This Recommendation | International Standard1 specifies a set of tests and procedures designed to indicate whether encoders or decoders meet the normative requirements specified in ITU-T H.264 | ISO/IEC 14496-10. NOTE ?C This edition includes the text approved 03/2005@ its Corrigendum 1 approved 09/2005@ conformance tests for professional profiles (approved 06/2008) and conformance tests for the Constrained Baseline@ scalable and multiview profiles (approved 04/2010). 1 This Recommendation | International Standard includes an electronic attachment containing the conformance bitstreams identified within the text. The bitstreams can also be downloaded from the ITU-T Test Signal Database.
ITU-T H.264.1-2012 history
2014ITU-T H.264.1-2014 Conformance specification for ITU-T H.264 advanced video coding
2012ITU-T H.264.1-2012 Conformance specification for ITU-T H.264 advanced video coding (Study Group 16)