MythTV wrote:
#761: Thumbnail generation for MythWeb - Recorded Programs doesn't alwaya honor
PreviewPixmapOffset
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Reporter: anonymous | Owner: ijr
Type: defect | Status: closed
Priority: minor | Milestone:
Component: mythweb | Version:
Severity: medium | Resolution: worksforme
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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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