public void StartCapture(_BMDDisplayMode mode, IDeckLinkScreenPreviewCallback screenPreviewCallback, bool applyDetectedInputMode) { logger.Debug("StartCapture(...) " + mode); if (currentlyCapturing) { return; } deckLinkInput.GetDisplayMode(_BMDDisplayMode.bmdModeHD1080i5994, out IDeckLinkDisplayMode displayMode); StartCapture(displayMode, screenPreviewCallback, applyDetectedInputMode); }
internal DeckLinkDeviceDescription GetDeviceDescription() { if (!initialized) { return(null); } DeckLinkDeviceDescription deviceDescription = null; deckLink.GetDisplayName(out string deviceName); deckLinkAttrs.GetString(_BMDDeckLinkAttributeID.BMDDeckLinkDeviceHandle, out string deviceHandle); deckLinkStatus.GetFlag(_BMDDeckLinkStatusID.bmdDeckLinkStatusVideoInputSignalLocked, out int videoInputSignalLockedFlag); bool available = (videoInputSignalLockedFlag != 0); deckLinkStatus.GetInt(_BMDDeckLinkStatusID.bmdDeckLinkStatusBusy, out long deviceBusyStateFlag); _BMDDeviceBusyState deviceBusyState = (_BMDDeviceBusyState)deviceBusyStateFlag; bool isBusy = (deviceBusyState == _BMDDeviceBusyState.bmdDeviceCaptureBusy); deckLinkStatus.GetInt(_BMDDeckLinkStatusID.bmdDeckLinkStatusCurrentVideoInputMode, out long bmdDeckLinkStatusCurrentVideoInputModeFlag); _BMDDisplayMode displayModeId = (_BMDDisplayMode)bmdDeckLinkStatusCurrentVideoInputModeFlag; deckLinkStatus.GetInt(_BMDDeckLinkStatusID.bmdDeckLinkStatusCurrentVideoInputPixelFormat, out long currentVideoInputPixelFormatFlag); _BMDPixelFormat pixelFormat = (_BMDPixelFormat)currentVideoInputPixelFormatFlag; DeckLinkDisplayModeDescription displayDescription = null; IDeckLinkDisplayMode displayMode = null; try { deckLinkInput.GetDisplayMode(displayModeId, out displayMode); int width = displayMode.GetWidth(); int height = displayMode.GetHeight(); displayMode.GetFrameRate(out long duration, out long scale); displayMode.GetName(out string displayName); displayDescription = new DeckLinkDisplayModeDescription { Width = width, Height = height, PixFmt = (long)pixelFormat, Fps = ((double)scale / duration), Description = displayName, }; } finally { if (displayMode != null) { Marshal.ReleaseComObject(displayMode); } } deviceDescription = new DeckLinkDeviceDescription { DeviceHandle = deviceHandle, DeviceName = deviceName, Available = available, IsBusy = isBusy, DisplayModeIds = new List <DeckLinkDisplayModeDescription> { displayDescription }, }; return(deviceDescription); }