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HDHR 0-byte file - Clean Win10 OS, Clean NextPVR install

HDHR 0-byte file - Clean Win10 OS, Clean NextPVR install
JavaWiz
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#1
2015-08-06, 04:35 AM
After having great success at upgrading from Win8.1 to Win10 with basically no problems with NextPVR, I decided to acquire a new SSD and do a clean install of Windows 10. I've been able to get the Analog tuner (HVR-2250 working with my XFinity STB), however am having problems with my Silicon Dust HD HomeRun Prime.

I have not done a clean install of OS and NextPVR in awhile, so I suspect I'm missing some step somewhere, but after troubleshooting and scanning wiki and forum have not discovered what is wrong...

Problem:
When tuned to a HDHR channel, NextPVR creates 0-byte files. This is true for LiveTV and Recordings. Experience is a blank screen with no video. However the file gets created in the LiveTV (or Recordings) directory.

Configuration steps:
  • Clean Install of Windows 10
  • Install of most current HDHR drivers and applications
  • Install of NextPVR (3.4.8)
  • Install of SoftPVR (HVR-2250 Drivers for Analog connection)
  • Install of IRBlaster software (from Win-TV install)
  • Install of K-Lite Codec Pack (i.e. LAV Decoder for mpg2 video)
  • Install of AC3 Codec (i.e. Audio decoder)
  • Setup of Analog device successful
  • Setup/Configure of Tuner0 of HDHR successful (253 channels identified)

I have not mapped to my SchedulesDirect listings yet, so TV guide is not populated with data, but channels for both HVR-2250 and HDHR show up.

Behavior:
  • Analog channels for LiveTV and Recordings work fine. Channel changes work
  • When tuning to HDHR channel, black screen, no video, no audio, no apparent errors in log files.
  • Check HDHR web interface, HDHR is tuning on channel with excellent signal strength, and changing channels when requested.

Triage:
  • Verified that Firewall was open for NDigitalHost, NextPVR and NRecord (Inbound rules)
  • Verified that HDHR is available and works on target system via HDHomeRun View Application
  • Reviewed log files to look for any errors
  • Attached logs show an example of HDHR problem and successful HVR-2250 for the same channel
    • First channel selection is HDHR - results in zero-byte file and blank video/audio
    • Second channel selection is 2250 - results in proper LiveTV

I don't believe this is just a codec problem, due to the 0-byte files for HDHR, but regular files when tuning thru the HVR-2250. I should also note, when I did the initial upgrade to Win10, with an exiting install of 3.4.8, all worked fine....

What am I missing????
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#2
2015-08-06, 06:01 AM
When you try to view live tv, does the HDHomeRun Config indicate it's streaming data at a valid sounding data rate?
JavaWiz
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#3
2015-08-06, 06:07 AM
Yes, locked on, good signal, streaming @ 2.6 mbps
BrettB
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#4
2015-08-06, 06:11 AM
Did you try temporarily turning of the firewall completely?
JavaWiz
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Jacksonville, FL. USA
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#5
2015-08-06, 06:27 AM
Yes, Firewall off, same result...
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#6
2015-08-06, 06:28 AM
If you create a c:\temp directory, and set HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\NPVR\RecordFullTS=1, do you get c:\temp\full.ts with valid data in it?
JavaWiz
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Jacksonville, FL. USA
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#7
2015-08-06, 06:32 AM (This post was last modified: 2015-08-06, 06:39 AM by JavaWiz.)
I'm running 32bit, should the key be:
HKEY_LOCAL_MACHINE\SOFTWARE\NPVR\RecordFullTS=1

If so, no, no files get created in C:\temp

Either way (I created the node Wow6432Node) and no files get created.
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#8
2015-08-06, 06:43 AM
You should get something. It was really down to whether the file is empty, or has real content.

Did you restart the recording service? Probably needed to.
JavaWiz
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Jacksonville, FL. USA
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#9
2015-08-06, 06:53 AM (This post was last modified: 2015-08-06, 06:59 AM by JavaWiz.)
Ok added key(s)
HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\NPVR\RecordFullTS=1
and
HKEY_LOCAL_MACHINE\SOFTWARE\NPVR\RecordFullTS=1

Restarted recording service

Attempted to watch Channel 3 again...

No file created in c:\temp

No obvious errors in the log files.


Midnight here. Have meeting @ 5:30am, hitting the sack, I'll pick up in the morning if you have any other suggestions...
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#10
2015-08-06, 07:23 AM
I wonder if it's something to do with the permissions of the c:\temp directory?
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