Re-Linking rendered preview files?

I had to move an entire project from one drive to another. All contents were moved in the same folder structure including the preview files. Now the rendered preview files dont link up to the project. How can I re-link thses files?
Thanks
Ben

Thanks Jim, but Premiere did not ask for the file location when it started up.
Harm, so you are saying I need to re-render everything?. Seems like Adobe would have a way to make this work.
Anyone from Adobe have a comment on this?
Thanks
Ben

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Premiere CC 2014 losing link to Preview files - what I've found

Upgraded to Premiere CC 2014 in an effort to resolve the dreaded "losing link to Preview files" problem.
After some testing, I've discovered that I need to actually close any and all timelines before saving/quitting in order to keep the link intact.
This workaround works for a variety of timeline types (ProRes and Avid 220), and irregardless of what type of external drive I am rendering to.
Has anyone else had this type of "losing links to Preview files" behavior?
FYI, I am on OSX 10.8.5...
-Christian

The issue could just be this...
and irregardless of what type of external drive I am rendering to.

Rendered preview files not loading after mavericks software update

Once I render and save a project, exit out, and come back in, the rendered files that I "saved" are not rendered. This all happened after the mavericks software update

Adobe/Jive have a BAD title for the SEARCH THIS FORUM function
Go to http://forums.adobe.com/community/premiere and, in the area just under Ask a Question, type in
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mavericks
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How to set directory for preview files?

I have my Media Cache folders set to an external hard drive, but Premiere Pro still continues to create hundreds of rendered preview files in the default location of Users/username/Documents/Adobe/Premiere Pro/8.0/Adobe Premiere Preview Files, filling up my main disk and then crashing when it gets full. Is the preview file folder a separate setting somewhere?
Mac Pro 5,1, OSX 10.9.4

I am having a problem with this as well since installing 8.0. PP 7.2.2 and previous versions did not have this issue.
When I set the Media Cache preferences to store all cache on an external hard drive it will in fact do so with the exception of IMS files which it still puts in the default of C:\Users\USERNAME\AppData\Roaming\Adobe\Common\Media Cache Files.
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Remove Preview Files & Consolidation

At one point in a project, I cleared all renders and deleted some unused sequences. Now when I open that project I am asked where the rendered preview files are. I click 'Skip previews' and move on. Is there a way to have CS3 stop asking for the old previews?
Also, how do the 'Remove unused' and 'Consolidate' (I kknow that's an Avid term but I forgot the PP designation) functions work? Do they physically remove files from drives or just the project?

I tried 'Offline' but it produces an error message stating 'not a valid file'.

Preview files turn red

Hi all,
since yesterday after re-opening my Premiere Pro CC ( 2014.0.1) project some of my preview files in the project window turned red. I figured it must have been an render error with the preview files. So I deleted the cached rendered preview files. After the system rendered them again, they still turned red. So I deleted the presets( Shift + Command ) to see if that helps, but the files stayed red.
I work over a Thunderbolt hard drive that is connected, but it never had any problems like that before. It started pretty much erratic. Now it seems I can't get rid of it.
When I do the render in-out on the timeline, the red parts stay ( or flicker occasional into the video ) and the color bars stay the way they are ( don't turn into green ).
I worked fine with the project and the material for over a week now. Only yesterday it started to act up. The project itself and the render cache of the preview files are on a internal SSD drive. The video material is in MXF files shot by a PMW300.
Here is a screenshot of how it looks like.
MBP late 2011 i7 2.2 Ghz, Quad core, 16 gig ram.

Re: rendering issue: I'd blame the plug-ins before I blamed the software. It's up to the third-party manufacturer to make sure their software or hardware works with the platform it's running on, not the other way around.
Re: missing preview files: I'd guess that something changed enough "under the hood' with the upgrade that the previously-created preview files were no longer viable on the upgraded software. What it was, I couldn't say--but prudence suggests not upgrading in the midst of a project, especially one that's time-sensitive.
The only way I can imagine that you'd be able to recover the existing preview files is to uninstall Premiere and then apply the update that was "last good" (I'm guessing this means 4.0.1). Then, try opening a back-up of your project file (hopefully you have one), or if all else fails, an auto-saved version. Beyond that, your only hope is that the render goes smoothly with the last update; though as Jim suggested, there's no reason to render if you're planning to export to a file. Just set up the export, and cross your fingers.

