Number of video previews goes up infinitely during render

During a render in my timeline the number of video previews to be rendered climbs infinitely and so the render never completes.
This footage is a combination of mts files shot on a Sony FS700, and 4k files shot with a recorder using the same camera. It seems that Premiere is able to render half of the timeline and then nothing beyond a certain point. Does anyone know what could be causing this?

I just posted this problem under a new thread:
Rendering effects on timeline loops in Premiere Pro
before I found this thread.
My environment specifics can be seen in that post.
Mark, your post gave the the idea on how to track this down.
In this particular timeline I had non-anamorphic 720P 29.97 footage on an anamorphic 23.97 timeline. I also had a short AE clip which was 23.97 square pixels. I removed the AE clip and changed the timeline to 29.97 square and the render effects worked.
It sounds like you're on the right track but it may be more pervasive than your post indicated. It may be that ANY mismatch between a clip and the sequence setting can cause this problem.
I hope you get this one fixed soon - it sure puts a crimp in my editing!

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Mac pro HDMI video preview goes yellow solid and turns off by itself often

I work with 2 monitors. main monitor is Apple thunderbolt cinema display 27", and second monitor is LG HD tv connected through HDMI of MacPro.
when I use aftereffect, I use my LG TV as video preview, and it goes yellow solid and turns off itself very often.
I use Final Cut Pro X and, davinci 10 lite with LG TV also, but it works well in these condition.
It makes trouble with aftereffects only.
I hope it can be solved.
thank you

thank you, tim.
English is not my first language. so I'm not sure I fully understand with this.
I will show you my full hardware setting
* Does preview on the LG monitor work at all? When does it go yellow? When does it turn off?
- it works initially. A few minutes after I start making RAM preview, yellow screen appear(the RAM preview keeps going anyway),
if I stop the video preview(command + /), and restart video preview, it turns on normal,
but if I don't stop video preview, 10 or 20 seconds later it turns off by itself, and all the options in 'Output Device' disappear except 'Computer Monitor Only', so I should restart After Effects to turn on video preview.
* When you have the problem, if you open Activity Monitor, is Adobe QT32 Server running?
- yes, it(it appears red characters, is it normal?) looks running
* Do you have Premiere Pro installed? Does it have the same problem when previewing to the LG monitor?
- no, Premiere Pro works well.
- I tried to remove Blackmagic Codec.component , but it didn't solve my problem
let me know if you need more information about this.
thank you again.

No video Preview During Capture

Here is the scoop:
Adobe Premeire CS5
Windows 7 64bit
Canon XL2
Capturing DV NOT HDV
Canon standard device control as there is no preset listed for the XL2
Video and audio actually captures fine. I can hear audio during capture but cannot see any video.
I know there is no video preview when capturing HDV but I am capturing DV.
Again this is CS5 NOT 5.5 so .dll fix is not an option
Thanks in advance.

FIXED!
Heres how it went:
Went to Device Manager and let windows look for an updated driver for my Graphics Card (Radeon HD 4200). Windows said the most current driver was installed. It was NOT the most current driver. I went out to ATI and got the most current driver, installed, reboot and OH JOY! I get video in the capture window during preview AND during capture (of DV)!
I also let windows (device manager) look for updated drivers for sound and it said the driver was the most current. Again, it was not. so the moral of the story is...Don't trust Device Manager on current driver versions.
Hope this will help some folks out there.
Side Note*
Most of us spend hours on forums looking for answers/fixes to particular problems. Most replies I see are either in the vein of "I have that problem too" or " try this, it worked in this OTHER version or try this OTHER software" etc. If you dont have an answer/fix for the problem, dont post.
ON the flip side of that, when posting a problem you want an answer to, Give all the pertinent information in your initial question. " Premiere crashes when I plug up my camera" does NOT suffice! What version of Premiere, what camera, what OS, What kind of connection, etc.

Video preview during capture CS3

Video preview during capture is not working even though settings are at preview video and audio during capture.
The work around seems to be to go ahead record anyway (red button) then it works after I paste the captured audio onto the timeline.
When pasting it to the timeline the video appears. The video appears during subsequent captures. It seems like a bug in CS3. This was not a problem with PP 1.5
Thanks

A few more of
these details will help us help you.
Cheers
Eddie
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Rendering Video Previews increases number of videos

Well,
I have a clip that is about 2 minutes long and has 57 video clips, about 10 cross-dissolves and a simple preset look from magic bullet 1.4
When I hit render a few hours ago it said "Rendering 1 of 57 Video Previews" and "Rendering Frame 1 of 2889".....so I took a nap.
Four hours later it's still rendering....and now it sais "Rendering 5786 of 18759 Video Previews" and a similar astronomic Number in Frames.
I found out that it happens when I select the area of my entire clip and hit "Render entire work area" to even render the many yellow parts of the sequence.

