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    Jellyfin Forum Support General Questions What encoding and bitrate should I use

     
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    What encoding and bitrate should I use

    Gary Windfeild
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    #1
    2023-07-20, 08:06 AM
    I am setting up a server and I am wondering what encoder and bitrate I should use. I thought I would use h.264 but then I read h.265/HEVC is more efficient. If I want to have better quality at the same itrate which one should I use. I also thought I would use a bitrate of 120mbit/s (15MB/s) but I am hearing most 4K movies dont even go up to that bitrate.

    Thank you.
    TheDreadPirate
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    #2
    2023-07-20, 03:10 PM (This post was last modified: 2023-07-20, 06:40 PM by TheDreadPirate. Edited 1 time in total.)
    Whooooaaa.  4K HDR10 straight off the disc is somewhere around 70-75Mbps using HEVC.  You could probably recompress that and get near original quality at a lower bit rate.  I get very close to original quality 1080p SDR with 10-11Mbps HEVC.  This results in a 60-70% file size reduction from what I ripped from the bluray.

    120Mbps is way out there.  That's 8K territory.

    What do you intend to encode with?  CPU?  GPU?
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    Gary Windfeild
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    #3
    2023-07-22, 07:16 AM
    I have a Core i3-8100 and rtx 1050ti in my server, it was my old gaming pc but I have since upgraded. I was hoping to sell the 1050ti but that would greatly reduce my ability to transcode so I probably going to keep it.
    TheDreadPirate
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    #4
    2023-07-22, 04:49 PM (This post was last modified: 2023-07-22, 04:50 PM by TheDreadPirate. Edited 1 time in total.)
    Depending on the codecs, resolution, and number of users, you could probably get by with just the i3-8100 for transcoding. I have a less powerful Intel J4205 and can transcode 5-6 1080p HEVC streams.

    But, if you intend to re-compress whatever media you have/will have to save space, maybe keep the 1050? The 10 series supports encoding in HEVC 10-bit. I still use my old GTX 1070 in a secondary PC for re-encoding the blurays and DVDs I rip. The HEVC encoder in my much newer RX 6800 is not as good.....

    But, if you have a Nvidia GPU in your main PC, and don't mind tying up your PC to re-encode (if you intend to do that), again you could easily just use the i3-8100.

    How many users do you intend to serve?
    Jellyfin 10.10.7 (Docker)
    Ubuntu 24.04.2 LTS w/HWE
    Intel i3 12100
    Intel Arc A380
    OS drive - SK Hynix P41 1TB
    Storage
        4x WD Red Pro 6TB CMR in RAIDZ1
    [Image: GitHub%20Sponsors-grey?logo=github]
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