[gstreamer-bugs] [Bug 623375] New: [ffmpegcolorspace] Invalid memory accesses with odd widths/height during subsampling

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=623375
  GStreamer | gst-plugins-base | 0.10.30

           Summary: [ffmpegcolorspace] Invalid memory accesses with odd
                    widths/height during subsampling
    Classification: Desktop
           Product: GStreamer
           Version: 0.10.30
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: blocker
          Priority: Normal
         Component: gst-plugins-base
        AssignedTo: gstreamer-bugs at lists.sourceforge.net
        ReportedBy: slomo at circular-chaos.org
         QAContact: gstreamer-bugs at lists.sourceforge.net
      GNOME target: ---
     GNOME version: ---


ffmpegcolorspace has some invalid memory accesses with odd widths/heights
during the subsampling process, e.g. when converting planar 4:2:2 to 4:4:4.

Example pipeline:
GST_REGISTRY_UPDATE=no G_SLICE=always-malloc valgrind --track-origins=yes
../../../gstreamer/tools/.libs/gst-launch-0.10 videotestsrc num-buffers=1 !
"video/x-raw-yuv,format=(fourcc)YUY2,width=320,height=241" ! ffmpegcolorspace !
"video/x-raw-yuv,format=(fourcc)YV12" ! fakesink


This happens in the videoscale unit test too.

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