Alien: Isolation

Alien: Isolation

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Andvari Mar 29, 2015 @ 1:28pm
Choppy cutscenes
Enjoying the game. Running it at 60 frames on full settings.

Except the cutscenes. They are very choppy to look at. Were they rendered in only 30 frames or something? It's somewhat immersion breaking when the game plays silky smooth but then you're introduced to the pre-3dfx 90s again when a cutscene rears its head with dat old-school 30 FPS.
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Im having the same issue, for a whlie I thought it was my PC (given the cutscenes LOOK like something done ingame, and my PC could easily handle them) but the FPS meter in the uper corner that comes with steam is showing it run at 60+ fps during them so they must be pre rendered (the game runs a constant 60+ fps for me with everything on high)...

Thing is they look like they are playing WELL bellow 30 fps, more like bellow 20, and some of them are really gittery (the one where Axel(?) confront Ripley in the room with all the body bags? His gun is stuttering around all over the place, they surly didnt record it like that and go, looks fine, well thats a wrap, next!).

So are the cutscenes pre-rendered or ingame?.. if they are pre-rendered why are they so poor fps?... loving the game so far, but like the OP this issue is confusing the hell out of me as well. And its like "Oh look cutscene!... oh a cutscene, hmmmm sigh"
Last edited by [88th] ColPresumptuous; Mar 29, 2015 @ 1:38pm
Nathan Mar 29, 2015 @ 3:01pm 
The cutscenes are prerendered, I know that because the fps counter leaps to insane levels with vsync off, and I hate motion blur, chromatic aberration and to some extent Depth of Field, and I disabled them, but in cutscenes they are clearly turned on.
And the fps is clearly low in cutscenes even though the fps counter says 300+
FsGoD Mar 30, 2015 @ 2:03pm 
Cut scenes are rendered at 30fps MAX. Confirmed by AVPGALAXY.NET during an interview with CA.
Andvari Mar 30, 2015 @ 2:35pm 
Thanks for the confirmation. Maybe it was necessary to fit the game on disc for the box version. At least I know it's not a problem on my end.
Ezekiel May 23, 2022 @ 11:33pm 
It's not the cutscenes, it's how the game is rendering them. When I extracted one of the USM video files with VGMToolbox, it played at a solid 30 fps.
Last edited by Ezekiel; May 23, 2022 @ 11:41pm
Ezekiel May 24, 2022 @ 12:06am 
Also curious is that the USM cutscenes when extracted are in MPEG-1, which might explain why the quality is so poor.
Coot May 31, 2022 @ 9:55pm 
I'm pretty sure as mentioned above the cut scenes are prerendered and were created some other way, totally separate from the in-game engine. That's the way its always looked to me. I would think though that they could have rendered them more cleanly and smoothly so as to not look so rough and significantly different from the main game engine. I don't always mind pre-rendered scenes as I grew up with them but games in recent years I think have spoiled us because when they can use the same in-game engine to render the scenes especially in real time, it makes for a more seamless, less jarring experience, even uncanny.

I wonder if its possible to extract and then re-render them with a better codec or process(not sure what you would call it) and then embed them back into the game directory.
Ezekiel May 31, 2022 @ 11:44pm 
Originally posted by Coot:
I'm pretty sure as mentioned above the cut scenes are prerendered and were created some other way, totally separate from the in-game engine. That's the way its always looked to me. I would think though that they could have rendered them more cleanly and smoothly so as to not look so rough and significantly different from the main game engine. I don't always mind pre-rendered scenes as I grew up with them but games in recent years I think have spoiled us because when they can use the same in-game engine to render the scenes especially in real time, it makes for a more seamless, less jarring experience, even uncanny.

I wonder if its possible to extract and then re-render them with a better codec or process(not sure what you would call it) and then embed them back into the game directory.
I'm pretty confident the game would still play them choppy. Witcher 2 used USM videos as well and yet I don't remember the cutscenes being like that. It's the game.

https://www.youtube.com/watch?v=ol83xrW9ApU
Coot Jun 1, 2022 @ 7:08pm 
Hmm that's interesting. I can tell from your video that the game's cut scenes do appear to run smoother outside the game. Its also interesting that the sound is not present which makes me wonder if its the audio within the cutscenes that introduce the stuttery look?
Ezekiel Jun 2, 2022 @ 12:15pm 
Originally posted by Coot:
Hmm that's interesting. I can tell from your video that the game's cut scenes do appear to run smoother outside the game. Its also interesting that the sound is not present which makes me wonder if its the audio within the cutscenes that introduce the stuttery look?
The sound is in those ADX files that I highlighted with my mouse. I showed the properties to show that the file sizes were the same and the extract wasn't compressed. I don't know how to put ADX files together.
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Date Posted: Mar 29, 2015 @ 1:28pm
Posts: 10