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;
}
HRESULT
recChannel_t::set_rate(float FR)
{
__CONTEXT("recChannel_t::set_rate");
if (FR<1)
{
return S_OK;
}
float factorRate = FR/30;
int hr = 0;
if (factorRate<0.1) factorRate = 0.1;
frameRate = factorRate;
IAMStreamConfig *pConfig = NULL;
if ((camInfo->getKind() == SHARED ||
camInfo->getKind() == CAM) &&
actualFormat.pbFormat != NULL)
{
VIDEOINFOHEADER *pVih = (VIDEOINFOHEADER*) actualFormat.pbFormat;
double newFR = 10000000.0/FR;
pVih->AvgTimePerFrame = newFR;
camInfo->setRate(pVih->AvgTimePerFrame);
if (camInfo->getKind() == CAM)
{
IPin * pInput = NULL;
get_camInfo()->output->ConnectedTo(&pInput);
if (mapping)
{
pControl->Stop();
}
if (pInput)
{
get_camInfo()->output->Disconnect();
pInput->Disconnect();
}
hr = get_camInfo()->output->QueryInterface(IID_IAMStreamConfig, (void**)&pConfig);
if (pConfig)
{
int hr = pConfig->SetFormat(&actualFormat);
errorCheck(hr);
pConfig->Release();
}
if (pInput)
{
hr = pGraph->Connect(get_camInfo()->output,pInput);
errorCheck(hr);
}
errorCheck(hr);
if (mapping)
{
pControl->Run();
}
}
}
return hr;
}
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;
}
}
void CCaptureDevice::SetCaptureBufferSize(void)
{
IPin * pCapturePin = GetPin();
if (pCapturePin)
{
DWORD dwBytesPerSec = 0;
AM_MEDIA_TYPE * pmt = {0};
IAMStreamConfig * pCfg = NULL;
HRESULT hr = pCapturePin->QueryInterface(IID_IAMStreamConfig, (void **)&pCfg);
if ( hr==S_OK )
{
hr = pCfg->GetFormat(&pmt);
if ( hr==S_OK )
{
WAVEFORMATEX *pWF = (WAVEFORMATEX *) pmt->pbFormat;
dwBytesPerSec = pWF->nAvgBytesPerSec;
pWF->nChannels = 1;
pWF->wBitsPerSample = 8;
pWF->nSamplesPerSec = 11025;
pWF->nAvgBytesPerSec = pWF->nSamplesPerSec * pWF->nChannels * pWF->wBitsPerSample / 8;
pWF->nBlockAlign = 1;
/*
info.cbSize = sizeof(WAVEFORMATEX);
info.wFormatTag = 1;
info.nChannels = 2;
info.nSamplesPerSec = 44100;
//info.nSamplesPerSec = 22050;
11025
info.wBitsPerSample = 16;
info.nAvgBytesPerSec = info.nSamplesPerSec * info.nChannels * info.wBitsPerSample / 8;
info.nBlockAlign = 4;
*/
pCfg->SetFormat( pmt );
DeleteMediaType(pmt);
}
pCfg->Release();
}
/* if (dwBytesPerSec)
{
IAMBufferNegotiation * pNeg = NULL;
hr = pCapturePin->QueryInterface(IID_IAMBufferNegotiation,
(void **)&pNeg);
if (SUCCEEDED(hr))
{
ALLOCATOR_PROPERTIES AllocProp;
AllocProp.cbAlign = -1; // -1 means no preference.
AllocProp.cbBuffer = dwBytesPerSec * dwLatencyInMilliseconds / 1000;
AllocProp.cbPrefix = -1;
AllocProp.cBuffers = -1;
hr = pNeg->SuggestAllocatorProperties(&AllocProp);
pNeg->Release();
}
}*/
}
}
IAMStreamConfig * CCaptureDevice::GetStreamConfig(void)
{
IAMStreamConfig * pConfig = NULL;
if (m_pBaseFilter)
{
// Get the capture output pin first
IPin * pCapture = GetPin();
if (pCapture)
{
pCapture->QueryInterface(IID_IAMStreamConfig, (void **)&pConfig);
}
if (pConfig)
{
pConfig->Release();
}
}
return pConfig;
}
/// 设置音频信息
BOOL CAudioCapture::SetAudioFormat(ENUM_FREQUENCY_TYPE enFrequency,
ENUM_CHANNEL_TYPE enChannel, ENUM_SAMPLE_TYPE enSample)
{
if(NULL != m_pCaptureFilter)
{
BOOL bResult = FALSE;
do
{
IPin* pOutPin = GetOutputPin(m_pCaptureFilter, (uint16_t)0);
if(NULL != pOutPin)
{
IAMBufferNegotiation *pNeg = NULL;
IAMStreamConfig *pCfg = NULL;
// Get buffer negotiation interface
HRESULT hr = pOutPin->QueryInterface(IID_IAMBufferNegotiation, (void **)&pNeg);
if (FAILED(hr))
{
pOutPin->Release();
break;
}
// Find number of bytes in one second
long lBytesPerSecond = (long) (enSample * enFrequency * enChannel);
// 针对FAAC编码器 做出的调整
long lBufferSize = 1024 * enSample * enChannel;
// Set the buffer size based on selected settings
ALLOCATOR_PROPERTIES prop={0};
prop.cbBuffer = lBufferSize;
prop.cBuffers = 6;
prop.cbAlign = enSample * enChannel;
hr = pNeg->SuggestAllocatorProperties(&prop);
pNeg->Release();
// Now set the actual format of the audio data
hr = pOutPin->QueryInterface(IID_IAMStreamConfig, (void **)&pCfg);
if (FAILED(hr))
{
pOutPin->Release();
break;
}
// Read current media type/format
AM_MEDIA_TYPE *pmt={0};
hr = pCfg->GetFormat(&pmt);
if (SUCCEEDED(hr))
{
// Fill in values for the new format
WAVEFORMATEX *pWF = (WAVEFORMATEX *) pmt->pbFormat;
pWF->nChannels = (WORD) enChannel;
pWF->nSamplesPerSec = enFrequency;
pWF->nAvgBytesPerSec = lBytesPerSecond;
pWF->wBitsPerSample = (WORD) (enSample * 8);
pWF->nBlockAlign = (WORD) (enSample * enChannel);
// Set the new formattype for the output pin
hr = pCfg->SetFormat(pmt);
UtilDeleteMediaType(pmt);
}
// Release interfaces
pCfg->Release();
pOutPin->Release();
bResult = TRUE;
}
}while(FALSE);
return bResult;
}
else
{
m_enFrequency = enFrequency;
m_enChannel = enChannel;
m_enSample = enSample;
return TRUE;
}
}
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 CaptureDShow::init()
{
// Create the pipeline.
if (FAILED(CoCreateInstance(CLSID_FilterGraph,
NULL,
CLSCTX_INPROC_SERVER,
IID_IGraphBuilder,
reinterpret_cast<void **>(&this->m_graph))))
return false;
// Create the webcam filter.
IBaseFilter *webcamFilter = this->findFilterP(this->m_device);
if (!webcamFilter) {
this->m_graph->Release();
this->m_graph = NULL;
return false;
}
if (FAILED(this->m_graph->AddFilter(webcamFilter, SOURCE_FILTER_NAME))) {
this->m_graph->Release();
this->m_graph = NULL;
return false;
}
// Create the Sample Grabber filter.
IBaseFilter *grabberFilter = NULL;
if (FAILED(CoCreateInstance(CLSID_SampleGrabber,
NULL,
CLSCTX_INPROC_SERVER,
IID_IBaseFilter,
reinterpret_cast<void **>(&grabberFilter)))) {
this->m_graph->Release();
this->m_graph = NULL;
return false;
}
if (FAILED(this->m_graph->AddFilter(grabberFilter, L"Grabber"))) {
this->m_graph->Release();
this->m_graph = NULL;
return false;
}
ISampleGrabber *grabberPtr = NULL;
if (FAILED(grabberFilter->QueryInterface(IID_ISampleGrabber,
reinterpret_cast<void **>(&grabberPtr)))) {
this->m_graph->Release();
this->m_graph = NULL;
return false;
}
if (FAILED(grabberPtr->SetOneShot(FALSE))) {
this->m_graph->Release();
this->m_graph = NULL;
return false;
}
HRESULT hr = grabberPtr->SetBufferSamples(TRUE);
if (FAILED(hr)) {
this->m_graph->Release();
this->m_graph = NULL;
return false;
}
if (this->m_ioMethod != IoMethodDirectRead) {
int type = this->m_ioMethod == IoMethodGrabSample? 0: 1;
hr = grabberPtr->SetCallback(&this->m_frameGrabber, type);
}
this->m_grabber = SampleGrabberPtr(grabberPtr, this->deleteUnknown);
if (!this->connectFilters(this->m_graph, webcamFilter, grabberFilter)) {
this->m_graph->Release();
this->m_graph = NULL;
return false;
}
// Create null filter.
