#0  0x00007f64a71b4d45 in gst_buffer_is_metadata_writable (buf=0x0) at gstbuffer.c:684
No locals.
#1  0x00007f64a71b5196 in gst_buffer_make_metadata_writable (buf=0x0) at gstbuffer.c:707
        ret = <optimized out>
#2  0x00007f64a48265f3 in gst_base_parse_chain (pad=<optimized out>, buffer=<optimized out>) at gstbaseparse.c:2478
        res = <optimized out>
        bclass = 0x7f6490014f30
        parse = 0x7f6490016440
        ret = GST_FLOW_OK
        outbuf = <optimized out>
        tmpbuf = 0x0
        fsize = 0
        skip = -1
        data = <optimized out>
        old_min_size = 7209
        min_size = <optimized out>
        av = 7366
        timestamp = <optimized out>
        frame = 0x7f6490016828
        __PRETTY_FUNCTION__ = "gst_base_parse_chain"
#3  0x00007f64a71e1bfa in gst_pad_push (pad=0x7f6490006ad0, buffer=0x7f6490058670) at gstpad.c:4710
        cache = 0x7f6490014bb0
        ret = <optimized out>
        cache_ptr = 0x7f6490006c48
        peer = 0x7f6490006c50
        caps = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push"
#4  0x00007f649f898536 in gst_single_queue_push_one (object=0x7f6490058670, sq=0x7f6490012ba0, mq=0x7f6490009010) at gstmultiqueue.c:1087
        buffer = 0x7f6490058670
        timestamp = <optimized out>
        duration = <optimized out>
        caps = 0x7f6490003680
        result = GST_FLOW_OK
#5  gst_multi_queue_loop (pad=<optimized out>) at gstmultiqueue.c:1318
        sq = 0x7f6490012ba0
        item = <optimized out>
        sitem = 0x7f64840014f0
        mq = 0x7f6490009010
        object = <optimized out>
        newid = 192
        result = -1879034240
        next_time = <optimized out>
        __PRETTY_FUNCTION__ = "gst_multi_queue_loop"
#6  0x00007f64a7207dcc in gst_task_func (task=0x7f64aa0c2750) at gsttask.c:327
        lock = 0x7f6490011cc0
        tself = 0x7f6490008320
        priv = 0x7f64aa0c27f0
        __PRETTY_FUNCTION__ = "gst_task_func"
#7  0x00007f64a54c1058 in g_thread_pool_thread_proxy (data=<optimized out>) at /build/buildd/glib2.0-2.31.20/./glib/gthreadpool.c:309
        task = 0x7f64900058c0
        pool = 0x7f64a9e330c0
#8  0x00007f64a54c07f5 in g_thread_proxy (data=0x7f6490008320) at /build/buildd/glib2.0-2.31.20/./glib/gthread.c:801
        thread = 0x7f6490008320
#9  0x00007f64a5241e9a in start_thread (arg=0x7f648c1c3700) at pthread_create.c:308
        __res = <optimized out>
        pd = 0x7f648c1c3700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 2549789517200062037, 140070123827440, 140069824117184, 0, 3, -2473685425720822187, -2473630380839045547}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#10 0x00007f64a4f6f74d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#11 0x0000000000000000 in ?? ()
No symbol table info available.