gst/alpha/gstalpha.c: Updated the chroma keying algorithm with something more sophisticated.

Original commit message from CVS:
* gst/alpha/gstalpha.c: (gst_alpha_method_get_type),
(gst_alpha_class_init), (gst_alpha_init), (gst_alpha_set_property),
(gst_alpha_get_property), (gst_alpha_add), (gst_alpha_chroma_key),
(gst_alpha_init_params), (gst_alpha_chain),
(gst_alpha_change_state):
Updated the chroma keying algorithm with something more
sophisticated.
2 files changed