IBaseFilter *nullFilter = NULL;
if (FAILED(CoCreateInstance(CLSID_NullRenderer,
NULL,
CLSCTX_INPROC_SERVER,
IID_IBaseFilter,
reinterpret_cast<void **>(&nullFilter)))) {
this->m_graph->Release();
this->m_graph = NULL;
return false;
}
if (FAILED(this->m_graph->AddFilter(nullFilter, L"NullFilter"))) {
this->m_graph->Release();
this->m_graph = NULL;
return false;
}
if (!this->connectFilters(this->m_graph, grabberFilter, nullFilter)) {
this->m_graph->Release();
this->m_graph = NULL;
return false;
}
// Set capture format
QList<int> streams = this->streams();
if (streams.isEmpty()) {
this->m_graph->Release();
this->m_graph = NULL;
return false;
}
MediaTypesList mediaTypes = this->listMediaTypes(webcamFilter);
if (mediaTypes.isEmpty()) {
this->m_graph->Release();
this->m_graph = NULL;
return false;
}
MediaTypePtr mediaType = streams[0] < mediaTypes.size()?
mediaTypes[streams[0]]:
mediaTypes.first();
if (FAILED(grabberPtr->SetMediaType(mediaType.data()))) {
this->m_graph->Release();
this->m_graph = NULL;
return false;
}
PinList pins = this->enumPins(webcamFilter, PINDIR_OUTPUT);
for (const PinPtr &pin: pins) {
IAMStreamConfig *pStreamConfig = NULL;
HRESULT hr =
pin->QueryInterface(IID_IAMStreamConfig,
reinterpret_cast<void **>(&pStreamConfig));
if (SUCCEEDED(hr))
pStreamConfig->SetFormat(mediaType.data());
if (pStreamConfig)
pStreamConfig->Release();
}
// Run the pipeline
IMediaControl *control = NULL;
if (FAILED(this->m_graph->QueryInterface(IID_IMediaControl,
reinterpret_cast<void **>(&control)))) {
this->m_graph->Release();
this->m_graph = NULL;
return false;
}
this->m_id = Ak::id();
AkCaps caps = this->capsFromMediaType(mediaType);
this->m_timeBase = AkFrac(caps.property("fps").toString()).invert();
if (FAILED(control->Run())) {
control->Release();
this->m_graph->Release();
this->m_graph = NULL;
return false;
}
control->Release();
this->m_localImageControls.clear();
this->m_localImageControls.clear();
return true;
}
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;
}
int main(int argc, char* argv[])
{
ICaptureGraphBuilder2 *pCaptureGraphBuilder = NULL;
IGraphBuilder *pGraphBuilder = NULL;
IBaseFilter *pSource = NULL;
IBaseFilter *pMux = NULL;
IBaseFilter *pVideoCompressor = NULL;
IBaseFilter *pAudioCompressor = NULL;
IAMStreamConfig *pAMStreamConfig = NULL;
IAMVideoCompression *pAMVideoCompression = NULL;
IMediaControl *pControl = NULL;
IMediaSeeking *pSeek = NULL;
IMediaEvent *pEvent = NULL;
HRESULT hr;
DWORD pdwRegister=0;
CoInitialize(NULL);
// Create the capture graph builder.
CoCreateInstance(CLSID_CaptureGraphBuilder2, NULL, CLSCTX_INPROC,
IID_ICaptureGraphBuilder2, (void **)&pCaptureGraphBuilder);
// Make the rendering section of the graph.
pCaptureGraphBuilder->SetOutputFileName(
&MEDIASUBTYPE_Avi, // File type.
L"C:\\STDIUE1.avi", // File name.
&pMux, // pointer to the multiplexer.
NULL); // pointer to the file writer.
// Load the source file.
pCaptureGraphBuilder->GetFiltergraph(&pGraphBuilder);
pGraphBuilder->AddSourceFilter(L"C:\\Program Files\\Microsoft Money\\Media\\STDIUE1.avi", L"Source Filter", &pSource);
// Add the compressor filter.
CoCreateInstance(CLSID_AVICo, NULL, CLSCTX_INPROC,
IID_IBaseFilter, (void **)&pVideoCompressor);
pGraphBuilder->AddFilter(pVideoCompressor, L"Video Compressor");
// Render the video stream, through the compressor.
pCaptureGraphBuilder->RenderStream(
NULL, // Output pin category
NULL, // Media type
pSource, // Source filter
pVideoCompressor, // Compressor filter
pMux); // Sink filter (the AVI Mux)
/* CoCreateInstance(CLSID_GSM, NULL, CLSCTX_INPROC,
IID_IBaseFilter, (void **)&pAudioCompressor);
pGraphBuilder->AddFilter(pAudioCompressor, L"Audio Compressor");*/
// Render the audio stream.
pCaptureGraphBuilder->RenderStream(
NULL,
NULL,
pSource,
pAudioCompressor,
pMux);
// Compress at 100k/second data rate.
AM_MEDIA_TYPE *pmt;
pCaptureGraphBuilder->FindInterface(NULL, NULL, pVideoCompressor, IID_IAMStreamConfig, (void **)&pAMStreamConfig);
pAMStreamConfig->GetFormat(&pmt);
if (pmt->formattype == FORMAT_VideoInfo)
{
((VIDEOINFOHEADER *)(pmt->pbFormat))->dwBitRate = 100000;
pAMStreamConfig->SetFormat(pmt);
}
// Request key frames every four frames.
pAMStreamConfig->QueryInterface(IID_IAMVideoCompression, (void **)&pAMVideoCompression);
pAMVideoCompression->put_KeyFrameRate(4);
pAMVideoCompression->Release();
pAMStreamConfig->Release();
// Run the graph.
pGraphBuilder->QueryInterface(IID_IMediaControl, (void **)&pControl);
pGraphBuilder->QueryInterface(IID_IMediaEvent, (void **)&pEvent);
hr = pMux->QueryInterface(IID_IMediaSeeking, (void**)&pSeek);
pControl->Run();
printf("Recompressing... \n");
long evCode;
if (SUCCEEDED(hr))
{
REFERENCE_TIME rtTotal, rtNow = 0;
pSeek->GetDuration(&rtTotal);
while ((pEvent->WaitForCompletion(1000, &evCode)) == E_ABORT)
{
pSeek->GetCurrentPosition(&rtNow);
printf("%d%%\n", (rtNow * 100)/rtTotal);
}
pSeek->Release();
}
else // Cannot update the progress.
