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Thread: HOWTO: Install and use the latest FFmpeg and x264

  1. #1021
    Join Date
    May 2010
    Beans
    1

    Re: HOWTO: Install and use the latest FFmpeg and x264

    Hello folks.

    At first, a big thank to FakeOutdoorsman for the excellent guide.
    Compiling and installing worked flawless.

    However, i have to call ffmpeg trough transcode, which in turn gets called by dvd::rip.

    I´m getting this when i try to encode something:

    Code:
    export_ffmpeg.so Using FFMPEG codec 'h264' (FourCC 'h264', H264 (avc)).
    export_ffmpeg.so No profile selected
    export_ffmpeg.sowarning: Error opening configuration file ./ffmpeg.cfg: No such file or directory
    export_ffmpeg.so Starting 1 thread(s)
    export_ffmpeg.so Set display aspect ratio to input
    [libx264 @ 0x230d940]broken ffmpeg default settings detected
    [libx264 @ 0x230d940]use an encoding preset (vpre)
    export_ffmpeg.so warning: could not open FFMPEG codec
    encoder.cwarning video export module error: init failed
    transcode critical: failed to init encoder
    I´m really stuck on this. Would writing an ffmpeg.cfg help?
    If so, what to put in there?

  2. #1022
    Join Date
    Mar 2007
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    Hidden!

    Re: HOWTO: Install and use the latest FFmpeg and x264

    Hi FakeOutdoorsman,

    I've been meaning to ask this for some time. Why doesn't the guide build with libvorbis?
    Freedom is neither exclusive nor unlimited.

  3. #1023
    Join Date
    Sep 2006
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    3,476

    Re: HOWTO: Install and use the latest FFmpeg and x264

    Quote Originally Posted by verb3k View Post
    Hi FakeOutdoorsman,

    I've been meaning to ask this for some time. Why doesn't the guide build with libvorbis?
    Good question. I don't remember why I removed it (or if I even had it there previously), but I put it back for the Lucid guide. I'll add it for the older releases in a few days probably. My test run worked fine:
    Code:
    ffmpeg -i IronMan.mkv -vn -acodec libvorbis -aq 5 ironman.ogg
    The FFmpeg devs usually recommend using -acodec libvorbis instead of the native -acodec vorbis encoder due to output quality differences, but I've never tested the difference myself.

  4. #1024
    Join Date
    Sep 2006
    Beans
    3,476

    Re: HOWTO: Install and use the latest FFmpeg and x264

    I'm planning on making a FFmpeg version of andrew.46's Top 10 Tricks and Tips for the svn MPlayer. I just need to organize my ~/ffmpegjunk file into something useful for a general audience. I would also like submissions from other forum members. Some tips I have include: changing the speed of a video, trimming, looking at the FFmpeg svn log, checking out a specific FFmpeg revision, piping to or from FFmpeg, and several others.

    Could be an interesting guide.

  5. #1025

    Re: HOWTO: Install and use the latest FFmpeg and x264

    Hi all,

    i write a simple shell script to install (ffmpeginstall.sh) and update (ffmpegupdate.sh) all the stuffs: FFMPEG, X264...

    Tested on Ubuntu 10.04 Lucid.

    Waiting for feedbacks...

  6. #1026
    Join Date
    Jun 2007
    Location
    Rio de Janeiro - Brasil
    Beans
    319
    Distro
    Kubuntu Development Release

    Re: HOWTO: Install and use the latest FFmpeg and x264

    Your script works great! Thanks for sharing it.

  7. #1027
    Join Date
    Sep 2006
    Beans
    3,476

    Re: HOWTO: Install and use the latest FFmpeg and x264

    Quote Originally Posted by nicolargo View Post
    Hi all,

    i write a simple shell script to install (ffmpeginstall.sh) and update (ffmpegupdate.sh) all the stuffs: FFMPEG, X264...

    Tested on Ubuntu 10.04 Lucid.

    Waiting for feedbacks...
    You could add -y to the apt-get install commands to have fewer prompts for the user, but that my not be desired by everyone.

    Because your script is for Lucid, I recommend adding something that will make sure the script runs only on Lucid. Maybe something like:
    Code:
    if [ "echo lsb_release -cs" != "lucid" ]; then
            echo "You are not using Ubuntu Lucid 10.04. Exiting."
    	exit
    fi
    Adding set -e as the first command could be useful allowing the script to exit upon any errors instead of continuing blindly. However, running make distclean in an already clean directory when using set -e may cause the script to exit. I'm not sure how to deal with that.

  8. #1028
    Join Date
    May 2010
    Location
    Vancouver, B.C.
    Beans
    14
    Distro
    Ubuntu 10.04 Lucid Lynx

    Re: HOWTO: Install and use the latest FFmpeg and x264

    Greetings,
    Re: Uninstall Instructions

    In Synaptic Manager when I try to uninstall current ffmpeg I notice that it warns that all other video such as Avidemux, SMPlayer and other devices will be disabled. Does this mean I will have to recompile these also? Or is it done automatically when I enter the new script?

    Thanks

  9. #1029
    Join Date
    Jun 2007
    Beans
    12,946

    Re: HOWTO: Install and use the latest FFmpeg and x264

    when I try to uninstall current ffmpeg I notice that it warns that all other video such as Avidemux, SMPlayer and other devices will be disabled
    That's very atypical, the list of apps that depend on ffmpeg itself is very short and none you've mentioned.

    you could run this and post (answer no if a lot is to be removed

    Code:
    sudo apt-get remove ffmpeg

  10. #1030
    Join Date
    May 2010
    Location
    Vancouver, B.C.
    Beans
    14
    Distro
    Ubuntu 10.04 Lucid Lynx

    Re: HOWTO: Install and use the latest FFmpeg and x264

    Thanks,
    Terminal input> sudo apt-get remove ffmpeg
    did the trick. Now I'll move on to the install.
    Kudos

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