void VideoCapture::EnumResolutions()
{
int iCount, iSize, iChosen=-1;
IBaseFilter *pSource;
CComPtr <ICaptureGraphBuilder2> pCaptB;
VIDEO_STREAM_CONFIG_CAPS caps;
HRESULT hr;
bool response;
IAMStreamConfig *pConfig;
devices_resolutions = new DeviceResolutions[nDevices];
pCaptB.CoCreateInstance(CLSID_CaptureGraphBuilder2);
for (unsigned int iDevice=0; iDevice<nDevices; iDevice++)
{
response = BindFilter(iDevice, &pSource);
hr = pCaptB->FindInterface(
&PIN_CATEGORY_CAPTURE,
&MEDIATYPE_Video,
pSource,
IID_IAMStreamConfig,
(void**)&pConfig);
if (!SUCCEEDED(hr))
{
pSource->Release();
devices_resolutions[iDevice].nResolutions = 0;
continue;
}
pConfig->GetNumberOfCapabilities(&iCount, &iSize);
devices_resolutions[iDevice].SetNResolutions(iCount);
for(int i=0; i < iCount; i++) {
AM_MEDIA_TYPE *pmt;
if( pConfig->GetStreamCaps(i, &pmt, reinterpret_cast<BYTE*>(&caps)) == S_OK ) {
VIDEOINFOHEADER *pVih =
reinterpret_cast<VIDEOINFOHEADER*>(pmt->pbFormat);
devices_resolutions[iDevice].x[i] = caps.InputSize.cx;
devices_resolutions[iDevice].y[i] = caps.InputSize.cy;
devices_resolutions[iDevice].color_space[i] = pmt->subtype;
devices_resolutions[iDevice].compression[i] = pVih->bmiHeader.biCompression;
DeleteMediaType(pmt);
}
}
pSource->Release();
pConfig->Release();
pSource = 0;
}
}
bool MIPDirectShowCapture::listGUIDS(std::list<GUID> &guids)
{
guids.clear();
HRESULT hr;
IAMStreamConfig *pConfig = 0;
hr = m_pBuilder->FindInterface(&PIN_CATEGORY_CAPTURE, 0, m_pCaptDevice, IID_IAMStreamConfig, (void**)&pConfig);
if (HR_FAILED(hr))
{
setErrorString(MIPDIRECTSHOWCAPTURE_ERRSTR_CANTGETDEVICECONFIG);
return false;
}
int count = 0;
int s = 0;
hr = pConfig->GetNumberOfCapabilities(&count, &s);
if (HR_FAILED(hr))
{
pConfig->Release();
setErrorString(MIPDIRECTSHOWCAPTURE_ERRSTR_CANTGETDEVICECAPS);
return false;
}
if (s != sizeof(VIDEO_STREAM_CONFIG_CAPS))
{
pConfig->Release();
setErrorString(MIPDIRECTSHOWCAPTURE_ERRSTR_INVALIDCAPS);
return false;
}
for (int i = 0; i < count; i++)
{
VIDEO_STREAM_CONFIG_CAPS caps;
AM_MEDIA_TYPE *pMediaType;
hr = pConfig->GetStreamCaps(i, &pMediaType, (BYTE*)&caps);
if (HR_SUCCEEDED(hr))
{
if (pMediaType->majortype == MEDIATYPE_Video)
{
GUID subType = pMediaType->subtype;
guids.push_back(subType);
// uint8_t *pSubType = (uint8_t *)&subType;
//
// printf("0x%02x%02x%02x%02x %c%c%c%c\n",(int)pSubType[0],(int)pSubType[1],(int)pSubType[2],(int)pSubType[3],
// (char)pSubType[0],(char)pSubType[1],(char)pSubType[2],(char)pSubType[3]);
}
}
}
return true;
}
void DSCaptureDevice::initSupportedFormats()
{
HRESULT ret;
IAMStreamConfig* streamConfig = NULL;
AM_MEDIA_TYPE* mediaType = NULL;
ret = m_captureGraphBuilder->FindInterface(&PIN_CATEGORY_CAPTURE, &MEDIATYPE_Video,
m_srcFilter, IID_IAMStreamConfig, (void**)&streamConfig);
/* get to find all supported formats */
if(!FAILED(ret))
{
int nb = 0;
int size = 0;
BYTE* allocBytes = NULL;
streamConfig->GetNumberOfCapabilities(&nb, &size);
allocBytes = new BYTE[size];
for(int i = 0 ; i < nb ; i++)
{
if(streamConfig->GetStreamCaps(i, &mediaType, allocBytes) == S_OK)
{
struct DSFormat format;
VIDEOINFOHEADER* hdr = (VIDEOINFOHEADER*)mediaType->pbFormat;
if(hdr)
{
format.height = hdr->bmiHeader.biHeight;
format.width = hdr->bmiHeader.biWidth;
format.pixelFormat = mediaType->subtype.Data1;
format.mediaType = mediaType->subtype;
m_formats.push_back(format);
}
}
}
delete allocBytes;
}
}
QVector<VideoMode> DirectShow::getDeviceModes(QString devName)
{
QVector<VideoMode> modes;
IBaseFilter* devFilter = getDevFilter(devName);
if (!devFilter)
return modes;
// The outter loop tries to find a valid output pin
GUID category;
DWORD r2;
IEnumPins *pins = nullptr;
IPin *pin;
if (devFilter->EnumPins(&pins) != S_OK)
return modes;
while (pins->Next(1, &pin, nullptr) == S_OK)
{
IKsPropertySet *p = nullptr;
PIN_INFO info;
pin->QueryPinInfo(&info);
info.pFilter->Release();
if (info.dir != PINDIR_OUTPUT)
goto next;
if (pin->QueryInterface(IID_IKsPropertySet, (void**)&p) != S_OK)
goto next;
if (p->Get(AMPROPSETID_Pin, AMPROPERTY_PIN_CATEGORY,
nullptr, 0, &category, sizeof(GUID), &r2) != S_OK)
goto next;
if (!IsEqualGUID(category, PIN_CATEGORY_CAPTURE))
