#0  0x00007ff490bccd8c in g_type_check_instance_cast (type_instance=0x35aa7c0, iface_type=34930912) at /build/buildd/glib2.0-2.31.12/./gobject/gtype.c:3999
        node = 0xeaf00000000
        iface = 0x2
        is_instantiatable = <optimized out>
        check = <optimized out>
#1  0x00007ff49169073b in really_add_filter (pad=0x26b00b0, blocked=1, op=0x31e4fe0) at rb-player-gst-helper.c:526
        binsinkpad = <optimized out>
        binsrcpad = <optimized out>
        realpad = 0x36257f0
        prevpad = <optimized out>
        bin = <optimized out>
        identity = <optimized out>
        audioconvert = <optimized out>
        audioconvert2 = <optimized out>
        link = GST_PAD_LINK_OK
        __FUNCTION__ = "really_add_filter"
#2  0x00007ff48b96dbfd in handle_pad_block (pad=0x26b00b0) at gstpad.c:4073
        callback = 0x7ff491690540 <really_add_filter>
        user_data = 0x31e4fe0
#3  handle_pad_block (pad=0x26b00b0) at gstpad.c:4040
No locals.
#4  0x00007ff48b9a1e4b in gst_pad_alloc_buffer_full (pad=0x26b00b0, offset=18446744073709551615, size=4608, caps=0x1e536c0, buf=0x7ff45e3617f0, setcaps=0) at gstpad.c:3090
        peer = <optimized out>
        ret = <optimized out>
        newcaps = <optimized out>
        caps_changed = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_alloc_buffer_full"
#5  0x00007ff48b991657 in gst_proxy_pad_bufferalloc_default (pad=<optimized out>, offset=18446744073709551615, size=4608, caps=0x1e536c0, buf=0x7ff45e3617f0) at gstghostpad.c:232
        result = GST_FLOW_WRONG_STATE
        internal = 0x26b00b0
        __PRETTY_FUNCTION__ = "gst_proxy_pad_bufferalloc_default"
#6  0x00007ff48b9a201a in gst_pad_buffer_alloc_unchecked (buf=0x7ff45e3617f0, caps=0x1e536c0, size=4608, offset=18446744073709551615, pad=0x361bc30) at gstpad.c:3022
        ret = <optimized out>
        bufferallocfunc = 0x7ff48b991550 <gst_proxy_pad_bufferalloc_default>
#7  gst_pad_alloc_buffer_full (pad=0x23e3a70, offset=18446744073709551615, size=4608, caps=0x1e536c0, buf=0x7ff45e3617f0, setcaps=0) at gstpad.c:3099
        peer = 0x361bc30
        ret = <optimized out>
        newcaps = <optimized out>
        caps_changed = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_alloc_buffer_full"
#8  0x00007ff48b991657 in gst_proxy_pad_bufferalloc_default (pad=<optimized out>, offset=18446744073709551615, size=4608, caps=0x1e536c0, buf=0x7ff45e3617f0) at gstghostpad.c:232
        result = GST_FLOW_WRONG_STATE
        internal = 0x23e3a70
        __PRETTY_FUNCTION__ = "gst_proxy_pad_bufferalloc_default"
#9  0x00007ff48b9a201a in gst_pad_buffer_alloc_unchecked (buf=0x7ff45e3617f0, caps=0x1e536c0, size=4608, offset=18446744073709551615, pad=0x26e4790) at gstpad.c:3022
        ret = <optimized out>
        bufferallocfunc = 0x7ff48b991550 <gst_proxy_pad_bufferalloc_default>
#10 gst_pad_alloc_buffer_full (pad=0x3743af0, offset=18446744073709551615, size=4608, caps=0x1e536c0, buf=0x7ff45e3617f0, setcaps=0) at gstpad.c:3099
        peer = 0x26e4790
        ret = <optimized out>
        newcaps = <optimized out>
