# Functions
BaseSessionDescription generates a default SDP response that is ice-lite, initiates the DTLS session and supports VP8, VP9 and Opus.
GetCodecForPayloadType scans the SessionDescription for the given payloadType and returns the codec.
# Structs
MediaDescription represents a media type.
SessionBuilder provides an easy way to build an SDP for an RTCPeerConnection.
SessionBuilderTrack represents a single track in a SessionBuilder.
SessionDescription is a a well-defined format for conveying sufficient information to discover and participate in a multimedia session.