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Multicam performance issues – Yikes!
I’ve got several multicam sequences (3 cameras) I’m working on, and they all have the same issues to varying degrees (CS5.5). Performance is very sluggish in the master/final sequence, and there are frequent delays due to the program “rendering required files”. Sluggish in this case means that if I move the playback head along the timeline, it can take up to 10 seconds for the program window to update. If I hit the space bar, it takes the same amount of time before the sequence starts to play. Playback is fine once it starts, it’s just this horrible lag that’s the problem. If I go back to the original mutitrack sequence, everything is fine. It’s clearly a problem in the nesting process. When I set these files up the first time, everything seemed fine. It’s only after they have been opened and saved a few times that things have degraded.
I’m using a 2009 MacPro, dual 2.8Ghz quad-core, 16GB RAM, NVIDIA Quadro 4000. I have 4 1TB internal drives. Source material is ProRes and h.264.
I’ve tried deleting the preview files. I’ve tried importing the sequences to a new project. Nothing is working.
HELP!
Steve Keller
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4 Replies
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OK, I found (and modified) a workaround an earlier post on this topic. For some reason, even though there is only one track of audio in the original sequence (I deleted all the unnecessary tracks), this is the source of the problem. For some reason, the PP thinks it needs to do all sorts of processing on this track. I copied the track, turned it off, pasted the track in the nested sequence and everything’s hunky-dory.
Seems like a bug to me.
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MORE ISSUES!!!
I have three project files all created the same way. Mulitcamera sequence, nested to second sequence where a multicamera edit is performed. Then this sequence nested in a third sequence where the final edit is done. Turning off the audio of the first sequence did the trick at first for all three projects.
BUT NOW, two of the projects are incapacitated. The dreaded “Rendering Required Files” message is popping up every time I make a change. I have even tried letting the thing “Render”, saving the file, closing the file, then opening the file immediately, hit the space bar. AND Guess what pops up… of course – “Rendering Required Files”. It’s like it can’t find the file it just rendered, or isn’t looking.
This is a nightmare. I’ve been editing digitally for 14 years – as long as desktop editing has been around. A friend who happens to be a product manager at Adobe convinced me to try PP for this project, and knowing that Apple was giving up on pro users I decided to take the risk.
BIG F-ING MISTAKE. This software is garbage for serious work. May be OK for a wedding video or music video, but clearly not for something this complex.
Anybody have any ideas as to what’s going on??????
BTW, Adobe tech support’s answer was to update the graphics card driver. Oh yeah, that should do the trick.
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The rendering is for the audio to make the nested audio into a waveform. I hear you are having issues with it so here is a work around…
Copy and paste the audio tracks you have set to sync in the nest which becomes the enabled multicam clip so that you have the nest enabled in a ”switching” sequence and the actual audio from the original clips underneath. Have an empty active so that you can point the multicam window to that and not affect your audio tracks when switching.
File any bugs you find at this site and Adobe will work on it.
https://www.adobe.com/cfusion/mmform/index.cfm?name=wishform– JB
PS; if you stack the clips and sync them. Then select them and make a nest the video track will be replaced with the nest clip but the audio with stay underneath. That’s how I build the multicam project its quite quick once you know. The render issue doesn’t POP up as the audio isn’t nested.
Jon Barrie
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