Currently Vuo can capture live video from some (or all?) BlackMagic devices using QuickTime. Adding direct support via the BlackMagic API may help reduce latency.

QC equivalent: 

Kineme VideoTools


Moderator note: 

Created on behalf of Team Vuo pledged 18 votes based on this feature's rank in that poll.
Notes from Team Vuo

Vuo Pro: 

Yes — requires a Vuo Pro license


●●○○ — A few weeks of work


●○○ — Appeals to current community


Does anybody know if QT Video

useful design's picture
Submitted by

Does anybody know if QT Video method @Steve referred to brings the miniRecorder signal in? I have one and am about to buy a second device, prob another miniRecorder.

Apart from latency how would a native node help? Settings and config? I have votes ready to release on this if it's a significant improvement or needed.

The BlackSyphon read-me suggests that CPU use is reduced with hard coding thereby avoiding QT method. This feature would provide more functionality for compiled apps too i guess.

By the way, I don't remember

cwilms-loyalist's picture
Submitted by

I've had reasonable success with the Blackmagic UltraStudio Mini Recorder using the native "Receive Live Video" node. In testing it had 5frame of latency for a 29.97fps clip (so 167ish ms of latency), that was at 1080p over HDMI, not sure if SDI would be faster.

A native Blackmagic node might be nice if it could reduce it to 1-2frames.

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