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A
alanshi
Participant
May 16, 2024
Question

Performance problems on 1TB iPad Pro M4

  • May 16, 2024
  • 1 reply
  • 1613 views

Hi, I have been using Rush on my first gen iPad Pro, and found performance was not great, with really choppy playback at times on fairly simple projects. Upgrading to the newest 1TB M4 iPad Pro, I expected these issues to be completely eliminated but was disappointed to find that basically on every transition across clips, Rush will go through about 20 seconds or so of playback where the framerate is just atrocious, super choppy, almost unusable. Is anyone else seeing this? This can't really be a hardware problem can it?

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    1 reply

    Kevin-Monahan
    Community Manager
    Kevin-MonahanCommunity Manager
    Community Manager
    May 16, 2024

    Hi @alanshi,
    Thanks for the note. Bad performance problems, eh? That's not fun. What kind of media are you editing? Are iOS and Rush updated? Please provide more information so we can help you.

     

    Thanks,
    Kevin

    Kevin Monahan - Sr. Community and Engagement Strategist – Adobe Pro Video and Audio
    A
    alanshiAuthor
    Participant
    May 16, 2024

    Hi @Kevin-Monahan, thank you so much for the prompt reply. I am a super casual Rush user. I am basically editting GoPro footage (usually 2.7k 60fps) from vacations, and do little more than string together a few clips, pictures, and music with light transitions and maybe tweaking the speed to highlight some portions. Clip lengths are generally anywhere from 10-25 seconds each, with the entire project less than 5 minutes.

     

    Yup, using the latest iOS and Rush (these were just updated when I received the brand new M4).

     

    I only have a few projects (half a dozen or so), and every single one has several segments where the playback seems to drop to maybe 1 frame per second or less (audio is still running fine, and the video eventually catches up and returns to normal).

    Kevin-Monahan
    Community Manager
    Kevin-MonahanCommunity Manager
    Community Manager
    May 16, 2024

    Hi @alanshi,

    Thanks for the added info. I feel your footage might need to be transcoded to work with Rush. It could be 4:2:2 10-bit HEVC. You'd need to inspect a file in MediaInfo to know for sure. If that is the case, you may need to use a third-party encoder to create files to edit with. I like to use Shutter Encoder for this task. You probably need to do this work on the desktop, however. I recommend ProRes LT if you have the space (large files but great for performance). If storage is an issue, you can encode files to HEVC or H.264 8-bit 4:2:0.  It is common to use transcoded files in an editing workflow. Native video files coming straight off the camera are often too compressed for powerful computers to play back. That's just the nature of the beast. Try a test and report back. Hope it works!

    Thanks,
    Kevin

    Kevin Monahan - Sr. Community and Engagement Strategist – Adobe Pro Video and Audio
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