public void Open(DeviceRegister.DeviceIndex device, _BMDDisplayMode mode, _BMDVideoInputFlags flags)
{
if (Ready)
Close();
WorkerThread.Singleton.PerformBlocking(() =>
{
this.Lock.AcquireWriterLock(10000);
try
{
if (device == null)
throw (new Exception("No device selected"));
IDeckLink rawDevice = DeviceRegister.Singleton.GetDeviceHandle(device.Index);
FDevice = rawDevice as IDeckLinkInput;
FOutDevice = rawDevice as IDeckLinkOutput;
FMode = mode;
FFlags = flags;
FConverter = new CDeckLinkVideoConversion();
if (FDevice == null)
throw (new Exception("No input device connected"));
_BMDDisplayModeSupport displayModeSupported;
FDevice.DoesSupportVideoMode(FMode, FPixelFormat, flags, out displayModeSupported, out FDisplayMode);
Width = FDisplayMode.GetWidth();
Height = FDisplayMode.GetHeight();
// inspiration http://dviz.googlecode.com/svn/trunk/src/livemix/CameraThread.cpp
FOutDevice.CreateVideoFrame(Width,
Height,
Width * 4,
_BMDPixelFormat.bmdFormat8BitBGRA,
_BMDFrameFlags.bmdFrameFlagDefault,
out rgbFrame);
FDevice.EnableVideoInput(FMode, FPixelFormat, FFlags);
FDevice.SetCallback(this);
FDevice.StartStreams();
Reinitialise = true;
Ready = true;
FreshData = false;
}
catch (Exception e)
{
Ready = false;
Reinitialise = false;
FreshData = false;
throw;
}
finally
{
this.Lock.ReleaseWriterLock();
}
});
}
public DLDirect(IDeckLink deckLink, IDeckLinkDisplayMode displayMode)
{
PreRollFrameCount = 4;
this.displayMode = displayMode;
this.m_deckLink = deckLink;
DisplayWidth = displayMode.GetWidth();
DisplayHeight = displayMode.GetHeight();
m_running = false;
// Get the IDeckLinkOutput interface
m_deckLinkOutput = (IDeckLinkOutput)m_deckLink;
// Provide this class as a delegate to the audio and video output interfaces
m_deckLinkOutput.SetScheduledFrameCompletionCallback(this);
m_frameWidth = displayMode.GetWidth();
m_frameHeight = displayMode.GetHeight();
displayMode.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);
FPS = (int)m_framesPerSecond;
// Set the video output mode
m_deckLinkOutput.EnableVideoOutput(displayMode.GetDisplayMode(), _BMDVideoOutputFlags.bmdVideoOutputFlagDefault);
// Generate the frame used for playback
m_deckLinkOutput.CreateVideoFrame(m_frameWidth, m_frameHeight, m_frameWidth * 4, _BMDPixelFormat.bmdFormat8BitBGRA, _BMDFrameFlags.bmdFrameFlagDefault, out m_videoFramePlayback);
m_totalFramesScheduled = 0;
}
public static List <DisplayModeItem> GetDisplayModeItems(IDeckLink m_deckLink)
{
List <DisplayModeItem> outList = new List <DisplayModeItem>();
IDeckLinkOutput m_deckLinkOutput = (IDeckLinkOutput)m_deckLink;
IDeckLinkDisplayModeIterator displayModeIterator;
m_deckLinkOutput.GetDisplayModeIterator(out displayModeIterator);
while (true)
{
IDeckLinkDisplayMode deckLinkDisplayMode;
displayModeIterator.Next(out deckLinkDisplayMode);
if (deckLinkDisplayMode == null)
{
break;
}
outList.Add(new DisplayModeItem(deckLinkDisplayMode));
}
return(outList);
}
private void InitDecklink(int CardIndex)
{
int width, height;
IDeckLinkDisplayMode displayMode;
//Set the card display Mode
displayMode = _devices[0].GetDisplayMode(VideoMode);
//Get the timing information
displayMode.GetFrameRate(out _frameDuration, out _frameTimescale);
_fps = ((_frameTimescale + (_frameDuration - 1)) / _frameDuration);
//Get the output interface from the device Index
_deckLinkOutput = _devices[CardIndex].DeckLinkOutput;
width = displayMode.GetWidth();
height = displayMode.GetHeight();
//Set up a pointer to a video frame
//with the hight and width
_deckLinkOutput.CreateVideoFrame(width, height, (width * 4),
_BMDPixelFormat.bmdFormat8BitBGRA,
