On2 VP7

• FourCCs: VP70, VP71, VP72
• Company: On2
• Whitepaper: http://www.on2.com/cms-data/pdf/1123531744838491.pdf (mirrored)
• Specification: http://multimedia.cx/mirror/VP7_Data_Format_and_Decoder_Overview.pdf
• Samples: http://samples.mplayerhq.hu/V-codecs/VP7/

There are two known variants of the VP7 codec, VP70 (General Profile), and VP71 (Error Resilient Profile).