[vlc-devel] Re: sse2 detection

[Vaclav Koldus]

Sigmund Augdal Helberg napsal(a):

>On Wed, 2006-01-18 at 14:39 +0100, Vaclav Koldus wrote:
>  
>
>>Sigmund Augdal Helberg napsal(a):
>>
>>    
>>
>>>On Wed, 2006-01-18 at 08:09 +0100, Vaclav Koldus wrote:
>>> 
>>>
>>>      
>>>
>>>>Hi people!
>>>>
>>>>Recently I found out I need to optimalize some processes in my video 
>>>>filter and I rewrited them in SSE2. To keep things clean
>>>>I want to know which is the most simple way how to detect whether the 
>>>>running machine supports it. Are there any functions
>>>>or macros in VLC to find this out?
>>>>   
>>>>
>>>>        
>>>>
>>>if( p_obj->p_libvlc->i_cpu & CPU_CAPABILITY_SSE2 )
>>>
>>>Where p_obj is any vlc object.
>>>
>>>Sigmund
>>> 
>>>
>>>      
>>>
>>>>Thanks and best regards,
>>>>
>>>>Vaclav
>>>>
>>>>   
>>>>
>>>>        
>>>>
>>> 
>>>
>>>      
>>>
>>Thanx a lot!
>>    
>>
>You may find it useful that vlc --no-sse2 will override the detection.
>This can be useful to test that your code works in either case. (or at
>least fails gracefully).
>
>Sigmund
>  
>

Usefull indeed! many thanks again.
I see you've got good knowledge 'bout the topic. Please could you see my 
next post?
(input callback)

I'd be gracefull.

V.

>>V.
>>
>>    
>>
>
>  
>

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