_VIDEO_SIZE_XGA_H);
else if (try_format_size(s, s->pix_fmt, MS_VIDEO_SIZE_WXGA_W, MS_VIDEO_SIZE_WXGA_H, &pPinCategory)==0)
ms_message("Selected Size: %ix%i.", MS_VIDEO_SIZE_WXGA_W, MS_VIDEO_SIZE_WXGA_H);
else if (try_format_size(s, s->pix_fmt, MS_VIDEO_SIZE_HDTVP_W, MS_VIDEO_SIZE_HDTVP_H, &pPinCategory)==0)
ms_message("Selected Size: %ix%i.", MS_VIDEO_SIZE_HDTVP_W, MS_VIDEO_SIZE_HDTVP_H);
else
{
ms_error("No supported size found for format.");
/* size not supported? */
return -9;
}
// get DXFilter
s->m_pDXFilter = new CDXFilter(NULL, &hr, FALSE);
if(s->m_pDXFilter==NULL)
{
return -10;
}
s->m_pDXFilter->AddRef();
CMediaType mt;
mt.SetType(&MEDIATYPE_Video);
GUID m = MEDIASUBTYPE_RGB24;
if (s->pix_fmt == MS_YUV420P)
m = (GUID)FOURCCMap(MAKEFOURCC('I','4','2','0'));
else if (s->pix_fmt == MS_YUY2)
m = MEDIASUBTYPE_YUY2;
else if (s->pix_fmt == MS_YUYV)
m = MEDIASUBTYPE_YUYV;
else if (s->pix_fmt == MS_UYVY)
m = MEDIASUBTYPE_UYVY;
else if (s->pix_fmt == MS_RGB24)
m = MEDIASUBTYPE_RGB24;
mt.SetSubtype(&m);
mt.formattype = FORMAT_VideoInfo;
mt.SetTemporalCompression(FALSE);
VIDEOINFO *pvi = (VIDEOINFO *)
mt.AllocFormatBuffer(sizeof(VIDEOINFO));
if (NULL == pvi)
return -11;
ZeroMemory(pvi, sizeof(VIDEOINFO));
if (s->pix_fmt == MS_YUV420P)
pvi->bmiHeader.biCompression = MAKEFOURCC('I','4','2','0');
else if (s->pix_fmt == MS_YUY2)
pvi->bmiHeader.biCompression = MAKEFOURCC('Y','U','Y','2');
else if (s->pix_fmt == MS_YUYV)
pvi->bmiHeader.biCompression = MAKEFOURCC('Y','U','Y','V');
else if (s->pix_fmt == MS_UYVY)
pvi->bmiHeader.biCompression = MAKEFOURCC('U','Y','V','Y');
else if (s->pix_fmt == MS_RGB24)
pvi->bmiHeader.biCompression = BI_RGB;
if (s->pix_fmt == MS_YUV420P)
pvi->bmiHeader.biBitCount = 12;
else if (s->pix_fmt == MS_YUY2)
pvi->bmiHeader.biBitCount = 16;
else if (s->pix_fmt == MS_YUYV)
pvi->bmiHeader.biBitCount = 16;
else if (s->pix_fmt == MS_UYVY)
pvi->bmiHeader.biBitCount = 16;
else if (s->pix_fmt == MS_RGB24)
pvi->bmiHeader.biBitCount = 24;
pvi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
pvi->bmiHeader.biWidth = s->vsize.width;
pvi->bmiHeader.biHeight = s->vsize.height;
pvi->bmiHeader.biPlanes = 1;
pvi->bmiHeader.biSizeImage = GetBitmapSize(&pvi->bmiHeader);
pvi->bmiHeader.biClrImportant = 0;
mt.SetSampleSize(pvi->bmiHeader.biSizeImage);
mt.SetFormat((BYTE*)pvi, sizeof(VIDEOINFO));
hr = s->m_pDXFilter->SetAcceptedMediaType(&mt);
if(FAILED(hr))
{
return -12;
}
hr = s->m_pDXFilter->SetCallback(Callback);
if(FAILED(hr))
{
return -13;
}
hr = s->m_pDXFilter->QueryInterface(IID_IBaseFilter,
(LPVOID *)&s->m_pIDXFilter);
if(FAILED(hr))
{
return -14;
}
hr = s->m_pGraph->AddFilter(s->m_pIDXFilter, L"DXFilter Filter");
if(FAILED(hr))
{
return -15;
}
// get null renderer
hr=CoCreateInstance (CLSID_NullRenderer,
NULL,
CLSCTX_INPROC_SERVER,
IID_IBaseFilter,
(void **)&s->m_pNullRenderer);
if(FAILED(hr))
{
return -16;
}
if (s->m_pNullRenderer!=NULL)
{
s->m_pGraph->AddFilter(s->m_pNullRenderer, L"Null Renderer");
}
hr = s->m_pBuilder->RenderStream(&pPinCategory,
&MEDIATYPE_Video, s->m_pDeviceFilter, s->m_pIDXFilter, s->m_pNullRenderer);
if (FAILED(hr))
{
return -17;
}
IAMStreamConfig *pConfig = NULL;
hr = s->m_pBuilder->FindInterface(
&pPinCategory, // Preview pin.
&MEDIATYPE_Video, // Any media type.
s->m_pDeviceFilter, // Pointer to the capture filter.
IID_IAMStreamConfig, (void**)&pConfig);
if (pConfig!=NULL)
{
AM_MEDIA_TYPE *pType = NULL;
int iCount, iSize;
pConfig->GetNumberOfCapabilities(&iCount, &iSize);
for (int i = 0; i < iCount; i++) {
VIDEO_STREAM_CONFIG_CAPS scc;
pType = NULL;
pConfig->GetStreamCaps(i, &pType, (BYTE *)&scc);
if (!((pType->formattype == FORMAT_VideoInfo) &&
(pType->cbFormat >= sizeof(VIDEOINFOHEADER)) &&
(pType->pbFormat != NULL)))
continue;
VIDEOINFOHEADER & videoInfo = *(VIDEOINFOHEADER *)pType->pbFormat;
if (m != pType->subtype)
continue;
if (videoInfo.bmiHeader.biWidth != s->vsize.width)
continue;
if (videoInfo.bmiHeader.biHeight != s->vsize.height)
continue;
if (videoInfo.bmiHeader.biBitCount != pvi->bmiHeader.biBitCount)
continue;
if (videoInfo.bmiHeader.biCompression != pvi->bmiHeader.biCompression)
continue;
videoInfo.AvgTimePerFrame = UNITS / (LONGLONG)s->fps;
pConfig->SetFormat(pType);
}
pConfig->GetFormat(&pType);
if (pType!=NULL)
{
VIDEOINFO *pvi;
pvi = (VIDEOINFO *)pType->pbFormat;
ms_message("v4w: camera asked fps=%.2f // real fps=%.2f", s->fps, ((float)UNITS / (float)pvi->AvgTimePerFrame));
}
pConfig->Release();
}
//m_pDXFilter->SetBufferSamples(TRUE);
s_callback = s;
hr = s->m_pControl->Run();
if(FAILED(hr))
{
return -18;
}
s->rotregvalue=1;
return 0;
}
bool directx_camera_server::open_and_find_parameters(const int which, unsigned width, unsigned height)
{
HRESULT hr;
//-------------------------------------------------------------------
// Create COM and DirectX objects needed to access a video stream.
// Initialize COM. This must have a matching uninitialize somewhere before
// the object is destroyed.
#ifdef DEBUG
printf("directx_camera_server::open_and_find_parameters(): Before CoInitialize\n");
#endif
CoInitialize(NULL);
// Create the filter graph manager
#ifdef DEBUG
printf("directx_camera_server::open_and_find_parameters(): Before CoCreateInstance FilterGraph\n");
#endif
CoCreateInstance(CLSID_FilterGraph, NULL, CLSCTX_INPROC_SERVER,
IID_IGraphBuilder, (void **)&_pGraph);
if (_pGraph == NULL) {
fprintf(stderr, "directx_camera_server::open_and_find_parameters(): Can't create graph manager\n");
return false;
}
_pGraph->QueryInterface(IID_IMediaControl, (void **)&_pMediaControl);
_pGraph->QueryInterface(IID_IMediaEvent, (void **)&_pEvent);
// Create the Capture Graph Builder.
#ifdef DEBUG
printf("directx_camera_server::open_and_find_parameters(): Before CoCreateInstance CaptureGraphBuilder2\n");
#endif
CoCreateInstance(CLSID_CaptureGraphBuilder2, NULL, CLSCTX_INPROC,
IID_ICaptureGraphBuilder2, (void **)&_pBuilder);
if (_pBuilder == NULL) {
fprintf(stderr, "directx_camera_server::open_and_find_parameters(): Can't create graph builder\n");
return false;
}
// Associate the graph with the builder.
#ifdef DEBUG
printf("directx_camera_server::open_and_find_parameters(): Before SetFilterGraph\n");
#endif
_pBuilder->SetFiltergraph(_pGraph);
//-------------------------------------------------------------------
// Go find a video device to use: in this case, we are using the Nth
// one we find, where the number N is the "which" parameter.
// Create the system device enumerator.
#ifdef DEBUG
printf("directx_camera_server::open_and_find_parameters(): Before CoCreateInstance SystemDeviceEnum\n");
#endif
ICreateDevEnum *pDevEnum = NULL;
CoCreateInstance(CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC,
IID_ICreateDevEnum, (void **)&pDevEnum);
if (pDevEnum == NULL) {
fprintf(stderr, "directx_camera_server::open_and_find_parameters(): Can't create device enumerator\n");
return false;
}
// Create an enumerator for video capture devices.
#ifdef DEBUG
printf("directx_camera_server::open_and_find_parameters(): Before CreateClassEnumerator\n");
#endif
IEnumMoniker *pClassEnum = NULL;
pDevEnum->CreateClassEnumerator(CLSID_VideoInputDeviceCategory, &pClassEnum, 0);
if (pClassEnum == NULL) {
fprintf(stderr, "directx_camera_server::open_and_find_parameters(): Can't create video enumerator (no cameras?)\n");
pDevEnum->Release();
return false;
}
#ifdef DEBUG
printf("directx_camera_server::open_and_find_parameters(): Before Loop over enumerators\n");
#endif
ULONG cFetched;
IMoniker *pMoniker = NULL;
IBaseFilter *pSrc = NULL;
// Skip (which - 1) cameras
int i;
for (i = 0; i < which-1 ; i++) {
if (pClassEnum->Next(1, &pMoniker, &cFetched) != S_OK) {
fprintf(stderr,"directx_camera_server::open_and_find_parameters(): Can't open camera (not enough cameras)\n");
pMoniker->Release();
return false;
}
}
// Take the next camera and bind it
if (pClassEnum->Next(1, &pMoniker, &cFetched) == S_OK) {
// Bind the first moniker to a filter object.
pMoniker->BindToObject(0, 0, IID_IBaseFilter, (void**)&pSrc);
pMoniker->Release();
} else {
fprintf(stderr,"directx_camera_server::open_and_find_parameters(): Can't open camera (not enough cameras)\n");
pMoniker->Release();
return false;
}
pClassEnum->Release();
pDevEnum->Release();
//-------------------------------------------------------------------
// Construct the sample grabber callback handler that will be used
// to receive image data from the sample grabber.
if ( (_pCallback = new directx_samplegrabber_callback()) == NULL) {
fprintf(stderr,"directx_camera_server::open_and_find_parameters(): Can't create sample grabber callback handler (out of memory?)\n");
return false;
}
//-------------------------------------------------------------------
// Construct the sample grabber that will be used to snatch images from
// the video stream as they go by. Set its media type and callback.
// Create the Sample Grabber.
