Here are the additional requested comparisons; mp3 fixed, mp3 float and opus.

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   


(codec to codec is different content.)

On 14-10-08 06:06 PM, Janne Grunau wrote:

Which mp3 decoder did you test? Libavcodec has both fixed
and floating point.



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  
mp3     19.2    19.2    8.5     125.9%  madplay         
wmav2   5.7     38.7    4.8     18.8%   gst-wma-codec
gst-wma-codec looks fast. Do you know there it is from? Or is it fully
in gst?

missing from the comaprison is opus (which also misses arm neon
backports from arm64).

Janne


--
Jonathan Bagg
Embedded Systems Developer
NAD Electronics | Lenbrook Industries Limited
633 Granite Court, Pickering, Ontario, Canada L1W 3K1 | 905-831-0799 ext 4478 | 
http://www.nadelectronics.com

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