I have the same problem as this original post. I have taken a sequence that was incorrectly created using 29.97 instead of 25p and copied and pasted the entire project into a new sequence that is 25p.
I have fixed all the keyframes for the audio which did not come over in the copy and paste and then went to render the timeline. I first tried to render just a short section as a work area so I could see if my rolling credits were smooth. But the render is constantly creating more and more video previews. Far mare than the project has. Estimated time left says 00:00:00 and the render bar never go green past the first 100 frames or so.
I have left it to render for hours just to see if it finishes, but the video preview count just grows and grows.
It does the same whether I render the whole project, or just the work area.
Using Premier CS5 on windows 7 64 bit. Build 5.01
Any help would be greatly appreciated. This first post was over 2 months ago, I wonder if any Adobe folks have an idea of what this problem is?

Video preview not working

When working on a project, the video preview is no longer working, neither for individual video preview or for overall preview of the project video composite. I have no idea what to do. It worked before. I am on Windows 7 64 bit with Premiere Elements 10.

jhughthomas
Since you are a Premiere Elements 10 user with a display problem, the first order of business is to determine if your computer uses a NVIDIA GeForce video card/graphic card. The Announcement at the top of this forum tells it all, the problem and the how to fix. For your convenience, the following is a copy/paste of that Announcement.
Premiere Elements 10 NVIDIA Video Card Driver Roll Back
If you are a Premiere Elements 10 user whose Windows computer uses a NVIDIA GeForce video card and you are
experiencing Premiere Elements 10 display and/or unexplained program behavior, then your first line of
troubleshooting needs to be rolling back the video card driver version instead of assuring that it is up to date.
Since October 2013 to the present, there have been a growing number of reports about display and unexplained
workflow glitches specific to the Premiere Elements 10 user whose Windows computer has a NVIDIA GeForce
video card. If this applies to you, then the “user to user” remedy is to roll back the NVIDIA GeForce video card
driver as far as is necessary to get rid of the problems. The typical driver roll back has gone back as far as
March – July 2013 in order to get a working Premiere Elements 10. Neither NVIDIA nor Adobe has taken any
corrective action in this regard to date, and none is expected moving forward.
Since October 2013, the following thread has tried to keep up with the Premiere Elements 10 NVIDIA reports
http://forums.adobe.com/thread/1317675
Older NVIDIA GeForce drivers can be found
http://www.nvidia.com/Download/Find.aspx?lang=en-us
A February 2014 overview of the situation as well as how to use the older NVIDIA GeForce drivers for
the driver roll back can be found
http://atr935.blogspot.com/2014/02/pe10-nvidia-video-card-roll-back.html
If you fall into the Premiere Elements 10 NVIDIA GeForce display problem, then your answer is to roll back your card driver
(typically that has been requiring roll back to about May 2013). This factor needs to be ruled in or out at the onset of the
troubleshooting plan.
Equally important questions include:
a. If you start a new project, do you have the same problem?
b. If you use the same source video in the project with or without going to a new project, do you have the same problem?
We will be watching for your progress. Please do not hesitate to say if you need clarification on anything written.
Thank you.
ATR

Firewire Output for Video Preview Intermittent

I'm experiencing a frustrating problem with After Effects these days.
We're producing some video to be projected, so to see what the final output will really look like, I'm doing video previews using FireWire so output goes directly to the projector.
It's been working great up until yesterday. Was working fine until I had to restart my Mac. Upon reboot, my the projector no longer gets any video output.
I've tried restarting numerous times, checked all connections, etc. Got it working again after several restarts, but after switching over to Photoshop momentarily, the video output once again disappeared.
Any suggestions on how to regain consistent Firewire output for Video Previews?
My setup:
After Effects CS6
Mac Pro
OSX Version 10.7.5
Firewire Output of my Mac's monitor is going to the Firewire Input on my Sony Media Converter
RCA Video out (Composite video) going to the projector's video input.
After Effects Video Preview preferences:
Output Device: FireWire
Output Mode: Apple FireWire NTSC

Thanks for your reply, Rick.
I finally figured it out... I had a background application running called iCam that monitors my security cameras. I had forgotten that it uses Firewire and was intermittently hogging the resources. Once I quit that application, everything was good once again.
Thanks for taking the time to respond, much appreciated!
Mike

Video preview does not show a quicktime option

My main videos are going to YouTube and I would like my preview in Premiere Pro CC to be quicktime so I can edit correctly to the format. Under New Sequence Settings it does not give me that option. Is there something I need to manually install?