#ifdef DEBUG
printf("directx_camera_server::open_and_find_parameters(): Before CoCreateInstance SampleGrabber\n");
#endif
CoCreateInstance(CLSID_SampleGrabber, NULL, CLSCTX_INPROC_SERVER,
IID_IBaseFilter, reinterpret_cast<void**>(&_pSampleGrabberFilter));
if (_pSampleGrabberFilter == NULL) {
fprintf(stderr,"directx_camera_server::open_and_find_parameters(): Can't get SampleGrabber filter (not DirectX 8.1+?)\n");
return false;
}
#ifdef DEBUG
printf("directx_camera_server::open_and_find_parameters(): Before QueryInterface\n");
#endif
_pSampleGrabberFilter->QueryInterface(IID_ISampleGrabber,
reinterpret_cast<void**>(&_pGrabber));
// Set the media type to video
#ifdef DEBUG
printf("directx_camera_server::open_and_find_parameters(): Before SetMediaType\n");
#endif
AM_MEDIA_TYPE mt;
// Ask for video media producers that produce 8-bit RGB
ZeroMemory(&mt, sizeof(AM_MEDIA_TYPE));
mt.majortype = MEDIATYPE_Video; // Ask for video media producers
mt.subtype = MEDIASUBTYPE_RGB24; // Ask for 8 bit RGB
_pGrabber->SetMediaType(&mt);
//-------------------------------------------------------------------
// Ask for the video resolution that has been passed in.
// This code is based on
// intuiting that we need to use the SetFormat call on the IAMStreamConfig
// interface; this interface is described in the help pages.
// If the width and height are specified as 0, then they are not set
// in the header, letting them use whatever is the default.
if ( (width != 0) && (height != 0) ) {
_pBuilder->FindInterface(&PIN_CATEGORY_CAPTURE, &MEDIATYPE_Video, pSrc,
IID_IAMStreamConfig, (void **)&_pStreamConfig);
if (_pStreamConfig == NULL) {
fprintf(stderr,"directx_camera_server::open_and_find_parameters(): Can't get StreamConfig interface\n");
return false;
}
ZeroMemory(&mt, sizeof(AM_MEDIA_TYPE));
mt.majortype = MEDIATYPE_Video; // Ask for video media producers
mt.subtype = MEDIASUBTYPE_RGB24; // Ask for 8 bit RGB
mt.pbFormat = (BYTE*)CoTaskMemAlloc(sizeof(VIDEOINFOHEADER));
VIDEOINFOHEADER *pVideoHeader = (VIDEOINFOHEADER*)mt.pbFormat;
ZeroMemory(pVideoHeader, sizeof(VIDEOINFOHEADER));
pVideoHeader->bmiHeader.biBitCount = 24;
pVideoHeader->bmiHeader.biWidth = width;
pVideoHeader->bmiHeader.biHeight = height;
pVideoHeader->bmiHeader.biPlanes = 1;
pVideoHeader->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
pVideoHeader->bmiHeader.biSizeImage = DIBSIZE(pVideoHeader->bmiHeader);
// Set the format type and size.
mt.formattype = FORMAT_VideoInfo;
mt.cbFormat = sizeof(VIDEOINFOHEADER);
// Set the sample size.
mt.bFixedSizeSamples = TRUE;
mt.lSampleSize = DIBSIZE(pVideoHeader->bmiHeader);
// Make the call to actually set the video type to what we want.
if (_pStreamConfig->SetFormat(&mt) != S_OK) {
fprintf(stderr,"directx_camera_server::open_and_find_parameters(): Can't set resolution to %dx%d\n",
pVideoHeader->bmiHeader.biWidth, pVideoHeader->bmiHeader.biHeight);
return false;
}
// Clean up the pbFormat header memory we allocated above.
CoTaskMemFree(mt.pbFormat);
}
//-------------------------------------------------------------------
// Create a NULL renderer that will be used to discard the video frames
// on the output pin of the sample grabber
#ifdef DEBUG
printf("directx_camera_server::open_and_find_parameters(): Before CoCreateInstance NullRenderer\n");
#endif
IBaseFilter *pNull = NULL;
CoCreateInstance(CLSID_NullRenderer, NULL, CLSCTX_INPROC_SERVER,
IID_IBaseFilter, reinterpret_cast<void**>(&pNull));
//-------------------------------------------------------------------
// Build the filter graph. First add the filters and then connect them.
// pSrc is the capture filter for the video device we found above.
_pGraph->AddFilter(pSrc, L"Video Capture");
// Add the sample grabber filter
_pGraph->AddFilter(_pSampleGrabberFilter, L"SampleGrabber");
// Add the null renderer filter
_pGraph->AddFilter(pNull, L"NullRenderer");
// Connect the output of the video reader to the sample grabber input
ConnectTwoFilters(_pGraph, pSrc, _pSampleGrabberFilter);
// Connect the output of the sample grabber to the NULL renderer input
ConnectTwoFilters(_pGraph, _pSampleGrabberFilter, pNull);
//-------------------------------------------------------------------
// XXX See if this is a video tuner card by querying for that interface.
// Set it to read the video channel if it is one.
IAMTVTuner *pTuner = NULL;
hr = _pBuilder->FindInterface(NULL, NULL, pSrc, IID_IAMTVTuner, (void**)&pTuner);
if (pTuner != NULL) {
#ifdef DEBUG
printf("directx_camera_server::open_and_find_parameters(): Found a TV Tuner!\n");
#endif
//XXX Put code here.
// Set the first input pin to use the cable as input
hr = pTuner->put_InputType(0, TunerInputCable);
if (FAILED(hr)) {
fprintf(stderr,"directx_camera_server::open_and_find_parameters(): Can't set input to cable\n");
}
// Set the channel on the video to be baseband (is this channel zero?)
hr = pTuner->put_Channel(0, -1, -1);
if (FAILED(hr)) {
fprintf(stderr,"directx_camera_server::open_and_find_parameters(): Can't set channel\n");
}
pTuner->Release();
}
//-------------------------------------------------------------------
// Find _num_rows and _num_columns in the video stream.
_pGrabber->GetConnectedMediaType(&mt);
VIDEOINFOHEADER *pVih;
if (mt.formattype == FORMAT_VideoInfo) {
pVih = reinterpret_cast<VIDEOINFOHEADER*>(mt.pbFormat);
} else {
fprintf(stderr,"directx_camera_server::open_and_find_parameters(): Can't get video header type\n");
return false;
}
// Number of rows and columns. This is different if we are using a target
// rectangle (rcTarget) than if we are not.
if (IsRectEmpty(&pVih->rcTarget)) {
_num_columns = pVih->bmiHeader.biWidth;
_num_rows = pVih->bmiHeader.biHeight;
} else {
_num_columns = pVih->rcTarget.right;
_num_rows = pVih->bmiHeader.biHeight;
printf("XXX directx_camera_server::open_and_find_parameters(): Warning: may not work correctly with target rectangle\n");
}
_minX = 0;
_maxX = _num_columns - 1;
_minY = 0;
_maxY = _num_rows - 1;
#ifdef DEBUG
printf("Got %dx%d video\n", _num_columns, _num_rows);
#endif
// Make sure that the image is not compressed and that we have 8 bits
// per pixel.
if (pVih->bmiHeader.biCompression != BI_RGB) {
fprintf(stderr,"directx_camera_server::open_and_find_parameters(): Compression not RGB\n");
switch (pVih->bmiHeader.biCompression) {
case BI_RLE8:
fprintf(stderr," (It is BI_RLE8)\n");
break;
case BI_RLE4:
fprintf(stderr," (It is BI_RLE4)\n");
case BI_BITFIELDS:
fprintf(stderr," (It is BI_BITFIELDS)\n");
break;
default:
fprintf(stderr," (Unknown compression type)\n");
}
return false;
}
int BytesPerPixel = pVih->bmiHeader.biBitCount / 8;
if (BytesPerPixel != 3) {
fprintf(stderr,"directx_camera_server::open_and_find_parameters(): Not 3 bytes per pixel (%d)\n",
pVih->bmiHeader.biBitCount);
return false;
}
// A negative height indicates that the images are stored non-inverted in Y
// Not sure what to do with images that have negative height -- need to
// read the book some more to find out.
if (_num_rows < 0) {
fprintf(stderr,"directx_camera_server::open_and_find_parameters(): Num Rows is negative (internal error)\n");
return false;
}
// Find the stride to take when moving from one row of video to the
// next. This is rounded up to the nearest DWORD.
_stride = (_num_columns * BytesPerPixel + 3) & ~3;
// Set the callback, where '0' means 'use the SampleCB callback'
_pGrabber->SetCallback(_pCallback, 0);
//-------------------------------------------------------------------
// Release resources that won't be used later and return
pSrc->Release();
pNull->Release();
return true;
}
static void vfw_detect(MSWebCamManager *obj) {
ICreateDevEnum *pCreateDevEnum = NULL;
IEnumMoniker *pEnumMoniker = NULL;
IMoniker *pMoniker = NULL;
HRESULT hr;
ULONG nFetched = 0;
// Initialize COM
CoInitialize(NULL);
hr = CoCreateInstance(CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC_SERVER,
IID_ICreateDevEnum, (PVOID *)&pCreateDevEnum);
if(FAILED(hr))
{
CoUninitialize();
return ;
}
hr = pCreateDevEnum->CreateClassEnumerator(CLSID_VideoInputDeviceCategory,
&pEnumMoniker, 0);
if (FAILED(hr) || pEnumMoniker == NULL) {
//printf("no device\n");
CoUninitialize();
return ;
}
pEnumMoniker->Reset();
int pos=0;
while(S_OK == pEnumMoniker->Next(1, &pMoniker, &nFetched) )
{
IPropertyBag *pBag;
hr = pMoniker->BindToStorage( 0, 0, IID_IPropertyBag, (void**) &pBag );
if( hr != S_OK )
continue;
VARIANT var;
VariantInit(&var);
hr = pBag->Read( L"FriendlyName", &var, NULL );
if( hr != S_OK )
{
pMoniker->Release();
continue;
}
//USES_CONVERSION;
char szName[256];
WideCharToMultiByte(CP_UTF8,0,var.bstrVal,-1,szName,256,0,0);
VariantClear(&var);
IBaseFilter *m_pDeviceFilter;
hr = pMoniker->BindToObject(0, 0, IID_IBaseFilter, (void**)&m_pDeviceFilter );
if(SUCCEEDED(hr))
{
GUID pPinCategory;
int fmt_supported = 0;
dump_format(m_pDeviceFilter);
//basic testing for the device.
