On 20/10/14 21:51, Jonathan Bagg wrote:
> Here are the additional requested comparisons; mp3 fixed, mp3 float and
> opus.

Thanks a lot!

> Tables
> 
>     Decode Time (s)    
>     
> codec     libav     libav no neon     incumbent     % change    
> compared against    
> aac         9.7     59.5              40.6          −76.1%     faad    
>     
> alac        8.1      8.1               6.5           24.6%     faad
>     
> flac       10.9     11.6              11.2           −2.7%     flac    
>     
> ogg         9.9     47.7              35.5     −72.1%     ogg123    
>     
> opus       71.3     71.5              71.6     −0.4%     opusdec (libopus 
> 1.1-fixed)
> mp3 (fixed)     19.2     19.2     8.5     125.9%     madplay    
>     
> mp3 (float)     50.7     52.7    
>
> wmav2     5.7     38.7     4.8     18.8%     gst-wma-codec    

Alac, wmav2 and mp3 need some optimizations (as in neon assembly) for sure.

opus and the other probably have some room for improvement as well I guess.

Thanks a lot!

lu
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