[FFmpeg-devel] [PATCH] aacdec: add support for dual mono in Japanese DTV

[Michael Niedermayer]

On Sat, Aug 25, 2012 at 09:09:46AM +0900, Akihiro TSUKADA wrote:
> (2012年08月25日 02:58), Michael Niedermayer wrote:
> > ok, but could the ts demuxer transmit enough information to
> > the aac decoder so the aac decoder could then find out where exactly
> > dual mono ends and starts?
> > I am thinking of a "is Japanese DTV" flag in side data or extra data
> > (extra data must not change throughout the stream though)
> > with which the decoder can then detect dual mono together with
> > dual SCE chan config=0
> 
> I understand.
> You meant that jp_dtv_mode AVOptions should be moved to
> side data or extra data, as the flag is by its nature
> not supposed to be set by users (or changed at runtime), right?

yes
but its no problem if the user can override the flag too, it just
should not be neccessary for things to work with a mpeg ts demuxer


> I agree with you and will send an updated version later.
> thanks for your advice.
> ----------
>   akihiro
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-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Breaking DRM is a little like attempting to break through a door even
though the window is wide open and the only thing in the house is a bunch
of things you dont want and which you would get tomorrow for free anyway
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