What platform are you on? QuickTime is available as the Preview File Format [PFF] only on Mac.
In general, the PFF is not critical the final encoded output, but there are a couple exceptions. So I'm interested curious about why you feel it's important to have the PFF match your eventual export format.
Also, my understanding is that the preferred format for YouTube is h.264, not QuickTime. I haven't studied YouTube's recommendations/requirements, but I know for a fact that the format for all YouTube presets is h.264.

FCPX 10.0.3: no video preview, crash

Hi all,
I have just updated FCPX 10.0.2 to 10.0.3 and it is a disaster.
The video preview is not working anymore: when i try to view one video from my events and pass the mouse over one, i hear the video sound, the time progressing but nothing appears in the video preview. If i try to play it (using the play button), FCPX hangs. I have to kill it.
It is the same when i edit a project: no video preview at all. It is very strange.
I tried a new project, import new videos, trash the prefs, reinstall FCPX from scratch with no events no projects, even make the lion combo 10.7.3 update (I updated lion the day before)...
My FCPX is useless. Do you have any advice that may help me?
Is it possible to roll back to 10.0.2 version via the mac app store?
My config; MBP Mid2009 15" (GPU 9600MGT).
Regards,
Chris.

ANYONE???
FWIW, I seem to be having similar issues. Used 10.0.3 for the first time earlier today (under Snow Leopard, on an 8-core Mac Pro now with 24GB of RAM). Constantly losing video -- audio plays fine. Never seemed to have this problem in 10.0.2. (Lots of other problems, mind you -- just not this one.)
Found I can usually get video back by opening Playback Prefs and making a change (like switching between "use proxy media" and "use original/optimized"), then waiting 2-3 minutes while the orange bar which has now appeared over the ENTIRE timeline -- even though NO changes have been made to the timeline whatsoever -- slowly goes away.
One of the triggers for losing the video in my case seems to be letting the Timeline play through till past the end. And I say "past" the end, because there's now suddenly a weird 2-3 minute void after the final clip of video. No audio, no "gap clips", just a big stretch of nothing. I can't figure out how to get rid of it, and the fade out I'd applied long ago to the last video clip no longer works. When the playhead reaches that transition (or nears the end of the last video clip, even with the transition removed) the video just cuts to black. The audio then ends normally while the playhead just keeps going into this mysterious blank emptiness for almost 3 minutes -- at least that's how much extra black I get when I do an Export of the Project.
Naturally I've tried re-doing the end transition; and have of course made sure there is no media of any kind down at the end of timeline which might be causing this strange empty section. Even tried carefully selecting all the real clips on the Timeline and Copy/Pasting them into a whole new project. No difference. The gap at the end just reappears.
(Meantime, as others have reported, I also experienced loss of parameters on several simple titles in Projects created in 10.0.2 and updated/imported into 10.0.3. Likewise for the irrational re-re-re-re-re-re-re-re-re-re-re-re-rendering. Have not yet had time to test any of this on a newly-created 10.0.3 project, but I really do look forward to the day when the bulk of my work in FCP-X might actually involve editing, with the time spent in trouble-shooting and unpaid beta-testing perhaps reduced to just a few hours a week. A crazy idea, I know -- but I can still dream.)
John B
Toronto

Problems with video previews: image freezes when scrubbing (CS6)

