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Blackfyre wrote:dlr5668 wrote:New dev rife build will also reduce lag on rewind to zero
Nice, can't wait for an update. It feels like I'm watching content in a completely new way now with RIFE.
Doubt we'll see it, but if performance improves to allow me to push 3x the framerate with my RTX 3090 that would be amazing.
Still don't know why Dolby Vision flickers with SVP on, and with RIFE the colours also wash out and blacks become dark grey, here is my current configuration:
vo=gpu-next
fbo-format=rgba16hf
gpu-api=vulkan
gpu-context=winvk
hwdec=nvdec
FBO doesn't work with gpu-next according to the gpu-next errata. It looks like you are using Windows and if so then there's no need for Vulkan and no need to set context either.
SVP says you are supposed to use a copy-back decoder but I've tried a non copy-back decoder and I'm not sure it's necessary now. But I leave it in because it is not affecting performance. Hopefully one of the devs like Chainik can clarify.
Blackfyre wrote:dlr5668 wrote:Rife kinda killed it (for video interpolation)
I haven't tried it in over a month. If the issue is fixed where it takes so long to open a 4K file, then I would use it without hesitation.
But the loading issues always put me off.
EDIT:
OKAY WOW THE DIFFERENCE IS MASSIVE!
Even at double the FPS (48FPS) it looks better than anything else at 120FPS.
It is worth the loading time and seek loading time when forwarding and moving back. Artifacts are minimal too. And now I wish my RTX 3090 could push 3x or 4x the framerate haha!
With Rife v2 I run 2160p movies at 60Hz with the occasional micro lag on my 3080 and I'm happy with that 
Super4Jet wrote:I've - just given up on re-installing SVP. Just doesn't work on my machine. It worked last time though, and I think there might be something fishy going on in the code regarding VM-Detection. Or it's just the lack of a physical GPU that's bothering the SVP Manager at startup. Either way it would require me to take a way more complicated approach than I would get with FlowFrames at the moment. Still, it isn't ideal, updating as a non-paying user also takes about half an hour which isn't great either. So I'll leave it be for now.
As for 4.6, I've just tested it with some black and white scenes and though I didn't compare to 4.4, it looks a lot better than v4. B&w seems to be really difficult for interpolation as it doesn't know where that specific dark spot came from, from above or from the side etc., whereas before it could just tell them apart by color.
Back to the original question: Since I think the same AI fed with the same image sequence will always return the same output, maybe cut out that scene, use a different RIFE version und paste it back in? A little complicated, I know, or you could just concede and stick with v4.4 for the whole movie? To me it doesn't look like a technical issue with neither SVP nor RIFE AI, just that the training data is always a bit different and sometimes just gets worse with an update in some areas. And v4.4 isn't vaaastly inferior to v4.6 imo...
Also, I'm well aware this is not a FlowFrames troubleshooting forum, but I'd be happy to help there if needed
Thanks but both 4.4 and 4.6 have the same issue. There are a few movies that require Rife's extra smoothness but Gravity seems smooth enough with Automatic. So if it bothers me too much I can go back to using Automatic for this one movie and use Rife for the rest. The conditional statements don't work properly in this case but it really isn't a major issue, just annoying.
Super4Jet wrote:For me it was that every second frame was black, as in pitch-black, RGB #000000. I sadly don't have the video at hand anymore, wasn't worth the storage 
This only happens with Gravity? You might want to try another RIFE-model, the most recent is v4.6 (afaik not in the current version of SVP), other good ones are plain v4 and v2.3. I'm not entirely sure if you have all these options, I'll probably have to spin up a VM and look which options are available.
Just for reference, you could also try Flowframes for once, the most recent precompiled version seems to already include RIFE AI v4. I'm not sure if 'recommending' competitors goes well here, so we'll see XD
Also I'm rate limited here, so I'm sorry my responses come in so slow... 2h/reply apparently
The 4.6 model is available in SVP and that's the version I use. The 4.4 model is a little worse. I had a look into that other matter you mentioned and I'm not sure it's better. The latest version doesn't seem to support audio plus unlike SVP there's no way to test it, no free trial etc. So why would I want to test a supposedly inferior version when SVP (with some glitches) works pretty well?
Whether I'm using Optical Flow or not, I get major flickering for some space scenes in Gravity when using Rife that I don't get on Automatic. It's similar to the effect you get when over sharpening.
Using MPV with Rife 2 is smooth so I didn't realize that I am regularly dropping "output" frames. My GPU is running at around 80% so I don't understand what the issue is?
I also found that the "ffdshow" parameter under Advanced Settings is set to "true". Is this correct?
dlr5668 wrote:dawkinscm wrote:Just updated to the latest pre-release TensorRT library. Start up time is now about 5 seconds and the seek is just shy of real time but very choppy so not worth the upgrade to the pre-release yet.
What do you mean start time? Once cached its below 2s for me
You may be right about caching but it seems to be a little variable for me sometimes.
Drakko01 wrote:dawkinscm wrote:Just updated to the latest pre-release TensorRT library. Start up time is now about 5 seconds and the seek is just shy of real time but very choppy so not worth the upgrade to the pre-release yet.
HI, I I like to try it, can you explain what I need to do for updating to the latest version. Thanks.
As I said, I don't recommend it because it caused some issues and I've ended up reinstalling SVP lol. Although thinking back on it, maybe some of that was my doing. Either way it works well enough with Rife v2. But if you insist then Google "v14 latest TensorRT library"
Just updated to the latest pre-release TensorRT library. Start up time is now about 5 seconds and the seek is just shy of real time but very choppy so not worth the upgrade to the pre-release yet.
