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Thread: Howto: Build the development version of vlc under Ubuntu

  1. #1
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    Howto: Build the development version of vlc under Ubuntu

    April 29, 2012.

    Due to upcoming changes to this section of the Ubuntu Forums it is with great regret that I have moved this guide to my personal website where development will continue:

    Howto: Build the development version of vlc under Ubuntu
    http://www.andrews-corner.org/vlc.html

    In fact I have just completed an update for Precise Pangolin which I am keen for as many people as possible to test .

    If anybody is keen to use the current material (as of April 09,2012) for Ubuntu Wiki, blog, personal site etc I have attached the guide to this message as vlc_git_guide.gz. This contains the full Forums formatting so conversion to any other format should be easy enough...

    Have Fun!!

    Andrew
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    Last edited by andrew.46; April 29th, 2012 at 12:52 AM.

  2. #2
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    Re: Howto: Build the development version of vlc under Ubuntu

    I have added in a new dependency libprojectm-dev which builds support for libprojectM visualisation within vlc-git. A few details of this Google Summer of Code project here:

    Visualisations in VLC
    http://ivoire.dinauz.org/blog/index....sations-in-VLC

    It was not hugely impressive on my system but early days yet + I am something of a goom fan still .

    Andrew
    You think that's air you're breathing now?

  3. #3
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    Re: Howto: Build the development version of vlc under Ubuntu

    How I remember this guide from the testing topic XD. May I suggest placing a link to the VLC plugins manager.

    VLC extensions

    To try these extensions right click on the .lua file and select save as and save to the Desktop.

    To activate the plugins copy them to ~/.local/share/vlc/lua/extensions/

    Code:
    cd ~/Desktop
    cp -v *.lua ~.local/share/vlc/lua/extensions/
    This will copy the extensions to your VLC extensions folder



    ^ VLC with the "Hello World" extension, imdb does work (see attached for larger image)
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    Last edited by SuperSonic4; February 6th, 2010 at 11:50 PM.

  4. #4
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    Re: Howto: Build the development version of vlc under Ubuntu

    Andrew -
    while I don't intend to keep or use a 64 bit install, it did bug me that some where building the 1.1 of of a shared ffmpeg install (sooner or later using new shared ffmeg libs will be an issue.

    So managed to get vlc to build off of a static ffmpeg, though the means bears a little testing and or refinement.

    To make sure ffmpeg itself is still good I built it as normal so I could run ffmpeg - don't think that itself matters per se.

    doug@doug-laptop:~$ ffmpeg
    FFmpeg version SVN-r21659, Copyright (c) 2000-2010 Fabrice Bellard, et al.
    built on Feb 6 2010 18:23:58 with gcc 4.4.1
    configuration: --enable-gpl --enable-version3 --enable-nonfree --enable-postproc --enable-pthreads --enable-libfaac --enable-libfaad --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-pic
    libavutil 50. 8. 0 / 50. 8. 0
    libavcodec 52.52. 0 / 52.52. 0
    libavformat 52.50. 0 / 52.50. 0
    libavdevice 52. 2. 0 / 52. 2. 0
    libswscale 0.10. 0 / 0.10. 0
    libpostproc 51. 2. 0 / 51. 2. 0
    So far the vlc seems fine - ldd showing no libavcodec...

    doug@doug-laptop:~$ ldd /usr/local/lib/vlc/codec/libavcodec_plugin.so
    linux-vdso.so.1 => (0x00007fff711ff000)
    libpthread.so.0 => /lib/libpthread.so.0 (0x00007f6b307cc000)
    libz.so.1 => /lib/libz.so.1 (0x00007f6b305b5000)
    libbz2.so.1.0 => /lib/libbz2.so.1.0 (0x00007f6b303a3000)
    libfaac.so.0 => /usr/lib/libfaac.so.0 (0x00007f6b30191000)
    libfaad.so.0 => /usr/lib/libfaad.so.0 (0x00007f6b2ff51000)
    libmp3lame.so.0 => /usr/lib/libmp3lame.so.0 (0x00007f6b2fcd8000)
    libopencore-amrnb.so.0 => /usr/lib/libopencore-amrnb.so.0 (0x00007f6b2fa9e000)
    libopencore-amrwb.so.0 => /usr/lib/libopencore-amrwb.so.0 (0x00007f6b2f882000)
    libdl.so.2 => /lib/libdl.so.2 (0x00007f6b2f67d000)
    libjack.so.0 => /usr/lib/libjack.so.0 (0x00007f6b2f461000)
    libm.so.6 => /lib/libm.so.6 (0x00007f6b2f1dd000)
    libvlccore.so.4 => /usr/local/lib/libvlccore.so.4 (0x00007f6b2eef5000)
    libc.so.6 => /lib/libc.so.6 (0x00007f6b2eb86000)
    /lib64/ld-linux-x86-64.so.2 (0x00007f6b3160b000)
    libstdc++.so.6 => /usr/lib/libstdc++.so.6 (0x00007f6b2e876000)
    libgcc_s.so.1 => /lib/libgcc_s.so.1 (0x00007f6b2e65e000)
    librt.so.1 => /lib/librt.so.1 (0x00007f6b2e456000)
    libsamplerate.so.0 => /usr/lib/libsamplerate.so.0 (0x00007f6b2e0ea000)
    libcelt.so.0 => /usr/lib/libcelt.so.0 (0x00007f6b2ded6000)
    libdbus-1.so.3 => /lib/libdbus-1.so.3 (0x00007f6b2dc97000)
    If you wish to pursue take a look at the slackware ffmpeg amd_64 asm patch, - not all of it (the one I found) would apply cleanly - made a change to the dsputil.h patch so this resulted
    Code:
    #define SINETABLE_CONST
    #endif
    
