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To: gentoo-dev@g.o
From: Tomáš Chvátal <scarabeus@g.o>
Subject: Re: Please enhance your USE descriptions!
Date: Thu, 31 Mar 2011 10:11:10 +0200
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Dne 31.3.2011 09:51, Fabian Groffen napsal(a):
> On 31-03-2011 09:41:10 +0200, Tomáš Chvátal wrote:
>> Dne 31.3.2011 09:33, Fabian Groffen napsal(a):
>>> On 31-03-2011 09:23:16 +0200, justin wrote:
>>>> instead of the default
>>>>
>>>> mp3 - Add support for reading mp3 files
>>>
>>> I find the default clear enough.  It seems the mp3 USE-flag is
>>> overloaded with multiple functions, this is likely the cause of the
>>> problem here.
>>>
>> The mp3 useflag is correct. It just can use mpg123 which is actualy
>> better implementation and if you compile mplayer with -mp3 then it looks
>> to libavcodec for the mp3 support (which is supposed to be worse than
>> the mpg123).
> 
> use.desc gives the default USE-description, which says it enables
> support for reading mp3 files.  Hence, (based on what you say) the
> useflag is incorrect for mplayer, because it can *always* read
> mp3-files.
> 
> mplayer should not use mp3 USE-flag, because -mp3 to still have a
> mp3-reading capable player feels quite counter-intuitive.  It happens to
> be that mp3 USE-flag is hooked up to the encode USE-flag -- this is
> where it no longer has anything to do with the description from
> use.desc.
> 
> 
Well technically yep, but for lets say the ffmpeg the mp3 useflag means
"Enable mp3 encoding support." :)

If user sets -mp3 it still can play mp3 tracks but in really worse
quality so it is just nice convinience that ffmpeg always allows playing
those files.

Since i was that kind and disabled internal libmp3 that was first in
order of what would be used simply with -mp3 you will get mplayer
playing mp3 tracks but it is not desirable for you to do so.
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Replies:
Re: Please enhance your USE descriptions!
-- Jesús J . Guerrero Botella
References:
Please enhance your USE descriptions!
-- justin
Re: Please enhance your USE descriptions!
-- Matt Turner
Re: Please enhance your USE descriptions!
-- justin
Re: Please enhance your USE descriptions!
-- Fabian Groffen
Re: Please enhance your USE descriptions!
-- Tomáš Chvátal
Re: Please enhance your USE descriptions!
-- Fabian Groffen
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Updated Jun 29, 2012

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