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

[Carl Eugen Hoyos]

2017-11-14 21:01 GMT+01:00 pkv.stream <pkv.stream at gmail.com>:
> 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)

Thank you for the explanation!

Carl Eugen