Recompile Speex enc for CPU usage reduction on muting microphone

[tanmay.ambre]

Hi. 
I am using libgstspeex library and encoder to build a gtsreamer application 

I found that all my intel Pentium 4 machines consume 15-50 % CPU when I use
speex. Same when I use AAC or any other encoder the CPU consumption is
stable at 0-5 %. 

After searching through various posts I found a post (
http://comments.gmane.org/gmane.comp.audio.compression.speex.devel/6296 ) 
from 2009 which states similar observation to mine. 

It states that I need to build the speex library for fixed point operation
rather than floating point operations for some intel processors. 

Has any one else experienced similar problem or is there a straight forward
solution. 

I tried compiling for FIXED POINT and VBR off but the plugin started to
crash. 

Tanmay

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