{
pEvent->WaitForCompletion(INFINITE, &evCode);
}
pControl->Stop();
printf("All done\n");
pSource->Release();
pMux->Release();
pVideoCompressor->Release();
pAudioCompressor->Release ();
pControl->Release();
pEvent->Release();
pCaptureGraphBuilder->Release();
pGraphBuilder->Release();
CoUninitialize();
return 0;
}
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;
}
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;
}
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;
}
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 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;
}
// 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;
}
int
recChannel_t::source_format(char* newFormat)
{
__CONTEXT("recChannel_t::source_format");
int hr = 0;
bool formatFound = false;
IAMStreamConfig *pConfig = NULL;
AM_MEDIA_TYPE * format = NULL;
pControl->StopWhenReady();
ql_t<AM_MEDIA_TYPE *> auxFormats = camInfo->getFormatList();
for(int i = 0; i<auxFormats.len() ; i++)
{
AM_MEDIA_TYPE format = *(auxFormats.nth(i));
IAMStreamConfig *pConfig = NULL;
IVideoWindow * pWindow = NULL;
char subtypeName [100];
memset(subtypeName,0,100);
GetGUIDString(subtypeName,&format.subtype);
VIDEOINFOHEADER *pVih = (VIDEOINFOHEADER*) format.pbFormat;
if((pVih==NULL && strcmp(newFormat,sourceFormat)==0 )||
(pVih->bmiHeader.biHeight == capInfo.heigth &&
pVih->bmiHeader.biWidth == capInfo.width &&
strcmp(subtypeName,newFormat)==0) ||
camInfo->getKind() == SHARED
)
{
if (strcmp(sourceFormat,newFormat))
{
memset(sourceFormat,0,100);
strcpy(sourceFormat,newFormat);
}
if (!hr && (camInfo->getKind() == CAM || camInfo->getKind() == SHARED)){
camInfo->output->Disconnect();
hr = camInfo->output->QueryInterface(IID_IAMStreamConfig, (void**)&pConfig);
//pVih->AvgTimePerFrame = 666666;//
pVih->AvgTimePerFrame = 333333/(frameRate);
int hr = pConfig->SetFormat(&format);
actualFormat = format;
pConfig->Release();
}
formatFound = true;
break;
}
}
if (!formatFound)
{
IAMStreamConfig *pConfig = NULL;
if (camInfo->getKind() == CAM ||
camInfo->getKind() == SHARED)
{
VIDEOINFOHEADER *pVih = (VIDEOINFOHEADER*) actualFormat.pbFormat;
camInfo->output->Disconnect();
hr = camInfo->output->QueryInterface(IID_IAMStreamConfig, (void**)&pConfig);
//pVih->AvgTimePerFrame = 666666;
if (pConfig)
{
int hr = pConfig->SetFormat(&actualFormat);
pConfig->Release();
}
}
}
NOTIFY("reChannel_t"
"\r\n=========================================\r\n"
"Channel %d : Source Description...\r\n"
"- sourceName: %s\r\n"
"- capture Size: %dx%d\r\n"
"- supported Formats: %s\r\n"
"- Window Info: (%d,%d,%d,%d)\r\n"
"- Title: %s\r\n"
"=========================================\r\n",
getId(),
camInfo->getCamName(),
capInfo.width,
capInfo.heigth,
camInfo->getSupportedFormats(),
windowInfo.top,
windowInfo.left,
windowInfo.width,
windowInfo.heigth,
title);
remap();
if (mapping){
map();
}
return 0;
}
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();
}
}
}
BOOL CBoxView::APlaying()
{
if (m_pGraph == NULL)
{
return FALSE;
}
CComPtr<IBaseFilter> pAudioInputFilter;
HRESULT hr = S_OK;
//查找audio filter并加入graph
hr = FindInputFilters((void**)&pAudioInputFilter, CLSID_AudioInputDeviceCategory);
if (NULL == pAudioInputFilter)
{
TRACE(L"[SVC] CBoxView:: Could not create the Filter AudioInputFilter");
return FALSE;
}
CComPtr<IPin> pinIn;
CComPtr<IAMAudioInputMixer> pPinMixer;
GetUnconnectedPin(pAudioInputFilter, PINDIR_INPUT, &pinIn);
hr = pinIn->QueryInterface(IID_IAMAudioInputMixer, (void **)&pPinMixer);
if (SUCCEEDED(hr))
{
hr = pPinMixer->put_Enable(TRUE);
}
hr = m_pGraph->AddFilter(pAudioInputFilter, L"ACapture");
//创建render filter并加入graph
CComPtr <IBaseFilter> pAudioRenderer = NULL;
hr = CoCreateInstance(CLSID_AudioRender, NULL, CLSCTX_INPROC_SERVER, IID_IBaseFilter, (void **)&pAudioRenderer);
hr = m_pGraph->AddFilter(pAudioRenderer, L"Audio Renderer");
if (pAudioRenderer == NULL)
{
TRACE(L"[SVC] CBoxView:: Could not create the Filter AudioRenderer");
return FALSE;
}
//获取麦克风输出脚
CComPtr<IPin> pAudioOutput;
CComPtr<IEnumPins> pEnum;
pAudioInputFilter->EnumPins(&pEnum);
hr = pEnum->Reset();
hr = pEnum->Next(1, &pAudioOutput, NULL);
//设置麦克风输出脚
IAMStreamConfig *pCfg = NULL;
hr = pAudioOutput->QueryInterface(IID_IAMStreamConfig, (void **)&pCfg);
// Read current media type/format
AM_MEDIA_TYPE *pmt = { 0 };
hr = pCfg->GetFormat(&pmt);
WAVEFORMATEX *pWF = (WAVEFORMATEX *)pmt->pbFormat;
// Release interfaces
pCfg->Release();
//设置麦克风输出脚缓冲
IAMBufferNegotiation *pNeg;
pAudioOutput->QueryInterface(IID_IAMBufferNegotiation, (void **)&pNeg);
ALLOCATOR_PROPERTIES prop = { 0 };
prop.cbBuffer = pWF->nAvgBytesPerSec * 50 / 1000;
prop.cBuffers = -1;
prop.cbAlign = -1;
prop.cbPrefix = -1;
hr = pNeg->SuggestAllocatorProperties(&prop);
pNeg->Release();
#if 0
//method 1:Render RUN
hr = m_pCGB->RenderStream(&PIN_CATEGORY_PREVIEW,
&MEDIATYPE_Audio,
pAudioInputFilter,
NULL,
NULL);
#else
//method 2:Connect RUN
hr = ConnectFilters(m_pGraph, pAudioOutput, pAudioRenderer);
#endif
return FAILED(hr);
}
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;
}
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;
}
bool DeviceSource::LoadFilters()
{
if(bCapturing || bFiltersLoaded)
return false;
bool bSucceeded = false;
List<MediaOutputInfo> outputList;
IAMStreamConfig *config = NULL;
bool bAddedVideoCapture = false, bAddedAudioCapture = false, bAddedDevice = false;
GUID expectedMediaType;
IPin *devicePin = NULL, *audioPin = NULL;
HRESULT err;
String strShader;
bUseThreadedConversion = API->UseMultithreadedOptimizations() && (OSGetTotalCores() > 1);
//------------------------------------------------
// basic initialization vars
bool bCheckForceAudio = data->GetInt(TEXT("forceCustomAudioDevice")) != 0;
bUseCustomResolution = data->GetInt(TEXT("customResolution"));
strDevice = data->GetString(TEXT("device"));
strDeviceName = data->GetString(TEXT("deviceName"));
strDeviceID = data->GetString(TEXT("deviceID"));
strAudioDevice = data->GetString(TEXT("audioDevice"));
strAudioName = data->GetString(TEXT("audioDeviceName"));
strAudioID = data->GetString(TEXT("audioDeviceID"));
strAudioGUID = data->GetString(TEXT("audioDeviceCLSID"));
if(strAudioGUID.Compare(TEXT("CLSID_AudioInputDeviceCategory"))) matchGUID = CLSID_AudioInputDeviceCategory;
if(strAudioGUID.Compare(TEXT("CLSID_VideoInputDeviceCategory"))) matchGUID = CLSID_VideoInputDeviceCategory;
if(strAudioGUID.Compare(TEXT("CLSID_AudioRendererCategory"))) {
//Log(TEXT("Dese are spekers.\n"));
matchGUID = CLSID_AudioRendererCategory;
}
bFlipVertical = data->GetInt(TEXT("flipImage")) != 0;
bFlipHorizontal = data->GetInt(TEXT("flipImageHorizontal")) != 0;
opacity = data->GetInt(TEXT("opacity"), 100);
float volume = data->GetFloat(TEXT("volume"), 1.0f);
//------------------------------------------------
// chrom key stuff
bUseChromaKey = data->GetInt(TEXT("useChromaKey")) != 0;
keyColor = data->GetInt(TEXT("keyColor"), 0xFFFFFFFF);
keySimilarity = data->GetInt(TEXT("keySimilarity"));
keyBlend = data->GetInt(TEXT("keyBlend"), 80);
