[FFmpeg-soc] AAC integration

[Mike Melanson]

Andreas Öman wrote:
> Michael Niedermayer wrote:
>>> Either way, I'll have a look at it and come back when I know
>>> whats going on ..
>> Some tool in AAC uses random(), this of course will not match between
>> decoders. I dont know though if this is the cause of any of the above.
> 
> Yep, I've checked that, and it's not the reason.
> 
> IIRC there are two or three reference streams which utilizes the
> noise generator function. I haven't even put any effort in comparing
> them. Still the wav reference sound quite different from the output
> produced by aac.c. I'll have a look into that as well. Though, I think
> it's very seldom used. But that's just me speculating :)

How does our random number generator work? Is it randomly seeded for
each decode? Or will it produce the same random sequence on each run? If
the latter is true, at least we can expect those reference streams to
decode the same each time and test based on that assumption.

	Thanks...
-- 
	-Mike Melanson