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lizardwizard97
Participating Frequently
May 5, 2020
Question

MOV file is in a loop instead of playing whole clip and adobe media encoder rendering problem

  • May 5, 2020
  • 1 reply
  • 2430 views

As in the subject, after importing a MOV file, it always flies in a certain loop, and the sound goes naturally so you can't synchronize anything, the project settings are the same as for the mov file, 4k and 24fps. The whole video has its beginning and end, but still at some point goes back to a certain point and glitch, please help!

 

By the way, I have a question about the adobe media encoder, when it saves a project in, for example, 20fps and exports it in a different number of frames per second (mainly audio with graphics because still graphics don't need many frames per second, and you can save file size and rendering time), sound and still image last 3 minutes, but when exporting all video has about 25 minutes, where most of it is a black picture (as in attached fille), what settings should it overcome?

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1 reply

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Community Expert
Rick GerardCommunity Expert
Community Expert
May 5, 2020

It sounds like you have two problems. You do not understand how previews work in After Effects, and you do not have any understanding of how video is played back. 

 

If you want small file sizes and still images that don't move for 3 seconds use Animate and generate a file for a web page or use PowerPoint.

 

Video previews in After Effects are only as long as the available system resources allow them to be. a 3 or 4-second video playback of HD source material on a system that just meets the minimum system requirements is normal. AE is not an NLE and is not designed to preview long comps in real-time.

 

Some devices, like mobile phones, can record video at variable frame rates but they will never hold a single frame for 3 seconds. It can't be done. There is no variable frame rate option in the Media Encoder or the Render Cue because variable frame rates are extremely problematic in the post-production workflow and they are pretty darn terrible for distribution to the public because media players don't like them much. You usually don't notice problems playing back variable frame rate footage on your phone because the audio pretty much stays in sync, but YouTube and Vimeo, and any other streaming service is going to have a big problem with the footage and the re-compression that your uploaded files go through is going to seriously degrade everything if you do not follow their recommended frame size and frame rates.

 

 

 

 

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lizardwizard97Author
Participating Frequently
May 5, 2020

Why in this case when processing previous clips in 4k I could preview the entire clip without a problem? It's a mistake, glitch, it's not a problem to see a 2-minute preview clip I have very good computer specifications, so it seems to me that it is something with the MOV format, even though I have codecs and quicktime

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lizardwizard97Author
Participating Frequently
May 20, 2020

https://we.tl/t-nj9Wvcz4nD

In this link there is a video explaining my problem, I will add that a few months ago I made clip in AE, whose materials consisted of single films with 8 minutes each and I did not have such a problem, I could use a preview at any time of a single video.


I have a solution! The problem was caused by the MOV format from the iPhone, I found many similar people's queries that also happened to them, just: "That's VFR, variable frame rate. Pr is somewhat capable of handling that media but especially some iPhone clips can be problematic. First thing to try is select the media in a bin and right-click/modify/interpret assume 30fps. Then use that on a new sequence. If that doesn't work transcode in Handbrake to CFR. Neil"

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