keySpillReduction = data->GetInt(TEXT("keySpillReduction"), 50);
if(keyBaseColor.x < keyBaseColor.y && keyBaseColor.x < keyBaseColor.z)
keyBaseColor -= keyBaseColor.x;
else if(keyBaseColor.y < keyBaseColor.x && keyBaseColor.y < keyBaseColor.z)
keyBaseColor -= keyBaseColor.y;
else if(keyBaseColor.z < keyBaseColor.x && keyBaseColor.z < keyBaseColor.y)
keyBaseColor -= keyBaseColor.z;
//------------------------------------------------
// get the device filter and pins
if(strAudioDevice.IsValid())
{
audioDeviceFilter = GetDeviceByValue(matchGUID, L"FriendlyName", strAudioName, L"DevicePath", strAudioID);
if(!audioDeviceFilter) {
AppWarning(TEXT("DShowAudioPlugin: Invalid audio device: name '%s', path '%s'"), strAudioName.Array(), strAudioID.Array());
}
}
soundOutputType = data->GetInt(TEXT("soundOutputType"));
if(soundOutputType != 0)
{
if(matchGUID == CLSID_AudioRendererCategory) {
err = capture->FindPin(audioDeviceFilter, PINDIR_OUTPUT, &PIN_CATEGORY_CAPTURE, &MEDIATYPE_Audio, FALSE, 0, &audioPin);
}
else {
err = capture->FindPin(audioDeviceFilter, PINDIR_OUTPUT, &PIN_CATEGORY_CAPTURE, &MEDIATYPE_Audio, FALSE, 0, &audioPin);
}
if(FAILED(err))
{
Log(TEXT("DShowAudioPlugin: No audio pin, result = %lX"), err);
soundOutputType = 0;
}
}
int soundTimeOffset = data->GetInt(TEXT("soundTimeOffset"));
//GetOutputList(devicePin, outputList);
//------------------------------------------------
// initialize the basic video variables and data
//------------------------------------------------
// log audio info
{
String strTest;
strTest = FormattedString(TEXT(" audio device: %s,\r\n audio device id %s,\r\n"), strAudioDevice.Array(), strAudioID.Array());
Log(TEXT("------------------------------------------"));
Log(strTest.Array());
}
//------------------------------------------------
// get audio pin configuration, optionally configure audio pin to 44100
GUID expectedAudioType;
if(soundOutputType == 1)
{
IAMStreamConfig *audioConfig;
if(SUCCEEDED(audioPin->QueryInterface(IID_IAMStreamConfig, (void**)&audioConfig)))
{
AM_MEDIA_TYPE *audioMediaType;
if(SUCCEEDED(err = audioConfig->GetFormat(&audioMediaType)))
{
SetAudioInfo(audioMediaType, expectedAudioType);
//Log(TEXT("Fixed size samples: %s\r\n"), (audioMediaType->bFixedSizeSamples) ? "Yes" : "No");
//Log(TEXT("Temporal Compression: %s\r\n"), (audioMediaType->bTemporalCompression) ? "Yes" : "No");
//Log(TEXT("cbFormat: %.16X\r\n"), audioMediaType->cbFormat);
//Log(TEXT("Sample size: %u\r\n"), audioMediaType->lSampleSize);
}
else if(err == E_NOTIMPL) //elgato probably
{
IEnumMediaTypes *audioMediaTypes;
if(SUCCEEDED(err = audioPin->EnumMediaTypes(&audioMediaTypes)))
{
ULONG i = 0;
if((err = audioMediaTypes->Next(1, &audioMediaType, &i)) == S_OK)
SetAudioInfo(audioMediaType, expectedAudioType);
else
{
AppWarning(TEXT("DShowAudioPlugin: audioMediaTypes->Next failed, result = %08lX"), err);
soundOutputType = 0;
}
audioMediaTypes->Release();
}
else
{
AppWarning(TEXT("DShowAudioPlugin: audioMediaTypes->Next failed, result = %08lX"), err);
soundOutputType = 0;
}
}
else
{
AppWarning(TEXT("DShowAudioPlugin: Could not get audio format, result = %08lX"), err);
soundOutputType = 0;
}
audioConfig->Release();
}
else {
soundOutputType = 0;
}
}
//------------------------------------------------
// add video capture filter if any
captureFilter = new CaptureFilter(this, MEDIATYPE_Video, expectedMediaType);
if(FAILED(err = graph->AddFilter(captureFilter, NULL)))
{
AppWarning(TEXT("DShowAudioPlugin: Failed to add video capture filter to graph, result = %08lX"), err);
goto cleanFinish;
}
bAddedVideoCapture = true;
//------------------------------------------------
// add audio capture filter if any
if(soundOutputType == 1)
{
audioFilter = new CaptureFilter(this, MEDIATYPE_Audio, expectedAudioType);
if(!audioFilter)
{
AppWarning(TEXT("Failed to create audio capture filter"));
soundOutputType = 0;
}
}
else if(soundOutputType == 2)
{
if(FAILED(err = CoCreateInstance(CLSID_DSoundRender, NULL, CLSCTX_INPROC_SERVER, IID_IBaseFilter, (void**)&audioFilter)))
{
AppWarning(TEXT("DShowPlugin: failed to create audio renderer, result = %08lX"), err);
soundOutputType = 0;
}
IBasicAudio *basicAudio;
if(SUCCEEDED(audioFilter->QueryInterface(IID_IBasicAudio, (void**)&basicAudio)))
{
long lVol = long((double(volume)*NEAR_SILENTf)-NEAR_SILENTf);
if(lVol <= -NEAR_SILENT)
lVol = -10000;
basicAudio->put_Volume(lVol);
basicAudio->Release();
}
}
if(soundOutputType != 0)
{
if(FAILED(err = graph->AddFilter(audioFilter, NULL)))
{
AppWarning(TEXT("DShowAudioPlugin: Failed to add audio capture filter to graph, result = %08lX"), err);
goto cleanFinish;
}
bAddedAudioCapture = true;
}
//------------------------------------------------
// add primary device filter
if(FAILED(err = graph->AddFilter(audioDeviceFilter, NULL)))
{
AppWarning(TEXT("DShowAudioPlugin: Failed to add audio device filter to graph, result = %08lX"), err);
goto cleanFinish;
}
bAddedDevice = true;
//------------------------------------------------
// connect all pins and set up the whole capture thing
bool bConnected;
if(soundOutputType != 0)
{
bConnected = SUCCEEDED(err = capture->RenderStream(&PIN_CATEGORY_CAPTURE, &MEDIATYPE_Audio, audioDeviceFilter, NULL, audioFilter));
if(!bConnected)
{
AppWarning(TEXT("DShowAudioPlugin: Failed to connect the audio device pin to the audio capture pin, result = %08lX"), err);
soundOutputType = 0;
}
}
if(FAILED(err = graph->QueryInterface(IID_IMediaControl, (void**)&control)))
{
AppWarning(TEXT("DShowAudioPlugin: Failed to get IMediaControl, result = %08lX"), err);
goto cleanFinish;
}
if(soundOutputType == 1)
{
audioOut = new DeviceAudioSource;
audioOut->Initialize(this);
API->AddAudioSource(audioOut);
audioOut->SetAudioOffset(soundTimeOffset);
audioOut->SetVolume(volume);
}
bSucceeded = true;
cleanFinish:
SafeRelease(config);
SafeRelease(devicePin);
SafeRelease(audioPin);
for(UINT i=0; i<outputList.Num(); i++)
outputList[i].FreeData();
if(!bSucceeded)
{
bCapturing = false;
if(bAddedVideoCapture)
graph->RemoveFilter(captureFilter);
if(bAddedAudioCapture)
graph->RemoveFilter(audioFilter);
if(bAddedDevice) {
graph->RemoveFilter(audioDeviceFilter);
graph->RemoveFilter(deviceFilter);
}
SafeRelease(audioDeviceFilter);
SafeRelease(deviceFilter);
SafeRelease(captureFilter);
SafeRelease(audioFilter);
SafeRelease(control);
if(colorConvertShader)
{
delete colorConvertShader;
colorConvertShader = NULL;
}
if(audioOut)
{
delete audioOut;
audioOut = NULL;
}
if(lpImageBuffer)
{
Free(lpImageBuffer);
lpImageBuffer = NULL;
}
bReadyToDraw = true;
}
else
bReadyToDraw = false;
if(!renderCX) renderCX = 32;
if(!renderCY) renderCY = 32;
//-----------------------------------------------------
// create the texture regardless, will just show up as red to indicate failure
BYTE *textureData = (BYTE*)Allocate(renderCX*renderCY*4);
if(colorType == DeviceOutputType_RGB) //you may be confused, but when directshow outputs RGB, it's actually outputting BGR
{