I just installed CS6 on my computer after working with CS5.5 and I encountered a strange problem with my EOS5D Mk 2 and also Ixus 100IS footage in Bridge CS6 (actually this happens with every video).
In CS5.5 I was able to preview my mov files and scrub through them without many problems (aside from a casual crash, but hey... )
In CS6 now the video preview starts and everything seems fine, until I scrub to a later point in the video. At that point the video freezes but the sound goes on. The only way to make the video run again is to click pause and then click play again. You can imagine that scrubbing through videos isn't much fun..
Has anyone ever had a problem like that with CS6?
Since CS5.5 is still installed, I checked and found out, that in Bridge CS5.5 everything is still working fine: No video freezes there - only in CS6
I already updated to the latest graphics card driver and all updates from CS6. Does anyone have an idea what I could do?
some stats about my computer:
win7 64bit
nvidia geforce GTX 590, driver 301.42
no other video software installed
Aside from that, I also realized that video quality in the preview area isn't particularly brilliant (neither in CS5.5 nor in CS6). Since the video is scaled to the preview window size, I sometimes get scaling artefacts/moirees. Is there a way to smooth the video playback, like you could in a regular video player?

Perhaps your understanding of rendering is different than mine. I think of it more as combining edits to form a new video. Are you using rendering as the same as playback? Also, not sure how you can have a system that has only CS6 files, as files are the same for CS5.5. I must be missing something here.
Manniac described the error well "In CS6 now the video preview starts and everything seems fine, until I scrub to a later point in the video. At that point the video freezes but the sound goes on. The only way to make the video run again is to click pause and then click play again".
Believe that error is fixed as my video play OK now.

Sequence Settings Video Previews and GPU?

Dear PrP CC Users,
I wanted to get some information partaining to sequence settings.
In the bottom box of Sequence Settings: Video Previews. There are three un/tick boxes:
Maximum Bit Depth
Maximum Render Quality
Composite In Linear Color (requires GPU acceleration or max render quality)
Normally I tick all of them. I have a Windforce GTX 770 4GB CUDA mercury engine enabled. I have also set to Optimise rendering for: Performance.
My questions are as follows.
-Do these selections effect the final output of a timeline for delivery or is it merely for during regular playback and preview rendering?
-Also, when I export using Media Encoder through dynamic link, is it bad to Use Previews for a faster export, often I export to ProRes4444 for Grading, I heard that Preview files will always differ as its created by the GPU and can slightly change the colours dependent on the GPU you have, thus is it better to export and allow it to re-render using the CPU in Media Encoder (I always set maximum bit depth and quality)?
-Lastly, in the export process, when I select Maximum Bit Depth, there are options of the bit depth value (32, 48, 64) does this become redundant since I checked maximum bit depth?
Thank you.

The first two boxes only affect previews. The same boxes in the Export Settings dialog will override those and determine the output.
Using previews for export is generally not a good idea, as doing so will incur an additional compression step. The exception is when the previews are lossless (or nearly so, as with DNxHD).
Not working with ProRes, I've never seen those options.

Encore crashes dury any video preview

I just bought Encore and to my dismay it crashes during any video preview. This includes previewing the video in the Project panel, using File > Preview, and using the Monitor panel. It even happens when I just use the scrollbar, without even playing it. Is there a fix for this or did I just throw away a lot of money?
Is it possible my video card needs to be upgraded? I'd think that if the video card was too weak the video would just be choppy, not crashing the program, but I don't know much about video cards! Also, I'm on Vista. Tried running it in Windows XP compatibility mode but that didn't make a difference.

Thanks for the info! Lots of good stuff on that page! I didn't go through the whole thing, but my tests so far have led me to believe that this is the issue.
"It takes only one unexpectedly corrupt clip to cause endless problems. Make a list of all of your media clips. Play each one in an external media player and check off each one that is successful."
Although my AVI clips (they were taken using a RCA Small Wonder - http://www.mysmallwonder.com/) play fine in Windows Media Player, I do NOT get the crash if I use the WMV clips that come with Vista (C:\Users\Public\Videos\Sample Videos)
So on the simplest level, converting my AVIs to WMV or maybe just re-encoding should work for me, but I'll check my AVI codecs first with the tools listed on that page.
I figured listing my hardware was the next step if this wasn't a common problem... listing it here now but will provide everything else later if necessary.
Dell Dimension DXP061 running Windows Vista Home Premium
Processor: Intel Core2 CPU (600 @ 2.40GHz 2.39GHz)
Memory(RAM): 3070MB
System Type: 32-bit
Video Card: NVIDIA GeForce 7300 LE
Will post the culprit once I verify what it is in case others have this same issue.
Thanks John!