Safari 7.0.6, using Adobe Acrobat 11.0.10, aren't rendering pdf files in the Print Preview screen. Additionally, only a single, blank page prints for a multi-page pdf document. Any ideas?

Safari 7.0.6, using Adobe Acrobat 11.0.10, isn't rendering pdf files in the Print Preview screen. Additionally, only a single, blank page prints for a multi-page pdf document. Any ideas?

Figured it out. It had nothing to do with the software levels of Safari or Adobe Acrobat. Here's the fix:
Open Finder/Applications
Search "Internet Plug-Ins"
Move any Adobe plug-ins to the trash
Quit Safari
Launch Safari
Your pdf document should now render in Print Preview and print properly.

Preview file rendering halfs the resolution

Hi,
I have a problem with Premiere Pro preview files: their horizontal resolution is only half of the set resolution. This is seen in the Program window both when playing back and stopped (playback resolution and paused resolution are both Full). If the clip hasn't been rendered for preview, the resolution is full. Just when rendering the preview, the horizontal resolution gets half. I'm using Apple ProRes as te preview codec (I do not want to use MPEG for its bad quality). Why is this happening? I need to have the full resolution for playback with ProRes codec, but how can I get the full resolution? Please, help!
My Sequence Settings are (for instance):
Settings
Editing Mode: Custom
Timebase: 25.00 frames/second
Video
Frame Size: 1920 x 1080 16:9
Pixel Aspect Ratio: Square Pixels (1.0)
Fields: No Fields (Progressive Scan)
Display Format: 25fps Timecode
Audio
Sample Rate 48000 Hz
Display Format: Audio Samples
Video Previews
Preview File Format: QuickTime (Desktop) / (GammaCorrection: Automatic)
Codec: Apple ProRes 422
Width: 1920
Height: 1080
Maximum Bit Depth (not checked) Maximum Render Quality (not checked)

It looks to me like an "aliasing" problem. I am suggesting you search ( google, speak to other users using the same workflow you are, etc. ) about " aliasing " problems with your display of rendered pro res 422 files. If you focus on 'aliasing' issue, instead of calling it half resolution and so on, it probably will address your problem faster because people with that problem will know what you mean.
I posted this earlier and gives a hint what I am referring to.
http://forums.creativecow.net/thread/2/1007725
I am wondering if in the render of the source ( pro res 422 render ) you are losing that color information indicated by the " 2 ". As you dont experience problem using animation and pro res 444, that is my guess.. that you are losing the color info...hence the problem of aliasing.
What blows my mind though , is that you don't see the aliasing when you go to AE with the same rendered file. That is just downright weird.
I don't know if you want to actually solve the problem ( find out why this is happening really )... or if you are just fixated on blaming the software for something you want to work differently. I think solving the problem may involve doing some more steps on your part. For example, have you taken the rendered file ( or ftp to someone etc ) to another computer like yours... to see if they also see the same thing ?
If they don't see the same thing, if it is OK on their computer, then maybe it's your graphic card or graphic card 'settings' causing the problem.
Have you spoken to anyone at an apple store about this ? They may have heard of this problem from other users... and if you have a store nearby, you can take the rendered file there and see if it looks OK on their computer.
I do wish you luck finding out whats going on, and am personally interested in what you find out ( which is why I keep looking at this thread ). I know lots of people who use pro res and also use it on motion picture 'sets' while shooting... at the DIT station or at video playback, to look at basic playbacks ( usually with some basic color correction etc , like rec709 or whatever )...So what you want to do is actually being done, but I just moved to MN from nyc and dont work in movie biz anymore and dont want to get involved with hooking you up via ftp to some local 600 people.
First step I think is for you to keep an open mind and start dealing with the aliasing issue and try to see if others see the same thing on similar machine as yours.
Or else think of some other way to solve the problem... cause nobody else I know has ever seen this or I would have heard of it I think.
Also, this is a users forum, not adobe technical support... have you called them ? So please be patient with users here trying to help you, as we are just people who try to help when we can and don't work for adobe.
Thanks and good luck, and please let us know what you find out cause this problem is very weird.

