static string
try_size P4C(const_string, fontname, unsigned, dpi,
kpse_file_format_type, format,
kpse_glyph_file_type *, glyph_file)
{
kpse_file_format_type format_found;
string ret;
boolean try_gf = format == kpse_gf_format || format == kpse_any_glyph_format;
boolean try_pk = format == kpse_pk_format || format == kpse_any_glyph_format;
xputenv_int ("KPATHSEA_DPI", dpi);
/* Look for PK first (since it's more likely to be found), then GF. */
ret = try_pk ? try_format (fontname, dpi, kpse_pk_format) : NULL;
if (ret != NULL)
format_found = kpse_pk_format;
else
{
if (try_gf)
{
ret = try_format (fontname, dpi, kpse_gf_format);
format_found = kpse_gf_format;
}
}
if (ret != NULL && glyph_file)
{ /* Success. Fill in the return info. Discard const. */
glyph_file->name = (string) fontname;
glyph_file->dpi = dpi;
glyph_file->format = format_found;
}
return ret;
}
static int _vfw_engine_select_format(VfwEngine *obj){
BITMAPINFO videoformat;
MSPixFmt driver_last;
char compname[5];
capGetVideoFormat(obj->capvideo, &videoformat, sizeof(BITMAPINFO));
memcpy(compname,&videoformat.bmiHeader.biCompression,4);
compname[4]='\0';
ms_message("vfw: camera's current format is '%s' at %ix%i", compname,
videoformat.bmiHeader.biWidth,videoformat.bmiHeader.biHeight);
driver_last=ms_fourcc_to_pix_fmt(videoformat.bmiHeader.biCompression);
if (driver_last!=MS_PIX_FMT_UNKNOWN && try_format(obj,&videoformat,driver_last)){
ms_message("Using driver last setting");
obj->pix_fmt=driver_last;
}else if (try_format(obj,&videoformat,MS_YUV420P)){
obj->pix_fmt=MS_YUV420P;
ms_message("Using YUV420P");
}else if (try_format(obj,&videoformat,MS_RGB24)){
obj->pix_fmt=MS_RGB24;
ms_message("Using RGB24");
}else if (try_format(obj,&videoformat,MS_YUY2)){
obj->pix_fmt=MS_YUY2;
ms_message("Using YUY2");
}else{
ms_error("v4w: Failed to set any video format.");
return -1;
}
if (obj->pix_fmt==MS_RGB24){
if (videoformat.bmiHeader.biHeight>0){
obj->pix_fmt=MS_RGB24_REV;
}
}
return 0;
}
static string
try_size P4C(const_string, font_name,
unsigned, dpi,
string *, glyph_paths,
kpse_font_file_type *, font_file)
{
kpse_file_format_type format_found;
string ret;
string gf_path = glyph_paths[kpse_gf_format];
string pk_path = glyph_paths[kpse_pk_format];
xputenv_int ("KPATHSEA_DPI", dpi);
/* Look for PK first (since it's more likely to be found), then GF. */
ret = pk_path ? try_format (font_name, dpi, pk_path, "pk") : NULL;
if (ret != NULL)
format_found = kpse_pk_format;
else
{
if (gf_path)
{
ret = try_format (font_name, dpi, gf_path, "gf");
format_found = kpse_gf_format;
}
}
if (ret != NULL && font_file)
{ /* Success. Fill in the return info. Discard const. */
font_file->name = (string) font_name;
font_file->dpi = dpi;
font_file->format = format_found;
}
return ret;
}
static int try_mix_format(struct wasapi_state *state,
struct ao *const ao)
{
WAVEFORMATEX *deviceFormat = NULL;
WAVEFORMATEX *closestMatch = NULL;
int ret = 0;
HRESULT hr = IAudioClient_GetMixFormat(state->pAudioClient, &deviceFormat);
EXIT_ON_ERROR(hr);
union WAVEFMT u;
u.ex = deviceFormat;
WAVEFORMATEXTENSIBLE wformat = *u.extensible;
ret = try_format(state, ao, wformat.Format.wBitsPerSample,
wformat.Format.nSamplesPerSec, ao->channels);
if (ret)
state->format = wformat;
exit_label:
SAFE_RELEASE(deviceFormat, CoTaskMemFree(deviceFormat));
SAFE_RELEASE(closestMatch, CoTaskMemFree(closestMatch));
return ret;
}
static int _v4w_start(V4wState *s, void *arg)
{
MSVideoSize try_vsize;
int tryformat;
int i;
s->frame_count=-1;
