On Sunday 18 September 2005 00:38, Leonard Orb wrote:
> I wrote:
> > I'll go back to older versions today - more info to come...
>
> There seems to be no exact break point were the problem shows up. Below is
> a list of ivtv versions and kernel versions. Status "few" means that there
> are some minor quality problems: locally disturbed pictures, just as if
> only a few bytes were missing or changed in the mpeg file. This happened
> with both versions 0.3.3z and 0.3.4z, and it was far less often compared
> to 0.3.5z and 0.3.8, where all recordings had drop outs, and some
> recordings had gaps of up to one second.
>
> These gaps are missing data, mplayer would not only skip forward within
> the video playback, but also the time index info from the status line
> steps forward when this happens.
>
> It seems to me that this problem was already present in 0.3.3z, but it
> became worse between 0.3.4z and 0.3.5z. And it seems not to have anything
> to do with the kernel version. All my kernels came from kernel.org and i
> did not apply any patches.
>
> ivtv vers kernel vers status comment
> ----------+-----------+------+-----------------------------------------
> 0.2.0-rc3f 2.4.31 ok months without any probs
> 0.2.0-rc3k 2.6.12.6 ok one week without any probs, several hours of
> recordings 100% ok
>
> 0.3.3z 2.6.11.12 few quick test, one hour recorded and checked
> 0.3.4z 2.6.11.12 few well tested, about 3 hours recorded and
> checked
>
> 0.3.5z 2.6.12.6 drops well tested, about 2 hours recorded and
> checked 0.3.8 2.6.11.12 drops quick test, one hour recorded and
> checked 0.3.8 2.6.12.6 drops well tested, about 10 hours recorded
> and checked
>
> I'll further go back to older 0.3.x versions...
Thank you very much for taking the time doing this. Based on this info I'm
comparing 0.3.4z and 0.3.5z to see if anything looks suspicious. BTW, can you
post the ivtv START-END messages in the dmesg output? Also, if you have
particularly good examples of drops and/or locally disturbed pictures then
put them aside if possible. I might want to look at them later.
Hans
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