Init Best Download - Ogg Stream

"Ogg Stream Init Download" appears to be a specific technical identifier or file name associated with specialized software components, though it is not a standard standalone consumer application. What is it?

return buffer: chunksAll.buffer, reader: reader ; Ogg Stream Init Download

0;1121;0;2cb; 0;d7;0;f1; 0;88;0;98; 0;279;0;17a; 0;1159;0;b19; "Ogg Stream Init Download" appears to be a

: The player passes these headers to the appropriate decoder (e.g., libvorbis, libopus). The decoder uses this info to understand how to process the incoming audio or video packets. Ogg Stream Init Download