if (try_format(m_pDeviceFilter,MS_YUV420P, &pPinCategory)==0)
fmt_supported = 1;
else if (try_format(m_pDeviceFilter,MS_YUY2, &pPinCategory)==0)
fmt_supported = 1;
else if (try_format(m_pDeviceFilter,MS_YUYV, &pPinCategory)==0)
fmt_supported = 1;
else if (try_format(m_pDeviceFilter,MS_UYVY, &pPinCategory)==0)
fmt_supported = 1;
else if (try_format(m_pDeviceFilter,MS_RGB24, &pPinCategory)==0)
fmt_supported = 1;
else
{
ms_warning("Unsupported video pixel format/refuse camera (%s).", szName);
}
if (fmt_supported==1)
{
MSWebCam *cam=ms_web_cam_new(&ms_directx_cam_desc);
cam->name=ms_strdup(szName);
ms_web_cam_manager_add_cam(obj,cam);
}
m_pDeviceFilter->Release();
m_pDeviceFilter=NULL;
}
pMoniker->Release();
pBag->Release();
pMoniker=NULL;
pBag=NULL;
}
pEnumMoniker->Release();
pCreateDevEnum->Release();
CoUninitialize();
}
void
VideoDeviceImpl::setup()
{
HRESULT hr = CoInitializeEx(nullptr, COINIT_MULTITHREADED);
if (FAILED(hr))
return fail("Could not initialize video device.");
hr = CoCreateInstance(
CLSID_CaptureGraphBuilder2,
nullptr,
CLSCTX_INPROC_SERVER,
IID_ICaptureGraphBuilder2,
(void**) &cInterface->captureGraph_);
if (FAILED(hr))
return fail("Could not create the Filter Graph Manager");
hr = CoCreateInstance(CLSID_FilterGraph,
nullptr,
CLSCTX_INPROC_SERVER,IID_IGraphBuilder,
(void**) &cInterface->graph_);
if (FAILED(hr))
return fail("Could not add the graph builder!");
hr = cInterface->captureGraph_->SetFiltergraph(cInterface->graph_);
if (FAILED(hr))
return fail("Could not set filtergraph.");
ICreateDevEnum *pSysDevEnum = nullptr;
hr = CoCreateInstance(CLSID_SystemDeviceEnum,
nullptr,
CLSCTX_INPROC_SERVER,
IID_ICreateDevEnum,
(void **)&pSysDevEnum);
if (FAILED(hr))
return fail("Could not create the enumerator!");
IEnumMoniker* pEnumCat = nullptr;
hr = pSysDevEnum->CreateClassEnumerator(
CLSID_VideoInputDeviceCategory,
&pEnumCat,
0);
if (SUCCEEDED(hr)) {
// Auto-deletion at if {} exist or at exception
auto IEnumMonikerDeleter = [](IEnumMoniker* p){ p->Release(); };
std::unique_ptr<IEnumMoniker, decltype(IEnumMonikerDeleter)&> pEnumCatGuard {pEnumCat, IEnumMonikerDeleter};
IMoniker *pMoniker = nullptr;
ULONG cFetched;
unsigned int deviceCounter = 0;
while ((pEnumCatGuard->Next(1, &pMoniker, &cFetched) == S_OK))
{
if (deviceCounter == this->id) {
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)) {
int l = WideCharToMultiByte(
CP_UTF8,
0,
varName.bstrVal,
-1,
0, 0, 0, 0);
auto tmp = new char[l];
WideCharToMultiByte(
CP_UTF8,
0,
varName.bstrVal,
-1,
tmp,
l,
0, 0);
this->name = std::string(tmp);
this->device = std::string("video=") + this->name;
hr = pMoniker->BindToObject(
nullptr, nullptr,
IID_IBaseFilter,
(void**)&cInterface->videoInputFilter_);
if (SUCCEEDED(hr))
hr = cInterface->graph_->AddFilter(
cInterface->videoInputFilter_,
varName.bstrVal);
else {
fail("Could not add filter to video device.");
}
hr = cInterface->captureGraph_->FindInterface(
&PIN_CATEGORY_PREVIEW,
&MEDIATYPE_Video,
cInterface->videoInputFilter_,
IID_IAMStreamConfig,
(void **)&cInterface->streamConf_);
if(FAILED(hr)) {
hr = cInterface->captureGraph_->FindInterface(
&PIN_CATEGORY_CAPTURE,
&MEDIATYPE_Video,
cInterface->videoInputFilter_,
IID_IAMStreamConfig,
(void **)&cInterface->streamConf_);
if (FAILED(hr)) {
fail("Couldn't config the stream!");
}
}
break; // Device found
}
VariantClear(&varName);
pPropBag->Release();
pPropBag = nullptr;
pMoniker->Release();
pMoniker = nullptr;
}
}
deviceCounter++;
}
if (SUCCEEDED(hr)) {
int piCount;
int piSize;
cInterface->streamConf_->GetNumberOfCapabilities(&piCount, &piSize);
AM_MEDIA_TYPE *pmt;
VIDEO_STREAM_CONFIG_CAPS pSCC;
for (int i = 0; i < piCount; i++) {
cInterface->streamConf_->GetStreamCaps(i, &pmt, (BYTE*)&pSCC);
if (pmt->formattype == FORMAT_VideoInfo) {
auto videoInfo = (VIDEOINFOHEADER*) pmt->pbFormat;
sizeList_.emplace_back(videoInfo->bmiHeader.biWidth, videoInfo->bmiHeader.biHeight);
rateList_[sizeList_.back()].emplace_back(1e7, pSCC.MinFrameInterval);
rateList_[sizeList_.back()].emplace_back(1e7, pSCC.MaxFrameInterval);
capMap_[sizeList_.back()] = pmt;
}
}
}
}
pSysDevEnum->Release();
pSysDevEnum = NULL;
}
// enumerate all needed devices
//
HRESULT EnumerateDevices(char *videodriver[],
int *vcount,
IGraphBuilder *pIGB,
ICaptureGraphBuilder *pICGB,
int devicenumber ,
IBaseFilter **pCap,
BOOL isVideo)
{
ICreateDevEnum *pCreateDevEnum=NULL;
IEnumMoniker *pEm= NULL;
IMoniker *pM = NULL;
UINT uIndex = 0;
HRESULT hr = NOERROR;
int cc = 0;
int oldv=0x7FFFFFFF;
if (vcount!=NULL)
{
oldv=*vcount;
*vcount=-1;
}
// for(cc=0;cc<2;cc++)
for(cc=1;cc<2;cc++)
{
hr = CoCreateInstance(CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC_SERVER, IID_ICreateDevEnum, (void**)&pCreateDevEnum);
if (SUCCEEDED(hr))
{
if (cc==0)
hr = pCreateDevEnum->CreateClassEnumerator(AM_KSCATEGORY_CAPTURE/*AM_KSCATEGORY_VIDEO*/, &pEm, 0);
else
{
if (isVideo)
hr = pCreateDevEnum->CreateClassEnumerator(CLSID_VideoInputDeviceCategory, &pEm, 0);
else
hr = pCreateDevEnum->CreateClassEnumerator(CLSID_AudioInputDeviceCategory, &pEm, 0);
}
pCreateDevEnum->Release();
if (SUCCEEDED(hr)&&(pEm!=NULL))
{
pEm->Reset();
ULONG cFetched=0;
while( (hr = pEm->Next(1, &pM, &cFetched), hr==S_OK) )
{
IPropertyBag *pBag=NULL;
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) && (videodriver!=NULL) && (vcount!=NULL) )
{
char achName[80];
WideCharToMultiByte(CP_ACP, 0, var.bstrVal, -1, achName, 80, NULL, NULL);
*vcount=(*vcount)+1;
#if 0
if (cc==0)
lstrcpy(videodriver[*vcount],"(WDM)");
else
lstrcpy(videodriver[*vcount],"(VfW)");
#else
lstrcpy(videodriver[*vcount],"");
#endif
lstrcat(videodriver[*vcount],achName);
SysFreeString(var.bstrVal);
}
pBag->Release();
if (vcount!=NULL)
{
if ((pCap!=NULL)&&(devicenumber==*vcount))
hr = pM->BindToObject(0, 0, IID_IBaseFilter, (void**)pCap);
}
}
pM->Release();
uIndex++;
if (vcount!=NULL)
{
if (*vcount>=oldv)
break;
}
}
pEm->Release();
}
}
}
return(NOERROR);
}
UVCPrivate::UVCPrivate(DevicePtr usb)
{
if (usb->interfaceID() != Device::USB)
return;
USBSystem sys;
String devicePath = sys.getDeviceNode((USBDevice &)*usb);
if (!devicePath.size())
{
logger(LOG_ERROR) << "UVC: Could not get device path for device '" << usb->id() << "'" << std::endl;
return;
}
DWORD devInst;
if (!sys.getUSBSystemPrivate().getDevInst(devicePath, devInst))
{
logger(LOG_ERROR) << "UVC: Could not get devInst for device '" << usb->id() << "'" << std::endl;
return;
}
HRESULT hr = S_OK;
IMoniker *moniker;
Ptr<ICreateDevEnum> devEnum;
Ptr<IEnumMoniker> classEnum;
void *p;
CoInitializeEx(NULL, COINIT_MULTITHREADED);
// Create the system device enumerator
if ((hr = (CoCreateInstance(CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC, IID_ICreateDevEnum, (void **)&p))) != S_OK)
{
logger(LOG_ERROR) << "UVC: Failed to get ICreateDevEnum enumerator" << std::endl;
return;
}
devEnum = Ptr<ICreateDevEnum>((ICreateDevEnum *)p, [](ICreateDevEnum *i) { i->Release(); });
// Create an enumerator for the video capture devices
if ((hr = devEnum->CreateClassEnumerator(CLSID_VideoInputDeviceCategory, (IEnumMoniker **)&p, 0)) != S_OK)
{
logger(LOG_ERROR) << "UVC: Failed to get VideoInputDeviceCategory class enumerator" << std::endl;
return;
}
// If there are no enumerators for the requested type, then
// CreateClassEnumerator will succeed, but pClassEnum will be NULL.