goto next;
// Now we can list the video modes for the current pin
// Prepare for another wall of spaghetti DIRECT SHOW QUALITY code
{
IAMStreamConfig *config = nullptr;
VIDEO_STREAM_CONFIG_CAPS *vcaps = nullptr;
int size, n;
if (pin->QueryInterface(IID_IAMStreamConfig, (void**)&config) != S_OK)
goto next;
if (config->GetNumberOfCapabilities(&n, &size) != S_OK)
goto pinend;
assert(size == sizeof(VIDEO_STREAM_CONFIG_CAPS));
vcaps = new VIDEO_STREAM_CONFIG_CAPS;
for (int i=0; i<n; ++i)
{
AM_MEDIA_TYPE* type = nullptr;
if (config->GetStreamCaps(i, &type, (BYTE*)vcaps) != S_OK)
goto nextformat;
if (!IsEqualGUID(type->formattype, FORMAT_VideoInfo)
&& !IsEqualGUID(type->formattype, FORMAT_VideoInfo2))
goto nextformat;
VideoMode mode;
mode.width = vcaps->MaxOutputSize.cx;
mode.height = vcaps->MaxOutputSize.cy;
mode.FPS = 1e7 / vcaps->MinFrameInterval;
if (!modes.contains(mode))
modes.append(std::move(mode));
nextformat:
if (type->pbFormat)
CoTaskMemFree(type->pbFormat);
CoTaskMemFree(type);
}
pinend:
config->Release();
delete vcaps;
}
next:
if (p)
p->Release();
pin->Release();
}
return modes;
}
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;
}
static GstCaps *
gst_dshowvideosrc_getcaps_from_streamcaps (GstDshowVideoSrc * src, IPin * pin)
{
GstCaps *caps = NULL;
HRESULT hres = S_OK;
int icount = 0;
int isize = 0;
VIDEO_STREAM_CONFIG_CAPS vscc;
int i = 0;
IAMStreamConfig *streamcaps = NULL;
hres = pin->QueryInterface (IID_IAMStreamConfig, (LPVOID *) & streamcaps);
if (FAILED (hres)) {
GST_ERROR ("Failed to retrieve IAMStreamConfig (error=0x%x)", hres);
return NULL;
}
streamcaps->GetNumberOfCapabilities (&icount, &isize);
if (isize != sizeof (vscc)) {
streamcaps->Release ();
return NULL;
}
caps = gst_caps_new_empty ();
for (i = 0; i < icount; i++) {
GstCapturePinMediaType *pin_mediatype =
gst_dshow_new_pin_mediatype_from_streamcaps (pin, i, streamcaps);
if (pin_mediatype) {
GstCaps *mediacaps = NULL;
GstVideoFormat video_format =
gst_dshow_guid_to_gst_video_format (pin_mediatype->mediatype);
if (video_format != GST_VIDEO_FORMAT_UNKNOWN) {
mediacaps = gst_dshow_new_video_caps (video_format, NULL,
pin_mediatype);
} else if (gst_dshow_check_mediatype (pin_mediatype->mediatype,
MEDIASUBTYPE_dvsd, FORMAT_VideoInfo)) {
mediacaps =
gst_dshow_new_video_caps (GST_VIDEO_FORMAT_UNKNOWN,
"video/x-dv, systemstream=FALSE", pin_mediatype);
} else if (gst_dshow_check_mediatype (pin_mediatype->mediatype,
MEDIASUBTYPE_dvsd, FORMAT_DvInfo)) {
mediacaps =
gst_dshow_new_video_caps (GST_VIDEO_FORMAT_UNKNOWN,
"video/x-dv, systemstream=TRUE", pin_mediatype);
pin_mediatype->granularityWidth = 0;
pin_mediatype->granularityHeight = 0;
} else if(gst_dshow_check_mediatype(pin_mediatype->mediatype,
MEDIASUBTYPE_MJPG, FORMAT_VideoInfo)) {
mediacaps = gst_dshow_new_video_caps(GST_VIDEO_FORMAT_UNKNOWN,
"image/jpeg", pin_mediatype);
}
if (mediacaps) {
src->pins_mediatypes =
g_list_append (src->pins_mediatypes, pin_mediatype);
gst_caps_append (caps, mediacaps);
} else {
/* failed to convert dshow caps */
gst_dshow_free_pin_mediatype (pin_mediatype);
}
}
}
streamcaps->Release ();
if (caps && gst_caps_is_empty (caps)) {
gst_caps_unref (caps);
caps = NULL;
}
return caps;
}
void DirectShowGrabber::setCaptureOutputFormat() {
IAMStreamConfig *pConfig;
int iCount;
int iSize;
VIDEOINFOHEADER *pVih;
VIDEO_STREAM_CONFIG_CAPS scc;
AM_MEDIA_TYPE *pmtConfig;
int formatSet;
HRESULT hr;
// Reference http://msdn.microsoft.com/library/default.asp?url=/library/en-us/directshow/htm/configurethevideooutputformat.asp
debug_msg("DirectShowGrabber::setCaptureOutputFormat(): enter...\n");
formatSet = 0;
pConfig = NULL;
hr = pBuild_->FindInterface(&PIN_CATEGORY_CAPTURE, &MEDIATYPE_Video,
pCaptureFilter_, IID_IAMStreamConfig, (void**)&pConfig);
if (FAILED(hr)) {
Grabber::status_=-1;
return;
}
debug_msg("DirectShowGrabber::setCaptureOutputFormat(): IAMStreamConfig interface acquired\n");
iCount = iSize = 0;
hr = pConfig->GetNumberOfCapabilities(&iCount, &iSize);
// Check the size to make sure we pass in the correct structure.
// The alternative output of iSize is AUDIO_STREAM_CONFIG_CAPS, btw.
