[gstreamer-bugs] [Bug 580005] separate caps for mp4mux?

GStreamer (bugzilla.gnome.org) bugzilla-daemon at bugzilla.gnome.org
Tue Apr 28 06:18:15 PDT 2009

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  GStreamer | gst-plugins-bad | Ver: 0.10.12

------- Comment #15 from Christian Fredrik Kalager Schaller  2009-04-28 13:18 UTC -------
So I been pondering the attribute values back and forth. So my initial reaction
was to use ftyp values as it would give people something they are familiar
Then after discussing the issue with Wim and Tim in #gstreamer I came to the
conclusion that it would just introduce semi-confusion like the GStreamer caps
aka 'not mimetypes' does to a certain degree as we would typefind something as
ftyp=qt, while its actually a ftyp=pana for example. 
But then after thinking some more about it, I am wondering if maybe the correct
solution is to use the ftyp after all, cause in theory I guess we could want
our muxer to be able to output all the 31 types of quicktime listed by mp4ra.
And we might at some point want separate typefinders/typefinding for all those
31 types. And at that point using our own values might start to be even more
confusing/non-optimal than adopting the ftyp here.

Wim mentioned that there might be Quicktime files without a ftyp, but I guess
we could sort that by adding a 'none' subcap or something?

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