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Compiling xbmc against jpeg-6b in a custom location
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enkil
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Joined: 27 Apr 2004
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PostPosted: Wed Oct 21, 2009 5:36 pm    Post subject: Compiling xbmc against jpeg-6b in a custom location Reply with quote

Since I upgraded to jpeg-7, skins in xbmc have slowed down considerably. As I have jpeg-compat installed I was wondering if there is a simple hack to compile xbmc against jpeg-6b.

Can I compile jpeg-6b manually and install it to e.g. /opt/jpeg-6b and compile xbmc against that version of jpeg? If that's possible, I would start xmbc with LD_PRELOAD=/usr/lib/libjpeg.so.62 and (hopefully) not suffer from the slow skins anymore.

Is that possible without changing the makefile(s) of xbmc?
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Ant P.
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Joined: 18 Apr 2009
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PostPosted: Wed Oct 21, 2009 8:16 pm    Post subject: Reply with quote

The LD_PRELOAD will probably work without recompiling xbmc. Try compiling libjpeg6 manually and put it in /usr/local/lib/. If it works, it works.
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enkil
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Joined: 27 Apr 2004
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Location: Bern, Switzerland

PostPosted: Thu Oct 22, 2009 4:22 pm    Post subject: Reply with quote

I am compiling xbmc with a modified ebuild, so I guess putting stuff in /usr/local doesn't have any effect. I can't use the LD_PRELOADed version of jpeg-6b if I compile xbmc against jpeg-7 since there were ABI changes.

Anyway, I worked around it by unmerging jpeg-7 and jpeg-compat, merging jpeg-6b, merging xbmc and upgrading to jpeg-7...
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kali
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PostPosted: Tue Oct 27, 2009 1:49 pm    Post subject: Reply with quote

but if you recompile a new svn you get the same problem
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SamuliSuominen
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Joined: 30 Sep 2005
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PostPosted: Tue Oct 27, 2009 5:35 pm    Post subject: Reply with quote

meh! it's still a problem?

i wonder what there is so special about xbmc that it's the only program in entire portage that's having issues with jpeg.
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kali
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PostPosted: Mon Nov 09, 2009 2:50 pm    Post subject: Reply with quote

yes, still a problem

xbmc developer use ubuntu as reference and 9.10 and next 10.4 stay with 6b, so their priority to fix this bug is very very low :/
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SamuliSuominen
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PostPosted: Mon Nov 09, 2009 3:19 pm    Post subject: Reply with quote

kali wrote:
yes, still a problem

xbmc developer use ubuntu as reference and 9.10 and next 10.4 stay with 6b, so their priority to fix this bug is very very low :/


uhhh, and I'm already planning on dropping jpeg-6b from portage, leaving only the jpeg-compat for binary only apps


hey, can you test with media-libs/tiff-3.9.2 + media-libs/jpeg-7 if that makes any difference? the 3.9.2 has a jpeg-7 fix included
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kali
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PostPosted: Mon Nov 09, 2009 7:24 pm    Post subject: Reply with quote

no difference, 100% cpu for ~5'' then the background is loaded correctly
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