SDP - H.264 sprop-parameter-sets

sprop-parameter-sets contains information about sequence and picture parameters set for the incoming NAL stream. The value are Base64 encoded. A comma is used to separate any pair of parameter set in the list. For example, sprop-parameter-sets=Z2ASEW12 , AsaR3QD

In general, sprop-parameter-sets are the SPS and PPS of NAL unit needed to initialize the decoder. If you want to parse the sprop-parameter-sets, they are separated by a comma. The left hand side of the comma is SPS and the right hand side of the comma is PPS.

See RFC 3984 Section 8.1 for detail

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