[mythtv-users] configuring HDHomerun channels

[Greg Woods]

On Wed, 2006-10-18 at 18:04 -0700, Jim Westfall wrote:

> When I did a scan for comcast here in seattle on the hdhr only about 1/3 
> of the channels mythtv-setup detected worked.  The 2/3's that didnt work 
> were either audio only, opencable (need to svn up

I have just gone to 11597, which has the opencable patch in it.

> I ended up going through one by one 
> testing.
> 
> There is a channel editor in livetv, press 'e', change the callsign, then 
> press ctrl-p and mythtv should fill in the rest.

Thanks for the tip; that worked as far as I got.

My problem, which I cannot seem to get past, is that frequently it gets
into a state where any attempt to access an HDHomerun channel, including
at least one channel that I watched for 20 minutes already so I know
it's good, gets a blue screen with "An error occurred while displaying
video". It seems to be semi-random. Once it gets into this mode, the
error occurs any time I try to access an HDHR channel. Even restarting
the frontend and/or backend has no effect. But if I come back half an
hour later, it may work again. So it sort of works, but it's not really
reliable enough to use.

The frontend log shows:

2006-10-19 17:40:20.620 TV: Changing from None to WatchingLiveTV
2006-10-19 17:40:20.720 Video timing method: USleep with busy wait
2006-10-19 17:40:23.196 NVP: Prebuffer wait timed out 10 times.
2006-10-19 17:40:25.328 NVP: Prebuffer wait timed out 10 times.
2006-10-19 17:40:26.284 RingBuf(/video/1943_20061019174020.mpg): Timing
out wait
 due to impending livetv switch.
Tuning to 'MPEG Program 1' pnum: 0x1 without CRC check on PMT
mpegts_read_header: could not find any PMT's
2006-10-19 17:40:26.348 AFD Error: avformat err(-1) on
av_open_input_file call.
2006-10-19 17:40:26.348 Couldn't open decoder
for: /video/1943_20061019174020.mp
g
2006-10-19 17:40:26.348 NVP, Error: JumpToProgram failed.
2006-10-19 17:40:26.352 TV: Attempting to change from WatchingLiveTV to
None
2006-10-19 17:40:26.358 NVP, Error: Unknown error, exiting decoder
2006-10-19 17:40:27.649 TV: Changing from WatchingLiveTV to None

The backend log shows:

2006-10-19 17:40:18.884 TVRec(5): Changing from None to WatchingLiveTV
2006-10-19 17:40:18.901 TVRec(5): HW Tuner: 5->5
2006-10-19 17:40:20.840 Finished recording Unknown: channel 1943
2006-10-19 17:40:20.942 Finished recording Unknown: channel 1943
2006-10-19 17:40:20.962 Preview Error: Previewer file
'/video/1943_2006101917401
8.mpg' is not valid.
2006-10-19 17:40:21.448 AutoExpire: ERROR when trying to autoexpire
file: /video
/1945_20061012180352.mpg. File doesn't exist.  Database metadata will
not be rem
oved.
2006-10-19 17:40:21.454 AutoExpire: ERROR when trying to autoexpire
file: /video
/1945_20061012180516.mpg. File doesn't exist.  Database metadata will
not be rem
oved.
2006-10-19 17:40:25.921 Finished recording Unknown: channel 1943
2006-10-19 17:40:26.355 TVRec(5): Changing from WatchingLiveTV to None
2006-10-19 17:40:26.461 Finished recording NBC Nightly News With Brian
Williams:
 channel 1911
2006-10-19 17:40:26.496 Finished recording NBC Nightly News With Brian
Williams:
 channel 1911
Tuning to 'MPEG Program 1' pnum: 0x1 without CRC check on PMT
0: start_time: 6354.684 duration: 0.441
1: start_time: 6354.638 duration: 0.426
2: start_time: 6354.638 duration: 0.487
stream: start_time: 70607.087 duration: 5.414 bitrate=2783 kb/s
2006-10-19 17:40:31.177 AFD: Opened codec 0x9bf6b00, id(MPEG2VIDEO)
type(Video)
2006-10-19 17:40:31.178 AFD: Opened codec 0x9b81960, id(AC3) type(Audio)
2006-10-19 17:40:31.179 AFD: Opened codec 0x9b81cd0, id(AC3) type(Audio)
[mpeg2video @ 0x7d1fc4]00 motion_type at 4 11
[mpeg2video @ 0x7d1fc4]00 motion_type at 2 12
[mpeg2video @ 0x7d1fc4]slice mismatch
[mpeg2video @ 0x7d1fc4]invalid mb type in P Frame at 5 14
[mpeg2video @ 0x7d1fc4]ac-tex damaged at 5 16
[mpeg2video @ 0x7d1fc4]mb incr damaged
[mpeg2video @ 0x7d1fc4]ac-tex damaged at 19 17
[mpeg2video @ 0x7d1fc4]ac-tex damaged at 1 18
[mpeg2video @ 0x7d1fc4]ac-tex damaged at 5 19
[mpeg2video @ 0x7d1fc4]ac-tex damaged at 2 20
[mpeg2video @ 0x7d1fc4]ac-tex damaged at 1 21
[mpeg2video @ 0x7d1fc4]invalid cbp at 1 22
[mpeg2video @ 0x7d1fc4]mb incr damaged
[mpeg2video @ 0x7d1fc4]ac-tex damaged at 0 24
[mpeg2video @ 0x7d1fc4]ac-tex damaged at 1 25
[mpeg2video @ 0x7d1fc4]00 motion_type at 1 26
[mpeg2video @ 0x7d1fc4]ac-tex damaged at 0 27
[mpeg2video @ 0x7d1fc4]ac-tex damaged at 0 28
[mpeg2video @ 0x7d1fc4]00 motion_type at 8 29


At this point I don't know if there are still bugs in the code, or
whether there is something wrong with my configuration.

--Greg