[Libav-user] 7.1 audio in aac codec
ggarra13 at gmail.com
Sat Aug 10 03:07:06 EEST 2019
El 9/8/19 a las 17:33, Gonzalo Garramuño escribió:
> El 9/8/19 a las 17:05, Carl Eugen Hoyos escribió:
>> Am Fr., 9. Aug. 2019 um 21:41 Uhr schrieb Gonzalo Garramuño
>> <ggarra13 at gmail.com>:
>>> I am trying to encode 7.1 audio in an aac codec in my program, but the
>>> codec only supports up to 6 channels and I get an error to that effect
>>> if I try to force it to use AV_CH_LAYOUT_7POINT1.
>> Please provide sample code, 7.1 is supposed to work fine with the
>> native aac encoder.
>> Carl Eugen
> Never mind me. I was saving with the ac3 encoder. Sorry for the noise.
Well, I was able to save aac 7.1 audio. However, upon playback I get an
information message that says:
Assuming an incorrectly encoded 7.1 channel layout instead of a
spec-compliant 7.1(wide) layout, use -strict 1 to decode according to
the specification instead.
avctx->std_strict_compliance = FF_COMPLIANCE_STRICT;
and it removes one of the info messages, but not all. Anyway, it would
be better if the messages were not produced at all. I tried saving with
a channel layout of AV_CH_LAYOUT_7POINT1_SIDE but it resulted in noise
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