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 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);
}