msetd(textureData, 0xFFFF0000, renderCX*renderCY*4);
texture = CreateTexture(renderCX, renderCY, GS_BGR, textureData, FALSE, FALSE);
}
else //if we're working with planar YUV, we can just use regular RGB textures instead
{
msetd(textureData, 0xFF0000FF, renderCX*renderCY*4);
texture = CreateTexture(renderCX, renderCY, GS_RGB, textureData, FALSE, FALSE);
}
if(bSucceeded && bUseThreadedConversion)
{
if(colorType == DeviceOutputType_I420 || colorType == DeviceOutputType_YV12)
{
LPBYTE lpData;
if(texture->Map(lpData, texturePitch))
texture->Unmap();
else
texturePitch = renderCX*4;
lpImageBuffer = (LPBYTE)Allocate(texturePitch*renderCY);
}
}
Free(textureData);
bFiltersLoaded = bSucceeded;
return bSucceeded;
}
bool DeviceSource::LoadFilters()
{
if(bCapturing || bFiltersLoaded)
return false;
bool bSucceeded = false;
List<MediaOutputInfo> outputList;
IAMStreamConfig *config = NULL;
bool bAddedVideoCapture = false, bAddedAudioCapture = false, bAddedDevice = false;
GUID expectedMediaType;
IPin *devicePin = NULL, *audioPin = NULL;
HRESULT err;
String strShader;
bUseThreadedConversion = API->UseMultithreadedOptimizations() && (OSGetTotalCores() > 1);
//------------------------------------------------
// basic initialization vars
bool bForceCustomAudio = data->GetInt(TEXT("forceCustomAudioDevice")) != 0;
bUseCustomResolution = data->GetInt(TEXT("customResolution"));
strDevice = data->GetString(TEXT("device"));
strDeviceName = data->GetString(TEXT("deviceName"));
strDeviceID = data->GetString(TEXT("deviceID"));
strAudioDevice = data->GetString(TEXT("audioDevice"));
strAudioName = data->GetString(TEXT("audioDeviceName"));
strAudioID = data->GetString(TEXT("audioDeviceID"));
bFlipVertical = data->GetInt(TEXT("flipImage")) != 0;
bFlipHorizontal = data->GetInt(TEXT("flipImageHorizontal")) != 0;
bUsePointFiltering = data->GetInt(TEXT("usePointFiltering")) != 0;
opacity = data->GetInt(TEXT("opacity"), 100);
float volume = data->GetFloat(TEXT("volume"), 1.0f);
bUseBuffering = data->GetInt(TEXT("useBuffering")) != 0;
bufferTime = data->GetInt(TEXT("bufferTime"))*10000;
//------------------------------------------------
// chrom key stuff
bUseChromaKey = data->GetInt(TEXT("useChromaKey")) != 0;
keyColor = data->GetInt(TEXT("keyColor"), 0xFFFFFFFF);
keySimilarity = data->GetInt(TEXT("keySimilarity"));
keyBlend = data->GetInt(TEXT("keyBlend"), 80);
keySpillReduction = data->GetInt(TEXT("keySpillReduction"), 50);
if(keyBaseColor.x < keyBaseColor.y && keyBaseColor.x < keyBaseColor.z)
keyBaseColor -= keyBaseColor.x;
else if(keyBaseColor.y < keyBaseColor.x && keyBaseColor.y < keyBaseColor.z)
keyBaseColor -= keyBaseColor.y;
else if(keyBaseColor.z < keyBaseColor.x && keyBaseColor.z < keyBaseColor.y)
keyBaseColor -= keyBaseColor.z;
//------------------------------------------------
// get the device filter and pins
if(strDeviceName.IsValid())
deviceFilter = GetDeviceByValue(CLSID_VideoInputDeviceCategory, L"FriendlyName", strDeviceName, L"DevicePath", strDeviceID);
else
{
if(!strDevice.IsValid())
{
AppWarning(TEXT("DShowPlugin: Invalid device specified"));
goto cleanFinish;
}
deviceFilter = GetDeviceByValue(CLSID_VideoInputDeviceCategory, L"FriendlyName", strDevice);
}
if(!deviceFilter)
{
AppWarning(TEXT("DShowPlugin: Could not create device filter"));
goto cleanFinish;
}
devicePin = GetOutputPin(deviceFilter, &MEDIATYPE_Video);
if(!devicePin)
{
AppWarning(TEXT("DShowPlugin: Could not get device video pin"));
goto cleanFinish;
}
soundOutputType = data->GetInt(TEXT("soundOutputType")); //0 is for backward-compatibility
if (strAudioID.CompareI(TEXT("Disabled")))
soundOutputType = 0;
if(soundOutputType != 0)
{
if(!bForceCustomAudio)
{
err = capture->FindPin(deviceFilter, PINDIR_OUTPUT, &PIN_CATEGORY_CAPTURE, &MEDIATYPE_Audio, FALSE, 0, &audioPin);
bDeviceHasAudio = SUCCEEDED(err);
}
else
bDeviceHasAudio = false;
if(!bDeviceHasAudio)
{
if(strDeviceName.IsValid())
{
audioDeviceFilter = GetDeviceByValue(CLSID_AudioInputDeviceCategory, L"FriendlyName", strAudioName, L"DevicePath", strAudioID);
if(!audioDeviceFilter)
AppWarning(TEXT("DShowPlugin: Invalid audio device: name '%s', path '%s'"), strAudioName.Array(), strAudioID.Array());
}
else if(strAudioDevice.IsValid())
{
audioDeviceFilter = GetDeviceByValue(CLSID_AudioInputDeviceCategory, L"FriendlyName", strAudioDevice);
if(!audioDeviceFilter)
AppWarning(TEXT("DShowPlugin: Could not create audio device filter"));
}
if(audioDeviceFilter)
err = capture->FindPin(audioDeviceFilter, PINDIR_OUTPUT, &PIN_CATEGORY_CAPTURE, &MEDIATYPE_Audio, FALSE, 0, &audioPin);
else
err = E_FAIL;
}
if(FAILED(err) || !audioPin)
{
Log(TEXT("DShowPlugin: No audio pin, result = %lX"), err);
soundOutputType = 0;
}
}
else
bDeviceHasAudio = bForceCustomAudio = false;
int soundTimeOffset = data->GetInt(TEXT("soundTimeOffset"));
GetOutputList(devicePin, outputList);
//------------------------------------------------
// initialize the basic video variables and data
renderCX = renderCY = 0;
frameInterval = 0;
if(bUseCustomResolution)
{
renderCX = data->GetInt(TEXT("resolutionWidth"));
renderCY = data->GetInt(TEXT("resolutionHeight"));
frameInterval = data->GetInt(TEXT("frameInterval"));
}
else
{
SIZE size;
if (!GetClosestResolution(outputList, size, frameInterval))
{
AppWarning(TEXT("DShowPlugin: Unable to find appropriate resolution"));
renderCX = renderCY = 64;
goto cleanFinish;
}
renderCX = size.cx;
renderCY = size.cy;
}
if(!renderCX || !renderCY || !frameInterval)
{
AppWarning(TEXT("DShowPlugin: Invalid size/fps specified"));
goto cleanFinish;
}
preferredOutputType = (data->GetInt(TEXT("usePreferredType")) != 0) ? data->GetInt(TEXT("preferredType")) : -1;
int numThreads = MAX(OSGetTotalCores()-2, 1);
for(int i=0; i<numThreads; i++)
{
convertData[i].width = renderCX;
convertData[i].height = renderCY;
convertData[i].sample = NULL;
convertData[i].hSignalConvert = CreateEvent(NULL, FALSE, FALSE, NULL);
convertData[i].hSignalComplete = CreateEvent(NULL, FALSE, FALSE, NULL);
if(i == 0)
convertData[i].startY = 0;
else
convertData[i].startY = convertData[i-1].endY;
if(i == (numThreads-1))
convertData[i].endY = renderCY;
else
convertData[i].endY = ((renderCY/numThreads)*(i+1)) & 0xFFFFFFFE;
}
bFirstFrame = true;
//------------------------------------------------
// get the closest media output for the settings used
MediaOutputInfo *bestOutput = GetBestMediaOutput(outputList, renderCX, renderCY, preferredOutputType, frameInterval);
if(!bestOutput)
{
AppWarning(TEXT("DShowPlugin: Could not find appropriate resolution to create device image source"));
goto cleanFinish;
}
//------------------------------------------------
// log video info
{
String strTest = FormattedString(TEXT(" device: %s,\r\n device id %s,\r\n chosen type: %s, usingFourCC: %s, res: %ux%u - %ux%u, frameIntervals: %llu-%llu"),
strDevice.Array(), strDeviceID.Array(),
EnumToName[(int)bestOutput->videoType],
bestOutput->bUsingFourCC ? TEXT("true") : TEXT("false"),
bestOutput->minCX, bestOutput->minCY, bestOutput->maxCX, bestOutput->maxCY,
