[mythtv-users] Occasional missing audio from recordings
Jelle Kalf
jelle at kalf.org
Wed Dec 3 10:45:20 EST 2003
Same problem here. I have to restart the ivtv module as well.
I've had it once running the ivtv driver for several hours before starting
up the backend drivers.. or not having plugged in my coaxial cable before
loading the driver.
Latest issue I had it with was sound going all b0rked when recording channel
Veronica from 20:30-22:15 and then Net5 from 22:15-22:45 ... I think it
didn't like to switch recordings/channels that fast with it's
recordingschedule? I had to reload the driver again.
Jelle.
_____
From: mythtv-users-bounces at mythtv.org
[mailto:mythtv-users-bounces at mythtv.org] On Behalf Of Tako Schotanus
Sent: woensdag 3 december 2003 16:21
To: Discussion about mythtv
Subject: Re: [mythtv-users] Occasional missing audio from recordings
jose rubio wrote:
On Tue, 2003-12-02 at 20:44, Doug Scoular wrote:
Hi All,
I have a Shuttle SB61G2 with a Hauppauge PVR-350 and
NVidia GeForce 4 440MX for TV-out. I'm using gentoo 1.4
with a 2.4.21 kernel and the latest IVTV drivers/firmware
and MythTV 0.12.
MythTV works wonderfully well on the above setup with
one remaining issue.
Occasionally I get no audio on a scheduled recording. This
has been the case on MythTV 0.11 and 0.12. Most of
the time the loss of audio on a scheduled recording causes
live TV to also lose audio, however this is not always the
case. Sometimes the loss of audio is limited to the
one scheduled recording, subsequent recordings being
fine and live tv unaffected.
If I lose audio on live tv I can fix it by killing mythbackend
and restarting it. This always fixes the problem... which indicates
that the IVTV driver has no problem re-initialising.
I had thought this might be due to some KDE app holding
open the dsp device but I've disabled all arts binaries
by making them non-executable. I've also tried running
under twm, but all to no avail. There's nothing in the
mythbackend logs to indicate a problem.
I haven't seen anyone else mention this problem on the
list so I'm stumped.
I do get about less than a second of white noise at
the start of playback on these "no audio" recordings.
Any ideas much appreciated...
Doug
It happens, although I've never seen it happen during live tv. I
believe it's an ivtv problem, just waiting for the newest driver to come
out and see if that fixes it.
-jose-
Restarting the backend doesn't do it for me, I have to do a "modprobe -r
ivtv/modprobe ivtv" before I get my sound back.
But I agree with jose that it is most likely an ivtv problem, they've been
very busy lately and there are several known problems with the current
version in CVS.
-Tako
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