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  1. Qt
  2. QTBUG-45003

BB10: Improve camera preview and video orientation

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Details

    • Bug
    • Resolution: Won't Do
    • P2: Important
    • None
    • 5.4.0, 5.4.1
    • (Inactive) QtPorts: BB10, Multimedia
    • None
    • Ubuntu x64 14.10, Blackberry Z30

    Description

      After applying patches from QTBUG-43752 and QTBUG-44997 and QTBUG-44999 and QTBUG-45002, it will became possible to record and play video.

      Still there will be several problems with video orientation:

      • usage of QTransform for rotating frames in BbCameraSession::viewfinderFrameGrabbed causes dramatic FPS decrease for back camera in vertical orientation. It seems that QTransform cannot perform complex transformation effectively.
      • Still frame rotation is incorrect in some device orientations
      • recorded video rotation is also incorrect
      • orientation is not stored in video and photo metadata

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            bomb3rman Fabian Bumberger
            korvin Stepan Prokipchyn
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            Dates

              Created:
              Updated:
              Resolved:

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