Optimize HLS stream index by memoizing index records per segment
Optimize HLS stream index by memoizing index records per segment

StreamMachine/StreamMachine,pedropapa/StreamMachine,SCPR/StreamMachine,DreamNetwork/StreamMachine,pteich/StreamMachine,SCPR/StreamMachine,StreamMachine/StreamMachine,pedropapa/StreamMachine,pteich/StreamMachine,cdgraff/StreamMachine,cdgraff/StreamMachine,DreamNetwork/StreamMachine