** Changed in: shotwell (Ubuntu)
Status: New => Fix Released
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https://bugs.launchpad.net/bugs/1406546
Title:
Gray thumbnails generated for some videos
Status in Shotwell:
Fix Released
Status in shotwell package in Ubuntu:
Fix Released
Bug description:
The Shotwell thumbnailer is limited in the way it does seeking in some
video formats, resulting in data that is not the full video frame but
only interframe data, resulting in mostly gray thumbnails for such
video formats. This is not a GStreamer bug, since Totem thumbnailer
works fine, so it's a difference in how GStreamer is used.
This can be tested manually with:
/usr/lib/shotwell/shotwell-video-thumbnailer video.MTS > out.png
Sony AVCHD format (MTS) is one example, while the MP4 from Sony's
better XAVC S format works fine.
This Ubuntu bug is for following the upstream bug report.
[Test Case]
wget http://kernelcat.com/shotwell/20141230125000.MTS
totem-video-thumbnailer -r 20141230125000.MTS totem.png
/usr/lib/shotwell/shotwell-video-thumbnailer 20141230125000.MTS > shotwell.png
ffmpegthumbnailer -s0 -i20141230125000.MTS -offmpeg.png
Totem and ffmpegthumbnailer generate a correct thumbnail, Shotwell
does not.
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