bestOutput->minFrameInterval, bestOutput->maxFrameInterval);
BITMAPINFOHEADER *bmiHeader = GetVideoBMIHeader(bestOutput->mediaType);
char fourcc[5];
mcpy(fourcc, &bmiHeader->biCompression, 4);
fourcc[4] = 0;
if(bmiHeader->biCompression > 1000)
strTest << FormattedString(TEXT(", fourCC: '%S'\r\n"), fourcc);
else
strTest << FormattedString(TEXT(", fourCC: %08lX\r\n"), bmiHeader->biCompression);
if(!bDeviceHasAudio) strTest << FormattedString(TEXT(" audio device: %s,\r\n audio device id %s,\r\n"), strAudioDevice.Array(), strAudioID.Array());
Log(TEXT("------------------------------------------"));
Log(strTest.Array());
}
//------------------------------------------------
// set up shaders and video output data
expectedMediaType = bestOutput->mediaType->subtype;
colorType = DeviceOutputType_RGB;
if(bestOutput->videoType == VideoOutputType_I420)
colorType = DeviceOutputType_I420;
else if(bestOutput->videoType == VideoOutputType_YV12)
colorType = DeviceOutputType_YV12;
else if(bestOutput->videoType == VideoOutputType_YVYU)
colorType = DeviceOutputType_YVYU;
else if(bestOutput->videoType == VideoOutputType_YUY2)
colorType = DeviceOutputType_YUY2;
else if(bestOutput->videoType == VideoOutputType_UYVY)
colorType = DeviceOutputType_UYVY;
else if(bestOutput->videoType == VideoOutputType_HDYC)
colorType = DeviceOutputType_HDYC;
else
{
colorType = DeviceOutputType_RGB;
expectedMediaType = MEDIASUBTYPE_RGB32;
}
strShader = ChooseShader();
if(strShader.IsValid())
colorConvertShader = CreatePixelShaderFromFile(strShader);
if(colorType != DeviceOutputType_RGB && !colorConvertShader)
{
AppWarning(TEXT("DShowPlugin: Could not create color space conversion pixel shader"));
goto cleanFinish;
}
if(colorType == DeviceOutputType_YV12 || colorType == DeviceOutputType_I420)
{
for(int i=0; i<numThreads; i++)
hConvertThreads[i] = OSCreateThread((XTHREAD)PackPlanarThread, convertData+i);
}
//------------------------------------------------
// set chroma details
keyBaseColor = Color4().MakeFromRGBA(keyColor);
Matrix4x4TransformVect(keyChroma, (colorType == DeviceOutputType_HDYC) ? (float*)yuv709Mat : (float*)yuvMat, keyBaseColor);
keyChroma *= 2.0f;
//------------------------------------------------
// configure video pin
if(FAILED(err = devicePin->QueryInterface(IID_IAMStreamConfig, (void**)&config)))
{
AppWarning(TEXT("DShowPlugin: Could not get IAMStreamConfig for device pin, result = %08lX"), err);
goto cleanFinish;
}
AM_MEDIA_TYPE outputMediaType;
CopyMediaType(&outputMediaType, bestOutput->mediaType);
VIDEOINFOHEADER *vih = reinterpret_cast<VIDEOINFOHEADER*>(outputMediaType.pbFormat);
BITMAPINFOHEADER *bmi = GetVideoBMIHeader(&outputMediaType);
vih->AvgTimePerFrame = frameInterval;
bmi->biWidth = renderCX;
bmi->biHeight = renderCY;
bmi->biSizeImage = renderCX*renderCY*(bmi->biBitCount>>3);
if(FAILED(err = config->SetFormat(&outputMediaType)))
{
if(err != E_NOTIMPL)
{
AppWarning(TEXT("DShowPlugin: SetFormat on device pin failed, result = %08lX"), err);
goto cleanFinish;
}
}
FreeMediaType(outputMediaType);
//------------------------------------------------
// get audio pin configuration, optionally configure audio pin to 44100
GUID expectedAudioType;
if(soundOutputType == 1)
{
IAMStreamConfig *audioConfig;
if(SUCCEEDED(audioPin->QueryInterface(IID_IAMStreamConfig, (void**)&audioConfig)))
{
AM_MEDIA_TYPE *audioMediaType;
if(SUCCEEDED(err = audioConfig->GetFormat(&audioMediaType)))
{
SetAudioInfo(audioMediaType, expectedAudioType);
}
else if(err == E_NOTIMPL) //elgato probably
{
IEnumMediaTypes *audioMediaTypes;
if(SUCCEEDED(err = audioPin->EnumMediaTypes(&audioMediaTypes)))
{
ULONG i = 0;
if((err = audioMediaTypes->Next(1, &audioMediaType, &i)) == S_OK)
SetAudioInfo(audioMediaType, expectedAudioType);
else
{
AppWarning(TEXT("DShowPlugin: audioMediaTypes->Next failed, result = %08lX"), err);
soundOutputType = 0;
}
audioMediaTypes->Release();
}
else
{
AppWarning(TEXT("DShowPlugin: audioMediaTypes->Next failed, result = %08lX"), err);
soundOutputType = 0;
}
}
else
{
AppWarning(TEXT("DShowPlugin: Could not get audio format, result = %08lX"), err);
soundOutputType = 0;
}
audioConfig->Release();
}
else {
soundOutputType = 0;
}
}
//------------------------------------------------
// add video capture filter if any
captureFilter = new CaptureFilter(this, MEDIATYPE_Video, expectedMediaType);
if(FAILED(err = graph->AddFilter(captureFilter, NULL)))
{
AppWarning(TEXT("DShowPlugin: Failed to add video capture filter to graph, result = %08lX"), err);
goto cleanFinish;
}
bAddedVideoCapture = true;
//------------------------------------------------
// add audio capture filter if any
if(soundOutputType == 1)
{
audioFilter = new CaptureFilter(this, MEDIATYPE_Audio, expectedAudioType);
if(!audioFilter)
{
AppWarning(TEXT("Failed to create audio capture filter"));
soundOutputType = 0;
}
}
else if(soundOutputType == 2)
{
if(FAILED(err = CoCreateInstance(CLSID_AudioRender, NULL, CLSCTX_INPROC_SERVER, IID_IBaseFilter, (void**)&audioFilter)))
{
AppWarning(TEXT("DShowPlugin: failed to create audio renderer, result = %08lX"), err);
soundOutputType = 0;
}
IBasicAudio *basicAudio;
if(SUCCEEDED(audioFilter->QueryInterface(IID_IBasicAudio, (void**)&basicAudio)))
{
long lVol = long((double(volume)*NEAR_SILENTf)-NEAR_SILENTf);
if(lVol <= -NEAR_SILENT)
lVol = -10000;
basicAudio->put_Volume(lVol);
basicAudio->Release();
}
}
if(soundOutputType != 0)
{
if(FAILED(err = graph->AddFilter(audioFilter, NULL)))
AppWarning(TEXT("DShowPlugin: Failed to add audio capture filter to graph, result = %08lX"), err);
bAddedAudioCapture = true;
}
//------------------------------------------------
// add primary device filter
if(FAILED(err = graph->AddFilter(deviceFilter, NULL)))
{
AppWarning(TEXT("DShowPlugin: Failed to add device filter to graph, result = %08lX"), err);
goto cleanFinish;
}
if(soundOutputType != 0 && !bDeviceHasAudio)
{
if(FAILED(err = graph->AddFilter(audioDeviceFilter, NULL)))
AppWarning(TEXT("DShowPlugin: Failed to add audio device filter to graph, result = %08lX"), err);
}
bAddedDevice = true;
//------------------------------------------------
// connect all pins and set up the whole capture thing
//THANK THE NINE DIVINES I FINALLY GOT IT WORKING
bool bConnected = SUCCEEDED(err = capture->RenderStream(&PIN_CATEGORY_CAPTURE, &MEDIATYPE_Video, deviceFilter, NULL, captureFilter));
if(!bConnected)
{
if(FAILED(err = graph->Connect(devicePin, captureFilter->GetCapturePin())))
{
AppWarning(TEXT("DShowPlugin: Failed to connect the video device pin to the video capture pin, result = %08lX"), err);
goto cleanFinish;
}
}
if(soundOutputType != 0)
{
if(!bDeviceHasAudio)
bConnected = SUCCEEDED(err = capture->RenderStream(&PIN_CATEGORY_CAPTURE, &MEDIATYPE_Audio, audioDeviceFilter, NULL, audioFilter));
else
bConnected = SUCCEEDED(err = capture->RenderStream(&PIN_CATEGORY_CAPTURE, &MEDIATYPE_Audio, deviceFilter, NULL, audioFilter));
if(!bConnected)
{
