[MPlayer-dev-eng] compiling mplayer with gcc 4.6, broken audio decoding

[Ionuț Bîru]

On 03/29/2011 06:11 PM, Guillaume POIRIER wrote:
> Hello,
>
> On Tue, Mar 29, 2011 at 1:54 PM, Ionuț Bîru<ionut at archlinux.ro>  wrote:
>> Hi,
>>
>> right now i only found that mp3lib codec is affected, very high pitch sound,
>> doesn't matter which audio output i'm using.
>>
>> mplayer log while playing: http://paste.xinu.at/XqVg/
>> config.log http://paste.xinu.at/XxBKH/
>> config.mak http://paste.xinu.at/gAHO/
>
> Could you try to narrow it down to the mp3lib file that lead to this problem?
>
> Here's how you can do it:
>
> 1- Compile mplayer with gcc-4.5,
> 2- then recompile one of the file of mplayer/mp3lib/ with gcc-4.6, and
> re-launch mplayer's link
> 3- re-test if mp3 decoding is affected
> 4a- if decoding is unaffected, then move to the next mp3lib file
> 4b- if decoding is affected, then it's be interesting to see how the
> assembly differs.
>
> Best regards,
>
> Guillaume
>


i didn't manage to do this but i did found that if i pass --disable-sse 
to configure, the decoder is not affected. I don't know if is a bug in 
gcc, bug in the code or flags that mplayer uses.

-- 
Ionuț