[Bug 675626] New: d3dvideosink: fix several deadlocks

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=675626
  GStreamer | gst-plugins-bad | 0.10.x

           Summary: d3dvideosink: fix several deadlocks
    Classification: Platform
           Product: GStreamer
           Version: 0.10.x
        OS/Version: Windows
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-plugins-bad
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: ylatuya at gmail.com
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


The following patch several potential deadlock in the d3d video sink.

release_swap_chain() and initialize_swap_chain() are called from
set_windows_handle() with the swap_chain lock.

notify_device_lost() and resize_swap_chain() are called from show_frame() with
the shared_3d3_dev lock and the swap_chain lock.

notify_device_lost() is called from device_list() with shared_d3d_dev lock and
shared_d3d lock

This patch needs more testing.

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