[mythtv-users] HD programs on Comcast using HDHomeRun Prime?

[Stefan Jones]

----- Original Message -----
> From: "James R. Van Zandt" <jrvz at comcast.net>
> To: mythtv-users at mythtv.org
> Sent: Saturday, November 9, 2013 8:50:26 AM
> Subject: [mythtv-users] HD programs on Comcast using HDHomeRun Prime?
> I just got an HDHomeRun Prime. I got a Motorola M-Card from Comcast
> and
> got it authenticated and paired. The SiliconDust GUI can access HD
> programs. With Myth, I can access SD programs, but not HD - even for
> programs available OTA.
> For example, using the command line
> hdhomerun_config 131A48E8 scan 0 /tmp/thescan
> I find that physical channel qam256:92 carries four programs:
> SCANNING: 633000000 (us-irc:92, us-cable:92)
> LOCK: qam256 (ss=100 snq=100 seq=100)
> TSID: 0x846C
> PROGRAM 1 805 WCVB HD (encrypted)
> PROGRAM 2 807 WHDH HD (encrypted)
> PROGRAM 3 297 WHDH THIS.TV (encrypted)
> PROGRAM 4 292 WCVB ME.TV (encrypted)
> hdhomerun_config_gui shows the same four programs, listed this way:
> 1 805 WCVB HD (encrypted)
> 2 807 WHDH HD (encrypted)
> 3 297 WHDH THIS.TV (encrypted)
> 4 292 WCVB ME.TV (encrypted)
> In each case, the "view" button will show the program in a VLC window.
> The first two look like HD, the others SD.
> When I point my browser to the HDHRP at 192.168.1.104/linup.html, the
> "detect channels" button finds 333+ channels.
> The "Basic Channel" and "Subscribed Channels" lists are empty, but the
> "All
> Channels" list shows many channels, including:
> 802 WENH HD
> 803 WBPX HD
> 804 CBS4HD
> 805 WCVB HD
> 806 WFXT HD
> 807 WHDH HD
> 808 WLVI HD
> 809 WMUR HDTV
> 810 NECN HD
> It also shows MSNBC twice, at channels 40 and 901, and Al Jazeera
> America at 107. (For reference, the STB shows MSNBC at 40 but not 901,
> and Al Jazeera at 107 and 254.)
> For example, while viewing WHDH, following the link
> http://192.168.1.104/status.html?page=tuner0 shows:
> Virtual Channel 807 WHDH HD
> Frequency 633.000 MHz
> Program Number 2
> Authorization subscribed
> CCI Protection unrestricted
> CGMS Protection n/a
> Modulation Lock qam256
> PCR Lock locked
> Signal Strength 99% (-1.1 dBmV)
> Signal Quality 100% (37.6 dB)
> Symbol Quality 100%
> Streaming Rate 16.645 Mbps
> Resource Lock none
> In MythTV backend setup, when I used "Fetch channels from listing
> source" I got entries for no HD programs and only some of the SD
> programs (not, for example, MSNBC or Al Jazeera America). "Scan for
> channels" with a check for decryption took a long time, but found many
> more programs including the HD programs available OTA (but still not
> MSNBC or Al Jazeera America).
> mythfilldatabase runs, but mythfrontend shows no program information
> for
> the HD channels.
> I would like MythTV to show WHDH HD as channel 7, to match their
> OTA channel number. When I set that up using the channel editor,
> and tried to view WHDH HD using Live TV, mythfrontend displayed an
> error
> "Irrecoverable recorder error" and crashed. To recover, I used
> "killall
> mythfrontend.real".
> I also tried setting the channel number to 807 to match the HDhomerun
> Prime listings, but then Live TV only got as far as "Loading..."
> before
> crashing.
> When MythTV asks the HDHomeRun Prime to change channels, does it
> specify:
> 1) the QAM channel and program number? If so, why doesn't the channel
> editor display those parameters for each channel?
> 2) the Comcast channel number? If so, why doesn't the channel editor
> get pre-loaded with the channel number showed in the HDHR's scan?
> How should I set MythTV up to access the HD programs?
If done properly, the transport and program number details are hidden behind the scenes, and your schedule grid will only show the Comcast channel number. How do you get your schedule listings for Myth? If it is Schedules Direct, you need to go to their website and check your lineup. You may not have the HD channels selected. RE channel discrepencies, 40 is likely the SD version of MSNBC, 901 the HD program. 
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