threefive is SCTE-35. threefive Parses SCTE-35 in every available format. MPEGTS, HLS, DASH. Yes.

threefive3 is the best SCTE-35 Parser, SCTE-35 Decoder and SCTE-35 Encoder Available. SCTE-35 Cli and SCTE-35 python3 library. threefive3 parses SCTE-35 from MPEGTS, HLS, XML,Base64,Bytes, Integers, Hex, JSON, etc.. Multicast support is built in.