        caps_changed = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_alloc_buffer_full"
#11 0x00007ff48be6e2d1 in gst_base_transform_buffer_alloc (pad=0x3743970, offset=18446744073709551615, size=4608, caps=0x1e536c0, buf=0x7ff45e3617f0) at gstbasetransform.c:2089
        newcaps = <optimized out>
        trans = 0x7ff46c551c40
        priv = 0x7ff46c551f20
        res = GST_FLOW_OK
        alloced = 0
        proxy = <optimized out>
        suggest = 0
        new_caps = <optimized out>
        sink_suggest = 0x1e536c0
        size_suggest = 4608
        __PRETTY_FUNCTION__ = "gst_base_transform_buffer_alloc"
#12 0x00007ff48b9a201a in gst_pad_buffer_alloc_unchecked (buf=0x7ff45e3617f0, caps=0x1e536c0, size=4608, offset=18446744073709551615, pad=0x3743970) at gstpad.c:3022
        ret = <optimized out>
        bufferallocfunc = 0x7ff48be6e070 <gst_base_transform_buffer_alloc>
#13 gst_pad_alloc_buffer_full (pad=0x37437f0, offset=18446744073709551615, size=4608, caps=0x1e536c0, buf=0x7ff45e3617f0, setcaps=0) at gstpad.c:3099
        peer = 0x3743970
        ret = <optimized out>
        newcaps = <optimized out>
        caps_changed = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_alloc_buffer_full"
#14 0x00007ff48be6e2d1 in gst_base_transform_buffer_alloc (pad=0x3743670, offset=18446744073709551615, size=4608, caps=0x1e536c0, buf=0x7ff45e3617f0) at gstbasetransform.c:2089
        newcaps = <optimized out>
        trans = 0x2404f40
        priv = 0x2405260
        res = GST_FLOW_OK
        alloced = 0
        proxy = <optimized out>
        suggest = 0
        new_caps = <optimized out>
        sink_suggest = 0x1e536c0
        size_suggest = 4608
        __PRETTY_FUNCTION__ = "gst_base_transform_buffer_alloc"
#15 0x00007ff48b9a201a in gst_pad_buffer_alloc_unchecked (buf=0x7ff45e3617f0, caps=0x1e536c0, size=4608, offset=18446744073709551615, pad=0x3743670) at gstpad.c:3022
        ret = <optimized out>
        bufferallocfunc = 0x7ff48be6e070 <gst_base_transform_buffer_alloc>
#16 gst_pad_alloc_buffer_full (pad=0x26e4110, offset=18446744073709551615, size=4608, caps=0x1e536c0, buf=0x7ff45e3617f0, setcaps=0) at gstpad.c:3099
        peer = 0x3743670
        ret = <optimized out>
        newcaps = <optimized out>
        caps_changed = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_alloc_buffer_full"
#17 0x00007ff48b991657 in gst_proxy_pad_bufferalloc_default (pad=<optimized out>, offset=18446744073709551615, size=4608, caps=0x1e536c0, buf=0x7ff45e3617f0) at gstghostpad.c:232
        result = GST_FLOW_WRONG_STATE
        internal = 0x26e4110
        __PRETTY_FUNCTION__ = "gst_proxy_pad_bufferalloc_default"
#18 0x00007ff48b9a201a in gst_pad_buffer_alloc_unchecked (buf=0x7ff45e3617f0, caps=0x1e536c0, size=4608, offset=18446744073709551615, pad=0x23e38c0) at gstpad.c:3022
        ret = <optimized out>
        bufferallocfunc = 0x7ff48b991550 <gst_proxy_pad_bufferalloc_default>
#19 gst_pad_alloc_buffer_full (pad=0x23ebdc0, offset=18446744073709551615, size=4608, caps=0x1e536c0, buf=0x7ff45e3617f0, setcaps=0) at gstpad.c:3099
