Re: Helix MP3 decoder playback problem on ARM9E

On Sep 3, 2009, at 5:14 AM, Santhosh Muralidharan wrote:

> Hi All,
>
>     I've ported Helix DNA Client onto ARM9E with linux running on  
> it. I've integrated Helix DNA client to qt-extended using helix- 
> client-src-cayenne-qtopia-4.3.0.tar.gz. When I tried MP3 playback  
> using the splay application, the audio is played with noise and the  
> audio playback is not at constant rate. splay application alone uses  
> around 86 % of cpu. I tried dumping the output of the decoder and  
> there is no problem with the output pcm.  Even without mp3 decoding,  
> splay application takes around 60 % of cpu, for parsing and rendering.
>
> The processor I use runs at 160 MHz.
>
> Has anyone faced the such problem in the past?
> Is there any problem with respect to the MIPS consumed by the splay  
> application?
>
> Any input on this regard would be of great help.


Hmmmm. Autio only MP3 playback should not take that much CPU. Is this
local or network playback?

How did you take out MP3 decoding, did you just modify the code to skip
it or did you use the NULL renderer?

--greg.