Mailing List Archive: MythTV: Users

Re:MythWeb (fine, now I want my MythReplay!)

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dudley at jdatkinson

Jun 24, 2004, 8:29 PM

Post #1 of 3 (1336 views)
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Re:MythWeb (fine, now I want my MythReplay!)

You were right, Chris....

I looked into the basic PHP permissions and found the URL file-access
problem that cleared up the status page in MythWeb. In the meantime, I
goofed up a number of things with the hostname and learned too much about
the MythTV dataabase!

Now my biggest hurdle is replay in MythTV. I can record fine, play TV
fine, and replay to the X-display on my TV fine using the TV-out portion of
my video card.

But on my PVR-350, replay in MythTV just won't work when the output is to
the /dev/video16 port. I've tried all combo's I can think of for my
X-display being on the TV-out, on the 350, via xdmcp only, you name it, and
when I try to replay what MythTV happily recorded and play it out on
/dev/video16 to see it in it's full decoded glory it fails.

What happens in all cases is that the video and sound fire up fine and run
clean for about 5 seconds, and then the video stops and the audio goes into
a buzz/click/repeat.

The common element in all this is the ivtv system. The weird thing is
that I can record a video with "cat /dev/video0 > file" and then play it
back with "cat file >> /dev/video16" and it will play a long, long file with
no problem. I can also do the "dd" command and write straight from
/dev/video0 to /dev/video16 with sparkling results.

So it seems that ivtv isn't flawed, since the basics work great. But I
need a fresh idea as to why MythTV replay to /dev/video16 locks up?

Any suggestions?

JD

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Kevin.Barsby at Sun

Jun 24, 2004, 8:50 PM

Post #2 of 3 (1245 views)
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Re: Re:MythWeb (fine, now I want my MythReplay!) [In reply to]

> What happens in all cases is that the video and sound fire up fine and run
> clean for about 5 seconds, and then the video stops and the audio goes into
> a buzz/click/repeat.

I don't know if this is related, but I couldn't get the ivtvfb driver
and the X drivers for my mb gfx (EPIA M) to play nicely together.

It was always a case of one OR the other.

HTH
Kev

dudley at jdatkinson

Jun 24, 2004, 9:18 PM

Post #3 of 3 (1241 views)
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Re:MythWeb (fine, now I want my MythReplay!) [In reply to]

I have an MSI K7N2GM-L motherboard with an nVidia nforce2 chipset. The
ivtv_fb loads and works great and gives good picture via the PVR-350 output,
so long as you want to look at the X-display. As soon as you try to send
the video to the /dev/video16 device to get the benefit of the native
decoder, that is when the video halts after about 5 seconds (first 5 seconds
fine).

I'm thinking it might be some combination of output buffers, LAME, ??? It
isn't related to the native TV-out of the nvidia (yanked that to see) or the
PVR-350/ivtv_fb combination (yanked that too). Even when I have no local
X-display on the box, and export a display to a remote PC, I still get the
video-out problem when I use the /dev/video16 driver with MythTV.

I'm stuck on the next step, thats for sure.

JD

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