        peer = 0x23e38c0
        ret = <optimized out>
        newcaps = <optimized out>
        caps_changed = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_alloc_buffer_full"
#20 0x00007ff465b72b6e in gst_queue_bufferalloc (pad=<optimized out>, offset=18446744073709551615, size=4608, caps=0x1e536c0, buf=0x7ff45e3617f0) at gstqueue.c:558
        queue = 0x216aa50
        result = <optimized out>
#21 0x00007ff48b9a201a in gst_pad_buffer_alloc_unchecked (buf=0x7ff45e3617f0, caps=0x1e536c0, size=4608, offset=18446744073709551615, pad=0x23ebc40) at gstpad.c:3022
        ret = <optimized out>
        bufferallocfunc = 0x7ff465b72b20 <gst_queue_bufferalloc>
#22 gst_pad_alloc_buffer_full (pad=0x26e4930, offset=18446744073709551615, size=4608, caps=0x1e536c0, buf=0x7ff45e3617f0, setcaps=0) at gstpad.c:3099
        peer = 0x23ebc40
        ret = <optimized out>
        newcaps = <optimized out>
        caps_changed = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_alloc_buffer_full"
#23 0x00007ff48b991657 in gst_proxy_pad_bufferalloc_default (pad=<optimized out>, offset=18446744073709551615, size=4608, caps=0x1e536c0, buf=0x7ff45e3617f0) at gstghostpad.c:232
        result = GST_FLOW_WRONG_STATE
        internal = 0x26e4930
        __PRETTY_FUNCTION__ = "gst_proxy_pad_bufferalloc_default"
#24 0x00007ff48b9a201a in gst_pad_buffer_alloc_unchecked (buf=0x7ff45e3617f0, caps=0x1e536c0, size=4608, offset=18446744073709551615, pad=0x23e3c20) at gstpad.c:3022
        ret = <optimized out>
        bufferallocfunc = 0x7ff48b991550 <gst_proxy_pad_bufferalloc_default>
#25 gst_pad_alloc_buffer_full (pad=0x35e1650, offset=18446744073709551615, size=4608, caps=0x1e536c0, buf=0x7ff45e3617f0, setcaps=0) at gstpad.c:3099
        peer = 0x23e3c20
        ret = <optimized out>
        newcaps = <optimized out>
        caps_changed = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_alloc_buffer_full"
#26 0x00007ff465fceaf2 in gst_stream_synchronizer_sink_bufferalloc (pad=0x23eb1c0, offset=18446744073709551615, size=4608, caps=0x1e536c0, buf=0x7ff45e3617f0) at gststreamsynchronizer.c:568
        opad = 0x35e1650
        ret = GST_FLOW_ERROR
        __PRETTY_FUNCTION__ = "gst_stream_synchronizer_sink_bufferalloc"
#27 0x00007ff48b9a201a in gst_pad_buffer_alloc_unchecked (buf=0x7ff45e3617f0, caps=0x1e536c0, size=4608, offset=18446744073709551615, pad=0x23eb1c0) at gstpad.c:3022
        ret = <optimized out>
        bufferallocfunc = 0x7ff465fcea50 <gst_stream_synchronizer_sink_bufferalloc>
#28 gst_pad_alloc_buffer_full (pad=0x35e1050, offset=18446744073709551615, size=4608, caps=0x1e536c0, buf=0x7ff45e3617f0, setcaps=0) at gstpad.c:3099
        peer = 0x23eb1c0
        ret = <optimized out>
        newcaps = <optimized out>
        caps_changed = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_alloc_buffer_full"
#29 0x00007ff465b8082b in gst_tee_buffer_alloc (pad=<optimized out>, offset=18446744073709551615, size=4608, caps=0x1e536c0, buf=0x7ff45e3617f0) at gsttee.c:575
        data = <optimized out>
