Original commit message from CVS:
2004-01-25  Ronald Bultje  <rbultje@ronald.bitfreak.net>

* gst/videofilter/gstvideobalance.c: (gst_videobalance_dispose),
(gst_videobalance_init),
(gst_videobalance_colorbalance_list_channels),
(gst_videobalance_colorbalance_set_value),
(gst_videobalance_colorbalance_get_value),
(gst_videobalance_update_properties),
(gst_videobalance_update_tables_planar411),
(gst_videobalance_planar411):
* gst/videofilter/gstvideobalance.h:
Implement lookup-tables. +/- 10x faster.