[FFmpeg-devel] FFmpeg TC input needed

[Niklas Haas]

On Sat, 17 Feb 2024 18:45:57 +0530 Gyan Doshi <ffmpeg at gyani.pro> wrote:
> > Whilst s302m multiple substreams I haven't seen, Dolby E streams internally
> > contain multiple programs, often 5.1 and a 2.0 downmix.
> 
> That is downstream of the Dolby-E decoder and user will have to use a 
> filter like channelsplit to bifurcate
> those channels irrespective of where the s302m code resides.

Is there metadata in Dolby E that tells you which channels belong
together (and what attributes they might have)? Is it always 5.1+2.0, or
could you have e.g. four different 2.0 programs encoded into a single
S302M/AES3 stream?