Hmmm... I did some more digging.  Here's what I've found (below):
 
Looks like I do have ivtvdev running(?) Any thoughts?
 
Paul
 
/var/log/XFree86.0.log:
(II) Loading /usr/X11R6/lib/modules/drivers/ivtvdev_drv.o
(II) Module fbdev: vendor="The XFree86 Project"
        compiled for 4.3.0, module version = 0.1.0
        ABI class: XFree86 Video Driver, version 0.6
<snip>
(II) IVTVDEV: driver for framebuffer: fbdev
(II) Primary Device is: PCI 01:00:0
(II) IVTVDEV(0): using /dev/fb1
(II) Running in FRAMEBUFFER Mode
(**) IVTVDEV(0): Depth 24, (**) framebuffer bpp 32
(==) IVTVDEV(0): RGB weight 888
(==) IVTVDEV(0): Default visual is TrueColor
(==) IVTVDEV(0): Using gamma correction (1.0, 1.0, 1.0)
(II) IVTVDEV(0): Hardware: iTVC15 TV out (vidmem: 2025k)
(**) IVTVDEV(0): Option "fbdev" "/dev/fb1"
(II) IVTVDEV(0): Checking Modes against framebuffer device...
(II) IVTVDEV(0):        mode "720x480" ok
(II) IVTVDEV(0): Checking Modes against monitor...
(--) IVTVDEV(0): Virtual size is 720x480 (pitch 720)
(**) IVTVDEV(0):  Mode "720x480": 34.6 MHz (scaled from 0.0 MHz), 37.2 kHz, 73.9 Hz
(II) IVTVDEV(0): Modeline "720x480"   34.56  720 752 840 928  480 484 488 504 -hsync -vsync
(==) IVTVDEV(0): DPI set to (75, 75)
(II) Loading sub module "fb"
(II) LoadModule: "fb"
(II) Loading /usr/X11R6/lib/modules/libfb.a
(II) Module fb: vendor="The XFree86 Project"
        compiled for 4.3.0.1, module version = 1.0.0
        ABI class: XFree86 ANSI C Emulation, version 0.2
(**) IVTVDEV(0): Using "Shadow Framebuffer"
<snip>
(EE) IVTVDEV(0): FBIOBLANK: Invalid argument
(EE) IVTVDEV(0): FBIOPAN_DISPLAY: Invalid argument
(==) IVTVDEV(0): Backing store disabled
(==) RandR enabled
(II) Initializing built-in extension MIT-SHM
(II) Initializing built-in extension XInputExtension
(II) Initializing built-in extension XTEST
(II) Initializing built-in extension XKEYBOARD
(II) Initializing built-in extension LBX
(II) Initializing built-in extension XC-APPGROUP
(II) Initializing built-in extension SECURITY
(II) Initializing built-in extension XINERAMA
(II) Initializing built-in extension XFree86-Bigfont
(II) Initializing built-in extension RENDER
(II) Initializing built-in extension RANDR
<snip>
(EE) IVTVDEV(0): FBIOBLANK: Invalid argument
(EE) IVTVDEV(0): FBIOBLANK: Invalid argument
(EE) IVTVDEV(0): FBIOBLANK: Invalid argument
<snip>
 
 
-----------------
 
----- Original Message -----
Sent: Tuesday, November 15, 2005 8:32 AM
Subject: Re: [mythtv-users] imported nuv choppy and no audio

Paul Fielding wrote:

> From what I can tell I'm running ivtv 2.6.13.2-chw-3 .   Is this not
> recent enough?

It's not a kernel module you need.  It's an X driver.

>   (I'm running Knoppmyth).  Or am I missing something I need to set. 
> As I mentioned before, straight recording and playback without any
> transcoding, through the 350, gives perfect results.  It's the
> playback of transcoded material brought over from another box that
> giving me a hard time.... *shrug*

http://www.gossamer-threads.com/lists/mythtv/

Search for:
    PVR-350
    Xv
    John Harvey
    X driver

in whatever combinations and you'll find plenty of info...

Mike
  


> Paul
>
>     ----- Original Message -----
>     *From:* Michael T. Dean <mailto:[EMAIL PROTECTED]>
>     *To:* Discussion about mythtv <mailto:[email protected]>
>     *Sent:* Monday, November 14, 2005 11:25 PM
>     *Subject:* Re: [mythtv-users] imported nuv choppy and no audio
>
>     On 11/15/05 00:39, Paul Fielding wrote:
>
>     > Further to my last message, I'm starting to suspect that the
>     problem
>     > may be in formats and horsepower.   The new box that I'm
>     importing to
>     > is a HushPC SP13000 MB.   Could it be that the transcoded nuv files
>     > I'm importing are, since they've been transcoded, in a format
>     that the
>     > PVR 350 cannot use hardware playback for?   I've fixed the audio
>     now
>     > (I had a mixer setting set bad).  This tells me that the PVR
>     card is
>     > not doing the decoding (?)
>
>     Install John Harvey's ivtvdev X driver for the PVR-350.
>
>     Mike
>
>     >
>     > The possible downside to this is that I'm suspecting that the
>     SP13000
>     > is not powerful enough to munge out the video if it doesn't have
>     > hardware decoding to work with.   Could that really be the case?  I
>     > was under the impression that a ~1Ghz box should be able to do
>     regular
>     > playback without much difficulty.... *shrug*....
>     >
>     > paul
>     >
>     >
>     >     ----- Original Message -----
>     >     *From:* Paul Fielding <mailto:[EMAIL PROTECTED]>
>     >     *To:* Discussion about mythtv <mailto:[email protected]>
>     >     *Sent:* Monday, November 14, 2005 10:11 PM
>     >     *Subject:* [mythtv-users] imported nuv choppy and no audio
>     >
>     >     So after setting up a new mythtv box, I wanted to import a bunch
>     >     of recordings from another box.  I used nuvexport to export the
>     >     nuv files with sql database entries, copied them to the new
>     >     mythtv, and ran (as root) mysql mythconverg <filename.sql>.
>     >    
>     >     The recordings appear in the database and I can play the files.
>     >     However, are *extremely* choppy and have no audio.
>     >    
>     >     The old mythtv box did have auto-transcoding set to reduce the
>     >     filesize of the recordings to roughly 1GB, while on the new
>     box I
>     >     haven't touched any transcoding settings yet.   I'm wondering if
>     >     this is having an effect, even though I'm not sure why.
>     >    
>     >     Any ideas?
>     >    
>     >     regards,
>     >    
>     >     Paul
>     >
>     >   
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