In cs6, my preview files are not saving on my Dynamic Link AE comps when i reopen the project

i cant figure out the life of me what seems to be the problem
This has been going on for a long time for me, dont know if anybody else has this problem, but for me, when i render out the whole entire sequence, everthing has the green bar, i save, i quit and reopen, the red bar appears and i have to re render all the Dynamic link comps again! its really annoying, i feel like its just collecting more space every time i do this
Any fix for this, and here are my specs
Macbook Pro early 2011
Processor 2.2 GHz Intel Core i7
Memory 8 GB 1333 MHz DDR3
Graphics AMD Radeon HD 6750M 1024 MB
and im running mountain lion

It happens sometimes that preview files get lost. There's no definitive fix yet, but you could try this:
http://forums.adobe.com/thread/1144624?tstart=30

I am developing a book via email with a collaborator. iBooks Files are sent to me via a link to preview on iPad. This worked fine for a while but now getting download errors and the unhappy mac face saying download failed. Any ideas?

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Corruption of RAW files / rendering preview

I have recently imported many RAW files that I took at an event. The problem is that whilst many of the photos look great, approx a third initially look good but then a 'rendering preview' message comes up - once the message has disappeared the photo's change and end up looking awful!!!
Without meaning to sound ungrateful, before anyone gives the standard role-out answer, I am very aware that RAW files do not contain camera settings etc etc and that the image that comes up instantly is a jpeg until it has finished rendering etc etc. The point being that all photos were taken on the same camera, in the same situation, on the same card and dowloaded at the same time.
Why are only some of the shots coming up with the 'rendering preview' message? The majority render instantly and look great!!
Why do they look so bad. The best way I can describe the way they look is:
very little dynamic range
high contrast
too much gamma
blown highlights
very poor quality
cold
Thanks in advance

Hi Guy,
Having the same problem and discussion here:
http://www.dppro.co.uk/forum/viewthread.php?forum_id=14&thread_id=144&pid=841#post_841
I've checked my "edit/Preferences" and on the Pre-sets Tab my auto tone box is not checked. I don't think it's that but it's at least a helpful suggestion.
You ask" Why are only some of the shots coming up with the 'rendering preview' message? The majority render instantly and look great!! "
it will be the amount of cache/virtual memory you have set aside for Lightroom. The previews will be generated up to the cache limit and then only on demand. Click on one of the unaffected previews and I'll wager that goes south too :o(
I think it's a bug. Your comment about expecting people to say RAW files don't have camera settings. I think that's off the mark. My understanding was that RAW files didn't compress any in camera tweaks irreversibly. It makes no sense for new DSLR's to have all these fancy features if the optimum file format chooses to ignore them. Why bother to put them on Pro spec cameras if they can only be used on Jpeg files? i could be wrong but I'm there's just no point in having all the settings in camera if any serious enthusiast/Pro looking to get the best from their investment has to put hours in on the PC because the premium file option ignores their in camera effort. I though RAW was about options and being able to change your mind. Like I say i could be wrong but I think it's a bug.
I had to upgrade to v 1.3 so I could get the software to read my D300's RAW files. I'm sure an earlier version of lightroom used to pull this stunt too but I'm sure my Fuji S3 files were not...abused... in this way by v1.2.
I'll watch this thread with interest. I hope it works out favourably.
Regards David

Audio rendering problem, can't export- hundreds of hours, audio preview files hundreds of gigs