    #ifndef _ATTR_HIDDEN
    #define _ATTR_HIDDEN __attribute__((visibility("hidden")))
    #endif
    
    #define COSTABLE(size) \
        COSTABLE_CONST DECLARE_ALIGNED_16(FFTSample, _ATTR_HIDDEN ff_cos_##size[size/2])
    #define SINTABLE(size) \
        SINTABLE_CONST DECLARE_ALIGNED_16(FFTSample, _ATTR_HIDDEN ff_sin_##size[size/2])
    #define SINETABLE(size) \
        SINETABLE_CONST DECLARE_ALIGNED_16(float,  _ATTR_HIDDEN ff_sine_##size)[size]
    extern COSTABLE(16);
    extern COSTABLE(32);
    For interests sake the changes I made, full diff in post below, still good thru 02/17
    Attached Files Attached Files
    Last edited by mc4man; February 18th, 2010 at 02:06 AM.

  5. #5
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    Re: Howto: Build the development version of vlc under Ubuntu

    Hi SuperSonic,

    Quote Originally Posted by SuperSonic4 View Post
    May I suggest placing a link to the VLC plugins manager.
    I am holding off just for the moment as the first of the extensions has just appeared in the source tree as share/lua/extensions/imdb.lua. I would imagine that shortly the rest will appear and hopefully will either be available directly or by symlink.

    Andrew
    You think that's air you're breathing now?

  6. #6
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    Re: Howto: Build the development version of vlc under Ubuntu

    Hi mc4man,

    Quote Originally Posted by mc4man View Post
    If you wish to pursue take a look at the slackware ffmpeg amd_64 asm patch, - not all of it (the one I found) would apply cleanly - made a change to the dsputil.h patch so this resulted [...]
    That is indeed a big patch. alienBOB runs the script with a fixed version of FFmpeg thus he can tailor the patch to meet the specific FFmpeg revision. A great pity these changes could not be absorbed into FFmpeg itself ....

    Andrew
    You think that's air you're breathing now?

  7. #7
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    Re: Howto: Build the development version of vlc under Ubuntu

    changes could not be absorbed into FFmpeg itself ....
    personally don't really know if they belong in ffmpeg itself, though for the static build for a 64 bit vlc seems ok.

    Considering not in the scope of this thread think I'll let it go...after this

    Anyway for the few that may wish to test on 64 bit, made the few changes to the slackware patch, may be good for a day or 2 or longer - till there is a line change in ffmpeg, though the gist is pretty straightforward and can be adjusted.

    Can be applied 2 ways - leave as a .gz, place in vlc_build folder, and run @ ffmpeg source folder prompt
    Code:
    zcat ~/vlc_build/amd_asm.diff.gz |patch -p1
    ex.
    Checked out revision 21665.
    doug@doug-laptop:~/vlc_build$ cd ffmpeg
    doug@doug-laptop:~/vlc_build/ffmpeg$ zcat ~/vlc_build/amd_asm.diff.gz |patch -p1
    patching file libavcodec/dsputil.h
    Hunk #1 succeeded at 771 (offset 23 lines).
    patching file libavcodec/x86/dsputil_mmx.h
    patching file libavcodec/x86/vc1dsp_mmx.c
    patching file libswscale/swscale.c
    Hunk #1 succeeded at 131 (offset -90 lines).
    Hunk #2 succeeded at 160 (offset -90 lines).
    or extract to vlc_build folder and run instead at the same ffmpeg prompt
    Code:
    patch -p1 < ~/vlc_build/amd_asm.diff
    otherwise all is the same except adding --enable-pic to both the x264 and ffmpeg configures (and the deal with live555 - I forget the exact...
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    Last edited by mc4man; March 3rd, 2010 at 04:31 PM. Reason: patch still good thru -r22169

  8. #8
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    Re: Howto: Build the development version of vlc under Ubuntu

    Hi mc4man,

    Quote Originally Posted by mc4man View Post
    (and the deal with live555 - I forget the exact...
    Thanks very much for delving into all that . The live555 libraries simply needed -fPIC added into the compile options before running ./genMakefiles linux and the quick way to do this is with sed:

    Code:
    sed -i_bak 's/-O2 /-O2 -fPIC /' config.linux
    This should all serve at the very least as a starting point for 64bit users? I keep waiting for somebody to discard a 64bit system while going after the latest and greatest.....

    Andrew
    You think that's air you're breathing now?

  9. #9
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    Re: Howto: Build the development version of vlc under Ubuntu

    Hi Supersonic,

    Quote Originally Posted by SuperSonic4 View Post
    May I suggest placing a link to the VLC plugins manager.
    I have caved in and placed directions for placing the extensions in the correct location. I have streamlined the syntax a little so hopefully installation will be pretty easy...

    Andrew
    You think that's air you're breathing now?

  10. #10
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    Re: Howto: Build the development version of vlc under Ubuntu

    Hi,

    If you are having trouble compiling with a 'maemo' skins error compilation can be achieved by adding:

    Code:
    --disable-skins2
    to the ./configure line. Hopefully this will be fixed soon...

    Edit: Still broken so I have added --disable-skins2 to the main guide. If it is fixed and I don't pick up on it I would be grateful for a poke.

    Andrew
    Last edited by andrew.46; February 10th, 2010 at 10:35 PM.
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