if (p == NULL)
{
logger(LOG_ERROR) << "UVC: Failed to get any video input devices in the enumerator" << std::endl;
return;
}
classEnum = Ptr<IEnumMoniker>((IEnumMoniker *)p, [](IEnumMoniker *i) { i->Release(); });
while ((hr = classEnum->Next(1, &moniker, NULL)) == S_OK)
{
IPropertyBag *propBag;
if ((hr = moniker->BindToStorage(0, 0, IID_IPropertyBag, (void**)&propBag)) != S_OK)
{
logger(LOG_WARNING) << "UVC: Could not get properties for current moniker" << std::endl;
continue;
}
VARIANT varName;
VariantInit(&varName);
if ((hr = propBag->Read(L"DevicePath", &varName, 0)) != S_OK)
{
logger(LOG_WARNING) << "UVC: Could not get DevicePath for current moniker" << std::endl;
continue;
}
_bstr_t b(varName.bstrVal);
String devPath = b;
VariantClear(&varName);
DWORD dInst;
DWORD parentDevInst;
if (!sys.getUSBSystemPrivate().getDevInst(devPath, dInst, (LPGUID)&AM_KSCATEGORY_CAPTURE)) //AM_KSCATEGORY_VIDEO
{
logger(LOG_WARNING) << "UVC: Could not get DevInst for DevicePath = " << devPath << std::endl;
continue;
}
if (CM_Get_Parent(&parentDevInst, dInst, 0) != CR_SUCCESS)
{
logger(LOG_WARNING) << "UVC: Could not get parent DevInst for DevicePath = " << devPath << std::endl;
continue;
}
if (parentDevInst == devInst) // Check whether our USBDevice's DevInst matches with IMoniker's parent's DevInst matches
{
if (usb->channelID() >= 0)
{
auto x = devPath.find("&mi_");
if (x != String::npos)
{
char *endptr;
int channel = strtol(devPath.c_str() + x + 4, &endptr, 10);
if (channel != usb->channelID())
continue;
}
else
{
logger(LOG_ERROR) << "UVC: Could not find channel ID of current device '" << devPath << "'" << std::endl;
continue;
}
}
if ((hr = moniker->BindToObject(0, 0, IID_IBaseFilter, (void**)&p)) != S_OK)
{
logger(LOG_ERROR) << "UVC: Could not get the IBaseFilter for the current video input device" << std::endl;
continue;
}
_captureFilter = Ptr<IBaseFilter>((IBaseFilter *)p, [](IBaseFilter *d) { d->Release(); });
_captureFilter->AddRef();
break;
}
}
}
/*
* Class: sage_PVR350OSDRenderingPlugin
* Method: openOSD0
* Signature: ()J
*/
JNIEXPORT jlong JNICALL Java_sage_PVR350OSDRenderingPlugin_openOSD0
(JNIEnv *env, jobject jo)
{
CoInitializeEx(NULL, COM_THREADING_MODE);
HRESULT hr;
slog((env, "BVF open350OSD0 called\r\n"));
PVR350OSDPluginNativeData rv;
ZeroMemory(&rv, sizeof(PVR350OSDPluginNativeData));
rv.ntscModeFor350 = 1;
// We can't load this by the GUID just like some of the KS CC stuff
ICreateDevEnum *pSysDevEnum = NULL;
IEnumMoniker *pEnum = NULL;
IMoniker *pMoniker = NULL;
hr = CoCreateInstance(CLSID_SystemDeviceEnum, NULL,
CLSCTX_INPROC_SERVER, IID_ICreateDevEnum,
(void**)&pSysDevEnum);
if (FAILED(hr)) return 0;
hr = pSysDevEnum->CreateClassEnumerator(KSCATEGORY_DATADECOMPRESSOR, &pEnum, 0);
if (hr != S_OK)
{
// Nothing to enumerate
SAFE_RELEASE(pSysDevEnum);
return hr;
}
while (S_OK == pEnum->Next(1, &pMoniker, NULL))
{
IPropertyBag *pPropBag = NULL;
hr = pMoniker->BindToStorage(0, 0, IID_IPropertyBag,
(void **)&pPropBag);
if (SUCCEEDED(hr))
{
VARIANT var;
VariantInit(&var);
hr = pPropBag->Read(L"FriendlyName", &var, 0);
if (SUCCEEDED(hr))
{
char conv[512];
WideCharToMultiByte(CP_ACP, 0, var.bstrVal, -1, conv, 512, 0, 0);
if (strstr(conv, "PVR"))
{
hr = pMoniker->BindToObject(NULL, NULL, IID_IBaseFilter,
(void**)(&(rv.pOSD)));
if (SUCCEEDED(hr))
{
VariantClear(&var);
SAFE_RELEASE(pPropBag);
SAFE_RELEASE(pMoniker);
break;
}
}
}
VariantClear(&var);
}
SAFE_RELEASE(pPropBag);
SAFE_RELEASE(pMoniker);
}
SAFE_RELEASE(pSysDevEnum);
SAFE_RELEASE(pEnum);
if (rv.pOSD)
{
hr = CoCreateInstance(CLSID_FilterGraph, NULL, CLSCTX_INPROC_SERVER,
IID_IGraphBuilder, (void **)&(rv.pGraph));
TEST_AND_BAIL
if (!rv.mutex350OSD)
{
rv.mutex350OSD = CreateMutex(NULL, FALSE, "Global\\SageTV350Sync");
WaitForSingleObject(rv.mutex350OSD, MUTEX350WAITTIME);
}
hr = rv.pGraph->AddFilter(rv.pOSD, L"OSD");
if (FAILED(hr))
{
SAFE_RELEASE(rv.pOSD);
SAFE_RELEASE(rv.pGraph);
ReleaseMutex(rv.mutex350OSD);
CloseHandle(rv.mutex350OSD);
elog((env, "Error opening 350 OSD hr=0x%x\r\n", hr));
return 0;
}
DWORD holder;
HKEY myKey;
DWORD readType;
DWORD hsize = sizeof(holder);
if (RegCreateKeyEx(HKEY_LOCAL_MACHINE, "SOFTWARE\\Frey Technologies\\Common", 0, 0,
REG_OPTION_NON_VOLATILE, KEY_ALL_ACCESS, 0, &myKey, 0) == ERROR_SUCCESS)
{
if (RegQueryValueEx(myKey, "NTSC", 0, &readType, (LPBYTE) &holder, &hsize) == ERROR_SUCCESS)
{
rv.ntscModeFor350 = holder;
}
else
{
RegSetValueEx(myKey, "NTSC", 0, REG_DWORD, (LPBYTE) &(rv.ntscModeFor350), sizeof(rv.ntscModeFor350));
}
RegCloseKey(myKey);
}
PVR350OSDPluginNativeData* realRV = new PVR350OSDPluginNativeData;
memcpy(realRV, &rv, sizeof(PVR350OSDPluginNativeData));
if (Print350OSDInfo(realRV, env, TRUE))
{
ReleaseMutex(realRV->mutex350OSD);
return (jlong) realRV;
}
else
{
ReleaseMutex(realRV->mutex350OSD);
Java_sage_PVR350OSDRenderingPlugin_closeOSD0(env, jo, (jlong)realRV);
return 0;
}
}
/* Try to intelligently fetch a default video input device */
static HRESULT
GetDefaultInputDevice(IBaseFilter **ppSrcFilter)
{
HRESULT hr = S_OK;
IBaseFilter *pSrc = NULL;
IMoniker *pMoniker = NULL;
ICreateDevEnum *pDevEnum = NULL;
IEnumMoniker *pClassEnum = NULL;
if (!ppSrcFilter) {
return E_POINTER;
}
hr = CoCreateInstance(
CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC,
IID_ICreateDevEnum, (void **)&pDevEnum
);
if (FAILED(hr)) return hr;
hr = pDevEnum->CreateClassEnumerator(
CLSID_VideoInputDeviceCategory, &pClassEnum, 0
);
if (FAILED(hr)) {
SAFE_RELEASE(pDevEnum);
return hr;
}
if (pClassEnum == NULL) {
/* No devices available */
SAFE_RELEASE(pDevEnum);
return E_FAIL;
}
/* Pick the first device from the list.
* Note that if the Next() call succeeds but there are no monikers,
* it will return S_FALSE (which is not a failure).
*/
hr = pClassEnum->Next (1, &pMoniker, NULL);
if (hr == S_FALSE) {
SAFE_RELEASE(pDevEnum);
SAFE_RELEASE(pClassEnum);
return E_FAIL;
}
hr = pMoniker->BindToObject(0, 0, IID_IBaseFilter, (void**)&pSrc);
if (FAILED(hr)) {
SAFE_RELEASE(pDevEnum);
SAFE_RELEASE(pClassEnum);
SAFE_RELEASE(pMoniker);
return hr;
}
*ppSrcFilter = pSrc;
(*ppSrcFilter)->AddRef();
SAFE_RELEASE(pSrc);
SAFE_RELEASE(pMoniker);
SAFE_RELEASE(pDevEnum);
SAFE_RELEASE(pClassEnum);
return hr;
}
static int v4w_configure_videodevice(V4wState *s)
{
// Initialize COM
CoInitialize(NULL);
// get a Graph
HRESULT hr= CoCreateInstance (CLSID_FilterGraph,
NULL,
CLSCTX_INPROC_SERVER,
IID_IGraphBuilder, //IID_IBaseFilter,
(void **)&s->m_pGraph);
if(FAILED(hr))
{
return -1;
}
// get a CaptureGraphBuilder2
hr= CoCreateInstance (CLSID_CaptureGraphBuilder2,
NULL,
CLSCTX_INPROC_SERVER,
IID_ICaptureGraphBuilder2, //IID_IBaseFilter,
(void **)&s->m_pBuilder);
if(FAILED(hr))
{
return -2;
}
// connect capture graph builder with the graph
s->m_pBuilder->SetFiltergraph(s->m_pGraph);
// get mediacontrol so we can start and stop the filter graph
hr=s->m_pGraph->QueryInterface (IID_IMediaControl, (void **)&s->m_pControl);
if(FAILED(hr))
{
return -3;
}
ICreateDevEnum *pCreateDevEnum = NULL;
IEnumMoniker *pEnumMoniker = NULL;
IMoniker *pMoniker = NULL;
ULONG nFetched = 0;
hr = CoCreateInstance(CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC_SERVER,
IID_ICreateDevEnum, (PVOID *)&pCreateDevEnum);
if(FAILED(hr))
{
return -4;
}
hr = pCreateDevEnum->CreateClassEnumerator(CLSID_VideoInputDeviceCategory,
&pEnumMoniker, 0);
if (FAILED(hr) || pEnumMoniker == NULL) {
//printf("no device\n");
return -5;
}
pEnumMoniker->Reset();
int pos=0;
while(S_OK == pEnumMoniker->Next(1, &pMoniker, &nFetched) )
{
IPropertyBag *pBag;
hr = pMoniker->BindToStorage( 0, 0, IID_IPropertyBag, (void**) &pBag );
if( hr != S_OK )
continue;
if (s->dev[0]=='\0')
break;
VARIANT var;
VariantInit(&var);
hr = pBag->Read( L"FriendlyName", &var, NULL );
if( hr != S_OK )
{
pMoniker->Release();
continue;
}
//USES_CONVERSION;
char szName[256];
WideCharToMultiByte(CP_UTF8,0,var.bstrVal,-1,szName,256,0,0);
VariantClear(&var);
if (strcmp(szName, s->dev)==0)
break;
pMoniker->Release();
pBag->Release();
pMoniker=NULL;
pBag=NULL;
}
if(pMoniker==NULL)
{
int pos=0;
while(S_OK == pEnumMoniker->Next(1, &pMoniker, &nFetched) )
{
IPropertyBag *pBag;
hr = pMoniker->BindToStorage( 0, 0, IID_IPropertyBag, (void**) &pBag );
if( hr != S_OK )
continue;
}
}
if(pMoniker==NULL)
{
return -6;
}
hr = pMoniker->BindToObject(0, 0, IID_IBaseFilter, (void**)&s->m_pDeviceFilter );
if(FAILED(hr))
{
return -7;
}
s->m_pGraph->AddFilter(s->m_pDeviceFilter, L"Device Filter");
pMoniker->Release();
pEnumMoniker->Release();
pCreateDevEnum->Release();
GUID pPinCategory;
if (try_format(s->m_pDeviceFilter, s->pix_fmt, &pPinCategory)==0)
s->pix_fmt = s->pix_fmt;
else if (try_format(s->m_pDeviceFilter,MS_YUV420P, &pPinCategory)==0)
s->pix_fmt = MS_YUV420P;
