[FFmpeg-devel] releases and stuff

[Benjamin Larsson]

Michael Niedermayer wrote:
> On Wed, Feb 11, 2009 at 02:51:43PM +0100, Benjamin Larsson wrote:
>   
>> Michael Niedermayer wrote:
>>     
> [...]
>   
>>>   
>>>       
>>>> Regarding fixed point tables and stuff, the fft routines might behave 
>>>> differently also. To be really sure a complete fixed point version would 
>>>> be needed.
>>>>     
>>>>         
>>> how hard is it to write a fixed point fourier transform? and i mean fourier
>>> not fast fourier
>>>
>>>
>>>   
>>>       
>> The ac3 encoder already have a fixedpoint fft and mdct. We could use 
>> those where needed. Fixed point generation of the mdct tables should be 
>> easy to implement also. Would a solution with a -regtest parameter be 
>>     
>
> we have -bitexact alraedy and yes fixed point code should then be used
> where possible
>   

Ok, I'll see what I can cook up this evening.

MvH
Benjamin Larsson