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| pvr 350 sound drops out after two or three recordings http://forums.linhes.org/viewtopic.php?f=1&t=409 |
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| Author: | rachengold [ Mon Jan 05, 2004 4:04 am ] |
| Post subject: | pvr 350 sound drops out after two or three recordings |
First of all I want to thank everyone involved for providing KnoppMyth, it finally brought me close to a perfectly working pvr after some unsuccessful tries with other distributions! After reading lots of news and googling around one weird problem with the sound during capturing is left. Prerequisites: - Asus Pundit with PVR350 - KnoppMyth R4 with MythTV .13 from the debs and the latest ivtv CVS tarball (however, the problem also occurred with .12 and an older ivtv version) - deleted the xawtv-call in Knoppmyth-run so the muted sound (test_ioctrl -y mute=0) is no more a problem - switching channels in LiveTV works fine, with sound Ok, now here comes the problem: After a number of perfect recordings (usually 2-3) with sound the next recording has no sound at all. I have the feeling that this especially happens when recoding the second of two back-to-back broadcasts in the same channel. When I delete the recording and go to LiveTV there is also no sound. test_ioctl -a shows mute=0 so that's not the problem. /var/log/messages and /var/log/mythtv/mythbackend.log show nothing unusual. After restarting the mythbackend during a no-sound-recording (/etc/init.d/mythtv-backend restart) the current recording is restarted too and sound is back. I have no more ideas how to fix that and google neither has. Cheers, rachengold |
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| Author: | cesman [ Mon Jan 05, 2004 9:32 am ] |
| Post subject: | |
Tough one....But it sound like it maybe related to ivtv. Have you tried the ivtv archive? |
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| Author: | Xsecrets [ Mon Jan 05, 2004 1:25 pm ] |
| Post subject: | |
that is odd. I had this happen one time during the couple months I've been using knoppmyth, but I just thought it was a fluke, because I record about 30 hours a week and it only happend once. |
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| Author: | rachengold [ Tue Jan 06, 2004 1:45 pm ] |
| Post subject: | |
@cesman right, it was a good hint to focus me on the ivtv driver. I found out that the msp3400 kernel-module shall be called with parameters as described in the MythTV-howto and in http://ivtv.writeme.ch/tiki-view_faq.php?faqId=1#q30 which is not done in KnoppMyth R4. I added a file msp3400 in the /etc/modutils directory which contains one line: options msp3400 once=1 simple=1 standard=0x03 (for germany) and ran update-modules to transfer changes in modules.conf. Now everything seems to be fine. Implementing the parameters in R5 might be a good idea? cheers rachengold |
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