Fixes bug #630442.

We check for matching_attr!=NULL right before already.

Fixes bug #647857.

Leave dealing with the appearance of the window when we are not playing to the
applications. We anyway want to go to NULL as quickly as possible.

Fixes #635800

Fixes a memory leak and bug #636827.

Including Since markers

Fixes bug #631774.

Useful for cropped zooming.

And deprecate the gulong versions.  This is to support platforms
where sizeof(unsigned long) < sizeof(void *).  Fixes #627565.

API: Add gst_x_overlay_set_window_handle()
API: Deprecate: gst_x_overlay_set_xwindow_id()
API: Add gst_x_overlay_got_window_handle()
API: Deprecate: gst_x_overlay_got_xwindow_id()
API: Add GstXOverlay::set_window_handle()
API: Deprecate: GstXOverlay::set_xwindow_id()

xvimagesink: Suggest caps with different width/height if bufferalloc is called with impossible width/height

In place where we just need to know whether caps intersect, we can use this
quicker function.

Expose could be called before we have set the xwindow. Handle this gracefully
like we do in image_put.
Fixes #615789

Don't rely on expose event to query geomentry after new xid is set.

Fixes #615647.

xoverlay: change new set_render_rectangle() vfunc to take four arguments so we don't depend on libgstvideo

Don't make libgstinterfaces (and thus libgstaudio etc.) indirectly depend
on libgstvideo by using the GstVideoRectangle helper structure in the API,
which causes undesirable dependencies, esp. with the gobject-introspection
(people will point and laugh at us if they find out that libgstaudio
depends on libgstvideo). Instead, pass the x, y, width and height parameters
directly to the function.

Re-fixes #610249.

Fixes for the code included

Also change my email from the old university one to the current one.

Previously we hardcoded the target rectangle passes to Xv(Shm)PutImage. Extend
the implementation to use a full rectangle and don't assume 0,0 for top,left.

We can update the geometry in ConfigureNotify (unless we disable event-
handling). If event handling is disabled, one should use _expose() to trigger a
redraw and update the geometry.

The event thread is doing 20 wakeups per second to poll the events. If one runs
xvimagesink with handle-events=false and handle-expose=false then we can avoid
the extra thread.

When we call this from xwindow_new, x(v)imagesink->xwindow is not yet set.

Refactor the code that sets the window title. Catch tag-events and use title
metadata for the window title.

Don't set title if appname is unknown.

According to the drivers in http://cgit.freedesktop.org/xorg/driver/ we should
format the colorkey depending on xcontext->depth. This is what they will use to
interprete the value. The max_value in turn is usualy a constant regardless of
the depth.

Use a default that won't be scales to 0,0,0

Use the pool_lock in the buffer_alloc function to detect shutdown. Avoids
crashes when the sink is shutdown.

Calling clear at that transition does things like stopping xvideo (which is not
running at that time) and also clearing anything what the application might have drawn.
This breaks handle-expose and autopaint-colorkey features.

Add some more debugging to the strides as they are received from the server and
the expected strides.

Original commit message from CVS:
* sys/xvimage/xvimagesink.c:
Don't reset the colorkey when element is reused. Fixes #567511.

Original commit message from CVS:
* sys/ximage/ximagesink.c: (gst_ximagesink_buffer_alloc):
* sys/xvimage/xvimagesink.c: (gst_xvimagesink_buffer_alloc):
Clear all flags on buffers returned from the image pool.
Fixes #563143