Hi, I am commenting with an issue we are facing:
When we record a video using Aximmetry internally, using the VideoRecorder node, the resulting file has a tendency to get out of sync with the actual timing.
It is especially bothersome when recording multicam productions, the various cameras are all out of sync.
And I am not talking about a static consistent latency that I could easily account for inbetween the tracks, it's more like the recording dynamically stretching, and dropping frames left / right, and ultimately resulting in different timings. This can be anywhere over 25 frames over the span of an hour.
Therefore I wonder if there is a way to fix this.
We are recording in Cineform, and in the output settings the system is synced to a 25p SDI port.
My ideas:
1) Enabling framedropping, so if Aximmetry cannot crunch out the frame so shall it simply drop it and continue with keeping the accurate timing
2) Genlocking maybe..? Regardless this is not a problem that would demand sub-frame accuracy.. the internal clock of the computer should be enough.
This problem is really affecting our workflow, looking forward your input!
Without any real insight, it seems like frames are dropped in the actual recording. What quality/resolution are you recording in? CineForm can be very data heavy and since it’s not constant bitrate it could easily overload the hard drive if there’s lots of movement/complexity in the scene. Have you tried switching to one of the lowest bitrate options as a troubleshooting step? You could also try with a very simple, non-demanding scene running. In general, it’s always better to use an external recorder for real-time work. Aximmetry has a lot to handle anyway, and recording high quality video can put strain on the system that might not always show up in the CPU meter.