Grinchy wrote:Someone got it working with MadVR?
I'm using MPC-BE with MadVR and SVP Rife @ RTX 4080, but I cant get more than 1080p x2. 1080p 60fps would be perfect (120hz TV), but I get Framedrops with this.
Even while using TensorRT 4.6 with 2 GPU Cores it doesn't seems like the GPU works at full load. Taskmanager CUDA is always around 0% and the GPU itself won't go higher than 60-70%.
Anything i could do to get more performance? In the Guide it says to use Vapoursynth Filter. Will this even work with MadVR?
I got MPC-BE and MadVR working before with Vapoursynth but could not get a smooth 1080p/60 on my 3080 (although I think that might change with Rife v2). You want more performance, then switch to MPV where I was able to get a smooth 2160p/60 running at about 90% GPU. As I said in a previous post, the key for me was using 1 GPU thread. Any more than that then I started to run into issues but this has also improved with Rife v2.
I recently tried to get it working again with MPC-BE and Vapoursynth but it kept on crashing. I think it's to do with my Python install but I'm settled with the much better performance and picture quality of MPV so I haven't tried to hard to get it working again with MPC-BE and MadVR.
With Rife 2 I now get 4k/60 running at well below 90% GPU.
svr wrote:Of course I use TensorRT, but for example, when the MPV player is running, this warning is displayed:
vstrt: TensorRT version mismatch, built with 2135 but loaded with 2136; continue but fingers crossed...
I used v1 version models that come as part of SVP. I also tried the 4.4 model, tried to turn off the boost, but still after a while the video driver crashes.
Display driver nvlddmkm stopped responding and has successfully recovered.
It looks like you have been tinkering with some back end files? Anyway, I hope the Devs can come up with a solution but if it was me I would uninstall the rife/Tensor RT stuff first. If that doesn't work then I would uninstall SVP completely before reinstalling it.
svr wrote:I use 4 GPU threads. If I use only one, then my system starts to slow down.
Once you get it working I suggest you install rife v2. You might be able to reduce the number of GPU threads required.
svr wrote:Tried this new feature. I really liked the quality. Even on my not-so-new PC with RTX3060, it works in realtime with 1080 video. But I have a problem. After 30-60 minutes, the video driver freezes with the following events:
The description for Event ID 0 from source nvlddmkm cannot be found. Either the component that raises this event is not installed on your local computer or the installation is corrupted. You can install or repair the component on the local computer.
Faulting application name: mpv.exe, version: 2.0.0.0, time stamp: 0x00000000
Faulting module name: nvinfer.dll, version: 0.0.0.0, time stamp: 0x638eab04
Exception code: 0xc0000409
Fault offset: 0x00000000046172f5
Faulting process id: 0x54
Faulting application start time: 0x01d954a7b9c628bd
Faulting application path: C:\Program Files (x86)\SVP 4\mpv64\mpv.exe
Faulting module path: C:\Program Files (x86)\SVP 4\rife\vsmlrt-cuda\nvinfer.dll
I tried different versions of video drivers, tried different players (MPV, MPC-HC, MPC-BE), the result is the same everywhere - it works well, but after a while it crashes.
I thought you might be running out of memory, but I'm running on a 3080 with 4GB less memory than the 3060. How many GPU threads are you using? With 8GB I've found that any more than 1 GPU thread takes up too much processing and memory. I assume that you are using the TensorRT engine? Also using rife v2 took my GPU processing below 90% while also removing the seek delays I had with rife.
I've added the v2 models and seeking peformance is massively improved. There is no longer any difference in seeking whether I'm using RIFE or not. But I'm a little confused because it works with my TensorRT engine as well even though there isn't a direct option to choose this AI model like there is for Vulkan.
Just as an aside, it's a pity that when using the Tensor engine, it has very noticeable artefacts when watching the movie Gravity with the stars in space. They shimmer like a black coat is being run across them. This doesn't happen on Vulkan or Automatic and it's annoying.
Very interesting.
But I use a separate media player when I want to upscale from a low quality source. I play movies mostly above HD resolution downscaled to HD which didn't work well for me with RIFE using MPC-BE and MadVR. MPV does work well and allows me to render and scale to an even higher quality but at the cost of much higher GPU utilisation.
I've been trying for a while now to get RIFE running smoothly with my 3080 with MPC-BE. I've given up on that so instead I tried using MPV and there was an instant improvement. It still needed a bit of work and I had to learn about MPV config files so that I could configure it to match the scaling used in my MadVR config. Now it looks great and runs very smoothly.
earl088 wrote:Trying this out on a 2160p Doctor Strange at x4 FPS and the 4090 struggles though it only shows 70-80% GPU usage.
x3 works perfectly though.
How do I get the Tensor Engine option. I've installed the latest update and it's not there.
Edit: Ignore I found it.
cemaydnlar wrote:After days of trying these are the best settings you will get for max smoothness min artifact.
levels.pel = 2;
levels.gpu = 0;
...
smooth.scene.limits.m2 = 7200;
smooth.scene.limits.scene = 10400;
Artifact masking disabled. Svp shader 21. Frame rate conversion to screen.
This made my slow pans much smoother but also made artifacts more visible with fast motion action. I think it was always there but now I have clearly seen it, I can't unsee it. When you pause a fast action scene the screen looks like it is melting. So I've stopped using SVP.
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