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[Amr Ibrahim <1406546@xxxxxxxxxxxxxxxxxx>]

** 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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