[FFmpeg-devel] idct/fdct optimizations on arm

Måns Rullgård mans
Thu Mar 11 01:10:35 CET 2010


Pavel Pavlov <pavel at summit-tech.ca> writes:

>> Yes, those would be among them.
>> 
>> >> What hardware do you have with accelerated dct?
>> >
>> > I think most mobiles have some sort of HW for that.
>> 
>> Most phones have some kind of video accelerators, usually frame-level
>> codecs with secret APIs talking to more secret hardware.
>> 
>> You said you had some code to use a hw dct accelerator.  I was curious
>> what this was.
>>
>
> There are some projects that use that kind of code:
> http://tinyurl.com/yzzj59t
> here's example where it's used in a video decoder: http://tinyurl.com/yg4elqh

So you don't actually know what your device can or cannot do?  I can't
comment on the feasibility of using any acceleration in your phone if
I don't know exactly what you have.

-- 
M?ns Rullg?rd
mans at mansr.com



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