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Thread: FFmpeg Now Supports HEVC/H.265 Decoding

  1. #21
    Join Date
    Oct 2009
    Posts
    845

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    Quote Originally Posted by Soul_keeper View Post
    I'm waiting for the encoder support.
    I want to see how much disk space can be saved with this for archival purposes.
    Well there are encoders out there, both x265 and VP9 are open source, however it will likely take a looong while yet until they have been improved to reach the actual potential of their respective specifications. Currently they are also very slow, much slower than they need to be due to lack of optimization. However if you want to try them out now (like I'm doing) you can simply build them from source:

    x265:

    hg clone https://bitbucket.org/multicoreware/x265
    cd x265/build/linux
    ./make-Makefiles.bash
    make

    VP9:

    git clone http://git.chromium.org/webm/libvpx.git
    cd libvpx/build
    ../configure
    make

  2. #22
    Join Date
    Oct 2011
    Posts
    38

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    Quote Originally Posted by Soul_keeper View Post
    I'm waiting for the encoder support.
    I want to see how much disk space can be saved with this for archival purposes.
    Is the saved disk space worth the cost of the electrical Power needed for the transcode ?

  3. #23
    Join Date
    Sep 2012
    Posts
    665

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    Quote Originally Posted by dibal View Post
    Is the saved disk space worth the cost of the electrical Power needed for the transcode ?
    My estimates:
    4 Go (optimal x2 compression, for a 8Go initial file): 0.30
    1h of 100W extra consumption: 0.01

    It looks worth it, even more so if you raid or backup your data, or if you don't want to upgrade existing disks almost full, etc..

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