[gstreamer-bugs] [Bug 476916] Have a source based on gvfs

[GStreamer (bugzilla.gnome.org)]

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  GStreamer | gst-plugins-good | Ver: HEAD CVS




------- Comment #5 from René Stadler  2007-09-17 19:02 UTC -------
Created an attachment (id=95755)
 --> (http://bugzilla.gnome.org/attachment.cgi?id=95755&action=view)
Add experimental gio plugin with source and sink elements to -bad

This patch adds files gst/gio/gio{,src,sink}.{c,h} to gst-plugins-bad.  It's
placed into gst/ instead of ext/ since the final gio library is going to end up
in glib (alongside libgobject, libgthread etc), which means the plugin will
indeed have no external dependency in the future.

For testing purposes, the elements are registered with rank PRIMARY + 1, making
them replace not only the gnomevfs elements but even filesrc and filesink.

Use grep -A 3 FIXME gst/gio/*.c to get a list of shortcomings and remarks.  The
biggest FIXMEs are probably the missing overwrite support for the sink and the
hard coded list of supported protocols.

You are likely to encounter bugs in gio; in particular a crasher where the vfs
object pointer is NULL.  This is a bug in the function g_vfs_get_local in
gio-standalone/gio/gvfs.c.  To fix it, declare the vfs variable as static
there.  I sent a patch to Alex to fix this.

If you use totem, rhythmbox or another DBus-using app, you will probably
trigger a GVFS assertion in gdbusutils.c (dbus_watch_get_data (watch) ==
NULL)).  You can work around that by wiping your registry and using
--gst-disable-registry-fork.

The effect of this is that the gst gio plugin will be initialized very early. 
It seems that the client of the gvfs daemon hooks into the main context to get
the (shared) session bus connection socket's events scheduled.  This seems to
collide with dbus-glib own's integration, which is installed by the app.

Bug summary should be changed to "Add GIO (GVFS) source and sink elements". 
Component can be changed to -bad (I guess the final module will be -base).


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