Complex sentence: Prior to the initiation of the C-SPAN Video Library, websites such as Metavid and voterwatch.org hosted House and Senate video records, however C-SPAN contested Metavid's usage of C-SPAN copyrighted footage.
Split into simpler sentences: Prior to the initiation of the C-SPAN Video Library, websites such as Metavid and voterwatch.org hosted House and Senate video records. However C-SPAN contested Metavid's usage of C-SPAN copyrighted footage.