public static string GetFourCCStr(_BMDPixelFormat pixFormat)
{
string fourCCStr = "";
if (pixFormat == _BMDPixelFormat.bmdFormat8BitARGB)
{
fourCCStr = "ARGB";
}
else if (pixFormat == _BMDPixelFormat.bmdFormatUnspecified)
{
fourCCStr = "";
}
else
{
long format = (long)pixFormat;
byte[] fourBytes = new byte[]
{
(byte)(format >> 24),
(byte)(format >> 16),
(byte)(format >> 8),
(byte)(format)
};
fourCCStr = Encoding.ASCII.GetString(fourBytes);
}
return(fourCCStr);
}
public bool IsVideoModeSupported(IDeckLinkDisplayMode displayMode, _BMDPixelFormat pixelFormat)
{
_BMDDisplayModeSupport displayModeSupport;
IDeckLinkDisplayMode resultDisplayMode;
m_deckLinkInput.DoesSupportVideoMode(displayMode.GetDisplayMode(), pixelFormat, InputFlags, out displayModeSupport, out resultDisplayMode);
return(displayModeSupport == _BMDDisplayModeSupport.bmdDisplayModeSupported);
}
public bool IsVideoModeSupported(IDeckLinkDisplayMode displayMode, _BMDPixelFormat pixelFormat)
{
_BMDDisplayModeSupport displayModeSupport;
IDeckLinkDisplayMode resultDisplayMode;
m_deckLinkOutput.DoesSupportVideoMode(displayMode.GetDisplayMode(), pixelFormat, _BMDVideoOutputFlags.bmdVideoOutputFlagDefault, out displayModeSupport, out resultDisplayMode);
return(displayModeSupport != _BMDDisplayModeSupport.bmdDisplayModeNotSupported);
}
private void comboBoxPixelFormat_SelectedIndexChanged(object sender, EventArgs e)
{
if (comboBoxPixelFormat.SelectedIndex < 0)
{
return;
}
m_selectedPixelFormat = ((StringObjectPair <_BMDPixelFormat>)comboBoxPixelFormat.SelectedItem).value;
}
public static VideoFormat GetVideoFormat(_BMDPixelFormat pixFormat)
{
VideoFormat format = null;
if (SupportedPixelFormats.ContainsKey(pixFormat))
{
format = SupportedPixelFormats[pixFormat];
}
return(format);
}
private void comboBoxPixelFormat_SelectedValueChanged(object sender, EventArgs e)
{
if (comboBoxPixelFormat.SelectedIndex < 0)
{
return;
}
m_pixelFormat = ((StringObjectPair <_BMDPixelFormat>)comboBoxPixelFormat.SelectedItem).value;
// Update the video mode popup menu
RefreshVideoModeList();
}
public bool IsVideoModeSupported(IDeckLinkDisplayMode displayMode, _BMDPixelFormat pixelFormat)
{
try
{
m_deckLinkOutput.DoesSupportVideoMode((_BMDVideoConnection)0, displayMode.GetDisplayMode(), pixelFormat, _BMDVideoOutputConversionMode.bmdNoVideoOutputConversion, _BMDSupportedVideoModeFlags.bmdSupportedVideoModeDefault, out _BMDDisplayMode resultDisplayMode, out int supported);
}
catch (Exception)
{
supported = 0;
}
return(Convert.ToBoolean(supported));
}
public bool IsVideoModeSupported(IDeckLinkDisplayMode displayMode, _BMDPixelFormat pixelFormat)
{
int supported = 0;
try
{
m_deckLinkInput.DoesSupportVideoMode((_BMDVideoConnection)0, displayMode.GetDisplayMode(), pixelFormat, _BMDVideoInputConversionMode.bmdNoVideoInputConversion, _BMDSupportedVideoModeFlags.bmdSupportedVideoModeDefault, out _, out supported);
}
catch (Exception)
{
supported = 0;
}
return(supported != 0);
}
public bool IsVideoModeSupported(IDeckLinkDisplayMode displayMode, _BMDPixelFormat pixelFormat)
{
_BMDDisplayMode resultDisplayMode;
int supported;
try
{
m_deckLinkOutput.DoesSupportVideoMode((_BMDVideoConnection)0, displayMode.GetDisplayMode(), pixelFormat, _BMDSupportedVideoModeFlags.bmdSupportedVideoModeDefault, out resultDisplayMode, out supported);
}
catch (Exception)
{
supported = 0;
}
return(supported != 0);
}
public SignalGenerator()
{
InitializeComponent();
m_running = false;
m_deckLinkDiscovery = new DeckLinkDeviceDiscovery();
m_deckLinkDiscovery.DeviceArrived += new DeckLinkDiscoveryHandler((d) => this.Invoke((Action)(() => AddDevice(d))));
m_deckLinkDiscovery.DeviceRemoved += new DeckLinkDiscoveryHandler((d) => this.Invoke((Action)(() => RemoveDevice(d))));
InitDialog();
previewWindow.InitD3D();
m_pixelFormat = ((StringObjectPair <_BMDPixelFormat>)comboBoxPixelFormat.SelectedItem).value;
}
public OutputGenerator()
{
InitializeComponent();
m_running = false;
m_deckLinkDiscovery = new DeckLinkDeviceDiscovery();
m_deckLinkDiscovery.DeviceArrived += new DeckLinkDiscoveryHandler((d) => this.Invoke((Action)(() => AddDevice(d))));
m_deckLinkDiscovery.DeviceRemoved += new DeckLinkDiscoveryHandler((d) => this.Invoke((Action)(() => RemoveDevice(d))));
m_pixelFormat = _BMDPixelFormat.bmdFormat10BitRGB; //jede, duhové barvy 10bit
m_pixelFormat = _BMDPixelFormat.bmdFormat10BitYUV; //jede, pruhy svisle 10bit
m_pixelFormat = _BMDPixelFormat.bmdFormat8BitYUV; //jede, pruhy...
