download video chunks in parallel

[ivanjx]

i noticed there is quite a difference of the network utilization between jellyfin web and openspeedtest (they are on the same server). i am connected to the server using wireguard. i believe i have between 12-14 Mbps of bandwidth between the client and the server though latency might not be the best in my case. when i use openspeedtest i was able to utilize close to 100% of that bandwidth with this on the network tab:

however, i often experienced lags and buffering with jellyfin as it downloads the chunks one by one as shown below:

i also noticed that jellyfin only utilized 3-5 Mbps of the bandwidth while it was playing with this info:

i was thinking maybe it would be a lot better if jellyfin can utilize more of the bandwidth by trying to download more than one chunks at a time when they are available.