if ( iSize == sizeof(VIDEO_STREAM_CONFIG_CAPS) ) {
for (int iFormat = 0; iFormat < iCount; iFormat++) {
hr = pConfig->GetStreamCaps(iFormat, &pmtConfig, (BYTE *)&scc);
//showErrorMessage(hr);
if( SUCCEEDED(hr) ) {
if ((pmtConfig->majortype == MEDIATYPE_Video) &&
(pmtConfig->subtype == MEDIASUBTYPE_RGB24) &&
(pmtConfig->formattype == FORMAT_VideoInfo) &&
(pmtConfig->cbFormat >= sizeof (VIDEOINFOHEADER)) &&
(pmtConfig->pbFormat != NULL)) {
pVih = (VIDEOINFOHEADER *)pmtConfig->pbFormat;
pVih->bmiHeader.biWidth = 320;
pVih->bmiHeader.biHeight = 240;
pVih->bmiHeader.biSizeImage = DIBSIZE(pVih->bmiHeader);
debug_msg("Windows GDI BITMAPINFOHEADER follows:\n");
debug_msg("biWidth= %d\n", pVih->bmiHeader.biWidth);
debug_msg("biHeight= %d\n", pVih->bmiHeader.biHeight);
debug_msg("biSize= %d\n", pVih->bmiHeader.biSize);
debug_msg("biPlanes= %d\n", pVih->bmiHeader.biPlanes);
debug_msg("biBitCount= %d\n", pVih->bmiHeader.biBitCount);
debug_msg("biCompression= %d\n", pVih->bmiHeader.biCompression);
debug_msg("biSizeImage= %d\n", pVih->bmiHeader.biSizeImage);
debug_msg("biXPelsPerMeter=%d\n", pVih->bmiHeader.biXPelsPerMeter);
debug_msg("biYPelsPerMeter=%d\n", pVih->bmiHeader.biYPelsPerMeter);
debug_msg("biClrUsed= %d\n", pVih->bmiHeader.biClrUsed);
debug_msg("biClrImportant= %d\n", pVih->bmiHeader.biClrImportant);
hr = pConfig->SetFormat(pmtConfig);
//showErrorMessage(hr);
// XXX: leak. need to deal with this - msp
//DeleteMediaType(pmtConfig);
formatSet = 1;
break;
}
}
}
}
pConfig->Release();
if( formatSet )
debug_msg("DirectShowGrabber::setCaptureOutputFormat: format set\n");
else
debug_msg("DirectShowGrabber::setCaptureOutputFormat: format not set\n");
}
bool MIPDirectShowCapture::setFormat(int w, int h, real_t rate)
{
HRESULT hr;
IAMStreamConfig *pConfig = 0;
hr = m_pBuilder->FindInterface(&PIN_CATEGORY_CAPTURE, 0, m_pCaptDevice, IID_IAMStreamConfig, (void**)&pConfig);
if (HR_FAILED(hr))
{
setErrorString(MIPDIRECTSHOWCAPTURE_ERRSTR_CANTGETDEVICECONFIG);
return false;
}
int count = 0;
int s = 0;
hr = pConfig->GetNumberOfCapabilities(&count, &s);
if (HR_FAILED(hr))
{
pConfig->Release();
setErrorString(MIPDIRECTSHOWCAPTURE_ERRSTR_CANTGETDEVICECAPS);
return false;
}
if (s != sizeof(VIDEO_STREAM_CONFIG_CAPS))
{
pConfig->Release();
setErrorString(MIPDIRECTSHOWCAPTURE_ERRSTR_INVALIDCAPS);
return false;
}
for (int i = 0; i < count; i++)
{
VIDEO_STREAM_CONFIG_CAPS caps;
AM_MEDIA_TYPE *pMediaType;
hr = pConfig->GetStreamCaps(i, &pMediaType, (BYTE*)&caps);
if (HR_SUCCEEDED(hr))
{
if ((pMediaType->majortype == MEDIATYPE_Video) &&
(pMediaType->subtype == m_selectedGuid) &&
(pMediaType->formattype == FORMAT_VideoInfo) &&
(pMediaType->cbFormat >= sizeof (VIDEOINFOHEADER)) &&
(pMediaType->pbFormat != 0))
{
VIDEOINFOHEADER *pVih = (VIDEOINFOHEADER*)pMediaType->pbFormat;
pVih->bmiHeader.biWidth = w;
pVih->bmiHeader.biHeight = h;
pVih->bmiHeader.biSizeImage = DIBSIZE(pVih->bmiHeader);
pVih->AvgTimePerFrame = (REFERENCE_TIME)(10000000.0/rate);
hr = pConfig->SetFormat(pMediaType);
if (HR_SUCCEEDED(hr))
{
CoTaskMemFree(pMediaType->pbFormat);
pConfig->Release();
return true;
}
}
if (pMediaType->pbFormat != 0)
CoTaskMemFree(pMediaType->pbFormat);
}
}
pConfig->Release();
setErrorString(MIPDIRECTSHOWCAPTURE_ERRSTR_CANTSETCAPS);
return false;
}
HRESULT DSCaptureDevice::setFormat(const DSFormat& format)
{
HRESULT hr;
IAMStreamConfig* streamConfig = NULL;
/* get the right interface to change capture settings */
hr
= m_captureGraphBuilder->FindInterface(
&PIN_CATEGORY_CAPTURE,
&MEDIATYPE_Video,
m_srcFilter,
IID_IAMStreamConfig,
(void**) &streamConfig);
if(SUCCEEDED(hr))
{
int nb = 0;
int size = 0;
AM_MEDIA_TYPE* mediaType = NULL;
size_t bitCount = 0;
hr = streamConfig->GetNumberOfCapabilities(&nb, &size);
if (SUCCEEDED(hr) && nb)
{
BYTE* scc = new BYTE[size];
if (scc)
{
DWORD pixfmt = format.pixelFormat;
for (int i = 0 ; i < nb ; i++)
{
AM_MEDIA_TYPE* mt;
if (streamConfig->GetStreamCaps(i, &mt, scc) == S_OK)
{
VIDEOINFOHEADER* hdr = (VIDEOINFOHEADER*) mt->pbFormat;
if (hdr
&& (mt->subtype.Data1 == pixfmt)
&& ((long) format.height
== hdr->bmiHeader.biHeight)
&& ((long) format.width
== hdr->bmiHeader.biWidth))
{
mediaType = mt;
if ((pixfmt == MEDIASUBTYPE_ARGB32.Data1)
|| (pixfmt == MEDIASUBTYPE_RGB32.Data1))
bitCount = 32;
else if (pixfmt == MEDIASUBTYPE_RGB24.Data1)
bitCount = 24;
else
bitCount = hdr->bmiHeader.biBitCount;
break;
}
else
_DeleteMediaType(mt);
}
}
delete[] scc;
}
else
hr = E_OUTOFMEMORY;
}
if (mediaType)
{
hr = streamConfig->SetFormat(mediaType);
if (SUCCEEDED(hr))
{
m_bitPerPixel = bitCount;
m_format = format;
m_format.mediaType = mediaType->subtype;
}
_DeleteMediaType(mediaType);