else if (try_format(s->m_pDeviceFilter,MS_YUY2, &pPinCategory)==0)
s->pix_fmt = MS_YUY2;
else if (try_format(s->m_pDeviceFilter,MS_YUYV, &pPinCategory)==0)
s->pix_fmt = MS_YUYV;
else if (try_format(s->m_pDeviceFilter,MS_UYVY, &pPinCategory)==0)
s->pix_fmt = MS_UYVY;
else if (try_format(s->m_pDeviceFilter,MS_RGB24, &pPinCategory)==0)
s->pix_fmt = MS_RGB24;
else
{
ms_error("Unsupported video pixel format.");
return -8;
}
if (s->pix_fmt == MS_YUV420P)
ms_message("Driver supports YUV420P, using that format.");
else if (s->pix_fmt == MS_YUY2)
ms_message("Driver supports YUY2 (YUYV), using that format.");
else if (s->pix_fmt == MS_YUYV)
ms_message("Driver supports YUV422, using that format.");
else if (s->pix_fmt == MS_UYVY)
ms_message("Driver supports UYVY, using that format.");
else if (s->pix_fmt == MS_RGB24)
ms_message("Driver supports RGB24, using that format.");
if (try_format_size(s, s->pix_fmt, s->vsize.width, s->vsize.height, &pPinCategory)==0)
ms_message("Selected Size: %ix%i.", s->vsize.width, s->vsize.height);
else if (try_format_size(s, s->pix_fmt, MS_VIDEO_SIZE_QCIF_W, MS_VIDEO_SIZE_QCIF_H, &pPinCategory)==0)
ms_message("Selected Size: %ix%i.", MS_VIDEO_SIZE_QCIF_W, MS_VIDEO_SIZE_QCIF_H);
else if (try_format_size(s, s->pix_fmt, MS_VIDEO_SIZE_CIF_W, MS_VIDEO_SIZE_CIF_H, &pPinCategory)==0)
ms_message("Selected Size: %ix%i.", MS_VIDEO_SIZE_CIF_W, MS_VIDEO_SIZE_CIF_H);
else if (try_format_size(s, s->pix_fmt, MS_VIDEO_SIZE_4CIF_W, MS_VIDEO_SIZE_4CIF_H, &pPinCategory)==0)
ms_message("Selected Size: %ix%i.", MS_VIDEO_SIZE_4CIF_W, MS_VIDEO_SIZE_4CIF_H);
else if (try_format_size(s, s->pix_fmt, MS_VIDEO_SIZE_QVGA_W, MS_VIDEO_SIZE_QVGA_H, &pPinCategory)==0)
ms_message("Selected Size: %ix%i.", MS_VIDEO_SIZE_QVGA_W, MS_VIDEO_SIZE_QVGA_H);
else if (try_format_size(s, s->pix_fmt, MS_VIDEO_SIZE_QQVGA_W, MS_VIDEO_SIZE_QQVGA_H, &pPinCategory)==0)
ms_message("Selected Size: %ix%i.", MS_VIDEO_SIZE_QQVGA_W, MS_VIDEO_SIZE_QQVGA_H);
else if (try_format_size(s, s->pix_fmt, MS_VIDEO_SIZE_NS1_W, MS_VIDEO_SIZE_NS1_H, &pPinCategory)==0)
ms_message("Selected Size: %ix%i.", MS_VIDEO_SIZE_NS1_W, MS_VIDEO_SIZE_NS1_H);
else if (try_format_size(s, s->pix_fmt, MS_VIDEO_SIZE_QSIF_W, MS_VIDEO_SIZE_QSIF_H, &pPinCategory)==0)
ms_message("Selected Size: %ix%i.", MS_VIDEO_SIZE_QSIF_W, MS_VIDEO_SIZE_QSIF_H);
else if (try_format_size(s, s->pix_fmt, MS_VIDEO_SIZE_SIF_W, MS_VIDEO_SIZE_SIF_H, &pPinCategory)==0)
ms_message("Selected Size: %ix%i.", MS_VIDEO_SIZE_SIF_W, MS_VIDEO_SIZE_SIF_H);
else if (try_format_size(s, s->pix_fmt, MS_VIDEO_SIZE_VGA_W, MS_VIDEO_SIZE_VGA_H, &pPinCategory)==0)
ms_message("Selected Size: %ix%i.", MS_VIDEO_SIZE_VGA_W, MS_VIDEO_SIZE_VGA_H);
else if (try_format_size(s, s->pix_fmt, MS_VIDEO_SIZE_SDTV_W, MS_VIDEO_SIZE_SDTV_H, &pPinCategory)==0)
ms_message("Selected Size: %ix%i.", MS_VIDEO_SIZE_SDTV_W, MS_VIDEO_SIZE_SDTV_H);
else if (try_format_size(s, s->pix_fmt, MS_VIDEO_SIZE_288P_W, MS_VIDEO_SIZE_288P_H, &pPinCategory)==0)
ms_message("Selected Size: %ix%i.", MS_VIDEO_SIZE_288P_W, MS_VIDEO_SIZE_288P_H);
else if (try_format_size(s, s->pix_fmt, MS_VIDEO_SIZE_448P_W, MS_VIDEO_SIZE_448P_H, &pPinCategory)==0)
ms_message("Selected Size: %ix%i.", MS_VIDEO_SIZE_448P_W, MS_VIDEO_SIZE_448P_H);
else if (try_format_size(s, s->pix_fmt, MS_VIDEO_SIZE_576P_W, MS_VIDEO_SIZE_576P_H, &pPinCategory)==0)
ms_message("Selected Size: %ix%i.", MS_VIDEO_SIZE_576P_W, MS_VIDEO_SIZE_576P_H);
else if (try_format_size(s, s->pix_fmt, MS_VIDEO_SIZE_720P_W, MS_VIDEO_SIZE_720P_H, &pPinCategory)==0)
ms_message("Selected Size: %ix%i.", MS_VIDEO_SIZE_720P_W, MS_VIDEO_SIZE_720P_H);
else if (try_format_size(s, s->pix_fmt, MS_VIDEO_SIZE_1080P_W, MS_VIDEO_SIZE_1080P_H, &pPinCategory)==0)
ms_message("Selected Size: %ix%i.", MS_VIDEO_SIZE_1080P_W, MS_VIDEO_SIZE_1080P_H);
else if (try_format_size(s, s->pix_fmt, MS_VIDEO_SIZE_4SIF_W, MS_VIDEO_SIZE_4SIF_H, &pPinCategory)==0)
ms_message("Selected Size: %ix%i.", MS_VIDEO_SIZE_4SIF_W, MS_VIDEO_SIZE_4SIF_H);
else if (try_format_size(s, s->pix_fmt, MS_VIDEO_SIZE_SVGA_W, MS_VIDEO_SIZE_SVGA_H, &pPinCategory)==0)
ms_message("Selected Size: %ix%i.", MS_VIDEO_SIZE_SVGA_W, MS_VIDEO_SIZE_SVGA_H);
else if (try_format_size(s, s->pix_fmt, MS_VIDEO_SIZE_XGA_W, MS_VIDEO_SIZE_XGA_H, &pPinCategory)==0)
ms_message("Selected Size: %ix%i.", MS_VIDEO_SIZE_XGA_W, MS_VIDEO_SIZE_XGA_H);
else if (try_format_size(s, s->pix_fmt, MS_VIDEO_SIZE_WXGA_W, MS_VIDEO_SIZE_WXGA_H, &pPinCategory)==0)
ms_message("Selected Size: %ix%i.", MS_VIDEO_SIZE_WXGA_W, MS_VIDEO_SIZE_WXGA_H);
else if (try_format_size(s, s->pix_fmt, MS_VIDEO_SIZE_HDTVP_W, MS_VIDEO_SIZE_HDTVP_H, &pPinCategory)==0)
ms_message("Selected Size: %ix%i.", MS_VIDEO_SIZE_HDTVP_W, MS_VIDEO_SIZE_HDTVP_H);
else
{
ms_error("No supported size found for format.");
/* size not supported? */
return -9;
}
return 0;
}
HRESULT FindCaptureDevice(IBaseFilter ** ppSrcFilter)
{
HRESULT hr;
IBaseFilter * pSrc = NULL;
IMoniker *pMoniker = NULL;
ULONG cFetched;
if (!ppSrcFilter)
return E_POINTER;
// Create the system device enumerator
ICreateDevEnum *pDevEnum = NULL;
hr = CoCreateInstance(CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC,
IID_ICreateDevEnum, (void **)&pDevEnum);
if (FAILED(hr))
{
return hr;
}
// Create an enumerator for the video capture devices
IEnumMoniker *pClassEnum = NULL;
hr = pDevEnum->CreateClassEnumerator(CLSID_VideoInputDeviceCategory, &pClassEnum, 0);
if (FAILED(hr))
{
return hr;
}
// If there are no enumerators for the requested type, then
// CreateClassEnumerator will succeed, but pClassEnum will be NULL.
if (pClassEnum == NULL)
{
return E_FAIL;
}
// Use the first video capture device on the device list.
// Note that if the Next() call succeeds but there are no monikers,
// it will return S_FALSE (which is not a failure). Therefore, we
// check that the return code is S_OK instead of using SUCCEEDED() macro.
if (S_OK == (pClassEnum->Next(1, &pMoniker, &cFetched)))
{
IBindCtx *pbc = NULL;
CreateBindCtx(0, &pbc);
// Bind Moniker to a filter object
hr = pMoniker->BindToObject(pbc, 0, IID_IBaseFilter, (void**)&pSrc);
pbc->Release();
if (FAILED(hr))
{
return hr;
}
}
else
{
return E_FAIL;
}
// Copy the found filter pointer to the output parameter.
// Do NOT Release() the reference, since it will still be used
// by the calling function.
*ppSrcFilter = pSrc;
return hr;
}
HRESULT FindCaptureDevice(IBaseFilter ** ppSrcFilter)
{
HRESULT hr = S_OK;
IBaseFilter * pSrc = NULL;
IMoniker* pMoniker =NULL;
ICreateDevEnum *pDevEnum =NULL;
IEnumMoniker *pClassEnum = NULL;
if (!ppSrcFilter)
{
return E_POINTER;
}
// Create the system device enumerator
hr = CoCreateInstance (CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC,
IID_ICreateDevEnum, (void **) &pDevEnum);
if (FAILED(hr))
{
Msg(TEXT("Couldn't create system enumerator! hr=0x%x"), hr);
}
// Create an enumerator for the video capture devices
if (SUCCEEDED(hr))
{
hr = pDevEnum->CreateClassEnumerator (CLSID_VideoInputDeviceCategory, &pClassEnum, 0);
if (FAILED(hr))
{
Msg(TEXT("Couldn't create class enumerator! hr=0x%x"), hr);
}
}
if (SUCCEEDED(hr))
{
// If there are no enumerators for the requested type, then
// CreateClassEnumerator will succeed, but pClassEnum will be NULL.
if (pClassEnum == NULL)
{
MessageBox(ghApp,TEXT("No video capture device was detected.\r\n\r\n")
TEXT("This sample requires a video capture device, such as a USB WebCam,\r\n")
TEXT("to be installed and working properly. The sample will now close."),
TEXT("No Video Capture Hardware"), MB_OK | MB_ICONINFORMATION);
hr = E_FAIL;
}
}
// Use the first video capture device on the device list.
// Note that if the Next() call succeeds but there are no monikers,
// it will return S_FALSE (which is not a failure). Therefore, we
// check that the return code is S_OK instead of using SUCCEEDED() macro.
if (SUCCEEDED(hr))
{
hr = pClassEnum->Next (1, &pMoniker, NULL);
if (hr == S_FALSE)
{
Msg(TEXT("Unable to access video capture device!"));
hr = E_FAIL;
}
}
if (SUCCEEDED(hr))
{
// Bind Moniker to a filter object
hr = pMoniker->BindToObject(0,0,IID_IBaseFilter, (void**)&pSrc);
if (FAILED(hr))
{
Msg(TEXT("Couldn't bind moniker to filter object! hr=0x%x"), hr);
}
}
// Copy the found filter pointer to the output parameter.
if (SUCCEEDED(hr))
{
*ppSrcFilter = pSrc;
(*ppSrcFilter)->AddRef();
}
SAFE_RELEASE(pSrc);
SAFE_RELEASE(pMoniker);
SAFE_RELEASE(pDevEnum);
SAFE_RELEASE(pClassEnum);
return hr;
}
DirectShowScanner::DirectShowScanner() {
ICreateDevEnum *pDevEnum = 0;
int hr;
int devNum;
char nameBuf[80];
// Reference: Pesce, pp 54-56.
debug_msg("new DirectShowScanner()\n");
// Initialize the COM subsystem
hr=CoInitialize(NULL);
if (FAILED(hr)) {
debug_msg("Failed COM subsystem initialisation.\n");
return;
}
// Create a helper object to find the capture devices.
