Advise for system and software

[Rockthisparty]

Hi!

I hope you can give me some advise to reduce failed trials

I‘m trying to replace a broken VU DUO2 with internal hdd.

My expectation:

• Recording up to two DVB-C streams while watching one recording, which is probably still being recorded.
  

Hardware so far:

• RPI4B/2GB, SD-Card
  
• Hauppauge WinTV DualHD
  
• Ethernet-Connection (no wifi) to Synology NAS (DS216+ … DS920 coming soon) and wired connections to all other relevant devices
  
• AppleTV 4K 2021
  
• Samsung TV (4K)
  

I‘d prefer using the TvOS-App as way for watching recordings and would use web-if for searching/ programming.

I gave Kodi (LibreElec) with NextPVR (Docker ARM32) a short try, but recording and live streaming didn‘t work well at all. Needed reboot every day, many failed recordings. Main problem was probably handling of tuners.

As I don‘t need kodi as a player, I switched to native NextPVR on Raspberry Pi OS (fresh installI).
Tuners work stable now, but watching a recording which is sill beeing recorded was stuttering and failing several times.

So:

• Do I expect too much with RPi as platform?
  
• Should Kodi do the job better? Should I better continue working on that?
  
• Bottleneck with network reading / writing simultaneously?
  
• With TvOS-App I didn‘t get Dolby Digital 5.1 … is it by design of the app or a misconfiguration?
  

Thank you very much … I really love NextPVR and would like to avoid buying and testing again and again

Kind regards
Stefan