}
else if (SUCCEEDED(hr))
hr = E_FAIL;
streamConfig->Release();
}
return hr;
}
AM_MEDIA_TYPE * CCaptureDevice::SelectMediaType(void)
{
// Preferred sequence: UYVY, YUY2, RGB565, RGB555, RGB24, RGB32
VIDEO_STREAM_CONFIG_CAPS pSCC;
AM_MEDIA_TYPE * pmt = NULL;
HRESULT hr = S_OK;
int nCounts=0, nSize=0;
int preferredIndex = -1;
enum {
UYVY = 0, YUY2, RGB565, RGB555, RGB24, RGB32, Unknown
} currentPreferred, temp;
currentPreferred = Unknown;
IAMStreamConfig * pCfg = GetStreamConfig();
pCfg->GetNumberOfCapabilities(&nCounts, &nSize);
for (int i = 0; i < nCounts; i++)
{
if (pCfg->GetStreamCaps(i, &pmt, (BYTE *)&pSCC) == S_OK)
{
if (pmt->subtype == MEDIASUBTYPE_RGB32)
{
temp = RGB32;
}
else if (pmt->subtype == MEDIASUBTYPE_RGB24)
{
temp = RGB24;
}
else if (pmt->subtype == MEDIASUBTYPE_RGB565)
{
temp = RGB565;
}
else if (pmt->subtype == MEDIASUBTYPE_RGB555)
{
temp = RGB555;
}
else if (pmt->subtype == MEDIASUBTYPE_YUY2)
{
temp = YUY2;
}
else if (pmt->subtype == MEDIASUBTYPE_UYVY)
{
temp = UYVY;
}
else
{
temp = Unknown;
}
if (temp < currentPreferred)
{
currentPreferred = temp;
preferredIndex = i;
}
DeleteMediaType(pmt);
}
}
// Get the preferred media type
if (preferredIndex != -1)
{
hr = pCfg->GetStreamCaps(preferredIndex, &pmt, (BYTE *)&pSCC);
}
else
{
hr = pCfg->GetFormat(&pmt);
}
return pmt;
}
HRESULT CAudioCompressorFormats::GetSupportedFormats(std::vector<WAVEFORMATEX*>& listFormats)
{
CStringW swDeviceName(m_sAudComp);
HRESULT hr = m_pSysDevEnum->CreateClassEnumerator(CLSID_AudioCompressorCategory, &m_pEnumCat, 0);
if(NULL == m_pEnumCat)
return E_POINTER;
if(S_OK == hr)
{
ULONG cFetched;
while(m_pEnumCat->Next(1, &m_pMoniker, &cFetched) == S_OK)
{
IPropertyBag *pPropBag;
hr = m_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))
{
if(wcscmp((WCHAR*)varName.pbstrVal, swDeviceName.GetBuffer()) == 0)
{
m_pMoniker->AddRef();
break;
}
}
VariantClear(&varName);
pPropBag->Release();
}
m_pMoniker->Release();
}
}
if(m_pMoniker)
{
IBaseFilter *pFilter = 0;
hr = m_pMoniker->BindToObject(0, 0, IID_IBaseFilter, (void**)&pFilter);
if(SUCCEEDED(hr))
{
IEnumPins *pEnum = NULL;
hr = pFilter->EnumPins(&pEnum);
if (SUCCEEDED(hr))
{
IPin *pPin = NULL;
while(S_OK == pEnum->Next(1, &pPin, NULL))
{
IAMStreamConfig *pConf;
hr = pPin->QueryInterface(IID_IAMStreamConfig, (void**)&pConf);
if (SUCCEEDED(hr))
{
CString sFormat;
int iCount, iSize;
BYTE *pSCC = NULL;
AM_MEDIA_TYPE *pmt;
float fSample;
hr = pConf->GetNumberOfCapabilities(&iCount, &iSize);
pSCC = new BYTE[iSize];
if (pSCC == NULL)
{
return E_POINTER;
}
if (iSize == sizeof(AUDIO_STREAM_CONFIG_CAPS))
{
// Use the audio capabilities structure.
for (int iFormat = 0; iFormat < iCount; iFormat++)
{
AUDIO_STREAM_CONFIG_CAPS scc;
AM_MEDIA_TYPE *pmtConfig;
hr = pConf->GetStreamCaps(iFormat, &pmtConfig, (BYTE*)&scc);
if (SUCCEEDED(hr))
{
if(pmtConfig->formattype == FORMAT_WaveFormatEx)
{
WAVEFORMATEX *pFormat = new WAVEFORMATEX(*(reinterpret_cast<WAVEFORMATEX*>(pmtConfig->pbFormat)));
if(pFormat)
{
listFormats.push_back(pFormat);
}
FreeMediaType(*pmtConfig);
CoTaskMemFree(pmtConfig);
}
}
}
delete pSCC;
}
pConf->Release();
}
pPin->Release();
}
pEnum->Release();
}
pFilter->Release();
}
}
}
int main()
{
// for playing
IGraphBuilder *pGraphBuilder;
ICaptureGraphBuilder2 *pCaptureGraphBuilder2;
IMediaControl *pMediaControl;
IBaseFilter *pDeviceFilter = NULL;
// to select a video input device
ICreateDevEnum *pCreateDevEnum = NULL;
IEnumMoniker *pEnumMoniker = NULL;
IMoniker *pMoniker = NULL;
ULONG nFetched = 0;
// initialize COM
CoInitialize(NULL);
//
// selecting a device
//
// Create CreateDevEnum to list device
CoCreateInstance(CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC_SERVER,
IID_ICreateDevEnum, (PVOID *)&pCreateDevEnum);
// Create EnumMoniker to list VideoInputDevice
pCreateDevEnum->CreateClassEnumerator(CLSID_VideoInputDeviceCategory,
&pEnumMoniker, 0);
if (pEnumMoniker == NULL) {
// this will be shown if there is no capture device
printf("no device\n");
return 0;
}
// reset EnumMoniker
pEnumMoniker->Reset();
// get each Moniker
while (pEnumMoniker->Next(1, &pMoniker, &nFetched) == S_OK)
{
IPropertyBag *pPropertyBag;
TCHAR devname[256];
// bind to IPropertyBag
pMoniker->BindToStorage(0, 0, IID_IPropertyBag,
(void **)&pPropertyBag);
VARIANT var;
// get FriendlyName
var.vt = VT_BSTR;
pPropertyBag->Read(L"FriendlyName", &var, 0);
WideCharToMultiByte(CP_ACP, 0,
var.bstrVal, -1, devname, sizeof(devname), 0, 0);
VariantClear(&var);
printf("%s\r\n", devname);
printf(" select this device ? [y] or [n]\r\n");
int ch = getchar();
// you can start playing by 'y' + return key
// if you press the other key, it will not be played.
