[FFmpeg-devel] [PATCH v3 3/6] avformat/s337m: Make available as subdemuxer

[Carl Eugen Hoyos]

Am Do., 8. Aug. 2019 um 14:18 Uhr schrieb Gaullier Nicolas
<nicolas.gaullier at arkena.com>:
>
> >> +int avpriv_s337m_probe_stream(void *avc, AVIOContext *pb, AVStream **st, int size);

> > This is to the best of my knowledge not acceptable (to have a public function for a particular
> > format), instead create a new demuxer that supports this raw format.
>
> S337m is a very particular format though:

Yes (like others)

> potentially, it may be probed within any pcm stream, I don't see anything comparable in any other format.

Look at spdif in wav.

> The problem is, the developer will use a standard demuxer or device to open the streams (for example, a
> decklink, an mxf etc.), and then decide if he wants to process some of the streams as regular pcm or as
> dolby E to be decoded. I may be wrong, but I don't see how the same workflow could be obtained by
> creating a new separate demuxer.

This will work without any issue (just as it does for dca in wav).

Carl Eugen