icture and with the value of seq_parameter_set_: for the active view MVC sequence parameter set RBSP shall have the same content as that of the active view MVC sequence parameter set RBSP. Rec. ITU-T H.264 (01/2012) When the active view MVC sequence parameter set RBSP for a coded picture is a subset sequence parameter set RBSP, any subset sequence parameter set RBSP in the coded video sequence containing this coded picture and with the value of seq_parameter_set_id for the active view MVC sequence parameter set RBSP shall have the same content as that of the active view MVC sequence parameter set RBSP. NOTE 4 - If picture parameter set RBSPs or MVC sequence parameter set RBSPs are conveyed within the bitstream, these constraints impose an order constraint on the NAL units that contain the picture parameter set RBSPs or MVC sequence parameter set RBSPs, respectively. Otherwise (picture parameter set RBSPs or MVC sequence parameter set RBSPs are conveyed by other means not specified in this Recommendation International Standard), they must be available to the decoding process in a timely fashion such that these constraints are obeyed. When a sequence parameter set NAL unit with a particular value of seq_parameter_set_id is received, its content replaces the content of the previous sequence parameter set NAL unit, in decoding order, with the same value of seq_parameter_set_ id (when a previous sequence parameter set NAL unit with the same value of seq_parameter_set_id was present in the bitstream). When a subset sequence parameter set NAL unit with a particular value of seq_parameter_set_id is received, its content replaces the content of the previous subset sequence parameter set NAL unit, in decoding order, with the same value of seq_parameter_se id (when a previous subset sequence parameter set NAL unit with the same value of seq_parameter_set_id was present in the bitstream). NOTE 5 - A decoder must be capable of simultaneously storing the contents of the sequence parameter sets and subset sequence parameter set