if (ch == 'y')
{
// Bind Monkier to Filter
pMoniker->BindToObject(0, 0, IID_IBaseFilter,
(void**)&pDeviceFilter );
}
else
{
getchar();
}
// release
pMoniker->Release();
pPropertyBag->Release();
if (pDeviceFilter != NULL)
{
// go out of loop if getchar() returns 'y'
break;
}
}
if (pDeviceFilter != NULL) {
//
// PLAY
//
// create FilterGraph
CoCreateInstance(CLSID_FilterGraph,
NULL,
CLSCTX_INPROC,
IID_IGraphBuilder,
(LPVOID *)&pGraphBuilder);
// create CaptureGraphBuilder2
CoCreateInstance(CLSID_CaptureGraphBuilder2, NULL, CLSCTX_INPROC,
IID_ICaptureGraphBuilder2,
(LPVOID *)&pCaptureGraphBuilder2);
//============================================================
//=========== MY CODE ======================================
//=============================================================
HRESULT hr = CoInitialize(0);
IAMStreamConfig *pConfig = NULL;
hr = pCaptureGraphBuilder2->FindInterface(&PIN_CATEGORY_CAPTURE, 0, pDeviceFilter, IID_IAMStreamConfig, (void**)&pConfig);
int iCount = 0, iSize = 0;
hr = pConfig->GetNumberOfCapabilities(&iCount, &iSize);
// Check the size to make sure we pass in the correct structure.
if (iSize == sizeof(VIDEO_STREAM_CONFIG_CAPS))
{
// Use the video capabilities structure.
for (int iFormat = 0; iFormat < iCount; iFormat++)
{
VIDEO_STREAM_CONFIG_CAPS scc;
AM_MEDIA_TYPE *pmtConfig;
hr = pConfig->GetStreamCaps(iFormat, &pmtConfig, (BYTE*)&scc);
if (SUCCEEDED(hr))
{
/* Examine the format, and possibly use it. */
if ((pmtConfig->majortype == MEDIATYPE_Video) &&
(pmtConfig->subtype == MEDIASUBTYPE_RGB24) &&
(pmtConfig->formattype == FORMAT_VideoInfo) &&
(pmtConfig->cbFormat >= sizeof (VIDEOINFOHEADER)) &&
(pmtConfig->pbFormat != NULL))
{
VIDEOINFOHEADER *pVih = (VIDEOINFOHEADER*)pmtConfig->pbFormat;
// pVih contains the detailed format information.
LONG lWidth = pVih->bmiHeader.biWidth;
LONG lHeight = pVih->bmiHeader.biHeight;
if( lWidth == 1280 )
// if (iFormat == 26)
{ //2 = '1280x720YUV' YUV, 22 = '1280x800YUV', 26 = '1280x720RGB'
hr = pConfig->SetFormat(pmtConfig);
}
}
// Delete the media type when you are done.
DeleteMediaType(pmtConfig);
}
}
}
// Query the capture filter for the IAMCameraControl interface.
IAMCameraControl *pCameraControl = 0;
hr = pDeviceFilter->QueryInterface(IID_IAMCameraControl, (void**)&pCameraControl);
if (FAILED(hr))
{
// The device does not support IAMCameraControl
}
else
{
long Min, Max, Step, Default, Flags, Val;
// Get the range and default values
hr = pCameraControl->GetRange(CameraControl_Exposure, &Min, &Max, &Step, &Default, &Flags);
hr = pCameraControl->GetRange(CameraControl_Focus, &Min, &Max, &Step, &Default, &Flags);
if (SUCCEEDED(hr))
{
hr = pCameraControl->Set(CameraControl_Exposure, -11, CameraControl_Flags_Manual ); // Min = -11, Max = 1, Step = 1
hr = pCameraControl->Set(CameraControl_Focus, 12, CameraControl_Flags_Manual );
}
}
// Query the capture filter for the IAMVideoProcAmp interface.
IAMVideoProcAmp *pProcAmp = 0;
hr = pDeviceFilter->QueryInterface(IID_IAMVideoProcAmp, (void**)&pProcAmp);
if (FAILED(hr))
{
// The device does not support IAMVideoProcAmp
}
else
{
long Min, Max, Step, Default, Flags, Val;
// Get the range and default values
hr = pProcAmp->GetRange(VideoProcAmp_Brightness, &Min, &Max, &Step, &Default, &Flags);
hr = pProcAmp->GetRange(VideoProcAmp_BacklightCompensation, &Min, &Max, &Step, &Default, &Flags);
hr = pProcAmp->GetRange(VideoProcAmp_Contrast, &Min, &Max, &Step, &Default, &Flags);
hr = pProcAmp->GetRange(VideoProcAmp_Saturation, &Min, &Max, &Step, &Default, &Flags);
hr = pProcAmp->GetRange(VideoProcAmp_Sharpness, &Min, &Max, &Step, &Default, &Flags);
hr = pProcAmp->GetRange(VideoProcAmp_WhiteBalance, &Min, &Max, &Step, &Default, &Flags);
if (SUCCEEDED(hr))
{
hr = pProcAmp->Set(VideoProcAmp_Brightness, 142, VideoProcAmp_Flags_Manual);
hr = pProcAmp->Set(VideoProcAmp_BacklightCompensation, 0, VideoProcAmp_Flags_Manual);
hr = pProcAmp->Set(VideoProcAmp_Contrast, 4, VideoProcAmp_Flags_Manual);
hr = pProcAmp->Set(VideoProcAmp_Saturation, 100, VideoProcAmp_Flags_Manual);
hr = pProcAmp->Set(VideoProcAmp_Sharpness, 0, VideoProcAmp_Flags_Manual);
hr = pProcAmp->Set(VideoProcAmp_WhiteBalance, 2800, VideoProcAmp_Flags_Manual);
}
}
//============================================================
//=========== END MY CODE ======================================
//=============================================================
hr = S_OK;
CTransformer* trans = new CTransformer( "Dif trans", 0, CLSID_DIFFilter, &hr );
IBaseFilter * ttt = 0;
trans->QueryInterface(IID_IBaseFilter, (LPVOID *)&ttt);
// set FilterGraph
hr = pCaptureGraphBuilder2->SetFiltergraph(pGraphBuilder);
// get MediaControl interface
hr = pGraphBuilder->QueryInterface(IID_IMediaControl,
(LPVOID *)&pMediaControl);
// add device filter to FilterGraph
hr = pGraphBuilder->AddFilter(ttt, L"Dif trans");
hr = pGraphBuilder->AddFilter(pDeviceFilter, L"Device Filter");
// create Graph
hr = pCaptureGraphBuilder2->RenderStream(&PIN_CATEGORY_CAPTURE,
NULL, pDeviceFilter, NULL, NULL);
// start playing
hr = pMediaControl->Run();
// to block execution
// without this messagebox, the graph will be stopped immediately
MessageBox(NULL,
"Block Execution",
"Block",
MB_OK);
// release
pMediaControl->Release();
pCaptureGraphBuilder2->Release();
pGraphBuilder->Release();
}
// release
pEnumMoniker->Release();
pCreateDevEnum->Release();
// finalize COM
CoUninitialize();
return 0;
}
// use cameraID 1 for first and so on
HRESULT VideoTexture::init(int cameraID)
{
if (cameraID <= 0) return S_FALSE;
glEnable(GL_TEXTURE_2D);
// Texture -> This will be put into the camera module
glGenTextures(1, textures); // Create The Texture
// Typical Texture Generation Using Data From The Bitmap
for (int i = 0; i < 1; i++)
{
//glActiveTexture(GL_TEXTURE0 + i);
glBindTexture(GL_TEXTURE_2D, textures[i]);
// Generate The Texture (640x480... make changeable!)
