[Bug 569305] [mgpegvideoparse] not all tags show up in gst.extend.discoverer

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=569305
  GStreamer | gst-plugins-bad | git

Mark Nauwelaerts <mnauw> changed:

           What    |Removed                     |Added
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                 CC|                            |mnauw at users.sourceforge.net

--- Comment #6 from Mark Nauwelaerts <mnauw at users.sourceforge.net> 2011-09-14 13:33:22 UTC ---
While this will (mostly) work, it is not entirely by the book.

That is, the order of "events" should be:
* src caps set
* downstream element gets plugged in after parser
* newsegment event sent
* tag event(s) sent

Some special care and handling is done in BaseParse to arrange for the above,
and subclass should keep that in mind as well, which means performing
_found_tags at the proper time/place (see e.g. mpegaudioparse).

Will make a variation on this patch in line with above.

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