if (s->pix_fmt==MS_YUV420P)
tryformat = MS_RGB24;
else if (s->pix_fmt==MS_RGB24)
tryformat = MS_YUV420P;
try_vsize.height = s->vsize.height;
try_vsize.width = s->vsize.width;
i = try_format(s, s->pix_fmt, &try_vsize);
if (i==-14)
{
/* try second format with same size */
i = try_format(s, tryformat, &try_vsize);
}
/* try both format with CIF size */
if (i==-14 && s->vsize.height!=MS_VIDEO_SIZE_CIF_H)
{
try_vsize.height = MS_VIDEO_SIZE_CIF_H;
try_vsize.width = MS_VIDEO_SIZE_CIF_W;
i = try_format(s, s->pix_fmt, &try_vsize);
if (i==-14)
{
i = try_format(s, tryformat, &try_vsize);
}
}
if (i==-14 && s->vsize.height!=MS_VIDEO_SIZE_QCIF_H)
{
try_vsize.height = MS_VIDEO_SIZE_QCIF_H;
try_vsize.width = MS_VIDEO_SIZE_QCIF_W;
i = try_format(s, s->pix_fmt, &try_vsize);
if (i==-14)
{
i = try_format(s, tryformat, &try_vsize);
}
}
if (i==-14 && s->vsize.height!=MS_VIDEO_SIZE_VGA_H)
{
try_vsize.height = MS_VIDEO_SIZE_VGA_H;
try_vsize.width = MS_VIDEO_SIZE_VGA_W;
i = try_format(s, s->pix_fmt, &try_vsize);
if (i==-14)
{
i = try_format(s, tryformat, &try_vsize);
}
}
if (i==-14 && s->vsize.height!=MS_VIDEO_SIZE_QVGA_H)
{
try_vsize.height = MS_VIDEO_SIZE_QVGA_H;
try_vsize.width = MS_VIDEO_SIZE_QVGA_W;
i = try_format(s, s->pix_fmt, &try_vsize);
if (i==-14)
{
i = try_format(s, tryformat, &try_vsize);
}
}
if (i==0)
{
if (s->pix_fmt==MS_YUV420P)
ms_message("Using YUV420P");
else if (s->pix_fmt==MS_RGB24)
ms_message("Using RGB24");
}
if (s->rotregvalue==0){
//RemoveGraphFromRot(s->rotregvalue);
if (s->m_pNullRenderer!=NULL)
s->m_pGraph->RemoveFilter(s->m_pNullRenderer);
if (s->m_pIDXFilter!=NULL)
s->m_pGraph->RemoveFilter(s->m_pIDXFilter);
if (s->m_pDeviceFilter!=NULL)
s->m_pGraph->RemoveFilter(s->m_pDeviceFilter);
s->m_pBuilder=NULL;
s->m_pControl=NULL;
s->m_pIDXFilter=NULL;
if (s->m_pDXFilter!=NULL)
s->m_pDXFilter->Release();
s->m_pDXFilter=NULL;
s->m_pGraph=NULL;
s->m_pNullRenderer=NULL;
s->m_pDeviceFilter=NULL;
CoUninitialize();
s_callback = NULL;
flushq(&s->rq,0);
ms_message("v4w: graph not started (err=%i)", i);
s->rotregvalue=0;
}
return i;
}
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 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;
}
static int v4l_configure(V4lState *s)
{
struct video_channel chan;
struct video_picture pict;
struct video_capability cap;
int err;
int i;
int fps = 0;
int found=0;
memset(&chan,0,sizeof(chan));
memset(&pict,0,sizeof(pict));
memset(&cap,0,sizeof(cap));
err=ioctl(s->fd,VIDIOCGCAP,&cap);
if (err!=0)
{
ms_warning("MSV4l: cannot get device capabilities: %s.",strerror(errno));
return -1;
}
ms_message("Found %s device. (maxsize=%ix%i, minsize=%ix%i)",cap.name, cap.maxwidth, cap.maxheight,
cap.minwidth, cap.minheight);
for (i=0;i<cap.channels;i++)
{
chan.channel=i;
err=ioctl(s->fd,VIDIOCGCHAN,&chan);
if (err==0)
{
ms_message("Getting video channel %s",chan.name);
switch(chan.type){
case VIDEO_TYPE_TV:
ms_message("Channel is a TV.");
break;
case VIDEO_TYPE_CAMERA:
ms_message("Channel is a camera");
break;
default:
ms_warning("unknown video channel type.");
}
found=1;
break; /* find the first channel */
}
}
if (found) ms_message("A valid video channel was found.");
/* select this channel */
ioctl(s->fd,VIDIOCSCHAN,&chan);
/* get picture properties */
err=ioctl(s->fd,VIDIOCGPICT,&pict);
if (err<0){
ms_warning("Could not get picture properties: %s",strerror(errno));
return -1;
}
ms_message("Default picture properties: brightness=%i,hue=%i,colour=%i,contrast=%i,depth=%i, palette=%i.",
