[Bug 789810] qtdemux: Add support for AC4

GStreamer (GNOME Bugzilla) bugzilla at gnome.org
Wed Dec 13 01:50:59 UTC 2017


https://bugzilla.gnome.org/show_bug.cgi?id=789810

--- Comment #19 from Savinderjit Kaur <savinderjit.kaur at gmail.com> ---
(In reply to Nicolas Dufresne (stormer) from comment #18)
> Thanks for linking the spec. It not clear what the ac4 specific box is
> needed for, it's stated that it's not needed for decoding, there is ac4_toc
> for that. As it's embedded into the Sample box, qtdemux should be stripping
> it off completely.
> 
> The down side is that we cannot easily mix or transmux, as the data is lost,
> but decoders likely succeed. Is there any samples that would demonstrate a
> valid stream ?

I'm afraid I can't share the streams I have. Some of the test content is
available at the dolby site using a valid login.

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