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library: seek to 10% before capturing video thumbnail

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Videos that open on a black frame (fade-in, title card, codec warmup)
produced black library thumbnails. mpv now starts at 10% with hr_seek
so the first decoded frame is past the opening. mpv clamps `start`
to valid range so very short clips still land on a real frame.
This commit is contained in:
pax 2026-04-14 15:58:33 -05:00
parent 22f09c3cdb
commit c3efcf9f89
1 changed files with 7 additions and 0 deletions
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7
booru_viewer/gui/library.py
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@ -338,6 +338,13 @@ class LibraryView(QWidget):
vo='null', ao='null', aid='no',
pause=True, keep_open='yes',
terminal=False, config=False,
# Seek to 10% before first frame decode so a video that
# opens on a black frame (fade-in, title card, codec
# warmup) doesn't produce a black thumbnail. mpv clamps
# `start` to valid range so very short clips still land
# on a real frame.
start='10%',
hr_seek='yes',
)
try:
@m.property_observer('video-params')