AppWarning(TEXT("DShowPlugin: Failed to connect the audio device pin to the audio capture pin, result = %08lX"), err);
soundOutputType = 0;
}
}
if(FAILED(err = graph->QueryInterface(IID_IMediaControl, (void**)&control)))
{
AppWarning(TEXT("DShowPlugin: Failed to get IMediaControl, result = %08lX"), err);
goto cleanFinish;
}
if (bUseBuffering) {
if (!(hStopSampleEvent = CreateEvent(NULL, FALSE, FALSE, NULL))) {
AppWarning(TEXT("DShowPlugin: Failed to create stop event"), err);
goto cleanFinish;
}
if (!(hSampleThread = OSCreateThread((XTHREAD)SampleThread, this))) {
AppWarning(TEXT("DShowPlugin: Failed to create sample thread"), err);
goto cleanFinish;
}
}
if(soundOutputType == 1)
{
audioOut = new DeviceAudioSource;
audioOut->Initialize(this);
API->AddAudioSource(audioOut);
audioOut->SetAudioOffset(soundTimeOffset);
audioOut->SetVolume(volume);
}
bSucceeded = true;
cleanFinish:
SafeRelease(config);
SafeRelease(devicePin);
SafeRelease(audioPin);
for(UINT i=0; i<outputList.Num(); i++)
outputList[i].FreeData();
if(!bSucceeded)
{
bCapturing = false;
if(bAddedVideoCapture)
graph->RemoveFilter(captureFilter);
if(bAddedAudioCapture)
graph->RemoveFilter(audioFilter);
if(bAddedDevice)
{
if(!bDeviceHasAudio && audioDeviceFilter)
graph->RemoveFilter(audioDeviceFilter);
graph->RemoveFilter(deviceFilter);
}
SafeRelease(audioDeviceFilter);
SafeRelease(deviceFilter);
SafeRelease(captureFilter);
SafeRelease(audioFilter);
SafeRelease(control);
if (hSampleThread) {
SetEvent(hStopSampleEvent);
WaitForSingleObject(hSampleThread, INFINITE);
CloseHandle(hSampleThread);
hSampleThread = NULL;
}
if (hStopSampleEvent) {
CloseHandle(hStopSampleEvent);
hStopSampleEvent = NULL;
}
if(colorConvertShader)
{
delete colorConvertShader;
colorConvertShader = NULL;
}
if(audioOut)
{
delete audioOut;
audioOut = NULL;
}
if(lpImageBuffer)
{
Free(lpImageBuffer);
lpImageBuffer = NULL;
}
bReadyToDraw = true;
}
else
bReadyToDraw = false;
if(!renderCX) renderCX = 32;
if(!renderCY) renderCY = 32;
//-----------------------------------------------------
// create the texture regardless, will just show up as red to indicate failure
BYTE *textureData = (BYTE*)Allocate(renderCX*renderCY*4);
if(colorType == DeviceOutputType_RGB) //you may be confused, but when directshow outputs RGB, it's actually outputting BGR
{
msetd(textureData, 0xFFFF0000, renderCX*renderCY*4);
texture = CreateTexture(renderCX, renderCY, GS_BGR, textureData, FALSE, FALSE);
}
else //if we're working with planar YUV, we can just use regular RGB textures instead
{
msetd(textureData, 0xFF0000FF, renderCX*renderCY*4);
texture = CreateTexture(renderCX, renderCY, GS_RGB, textureData, FALSE, FALSE);
}
if(bSucceeded && bUseThreadedConversion)
{
if(colorType == DeviceOutputType_I420 || colorType == DeviceOutputType_YV12)
{
LPBYTE lpData;
if(texture->Map(lpData, texturePitch))
texture->Unmap();
else
texturePitch = renderCX*4;
lpImageBuffer = (LPBYTE)Allocate(texturePitch*renderCY);
}
}
Free(textureData);
bFiltersLoaded = bSucceeded;
return bSucceeded;
}
bool CCameraDS::OpenCamera(int nCamID, bool bDisplayProperties, int nWidth, int nHeight)
{
HRESULT hr = S_OK;
CoInitialize(NULL);
// Create the Filter Graph Manager.
hr = CoCreateInstance(CLSID_FilterGraph, NULL, CLSCTX_INPROC,
IID_IGraphBuilder, (void **)&m_pGraph);
hr = CoCreateInstance(CLSID_SampleGrabber, NULL, CLSCTX_INPROC_SERVER,
IID_IBaseFilter, (LPVOID *)&m_pSampleGrabberFilter);
hr = m_pGraph->QueryInterface(IID_IMediaControl, (void **) &m_pMediaControl);
hr = m_pGraph->QueryInterface(IID_IMediaEvent, (void **) &m_pMediaEvent);
hr = CoCreateInstance(CLSID_NullRenderer, NULL, CLSCTX_INPROC_SERVER,
IID_IBaseFilter, (LPVOID*) &m_pNullFilter);
hr = m_pGraph->AddFilter(m_pNullFilter, L"NullRenderer");
hr = m_pSampleGrabberFilter->QueryInterface(IID_ISampleGrabber, (void**)&m_pSampleGrabber);
AM_MEDIA_TYPE mt;
ZeroMemory(&mt, sizeof(AM_MEDIA_TYPE));
mt.majortype = MEDIATYPE_Video;
mt.subtype = MEDIASUBTYPE_RGB24;
mt.formattype = FORMAT_VideoInfo;
hr = m_pSampleGrabber->SetMediaType(&mt);
MYFREEMEDIATYPE(mt);
m_pGraph->AddFilter(m_pSampleGrabberFilter, L"Grabber");
// Bind Device Filter. We know the device because the id was passed in
BindFilter(nCamID, &m_pDeviceFilter);
m_pGraph->AddFilter(m_pDeviceFilter, NULL);
CComPtr<IEnumPins> pEnum;
m_pDeviceFilter->EnumPins(&pEnum);
hr = pEnum->Reset();
hr = pEnum->Next(1, &m_pCameraOutput, NULL);
pEnum = NULL;
m_pSampleGrabberFilter->EnumPins(&pEnum);
pEnum->Reset();
hr = pEnum->Next(1, &m_pGrabberInput, NULL);
pEnum = NULL;
m_pSampleGrabberFilter->EnumPins(&pEnum);
pEnum->Reset();
pEnum->Skip(1);
hr = pEnum->Next(1, &m_pGrabberOutput, NULL);
pEnum = NULL;
m_pNullFilter->EnumPins(&pEnum);
pEnum->Reset();
hr = pEnum->Next(1, &m_pNullInputPin, NULL);
//SetCrossBar();
if (bDisplayProperties)
{
CComPtr<ISpecifyPropertyPages> pPages;
HRESULT hr = m_pCameraOutput->QueryInterface(IID_ISpecifyPropertyPages, (void**)&pPages);
if (SUCCEEDED(hr))
{
PIN_INFO PinInfo;
m_pCameraOutput->QueryPinInfo(&PinInfo);
CAUUID caGUID;
pPages->GetPages(&caGUID);
OleCreatePropertyFrame(NULL, 0, 0,
L"Property Sheet", 1,
(IUnknown **)&(m_pCameraOutput.p),
caGUID.cElems,
caGUID.pElems,
0, 0, NULL);
CoTaskMemFree(caGUID.pElems);
PinInfo.pFilter->Release();
}
pPages = NULL;
}
else
{
//////////////////////////////////////////////////////////////////////////////
// 加入由 lWidth和lHeight设置的摄像头的宽和高 的功能，默认320*240
// by flymanbox @2009-01-24
//////////////////////////////////////////////////////////////////////////////
int _Width = nWidth, _Height = nHeight;
IAMStreamConfig* iconfig;
iconfig = NULL;
hr = m_pCameraOutput->QueryInterface(IID_IAMStreamConfig, (void**)&iconfig);
AM_MEDIA_TYPE* pmt;
if(iconfig->GetFormat(&pmt) !=S_OK)
{
//printf("GetFormat Failed ! \n");
return false;
}
VIDEOINFOHEADER* phead;
if ( pmt->formattype == FORMAT_VideoInfo)
{
phead=( VIDEOINFOHEADER*)pmt->pbFormat;
phead->bmiHeader.biWidth = _Width;
phead->bmiHeader.biHeight = _Height;
if(( hr=iconfig->SetFormat(pmt)) != S_OK )
{
return false;
}
}
iconfig->Release();
iconfig=NULL;
MYFREEMEDIATYPE(*pmt);
}
hr = m_pGraph->Connect(m_pCameraOutput, m_pGrabberInput);
hr = m_pGraph->Connect(m_pGrabberOutput, m_pNullInputPin);
if (FAILED(hr))
{
switch(hr)
{
case VFW_S_NOPREVIEWPIN :
break;
case E_FAIL :
break;
case E_INVALIDARG :
break;
case E_POINTER :
break;
}
}
m_pSampleGrabber->SetBufferSamples(TRUE);
m_pSampleGrabber->SetOneShot(TRUE);
hr = m_pSampleGrabber->GetConnectedMediaType(&mt);
if(FAILED(hr))
return false;
VIDEOINFOHEADER *videoHeader;
videoHeader = reinterpret_cast<VIDEOINFOHEADER*>(mt.pbFormat);
m_nWidth = videoHeader->bmiHeader.biWidth;
m_nHeight = videoHeader->bmiHeader.biHeight;
m_bConnected = true;
pEnum = NULL;
return true;
}
HRESULT videoInputCamera::setupDevice() {
comInit();
GUID CAPTURE_MODE = PIN_CATEGORY_CAPTURE; //Don't worry - it ends up being preview (which is faster)
//printf("SETUP: Setting up device %i\n",deviceID);
// CREATE THE GRAPH BUILDER //
// Create the filter graph manager and query for interfaces.
