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peterc23801203
Participant
July 22, 2019
Answered

Exporting trimmed clips

  • July 22, 2019
  • 4 replies
  • 5882 views

I'm prepared to be told that this is a long-solved issue, and to be pointed to a, or several, forum threads with detailed answers...but I have exhausted my own forum and broader internet search...so with that apology/caveat - I present my issue.

I have approx 20GB of GoPro footage shot over the span of about 45 minutes (2k, 59.94 FPS), and have transferred those video files to a hard drive.  I have used the source monitor to create trimmed clips from those longer source files and made a bin of just those trimmed file references - each with a name that makes sense to the content.

I can add all of those clips to a timeline - the clips retain their name and the in/out settings.

I would like to "shrink" the project down to just the clips - I'd like to not continue using the hard drive that the original, untrimmed files are on, and I may also want to use just the trimmed files in more of a mobile workflow on my iPad Pro...using Rush.

I just want the original clips trimmed down to individual files while retaining their original quality and frame rates.

I've tried exporting the media - h.264 compressed a 30-second clip down to 37mb...that has to be a lot of loss.  When I tried the project manager, it created individual clips as I wanted, but those 8 minutes of clips turned into 39gb of files...essentially 2x the original, fully untrimmed footage size.

Any assistance is much appreciated.

    This topic has been closed for replies.
    Correct answer Carlos Ziade

    I would personally go this round trip for more safety:

    01. Trim your clips

    02. Create a new bin where to put your trimmed clips

    03. select that bin

    04. right click on each trimmed clip (from source monitor or timeline) and select 'Make Subclip'

    05. a dialog box appears to name your subclip, hit enter

    06. select all your trimmed clips (from the bin you created in the project panel) - right click - Export Media

    07. Choose Format H.264 and Preset 'Match Source High Bitrate' (maybe QuickTime GoPro Cineform... whatever)

    08. give an output name and follow it by 01 (others will be named x02 x03 etc...)... you can choose the naming structure you find best

    09. click on Queue, this will batch import all of your trimmed clips to Media Encoder

    10. Select all in Media Encoder, click on Output File and set the desired location

    11. start the queue

    12. double check all your exported media, if okay you can delete or backup the originals somewhere else

    NB: you can export to whatever format suits you best, something like GoPro Cineform is good too ...

    you can also check Ann Bens' advice here: How to purge unused video files!?

    but i don't think this will work for 'trimmed' clips

    4 replies

    E
    excited_Genie16B8
    Legend
    July 22, 2019

    To keep the original quality, you need a codec that will make the files larger.  You can't have both quality and small files.  You'll need to choose.

    For things like this, I always recommend using Cineform YUV 10 bit.  Quality 3 is probably sufficient.

      C
      Community Expert
      Carlos ZiadeCommunity Expert
      Community Expert
      July 22, 2019

      I would also recommend this:

      Premiere Pro Smart Rendering For Faster Exports – Welcome to kevinmonahan.net

      E
      excited_Genie16B8
      Legend
      July 22, 2019

      Adobe has mislabeled things in Premiere Pro.  "Smart Rendering" refers to the process of creating a new file from GOP-based media without reencoding it.  Knowing where the GOP boundary is and using that, rather than the editor defined In/Out points, is what makes it "smart".

      Currently, Adobe software is not capable of Smart Rendering anything.  With non-GOP codecs like ProRes and DNx, it is possible to get an export without reencoding, but that's just a straight file copy, that is not Smart Rendering.

      E
      eikonoklastes
      Legend
      July 22, 2019

      Use Lossless Cut, a free app that does exactly what you need, and is fast (no re-encoding needed) also ad-free and BS-free:

      Releases · mifi/lossless-cut · GitHub

      More info about it here:

      GitHub - mifi/lossless-cut: Save space by quickly and losslessly trimming video and audio files

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        peterc23801203Author
        Participant
        July 22, 2019

        Thanks for the quick and helpful response...I have (and still do) use Lossless Cut as my go-to, but either because of the more recent update, or because of the combination of GoPro settings during capture, while I can play and set in/out points, it gives an ffmpeg error when I try to export the trimmed copy.

        I'm leaning toward the GoPro footage as the culprit - when I use Lossless Cut on the exported subclips from Premiere, it behaves normally.

        C
        Community Expert
        Carlos ZiadeCommunity ExpertCorrect answer
        Community Expert
        July 22, 2019

        I would personally go this round trip for more safety:

        01. Trim your clips

        02. Create a new bin where to put your trimmed clips

        03. select that bin

        04. right click on each trimmed clip (from source monitor or timeline) and select 'Make Subclip'

        05. a dialog box appears to name your subclip, hit enter

        06. select all your trimmed clips (from the bin you created in the project panel) - right click - Export Media

        07. Choose Format H.264 and Preset 'Match Source High Bitrate' (maybe QuickTime GoPro Cineform... whatever)

        08. give an output name and follow it by 01 (others will be named x02 x03 etc...)... you can choose the naming structure you find best

        09. click on Queue, this will batch import all of your trimmed clips to Media Encoder

        10. Select all in Media Encoder, click on Output File and set the desired location

        11. start the queue

        12. double check all your exported media, if okay you can delete or backup the originals somewhere else

        NB: you can export to whatever format suits you best, something like GoPro Cineform is good too ...

        you can also check Ann Bens' advice here: How to purge unused video files!?

        but i don't think this will work for 'trimmed' clips

          P
          peterc23801203Author
          Participant
          July 22, 2019

          Thanks for the quick and helpful response...the subclip recommendation appears to be the ticket..it reduced the encoding to the trimmed portion rather than sourcing the full, untrimmed file.  It would be a bit more efficient if I could create the subclips by selecting the bin or a group of clips - rather than one at a time, but that isn't a deal breaker...thanks again!

          C
          Community Expert
          Carlos ZiadeCommunity Expert
          Community Expert
          July 22, 2019

          you can request for batch export from timeline and lossless cut capabilities inside premiere pro:

          Adobe video & audio apps

          Let us know when you do and I will vote!

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