SCTE 35 Part 1
splice_command_length
splice_info_section · Decimal
The length in bytes of the splice command that follows, up to but not including the descriptor loop. The value 0xFFF is a legacy sentinel that downstream equipment ignores.
splice_info_section · Decimal
The length in bytes of the splice command that follows, up to but not including the descriptor loop. The value 0xFFF is a legacy sentinel that downstream equipment ignores.