[FFmpeg-devel] [PATCH] aacenc: WIP support for PCEs

pkv.stream pkv.stream at gmail.com
Tue Nov 14 22:01:45 EET 2017

Le 14/11/2017 à 1:20 AM, Carl Eugen Hoyos a écrit :
> 2017-11-09 9:01 GMT+01:00 pkv.stream <pkv.stream at gmail.com>:
>> 1) there are changes to make to the list of channel layouts not requiring
>> PCE
>> ==> AV_CH_LAYOUT_5POINT0 to AV_CH_LAYOUT_5POINT0_BACK since the previous is
>> 5.0(side) while the latter is 5.0 which is what is in spec (table 1.19
>> ISO/IEC 14496-3:200X(E) or table 42 ISO/IEC 13818-7:2004(E) )
>> see patch in attachment (can't be applied directly due to rebasing issues
>> from your initial patch)
> Did you test what effect this patch has on ffmpeg (the command line interface)
> when encoding five- or six-channel aac from back and side source?
yes I did check, this patch reverts aac encoder to previous behaviour 
with 5.0 and 5.1 (when there was no PCE)

> If something weird happens (like resampling), a Changelog entry may be a
> good idea.

> Thank you, Carl Eugen
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