Re: [FFmpeg-devel] [PATCH 1/2] avcodec/liblc3: Add encoding/decoding support of LC3 audio codec

From: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
To: ffmpeg-devel@ffmpeg.org
Subject: Re: [FFmpeg-devel] [PATCH 1/2] avcodec/liblc3: Add encoding/decoding support of LC3 audio codec
Date: Fri, 29 Mar 2024 19:52:44 +0100
Message-ID: <GV1P250MB0737EC9DD76A61E9C9EB05878F3A2@GV1P250MB0737.EURP250.PROD.OUTLOOK.COM> (raw)
In-Reply-To: <CA+wrVda85xp+LoHKmhTTuErPKEqxkhw-D_jzRMrVDkyxgDGTqw@mail.gmail.com>

Antoine Soulier via ffmpeg-devel:
> With free licensed code, I don't think that will happen; the core algorithm
> is the same.
> LC3 is like a subset of LC3plus, but also adds 7.5ms frame duration.
> I acknowledged the use of only one Codec Id, because it makes sense to me
> to distinguish both as different profiles / feature sets.
> Moreover, LC3 and LC3plus declares both the 10ms frame duration. It's
> impossible to distinguish such a stream as LC3 or LC3plus.
> The main difference between the 2 codecs are licenses:
> - LC3 will only be used, and is free to use, over Bluetooth on standard
> profile claiming it.
> - LC3plus can be used anywhere, but is under license fee.
> 
> So it makes sense to me to cover both as LC3.

Thanks for the convincing explanation.

- Andreas

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