Hi,
I'm working on a feature doc and trying to render and export about 4 hours of material. Please advise.
Premiere Pro CC 8.2.0 (65) Build
Mac Pro 3.2 GHz Quad Core Intel
16GB 1066 MHz DDr3
OSX 10.8.5
The sequence is mixed media, this is a doc with numerous cameras and formats. Most of the footage is in multicam clips. I am able to play back OK and the video rendered in about 4 hours. Fine. But when I try and export audio, the process of generating preview files for export is unbelievably slow. I let it render for 4 hours and it got to 0.5% and created 350 gigs of preview files, larger than the picture files!!! There must be a problem with my settings or the software because this cannot be right. This is my first premiere project (after 10 years of FCP) and would greatly appreciate any advice.
I have tried:
cleaning the media cache
starting a new project with just the export sequence
restarting PPCC and the computer of course
rendering and exporting smaller sections of the timeline (ten minute chunks)
making a new sequence with multitrack audio instead of stereo playback. This allowed me to render the audio in about 1 hour- great! But when I tried to export (using an adobe preset for vimeo) it crashed. When I re-opened the project it is now back to saying it will take about 300 hours to render the same audio.
I've tried flattening the multicam, but this removes a large number of the audio files completely from the sequence. The selections I made in the multicam tracks in the sequence are not reflected in what is left of the flattened audio.

<<I'm speculating, but I doubt Apple would be able to provide Keynote so cheaply, or at all, if it were not for its successes in iPhones, iPods, and other major undertakings that require the full-time attention of its brightest and most dedicated people. >>
Good point. However, coupled with the fact that the Macintosh platform is more widely used for production of both audio and video in the entertainment industry than the "other" system, this cries-out the fact that audio is an important element of +some aspect+ of Apple's product focus.
Thus, it remains "a puzzlement" (to quote Oscar Hammerstein) that Apple has not paid more heed to the audio facilities and capabilities in Keynote - despite the long-time, repeated pleadings of many of us in this (and the Keynote Feedback) Forum.
Many of the problems that we are encountering and about which we are complaining have been known since the very first issue of Keynote. None has been addressed in subsequent releases. In fact, with respect to the problems of exporting Keynote presentations to other formats, some features have grown more problematic and less reliable - admittedly, not always as a function of Keynote (i.e. the problems with QuickTime).
As has been stated previously in this and other threads in this Forum, raging against Apple is futile and frustration is self-defeating. All we can do is continue to assist each other with "tips and tricks" in this Forum and to make our concerns known to Apple via the Keynote Feedback Forum.
Good luck to all.

Premiere Pro CS6 not loading/linking preview files - any suggestions?

MacPro 2010, 16-core, 2.66 GHz, 32GB RAM, Quadro 4000, OS X 10.7.4
When I save a Project and then reopen it, Premiere Pro CS 6.01 does not load the Preview Files from the Renders. I have checked the specified Preview Files location and the files are there.
In order to work, I must render the entire Project again - which is too time-consuming and counter-productive.
Am I doing something wrong? Any help would be greatly appreciated.

Same problem. I've done many projects in CS6 and this is the first time it's happened. FIrst half of the timeline was fine but the second half of the timeline, that was previously fully rendered, couldn't locate the preveiw files. The preview files are still in the preview folder but it doesn't see them in the timeline anymore. How do you delete those preview files since they are no longer recognized in the timeline? I know you can manually delete them in the preview folder by playing them and matching them to the video clips in the timeline.

