[MEncoder-users] MEncoder: AC3 no channel layout specified

[Reimar Döffinger]

On 22.06.2014, at 16:45, Grozdan <neutrino8 at gmail.com> wrote:
> Ping? Reimar, could you look into this, please? Thanks
> 
> On Thu, Jun 19, 2014 at 12:37 PM, Grozdan <neutrino8 at gmail.com> wrote:
>> Hi,
>> 
>> I'm using the AC3 codec from lavc together with the -channels 6 option
>> to specify the amount of channels to decode (input file is DTS 5.1).
>> I'm getting the below message but I'm not sure if this is a bug or
>> not. Just thought to report it.
>> 
>> [ac3 @ 0x7f0333fc47c0]Channel layout not specified
>> [ac3 @ 0x7f0333fc47c0]No channel layout specified. The encoder will
>> guess the layout, but it might be incorrect.
>> 
>> Previously, some revisions ago (don't remember how far back), using
>> -channels 6 did not result in the above message being displayed.

MEncoder doesn't specify a channel layout, and it seems FFmpeg now warns about that.
Since I can't properly test it I don't intend to touch anything unless you can reproduce an actual bug (wrong channel order in the encoded file) and can test any fix.