[Bug 738242] Segfault when trying to position a textoverlay outside of the video frame

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=738242
  GStreamer | gst-plugins-base | unspecified

--- Comment #1 from Vineeth <vineeth.tm at samsung.com> 2014-10-10 04:40:20 UTC ---
Created an attachment (id=288182)
 View: https://bugzilla.gnome.org/attachment.cgi?id=288182
 Review: https://bugzilla.gnome.org/review?bug=738242&attachment=288182

basetextoverlay segfault fix

This is happening because, when xpos is being calculated,
it is exceeding the size of the video frame

Added a check such that when the pos of x or pos of y exceeds the size, it
automatically adjust to the max possible position of x/y

Please check if this is a valid fix

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