[FFmpeg-devel] [PATCH 4/6] avformat/wavdec: s337m support

Tomas Härdin git at haerdin.se
Wed Feb 22 12:10:11 EET 2023

tis 2023-02-21 klockan 12:30 +0000 skrev Nicolas Gaullier:
> > This is why it is better to demand that these things be explicitly
> > signalled. At the same time a lot of users expect ffmpeg to Just
> > Work, but that is not always possible. Perhaps we should should put
> > this in the manual and tell >spdif/s377m/dolby-e users to RTFM?
> > 
> > > And another point here in this latest edition on my patch serie
> > > is 
> > > that the use of an existing AVOption makes it possible for users
> > > to 
> > > upgrade their command lines just now by adding the option :
> > > ignored in previous version, it will take effect the day they
> > > upgrade 
> > > their ffmpeg version, so the transition can be smooth...
> > 
> > Assuming users read the documentation of course..
> Yes, definitely, at the end, I don't see an option other than RTFM.
> Documentation : I could insert a "dolby_e" section between ac3 and
> flac in decoders.texi.
> But there is nothing specific to dolby_e for real.
> Maybe an overall "stream probing" chapter would be better in
> decoders.texi between "Decoders" and "Video Decoders" chapters; with
> a specific paragraph about the non_pcm_mode option for wav/s337 (and
> later for s302) ?

Hmm. Perhaps. This also touches demuxers to an extent, so perhaps a
section for wavdec with a link to the dolby-e section in the decoder
documentation in that case?


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