[gstreamer-bugs] [Bug 500152] reduce videotestsrc cpu usage

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=500152
  GStreamer | gst-plugins-base | git

--- Comment #10 from Edward Hervey <bilboed at gmail.com> 2010-07-22 14:32:33 UTC ---
Created an attachment (id=166393)
 View: https://bugzilla.gnome.org/attachment.cgi?id=166393
 Review: https://bugzilla.gnome.org/review?bug=500152&attachment=166393

videotestsrc: Don't re-render every frame when it's not needed.

For all the formats that support it and whenever downstream hasn't
changed, we returned a metadata-writable read-only copy of the
original buffer.

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