[OBS AV1] cant start recording

xbo0oyx

New Member

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AaronD

Active Member
Even if you've used the GUI to search for updated drivers, it may not have found the latest one. I had that problem myself, and I've seen it for others too. Go to the manufacturer's website, use that search tool, and take what it comes up with. See if that changes anything.

The log that you posted, ends before that message would have shown, so I can't say much beyond that.
 

xbo0oyx

New Member
im still have this problem i updated every single thing from bios to the GPU and every driver on my PC to the OBS it self even i upgraded my window to window 11

i cant find out why i cant record using AV1 and other 4090 owners can.
 

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AaronD

Active Member
im still have this problem i updated every single thing from bios to the GPU and every driver on my PC to the OBS it self even i upgraded my window to window 11

i cant find out why i cant record using AV1 and other 4090 owners can.
The only log in this thread, ends before that message would have shown. Can you post one that covers everything, from startup, to showing that message, to shutdown?

The way to do that, is to run OBS as you need to, to produce a log that you don't post yet, and then close OBS. Re-open, and then post the *previous* log.
 

AaronD

Active Member
In both screenshots, the recording button is highlighted, so you probably clicked it and then you got the error. There's no indication in that log about starting anything - just startup, 90 seconds of changing a scene (pasted below), and shutdown - so I think you're still getting something confused...unless there's something wacky about that scene?
Code:
23:24:39.057: Switched to scene 'Scene'
23:24:39.057: ------------------------------------------------
23:24:39.057: Loaded scenes:
23:24:39.057: - scene 'Scene':
23:24:39.057:     - source: 'Game Capture' (game_capture)
23:24:39.057: ------------------------------------------------
23:25:16.121: Settings changed (outputs)
23:25:16.121: ------------------------------------------------
23:25:17.392: [jim-nvenc] scaling enabled, falling back to ffmpeg
23:25:39.796: Settings changed (outputs)
23:25:39.796: ------------------------------------------------
23:25:45.779: Settings changed (outputs)
23:25:45.779: ------------------------------------------------
23:26:03.672: ==== Shutting down ==================================================
Or maybe that particular error is not logged (sufficiently)? Assuming you're right, and that *is* the same run, then the only thing that I think might be it is:
23:25:17.392: [jim-nvenc] scaling enabled, falling back to ffmpeg
and that's not very helpful to me. Maybe it is to someone else?
 

xbo0oyx

New Member
In both screenshots, the recording button is highlighted, so you probably clicked it and then you got the error. There's no indication in that log about starting anything - just startup, 90 seconds of changing a scene (pasted below), and shutdown - so I think you're still getting something confused...unless there's something wacky about that scene?
Code:
23:24:39.057: Switched to scene 'Scene'
23:24:39.057: ------------------------------------------------
23:24:39.057: Loaded scenes:
23:24:39.057: - scene 'Scene':
23:24:39.057:     - source: 'Game Capture' (game_capture)
23:24:39.057: ------------------------------------------------
23:25:16.121: Settings changed (outputs)
23:25:16.121: ------------------------------------------------
23:25:17.392: [jim-nvenc] scaling enabled, falling back to ffmpeg
23:25:39.796: Settings changed (outputs)
23:25:39.796: ------------------------------------------------
23:25:45.779: Settings changed (outputs)
23:25:45.779: ------------------------------------------------
23:26:03.672: ==== Shutting down ==================================================
Or maybe that particular error is not logged (sufficiently)? Assuming you're right, and that *is* the same run, then the only thing that I think might be it is:
23:25:17.392: [jim-nvenc] scaling enabled, falling back to ffmpeg
and that's not very helpful to me. Maybe it is to someone else?
idk this driving me crazy man im trying everything
 

AaronD

Active Member
Why are you looking at the encoder settings for streaming when you're trying to record?
The crop clearly shows that's where the OP is looking, but it does (barely) show that the Recording Quality is "Same as stream". So it doesn't really matter all that much. Yes, technically the focus is a bit off, but that *is* where the option is already shown, so I think this one is understandable.
In fact, I'd argue that "Same as stream" and its Advanced equivalent are the *correct* setting in most cases, because it avoids encoding twice if you end up doing both at the same time. Thus, the place where you actually change the details is exactly where the OP is looking.

Anyway, I think this also illustrates the importance of good UI design, and how difficult it is for subject-matter experts to create them.

Don't berate newbie mistakes, but understand what leads they follow, and make the UI so that it leads them correctly. According to a large-volume maker of consumer products, "If we have to ship a manual, it's too complicated," referring not to the complexity of the function, but of the UI specifically. So their stuff doesn't have a manual, nor is it needed for the vast majority of my experience as a user. Granted, OBS is more of a technical/creative thing than those products are, but the concept never completely goes away.
 
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xbo0oyx

New Member
Why are you looking at the encoder settings for streaming when you're trying to record?
that was in simple mode to show who asked, there is no option for recording encoder.

The crop clearly shows that's where the OP is looking, but it does (barely) show that the Recording Quality is "Same as stream". So it doesn't really matter all that much. Yes, technically the focus is a bit off, but that *is* where the option is already shown, so I think this one is understandable.
In fact, I'd argue that "Same as stream" and its Advanced equivalent are the *correct* setting in most cases, because it avoids encoding twice if you end up doing both at the same time. Thus, the place where you actually change the details is exactly where the OP is looking.

Anyway, I think this also illustrates the importance of good UI design, and how difficult it is for subject-matter experts to create them.

Don't berate newbie mistakes, but understand what leads they follow, and make the UI so that it leads them correctly. According to a large-volume maker of consumer products, "If we have to ship a manual, it's too complicated," referring not to the complexity of the function, but of the UI specifically. So their stuff doesn't have a manual, nor is it needed for the vast majority of my experience as a user. Granted, OBS is more of a technical/creative thing than those products are, but the concept never completely goes away.
i dont use same as stream option i just switched to simple mod to show the encoder available options

this what i use for recording.

112.png
 

AaronD

Active Member
that was in simple mode to show who asked, there is no option for recording encoder.
There is, but it's in the section below, all on the same tab. If you're used to Advanced Mode and assume a different tab, you could miss it. But as you said:
i dont use same as stream option i just switched to simple mod to show the encoder available options

this what i use for recording.

View attachment 91576



I poked around my settings a bit, and indeed the only place that AV1 appears is in the Advanced Recording, as something different from the stream. I didn't try to use it.

Wikipedia gives the impression that it's fairly new, with not a lot of hardware support yet (nothing forbids software support though, except for the CPU load), so it might still be an experimental thing in OBS. Technically present in a way that allows testing and debugging, but not much beyond that.

I guess for now just submit a bug report and watch it, or watch the one that already exists, because it probably does.
 

xbo0oyx

New Member
There is, but it's in the section below, all on the same tab. If you're used to Advanced Mode and assume a different tab, you could miss it. But as you said:




I poked around my settings a bit, and indeed the only place that AV1 appears is in the Advanced Recording, as something different from the stream. I didn't try to use it.

Wikipedia gives the impression that it's fairly new, with not a lot of hardware support yet (nothing forbids software support though, except for the CPU load), so it might still be an experimental thing in OBS. Technically present in a way that allows testing and debugging, but not much beyond that.

I guess for now just submit a bug report and watch it, or watch the one that already exists, because it probably does.
its new but i have the hardware to run it, idk i cant
 
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