[Bug 796030] New: decklink: Crash with closed-captions signal and 10-bit input

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=796030

            Bug ID: 796030
           Summary: decklink: Crash with closed-captions signal and 10-bit
                    input
    Classification: Platform
           Product: GStreamer
           Version: git master
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: Normal
         Component: gst-plugins-bad
          Assignee: gstreamer-bugs at lists.freedesktop.org
          Reporter: vivia at ahiru.eu
        QA Contact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---

gdb --args ./gst/master/gstreamer/tools/.libs/gst-launch-1.0 decklinkvideosrc
output-cc=true mode=12 video-format=2 ! queue !  fakesink

[...]


Thread 4 "decklinkvideosr" received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7fffebfff700 (LWP 2273)]
gst_video_vbi_parser_free (parser=0x0) at video-anc.c:290
290       g_free (parser->work_data);
(gdb) bt
#0  0x00007ffff5685ce4 in gst_video_vbi_parser_free (parser=0x0) at
video-anc.c:290
#1  0x00007ffff5b93fd3 in extract_cc_from_vbi(GstDecklinkVideoSrc*,
GstBuffer**, VideoFrame*, GstDecklinkMode const*) (self=0x55555599e8e0
[GstDecklinkVideoSrc], buffer=0x7fffebffed20, vf=0x7fffe4001160,
mode=0x7ffff5d9e5c0 <modes+672>) at gstdecklinkvideosrc.cpp:819
#2  0x00007ffff5b951a7 in gst_decklink_video_src_create(GstPushSrc*,
GstBuffer**) (bsrc=0x55555599e8e0 [GstDecklinkVideoSrc], buffer=0x7fffebffed20)
    at gstdecklinkvideosrc.cpp:1006
#3  0x00007ffff543040e in gst_base_src_get_range (src=src at entry=0x55555599e8e0
[GstDecklinkVideoSrc], offset=offset at entry=18446744073709551615,
length=<optimized out>, buf=buf at entry=0x7fffebffedf8) at gstbasesrc.c:2512
#4  0x00007ffff54326fc in gst_base_src_loop (pad=0x5555559a0060 [GstPad]) at
gstbasesrc.c:2836
#5  0x00007ffff7b46691 in gst_task_func (task=0x5555559c8170 [GstTask]) at
gsttask.c:332
#6  0x00007ffff73a3dce in g_thread_pool_thread_proxy (data=<optimized out>) at
././glib/gthreadpool.c:307
#7  0x00007ffff73a33d5 in g_thread_proxy (data=0x5555559a6050) at
././glib/gthread.c:784
#8  0x00007ffff6d0f494 in start_thread (arg=0x7fffebfff700) at
pthread_create.c:333
#9  0x00007ffff6a51acf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:97
(gdb)

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