_BMDFrameFlags.bmdFrameFlagFlipVertical,
out _videoFrame);
//Tell the card to enable output
_deckLinkOutput.EnableVideoOutput(displayMode.GetDisplayMode(),
_BMDVideoOutputFlags.bmdVideoOutputFlagDefault);
Console.WriteLine("Using Card index:" + CardIndex);
}
public DeckLinkOutputDevice(IDeckLink deckLink) : base(deckLink)
{
if (!PlaybackDevice)
{
throw new DeckLinkOutputInvalidException();
}
// Query output interface
m_deckLinkOutput = (IDeckLinkOutput)deckLink;
// Provide the delegate to the audio and video output interfaces
m_deckLinkOutput.SetScheduledFrameCompletionCallback(this);
m_deckLinkOutput.SetAudioCallback(this);
}
public DeckLinkRenderer(IDeckLinkOutput newDeckLinkOutput, IDeckLinkDisplayMode newDisplayMode)
{
running = false;
deckLinkOutput = newDeckLinkOutput;
displayMode = newDisplayMode;
frameWidth = displayMode.GetWidth();
frameHeight = displayMode.GetHeight();
displayMode.GetFrameRate(out frameDuration, out frameTimescale);
framesPerSecond = (uint)((frameTimescale + (frameDuration - 1)) / frameDuration);
deckLinkOutput.SetScreenPreviewCallback(this);
deckLinkOutput.SetScheduledFrameCompletionCallback(this);
deckLinkOutput.SetAudioCallback(this);
}
// Get IDeckLink Interface
private bool GetIDeckLinkInterface()
{
try
{
deckLinkOutput = (IDeckLinkOutput)DeckLink;
deckLinkInput = (IDeckLinkInput)DeckLink;
deckLinkConfig = (IDeckLinkConfiguration)DeckLink;
IDeckLinkDisplayModeIterator displayIterator;
deckLinkInput.GetDisplayModeIterator(out displayIterator);
var supportedModes = new List <IDeckLinkDisplayMode>();
deckLinkKeyer = (IDeckLinkKeyer)DeckLink;
}
catch
{
return(false);
}
return(true);
}
public Form1()
{
InitializeComponent();
captureVideo();
Decklink decklink = new Decklink();
IDeckLinkOutput device = (IDeckLinkOutput)decklink.GetAvailableDeckLinks()[0];
IDeckLinkDisplayMode mode = (IDeckLinkDisplayMode)decklink.GetAvailableDisplayModes(device)[0];
DeckLinkRenderer renderer = new DeckLinkRenderer(device, mode);
renderer.Start();
Thread.Sleep(3000);
renderer.Stop();
}
public DeckLinkOutputDevice(IDeckLink deckLink)
{
m_deckLink = deckLink;
// Get output interface
try
{
m_deckLinkOutput = (IDeckLinkOutput)m_deckLink;
}
catch (InvalidCastException)
{
// No output interface found, eg in case of DeckLink Mini Recorder
return;
}
// Provide the delegate to the audio and video output interfaces
m_deckLinkOutput.SetScheduledFrameCompletionCallback(this);
m_deckLinkOutput.SetAudioCallback(this);
}
public ArrayList GetAvailableDisplayModes(IDeckLinkOutput deckLinkOutput)
{
ArrayList list = new ArrayList();
IDeckLinkDisplayModeIterator displayModeIterator;
deckLinkOutput.GetDisplayModeIterator(out displayModeIterator);
while (true)
{
IDeckLinkDisplayMode deckLinkDisplayMode;
displayModeIterator.Next(out deckLinkDisplayMode);
if (deckLinkDisplayMode == null)
{
break;
}
list.Add(deckLinkDisplayMode);
}
return(list);
}
public SignalGenerator()
{
InitializeComponent();
m_running = false;
// Create the COM instance
IDeckLinkIterator deckLinkIterator = new CDeckLinkIterator();
if (deckLinkIterator == null)
{
MessageBox.Show("This application requires the DeckLink drivers installed.\nPlease install the Blackmagic DeckLink drivers to use the features of this application", "Error");
Environment.Exit(1);
}
// Get the first DeckLink card
deckLinkIterator.Next(out m_deckLink);
if (m_deckLink == null)
{
MessageBox.Show("This application requires a DeckLink PCI card.\nYou will not be able to use the features of this application until a DeckLink PCI card is installed.", "Error");
