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[Launchpad Bug Tracker <1397597@xxxxxxxxxxxxxxxxxx>]

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: gstreamer1.0 (Ubuntu)
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/1397597

Title:
  Broken GStreamer-1.4.3

Status in gstreamer1.0 package in Ubuntu:
  Confirmed

Bug description:
  1)
  $ lsb_release -rd
  Description:	Ubuntu 14.10
  Release:	14.10

  2)
  $ apt-cache policy gstreamer-1.0
  gstreamer-1.0-pulseaudio:
    Installed: (none)
    Candidate: (none)
    Version table:
  gir1.2-gstreamer-1.0:
    Installed: 1.4.3-1
    Candidate: 1.4.3-1
    Version table:
   *** 1.4.3-1 0
          500 http://se.archive.ubuntu.com/ubuntu/ utopic/main amd64 Packages
          100 /var/lib/dpkg/status

  3) I expected the basic pipelines

  a) gst-launch-1.0 filesrc location=242.jpg ! decodebin ! imagefreeze ! videoconvert ! ximagesink
  b) gst-launch-1.0 filesrc location=242.jpg ! decodebin ! imagefreeze ! videoconvert ! autovideosink

  which always played OK on the previous versions of Ubuntu (e.g.,
  GStreamer 1.2.4 on 14.04LTS) play seamlessly in Ubuntu 14.10.

  4) Whereas 3a plays OK, 3b (differing by just the video sink) fails;
  see below

  fl@gbx2:~/ads$ gst-launch-1.0 filesrc location=242.jpg ! decodebin ! imagefreeze ! videoconvert ! ximagesink
  Setting pipeline to PAUSED ...
  Pipeline is PREROLLING ...
  Pipeline is PREROLLED ...
  Setting pipeline to PLAYING ...
  New clock: GstSystemClock
  ^Chandling interrupt.
  Interrupt: Stopping pipeline ...
  Execution ended after 0:00:03.504271487
  Setting pipeline to PAUSED ...
  Setting pipeline to READY ...
  Setting pipeline to NULL ...
  Freeing pipeline ...

  fl@gbx2:~/ads$ gst-launch-1.0 filesrc location=242.jpg ! decodebin ! imagefreeze ! videoconvert ! autovideosink
  Setting pipeline to PAUSED ...
  libva info: VA-API version 0.35.1
  libva info: va_getDriverName() returns 0
  libva info: Trying to open /usr/lib/x86_64-linux-gnu/dri/i965_drv_video.so
  libva info: Found init function __vaDriverInit_0_35
  libva info: va_openDriver() returns 0
  Pipeline is PREROLLING ...
  ERROR: from element /GstPipeline:pipeline0/GstDecodeBin:decodebin0/GstJpegDec:jpegdec0: No valid frames decoded before end of stream
  Additional debug info:
  gstvideodecoder.c(1071): gst_video_decoder_sink_event_default (): /GstPipeline:pipeline0/GstDecodeBin:decodebin0/GstJpegDec:jpegdec0:
  no valid frames found
  ERROR: pipeline doesn't want to preroll.
  Setting pipeline to NULL ...
  Freeing pipeline ...

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