pict.brightness,pict.hue,pict.colour, pict.contrast,pict.depth, pict.palette);
/* trying color format */
if (try_format(s->fd,&pict,VIDEO_PALETTE_YUV420P,16)){
ms_message("Driver supports YUV420P, using that format.");
s->pix_fmt=MS_YUV420P;
}else if (try_format(s->fd, &pict,VIDEO_PALETTE_RGB24,24)){
ms_message("Driver supports RGB24, using that format.");
s->pix_fmt=MS_RGB24;
}else if (try_format(s->fd, &pict,VIDEO_PALETTE_YUV422, 16)){
ms_message("Driver supports YUV422, using that format.");
s->pix_fmt=MS_YUYV;
}else if (try_format(s->fd, &pict,VIDEO_PALETTE_UYVY, 16)){
ms_message("Driver supports UYVY, using that format.");
s->pix_fmt=MS_UYVY;
}else{
s->vsize.width=MS_VIDEO_SIZE_CIF_W;
s->vsize.height=MS_VIDEO_SIZE_CIF_H;
s->pix_fmt=MS_YUV420P;
ms_fatal("Unsupported video pixel format.");
return -1;
}
if (!try_size(s,s->vsize)) {
if (!try_size(s,MS_VIDEO_SIZE_NS1)){
if (!try_size(s,MS_VIDEO_SIZE_VGA)){
if (!try_size(s,MS_VIDEO_SIZE_CIF)) {
if (!try_size(s,MS_VIDEO_SIZE_QCIF)) {
if (!try_size(s,MS_VIDEO_SIZE_QVGA)) {
if (!try_size(s,MS_VIDEO_SIZE_4CIF)) {
if (!try_size(s,MS_VIDEO_SIZE_1024)) {
return -1;
}
}
}
}
}
}
}
}
/* Try HW frame rate control */
fps = s->fps;
if (ioctl(s->fd, VIDIOSFPS, &fps) < 0 )
ms_message("v4l_configure: cannot set HW frame rate control");
else
ms_message("v4l_configure: set HW fps to be : %d", fps);
return 0;
}
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();
}
static int v4w_open_videodevice(V4wState *s)
{
// Initialize COM
CoInitialize(NULL);
// get a Graph
HRESULT hr=s->m_pGraph.CoCreateInstance(CLSID_FilterGraph);
if(FAILED(hr))
{
return -1;
}
// get a CaptureGraphBuilder2
hr=s->m_pBuilder.CoCreateInstance(CLSID_CaptureGraphBuilder2);
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;
}
#ifdef _DEBUG
HANDLE m_hLogFile=CreateFile(L"DShowGraphLog.txt",GENERIC_READ|GENERIC_WRITE,FILE_SHARE_READ,NULL,OPEN_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
if(m_hLogFile!=INVALID_HANDLE_VALUE)
{
hr=s->m_pGraph->SetLogFile((DWORD_PTR)m_hLogFile);
/* ASSERT(SUCCEEDED(hr)); */
}
//AddGraphToRot(s->m_pGraph, &s->rotregvalue);
#endif
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) )
{
if (pos>=s->devidx)
break;
pos++;
pMoniker->Release();
pMoniker=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();
if (try_format(s, s->pix_fmt)==0)
s->pix_fmt = s->pix_fmt;
else if (try_format(s,MS_YUV420P)==0)
s->pix_fmt = MS_YUV420P;
else if (try_format(s,MS_YUY2)==0)
s->pix_fmt = MS_YUY2;
else if (try_format(s,MS_YUYV)==0)
s->pix_fmt = MS_YUYV;
else if (try_format(s,MS_UYVY)==0)
s->pix_fmt = MS_UYVY;
else if (try_format(s,MS_RGB24)==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 (UYVY), 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)==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)==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)==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)==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_VGA_W, MS_VIDEO_SIZE_VGA_H)==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_QVGA_W, MS_VIDEO_SIZE_QVGA_H)==0)
ms_message("Selected Size: %ix%i.", MS_VIDEO_SIZE_QVGA_W, MS_VIDEO_SIZE_QVGA_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=s->m_pNullRenderer.CoCreateInstance(CLSID_NullRenderer);
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(&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 -17;
}
}
//m_pDXFilter->SetBufferSamples(TRUE);
s_callback = s;
hr = s->m_pControl->Run();
if(FAILED(hr))
{
return -18;
}
s->rotregvalue=1;
return 0;
}
