[mythtv-users] Adding HD-PVR in preparation for 0.22

Harry Devine lifter89 at comcast.net
Tue Nov 10 23:52:57 UTC 2009

Harry Devine wrote:
> OK, so I bought an HD-PVR and I want to make sure its working outside 
> of Myth before I upgrade to 0.22.  I'm currently running the following 
> on Mythbuntu 9.04 x86_64:
> hdevine at hdevine-desktop:/tmp$ mythbackend --version
> Please include all output in bug reports.
> MythTV Version   : 21768
> MythTV Branch    : branches/release-0-21-fixes
> Network Protocol : 40
> Library API      : 0.21.20080304-1
> Options compiled in:
> linux profile using_oss using_alsa using_pulse using_jack 
> using_backend using_dbox2 using_dvb using_firewire using_frontend 
> using_hdhomerun using_iptv using_ivtv using_joystick_menu 
> using_libfftw3 using_lirc using_opengl_vsync using_opengl_video 
> using_v4l using_x11 using_xrandr using_xv using_xvmc using_xvmcw 
> using_xvmc_vld using_glx_proc_addr_arb using_bindings_perl 
> using_bindings_python using_opengl using_ffmpeg_threads 
> using_libavc_5_3 using_live
> My Update Manager says that 9.10 is released and I wanted to get the 
> HD-PVR working before I upgrade.  I just hooked it up and tried to 
> capture from it (cat /dev/video0 > /tmp/test.mpg) and got the 
> following when I try to play back the file:
> Forced audio codec: mad
> Opening audio decoder: [libdv] Raw DV Audio Decoder
> Unknown/missing audio format -> no sound
> ADecoder init failed :(
> Opening audio decoder: [ffmpeg] FFmpeg/libavcodec audio decoders
> Cannot find codec 'dvaudio' in libavcodec...
> ADecoder init failed :(
> ADecoder init failed :(
> Cannot find codec for audio format 0x56444152.
> Read DOCS/HTML/en/codecs.html!
> Audio: no sound
> Video: no video
> Any ideas/gotchas that I need to look out for in order to verify its 
> working before I take the plunge?  I have the Component Out from my 
> Comcast cable box to the Component in on the HD-PVR.  That's all I've 
> hooked up.  I didn't do anything with the outputs on the HD-PVR as I 
> didn't think it was necessary..
> Thanks for any ideas.
> Harry
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Anyone?  Anyone at all?  I do notice that I only have 1 video device 
under /dev (/dev/video0), and that is the device for the analog portion 
of my pcHD5500 card.  So how can I see if this box is working?  Like I 
said above, I have the component (red/blue/green) cables from my Comcast 
Motorola box into the Input of the HD-PVR, and the HD-PVR is plugged 
into my Myth box via USB.

Any ideas?  Am I missing something very obvious?

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