compiling plugins - GEM-dev

13 Feb 2017

I've updated musepack package recompiled and linked with the lib I
have in /usr/lib:

ln /usr/lib/libmpcdec.so.7 /usr/lib/libmpcdec.so.5

now I have this:

dylib loading file './gem_filmGMERLIN.so'!
library loading returned: dlerror
'/usr/local/lib/libgmerlin_avdec.so.1: undefined symbol:
mpc_decoder_seek_sample'

so the problem come from libgmerlin_avdec compiled from original
sources, and there is no package for that in archlinux

My conclusion, it's very hard to compile libgmerlin_avdec because
it's not maintained anymore since 2012, and even if someone can do
this,
it still doesn't work with Gem, and certainly with other externals
that use gmerlin, so this plugin is fairly deprecated, and was
before it came up.

What about writing a video decoder plugin that use libavcodec
instead?

Le 13/02/2017 à 17:50, patrice colet a écrit :

    I've uninstalled, recompiled, and installed everything with
    prefix=/home/patco/pd-externals
    it has resolved 'libMagick++-6.Q16HDRI.so.6' problem but
    libmpcdec.so problem still remains

    Le 13/02/2017 à 17:29, patrice colet a écrit :

        Maybe I'm doing it wrong...

        I am trying to install Gem from compilation into
        ~/pd-external with the configure option
        prefix=/home/patco/pd-externals

        Le 13/02/2017 à 16:07, patrice colet a écrit :

            I've found out how to compile the plugin only, by
            entering into plugin folder and 'make',

            but I still couldn't figure how gem_filmGMERLIN could
            be linked to 'libmpcdec.so.6 instead of 'libmpcdec.so.5.

            Le 13/02/2017 à 15:43, patrice colet a écrit :

                Hello,

                 I'd like to fix plugins linking problem, here is
                the error message:

                "
                dylib loading file
                '/home/patco/pd-externals/Gem/gem_filmGMERLIN.so'!
                library loading returned: dlerror 'libmpcdec.so.5:
                cannot open shared object file: No such file or
                directory'
                ...
                dylib loading file
                '/home/patco/pd-externals/Gem/gem_imageMAGICK.so'!
                library loading returned: dlerror
                'libMagick++-6.Q16HDRI.so.6: cannot open shared
                object file: No such file or directory'

                "

                I'm focusing on gem_filmGMERLIN...
                Make compiles last Gem sources from git until the
                end on my archlinux machine, but the error still
                remains, it doesn't seem to link to installed
                libmpcdec.so.6.

                I'd like to compile the plugin only for figuring
                out what's happening without compiling everything,
                but I don't know the command line for that.

                Thanks for any hint.

                pc

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