[FFmpeg-user] Current state of DTS "Master Audio" decoding?

[Paul B Mahol]

On 2/29/20, Ian Pilcher <arequipeno at gmail.com> wrote:
> There's a lot of conflicting information out there on this subject.
> Most of what I've seen indicates that FFmpeg is only able to decode the
> lossy "core" component of DTS-HD-MA streams.
>

You are watching too much fake news.

> But then there's dcadec[1].  Its README indicates that it is able to
> decode the lossless master audio streams, and that it has been "fully
> integrated" into FFmpeg.
>
> Can anyone clarify exactly what this means?  When decoding DTS-HD-MA
> audio does FFmpeg automatically decode the lossless stream, or do I have
> to somehow tell it to do so?  Are any particular configure options or
> libraries required to enable lossless decoding?

None, just use recent ffmpeg version, and it will decode full
DTS-HD-MA just fine.

>
> Thanks!
>
> [1] https://github.com/foo86/dcadec