m_pixelFormat = _BMDPixelFormat.bmdFormat8BitBGRA; //správné pořadí, ale nejede...
m_pixelFormat = _BMDPixelFormat.bmdFormat8BitARGB;
m_audioSampleDepth = _BMDAudioSampleType.bmdAudioSampleType16bitInteger;
}
public static bool ValidateAndCorrectPixelFormat(ref _BMDPixelFormat fmt)
{
logger.Debug("ValidateAndCorrectFormat(...)" + fmt);
bool supported = true;
if (IsRgbFormat(fmt))
{//
fmt = _BMDPixelFormat.bmdFormat8BitBGRA;
}
else if (fmt == _BMDPixelFormat.bmdFormat10BitYUV ||
fmt == _BMDPixelFormat.bmdFormat8BitYUV ||
fmt == _BMDPixelFormat.bmdFormatUnspecified)
{
fmt = _BMDPixelFormat.bmdFormat8BitYUV;
}
else
{
// not supported...
supported = false;
}
return(supported);
}
public static PixelFormat ToPixelFormat(this _BMDPixelFormat pixelFormat)
{
switch (pixelFormat)
{
case _BMDPixelFormat.bmdFormatUnspecified:
return(PixelFormat.None);
case _BMDPixelFormat.bmdFormat8BitYUV:
break;
case _BMDPixelFormat.bmdFormat10BitYUV:
break;
case _BMDPixelFormat.bmdFormat8BitARGB:
return(PixelFormat.B8G8R8A8_UNorm_SRgb);
case _BMDPixelFormat.bmdFormat8BitBGRA:
return(PixelFormat.B8G8R8A8_UNorm_SRgb);
case _BMDPixelFormat.bmdFormat10BitRGB:
break;
case _BMDPixelFormat.bmdFormat12BitRGB:
break;
case _BMDPixelFormat.bmdFormat12BitRGBLE:
break;
case _BMDPixelFormat.bmdFormat10BitXYZ:
break;
case _BMDPixelFormat.bmdFormat8BitRGBA:
return(PixelFormat.R8G8B8A8_UNorm_SRgb);
case _BMDPixelFormat.bmdFormat10BitRGBXLE:
break;
case _BMDPixelFormat.bmdFormat10BitRGBX:
break;
case _BMDPixelFormat.bmdFormat10BitRGBXLE_FULL:
break;
case _BMDPixelFormat.bmdFormat10BitRGBX_FULL:
break;
case _BMDPixelFormat.bmdFormatProRes4444XQ:
break;
case _BMDPixelFormat.bmdFormatProRes4444:
break;
case _BMDPixelFormat.bmdFormatProResHQ:
break;
case _BMDPixelFormat.bmdFormatProRes:
break;
case _BMDPixelFormat.bmdFormatProResLT:
break;
case _BMDPixelFormat.bmdFormatProResProxy:
break;
case _BMDPixelFormat.bmdFormatH265:
break;
case _BMDPixelFormat.bmdFormatDNxHD:
break;
case _BMDPixelFormat.bmdFormatDNxHR:
break;
case _BMDPixelFormat.bmdFormat12BitRAWGRBG:
break;
case _BMDPixelFormat.bmdFormat12BitRAWJPEG:
break;
default:
break;
}
return(PixelFormat.None);
}
private IDeckLinkMutableVideoFrame CreateOutputVideoFrame(Action <IDeckLinkVideoFrame> fillFrame, _BMDPixelFormat fillerPxFormat = _BMDPixelFormat.bmdFormat8BitYUV)
{
IDeckLinkMutableVideoFrame referenceFrame = null;
IDeckLinkMutableVideoFrame scheduleFrame = null;
m_selectedDevice.deckLinkOutput.CreateVideoFrame(m_frameWidth, m_frameHeight, m_frameWidth * bytesPerPixel, m_pixelFormat, _BMDFrameFlags.bmdFrameFlagDefault, out scheduleFrame);
if (m_pixelFormat == fillerPxFormat)
{
// Fill 8-bit YUV directly without conversion
fillFrame(scheduleFrame);
}
else
{
int bpp = 4;
if (fillerPxFormat == _BMDPixelFormat.bmdFormat8BitYUV)
{
bpp = 2;
}
// Pixel formats are different, first generate 8-bit YUV bars frame and convert to required format
m_selectedDevice.deckLinkOutput.CreateVideoFrame(m_frameWidth, m_frameHeight, m_frameWidth * bpp, fillerPxFormat, _BMDFrameFlags.bmdFrameFlagDefault, out referenceFrame);
fillFrame(referenceFrame);
try
{
frameConverter.ConvertFrame(referenceFrame, scheduleFrame);
}
catch
{
return(referenceFrame);
}
}
return(scheduleFrame);
}
public void StartRunning()
{
// m_selectedDevice.VideoFrameCompleted += new DeckLinkVideoOutputHandler((b) => this.BeginInvoke((Action)(() => { ScheduleNextFrame(b); })));