hr = CoCreateInstance(CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC_SERVER, IID_ICreateDevEnum, (LPVOID*)&pDevEnum);
if (FAILED(hr)) {
debug_msg("Failed to Create a helper object to find the DS capture devices.\n");
CoUninitialize();
return;
}
IEnumMoniker *pEnum = 0;
IMoniker *pMoniker = 0;
IPropertyBag *pPropBag = 0;
VARIANT varName;
// Get an enumerator over video capture filters
hr = pDevEnum->CreateClassEnumerator(CLSID_VideoInputDeviceCategory, &pEnum, 0);
//showErrorMessage(hr);
if (FAILED(hr) || pEnum == 0) {
debug_msg("Failed to Get an enumerator over DS video capture filters.\n");
CoUninitialize();
return;
}
// Get the capture filter for each device installed, up to NUM_DEVS devices
for( devNum=0; devNum < NUM_DEVS; ++devNum) {
if ( pEnum->Next(1, &pMoniker, NULL) == S_OK ) {
hr = pMoniker->BindToStorage(0, 0, IID_IPropertyBag, (void **)&pPropBag);
if (FAILED(hr)) {
debug_msg("Failed to Get propbag bound to storage on DS dev: %d\n", devNum);
continue;
}
//showErrorMessage(hr);
debug_msg("propbag bound to storage ok= %d\n", hr);
VariantInit(&varName);
hr = pPropBag->Read(L"FriendlyName", &varName, 0);
if (FAILED(hr)) {
debug_msg("Failed to Get friendly name read on DS dev: %d\n", devNum);
continue;
}
//showErrorMessage(hr);
debug_msg("friendly name read ok= %d\n", hr);
// Need this macro in atlconv.h to go from bStr to char* - msp
USES_CONVERSION;
strcpy(nameBuf, W2A(varName.bstrVal));
debug_msg("DirectShowScanner::DirectShowScanner(): found nameBuf/FriendlyName=%s\n", nameBuf);
// needs work, but don't add drivers that look like VFW drivers - msp
if( (strstr(nameBuf, "VFW") == NULL) ) {
hr = pMoniker->BindToObject(0, 0, IID_IBaseFilter, (void **)(pCaptureFilter+devNum));
//showErrorMessage(hr);
if (FAILED(hr)) {
debug_msg("Failed to Get friendly name read on DS dev: %d\n", devNum);
continue;
}
debug_msg("capture filter bound ok= %d\n", hr);
devs_[devNum] = new DirectShowDevice(strdup(nameBuf), pCaptureFilter[devNum]);
} else {
debug_msg("discarding an apparent VFW device= %s\n", nameBuf);
devs_[devNum] = NULL;
}
VariantClear(&varName);
pPropBag->Release();
}
}
// Release these objects so COM can release their memory
pMoniker->Release();
pEnum->Release();
pDevEnum->Release();
}
gboolean
gst_dshow_find_filter (CLSID input_majortype, CLSID input_subtype,
CLSID output_majortype, CLSID output_subtype,
gchar * prefered_filter_name, IBaseFilter ** filter)
{
gboolean ret = FALSE;
HRESULT hres;
GUID arrayInTypes[2];
GUID arrayOutTypes[2];
IFilterMapper2 *mapper = NULL;
IEnumMoniker *enum_moniker = NULL;
IMoniker *moniker = NULL;
ULONG fetched;
gchar *prefered_filter_upper = NULL;
gboolean exit = FALSE;
/* initialize output parameter */
if (filter)
*filter = NULL;
/* create a private copy of prefered filter substring in upper case */
if (prefered_filter_name) {
prefered_filter_upper = g_strdup (prefered_filter_name);
_strupr (prefered_filter_upper);
}
hres = CoCreateInstance (CLSID_FilterMapper2, NULL, CLSCTX_INPROC,
IID_IFilterMapper2, (void **) &mapper);
if (FAILED (hres))
goto clean;
memcpy (&arrayInTypes[0], &input_majortype, sizeof (CLSID));
memcpy (&arrayInTypes[1], &input_subtype, sizeof (CLSID));
memcpy (&arrayOutTypes[0], &output_majortype, sizeof (CLSID));
memcpy (&arrayOutTypes[1], &output_subtype, sizeof (CLSID));
hres =
mapper->EnumMatchingFilters (&enum_moniker, 0, FALSE,
MERIT_DO_NOT_USE + 1, TRUE, 1, arrayInTypes, NULL, NULL, FALSE, TRUE, 1,
arrayOutTypes, NULL, NULL);
if (FAILED (hres))
goto clean;
enum_moniker->Reset ();
while (hres = enum_moniker->Next (1, &moniker, &fetched), hres == S_OK
&& !exit) {
IBaseFilter *filter_temp = NULL;
IPropertyBag *property_bag = NULL;
gchar *friendly_name = NULL;
hres =
moniker->BindToStorage (NULL, NULL, IID_IPropertyBag,
(void **) &property_bag);
if (SUCCEEDED (hres) && property_bag) {
VARIANT varFriendlyName;
VariantInit (&varFriendlyName);
hres = property_bag->Read (L"FriendlyName", &varFriendlyName, NULL);
if (hres == S_OK && varFriendlyName.bstrVal) {
friendly_name =
g_utf16_to_utf8 ((const gunichar2 *) varFriendlyName.bstrVal,
wcslen (varFriendlyName.bstrVal), NULL, NULL, NULL);
if (friendly_name)
_strupr (friendly_name);
SysFreeString (varFriendlyName.bstrVal);
}
property_bag->Release ();
}
hres =
moniker->BindToObject (NULL, NULL, IID_IBaseFilter,
(void **) &filter_temp);
if (SUCCEEDED (hres) && filter_temp) {
ret = TRUE;
if (filter) {
if (*filter)
(*filter)->Release ();
*filter = filter_temp;
(*filter)->AddRef ();
if (prefered_filter_upper && friendly_name &&
strstr (friendly_name, prefered_filter_upper))
exit = TRUE;
}
/* if we just want to know if the formats are supported OR
if we don't care about what will be the filter used
=> we can stop enumeration */
if (!filter || !prefered_filter_upper)
exit = TRUE;
filter_temp->Release ();
}
g_free (friendly_name);
moniker->Release ();
}
clean:
g_free (prefered_filter_upper);
if (enum_moniker)
enum_moniker->Release ();
if (mapper)
mapper->Release ();
return ret;
}
HRESULT CAccessSys::FindCaptureDevice(void)
{
HRESULT hr = S_OK;
IBaseFilter * pSrc = NULL;
IMoniker* pMoniker = NULL;
ICreateDevEnum *pDevEnum = NULL;
IEnumMoniker *pClassEnum = NULL;
// Create the system device enumerator
hr = CoCreateInstance(CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC,
IID_ICreateDevEnum, (void **)&pDevEnum);
if (FAILED(hr))
{
Msg(TEXT("Couldn't create system enumerator! hr=0x%x"), hr);
}
// Create an enumerator for the video capture devices
if (SUCCEEDED(hr))
{
hr = pDevEnum->CreateClassEnumerator(CLSID_VideoInputDeviceCategory, &pClassEnum, 0);
if (FAILED(hr))
{
Msg(TEXT("Couldn't create class enumerator! hr=0x%x"), hr);
}
}
if (SUCCEEDED(hr))
{
// If there are no enumerators for the requested type, then
// CreateClassEnumerator will succeed, but pClassEnum will be NULL.
if (pClassEnum == NULL)
{
MessageBox(NULL, TEXT("No video capture device was detected.\r\n\r\n")
TEXT("This sample requires a video capture device, such as a USB WebCam,\r\n")
TEXT("to be installed and working properly. The sample will now close."),
TEXT("No Video Capture Hardware"), MB_OK | MB_ICONINFORMATION);
hr = E_FAIL;
}
}
// Use the first video capture device on the device list.
// Note that if the Next() call succeeds but there are no monikers,
// it will return S_FALSE (which is not a failure). Therefore, we
// check that the return code is S_OK instead of using SUCCEEDED() macro.
if (SUCCEEDED(hr))
{
hr = pClassEnum->Next(1, &pMoniker, NULL);
if (hr == S_FALSE)
{
Msg(TEXT("Unable to access video capture device!"));
hr = E_FAIL;
}
}
if (SUCCEEDED(hr))
{
// Bind Moniker to a filter object
hr = pMoniker->BindToObject(0, 0, IID_IBaseFilter, (void**)&pSrc);
if (FAILED(hr))
{
Msg(TEXT("Couldn't bind moniker to filter object! hr=0x%x"), hr);
}
}
// Copy the found filter pointer to the output parameter.
ULONG ref;
if (SUCCEEDED(hr))
{
p_streams[0].p_device_filter = pSrc;
ref = p_streams[0].p_device_filter->AddRef();
}
hr = p_capture_graph_builder2->FindInterface(&PIN_CATEGORY_CAPTURE,
&MEDIATYPE_Video, pSrc,
IID_IAMStreamConfig, (void **)&p_VSC);
if (FAILED(hr))
{
Msg(TEXT("Couldn't find IAMStreamConfig! hr=0x%x"), hr);
}
else {
AM_MEDIA_TYPE *pmt;
//VIDEO_STREAM_CONFIG_CAPS scc;
BYTE* scc = NULL;
int piCount, piSize;
hr = p_VSC->GetNumberOfCapabilities(&piCount, &piSize);
if (hr == S_OK){
for (int i = 0; i < piCount; i++){
scc = new BYTE[piSize];
hr = p_VSC->GetStreamCaps(i, &pmt, scc/*reinterpret_cast<BYTE*>(&scc)*/);
//hr = p_VSC->GetFormat(&pmt);
double FrameRate = 15.0;
if (hr == NOERROR)
{
if (pmt->subtype == MEDIASUBTYPE_RGB24 ||
pmt->subtype == MEDIASUBTYPE_I420 ||
pmt->subtype == MEDIASUBTYPE_YUY2){
if (pmt->formattype == FORMAT_VideoInfo)
{
//pmt->subtype = MEDIASUBTYPE_RGB24;
VIDEOINFOHEADER *pvi = (VIDEOINFOHEADER *)pmt->pbFormat;
if (pvi->bmiHeader.biHeight == 240 && pvi->bmiHeader.biWidth == 320){
pvi->AvgTimePerFrame = (LONGLONG)(10000000 / FrameRate);
//pvi->bmiHeader.biHeight = 240;
//pvi->bmiHeader.biWidth = 320;
hr = p_VSC->SetFormat(pmt);
if (FAILED(hr)){
Msg(TEXT("couldn't set video format! hr = 0x%x"), hr);
}
DeleteMediaType(pmt);
delete[] scc;
break;
}
}
}
DeleteMediaType(pmt);
}
delete[] scc;
}
}
ref = pSrc->Release();
}
SAFE_RELEASE(pSrc);
SAFE_RELEASE(pMoniker);
SAFE_RELEASE(pClassEnum);
// Create an enumerator for the audio capture devices
if (SUCCEEDED(hr))
{
hr = pDevEnum->CreateClassEnumerator(CLSID_AudioInputDeviceCategory, &pClassEnum, 0);
if (FAILED(hr))
{
Msg(TEXT("Couldn't create class enumerator! hr=0x%x"), hr);
}
}
if (SUCCEEDED(hr))
{
// If there are no enumerators for the requested type, then
// CreateClassEnumerator will succeed, but pClassEnum will be NULL.
if (pClassEnum == NULL)
{
MessageBox(NULL, TEXT("No audio capture device was detected.\r\n\r\n")
TEXT("This sample requires a audio capture device\r\n")
TEXT("to be installed and working properly. The sample will now close."),
TEXT("No Audio Capture Hardware"), MB_OK | MB_ICONINFORMATION);
hr = E_FAIL;
}
}
// Use the first video capture device on the device list.
// Note that if the Next() call succeeds but there are no monikers,
// it will return S_FALSE (which is not a failure). Therefore, we
// check that the return code is S_OK instead of using SUCCEEDED() macro.
if (SUCCEEDED(hr))
{
hr = pClassEnum->Next(1, &pMoniker, NULL);
if (hr == S_FALSE)
{
Msg(TEXT("Unable to access audio capture device!"));
hr = E_FAIL;
}
}
if (SUCCEEDED(hr))
{
// Bind Moniker to a filter object
hr = pMoniker->BindToObject(0, 0, IID_IBaseFilter, (void**)&pSrc);
if (FAILED(hr))
{
Msg(TEXT("Couldn't bind moniker to filter object! hr=0x%x"), hr);
}
}
// Copy the found filter pointer to the output parameter.
if (SUCCEEDED(hr))
{
p_streams[1].p_device_filter = pSrc;
ref = p_streams[1].p_device_filter->AddRef();
}
SAFE_RELEASE(pSrc);
SAFE_RELEASE(pMoniker);
SAFE_RELEASE(pClassEnum);
SAFE_RELEASE(pDevEnum);
return hr;
}
/*
* Enumerate all video devices
*
* See also:
*
* Using the System Device Enumerator:
* http://msdn2.microsoft.com/en-us/library/ms787871.aspx
*/
int enum_devices()
{
HRESULT hr;
printf("Enumerating video input devices ...\n");
// Create the System Device Enumerator.
