[Bug 783273] New: overflow will happen when pps->num_tile_columns_minus1 is 19

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=783273

            Bug ID: 783273
           Summary: overflow will happen when pps->num_tile_columns_minus1
                    is 19
    Classification: Platform
           Product: GStreamer
           Version: unspecified
                OS: Windows
            Status: NEW
          Severity: normal
          Priority: Normal
         Component: gst-plugins-bad
          Assignee: gstreamer-bugs at lists.freedesktop.org
          Reporter: juan82.liu at samsung.com
        QA Contact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---

IN gsth265parser.c ,  gst_h265_parse_pps(), 

Line 1868/1869
pps->num_tile_columns_minus1 can be 19,

then go into Line 1874, num_col = 20,

in while loop for (i = 0; i < num_col; i++)
i can be 19,

pps->column_width_minus1[i] will overflow

in header file, its size is 19, column_width_minus1[19];


same issue with pps->num_tile_rows_minus1;

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