Skip / fast forward not working - random intervals and direction

[WKleeven]

First of all. Digital: the same.

Further, some really strange things happening now. I had tvlistings plugin enabled. When entering the recordings menu (of the plugin) I got the tvguide menu (or the other way round?).
Disabled the plugin.
Some videos, not sure analog or digital or what have some strange timestamps when skipping 1 minute (time on the left time 03:25:26 when time on the right is 00:07:36). And the strangest thing is that on that video, the skip is fast (I don't have to wait 6,5s), but it skips to 03:32:47) and then it's probably the end of the recording so it exits.
I'll post the logs of this 1 minute skip.

To be clear: the other videos don't have this. They take 6,5s to skip and then skip like they should.

Whilst trying to make a good log, I was getting a green bar on the bottom of the screen, only on this (new) recording. Stopping and trying over caused a crash. Posting that log first.

[sub]

If you see the correct timeline after 1 second or so, then NextPVR is already delivering data from the correct part of the file, but you dont see the correct video for a another five seconds or so, then it sounds to me like mvpmc isnt throwing away its already cached data when skipping. Hard to know for sure.

[WKleeven]

Now a new analog recording. Timeline correct, taking 6,5s to actually skip. Logs attached.

Please tell me what I am to do now, try something different and post logs or maybe wait till Martin takes a look.
I am in a different timezone (time to go to bed here), but I really want to get this sorted out. So I will stay up if I can help posting.

[sub]

To behonest, I'm not really sure what to suggest. Martin might be able off some insights on my last post though, which might give us some next steps to investigate.

[WKleeven]

Now a digital recording of about 00:02:40.
After a few seconds I skip. No matter if I skip 1 minute or 2, it skips right away (no 6,5s delay), but skips in both cases right to the end of the recording.
Timestamp is changing when skipping from 02:59:30 -> 03:02:03.

This is very confusing.....

[WKleeven]

Well, actually maybe not so confusing:

-analog recording skips correct after 6,5s and has a correct timeline
-digital recording skip right to the end right away and has a wrong timeline

Maybe this shows where the problem is?

[mvallevand]

To behonest, I'm not really sure what to suggest. Martin might be able off some insights on my last post though, which might give us some next steps to investigate.

I was really hoping not to have to dig out my MVP., but I may have to.

What I suspect is the seek is actionned by NPVR when requested.

2011-10-01 23:59:38.788 [DEBUG][7] about to read 200000 from location 5200000 (current length = 76426700)
...
2011-10-01 23:59:39.068 [DEBUG][7] about to read 200000 from location 30936175 (current length = 76426700)

but there is a missing command telling mvpmc to empty the demux buffer, so these new reads are getting tacked onto the end and the delay is the buffer playing out. From the source of the command that clears the buffer is a media socket read while the media is playing.

Martin

[WKleeven]

Martin,

Does this, for you, explain the difference in skipping in digital and analog recordings I described above?
And, is there anything else I can do at the moment? If I can, I will. Otherwise I'm going to bed now.

Wim

[mvallevand]

Martin,

Does this, for you, explain the difference in skipping in digital and analog recordings I described above?
And, is there anything else I can do at the moment? If I can, I will. Otherwise I'm going to bed now.

Wim

No, not at all. On the NMT I normalize the PTS to zero, and NPVR does its own normalization. On the MVP it is sent raw (45000 based), but NPVR is not handling it well.

Martin

[sub]

but there is a missing command telling mvpmc to empty the demux buffer, so these new reads are getting tacked onto the end and the delay is the buffer playing out.

That is what it sounds like from the description. Which command exactly triggers the mvpmc to empty demux buffer? I can check its being sent (after I take the kids for a bike ride).