Details of video preview with Mercury Transmit in the 2014 update to After Effects CC

In the 2014 update to After Effects CC, which is available today, the technology used for video preview on an external monitor has been replaced with Mercury Transmit technology from Premiere Pro. Read about it in detail here:
http://bit.ly/AE_video_preview
Please post in this thread to discuss or ask questions about these changes.
Read about all of the other changes coming to the 2014 update to After Effects CC here:
http://bit.ly/AE_CC_next_details

Jef,
It's your choice if you wish to use Mercury Transmit with your AJA cards, or the AJA Preview plug-in. You do not need to uninstall anything, but you should disable the one you are not using.
The differences between the two are subtle, but can be simplified (very grossly simplified) to speed vs. accuracy.
The AJA Preview plug-in has a performance advantage over Mercury Transmit. AJA is able to optimize the frame throughput because they have better access to their hardware. You should be able to get real-time previews under most circumstances.
Mercury Transmit has better access to the After Effects pixel buffer than the AJA Preview plug-in. For example, when color management is enabled in the project, Mercury Transmit will apply color transforms. These color transforms require additional processing, which can slow down the preview speed and drop it below real-time.
Performance of video preview in After Effects (any version, using any of the available technologies) otherwise tends to be a straightforward equation of the computer's processor horsepower vs. the requirements of the frames being pushed (frame size + frame rate + color depth + color management). In the "performance of RAM preview when video preview is enabled" section of this page, I've detailed what levers you can pull to affect the performance of video preview in After Effects:
http://blogs.adobe.com/aftereffects/2014/05/video-preview-mercury-transmit-after-effects.h tml
If you continue to have problems, please post more detail about the settings you are using, especially whether you are using greater than 8-bpc color or color management in the project. Machine specs and the state of the machine, including the amount of RAM, free RAM, and other applications running, will also be helpful. Please also state, given all of the above, what frame rate is being reported in the Info panel during RAM preview playback.

Cannot see video preview while editing

Years ago, I captured and edited a movie I had made, using an earlier version of Premiere. Today, I want to do some re-editing, but even when I render the entire video, I cannot see the video preview, though the audio plays just fine. I'm using Adobe CS3 on a Vista system.
The video is a 3.6 gigabyte .mpg file, and plays perfectly when not in Premiere. When in Premiere, all I get is a blank green screen instead of the preview window. It's hard to google the error, because, of course, "green screen adobe premiere" gives a LOT of tutorials, heh. The computer is a new, dual-core system that exceeds all of the system requirements for Premiere.
I don't know where to begin fixing the problem, which I've bashed my head against for weeks now. Helping me will bring you great karma in this world and the next, I assure you.

Based on reading a LOT of problem reports, importing files from a DVD camcorder or other MPEG device, or Ripping DVD files rarely results in success in Premiere... do not be fooled by movie industry advertising into thinking that "DVD Quality Video" is suitable for EDITING... it is not... a DVD is designed to be for PLAYBACK only... and that includes trying to edit a Standard Def MPEG or VOB file!
You should also use WAV sound files, not the compressed MP3 format, To work with AC3 files in Premiere, it MAY work to copy the ad2ac3dec.dll file from the Encore DVD directory into the Premiere directory
Go to my notes page http://www.pacifier.com/~jtsmith/ADOBE.HTM
Click the internal link for editing compressed files... read, there are some ideas & links there
There are other products better suited to your task (read at the link above for a partial list) but if you only have DVD type files, you should convert to DV AVI... go to the VideoHelp link in my notes and look for a program to convert... but do be aware that converting from a HIGHLY compressed viewing format back to an editing format is going to cause a drop in quality
The only SD (Standard Def) files that Premiere really likes are DV AVI type 2

No more audio or video preview in column view?

weird one... on my powerbook (g4) i suddenly have no ability to play/preview audio or video file in column view in the finder. works fine on my desktop machine with the same os and such...? highlighting a file just gives its name and dates and such, no ability to preview.
using 10.4.8 and QT 7.1.3. tried updating prebinding (and other normal quickfixes). think i might need to reinstall quicktime?

well, yes i tried all the basic quick fixes. (plus diskwarrior and applejack, etc.)
i thought i might find it in some of the preferences of finder or quicktime but no go.
the weirder thing is that if you highlight an audio or video file in the column view, while it gives no audio or video preview, if you click on the "get more info" button (or command-i) there will be the audio or video preview.
???

Number of video previews goes up infinitely during render

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