ICreateDevEnum *pSysDevEnum = NULL;
hr = CoCreateInstance(CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC_SERVER,
IID_ICreateDevEnum, (void **)&pSysDevEnum);
if(FAILED(hr))
{
fprintf(stderr, "ERROR: Unable to create system device enumerator.\n");
return hr;
}
// Obtain a class enumerator for the video input device 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, do the following:
VARIANT varName;
VariantInit(&varName);
hr = pPropBag->Read(L"FriendlyName", &varName, 0);
if (SUCCEEDED(hr))
{
// Display the name in your UI somehow.
wprintf(L" Found device: %s\n", varName.bstrVal);
}
VariantClear(&varName);
// To create an instance of the filter, do the following:
IBaseFilter *pFilter;
hr = pMoniker->BindToObject(NULL, NULL, IID_IBaseFilter,
(void**)&pFilter);
process_filter(pFilter);
//Remember to release pFilter later.
pPropBag->Release();
}
pMoniker->Release();
}
pEnumCat->Release();
}
pSysDevEnum->Release();
return 0;
}
bool GetAudioCaptureDevices(std::vector<IBaseFilter*>& captureSourceFilterList, std::vector<std::wstring>& captureDeviceNameList)
{
HRESULT hr;
CoInitialize(NULL);
ComUninitial comUninitial;
ICreateDevEnum* createDevEnum;
hr = CoCreateInstance(CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC_SERVER, IID_ICreateDevEnum, (void**)&createDevEnum);
if (FAILED(hr))
{
ErrorPrint("Create system device enum error",hr);
return false;
}
ComReleaser createDevEnumReleaser(createDevEnum);
IEnumMoniker *enumMoniker = NULL;
hr = createDevEnum->CreateClassEnumerator(CLSID_AudioInputDeviceCategory,&enumMoniker, 0);
if (hr != S_OK)
{
ErrorPrint("Create class enumerator error",hr);
return false;
}
std::cout<<"HRESULT VALUE:"<<std::hex<<hr<<std::endl;
std::cout<<"Enum moniker value:"<<std::hex<<(int)enumMoniker<<std::endl;
ComReleaser enumMonikerReleaser(enumMoniker);
IMoniker* moniker;
int i = 0;
while (S_OK == enumMoniker->Next(1, &moniker, NULL))
{
std::cout<<"Find audio count:"<<++i<<std::endl;
ComReleaser monikerReleaser(moniker);
IPropertyBag* propBag;
hr = moniker->BindToStorage(NULL,NULL,IID_IPropertyBag, (void**)&propBag);
if (FAILED(hr))
{
ErrorPrint("Bind to storage error",hr);
}
else
{
ComReleaser propBagReleaser(propBag);
VARIANT varName;
VariantInit(&varName);
hr = propBag->Read(L"FriendlyName", &varName, NULL);
if (FAILED(hr))
{
ErrorPrint("Get audio input device friendly name error",hr);
VariantClear(&varName);
continue;
}
VariantClear(&varName);
IBaseFilter* audioCaptureInputDevice;
hr = moniker->BindToObject(NULL, NULL, IID_IBaseFilter, (void**)&audioCaptureInputDevice);
if (FAILED(hr))
{
ErrorPrint("Bind to object error",hr);
continue;
}
captureSourceFilterList.push_back(audioCaptureInputDevice);
captureDeviceNameList.push_back(varName.bstrVal);
}
}
#ifdef _DEBUG
std::cout<<"Start print all capture device name:\n";
using namespace boost::lambda;
std::for_each(captureDeviceNameList.begin(), captureDeviceNameList.end(), wcout<<_1<<"\n");
#endif
return true;
}
static int v4w_open_videodevice(V4wState *s, int format, MSVideoSize *vsize)
{
// Initialize COM
CoInitialize(NULL);
// get a Graph
HRESULT hr=s->m_pGraph.CoCreateInstance(CLSID_FilterGraph);
if(FAILED(hr))
{
return -1;
}
// get a CaptureGraphBuilder2
#if !defined(_WIN32_WCE)
hr=s->m_pBuilder.CoCreateInstance(CLSID_CaptureGraphBuilder2);
#else
hr=s->m_pBuilder.CoCreateInstance(CLSID_CaptureGraphBuilder);
#endif
if(FAILED(hr))
{
return -2;
}
// connect capture graph builder with the graph
s->m_pBuilder->SetFiltergraph(s->m_pGraph);
// get mediacontrol so we can start and stop the filter graph
hr=s->m_pGraph.QueryInterface(&(s->m_pControl));
if(FAILED(hr))
{
return -3;
}
// get DXFilter
s->m_pDXFilter = new CDXFilter(NULL, &hr, FALSE);
if(s->m_pDXFilter==NULL)
{
return -4;
}
s->m_pDXFilter->AddRef();
if(FAILED(hr))
{
return -4;
}
CMediaType mt;
mt.SetType(&MEDIATYPE_Video);
if (format==MS_YUV420P)
{
GUID m = (GUID)FOURCCMap(MAKEFOURCC('I','4','2','0'));
mt.SetSubtype(&m);
mt.SetSubtype(&MEDIASUBTYPE_YV12);
}
else //if (format==MS_RGB24)
{
mt.SetSubtype(&MEDIASUBTYPE_RGB24);
}
//mt.SetSubtype(&MEDIASUBTYPE_IYUV);
//mt.SetSubtype(&MEDIASUBTYPE_YUYV);
//mt.SetSubtype(&MEDIASUBTYPE_RGB24);
//mt.SetSampleSize();
mt.formattype = FORMAT_VideoInfo;
mt.SetTemporalCompression(FALSE);
VIDEOINFO *pvi = (VIDEOINFO *)
mt.AllocFormatBuffer(sizeof(VIDEOINFO));
if (NULL == pvi)
return E_OUTOFMEMORY;
ZeroMemory(pvi, sizeof(VIDEOINFO));
if (format==MS_YUV420P)
{
pvi->bmiHeader.biCompression = MAKEFOURCC('I','4','2','0');
pvi->bmiHeader.biCompression = MAKEFOURCC('Y','V','1','2');
pvi->bmiHeader.biBitCount = 12;
}
else
{
pvi->bmiHeader.biCompression = BI_RGB;
pvi->bmiHeader.biBitCount = 24;
}
pvi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
pvi->bmiHeader.biWidth = vsize->width;
pvi->bmiHeader.biHeight = vsize->height;
pvi->bmiHeader.biPlanes = 1;
pvi->bmiHeader.biSizeImage = GetBitmapSize(&pvi->bmiHeader);
pvi->bmiHeader.biClrImportant = 0;
mt.SetSampleSize(pvi->bmiHeader.biSizeImage);
mt.SetFormat((BYTE*)pvi, sizeof(VIDEOINFO));
hr = s->m_pDXFilter->SetAcceptedMediaType(&mt);
if(FAILED(hr))
{
return -5;
}
hr = s->m_pDXFilter->SetCallback(Callback);
if(FAILED(hr))
{
return -6;
}
hr = s->m_pDXFilter->QueryInterface(IID_IBaseFilter,
(LPVOID *)&s->m_pIDXFilter);
if(FAILED(hr))
{
return -7;
}
hr = s->m_pGraph->AddFilter(s->m_pIDXFilter, L"DXFilter Filter");
if(FAILED(hr))
{
return -8;
}
#ifdef WM6
ICreateDevEnum *pCreateDevEnum = NULL;
IEnumMoniker *pEnumMoniker = NULL;
IMoniker *pMoniker = NULL;
ULONG nFetched = 0;
hr = CoCreateInstance(CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC_SERVER,
IID_ICreateDevEnum, (PVOID *)&pCreateDevEnum);
if(FAILED(hr))
{
return -9;
}
hr = pCreateDevEnum->CreateClassEnumerator(CLSID_VideoInputDeviceCategory,
&pEnumMoniker, 0);
if (FAILED(hr) || pEnumMoniker == NULL) {
//printf("no device\n");
return -10;
}
pEnumMoniker->Reset();
hr = pEnumMoniker->Next(1, &pMoniker, &nFetched);
if(FAILED(hr) || pMoniker==NULL)
{
return -11;
}
hr = pMoniker->BindToObject(0, 0, IID_IBaseFilter, (void**)&s->m_pDeviceFilter );
if(FAILED(hr))
{
return -12;
}
s->m_pGraph->AddFilter(s->m_pDeviceFilter, L"Device Filter");
pMoniker->Release();
pEnumMoniker->Release();
pCreateDevEnum->Release();
#else
WCHAR wzDeviceName[ MAX_PATH + 1 ];
CComVariant varCamName;
CPropertyBag PropBag;
CComPtr<IPersistPropertyBag> pPropertyBag;
GetFirstCameraDriver(wzDeviceName);
hr = s->m_pDeviceFilter.CoCreateInstance( CLSID_VideoCapture );
if (FAILED(hr))
{
return -8;
}
s->m_pDeviceFilter.QueryInterface( &pPropertyBag );
varCamName = wzDeviceName;
if(( varCamName.vt == VT_BSTR ) == NULL ) {
return E_OUTOFMEMORY;
}
PropBag.Write( L"VCapName", &varCamName );
pPropertyBag->Load( &PropBag, NULL );
pPropertyBag.Release();
hr = s->m_pGraph->AddFilter( s->m_pDeviceFilter, L"Video capture source" );
#endif
if (FAILED(hr))
{
return -8;
}
// get null renderer
s->m_pNullRenderer = NULL;
#if 0
hr=s->m_pNullRenderer.CoCreateInstance(CLSID_NullRenderer);
if(FAILED(hr))
{
return -13;
}
#endif
if (s->m_pNullRenderer!=NULL)
{
s->m_pGraph->AddFilter(s->m_pNullRenderer, L"Null Renderer");
}
hr = s->m_pBuilder->RenderStream(&PIN_CATEGORY_PREVIEW,
&MEDIATYPE_Video, s->m_pDeviceFilter, s->m_pIDXFilter, s->m_pNullRenderer);
if (FAILED(hr))
{
//hr = s->m_pBuilder->RenderStream(&PIN_CATEGORY_CAPTURE,
// &MEDIATYPE_Video, s->m_pDeviceFilter, s->m_pIDXFilter, s->m_pNullRenderer);
if (FAILED(hr))
{
return -14;
}
}
//m_pDXFilter->SetBufferSamples(TRUE);
// Create the System Device Enumerator.
IFilterMapper *pMapper = NULL;
//IEnumMoniker *pEnum = NULL;
IEnumRegFilters *pEnum = NULL;
hr = CoCreateInstance(CLSID_FilterMapper,
NULL, CLSCTX_INPROC, IID_IFilterMapper,
(void **) &pMapper);
if (FAILED(hr))
{
// Error handling omitted for clarity.
}
GUID arrayInTypes[2];
arrayInTypes[0] = MEDIATYPE_Video;
arrayInTypes[1] = MEDIASUBTYPE_dvsd;
hr = pMapper->EnumMatchingFilters(
&pEnum,
MERIT_HW_COMPRESSOR, // Minimum merit.
FALSE, // At least one input pin?
MEDIATYPE_NULL,
MEDIASUBTYPE_NULL,
FALSE, // Must be a renderer?
FALSE, // At least one output pin?
MEDIATYPE_NULL,
MEDIASUBTYPE_NULL);
// Enumerate the monikers.
//IMoniker *pMoniker;
REGFILTER *pMoniker;
ULONG cFetched;
while (pEnum->Next(1, &pMoniker, &cFetched) == S_OK)
{
IPropertyBag *pPropBag = NULL;
#if 0
hr = pMoniker->BindToStorage(0, 0, IID_IPropertyBag,
(void **)&pPropBag);
if (SUCCEEDED(hr))
{
// To retrieve the friendly name of the filter, do the following:
VARIANT varName;
VariantInit(&varName);
hr = pPropBag->Read(L"FriendlyName", &varName, 0);
if (SUCCEEDED(hr))
{
// Display the name in your UI somehow.
}
VariantClear(&varName);
// To create an instance of the filter, do the following:
IBaseFilter *pFilter;
hr = pMoniker->BindToObject(NULL, NULL, IID_IBaseFilter, (void**)&pFilter);
// Now add the filter to the graph. Remember to release pFilter later.