//glTexImage2D(GL_TEXTURE_2D, 0, 3, 640, 480, 0, GL_RGB, GL_UNSIGNED_BYTE, ...THe data111!!!);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_LINEAR); // Linear Filtering
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_LINEAR); // Linear Filtering
// Enable Texture Mapping
glTexImage2D(GL_TEXTURE_2D, 0, 3, TEXTURE_WIDTH, TEXTURE_HEIGHT, 0, GL_RGB, GL_UNSIGNED_BYTE, NULL);
}
// Video stuff:
// Create captue graph builder:
HRESULT hr = InitCaptureGraphBuilder(&pGraph, &pBuild);
if (FAILED(hr)) return hr;
IEnumMoniker *enumerator;
hr = EnumerateDevices(CLSID_VideoInputDeviceCategory, &enumerator);
//DisplayDeviceInformation(enumerator);
// Take the first camera:
IMoniker *pMoniker = NULL;
for (int i = 0; i < cameraID; i++)
{
enumerator->Next(1, &pMoniker, NULL);
}
IBaseFilter *pCap = NULL;
hr = pMoniker->BindToObject(0, 0, IID_IBaseFilter, (void**)&pCap);
if (SUCCEEDED(hr))
{
hr = pGraph->AddFilter(pCap, L"Capture Filter");
if (FAILED(hr)) return hr;
}
else return hr;
// Create the Sample Grabber which we will use
// To take each frame for texture generation
hr = CoCreateInstance(CLSID_SampleGrabber, NULL, CLSCTX_INPROC_SERVER,
IID_ISampleGrabber, (void **)&pGrabber);
if (FAILED(hr)) return hr;
hr = pGrabber->QueryInterface(IID_IBaseFilter, (void **)&pGrabberBase);
// We have to set the 24-bit RGB desire here
// So that the proper conversion filters
// Are added automatically.
AM_MEDIA_TYPE desiredType;
memset(&desiredType, 0, sizeof(desiredType));
desiredType.majortype = MEDIATYPE_Video;
desiredType.subtype = MEDIASUBTYPE_RGB24;
desiredType.formattype = FORMAT_VideoInfo;
pGrabber->SetMediaType(&desiredType);
pGrabber->SetBufferSamples(TRUE);
// add to Graph
pGraph->AddFilter(pGrabberBase, L"Grabber");
/* Null render filter */
hr = CoCreateInstance(CLSID_NullRenderer, NULL, CLSCTX_INPROC_SERVER, IID_IBaseFilter, (void**)&pNullRender);
if(FAILED(hr)) return hr;
pGraph->AddFilter(pNullRender, L"Render");
// Connect the graph
hr = ConnectFilters(pGraph, pCap, pGrabberBase);
if(FAILED(hr)) return hr;
hr = ConnectFilters(pGraph, pGrabberBase, pNullRender);
// Set output format of capture:
IAMStreamConfig *pConfig = NULL;
hr = pBuild->FindInterface(
&PIN_CATEGORY_CAPTURE, // Capture pin.
0, // Any media type.
pCap, // Pointer to the capture filter.
IID_IAMStreamConfig, (void**)&pConfig);
if (FAILED(hr)) return hr;
AM_MEDIA_TYPE *pmtConfig;
hr = pConfig->GetFormat(&pmtConfig);
if (FAILED(hr)) return hr;
// Try and find a good video format
int iCount = 0, iSize = 0;
hr = pConfig->GetNumberOfCapabilities(&iCount, &iSize);
// Check the size to make sure we pass in the correct structure.
if (iSize == sizeof(VIDEO_STREAM_CONFIG_CAPS))
{
// Use the video capabilities structure.
for (int iFormat = 0; iFormat < iCount; iFormat++)
{
VIDEO_STREAM_CONFIG_CAPS scc;
AM_MEDIA_TYPE *pmtConfig;
hr = pConfig->GetStreamCaps(iFormat, &pmtConfig, (BYTE*)&scc);
if (SUCCEEDED(hr))
{
VIDEOINFOHEADER *hdr = (VIDEOINFOHEADER *)pmtConfig->pbFormat;
if (hdr->bmiHeader.biWidth == CAM_WIDTH &&
hdr->bmiHeader.biHeight == CAM_HEIGHT &&
hdr->bmiHeader.biBitCount == 24)
{
pConfig->SetFormat(pmtConfig);
}
}
}
}
pConfig->Release();
// Set camera stuff
IAMCameraControl *pCamControl = NULL;
hr = pCap->QueryInterface(IID_IAMCameraControl, (void **)&pCamControl);
if (FAILED(hr)) return hr;
// Get the range and default value.
