Hello,
this might not be vray related but i bet there are some video and animation professionals here…So heres my problem, i was rendering out several slow camera movements in FullHD with 25fps and when i import the files into After Effects and do a RAM preview or render out a movie file then the movement is stuttering or lagging, i dont know how to call it. I tried reducing the framesize tp 720p and used 30 fps but still there is this stuttering going on. I never had this problem before and i am running out of ideas and i could use some pointers. I was checking another animation i did 2 weeks ago with exaclty the same settings as above and (720p/30fps) and it plays very smooth, no lagging or stuttering. You can download a small sample file here: https://transfer.short-cuts.biz/pickup.php?claimID=kmGs700XHWR1yBgp&claimPasscode=wc2bMmJ2KVCCgFm9
dont judge the quality, it was just a quick test
my question is, what casues those laggs and how to avoid them?
Basic one - is your after effects project set up to use 25 or 30 fps as it’s timecode? You can bring footage with one rate into a project with another rate and it’ll try and convert things. Also image sequences are given a default fps in your after effects preferences and it’ll use that for every sequence brought in regardless of what your project / composition fps is.
Footage and composition is set to 30 fps. Just did another test with a simpler geometry to fasten things up and slightly different GI settings - somehow this plays fine in After Effects and in vlc player…
The 1080p footage with 25fps is lagging, the 720p with 30 fps ssems to be fine now, i dont get it. Do you guys render 1080p with 50 fps? Anyway, i will setup another render for tonight in 720p 30fps using the settings i used for my test and see how it comes out. thanks for your input!
I render whatever it’s going to be broadcast on - the majority of the shows I’m doing now are american so it’s normally 1920 x 1080 at 24fps but when I was working on commercials it was always for broadcast on european stations so it’d always be 25fps and either 720 x 576 back in the standard definition days, or 720p / 1080p for ads. Do you see the playback issue as the video appearing to “tear” at some point or is it another strobeing thing? Is it something like a lack of motion blur instead?
hmm, yeah, thats what i usually do too, never had to render more then 25 fps for our animations (europe). but this one drives me crazy. i uploaded it to yt so you dont have to download the sample, you got a pm with the link.
there is nno motion blur enabled but the camera is not really fast, just a slow pan across a couch… nothing fancy. i will run a testrender with mb enabled tonight.
EDIT:
Just watched your video, totally fine over here if this is supposed to be showing an issue.
Back home and guess what, almost no issues with the video tried it on at least 5 computers at work and it always had a playback issue, i cant belive it. at home it plays good, i was setting it to loop to watch it a couple of times and sometimes there is the same issue i have at work but most times it plays allright. now i have to figure it out what causes the troubles at work - a whole day of troubleshooting for something that seemed to work :o
thanks again for your feedback!
