this post was submitted on 01 May 2024
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Piracy: ꜱᴀɪʟ ᴛʜᴇ ʜɪɢʜ ꜱᴇᴀꜱ

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[Request] Any Guides to FFMPEG, Transcoding, Codecs, and Metadata? (leminal.space)
submitted 6 months ago by fenndev@leminal.space to c/piracy@lemmy.dbzer0.com
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I have a collection of about ~110 4K Blu-Ray movies that I've ripped and I want to take the time to compress and store them for use on a future Jellyfin server.

I know some very basics about ffmpeg and general codec information, but I have a very specific set of goals in mind I'm hoping someone could point me in the right direction with:

  1. Smaller file size (obviously)
  2. Image quality good enough that I cannot spot the difference, even on a high-end TV or projector
  3. Preserved audio
  4. Preserved HDR metadata

In a perfect world, I would love to be able to convert the proprietary HDR into an open standard, and the Dolby Atmos audio into an open standard, but a good compromise is this.

Assuming that I have the hardware necessary to do the initial encoding, and my server will be powerful enough for transcoding in that format, any tips or pointers?

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[–] DaGeek247@fedia.io 6 points 6 months ago

I did a comparison trying to find where my personal "good enough" and techinically indistinguishable crf levels were at a little while ago. It may be worth looking into as a start. I've never really touched hdr before though.

Comparing compression levels