Premiere Pro CS4 added contrast H.264 preview files

Hi,
Any help I can get with this problem would be amazing.
I recently updated my OS to 10.6 as there were programs I wanted to run not available on 10.5, however this caused other issues with Premiere that I couldn't fix so I just decided to go back to 10.5. With both installs I reformatted the hard-drive then installed the OS. Now that I've reinstalled OSX 10.5 and updated to the most current version, and then installed Premiere Pro CS4 and updated that to the most current version (4.2.1) and also updated the codecs for Premiere, I'm having an issue with my preview/render files in my timeline that I never had before. It appears that now when I render my original H.264 files the preview/render files have added contrast/crushed blacks and blown out highlights.
Basically I'm editing H.264 footage from a DSLR, and when I open up a project that I was working on before I began this upgrade mess it opens correctly, but if I extend a clip in my timeline to include part of the original clip that was not previously rendered, Premiere renders this clip with what appears to be increased gain and pedestal/increased contrast. I've also tried this in a new project and it still renders with much more contrast than it used to. Whether in a new project or previous project, Premiere seems to decrease pedestal so my blacks are around/below 7.5 IRE and my whites are at/above 100 IRE. it looks really messed up when this occurs in the middle of a clip that was half rendered before and half after the install. Also I'll bet it's not going to help when it comes to color correcting and it looks like I could be losing image data.
I don't know what has caused this as it was working properly before my attempted upgrade, and I installed Premiere the exact same way as I did the last time I installed it and I'm using the same version. The only hiccup was after the install and upgrade it said media offline on my old project until it asked me to update codecs, once codecs were updated it displayed all footage in my timeline correctly and then I noticed that I could no longer render preview files to the same standard.
Here are screen shot comparisons of a video from my timeline. These are back to back frames, the top one was rendered before the most recent install, the other rendered after. I have put a YC Waveform chart beside the image. Sorry I think the best way to see it is just to follow the link otherwise it's gonna be too small.
http://www.flickr.com/photos/86776146@N03/8101475154/sizes/l/in/photostream/
Also here is a screenshot of the settings I'll describe below.
http://www.flickr.com/photos/86776146@N03/8101463115/sizes/l/in/photostream/
Computer:
Mac OSX 10.5.8
Intel Core Duo
Premiere Pro CS4 (4.2.1)
Project Settings:
HDV 720p
29.97 fps
1280 x 720
square pixels
30fps drop-code
I-Frame Only MPEG (video codec)
I've already searched for a solution to this but come up with nothing. I read a bunch of stuff on the increase in gamma that can happen with .mov files but I don't think this applies to my situation as I would have been having that same issue with my previously rendered footage.
Anything would be really helpful...Thanks
Message was edited by: Mike542

Okay so I've been looking into this in depth over the past few days and I haven't come up with a lot. I have noticed that it's not just the render files but also the inspection window where the clip displays in this manner. It looks like the luma range (as seen in YCbCr scope) is being limited between 7.5 and 92 IRE and I think this is maybe a good indicator of the problem. Why this is happening I don't understand. On my clips that were previously rendered in this timeline there is full range from 0 to 100 in the luma from the YCbCr scope. These files were rendered to an external drive from before I reinstalled Premiere, so it's any h.264 files that I am using after reinstall that are having this issue. I have attached another screen capture illustrating this (look at line to right of scope showing full luma range). Also I have some .mts files from another camera and they import with full luma range as well.
http://www.flickr.com/photos/86776146@N03/8114886495/sizes/l/in/photostream/
When playing my h.264 files in Quicktime or VLC they look about the same in terms of blown out whites and crushed blacks. Does Premiere rely on Quicktime for its h.264 codec or does it have it's own? Is there a way to force premiere to update its codecs/manually download and replace the h.264 codec?
I really can't understand what's happening here and I can't do any work when imported clips are this messed up. Can someone please help out on this!!! Super frustrating and seems to constantly happen with Premiere...

Is it safe to delete preview files/folders?

I noticed I have 30gb or more of folders in a folder called preview files. These seem to be the product of rendering and look like a waste of space - what happens if i delete the whole lot for projects i no longer work on? would removing these and the CFA and PEAK files damage the ability to work on the file at a later stage? I could use the extra space!
j

First of all, there is a difference between preview files and Media Cache files.
Preview files are those, which are created when you render the timeline. By default they are .mpeg and .xmp. If you delete them via Sequence -> Delete Render Files, .mpeg files, which represent the current state of your timeline, will be deleted, whereas the rest .mpeg files, which represent older state of your timeline, and all .xmp ones remain.
If you delete them manually, i.e. without going to Sequence -> Delete Render Files, you will be asked about some missing media on that project re-launch.
Media Cache files, some of which are .pek and .cfa, are created when you import assets into a project. You can check the Media Cache files location via Preferences -> Media.
Deleting all files from both Media Cache and Media Cache Files folders is safe: PrPro will rebuild Media Cache Database from scratch on restart. Moreover, deleting all files from both Media Cache and Media Cache Files manually sometimes helps fixing Dynamic Link or Importer Generic Error issues.

Re-Linking rendered preview files?

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