The solution for me was to set the ivtv options much later in the boot process, well after the ivtv module itself was loaded and after I initialized it with dd. On my Gentoo system I put the ivtvctl command in my /etc/conf.d/local.start file, and that makes CC work for both live TV and in recordings. However, the previously reported bug that makes CC stop after you jump forward in the recorded program seems to be there for me as well.

The end of my local.start file contains:
echo "Initializing MPEG decoder..."
/bin/dd if=/dev/video0 of=/dev/video16 bs=65k count=25
echo "Resetting VBI options..."
/usr/local/bin/ivtvctl -x 1 -w cc -b cc

This is run right at the end of the boot process, just before it switches to runlevel 5.

Daniel

[EMAIL PROTECTED] wrote:

I second that.  Could someone explain this stuff to us
mere mortals?  I've been trying for weeks to get this
working and I get nothing.

Daniel - how did you get passthrough working?  I still
can't even get that to work.

--- Daniel Segel <[EMAIL PROTECTED]> wrote:

I'm confused about how things work (or don't work)
on my MythTV system, and I have a few questions. Sorry if I have some of the terminology wrong - this is all new territory for me:

1. What does the wss option do? I can set it with
ivtvctl, but when I check the current setting it seems to not be set (see output below). Do I even need it for standard 4:3 NTSC broadcasts?

# ivtvctl -b wss ioctl IVTV_IOC_S_VBI_MODE ok
vbi service_set set to 00000008
# ivtvctl -B
ioctl IVTV_IOC_G_VBI_MODE ok
vbi service_set = 00000000

Is this a problem?

2. Is 'passthrough mode' only useful if I'm watching
live TV and want to use the TVs built-in CC decoder? If I'm watching a recording in MythTV, does 'passthrough mode' even matter? Which decoder should I use for a recording (TV or MythTV)? Or does that depend on whether I'm using the PVR-350 decoder for video or the built-in MythTV
drivers?

I can only get CC working with live TV using the TVs
own decoder. With recordings it's scrambled and unusable via the TVs decoder, and I never get anything at all via MythTVs CC support..

I'm using ivtv 0.3.7 and MythTV 0.18.1-r2.

Thanks for any light anybody can shed on this.

Daniel



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