Video latency.

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cvanhoose
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Video latency.

Post by cvanhoose » Tue Oct 24, 2017 13:15

Anyone else having video latency issues from a new 2017 15” MacBook Pro? Troubles getting audio to sync.
Ruled out the audio device.
Strobe effect shows the latency. Running 3840x2160 from a single output. Apple dongle.

Update: the issue is the 2017 MacBook pros type C hardware causing the latency when the output is set to 30hz.
When set to 60hz, the only upturn is synced.
Last edited by cvanhoose on Sat Nov 04, 2017 22:05, edited 4 times in total.

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cvanhoose
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Re: Video latency.

Post by cvanhoose » Mon Oct 30, 2017 17:37

TESTED and CONFIRMED
R6 is only affected by the Video latency. Doesn't matter what output connection is used. There is MAJOR video latency.
Setting the Audio delay under preferences to 300ms, syncs the videos with audio.
The video codec and formats do not affect the latency.

R5 has no latency.

Am I the only one seeing this?
Last edited by cvanhoose on Sat Nov 04, 2017 22:07, edited 1 time in total.

Zoltán
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Re: Video latency.

Post by Zoltán » Tue Oct 31, 2017 10:50

which dongle are you using exactly?
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cvanhoose
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Re: Video latency.

Post by cvanhoose » Tue Oct 31, 2017 18:49

Zoltán wrote:which dongle are you using exactly?
I have a good stock of dongles now from testing this issue.
Apple dongle ( typeC to HDMI ) is my preference.
Tested resolution from 720@60 to 4k@30. Same result with all resolutions and dongles.

I did a restore also with the same result.
High Sierra 10.13

Zoltán
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Re: Video latency.

Post by Zoltán » Tue Oct 31, 2017 20:34

I found this regarding USB-c hdmi adapters on macbook pro:
http://blog.fosketts.net/2016/11/26/bew ... cbook-pro/
Doesn't promise much good to expect.
Theatre sound engineer, photographer, programmer, aka ravensc.
Control Your show with ”Enter” - multiple Resolume servers at once - SMPTE/MTC column launch
try for free: http://programs.palffyzoltan.hu
VJ footage: https://goo.gl/58oHy7

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cvanhoose
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Joined: Tue Aug 21, 2012 22:18

Re: Video latency.

Post by cvanhoose » Tue Oct 31, 2017 21:27

Zoltán wrote:I found this regarding USB-c hdmi adapters on macbook pro:
http://blog.fosketts.net/2016/11/26/bew ... cbook-pro/
Doesn't promise much good to expect.


R5 does not have latency with the same dongles, same machine.

R6 software is useless on the new MacBook Pros. I have tested 5 of them, maxed configurations.

One shots, strobe effect, video with audio playback cant be used because of the latency.
Last edited by cvanhoose on Wed Nov 08, 2017 23:01, edited 3 times in total.

Zoltán
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Re: Video latency.

Post by Zoltán » Tue Oct 31, 2017 21:40

do you see this latency with other programs too?
Is the output monitor image in Sync with the audio without you adding the 300ms delay?
How is that when you move the Resolume GUI to your secondary monitor?
Theatre sound engineer, photographer, programmer, aka ravensc.
Control Your show with ”Enter” - multiple Resolume servers at once - SMPTE/MTC column launch
try for free: http://programs.palffyzoltan.hu
VJ footage: https://goo.gl/58oHy7

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cvanhoose
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Re: Video latency.

Post by cvanhoose » Tue Oct 31, 2017 21:46

Zoltán wrote:do you see this latency with other programs too?
Is the output monitor image in Sync with the audio without you adding the 300ms delay?
How is that when you move the Resolume GUI to your secondary monitor?
Videos play in sync with other softwares such as PlaybackPro, Quicktime, VLC, etc. Same machine
In show right now, will swap GUI on the displays shortly.
It is a video latency issue only on the second display.

The video plays in sync with the audio in the preview/program on the GUI
Last edited by cvanhoose on Wed Nov 08, 2017 23:00, edited 1 time in total.

Zoltán
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Re: Video latency.

Post by Zoltán » Tue Oct 31, 2017 22:19

Theatre sound engineer, photographer, programmer, aka ravensc.
Control Your show with ”Enter” - multiple Resolume servers at once - SMPTE/MTC column launch
try for free: http://programs.palffyzoltan.hu
VJ footage: https://goo.gl/58oHy7

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cvanhoose
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Posts: 276
Joined: Tue Aug 21, 2012 22:18

Re: Video latency.

Post by cvanhoose » Wed Nov 01, 2017 01:32

Zoltán wrote:is your dongle this one?
https://www.apple.com/uk/shop/product/M ... rt-adapter
Yes. I also have several belkin, accel, star tech, hootoo adapters.
All work fine with other software

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