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Outputs · NDI · SRT · RTMP · External

Send a page out of Glider itself — NDI with alpha, SRT, RTMP streaming, DeckLink SDI fill and key, or full screen on a display — like vMix's Outputs, Stream and External Output.

DeckLink fill + key, and display outputs.

External outputs need Blackmagic Desktop Video. Pick the device, a format (Page format picks the device's progressive mode matching the page's size and rate), which output it plays, and the key mode. Fill + key needs a card with two connectors per channel (a Duo 2, Quad 2, 4K Extreme, 8K Pro); the card's attributes decide what the Key list offers.

  • Playback is scheduled on the card a few frames ahead (three, four for 10-bit), so the SDI signal never stutters when the machine is busy — the last frame repeats instead, and the status counts it.
  • Pixel format: 10-bit YUV (Rec. 709) for fill only; fill + key and the internal keyer always send 8-bit RGB.
  • The fill is premultiplied (shaped), as SDI keyers expect.
  • Fullscreen outputs open a borderless window on the chosen display (or the first one that is not the main display) showing the output's fill or key.
  • The EXTERNAL button in the editor's menu bar, like vMix's External button, turns every External and fullscreen output on or off at once; it lights red while they are on air.