Environment.Exit(1);
}
// Get the IDeckLinkOutput interface
m_deckLinkOutput = (IDeckLinkOutput)m_deckLink;
// Provide this class as a delegate to the audio and video output interfaces
m_deckLinkOutput.SetScheduledFrameCompletionCallback(this);
m_deckLinkOutput.SetAudioCallback(this);
// Populate the display mode combo with a list of display modes supported by the installed DeckLink card
IDeckLinkDisplayModeIterator displayModeIterator;
comboBoxVideoFormat.BeginUpdate();
comboBoxVideoFormat.Items.Clear();
m_deckLinkOutput.GetDisplayModeIterator(out displayModeIterator);
while (true)
{
IDeckLinkDisplayMode deckLinkDisplayMode;
displayModeIterator.Next(out deckLinkDisplayMode);
if (deckLinkDisplayMode == null)
{
break;
}
comboBoxVideoFormat.Items.Add(new DisplayModeEntry(deckLinkDisplayMode));
}
comboBoxVideoFormat.EndUpdate();
// Output signal combo box
comboBoxOutputSignal.BeginUpdate();
comboBoxOutputSignal.Items.Clear();
comboBoxOutputSignal.Items.Add(new StringObjectPair <OutputSignal>("Pip", OutputSignal.kOutputSignalPip));
comboBoxOutputSignal.Items.Add(new StringObjectPair <OutputSignal>("Drop", OutputSignal.kOutputSignalDrop));
comboBoxOutputSignal.EndUpdate();
// Audio channels combo box
comboBoxAudioChannels.BeginUpdate();
comboBoxAudioChannels.Items.Clear();
comboBoxAudioChannels.Items.Add("2");
comboBoxAudioChannels.Items.Add("8");
comboBoxAudioChannels.Items.Add("16");
comboBoxAudioChannels.EndUpdate();
// Audio depth combo box
comboBoxAudioDepth.BeginUpdate();
comboBoxAudioDepth.Items.Clear();
comboBoxAudioDepth.Items.Add(new StringObjectPair <_BMDAudioSampleType>("16 Bit", _BMDAudioSampleType.bmdAudioSampleType16bitInteger));
comboBoxAudioDepth.Items.Add(new StringObjectPair <_BMDAudioSampleType>("32 Bit", _BMDAudioSampleType.bmdAudioSampleType32bitInteger));
comboBoxAudioDepth.EndUpdate();
comboBoxVideoFormat.SelectedIndex = 0;
comboBoxOutputSignal.SelectedIndex = 0;
comboBoxAudioChannels.SelectedIndex = 0;
comboBoxAudioDepth.SelectedIndex = 0;
}
public void Initialise(IDeckLink device, ModeRegister.Mode mode, bool useDeviceCallbacks)
{
Stop();
try
{
WorkerThread.Singleton.PerformBlocking(() => {
//--
//attach to device
//
if (device == null)
throw (new Exception("No device"));
if (mode == null)
throw (new Exception("No mode selected"));
FDevice = device;
var outputDevice = FDevice as IDeckLinkOutput;
if (outputDevice == null)
throw (new Exception("Device does not support output"));
FOutputDevice = outputDevice;
//
//--
//--
//set memory allocator
//
FOutputDevice.SetVideoOutputFrameMemoryAllocator(FMemoryAllocator);
//
//--
//--
//select mode
//
_BMDDisplayModeSupport support;
IDeckLinkDisplayMode displayMode;
FOutputDevice.DoesSupportVideoMode(mode.DisplayModeHandle.GetDisplayMode(), mode.PixelFormat, mode.Flags, out support, out displayMode);
if (support == _BMDDisplayModeSupport.bmdDisplayModeNotSupported)
throw (new Exception("Mode not supported"));
this.Mode = mode;
this.FWidth = Mode.Width;
this.FHeight = Mode.Height;
Mode.DisplayModeHandle.GetFrameRate(out this.FFrameDuration, out this.FFrameTimescale);
//
//--
//--
//enable the output
//
FOutputDevice.EnableVideoOutput(Mode.DisplayModeHandle.GetDisplayMode(), Mode.Flags);
//
//--
//--
//generate frames
IntPtr data;
FOutputDevice.CreateVideoFrame(FWidth, FHeight, Mode.CompressedWidth * 4, Mode.PixelFormat, _BMDFrameFlags.bmdFrameFlagDefault, out FVideoFrame);
FVideoFrame.GetBytes(out data);
FillBlack(data);
//
//--
//--
//scheduled playback
if (useDeviceCallbacks == true)
{
FOutputDevice.SetScheduledFrameCompletionCallback(this);
