[Bug 652037] New: basesrc: less persistent caching of size

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=652037
  GStreamer | gstreamer (core) | git

           Summary: basesrc: less persistent caching of size
    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: mnauw at users.sourceforge.net
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


Created an attachment (id=189384)
 View: https://bugzilla.gnome.org/attachment.cgi?id=189384
 Review: https://bugzilla.gnome.org/review?bug=652037&attachment=189384

basesrc: add dynamic size handling

basesrc currently only checks with the subclass for updated size when it might
be reading past the end of the currently indicated size.  However, the same
size is also used to answer to duration queries, which might therefore grow
stale.

Attached patch allows subclass to request more dynamic size handling.

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