Source Filmmaker

Source Filmmaker

shy May 4, 2013 @ 4:21am
Render 'lag'
I wouldn't really call this a bug with the SFM, but when I render my 8 second clip, the final thing is fine and looks great up until about 5 seconds where it lags for about 2 seconds and the audio keeps breaking up until the 7th second, where it's all fine again.
I'm rendering an AVI with audio checked, with a resolution of 1080x720.
All progressive refinement settings are ticked, as is Ambient Occlusion.
Any help?
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Showing 1-15 of 18 comments
R234 May 4, 2013 @ 4:07pm 
SFM exported AVIs are huge, it's entirely possible it's just so big your computer has a hard time playing it. you should try exporting it into another format like MP4, see if it works. MP4s turn out too dark though, so that'd be as a test only.

If that works fine, your best bet for a good looking and reasonably sized video is to export it as a PNG image sequence and WAV sound file, and putting them back into a video with a program like VirtualDub.
Crazy Joe Jun 3, 2013 @ 10:02am 
I just made a video that turned out laggy. I fixed it by putting the laggy video through movie maker and rendering it as an mp4 that way. Wasn't dark either.
Misturgy Jun 3, 2013 @ 5:27pm 
SFM exports uncompressed (or barely compressed) .avi files, making them really hard to watch without lagging.
R234 Jun 3, 2013 @ 5:31pm 
Oh, making an SFM made AVI into an MP4 with an editing sofware won't make it dark, it's just SFM made MP4s that end up dark ;)

Yeah, running the AVI through an editing software can work too.
Last edited by R234; Jun 3, 2013 @ 5:32pm
Loli Ferret Jul 29, 2015 @ 9:56pm 
I figured it out, it is so simple, go to render settings, and turn off motion blur
Sage Morten Sep 29, 2016 @ 12:20pm 
I don't know if this forum is even still relevant, but I've tried everything except rendering it out as MP4, I've installed quicktime but it doesn't recognize it. I honestly have no idea what to do now
Marco Skoll Sep 29, 2016 @ 12:50pm 
Originally posted by Kitsune Namu-Chan 合成ナム:
I honestly have no idea what to do now
Most of the video exports are broken in SFM. The only consistently reliable export is Image Sequence (with a .wav for sound).
Most modern video editors can load these picture sequences, but for those that can't free offerings like Blender and VirtualDub can stitch it back together into a video:
Sage Morten Sep 29, 2016 @ 1:19pm 
The thing is, this issue has only just occured today. Every other time has been just fine, is there anything that could have caused this?
Marco Skoll Sep 29, 2016 @ 1:25pm 
Without seeing the entirety of your computer update logs, I couldn't know.

But it could simply be chance. Sometimes the AVI renders work, sometimes they don't. With enough people using SFM, then a few of them do get through several renders on luck alone before they finally hit SFM's bugs.
noRktreSS Sep 29, 2016 @ 1:27pm 
not relevant
Sage Morten Sep 29, 2016 @ 1:36pm 
and does anyone know the Quicktime issue to? It doesn't seem to show up on the render settings
Marco Skoll Sep 29, 2016 @ 1:59pm 
I don't recommend spending any time worrying about Quicktime.

Apple themselves no longer support it because of numerous security errors, and even if you can make SFM recognise it, the formats it adds render video that is either too dark or too light.
Sage Morten Sep 29, 2016 @ 2:16pm 
If picture sequences is the only way, then that must be a bit ♥♥♥♥♥♥ spending all that extra time putting them all together
Marco Skoll Sep 29, 2016 @ 2:41pm 
Overall, "all that extra time" is barely even noticeable.

At the higher end of render settings I use for videos, I expect a scene with lots of lights and models to take up to about 12 hours to render per minute of footage. (Newer and better computers than mine will obviously do better!)

Compiling and encoding those images into the final result? Less than five minutes per minute of footage.

That's far, far better than finding out at the end of many many hours of rendering that the whole thing has corrupted.
Last edited by Marco Skoll; Sep 29, 2016 @ 2:42pm
Sage Morten Sep 29, 2016 @ 3:41pm 
I can't really relate to the hours of rendering since I render my scenes in sequences and edit them together afterwards. It's that that's a bit♥♥♥♥♥♥ I never really had a problem with it. What sort of programs will be best to put together the sequences?
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Date Posted: May 4, 2013 @ 4:21am
Posts: 18