[Ffmpeg-devel] configure misses libdts
Wed Apr 25 19:37:27 CEST 2007
Justin Ruggles wrote:
> Reimar Doeffinger wrote:
>> On Wed, Apr 25, 2007 at 01:23:53AM +0200, Diego Biurrun wrote:
>>> Isn't somebody working on the multichannel problem? And/or is it going
>>> to get fixed faster if this gets applied?
>> In this case: Almost certainly no. libdts in ffmpeg could not do
>> multichannel forever before it got fixed.
>> And that might at least partially have been motivated by the mess the
>> previous code was and not only to get multichannel.
> Adding multichannel shouldn't be difficult. I just got dca.c to output
> in 5.1. It will also be easier once the downmixing framework is in
> place. But for now, I think I can get the behavior to be similar to
> that of AC3 with a little work. I just need to study the code some more
> since I don't know DTS very well. Is there any documentation?
> DTS 5.1 seems to be in MPEG channel order (same as AAC). On this note,
> I'll also post my most recent channel reordering code sometime today or
> tomorrow. The only part I have left is the user-level logic for ffmpeg.c.
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