» Video Synchronization
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Video Synchronization

French | Italian

General advices

  • Make sure videos you want to sync all have equal length and the same codec.
  • Disable features like "CPU SpeedStep" that adapt the speed of the CPU. The videosync algorithm uses the high resolution performance counter of your cpu to calculate timing. This can become unreliable when the bios changes the cpu speed to save power or performance.
  • Syncing does not seem to work for audio. Needs more investigation...

Network/Many machines

Related nodes

 FileStream (DShow9 Boygroup)

With Boygrouping
In a boygroup simply use the  FileStream (DShow9 Boygroup) instead of the usual filestream node and boygroup it. Note: multi server boygrouping is not supported.

Without Boygrouping
The  FileStream (DShow9 Boygroup) can also be used in non-boygrouped setups:

  1. on the 'server' machine define the Port.
  2. on every 'client' set the Is Client (hidden pin) to 1, set the Port and the Server IP (hidden pins) of the server. Done.

Examples in your vvvv\girlpower\ directory:

  • Video

See also:

Locally/Same machine

Related nodes

 FileStream (DShow9 Local Master)
 FileStream (DShow9 Local Slave)

To sync videos locally (be it in one or multiple instances of vvvv) just place a FileStream (DShow9 Local Master), define its Master Port and place as many FileStream (DShow9 Local Slave) as you wish.

There can only be one master sitting on one particular port. The slaves listening to this master need to have the same 'Master Port' defined.

If the master node turns red its Master Port is probably already in use.

Examples in your vvvv\girlpower\ directory:

  • Video

anonymous user login

Shoutbox

~18h ago

joreg: Two #vvvv workshops this week in #berlin: Friday: Physical Computing, Saturday: Computer Vision. Tickets: upcoming-full-day-vvvv-gamma-workshops-in-berlin

~1d ago

joreg: @cznickesz also feel free to join our chat for such questions: chat

~1d ago

cznickesz: @joreg: Yeah, I´ll give it a try! Thx

~1d ago

joreg: @cznickesz: we're hoping this week. but depends on feedback. please test your project and let us know if it works.

~2d ago

cznickesz: @joreg: I should stop asking my questions so cryptic ;-) So right away: is final Beta39 hours, days or weeks away?

~2d ago

joreg: @cznickesz: the idea of an RC is exactly to make sure your projects will work with it. your last chance to report problems with b39.

~2d ago

cznickesz: So how "RC" is the "RC3"? I have to update an old project soon and I´m wondering if I should wait and directly update to Beta39

~2d ago

joreg: @takuma, the "one frame" issue was fixed in RC3 for beta39, see: beta39-release-candidate

~2d ago

Takuma: @joreg thank!! Ill try this. Are there a way to send video texture from vvvv to vl? fromimage node in vl somehow only sends 1 frame

~2d ago

cznickesz: @ravasquez thx, so I need to stop avoiding nuget in the end ;-)