m_selectedDevice.AudioOutputRequested += new DeckLinkAudioOutputHandler(() => this.BeginInvoke((Action)(() => { WriteNextAudioSamples(); })));
m_selectedDevice.PlaybackStopped += new DeckLinkPlaybackStoppedHandler(() => this.BeginInvoke((Action)(() => { DisableOutput(); })));
m_audioChannelCount = 16;
m_audioSampleDepth = _BMDAudioSampleType.bmdAudioSampleType16bitInteger;
m_audioSampleRate = _BMDAudioSampleRate.bmdAudioSampleRate48kHz;
//
//- Extract the IDeckLinkDisplayMode from the display mode popup menu
IDeckLinkDisplayMode videoDisplayMode;
videoDisplayMode = ((DisplayModeEntry)comboBoxVideoFormat.SelectedItem).displayMode;
m_frameWidth = videoDisplayMode.GetWidth();
m_frameHeight = videoDisplayMode.GetHeight();
videoDisplayMode.GetFrameRate(out m_frameDuration, out m_frameTimescale);
// Calculate the number of frames per second, rounded up to the nearest integer. For example, for NTSC (29.97 FPS), framesPerSecond == 30.
m_framesPerSecond = (uint)((m_frameTimescale + (m_frameDuration - 1)) / m_frameDuration);
var mode = videoDisplayMode.GetDisplayMode();
// Set the video output mode
m_selectedDevice.deckLinkOutput.EnableVideoOutput(videoDisplayMode.GetDisplayMode(), _BMDVideoOutputFlags.bmdVideoOutputFlagDefault);
// Set the audio output mode
m_selectedDevice.deckLinkOutput.EnableAudioOutput(m_audioSampleRate, m_audioSampleDepth, m_audioChannelCount, _BMDAudioOutputStreamType.bmdAudioOutputStreamContinuous);
// Generate one second of audio
m_audioBufferSampleLength = (uint)(m_framesPerSecond * audioSamplesPerFrame());
int m_audioBufferDataLength = (int)(m_audioBufferSampleLength * audioDataPerSample());
m_audioBuffer = Marshal.AllocCoTaskMem(m_audioBufferDataLength);
m_audioBufferAllocated = true;
lock (m_selectedDevice)
{
// Zero the buffer (interpreted as audio silence)
for (int i = 0; i < m_audioBufferDataLength; i++)
{
Marshal.WriteInt32(m_audioBuffer, i, 0);
}
FillSine(new IntPtr(m_audioBuffer.ToInt64()), m_audioBufferSampleLength, m_audioChannelCount, m_audioSampleDepth);
m_audioBufferReadOffset = 0;
m_audioBufferWriteOffset = 0;
}
m_videoFrameARGBBars = CreateOutputVideoFrame(FillBGRAColourBars, _BMDPixelFormat.bmdFormat8BitARGB);
m_videoFrame = CreateOutputVideoFrame(FillARGBColourBars, _BMDPixelFormat.bmdFormat8BitARGB);
m_videoFrameBars = CreateOutputVideoFrame(FillColourBars);
m_pixelFormat = _BMDPixelFormat.bmdFormat8BitBGRA;
m_videoFrameBGRA = CreateOutputVideoFrame(FillColourBars);
m_videoFrameBGRABars = CreateOutputVideoFrame(FillBGRAColourBars, _BMDPixelFormat.bmdFormat8BitBGRA);
m_pixelFormat = _BMDPixelFormat.bmdFormat8BitARGB;
m_running = true;
buttonStartStop.Text = "Stop";
// Begin video preroll by scheduling a second of frames in hardware
m_totalFramesScheduled = 0;
for (uint i = 0; i < m_prerollFrames; i++)
{
ScheduleNextFrame(true);
}
// Begin audio preroll. This will begin calling our audio callback, which will then start the DeckLink output stream - StartScheduledPlayback.
m_selectedDevice.deckLinkOutput.BeginAudioPreroll();
// StopRunning();
}
public DeckLinkInputFormatChangedEventArgs(_BMDVideoInputFormatChangedEvents notificationEvents, _BMDDisplayMode displayMode, _BMDPixelFormat pixelFormat)
{
this.notificationEvents = notificationEvents;
this.displayMode = displayMode;
this.pixelFormat = pixelFormat;
}
public static bool IsRgbFormat(_BMDPixelFormat fmt)
{
return(RGBPixelFormats.Contains(fmt));
}
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);
}