this.FFrameIndex = 0;
for (int i = 0; i < (int)this.Framerate; i++)
{
ScheduleFrame(true);
}
FOutputDevice.StartScheduledPlayback(0, 100, 1.0);
}
//
//--
FRunning = true;
});
}
catch (Exception e)
{
this.FWidth = 0;
this.FHeight = 0;
this.FRunning = false;
throw;
}
}
public void Initialise(IDeckLink device, ModeRegister.Mode mode, bool useDeviceCallbacks)
{
Stop();
try
{
WorkerThread.Singleton.PerformBlocking(() => {
//--
//attach to device
//
if (device == null)
{
throw (new Exception("No device"));
}
if (mode == null)
{
throw (new Exception("No mode selected"));
}
FDevice = device;
var outputDevice = FDevice as IDeckLinkOutput;
if (outputDevice == null)
{
throw (new Exception("Device does not support output"));
}
FOutputDevice = outputDevice;
//
//--
//--
//set memory allocator
//
FOutputDevice.SetVideoOutputFrameMemoryAllocator(FMemoryAllocator);
//
//--
//--
//select mode
//
_BMDDisplayModeSupport support;
IDeckLinkDisplayMode displayMode;
FOutputDevice.DoesSupportVideoMode(mode.DisplayModeHandle.GetDisplayMode(), mode.PixelFormat, mode.Flags, out support, out displayMode);
if (support == _BMDDisplayModeSupport.bmdDisplayModeNotSupported)
{
throw (new Exception("Mode not supported"));
}
this.Mode = mode;
this.FWidth = Mode.Width;
this.FHeight = Mode.Height;
Mode.DisplayModeHandle.GetFrameRate(out this.FFrameDuration, out this.FFrameTimescale);
//
//--
//--
//enable the output
//
FOutputDevice.EnableVideoOutput(Mode.DisplayModeHandle.GetDisplayMode(), Mode.Flags);
//
//--
//--
//generate frames
IntPtr data;
FOutputDevice.CreateVideoFrame(FWidth, FHeight, Mode.CompressedWidth * 4, Mode.PixelFormat, _BMDFrameFlags.bmdFrameFlagDefault, out FVideoFrame);
FVideoFrame.GetBytes(out data);
FillBlack(data);
//
//--
//--
//scheduled playback
if (useDeviceCallbacks == true)
{
FOutputDevice.SetScheduledFrameCompletionCallback(this);
this.FFrameIndex = 0;
for (int i = 0; i < (int)this.Framerate; i++)
{
ScheduleFrame(true);
}
FOutputDevice.StartScheduledPlayback(0, 100, 1.0);
}
//
//--
FRunning = true;
});
}
catch (Exception e)
{
this.FWidth = 0;
this.FHeight = 0;
this.FRunning = false;
throw;
}
}
private Decklink(IDeckLink cDevice)
{
(new Logger()).WriteDebug3("in");
try
{
nAudioQueueLength = nAudioQueueLengthPrevious = 0;
nBTLAudioQueueLengthPrevious = nBTLVideoQueueLengthPrevious = nVideoQueueLengthPrevious = 0;
_iDLDevice = cDevice;
if(Preferences.bDeviceInput)
_iDLInput = (IDeckLinkInput)_iDLDevice;
else
_iDLOutput = (IDeckLinkOutput)_iDLDevice;
IDeckLinkDisplayModeIterator cDisplayModeIterator;
IDeckLinkDisplayMode cNextDLDisplayMode;
string sDisplayModeName = "";
string sMessage = "decklink supported modes:<br>";
if (Preferences.bDeviceInput)
{
_iDLInputDisplayMode = null;
_iDLInput.GetDisplayModeIterator(out cDisplayModeIterator);
while (true)
{
cDisplayModeIterator.Next(out cNextDLDisplayMode);
if (cNextDLDisplayMode == null)
break;
cNextDLDisplayMode.GetName(out sDisplayModeName);
if (null == _iDLInputDisplayMode && sDisplayModeName.ToLower().Contains(Preferences.sVideoFormat))
{
sMessage += "selected:";
_iDLInputDisplayMode = cNextDLDisplayMode;
}
else
sMessage += "\t";
sMessage += sDisplayModeName + "<br>";
}
(new Logger()).WriteNotice(sMessage);
if (null == _iDLInputDisplayMode)
throw new Exception("can't find " + Preferences.sVideoFormat + " mode within specified device for input");
}
else
{
_nFramesAudioDropped = 0;
_iDLOutputDisplayMode = null;
_iDLOutput.GetDisplayModeIterator(out cDisplayModeIterator);
while (true)
{
cDisplayModeIterator.Next(out cNextDLDisplayMode);
if (cNextDLDisplayMode == null)
break;
