[Bug 726337] New: omxbufferpool: leak buffers when stopped

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=726337
  GStreamer | gst-omx | git

           Summary: omxbufferpool: leak buffers when stopped
    Classification: Platform
           Product: GStreamer
           Version: git
        OS/Version: All
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-omx
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: julien.isorce at gmail.com
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


Created an attachment (id=271881)
 View: https://bugzilla.gnome.org/attachment.cgi?id=271881
 Review: https://bugzilla.gnome.org/review?bug=726337&attachment=271881

omxbufferpool: fix memory leak if used on output port

When using GstOMXBufferPool on an output port, it internally uses
a GPtrArray to manage the GstBuffers instead of the default queue
from the GstBufferPool base class.

In this case GstBufferPool::default_free_buffer is not called when
the pool is stopped. 

So we have to explicitly call gst_omx_buffer_pool_free_buffer on each buffer
contained in the GPtrArray.

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