diff options
Diffstat (limited to 'src/plugins/directshow/camera/dscamerasession.cpp')
| -rw-r--r-- | src/plugins/directshow/camera/dscamerasession.cpp | 51 |
1 files changed, 15 insertions, 36 deletions
diff --git a/src/plugins/directshow/camera/dscamerasession.cpp b/src/plugins/directshow/camera/dscamerasession.cpp index 267e7a9a4..a0c120816 100644 --- a/src/plugins/directshow/camera/dscamerasession.cpp +++ b/src/plugins/directshow/camera/dscamerasession.cpp @@ -58,23 +58,6 @@ QT_BEGIN_NAMESPACE DSCameraSession::DSCameraSession(QObject *parent) : QObject(parent) - , m_graphBuilder(nullptr) - , m_filterGraph(nullptr) - , m_sourceDeviceName(QLatin1String("default")) - , m_sourceFilter(nullptr) - , m_needsHorizontalMirroring(false) - , m_previewSampleGrabber(nullptr) - , m_nullRendererFilter(nullptr) - , m_previewStarted(false) - , m_surface(nullptr) - , m_previewPixelFormat(QVideoFrame::Format_Invalid) - , m_stride(-1) - , m_readyForCapture(false) - , m_imageIdCounter(0) - , m_currentImageId(-1) - , m_captureDestinations(QCameraImageCapture::CaptureToFile) - , m_videoProbeControl(nullptr) - , m_status(QCamera::UnloadedStatus) { connect(this, &DSCameraSession::statusChanged, this, &DSCameraSession::updateReadyForCapture); @@ -284,7 +267,7 @@ void DSCameraSession::setImageProcessingParameter( ImageProcessingParameterInfo>::iterator sourceValueInfo = m_imageProcessingParametersInfos.find(resultingParameter); - if (sourceValueInfo == m_imageProcessingParametersInfos.constEnd()) + if (sourceValueInfo == m_imageProcessingParametersInfos.end()) return; LONG sourceValue = 0; @@ -464,7 +447,7 @@ bool DSCameraSession::startPreview() QString errorString; HRESULT hr = S_OK; - IMediaControl* pControl = 0; + IMediaControl* pControl = nullptr; if (!configurePreviewFormat()) { errorString = tr("Failed to configure preview format"); @@ -516,7 +499,7 @@ bool DSCameraSession::stopPreview() m_previewSampleGrabber->stop(); QString errorString; - IMediaControl* pControl = 0; + IMediaControl* pControl = nullptr; HRESULT hr = m_filterGraph->QueryInterface(IID_IMediaControl, reinterpret_cast<void**>(&pControl)); if (FAILED(hr)) { @@ -740,12 +723,12 @@ bool DSCameraSession::createFilterGraph() pDevEnum->Release(); if (S_OK == hr) { pEnum->Reset(); - IMalloc *mallocInterface = 0; + IMalloc *mallocInterface = nullptr; CoGetMalloc(1, (LPMALLOC*)&mallocInterface); //go through and find all video capture devices while (pEnum->Next(1, &pMoniker, nullptr) == S_OK) { - BSTR strName = 0; + BSTR strName = nullptr; hr = pMoniker->GetDisplayName(nullptr, nullptr, &strName); if (SUCCEEDED(hr)) { QString output = QString::fromWCharArray(strName); @@ -769,7 +752,7 @@ bool DSCameraSession::createFilterGraph() pEnum->Reset(); // still have to loop to discard bind to storage failure case while (pEnum->Next(1, &pMoniker, nullptr) == S_OK) { - IPropertyBag *pPropBag = 0; + IPropertyBag *pPropBag = nullptr; hr = pMoniker->BindToStorage(nullptr, nullptr, IID_IPropertyBag, reinterpret_cast<void**>(&pPropBag)); @@ -780,17 +763,13 @@ bool DSCameraSession::createFilterGraph() // No need to get the description, just grab it - hr = pMoniker->BindToObject(0, 0, IID_IBaseFilter, + hr = pMoniker->BindToObject(nullptr, nullptr, IID_IBaseFilter, reinterpret_cast<void**>(&m_sourceFilter)); pPropBag->Release(); pMoniker->Release(); - if (SUCCEEDED(hr)) { + if (SUCCEEDED(hr)) break; // done, stop looping through - } - else - { - qWarning() << "Object bind failed"; - } + qWarning("Object bind failed"); } } } @@ -898,7 +877,7 @@ bool DSCameraSession::configurePreviewFormat() m_stride = DirectShowMediaType::bytesPerLine(m_previewSurfaceFormat); HRESULT hr; - IAMStreamConfig* pConfig = 0; + IAMStreamConfig* pConfig = nullptr; hr = m_graphBuilder->FindInterface(&PIN_CATEGORY_CAPTURE, &MEDIATYPE_Video, m_sourceFilter, IID_IAMStreamConfig, reinterpret_cast<void**>(&pConfig)); @@ -1064,21 +1043,21 @@ void DSCameraSession::updateSourceCapabilities() AM_MEDIA_TYPE *pmt = nullptr; VIDEOINFOHEADER *pvi = nullptr; VIDEO_STREAM_CONFIG_CAPS scc; - IAMStreamConfig* pConfig = 0; + IAMStreamConfig* pConfig = nullptr; m_supportedViewfinderSettings.clear(); m_needsHorizontalMirroring = false; m_supportedFormats.clear(); m_imageProcessingParametersInfos.clear(); - IAMVideoControl *pVideoControl = 0; + IAMVideoControl *pVideoControl = nullptr; hr = m_graphBuilder->FindInterface(&PIN_CATEGORY_CAPTURE, &MEDIATYPE_Video, m_sourceFilter, IID_IAMVideoControl, reinterpret_cast<void**>(&pVideoControl)); if (FAILED(hr)) { qWarning() << "Failed to get the video control"; } else { - IPin *pPin = 0; + IPin *pPin = nullptr; if (!DirectShowUtils::getPin(m_sourceFilter, PINDIR_OUTPUT, &pPin, &hr)) { qWarning() << "Failed to get the pin for the video control"; } else { @@ -1130,12 +1109,12 @@ void DSCameraSession::updateSourceCapabilities() QList<QCamera::FrameRateRange> frameRateRanges; if (pVideoControl) { - IPin *pPin = 0; + IPin *pPin = nullptr; if (!DirectShowUtils::getPin(m_sourceFilter, PINDIR_OUTPUT, &pPin, &hr)) { qWarning() << "Failed to get the pin for the video control"; } else { long listSize = 0; - LONGLONG *frameRates = 0; + LONGLONG *frameRates = nullptr; SIZE size = { resolution.width(), resolution.height() }; hr = pVideoControl->GetFrameRateList(pPin, iIndex, size, &listSize, &frameRates); if (hr == S_OK && listSize > 0 && frameRates) { |