Original commit message from CVS:
* gst/subparse/Makefile.am:
* gst/subparse/gstssaparse.c: (gst_ssa_parse_base_init),
(gst_ssa_parse_dispose), (gst_ssa_parse_init),
(gst_ssa_parse_class_init), (gst_ssa_parse_src_event),
(gst_ssa_parse_sink_event), (gst_ssa_parse_setcaps),
(gst_ssa_parse_remove_override_codes), (gst_ssa_parse_parse_line),
(gst_ssa_parse_chain), (gst_ssa_parse_change_state):
* gst/subparse/gstssaparse.h:
* gst/subparse/gstsubparse.c: (plugin_init):
Add very basic parser for SSA subtitle streams (as often
found in matroska files).