[Bug 704927] New: Let queue2 forward the upstream scheduling flags

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=704927
  GStreamer | gstreamer (core) | git

           Summary: Let queue2 forward the upstream scheduling flags
    Classification: Platform
           Product: GStreamer
           Version: git
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gstreamer (core)
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: sjoerd at luon.net
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


Created an attachment (id=250197)
 --> (https://bugzilla.gnome.org/attachment.cgi?id=250197)
proposed patch

Current muxers can't know that they should avoid seeks if possible when queue2
is used as it only indicates the _SEEKABLE  scheduling flag. By letting queue2
by default forwards the upstream, and add _SEEKABLE if required we can ensure
information about _SEQUENTIAL and _BANDWIDTH_LIMITED also reaches the demuxer
so they can act on them.

Proposed patch attached. One thing i'm not entirely sure about is whether
_SEEKABLE should be masked if we're not using a tmpfile (I would assume not,
but worth another look i guess)

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