HRESULT hr = CoCreateInstance(CLSID_CaptureGraphBuilder2, NULL, CLSCTX_INPROC_SERVER, IID_ICaptureGraphBuilder2, (void **)&pCaptureGraphBuilder);
if (FAILED(hr)) // FAILED is a macro that tests the return value
{
printf("ERROR - Could not create the Filter Graph Manager\n");
return hr;
}
//FITLER GRAPH MANAGER//
// Create the Filter Graph Manager.
hr = CoCreateInstance(CLSID_FilterGraph, 0, CLSCTX_INPROC_SERVER,IID_IGraphBuilder, (void**)&pGraphBuilder);
if (FAILED(hr))
{
printf("ERROR - Could not add the graph builder!\n");
stopDevice();
return hr;
}
//SET THE FILTERGRAPH//
hr = pCaptureGraphBuilder->SetFiltergraph(pGraphBuilder);
if (FAILED(hr))
{
printf("ERROR - Could not set filtergraph\n");
stopDevice();
return hr;
}
//MEDIA CONTROL (START/STOPS STREAM)//
// Using QueryInterface on the graph builder,
// Get the Media Control object.
hr = pGraphBuilder->QueryInterface(IID_IMediaControl, (void **)&pMediaControl);
if (FAILED(hr))
{
printf("ERROR - Could not create the Media Control object\n");
stopDevice();
return hr;
}
char nDeviceName[255];
WCHAR wDeviceName[255];
memset(wDeviceName, 0, sizeof(WCHAR) * 255);
memset(nDeviceName, 0, sizeof(char) * 255);
//FIND VIDEO DEVICE AND ADD TO GRAPH//
//gets the device specified by the second argument.
hr = getDevice(&pInputFilter, cfg->device, wDeviceName, nDeviceName);
if (SUCCEEDED(hr)){
sprintf(cfg->name,nDeviceName);
//printf("SETUP: %s\n", nDeviceName);
hr = pGraphBuilder->AddFilter(pInputFilter, wDeviceName);
}else{
printf("ERROR - Could not find specified video device\n");
stopDevice();
return hr;
}
//LOOK FOR PREVIEW PIN IF THERE IS NONE THEN WE USE CAPTURE PIN AND THEN SMART TEE TO PREVIEW
IAMStreamConfig *streamConfTest = NULL;
hr = pCaptureGraphBuilder->FindInterface(&PIN_CATEGORY_PREVIEW, &MEDIATYPE_Video, pInputFilter, IID_IAMStreamConfig, (void **)&streamConfTest);
if(FAILED(hr)){
//printf("SETUP: Couldn't find preview pin using SmartTee\n");
}else{
CAPTURE_MODE = PIN_CATEGORY_PREVIEW;
streamConfTest->Release();
streamConfTest = NULL;
}
//CROSSBAR (SELECT PHYSICAL INPUT TYPE)//
//my own function that checks to see if the device can support a crossbar and if so it routes it.
//webcams tend not to have a crossbar so this function will also detect a webcams and not apply the crossbar
/*if(useCrossbar)
{
//printf("SETUP: Checking crossbar\n");
routeCrossbar(pCaptureGraphBuilder, pInputFilter, connection, CAPTURE_MODE);
}*/
//we do this because webcams don't have a preview mode
hr = pCaptureGraphBuilder->FindInterface(&CAPTURE_MODE, &MEDIATYPE_Video, pInputFilter, IID_IAMStreamConfig, (void **)&pStreamConfig);
if(FAILED(hr)){
printf("ERROR: Couldn't config the stream!\n");
stopDevice();
return hr;
}
//NOW LETS DEAL WITH GETTING THE RIGHT SIZE
hr = pStreamConfig->GetFormat(&pAmMediaType);
if(FAILED(hr)){
printf("ERROR: Couldn't getFormat for pAmMediaType!\n");
stopDevice();
return hr;
}
if (!setSizeAndSubtype()) return false;
VIDEOINFOHEADER *pVih = reinterpret_cast<VIDEOINFOHEADER*>(pAmMediaType->pbFormat);
cfg->cam_width = HEADER(pVih)->biWidth;
cfg->cam_height = HEADER(pVih)->biHeight;
cfg->cam_fps = ((int)floor(100000000.0f/(float)pVih->AvgTimePerFrame + 0.5f))/10.0f;
long bufferSize = cfg->cam_width*cfg->cam_height*3;
sgCallback->setupBuffer(bufferSize);
// Create the Sample Grabber.
hr = CoCreateInstance(CLSID_SampleGrabber, NULL, CLSCTX_INPROC_SERVER,IID_IBaseFilter, (void**)&pGrabberFilter);
if (FAILED(hr)){
printf("Could not Create Sample Grabber - CoCreateInstance()\n");
stopDevice();
return hr;
}
hr = pGraphBuilder->AddFilter(pGrabberFilter, L"Sample Grabber");
if (FAILED(hr)){
printf("Could not add Sample Grabber - AddFilter()\n");
stopDevice();
return hr;
}
hr = pGrabberFilter->QueryInterface(IID_ISampleGrabber, (void**)&pSampleGrabber);
if (FAILED(hr)){
printf("ERROR: Could not query SampleGrabber\n");
stopDevice();
return hr;
}
//Get video properties from the stream's mediatype and apply to the grabber (otherwise we don't get an RGB image)
AM_MEDIA_TYPE mt;
ZeroMemory(&mt,sizeof(AM_MEDIA_TYPE));
mt.majortype = MEDIATYPE_Video;
mt.subtype = MEDIASUBTYPE_RGB24;
//mt.subtype = MEDIASUBTYPE_YUY2;
mt.formattype = FORMAT_VideoInfo;
//Set Params - One Shot should be false unless you want to capture just one buffer
hr = pSampleGrabber->SetMediaType(&mt);
hr = pSampleGrabber->SetOneShot(FALSE);
hr = pSampleGrabber->SetBufferSamples(FALSE);
//Tell the grabber to use our callback function - 0 is for SampleCB and 1 for BufferCB
//We use SampleCB
hr = pSampleGrabber->SetCallback(sgCallback, 0);
if (FAILED(hr)) {
printf("ERROR: problem setting callback\n");
stopDevice();
return hr;
} /*else {
printf("SETUP: Capture callback set\n");
}*/
//lets try freeing our stream conf here too
//this will fail if the device is already running
/* if(pStreamConfig) {
pStreamConfig->Release();
pStreamConfig = NULL;
} else {
printf("ERROR: connecting device - prehaps it is already being used?\n");
stopDevice();
return S_FALSE;
}*/
//used to give the video stream somewhere to go to.
hr = CoCreateInstance(CLSID_NullRenderer, NULL, CLSCTX_INPROC_SERVER, IID_IBaseFilter, (void**)(&pDestFilter));
if (FAILED(hr)){
printf("ERROR: Could not create filter - NullRenderer\n");
stopDevice();
return hr;
}
hr = pGraphBuilder->AddFilter(pDestFilter, L"NullRenderer");
if (FAILED(hr)){
printf("ERROR: Could not add filter - NullRenderer\n");
stopDevice();
return hr;
}
//This is where the stream gets put together.
hr = pCaptureGraphBuilder->RenderStream(&PIN_CATEGORY_PREVIEW, &MEDIATYPE_Video, pInputFilter, pGrabberFilter, pDestFilter);
if (FAILED(hr)){
printf("ERROR: Could not connect pins - RenderStream()\n");
stopDevice();
return hr;
}
//EXP - lets try setting the sync source to null - and make it run as fast as possible
{
IMediaFilter *pMediaFilter = 0;
hr = pGraphBuilder->QueryInterface(IID_IMediaFilter, (void**)&pMediaFilter);
if (FAILED(hr)){
printf("ERROR: Could not get IID_IMediaFilter interface\n");
}else{
pMediaFilter->SetSyncSource(NULL);
pMediaFilter->Release();
}
}
//printf("SETUP: Device is setup and ready to capture.\n\n");
//if we release this then we don't have access to the settings
//we release our video input filter but then reconnect with it
//each time we need to use it
//pInputFilter->Release();
//pInputFilter = NULL;
pGrabberFilter->Release();
pGrabberFilter = NULL;
pDestFilter->Release();
pDestFilter = NULL;
return S_OK;
}
