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 Post subject: No video or sound
PostPosted: Sun Dec 17, 2006 1:53 pm 
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Joined: Sun Dec 17, 2006 12:40 pm
Posts: 3
I am trying to configure KnoppMyth R5D1 on this new hardware and I am not having any luck getting video or sound. I am not sure what to look for. Thanks for your help

venky

TV tuner: PVR150.

2006-12-17 13:27:45.183 TV: Attempting to change from None to WatchingLiveTV
2006-12-17 13:27:45.196 Using protocol version 26
2006-12-17 13:27:45.397 RingBuf(/myth/tv/1002_20061217132745.nuv): Invalid file (fd 19) when opening '/myth/tv/1002_20061217132745.nuv'. 12 retries remaining.
2006-12-17 13:28:05.908 TV Error: StartRecorder() -- timed out waiting for recorder to start
2006-12-17 13:28:05.909 TV Error: LiveTV not successfully started
2006-12-17 13:28:05.923 TV: Deleting TV Chain in destructor
2006-12-17 13:32:16.664 TV: Attempting to change from None to WatchingLiveTV
2006-12-17 13:32:16.671 Using protocol version 26
2006-12-17 13:32:16.864 RingBuf(/myth/tv/1002_20061217133216.nuv): Invalid file (fd 19) when opening '/myth/tv/1002_20061217133216.nuv'. 12 retries remaining.
2006-12-17 13:32:37.376 TV Error: StartRecorder() -- timed out waiting for recorder to start
2006-12-17 13:32:37.378 TV Error: LiveTV not successfully started
2006-12-17 13:32:37.386 TV: Deleting TV Chain in destructor
Destroying SipFsm object

ivtv: ==================== START INIT IVTV ====================
ivtv: version 0.7.0 (tagged release) loading
ivtv: Linux version: 2.6.17-chw-8 SMP preempt mod_unload 586 gcc-3.4
ivtv: In case of problems please include the debug info between
ivtv: the START INIT IVTV and END INIT IVTV lines, along with
ivtv: any module options, when mailing the ivtv-users mailinglist.
ivtv0: Autodetected Hauppauge WinTV PVR-150 card (cx23416 based)
ACPI: PCI Interrupt 0000:02:04.0[A] -> GSI 16 (level, low) -> IRQ 20
tuner 0-0061: chip found @ 0xc2 (ivtv i2c driver #0)
tda9887 0-0043: chip found @ 0x86 (ivtv i2c driver #0)
cx25840 0-0044: cx25843-23 found @ 0x88 (ivtv i2c driver #0)
cx25840 0-0044: loaded v4l-cx25840.fw firmware (16382 bytes)
wm8775 0-001b: chip found @ 0x36 (ivtv i2c driver #0)
tveeprom 0-0050: Hauppauge model 26552, rev C268, serial# 8330741
tveeprom 0-0050: tuner model is LG TAPE H001F MK3 (idx 68, type 47)
tveeprom 0-0050: TV standards NTSC(M) (eeprom 0x08)
tveeprom 0-0050: audio processor is CX25843 (idx 37)
tveeprom 0-0050: decoder processor is CX25843 (idx 30)
tveeprom 0-0050: has radio, has no IR remote
ivtv0: loaded v4l-cx2341x-enc.fw firmware (262144 bytes)
ivtv0: Encoder revision: 0x02050032
ivtv0: Allocate DMA encoder MPEG stream: 128 x 32768 buffers (4096KB total)
ivtv0: Allocate DMA encoder YUV stream: 194 x 10800 buffers (2048KB total)
ivtv0: Allocate DMA encoder VBI stream: 120 x 17472 buffers (2048KB total)
ivtv0: Allocate DMA encoder PCM audio stream: 455 x 4608 buffers (2048KB total)
ivtv0: Create encoder radio stream
tuner 0-0061: type set to 47 (LG NTSC (TAPE series))
ivtv0: Initialized Hauppauge WinTV PVR-150, card #0
ivtv: ==================== END INIT IVTV ====================


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 Post subject:
PostPosted: Sun Dec 17, 2006 2:07 pm 
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Joined: Thu Mar 25, 2004 11:00 am
Posts: 9551
Location: Arlington, MA
Well, you're off to a good start having provided the right log extracts. The IVTV setup all looks healthy, so I'd have to geuss that you've got some kind of setup issue. Go through the checklist on this troubleshooting page, paying particular attention to conofigurations settings like "wrong frequency set" and such. http://www.knoppmythwiki.org/index.php?page=BlackScreenWatchingTV

OBTW - It probably wouldn't hurt to upgrade to the latest ivtv driver for that kernel which would be 0.7.3, the CompileIvtv instructions on the wiki may look complicated, but they're actually just a matter of singing along by following the bouncing ball. For R5D1 it should take all of about 5 minutes. http://www.knoppmythwiki.org/index.php?page=CompileIvtv


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 Post subject:
PostPosted: Sun Dec 17, 2006 3:03 pm 
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Joined: Sun Dec 17, 2006 12:40 pm
Posts: 3
Thanks for your reply. I upgraded ivtv to 0.7.3 but still don't see anything.

I think ivtv is working. I can do 'cat /dev/video0 > /tmp/1.mpg' and play the file well with mplayer.

In the logfile /var/log/mythtv/mythtvbackend.log, I see the following
2006-12-17 14:57:55.097 adding: mediabox as a client (events: 1)
2006-12-17 14:58:22.431 Reschedule requested for id 5.
2006-12-17 14:58:22.488 Scheduled 1 items in 0.1 = 0.04 match + 0.02 place
2006-12-17 14:58:22.861 TVRec(1): Changing from None to RecordingOnly
2006-12-17 14:58:22.960 Unknown video codec
2006-12-17 14:58:22.963 Please go into the TV Settings, Recording Profiles and
2006-12-17 14:58:22.965 setup the four 'Software Encoders' profiles.
2006-12-17 14:58:22.966 Assuming RTjpeg for now.
2006-12-17 14:58:22.967 NVR: Error, unknown audio codec
2006-12-17 14:58:22.990 Started recording: CBS News Sunday Morning: channel 1002 on cardi
d 1, sourceid 1
2006-12-17 14:58:22.996 NVR: Won't work with the streaming interface, falling back
VIDIOCGMBUF:: Invalid argument
2006-12-17 14:58:53.278 Reschedule requested for id 6.

Where is this 'TV Settings' option?

Thanks a lot


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 Post subject:
PostPosted: Sun Dec 17, 2006 7:22 pm 
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Joined: Thu Mar 25, 2004 11:00 am
Posts: 9551
Location: Arlington, MA
I think it's refering to the mythtv-setup utility I was suggesting that you rerun. You did pick MPEG-2 for the card type right? In any case go back through that. Under 1. General make sure that you got the right transmission format (for North America - NTSC-M) and the appropriate Frequency Set (about the 3rd page in) you may need to try the various options. Under 2. Capture Cards you need to tell it that /dev/vide0 is an MPEG-2 Encoder. Under 3. Video Source you need to set up your channel lineups (in N.A. this is zap2it, and you need to create an account there first) Under 4. Input Connections you need to associate your channel lineup from 3 with your capture card input from 2.


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 Post subject:
PostPosted: Sun Dec 17, 2006 10:03 pm 
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Joined: Sun Dec 17, 2006 12:40 pm
Posts: 3
Thanks a lot for your help. I got it working!!!

I had set the tuner card to V4L device rather than the PVR-X50 option. It started working flawlessly after this!

Thanks again


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