[mythtv] Re: [mythtv-commits] Re: Ticket #761: Thumbnail generation
for MythWeb
- Recorded Programs doesn't alwaya honor PreviewPixmapOffset
Kevin Kuphal
kuphal at dls.net
Tue Dec 6 14:05:51 UTC 2005
MythTV wrote:
>#761: Thumbnail generation for MythWeb - Recorded Programs doesn't alwaya honor
>PreviewPixmapOffset
>-----------------------+----------------------------------------------------
> Reporter: anonymous | Owner: ijr
> Type: defect | Status: closed
> Priority: minor | Milestone:
>Component: mythweb | Version:
> Severity: medium | Resolution: worksforme
>-----------------------+----------------------------------------------------
>Changes (by cpinkham):
>
> * resolution: => worksforme
> * status: new => closed
>
>Comment:
>
> The preview pixmap generate will ignore PreviewPixmapOffset in lots of
> cases. It also takes into account RecordPreRoll, PreviewFromBookmark, the
> commercial skip list, and the cutlist, so there are lots of reasons why
> the image would not always be from a fixed position in the recording.
> Closing ticket unless you can document cases where it's not working as it
> should. Unfortunately, "pretty odd sometimes" doesn't help us debug. If
> you want to try to track this down, edit NuppelVideoPlayer.cpp and search
> for NuppelVideoPlayer::GetScreenGrab() and insert some lines like the one
> below every time you see the 'number' variable modified. Then you can see
> why it is choosing the frame it chooses.
>
> cerr << "NVP::GetScreenGrab: Line: " << __LINE__ << ", number = " <<
> number << endl;
>
> That will print out the current value of number and the current line
> number as well so you can see where it is being changed at.
>
>
I've seen this as well where the image is coming from the very end of a
recording with no cutlist and only a commercial cutlist that is darn
near perfect when watching. I will try to see if I can find one that
exhibits this as well.
Kevin
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