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Author Topic: ffmpeg no libmp3lame codec [Solved]  (Read 4282 times)
davidlondonuk
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« on: November 11, 2010, 01:52:43 pm »

Hi,

If I attempt to use ffmpeg with libmp3lame the command line exits with 'unknown codec', is ffmpeg not compiled with libmp3lame in vector linux-do I have to recompile this package?

Thanks for any help,

David

Solution Quite rightly the license for ffmpeg requires distributors to NOT use the --non-free compile option for proprietary codecs like xvid & mp3. If you want those codecs for then you will need to recompile
« Last Edit: January 24, 2011, 02:23:04 am by davidlondonuk » Logged
stretchedthin
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« Reply #1 on: November 11, 2010, 03:46:53 pm »

Which FFMPEG version does it show you are using in GSlapt?
I believe r20056 is the most current version.
It was built with a statically included LAME version 398-2


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davidlondonuk
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« Reply #2 on: November 11, 2010, 11:23:45 pm »

Thanks stretched, ffmpeg installed shown in gslapt is 'svn_13024' from the gsb repo, there is a 0.6 version I could install instead shown in glsapt?

 
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stretchedthin
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« Reply #3 on: November 12, 2010, 12:16:07 am »

I have not used that one yet, but that should be the newest. Give it a go.
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davidlondonuk
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« Reply #4 on: November 12, 2010, 12:39:03 am »

Gslapt sees the ffmpeg 0.6 version as a downgrade, if you attempt to remove the svn_13024 version it will remove most multimedia apps. I could downgrade but have no idea if 0.6 will have libmp3lame built in.

Strange, mencoder via mplayer has no problem but ffmpeg does?
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GrannyGeek
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« Reply #5 on: November 12, 2010, 05:33:04 pm »

Gslapt sees the ffmpeg 0.6 version as a downgrade, if you attempt to remove the svn_13024 version it will remove most multimedia apps. I could downgrade but have no idea if 0.6 will have libmp3lame built in.

Appearing as a downgrade is a rather dubious "feature" of the way Gslapt works. What you need to do is start Gslapt and go to Edit, Preferences, Sources. For each source that has a dark box click on each one and hit Edit. Priority should be Default. If something else shows in Priority, change it to Default. OK your way out and click on the Update icon. Now you won't get a "downgrade" when it's actually a newer version.

As for uninstalling, I'll say categorically that you should *never* do it with Gslapt. Always uninstall just the packages you want to remove by opening a terminal, doing su to root and then type
removepkg nameofpackage
(putting the actual package name instead of nameofpackage).

Gslapt is often much too aggressive in removing packages and will take out other packages that might use the package you are removing but don't actually need it. removepkg is less aggressive.
--GrannyGeek
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davidlondonuk
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« Reply #6 on: November 16, 2010, 08:05:11 pm »

Thanks Granny-I get the impression that ffmpeg on vector is not compiled with mp3lame support, although mplayer is which is weird.
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