On 12/20/18 1:09 AM, Pali Rohár wrote:
> On Thursday 13 December 2018 19:43:37 EHfive wrote:
>> Optional (build with --disable-bluez5-aac-codec)
>>
>> AAC User Configurations:
>>KEY VALUEDESC
>> DEFAULT
>>aac_bitrate_mode[1, 5] Variable Bitrate (VBR) (encoder) 5
>>0Constant Bitrate (CBR) (encoder)
>>
>>aac_fmt s16 16-bit signed LE (encoder)
>> auto
>>s32 32-bit signed LE (encoder)
>>auto
>>
>>aac_afterburner FDK-AAC afterburner feature (encoder) on
> In my opinion, support for AAC make sense only in passthrough mode. E.g.
> when your music files are already stored in AAC and you have headset
> with AAC support; and you do not want to re-encode it twice.
I think if we have high enough sample rate and bit depth, decode -
encode wouldn't cause sound quality loss.
>
> But I do not see support for passthrough mode in this patch. It is
> planned?
Not planned.
Besides, AAC here stands for AAC-LC, so not all AAC could do what you say.
> Maybe similar thing could be useful for MPEG1 A2DP audio codec (as lot
> of people listen MP3 files), but I have not seen headset with MPEG1
> support...
>
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