Emulator Issues #1325
closed
Slowdown when playing videos
0%
Description
What steps will reproduce the problem?
- Start a game
- Load a video (such as a cutscene) 3.
What is the expected output? What do you see instead?
The video is expected to play at full speed if the game plays fine
otherwise. A slowdown occurs when playing back videos, not sure why.
Probably a problem with streaming data from the ISO? AFAIK playing videos
should have minimal impact on the CPU.
What version of the product are you using? On what operating system?
Any version WinXP Pro x86
Please provide any additional information below.
This also seems to happen with small thumbnail videos such as the ones
seen in the Mario Kart Wii and Sonic Riders menus, although the slowdowns
aren't as severe.
Updated by PianoGamer over 14 years ago
What game? I noticed this in SSBB on some newer rev, did not happen every time but
sometime i got less than 10 FPS, while I usually have 150...
Updated by sl1nk3.s over 14 years ago
what revs are you using ?
could you try on r4063+ ?
Updated by
Updated by jayork42 over 14 years ago
I've always had optimize quantizer on, and this happens with any version of Dolphin.
Updated by sl1nk3.s over 14 years ago
- Status changed from New to Questionable
"AFAIK playing videos should have minimal impact on the CPU."
WRONG, these videos are encoded/compressed etc., the Gecko CPU still has to decode
them, this is emulated "on the fly" (there's no high level emulation for video
decoding or whatever) which has an impact on the CPU.
Please don't forget to tell us what's your CPU.
Updated by cacofff over 14 years ago
So as long those video formats are known, does the possibility to HLE those exist?
Updated by Anonymous over 14 years ago
would be neat to get a profile of such a thing.
Updated by XTra.KrazzY about 14 years ago
must be simple floating point instructions...
Updated by atrauzzi about 14 years ago
Fire Emblem: Radiant Dawn has some pretty choppy videos. Right at the intro.
Ubuntu 9.10 64bit
Core2 Duo 2GHz, 4MB
2GB RAM
GeForce Go 7900 GS 256MB
7200RPM HDD (FWIW)
Updated by william.ribeiro.ibiapina about 14 years ago
I'm having similar issues with DBZ Sparking Meteor: the opening and staff roll videos
are too much choppy.
My specifications:
Windows Vista Home Premium x64
AMD Athlon Dual Core GL-62 2GHz
4GB RAM
NVIDIA GeForce 8200M G
Updated by eodeth almost 14 years ago
This issue is still in newer revisions, I've tested it and noticed that the higher
the resolution, the more the video lags.
In Mario Kart Wii, the menus, all of which have videos in the background, lag
severely down to ~10 fps at 1600x1200
Amd Phenom II x4 @3.6ghz
8gb Corsair 5-5-5-13 DDRII-800
Nvidia Geforce GTS 250 512mb
It's only the videos that lag... in any GC/Wii game
Updated by eodeth almost 14 years ago
After some testing, it only lags if textures are being dumped, also I haven't tried
with the OpenGL Plugin. So, unless you want to dump textures, then the issue is invalid.
Updated by skidau over 13 years ago
- Status changed from Questionable to Invalid
I think this is a symptom of many issues. There is no code in Dolphin dedicated to playing videos.