Continually having to Re-Render

Hello All,
My current saga/battle with rendering continues. For the first time (on a project basis), I am having to re-render each time I move away from my project and return. For example, I am working on a piece in FCP. I render the video and audio, I go to STP to work on a composite narrative piece. When I return to FCP (I didn't import anything yet), it needs to be re-rendered. I have not encountered the need to do this so frequently on other projects. Any idea what's going on?
Thanks.
DG

David S.
I think you hit it. I went back and looked at all of the files I am using in my piece. The material coming from my camera was matched well. However, I discovered that the soundtrack I'm using was m4a format. I think this caused a lot of rendering struggles. I've switched/converted to aiff.
Thanks.
DG

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Continually having to Render

I am working on a project with multiclips, 5 camera shoot, stereo audio. All the clips in the multiclip/sequence (and the entire project for that matter) are of the same frame size (1920x1080), all same video rate (29.97). All clips are Apple ProRes 422. Quicktime Video in Sequence Settings is set to that too.
Everything I thought to check looks like it's all set correctly, and every clip is the same. But when I hit play, it starts to stutter after a few seconds. I realized that the whole timeline needs Rendering (green line across the top). After I Render, if I choose a different angle from the multiclip, it also needs to render, and then if I go back to the clip I just finished rendering - it needs to be Rendered again!
Can someone please help me figure out what this issue is. I've tried several things to try to get it straight, but am at a loss here.
Thanks in advance.

Apple Pro Res 422 HQ is a 22MBp/s format so you have to times that by five which equates to 110MBp/s that your drive needs to supply to your editing system.
The bright Green on your timeline is FCP's way of telling you that 'I may drop frames trying to do this but I'll give it my best shot' rather than the orange ' you can try and play me but I'm warning you I ain't happy about doing all of this without rendering'.
I doubt a two x drive internal RAID will do it if you don't have a RAID card installed in the computer (would have to be a Mac Pro)
A good tool is AJA's system test tool that comes with their KONA software and hardware. You can set this to do a diskwhack test on your hardrives and see what speeds you'll get off of them.
You can download the KONA software for free without the hardware but just bear in mind it'll install all the easy setups for your FCP system as well.

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While on Firefox, I continue to have to restore the page to use it. Especially after I have just switched to that page

Start Firefox in [[Safe Mode]] to check if one of your add-ons is causing your problem (switch to the DEFAULT theme: Tools > Add-ons > Themes).
* Don't make any changes on the Safe mode start window.
See [[Troubleshooting extensions and themes]] and [[Troubleshooting plugins]]
If it does work in Safe-mode then disable all your extensions and then try to find which is causing it by enabling one at a time until the problem reappears.
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* Close and restart Firefox after each change via "File > Exit" (Mac: "Firefox > Quit"; Linux: "File > Quit")
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Your above posted system details show outdated plugin(s) with known security and stability risks that you should update.
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Having to constantly render my audio!

I just upgraded my fcp but for some reason the audio needs to be rendered every time I lay a clip down . Now I am using a cheap little hd and the files are mov when I try to adjust the audio settings everything seems right but it isn't any suggestions?
Thanks,
Sauce

Are both the clip AND the FCP Sequence set for AIFF, 48khz, 16 bit (or both 32khz, 12 bit)? If they don't match, you will have to render.
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Having trouble reconnecting render files

Hi-
I recently had to move a project from one hard drive to another, and although all the files are relatively in the same hierarchy (only the drive itself has changed) when I load the project in it shows almost the entire timeline needing rendering, both audio and video. When they were on the original drive, the entire project was rendered and it was completely done. Now when I look in my audio render folder and it seems that the render files are all split up in three separate project files... as time went on I would "save as" in order to have permanent backups, so maybe FCP is "confused" as to which of those subfolders each audio render file is in. The video render folder is similar, spread out in two different subfolders. So it looks like my render files are split among two folders in video render, and three folders in audio render. FCP never had any trouble with this arrangement before, keeping track fine.
When I select "reconnect" from the menu, "render files" is ghosted... it won't even let me select it. Am I really going to have to re-render everything to get my project back just because the files were moved to another drive?
Or could I try putting all the render files in one drive (move them up a level and out of the subdividing folders). Would that help FCP "find" them to reconnect with them? I'd backup the entire render file folders first in case it didn't work.
Thanks!
Leslie Bell

I'd not change project file names mid stream... it's really best to backup OFF the computer too. A USB flash drive works really well for this... When you change project names, and capture or render, the files get put into new folders named the same as the new project file's name... sort of messy.
You can put a flash drive in a USB port, and each day, just drag your project file to it, replacing the old... that way no matter what happens to your computer, the project file will not be affected.
Jerry

Importing AVI files without having to constantly Render?

