[mythtv-users] Odd response to forward
thomas at mashos.com
Mon Mar 24 00:36:55 UTC 2014
On Sun, Mar 23, 2014 at 5:05 PM, Dick Steffens <dick at dicksteffens.com> wrote:
> Last night we watched something I had recorded with my old ReplayTV before I
> had Myth running. I used the ReplayTV download function to transfer the .mp4
> (and several other .mp4 files) to my desktop machine. The, when Myth was
> running, I copied those files to the Myth machine, and moved them to
> /var/lib/mythtv/videos. Then I used the function (don't remember the name,
> or where it is) to have Myth discover those videos.
> The movie included some commercial breaks. When we got to them I used the
> jump ahead function (right arrow on the remote) a few times to get to the
> next part of the movie. The odd thing was that the first time I hit the
> right arrow, instead of jumping forward, it jumped back. Further
> applications of the right arrow did jump forward. That sequence was repeated
> for each commercial break. Otherwise, the movie played correctly.
> Any idea what was going on there? I haven't had that problem with any videos
> recorded by Myth, nor with the other imported videos that were recorded on
> my ReplayTV.
> Possibly unrelated: When we finished watching that movie I tried to delete
> it. Myth said it could not. This afternoon I was noodling around and noticed
> that I was the owner of that file. Once I changed the ownership of that file
> and the associated .png file to mythtv, Myth was able to delete the video. I
> went back and looked in /var/lib/mythtv/videos and, sure enough, the video
> file was gone, however the png file was still there.
> Also possibly unrelated, somehow the .mp4 file had an extra dot in front of
> the .mp4, so movie..mp4. I know that's no problem for Linux to deal with,
> but is that why Myth didn't delete the .png file, which has only one dot?
> Thanks in advance.
> Dick Steffens
> mythtv-users mailing list
> mythtv-users at mythtv.org
> MythTV Forums: https://forum.mythtv.org
Note: I've seen this before but never bothered to investigate it that
much. Below is just an educated guess as to what is happening.
Sounds like a time sync issue (IIRC, from a damaged or non-indexed
video). I'd bet that if you ran a stopwatch while watching it, they
wouldn't be in sync after a few minutes. Basically, you've watched 10
minutes of show, but the time bar reports you are at a different time
(for instance, the 8 minute mark). So when you were skipping forward,
you hit the 30 second skip button, mythtv says ok, he's at 8 minutes,
skip to 8:30. At that point, it skips to the actual 8 minute 30 second
mark of the video (the part you already watched). So it was always
skipping forward according to mythtv, it just didn't really know where
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