public DeckLinkDevice(IDeckLink deckLink)
{
this.deckLink = deckLink;
// Get input interface
try
{
deckLinkInput = (IDeckLinkInput)this.deckLink;
deckLinkStatus = (IDeckLinkStatus)this.deckLink;
bool videoInputSignalLocked = false;
deckLinkStatus.GetFlag(_BMDDeckLinkStatusID.bmdDeckLinkStatusVideoInputSignalLocked, out int videoInputSignalLockedFlag);
videoInputSignalLocked = (videoInputSignalLockedFlag != 0);
if (videoInputSignalLocked)
{
throw new Exception("Video input locked");
}
this.deckLink.GetDisplayName(out deviceName);
this.deckLink.GetModelName(out modelName);
var deckLinkAttributes = (IDeckLinkProfileAttributes)deckLink;
deckLinkAttributes.GetFlag(_BMDDeckLinkAttributeID.BMDDeckLinkSupportsInputFormatDetection, out int supportsFormatDetectionFlag);
supportsFormatDetection = (supportsFormatDetectionFlag != 0);
logger.Debug("------------------------- " + deviceName + " -------------------------");
IDeckLinkDisplayModeIterator iterator = null;
deckLinkInput.GetDisplayModeIterator(out iterator);
IDeckLinkDisplayMode displayMode = null;
do
{
if (iterator != null)
{
iterator.Next(out displayMode);
if (displayMode != null)
{
displayMode.GetName(out string displayName);
displayMode.GetFrameRate(out long frameDuration, out long timeScale);
int width = displayMode.GetWidth();
int height = displayMode.GetHeight();
var bdmDisplayMode = displayMode.GetDisplayMode();
var displayModeFlags = displayMode.GetFlags();
var fieldDominance = displayMode.GetFieldDominance();
var resolution = width + "x" + height;
// var log = string.Join(", " , displayName, resolution, bdmDisplayMode, displayModeFlags, frameDuration, timeScale, fieldDominance);
var videoModeFlags = _BMDSupportedVideoModeFlags.bmdSupportedVideoModeDefault;
//var allPixelFormats = Enum.GetValues(typeof(_BMDPixelFormat));
var formatLog = "";
foreach (var fmtObj in pixelFormats)
{
var pixelFormat = (_BMDPixelFormat)fmtObj;
deckLinkInput.DoesSupportVideoMode(_BMDVideoConnection.bmdVideoConnectionHDMI, bdmDisplayMode, pixelFormat, videoModeFlags, out int supported);
if (supported != 0)
{
formatLog += " " + pixelFormat;
}
}
var log = string.Join(", ", displayName, resolution);
logger.Debug(displayName + " " + resolution + " (" + formatLog + ")");
}
else
{
break;
}
}
}while (displayMode != null);
logger.Debug("-----------------------------------------------------");
}
catch (InvalidCastException)
{
// No output interface found, eg in case of DeckLink Mini Monitor
return;
}
}
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);
}
