[Bug 750685] New: h263parse: Wrong mask use in the find_psc function.

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=750685

            Bug ID: 750685
           Summary: h263parse: Wrong mask use in the find_psc function.
    Classification: Platform
           Product: GStreamer
           Version: unspecified
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: Normal
         Component: gst-plugins-bad
          Assignee: gstreamer-bugs at lists.freedesktop.org
          Reporter: gilbok.lee at samsung.com
        QA Contact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---

When we played a video clip encoded by h263, playbin received EOS after showing
us just one frame.
We checked the log h263parse, it found wrong position of psc.
For this reason, h263parse calculated wrong size of frame.

In the h263 spec, PSC is a word of 22 bits. Its value is 0000 0000 0000 0000 1
00000.
It seemed that the value of the mask to operate 22bits was wrong.

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