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J
Justinius
Participant
July 17, 2023
Answered

Premiere randomly hangs on Timelapse frames

  • July 17, 2023
  • 1 reply
  • 251 views

My timelapse video randomly hangs on frames in Premiere when scrubbing, playing or exporting the footage. The timelapse was created with FilmicPro on the iPhone 12 Pro Max in Dolby Vision. This happens on both the PC and the Mac, with different OS, CPU and RAM configurations; I don't think it's a hardware issue.

 

Sometimes Premiere will scrub through most of the sequence, other times it plays a couple frames and stops displaying the rest of the frames. If I export or render, the timelapse may be completely static even though the system had more time to evaluate the footage. The behavior is quite random. I've tried Rendering the Sequence, Rendering In to Out. Have also changed renderers: Hardare CUDA, OpenCL, and software-based. Have tried higher resolution exports, Constant Bit Rate vs Variable Bit Rate, etc. Also converted the timelapse video into images to create an image sequence by hand but the JPG/PNG conversion loses the 10-bit color space, so that's a no go. Perhaps Premiere is choking on a variable frame rate from the iPhone timelapse?

 

I can understand if Premiere is feeling taxed during real time playback, but during Export it should be able to slow down and look at each frame in the timelapse video. Am running out of ideas. Is Premiere unable to reliably play iPhone timelapse videos?

This topic has been closed for replies.
Correct answer Justinius

I was able to resolve this by running the iPhone FilmicPro timelapse video through Handbrake at a Constant Bit Rate Frame Rate of 24fps. [edited by moderator]

Even though the original timelapse clip claims its 24fps, the iPhone frame rate may actually be variable per the following link.

An anomoly that Premiere unfortunately can't recognize nor resolve on its own; it just randomly hangs on frames.

  

https://www.jeadigitalmedia.org/2019/10/07/how-to-solve-the-iphone-stuttering-video-problem-in-adobe-premiere-pro/ 

1 reply

J
JustiniusAuthorCorrect answer
Participant
July 17, 2023

I was able to resolve this by running the iPhone FilmicPro timelapse video through Handbrake at a Constant Bit Rate Frame Rate of 24fps. [edited by moderator]

Even though the original timelapse clip claims its 24fps, the iPhone frame rate may actually be variable per the following link.

An anomoly that Premiere unfortunately can't recognize nor resolve on its own; it just randomly hangs on frames.

  

https://www.jeadigitalmedia.org/2019/10/07/how-to-solve-the-iphone-stuttering-video-problem-in-adobe-premiere-pro/ 

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