Audio is working, no video during live streaming to FB

[813boom]

Good afternoon,

I am new to the forum and this software. We use OBS to stream 2 cameras and a slideshow on FB live at our church. Due to family obligations our regular video person is unavailable and I'm attempting to fill in.

We have been using this setup for 4-5 weeks and it has been working fine. 2 weeks ago the video quit working on our live feed. The audio works fine, just no camera or slideshow is visible to FB live.

I don't know the terminology or name, but we have a device that has some large illuminated buttons 1-4. Buttons 1 & 2 are camera 1 &2, button 3 is the slideshow button. Button 4 is not set to anything. Normally while the minister is giving the sermon I can toggle between the camera and the slides for our at home audience to see. Last 2 weeks all they see is a black screen.

I have 2 small monitors above the computer screen that show what the 2 cameras see. They seem to work fine. The TV screens in the sanctuary correctly display and toggle between what is show on the camera and what is shown on the slides.

I did a quick search to see if there is a users manual to attempt to resolve this myself. I found the quick start guide and may have found a solution. My problem is I barely can run the system and do no what to attempt to fix something and overwrite any original settings because it was working fine a few weeks ago.

I have verified the streaming key needed to get FB live and OBS working together. I can get the event created and all the 3 green checkmarks, but no video going out.

Does anyone have any suggestions? Thank you!

 

[813boom]

BTT

 

[Lawrence_SoCal]

Sorry... LOTS of possible 'glitches'

Does the vide appear on the OBS Studio preview (program) window?
Without full documentation of video path, your 'controller' (the thing with buttons... stream deck? maybe)

Your situation is why when I set up our House of Worship livestream setup, it is fully documented, so if something happens to me, someone else could take over. I found livestream production to be a steep learning-curve activity. And what works for 1 person's setup doesn't mean much of anything for another persons'. So it could easily take someone with plenty of OBS Studio expertise time to figure out someone else's setup... and that assumes they aren't using some custom code/scripting in the background...

Oh, and don't ignore possibility issue on on FB's end (see string of other threads on related FB issues... presumably due to either
a. FB stream server backend server and/or /live/producer web page code issues
b. conflict between OBS Studio's latest and use of TLS module and FB's expectations. Older OBS Studio don't seem to have this issue... clear issue on Linux client side... I don't have clarity if similar issue on Windows OS side)

 

[813boom]

I was attempting to use the quickstart guide to add a video source today after work. No luck. Here is a photo of our system. The OBS has a black screen. It used to show either 1 of the cameras or the slideshow on the screen on the right. There are 2 completely different computers here and somehow they were displaying the screen on the right on OBS.

 

[Lawrence_SoCal]

I was attempting to use the quickstart guide to add a video source today after work. No luck. Here is a photo of our system.

Unfortunately, a photo is nice, but doens't help all that much

The OBS has a black screen. It used to show either 1 of the cameras or the slideshow on the screen on the right. There are 2 completely different computers here and somehow they were displaying the screen on the right on OBS.

There are lots of circumstances where OBS Studio can 'lose' its connection to a camera. And many ways to attach video to computer... and how to fix... depends on the combination of video feed protocol, data path, config, etc

With the ATEM Mini Pro and the visible cables, I'm _guessing_ you have HDMI output cameras, and using the ATEM as a video switcher
Further, the PC on the right, with your slide content, is getting content to OBS Studio (multiple methods of doing this).

Our HoW is setup with camera switching and the slides all being done on the PC (makes OBS Studio PC operator's job a bit harder, but simplifies entire setup... by a LOT ... but side issue)

In terms of your primary issue... start with OBS Studio Camera Source (in Source list). You may need to choose something else and then go back to correct input (presumably the ATEM?) Or it might have been accidently changed and just needs to be put back? We use NDI to feed video over IP... and at times... 'stuff' happens, I and have to beat OBS Studio and Windows OS back into submission... sometimes gently, sometimes not so much.
Operating System and driver updates, not to mention OBS Studio updates can change behaviors and where something used to work, now it doesn't. it happens.

First, Presuming ATEM Mini Pro is outputting a HMDI signal, I'd be inclined to hook a monitor up directly and confirm it is outputting a video signal as expected. Then, there is making sure Operating System Permissions didn't change (giving OBS Studio access to video feed). Beware assuming anything (especially something along the lines of ' "that/X" should be ok, I didn't change it'). Then there is checking the source config with OBS Studio for that video source. And there have been driver issues I've read of in these forums regarding BlackMagic and OBS Studio....
Personally, my go to recommendation (because OBS Studio tends to 'lock' sources) is to exit (not minimize the OBS Studio application) and make sure Audio and Video sources working at Operating System level first, and then troubleshoot within OBS Studio... there are times when this isn't appropriate but is a good approach far more often than not (specific plugins directly receiving input bypassing many (most?) operating system drivers in the process being the exception)
The above will identify if somehow the config on the ATEM was changed (or wrong button press), and that is the video source issue

 

[813boom]

Found a resolution to my problem. The camera driver was corrupted. I deleted it on the device manager. Unplugged my ATEM, plugged it back in. It popped up the autostart for driver, hit ok. It downloaded the new driver. Works now!!