>On 2012-06-09 10:31:36 -0400, sitten74490@xxxxxxxxxxx wrote: >> > >> >On Thu, Jun 7, 2012 at 7:53 PM, <sitten74490@xxxxxxxxxxx> wrote: >> >> Apparently there is a known issue where the HD-PVR cannot handle the loss >> >> of audio signal over SPDIF while recording. If this happens, the unit >> >> locks up requiring it to be power cycled before it can be used again. This >> >> behavior can easily be reproduced by pulling the SPDIF cable during >> >> recording. My question is this: are there any changes that could be made >> >> to the hdpvr driver that would make it more tolerant of brief audio >> >> dropouts? >> > >> >Does it do this under Windows? If it does, then call Hauppauge and get them >> >to fix it (and if that results in a firmware fix, then it will help Linux >> >too). If it works under Windows, then we know it's some sort of driver >> >issue which would be needed. >> > >> >It's always good when it's readily reproducible. :-) >> > >> >> Well, I tested it in Windows and no, the HD-PVR does not lock up when the >> audio signal is lost. It does pause, but when the signal comes back it >> resumes playing normally. So if I understand you correctly, this would most >> likely be a Linux driver bug rather than a firmware problem. > >Yes, it's a driver bug (although iirc the device locked up when I wrote >the driver). If you have usb traffic logs from the windows driver I'll >look at them. If not I'll try to set my hdpvr up in the next days. > >Janne Here's a link to a USB traffic capture I made with USBlyzer (http://www.usblyzer.com/): https://dl.dropbox.com/u/5664816/hdpvr.ulz I disconnected the SPDIF cable several seconds into the capture and then reconnected several seconds later. If you need the capture in a different format, please let me know. Thanks for your help. Jonathan -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
