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Birddog PTZ over NDI "almost" working - PTZ Presets with Birddog NDI Camera aren't recalling vertical movement properly
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Necarri  
#1 Posted : Thursday, December 16, 2021 6:47:03 AM(UTC)
Necarri

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Hello,

Our church has been using vMix to livestream for roughly 2 years, and it has worked great thus far. For context, we have been using PTZOptics NDI cameras with 0 hitches thus far.

Recently, we upgraded a non-NDI camera to a Birddog P100. The NDI signal/picture quality is superb, but there has been an issue with the PTZ presets in vMix. Specifically, (on only the P100), when previewing a saved PTZ preset (the "Create Input at this Position" presets, that is), it will update ZOOM and HORIZONTAL positioning from that preset, but does not move to the correct VERTICAL positioning. Instead, it will always go to the "home" position (straight out/in the middle). Again, zoom and horizontal movement DOES work correctly when selecting vMix presets.

Some extra details:
-We are using the newest vMix 24.0.0.72 (the issue seems to exist on vMix 23 and previous versions of vMix 24)
-The PTZOptics cameras are/have remained working properly.
-The camera is using a static IP and is using the recommended "Sony VISCA over IP" device type for PTZ control in vMix. Further, vMix connects successfully and DOES allow every axis of movement through vMix's built in PTZ control. (Again, though, changing to any preset will set the vertical position to default).

Some things I've tried:
-Changing to previous versions of vMix (23 and an earlier version of 24)
-the easy fixes (restarting every machine, camera, network, vMix, etc.)
-Checking the birddog Camera itself. It is currently using UDP for the NDI signal, though TCP is the default and also did not fix the issue.
-Relatedly, using Birddog's built-in "Control" through their web interface (via the camera's IP address), DOES work as you'd expect. You can save "presets" and recall them without any strange behavior with the vertical axis. Screenshot 2021-12-15 153925.png (68kb) downloaded 0 time(s). (this is Birddog's web interface as mentioned above)


I could really use some extra brains, if anyone has any leads as to what an issue may be that causes such a strange type of "bug." I'm unsure if this is a birddog thing, a vMix thing, or a user-error thing. But whichever way, I could really use a hand. Of course, I'm glad to give any details if necessary.

A thank you to the vMix team and you fine people on the forum - your discussions have helped me troubleshoot many issues many times.

Thanks,
~Sam

(edit: changed description to match followup post below)
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Necarri  
#2 Posted : Saturday, December 18, 2021 5:57:40 AM(UTC)
Necarri

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Location: Ohio
Hello all,

A quick update: I've done some more troubleshooting. I've updated the P100's firmware to the beta branch to no avail.

However, I have noticed something very very strange. It seems that when recalling presets, it DOES move the vertical axis, but it's only a small percentage of the way. It seems to be about 10%. For example, if I make a preset (virtual input) in vMix where the camera is pointing completely straight up, then another one pointing straight down, when I flip between the 2 presets, it moves the camera a small portion of the way. Again, roughly 10% as far as it should be going.

I've been looking into how VISCA over IP works, but I still can't figure out if this is a Birddog, vMix, or network issue. Though I'm lead to believe that vMix is not sending the correct value for the "TILT" to the P100.

Again, using the web interface (I also used BirdDog Camera Control) works as intended, which supports my theory above.

Any help is appreciated. Thanks
~Sam
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ask  
#3 Posted : Wednesday, December 22, 2021 11:14:02 AM(UTC)
ask

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In the BirdDog GUI, disable the save preset settings.
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thanks 1 user thanked ask for this useful post.
sinc747 on 12/22/2021(UTC)
Necarri  
#4 Posted : Wednesday, December 29, 2021 6:01:29 AM(UTC)
Necarri

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Joined: 12/16/2021(UTC)
Posts: 5
United States
Location: Ohio
Originally Posted by: ask Go to Quoted Post
In the BirdDog GUI, disable the save preset settings.


Thanks for the reply. I'm not quite sure I follow... in the P100's GUI (via IP) under PTZ, there is only the option for the On-Screen-Display, P/T/Z speed settings, and the presets themselves, but I don't see that setting nor any option(s) close to that. The other tabs in the GUI are also similarly unrelated. Are you referring to a different software instead of accessing by IP from a browser? BirdDog Cam Control also lacks such a setting.

Happy Holidays, and thanks.
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Necarri  
#5 Posted : Wednesday, January 5, 2022 7:10:14 AM(UTC)
Necarri

Rank: Newbie

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Joined: 12/16/2021(UTC)
Posts: 5
United States
Location: Ohio
A quick update to add info and hopefully a bump.

I went through the on-screen display on the p100 and DISABLED an option in "System" called "Preset Memory" - but this also did not fix the issue, even after a restart and reverification of both the p100 and vMix's settings. I believe this was what Ask was mentioning in the above post.

I'm still pretty much out of ideas, apart from factory resetting everything (again) and rolling back the firmware (again). As always, any input or suggestions are greatly appreciated!

Thanks

~Sam
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Necarri  
#6 Posted : Thursday, January 13, 2022 6:14:46 AM(UTC)
Necarri

Rank: Newbie

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Joined: 12/16/2021(UTC)
Posts: 5
United States
Location: Ohio
The problem has been solved! I wanted to give a final update for anyone who looks at this thread in the future.

I just updated the firmware (baseboard, MCU, and NDI) to the latest on the birddog website (the newest as of 1/12/2022) - that is, P100_4.5.3787-LTS.

The issue persisted on P100_4.5.3782-LTS and P100_21.01.3766 firmwares (those were the latest as of the original post). But since updating to the newest version, the issue is now completely gone in vMix! (amazingly)


Going through the release notes, Birddog mentions it "Fixed an issue with absolute zoom and tilt positioning values." And it seems that that's exactly what the issue was.

Thanks, and signing out,
~Sam
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