long Min, Max, Step, Default, Flags;
// For getting: long Val;
hr = pCamControl->GetRange(CameraControl_Focus, &Min, &Max, &Step, &Default, &Flags);
if (SUCCEEDED(hr)) pCamControl->Set(CameraControl_Focus, 0, CameraControl_Flags_Manual);
#if 0
hr = pCamControl->GetRange(CameraControl_Exposure, &Min, &Max, &Step, &Default, &Flags);
if (SUCCEEDED(hr)) pCamControl->Set(CameraControl_Exposure, -4, CameraControl_Flags_Manual);
#endif
pCamControl->Release();
IAMVideoProcAmp *pProcAmp = 0;
hr = pCap->QueryInterface(IID_IAMVideoProcAmp, (void**)&pProcAmp);
if (FAILED(hr)) return hr;
#if 0
hr = pProcAmp->GetRange(VideoProcAmp_Brightness, &Min, &Max, &Step, &Default, &Flags);
if (SUCCEEDED(hr)) pProcAmp->Set(VideoProcAmp_Brightness, 30, VideoProcAmp_Flags_Manual);
hr = pProcAmp->GetRange(VideoProcAmp_Gain, &Min, &Max, &Step, &Default, &Flags);
if (SUCCEEDED(hr)) pProcAmp->Set(VideoProcAmp_Gain, 30, VideoProcAmp_Flags_Manual);
hr = pProcAmp->GetRange(VideoProcAmp_WhiteBalance, &Min, &Max, &Step, &Default, &Flags);
if (SUCCEEDED(hr)) pProcAmp->Set(VideoProcAmp_WhiteBalance, 4500, VideoProcAmp_Flags_Manual);
hr = pProcAmp->GetRange(VideoProcAmp_Saturation, &Min, &Max, &Step, &Default, &Flags);
if (SUCCEEDED(hr)) pProcAmp->Set(VideoProcAmp_Saturation, 100, VideoProcAmp_Flags_Manual);
hr = pProcAmp->GetRange(VideoProcAmp_Contrast, &Min, &Max, &Step, &Default, &Flags);
if (SUCCEEDED(hr)) pProcAmp->Set(VideoProcAmp_Contrast, 6, VideoProcAmp_Flags_Manual);
#endif
pProcAmp->Release();
hr = pMediaControl->Run();
return hr;
}
HRESULT CaptureVideo()
{
HRESULT hr;
IBaseFilter *pSrcFilter=NULL;
// Get DirectShow interfaces
hr = GetInterfaces();
if (FAILED(hr))
{
Msg(TEXT("Failed to get video interfaces! hr=0x%x"), hr);
return hr;
}
// Attach the filter graph to the capture graph
hr = g_pCapture->SetFiltergraph(g_pGraph);
if (FAILED(hr))
{
Msg(TEXT("Failed to set capture filter graph! hr=0x%x"), hr);
return hr;
}
// Use the system device enumerator and class enumerator to find
// a video capture/preview device, such as a desktop USB video camera.
hr = FindCaptureDevice(&pSrcFilter);
if (FAILED(hr))
{
// Don't display a message because FindCaptureDevice will handle it
return hr;
}
// Add Capture filter to our graph.
hr = g_pGraph->AddFilter(pSrcFilter, L"Video Capture");
if (FAILED(hr))
{
Msg(TEXT("Couldn't add the capture filter to the graph! hr=0x%x\r\n\r\n")
TEXT("If you have a working video capture device, please make sure\r\n")
TEXT("that it is connected and is not being used by another application.\r\n\r\n")
TEXT("The sample will now close."), hr);
pSrcFilter->Release();
return hr;
}
// Copied code
//========================================
IAMStreamConfig *pSC;
hr = g_pCapture->FindInterface(&PIN_CATEGORY_PREVIEW,
&MEDIATYPE_Interleaved,
pSrcFilter, IID_IAMStreamConfig, (void **)&pSC);
if(FAILED(hr))
hr = g_pCapture->FindInterface(&PIN_CATEGORY_PREVIEW,
&MEDIATYPE_Video, pSrcFilter,
IID_IAMStreamConfig, (void **)&pSC);
if (!pSC) {
return hr;
}
int iCount = 0, iSize = 0;
hr = pSC->GetNumberOfCapabilities(&iCount, &iSize);
// Check the size to make sure we pass in the correct structure.
if (iSize == sizeof(VIDEO_STREAM_CONFIG_CAPS))
{
// Use the video capabilities structure.
int i = 0;
for (int iFormat = 0; iFormat < iCount; iFormat++)
{
VIDEO_STREAM_CONFIG_CAPS scc;
AM_MEDIA_TYPE *pmtConfig;
hr = pSC->GetFormat(&pmtConfig);
VIDEOINFOHEADER *pvi = (VIDEOINFOHEADER *)pmtConfig->pbFormat;
double fps = 30;
pvi->AvgTimePerFrame = (LONGLONG)(10000000/fps);
pvi->bmiHeader.biSizeImage = DIBSIZE(pvi->bmiHeader);
pvi->bmiHeader.biWidth = 1920;
pvi->bmiHeader.biHeight = 1080;
hr = pSC->SetFormat(pmtConfig);
//hr = pSC->GetStreamCaps(iFormat, &pmtConfig, (BYTE*)&scc);
//if (SUCCEEDED(hr))
//{
// /* Examine the format, and possibly use it. */
// if (pmtConfig->formattype == FORMAT_VideoInfo) {
// long width = HEADER(pmtConfig->pbFormat)->biWidth;
// long height = HEADER(pmtConfig->pbFormat)->biHeight;
//
// if (width == 1920 && height == 1080) {
// VIDEOINFOHEADER *info = (VIDEOINFOHEADER *)pmtConfig->pbFormat;
// if (i == 0) {
// pSC->SetFormat(pmtConfig);
// DeleteMediaType(pmtConfig);
// break;
// }
// i++;
// }
// }
// // Delete the media type when you are done.
// DeleteMediaType(pmtConfig);
//}
}
}
if(SUCCEEDED(hr)) {
pSC->Release();
}
//========================================
// Render the preview pin on the video capture filter
// Use this instead of g_pGraph->RenderFile
hr = g_pCapture->RenderStream (&PIN_CATEGORY_PREVIEW, &MEDIATYPE_Video,
pSrcFilter, NULL, NULL);
if (FAILED(hr))
{
Msg(TEXT("Couldn't render the video capture stream. hr=0x%x\r\n")
TEXT("The capture device may already be in use by another application.\r\n\r\n")
TEXT("The sample will now close."), hr);
pSrcFilter->Release();
return hr;
}
// Now that the filter has been added to the graph and we have
// rendered its stream, we can release this reference to the filter.
pSrcFilter->Release();
// Set video window style and position
hr = SetupVideoWindow();
if (FAILED(hr))
{
Msg(TEXT("Couldn't initialize video window! hr=0x%x"), hr);
return hr;
}
#ifdef REGISTER_FILTERGRAPH
// Add our graph to the running object table, which will allow
// the GraphEdit application to "spy" on our graph
hr = AddGraphToRot(g_pGraph, &g_dwGraphRegister);
if (FAILED(hr))
{
Msg(TEXT("Failed to register filter graph with ROT! hr=0x%x"), hr);
g_dwGraphRegister = 0;
}
#endif
// Start previewing video data
hr = g_pMC->Run();
if (FAILED(hr))
{
Msg(TEXT("Couldn't run the graph! hr=0x%x"), hr);
return hr;
}
// Remember current state
g_psCurrent = Running;
return S_OK;
}
std::vector<CameraConfig> videoInputCamera::getCameraConfigs(int dev_id) {
std::vector<CameraConfig> cfg_list;
int count = getDeviceCount();
if (count==0) return cfg_list;
comInit();
HRESULT hr;
ICaptureGraphBuilder2 *lpCaptureGraphBuilder;
IGraphBuilder *lpGraphBuilder;
IBaseFilter *lpInputFilter;
IAMStreamConfig *lpStreamConfig;
char nDeviceName[255];
WCHAR wDeviceName[255];
for (int cam_id=0;cam_id<count;cam_id++) {
if ((dev_id>=0) && (dev_id!=cam_id)) continue;
hr = CoCreateInstance(CLSID_CaptureGraphBuilder2, NULL, CLSCTX_INPROC_SERVER, IID_ICaptureGraphBuilder2, (void **)&lpCaptureGraphBuilder);
if (FAILED(hr)) // FAILED is a macro that tests the return value
{
printf("ERROR - Could not create the Filter Graph Manager\n");
comUnInit();
return cfg_list;
}
// Create the Filter Graph Manager.