I got a new camera for my b-day, but it uses a hard drive instead of a tape. So, instead of "capturing" video by playing it through the FCE interface, I just import AVI files right off the camera. However, now when I want to drag a clip to a sequence, it is always Unrendered. I have to go through the pain staking process of rending long clips, and as I edit parts of it become unrendered again. It is making editing a real hassle!
Is there a way to get the clips into the software in a format that will resolve this problem? Or is there some other solution that I'm not thinking of?
Thanks - Berrett

Hi,
FCE doesn't work with the AVI format as standard, so it has to render all time.
You need to convert your material first in one of the supported video format for FCE.
FCE4 supports only DV, HDV and AVCHD (last two only through the Apple Intermediate Codec).
Depending what original video format you are shooting, you can try to use a free utility like Mpegstreamclip (www.squared5.com) to convert your source material into one of the supported by FCE.
If your camera is SD definition you will be using the DV format, otherwise you will be converting into the Apple Intermediate Codec, as a QuickTime movie in all cases. No avi.
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Continually having to repair permissions

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Launch the Console application in any of the following ways:
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Click the Clear Display icon in the toolbar. Then try the action that you're having trouble with again. Select any messages that appear in the Console window. Copy them to the Clipboard by pressing the key combination command-C. Paste into a reply to this message by pressing command-V.
☞ The log contains a vast amount of information, almost all of which is irrelevant to solving any particular problem. When posting a log extract, be selective. A few dozen lines are almost always more than enough.
Please don't indiscriminately dump thousands of lines from the log into this discussion.
Please don't post screenshots of log messages—post the text.
☞ Some private information, such as your name, may appear in the log. Anonymize before posting.

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Sorry, no.
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For all of you who are having Motion Menu render problems - try this

Just humour me for a minute.
I have another Sonic application, and a known bug in the Motion Menu rendering applies to 29.97DF projects only.
IE, NTSC.
Often the video in a motion menu will fail to mux.
There are workarounds though.
1 - Make sure your GOP structure is 15 at most
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>Are you saying that NTSC 29.97 divided by 15 is okay?
Not really.
What I am saying is that your movie frame length should be divisible by the GOP structure with a GOP of 15.
With NTSC video, you can have GOP lengths
i up to
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MPEG-2 encoding (AKA "Moving Pictures by Educated Guesswork") P & B frames work something like this:
i P-frames provide more compression than I-frames because they take advantage of the data in the previous I-frame or P-frame. I-frames and P-frames are called reference frames. To generate a P-frame, the previous reference frame is reconstructed, just as it would be in a TV receiver or DVD player. The frame being compressed is divided into 16 pixel by 16 pixel macroblocks. Then, for each of those macroblocks, the reconstructed reference frame is searched to find that 16 by 16 macroblock that best matches the macroblock being compressed. The offset is encoded as a "motion vector." Frequently, the offset is zero. But, if something in the picture is moving, the offset might be something like 23 pixels to the right and 4 pixels up. The match between the two macroblocks will often not be perfect. To correct for this, the encoder computes the strings of coefficient values as described above for both macroblocks and, then, subtracts one from the other. This "residual" is appended to the motion vector and the result sent to the receiver or stored on the DVD for each macroblock being compressed. Sometimes no suitable match is found. Then, the macroblock is treated like an I-frame macroblock. The processing of B-frames is similar to that of P-frames except that B-frames use the picture in the following reference frame as well as the picture in the preceding reference frame. As a result, B-frames usually provide more compression than P-frames. B-frames are never reference frames.
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in the scene.
The bitrate can also affect things - I mentioned this too, and if a motion menu will not mux, first make sure that the film length is divisible by the GOP, and that the GOP is 15.
If it
i still
won't mux, drop the bitrate by factors of 500 until it will.

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FCP (7.0.3) continually losing render files

MacPro build 5,1; dual 2.66 6-core Xeons, 16 gig RAM, OS 10.6.8.
This is more a request for speculation and enlightenment than a cry for help. I have my opinions as to why its happening, but I'd appreciate any suggestions the greater minds in this forum could provide...
At one of my major client's facilities, their FCP system is what I would describe as "not set up according to best practice". By that, I mean they have an internal RAID5 with 4 1TB drives (2.61 useful capacity), upon which both the applications and the media reside.
As I told them when they first set this up, "this can cause problems", and I think this might be one of them. I am CONSTANTLY having to re-render. No, it's not differences between media and timeline formats. No, I'm not moving/deleting/monkeying with the media on the desktop. I render, save, quit...and when I re-open the project, there's about a 50% likelihood that the sequence will have to be rendered again.
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Im confused how your Mac Pro is set up
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the internal Raid which is a separate physical drive from the boot drive containing the scratch disc folder
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Continually having to Re-Render

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