[mythtv-users] Fuzzy sound, other recording issues.

[Pete Cap]

Robin Gilks <g8ecj at gilks.org> wrote: 
> Robin Gilks  wrote:
> Check out the ivtv list for the fuzzy audio problem.
> http://www.gossamer-threads.com/lists/ivtv/devel/32103
>
> resolution problems? dunno!
>
> --
> Robin Gilks
>
> Robin,
>
> Thanks for the quick reply--
> The resolution problems are fixed (just needed to poke around in mythtv
> setup).  As for the fuzzy audio problems, I haven't got a clue how to
> apply the patch posted in that thread...as usual if you just want to point
> me at the right docs, I'd be happy to just read up on it...

The latest patch is much simpler (as below).
--- ivtv-streams.c 2006-09-25 10:34:59.000000000 +0200
+++ i.c 2006-09-25 10:37:12.000000000 +0200
@@ -787,7 +787,7 @@

         /* Disable digitizer */
         IVTV_DEBUG_INFO("Disabling digitizer\n");
- itv->card->video_dec_func(itv, VIDIOC_STREAMOFF, &dummy);
+// itv->card->video_dec_func(itv, VIDIOC_STREAMOFF, &dummy);

         /* initialize or refresh input */
         if (atomic_read(&itv->capturing) == 0)
@@ -797,7 +797,7 @@

         /* enable digitizer (saa7115) */
         IVTV_DEBUG_INFO("Enabling digitizer\n");
- itv->card->video_dec_func(itv, VIDIOC_STREAMON, &dummy);
+// itv->card->video_dec_func(itv, VIDIOC_STREAMON, &dummy);

  return 0;
 }

What this is doing is just commenting out 2 lines in the ivtv-streams.c
file. Rather than learning how to use the 'patch' program, just download
the ivtv source, unpack according to the howto instructions at
     http://ivtvdriver.org/index.php/Howto
and use your favourite editor to put the '//' in front of the line lines.
Then continue with the installation according to the ivtv howto.

Note that to do this from source requires the kernel headers or -dev
package (I'm using Gentoo so everything comes in source form!!)

-- 
Robin Gilks



Robin,

No joy.

I commented out the required lines in vi.
When I attempted to make, I got the following error:

ivtv-0.4.x does NOT support kernels > 2.6.15!
See www.ivtvdriver.org for more information.
make: *** [version_check] Error 1

According to uname, I am running the 2.6.9-42.0.2.EL kernel (this is CentOS 4).  I'm not sure what the version numbers mean--is "2.6.9" really greater than "2.6.15?"  Is that a fifteen?

In any case, according to yum, I already have installed the correct ivtv drivers (while following the guide at http://wilsonet.com/mythtv/fcmyth.php):

ivtv                    i386       1:0.4.7-110.el4.at  installed         471 k
ivtv-devel              i386       1:0.4.7-110.el4.at  installed          15 k
ivtv-firmware           noarch     2:1.8a-10.at     installed         640 k
ivtv-kmdl-2.6.9-42.0.2.EL  i686       1:0.4.7-110.el4.at  installed         436 k
ivtv-kmdl-2.6.9-42.0.2.ELhugemem  i686       1:0.4.7-110.el4.at  installed         459 k
ivtv-kmdl-2.6.9-42.0.2.ELsmp  i686       1:0.4.7-110.el4.at  installed         461 k

It rather looks to me as if ivtv-0.4.7 is already installed and running.

I'm really not knowledgeable to know where the problem is, but based on this it seems it's probably something very small...ideas?

Thanks,
Pete

 		
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