Tvheadend

If yes an option to filter by tags would be nice and also an epg-overview.

What is needed to play the channels directly in browser?
If I try to start a channel in Google Chrome I get only a "An unknown error occurred"

In syslog I get only

Dec 28 15:59:45 rpi tvheadend[10315]: webui: failed to open src/webui/static/docresources/tvheadendlogo.png
Dec 28 15:59:45 rpi tvheadend[10315]: http: 192.168.1.100: HTTP/1.1 GET /static/docresources/tvheadendlogo.png -- 500
Dec 28 15:59:47 rpi tvheadend[10315]: mpegts: 11361.75H in Astra - tuning on Montage M88DS3103 : DVB-S #0
Dec 28 15:59:47 rpi tvheadend[10315]: subscription: 0426: "epggrab" unsubscribing
Dec 28 15:59:47 rpi tvheadend[10315]: subscription: 0428: "HTTP" subscribing on channel "ZDF HD", weight: 100, adapter: "Montage M88DS3103 : DVB-S #0", network: "Astra", mux: "11361.75H", provider: "ZDFvision", service: "ZDF HD", profile="pass", hostname="192.168.1.100", username="admin", client="Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/47.0.2526.106 Safari/537.36"
Dec 28 15:59:48 rpi tvheadend[10315]: subscription: 0428: "HTTP" unsubscribing from "ZDF HD", hostname="192.168.1.100", username="admin", client="Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/47.0.2526.106 Safari/537.36"
Dec 28 15:59:49 rpi tvheadend[10315]: mpegts: 11626.5V in Astra - tuning on Montage M88DS3103 : DVB-S #0
Dec 28 15:59:49 rpi tvheadend[10315]: subscription: 042A: "epggrab" subscribing to mux "11626.5V", weight: 4, adapter: "Montage M88DS3103 : DVB-S #0", network: "Astra", service: "Raw PID Subscription"