// Clean up.
pPropBag->Release();
}
pMoniker->Release();
#endif
}
// Clean up.
pMapper->Release();
pEnum->Release();
s_callback = s;
hr = s->m_pControl->Run();
if(FAILED(hr))
{
return -15;
}
s->rotregvalue=1;
s->pix_fmt = format;
s->vsize.height = vsize->height;
s->vsize.width = vsize->width;
return 0;
}
HRESULT FindVideoCompressor(const std::wstring& format, IBaseFilter *&result)
{
HRESULT hr = S_OK;
CoInitialize(NULL);
ComUninitial comUninitial;
ICreateDevEnum *createDevEnum;
hr = CoCreateInstance(CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC_SERVER, IID_ICreateDevEnum, (void**)&createDevEnum);
if(FAILED(hr))
{
ErrorPrint("Create system device enum error", hr);
return hr;
}
ComReleaser createDevEnumReleaser(createDevEnum);
IEnumMoniker *enumMoniker;
hr = createDevEnum->CreateClassEnumerator(CLSID_VideoCompressorCategory, &enumMoniker, 0);
if (FAILED(hr))
{
ErrorPrint("Create Video compressor enum error", hr);
return hr;
}
IMoniker *moniker;
while(S_OK == enumMoniker->Next(1, &moniker, NULL))
{
ComReleaser monikerReleaser(moniker);
LPOLESTR oleDisplayName;
hr = moniker->GetDisplayName(NULL, NULL, &oleDisplayName);
if(FAILED(hr))
{
ErrorPrint("Get display name error", hr);
continue;
}
std::wstring displayName(oleDisplayName);
size_t slashPos;
for (slashPos = 0; slashPos < displayName.size(); ++slashPos)
{
if(displayName[slashPos] == L'\\')
break;
}
if(slashPos == displayName.size())
{
ErrorPrint("Find slash error");
continue;
}
displayName = displayName.substr(slashPos+1);
if (displayName == format)
{
hr = moniker->BindToObject(NULL, NULL, IID_IBaseFilter, (void**)&result);
if(FAILED(hr))
{
ErrorPrint("Create video compressor filter error", hr);
continue;
}
return S_OK;
}
}
return E_FAIL;
}
//-----------------------------------------------------------------------------
// AddFilter2
// Attempts to locate a filter of a given class category and name
HRESULT CDSUtils::AddFilter2(IGraphBuilder* pGraph, const GUID &clsid, LPCWSTR pName, IBaseFilter** ppFilter)
{
HRESULT hr = S_OK;
if (pGraph && pName && ppFilter)
{
// first enumerate the system devices for the specifed class and filter name
CComPtr<ICreateDevEnum> pSysDevEnum = NULL;
hr = CoCreateInstance(CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC_SERVER, IID_ICreateDevEnum, reinterpret_cast<void**>(&pSysDevEnum));
if (SUCCEEDED(hr))
{
CComPtr<IEnumMoniker> pEnumCat = NULL;
hr = pSysDevEnum->CreateClassEnumerator(clsid, &pEnumCat, 0);
if (S_OK == hr)
{
IMoniker* pMoniker = NULL;
bool Loop = true;
while ((S_OK == pEnumCat->Next(1, &pMoniker, NULL)) && Loop)
{
IPropertyBag* pPropBag = NULL;
hr = pMoniker->BindToStorage(0, 0, IID_IPropertyBag, reinterpret_cast<void**>(&pPropBag));
if (SUCCEEDED(hr))
{
VARIANT varName;
VariantInit(&varName);
hr = pPropBag->Read(L"FriendlyName", &varName, 0);
if (SUCCEEDED(hr))
{
if (0 == wcscmp(varName.bstrVal, pName))
{
hr = pMoniker->BindToObject(NULL, NULL, IID_IBaseFilter, reinterpret_cast<void**>(ppFilter));
Loop = false;
}
}
VariantClear(&varName);
// contained within a loop, decrement the reference count
SAFE_RELEASE(pPropBag);
}
SAFE_RELEASE(pMoniker);
}
}
}
// if a filter has been located add it to the graph
if (*ppFilter)
{
hr = pGraph->AddFilter(reinterpret_cast<IBaseFilter*>(*ppFilter), pName);
}
else
{
hr = E_FAIL;
}
}
else
{
hr = E_INVALIDARG;
}
return hr;
}
bool GetCaptureCrossbarDevices(std::vector<IBaseFilter*>& crossbarFilterList, std::vector<std::wstring>& crossbarNameList)
{
HRESULT hr;
ICreateDevEnum* createDevEnum; //创建枚举器
hr = CoCreateInstance(CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC_SERVER, IID_ICreateDevEnum, (void**)&createDevEnum);
if(FAILED(hr))
{
ErrorPrint("Crate system device enum error", hr);
return false;
}
ComReleaser createDevEnumReleaser(createDevEnum);
IEnumMoniker *enumMoniker;
hr = createDevEnum->CreateClassEnumerator(AM_KSCATEGORY_CROSSBAR, &enumMoniker, 0); //创建crossbar枚举器
if(hr != S_OK)
{
ErrorPrint("Create class enumerator error", hr);
return false;
}
ComReleaser enumMonikerReleaser(enumMoniker);
IMoniker *moniker;
while(S_OK == enumMoniker->Next(1, &moniker, NULL)) //枚举输入设备
{
ComReleaser monikerReleaser(moniker);
IPropertyBag* propBag;
hr = moniker->BindToStorage(NULL, NULL, IID_IPropertyBag, (void**)&propBag);
if(FAILED(hr))
{
ErrorPrint("Bind to storage error", hr);
return false;
}
VARIANT varName;
VariantInit(&varName);
hr = propBag->Read(L"FriendlyName", &varName, NULL);
if(FAILED(hr))
{
ErrorPrint("Read friendly name error", hr);
VariantClear(&varName);
continue;
}
VariantClear(&varName);
IBaseFilter* captureSourceFilter;
hr = moniker->BindToObject(NULL, NULL, IID_IBaseFilter, (void**)&captureSourceFilter); //生成video input对应的source filter,记得要手动释放
if (FAILED(hr))
{
ErrorPrint(wstring(L"Get caputre device ") + varName.bstrVal + L" source filter error", hr);
continue;
}
crossbarNameList.push_back(varName.bstrVal);
crossbarFilterList.push_back(captureSourceFilter);
}
#ifdef _DEBUG
std::cout<<"Start print all crossbar device name:\n";
using namespace boost::lambda;
std::for_each(crossbarNameList.begin(), crossbarNameList.end(), wcout<<_1<<"\n");
#endif
return true;
}
void DSManager::initCaptureDevices()
{
HRESULT ret = 0;
VARIANT name;
ICreateDevEnum* devEnum = NULL;
IEnumMoniker* monikerEnum = NULL;
IMoniker* moniker = NULL;
if(m_devices.size() > 0)
{
/* clean up our list in case of reinitialization */
for(std::list<DSCaptureDevice*>::iterator it = m_devices.begin() ; it != m_devices.end() ; ++it)
{
delete *it;
}
m_devices.clear();
}
/* get the available devices list */
ret = CoCreateInstance(CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC_SERVER,
IID_ICreateDevEnum, (void**)&devEnum);
if(FAILED(ret))
{
return;
}
ret = devEnum->CreateClassEnumerator(CLSID_VideoInputDeviceCategory,
&monikerEnum, 0);
/* error or no devices */
if(FAILED(ret) || ret == S_FALSE)
{
devEnum->Release();
return;
}
/* loop and initialize all available capture devices */
while(monikerEnum->Next(1, &moniker, 0) == S_OK)
{
DSCaptureDevice* captureDevice = NULL;
IPropertyBag* propertyBag = NULL;
{
IBaseFilter* cp = NULL;
if(!FAILED(moniker->BindToObject(0, 0, IID_IBaseFilter, (void**)&cp)))
{
IAMVfwCaptureDialogs* vfw = NULL;
if(!FAILED(
cp->QueryInterface(IID_IAMVfwCaptureDialogs, (void**)&vfw)))
{
if(vfw)
{
vfw->Release();
cp->Release();
continue;
}
}
}
}
/* get properties of the device */
ret = moniker->BindToStorage(0, 0, IID_IPropertyBag, (void**)&propertyBag);
if(!FAILED(ret))
{
VariantInit(&name);
ret = propertyBag->Read(L"FriendlyName", &name, 0);
if(FAILED(ret))
{
VariantClear(&name);
propertyBag->Release();
moniker->Release();
continue;
}
/* create a new capture device */
captureDevice = new DSCaptureDevice(name.bstrVal);
/* wprintf(L"%ws\n", name.bstrVal); */
if(captureDevice && captureDevice->initDevice(moniker))
{
/* initialization success, add to the list */
m_devices.push_back(captureDevice);
}
else
{
/* printf("failed to initialize device\n"); */
delete captureDevice;
}
/* clean up */
VariantClear(&name);
propertyBag->Release();
}
moniker->Release();
}
/* cleanup */
monikerEnum->Release();
devEnum->Release();
}
static GstCaps *
gst_dshowvideosrc_get_caps (GstBaseSrc * basesrc, GstCaps *filter)
{
HRESULT hres = S_OK;
IBindCtx *lpbc = NULL;
IMoniker *videom;
DWORD dwEaten;
GstDshowVideoSrc *src = GST_DSHOWVIDEOSRC (basesrc);
gunichar2 *unidevice = NULL;
if (src->caps) {
return gst_caps_ref (src->caps);
}
if (!src->device) {
src->device =
gst_dshow_getdevice_from_devicename (&CLSID_VideoInputDeviceCategory,
&src->device_name);
if (!src->device) {
GST_ERROR ("No video device found.");
return NULL;
}
}
unidevice =
g_utf8_to_utf16 (src->device, strlen (src->device), NULL, NULL, NULL);
if (!src->video_cap_filter) {
hres = CreateBindCtx (0, &lpbc);
if (SUCCEEDED (hres)) {
hres =
MkParseDisplayName (lpbc, (LPCOLESTR) unidevice, &dwEaten, &videom);
if (SUCCEEDED (hres)) {
hres = videom->BindToObject (lpbc, NULL, IID_IBaseFilter,
(LPVOID *) & src->video_cap_filter);
videom->Release ();
}
lpbc->Release ();
}
}
if (!src->caps) {
src->caps = gst_caps_new_empty ();
}
if (src->video_cap_filter && gst_caps_is_empty (src->caps)) {
/* get the capture pins supported types */
IPin *capture_pin = NULL;
IEnumPins *enumpins = NULL;
HRESULT hres;
hres = src->video_cap_filter->EnumPins (&enumpins);
if (SUCCEEDED (hres)) {
while (enumpins->Next (1, &capture_pin, NULL) == S_OK) {
IKsPropertySet *pKs = NULL;
hres =
capture_pin->QueryInterface (IID_IKsPropertySet, (LPVOID *) & pKs);
if (SUCCEEDED (hres) && pKs) {
DWORD cbReturned;
GUID pin_category;
RPC_STATUS rpcstatus;
hres =
pKs->Get (AMPROPSETID_Pin,
AMPROPERTY_PIN_CATEGORY, NULL, 0, &pin_category, sizeof (GUID),
&cbReturned);
/* we only want capture pins */
if (UuidCompare (&pin_category, (UUID *) & PIN_CATEGORY_CAPTURE,
&rpcstatus) == 0) {
{
GstCaps *caps =
gst_dshowvideosrc_getcaps_from_streamcaps (src, capture_pin);
if (caps) {
gst_caps_append (src->caps, caps);
} else {
caps = gst_dshowvideosrc_getcaps_from_enum_mediatypes (src, capture_pin);
if (caps)
gst_caps_append (src->caps, caps);
}
}
}
pKs->Release ();
}
capture_pin->Release ();
}
enumpins->Release ();
}
}
if (unidevice) {
g_free (unidevice);
}
if (src->caps) {
if (filter) {
return gst_caps_intersect_full (filter, src->caps,
GST_CAPS_INTERSECT_FIRST);
} else {
return gst_caps_ref (src->caps);
}
}
return NULL;
}