hr = CoCreateInstance(CLSID_FilterGraph, 0, CLSCTX_INPROC_SERVER,IID_IGraphBuilder, (void**)&lpGraphBuilder);
if (FAILED(hr))
{
printf("ERROR - Could not add the graph builder!\n");
lpCaptureGraphBuilder->Release();
comUnInit();
return cfg_list;
}
hr = lpCaptureGraphBuilder->SetFiltergraph(lpGraphBuilder);
if (FAILED(hr))
{
printf("ERROR - Could not set filtergraph\n");
lpGraphBuilder->Release();
lpCaptureGraphBuilder->Release();
comUnInit();
return cfg_list;
}
memset(wDeviceName, 0, sizeof(WCHAR) * 255);
memset(nDeviceName, 0, sizeof(char) * 255);
hr = getDevice(&lpInputFilter, cam_id, wDeviceName, nDeviceName);
if (SUCCEEDED(hr)){
hr = lpGraphBuilder->AddFilter(lpInputFilter, wDeviceName);
}else{
printf("ERROR - Could not find specified video device\n");
lpGraphBuilder->Release();
lpCaptureGraphBuilder->Release();
comUnInit();
return cfg_list;
}
hr = lpCaptureGraphBuilder->FindInterface(&PIN_CATEGORY_CAPTURE, &MEDIATYPE_Video, lpInputFilter, IID_IAMStreamConfig, (void **)&lpStreamConfig);
if(FAILED(hr)){
printf("ERROR: Couldn't config the stream!\n");
lpInputFilter->Release();
lpGraphBuilder->Release();
lpCaptureGraphBuilder->Release();
comUnInit();
return cfg_list;
}
CameraConfig cam_cfg;
CameraTool::initCameraConfig(&cam_cfg);
cam_cfg.driver = DRIVER_DEFAULT;
cam_cfg.device = cam_id;
sprintf(cam_cfg.name, "%s", nDeviceName);
int iCount = 0;
int iSize = 0;
hr = lpStreamConfig->GetNumberOfCapabilities(&iCount, &iSize);
std::vector<CameraConfig> fmt_list;
if (iSize == sizeof(VIDEO_STREAM_CONFIG_CAPS))
{
GUID lastFormat = MEDIASUBTYPE_None;
for (int iFormat = 0; iFormat < iCount; iFormat+=2)
{
VIDEO_STREAM_CONFIG_CAPS scc;
AM_MEDIA_TYPE *pmtConfig;
hr = lpStreamConfig->GetStreamCaps(iFormat, &pmtConfig, (BYTE*)&scc);
if (SUCCEEDED(hr)){
if ( pmtConfig->subtype != lastFormat) {
if (fmt_list.size()>0) {
std::sort(fmt_list.begin(), fmt_list.end());
cfg_list.insert( cfg_list.end(), fmt_list.begin(), fmt_list.end() );
fmt_list.clear();
}
cam_cfg.cam_format = getMediaSubtype(pmtConfig->subtype);
lastFormat = pmtConfig->subtype;
}
int stepX = scc.OutputGranularityX;
int stepY = scc.OutputGranularityY;
if(stepX < 1 || stepY < 1) continue;
else if ((stepX==1) && (stepY==1)) {
cam_cfg.cam_width = scc.InputSize.cx;
cam_cfg.cam_height = scc.InputSize.cy;
int maxFrameInterval = scc.MaxFrameInterval;
if (maxFrameInterval==0) maxFrameInterval = 10000000;
float last_fps=-1;
VIDEOINFOHEADER *pVih = (VIDEOINFOHEADER*)pmtConfig->pbFormat;
for (int iv=scc.MinFrameInterval;iv<=maxFrameInterval;iv=iv*2) {
pVih->AvgTimePerFrame = iv;
hr = lpStreamConfig->SetFormat(pmtConfig);
if (hr==S_OK) { hr = lpStreamConfig->GetFormat(&pmtConfig);
float fps = ((int)floor(100000000.0f/(float)pVih->AvgTimePerFrame + 0.5f))/10.0f;
if (fps!=last_fps) {
cam_cfg.cam_fps = fps;
fmt_list.push_back(cam_cfg);
last_fps=fps;
} }
}
} else {
int x,y;
for (x=scc.MinOutputSize.cx,y=scc.MinOutputSize.cy;x<=scc.MaxOutputSize.cx,y<=scc.MaxOutputSize.cy;x+=stepX,y+=stepY) {
cam_cfg.cam_width = x;
cam_cfg.cam_height = y;
int maxFrameInterval = scc.MaxFrameInterval;
if (maxFrameInterval==0) maxFrameInterval = 10000000;
float last_fps=-1;
VIDEOINFOHEADER *pVih = (VIDEOINFOHEADER*)pmtConfig->pbFormat;
for (int iv=scc.MinFrameInterval;iv<=maxFrameInterval;iv=iv*2) {
pVih->AvgTimePerFrame = iv;
hr = lpStreamConfig->SetFormat(pmtConfig);
if (hr==S_OK) { hr = lpStreamConfig->GetFormat(&pmtConfig);
float fps = ((int)floor(100000000.0f/(float)pVih->AvgTimePerFrame + 0.5f))/10.0f;
if (fps!=last_fps) {
cam_cfg.cam_fps = fps;
fmt_list.push_back(cam_cfg);
last_fps=fps;
} }
}
}
}
deleteMediaType(pmtConfig);
}
}
}
if (fmt_list.size()>0) {
std::sort(fmt_list.begin(), fmt_list.end());
cfg_list.insert( cfg_list.end(), fmt_list.begin(), fmt_list.end() );
fmt_list.clear();
}
lpStreamConfig->Release();
lpInputFilter->Release();
lpGraphBuilder->Release();
lpCaptureGraphBuilder->Release();
}
comUnInit();
return cfg_list;
}