cNextDLDisplayMode.GetName(out sDisplayModeName);
if (null == _iDLOutputDisplayMode && sDisplayModeName.ToLower().Contains(Preferences.sVideoFormat))
{
sMessage += "selected:";
_iDLOutputDisplayMode = cNextDLDisplayMode;
}
else
sMessage += "\t";
sMessage += sDisplayModeName + "<br>";
}
(new Logger()).WriteNotice(sMessage);
if (null == _iDLOutputDisplayMode)
throw new Exception("can't find " + Preferences.sVideoFormat + " mode within specified device for output");
stArea = new Area(0, 0, (ushort)_iDLOutputDisplayMode.GetWidth(), (ushort)_iDLOutputDisplayMode.GetHeight());
long nFrameDuration, nFrameTimescale;
_iDLOutputDisplayMode.GetFrameRate(out nFrameDuration, out nFrameTimescale);
_nFPS = (ushort)((nFrameTimescale + (nFrameDuration - 1)) / nFrameDuration); //до ближайшего целого - взято из примера деклинка
_bDoWritingFrames = false;
_aqWritingFrames = new Queue<byte[]>();
_cThreadWritingFramesWorker = new System.Threading.Thread(WritingFramesWorker);
_cThreadWritingFramesWorker.IsBackground = true;
_cThreadWritingFramesWorker.Priority = System.Threading.ThreadPriority.Normal;
_cThreadWritingFramesWorker.Start();
if (Preferences.bAudio)
{
switch (Preferences.nAudioBitDepth)
{
case 32:
_eAudioSampleDepth = _BMDAudioSampleType.bmdAudioSampleType32bitInteger;
break;
case 16:
default:
_eAudioSampleDepth = _BMDAudioSampleType.bmdAudioSampleType16bitInteger;
break;
}
switch (Preferences.nAudioSamplesRate)
{
case 48000:
_eAudioSampleRate = _BMDAudioSampleRate.bmdAudioSampleRate48kHz;
break;
default:
throw new Exception("unsupported audio sample rate [" + Preferences.nAudioSamplesRate + "]");
}
//_pAudioSamplesBuffer = Marshal.AllocCoTaskMem((int)_nAudioFrameSize_InBytes);
_cAudioBuffer = new AudioBuffer();
_nAudioBufferCapacity_InSamples = Preferences.nAudioSamplesPerFrame * Preferences.nQueueDeviceLength;
//for (int nIndx = 0; _nAudioFrameSize_InBytes > nIndx; nIndx++)
// Marshal.WriteByte(_pAudioSamplesBuffer, nIndx, 0);
_nTimescale = (ushort)_eAudioSampleRate;
_nFrameDuration = (ushort)(_nTimescale / _nFPS);
}
if (null != Preferences.cDownStreamKeyer)
_iDeckLinkKeyer = (IDeckLinkKeyer)_iDLDevice;
}
}
catch (Exception ex)
{
(new Logger()).WriteError(ex);
throw;
}
(new Logger()).WriteDebug4("return");
}
public void Open(DeviceRegister.DeviceIndex device, _BMDDisplayMode mode, _BMDVideoInputFlags flags)
{
if (Ready)
{
Close();
}
WorkerThread.Singleton.PerformBlocking(() =>
{
this.Lock.AcquireWriterLock(10000);
try
{
if (device == null)
{
throw (new Exception("No device selected"));
}
IDeckLink rawDevice = DeviceRegister.Singleton.GetDeviceHandle(device.Index);
FDevice = rawDevice as IDeckLinkInput;
FOutDevice = rawDevice as IDeckLinkOutput;
FMode = mode;
FFlags = flags;
FConverter = new CDeckLinkVideoConversion();
if (FDevice == null)
{
throw (new Exception("No input device connected"));
}
_BMDDisplayModeSupport displayModeSupported;
FDevice.DoesSupportVideoMode(FMode, FPixelFormat, flags, out displayModeSupported, out FDisplayMode);
Width = FDisplayMode.GetWidth();
Height = FDisplayMode.GetHeight();
// inspiration http://dviz.googlecode.com/svn/trunk/src/livemix/CameraThread.cpp
FOutDevice.CreateVideoFrame(Width,
Height,
Width * 4,
_BMDPixelFormat.bmdFormat8BitBGRA,
_BMDFrameFlags.bmdFrameFlagDefault,
out rgbFrame);
FDevice.EnableVideoInput(FMode, FPixelFormat, FFlags);
FDevice.SetCallback(this);
FDevice.StartStreams();
Reinitialise = true;
Ready = true;
FreshData = false;
}
catch (Exception e)
{
Ready = false;
Reinitialise = false;
FreshData = false;
throw;
}
finally
{
this.Lock.ReleaseWriterLock();
}
});
}
