Port videodataoutout.cpp to GStreamer 1.0
Port videodataoutout.cpp to GStreamer 1.0

Use ifdef's to wrap new code and preserve compatibility

* ffmpegcolorspace -> videoconvert
* gst_object_sink -> gst_object_ref_sink
* Use GstMapInfo to extract data from GstBuffer

KDE/phonon-gstreamer,KDE/phonon-gstreamer