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

Akihiro TSUKADA atsukada at users.sourceforge.net
Sat Aug 25 02:09:46 CEST 2012

(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?
I agree with you and will send an updated version later.
thanks for your advice.

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