        tee = 0x2e0cbe0
        res = GST_FLOW_NOT_LINKED
        allocpad = 0x35e1050
        __PRETTY_FUNCTION__ = "gst_tee_buffer_alloc"
#30 0x00007ff48b9a201a in gst_pad_buffer_alloc_unchecked (buf=0x7ff45e3617f0, caps=0x1e536c0, size=4608, offset=18446744073709551615, pad=0x23ebac0) at gstpad.c:3022
        ret = <optimized out>
        bufferallocfunc = 0x7ff465b805d0 <gst_tee_buffer_alloc>
#31 gst_pad_alloc_buffer_full (pad=0x26e4e10, offset=18446744073709551615, size=4608, caps=0x1e536c0, buf=0x7ff45e3617f0, setcaps=0) at gstpad.c:3099
        peer = 0x23ebac0
        ret = <optimized out>
        newcaps = <optimized out>
        caps_changed = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_alloc_buffer_full"
#32 0x00007ff48b991657 in gst_proxy_pad_bufferalloc_default (pad=<optimized out>, offset=18446744073709551615, size=4608, caps=0x1e536c0, buf=0x7ff45e3617f0) at gstghostpad.c:232
        result = GST_FLOW_WRONG_STATE
        internal = 0x26e4e10
        __PRETTY_FUNCTION__ = "gst_proxy_pad_bufferalloc_default"
#33 0x00007ff48b9a201a in gst_pad_buffer_alloc_unchecked (buf=0x7ff45e3617f0, caps=0x1e536c0, size=4608, offset=18446744073709551615, pad=0x361e560) at gstpad.c:3022
        ret = <optimized out>
        bufferallocfunc = 0x7ff48b991550 <gst_proxy_pad_bufferalloc_default>
#34 gst_pad_alloc_buffer_full (pad=0x22dd4b0, offset=18446744073709551615, size=4608, caps=0x1e536c0, buf=0x7ff45e3617f0, setcaps=0) at gstpad.c:3099
        peer = 0x361e560
        ret = <optimized out>
        newcaps = <optimized out>
        caps_changed = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_alloc_buffer_full"
#35 0x00007ff465b6aaa4 in gst_selector_pad_bufferalloc (pad=0x3738b20, offset=18446744073709551615, size=4608, caps=0x1e536c0, buf=0x7ff45e3617f0) at gstinputselector.c:588
        sel = 0x7ff4540254c0
        result = <optimized out>
        active_sinkpad = <optimized out>
        prev_active_sinkpad = 0x3738b20
        selpad = 0x3738b20
        __PRETTY_FUNCTION__ = "gst_selector_pad_bufferalloc"
#36 0x00007ff48b9a201a in gst_pad_buffer_alloc_unchecked (buf=0x7ff45e3617f0, caps=0x1e536c0, size=4608, offset=18446744073709551615, pad=0x3738b20) at gstpad.c:3022
        ret = <optimized out>
        bufferallocfunc = 0x7ff465b6a8b0 <gst_selector_pad_bufferalloc>
#37 gst_pad_alloc_buffer_full (pad=0x361e8c0, offset=18446744073709551615, size=4608, caps=0x1e536c0, buf=0x7ff45e3617f0, setcaps=0) at gstpad.c:3099
        peer = 0x3738b20
        ret = <optimized out>
        newcaps = <optimized out>
        caps_changed = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_alloc_buffer_full"
#38 0x00007ff48b991657 in gst_proxy_pad_bufferalloc_default (pad=<optimized out>, offset=18446744073709551615, size=4608, caps=0x1e536c0, buf=0x7ff45e3617f0) at gstghostpad.c:232
        result = GST_FLOW_WRONG_STATE
        internal = 0x361e8c0
        __PRETTY_FUNCTION__ = "gst_proxy_pad_bufferalloc_default"
#39 0x00007ff48b9a201a in gst_pad_buffer_alloc_unchecked (buf=0x7ff45e3617f0, caps=0x1e536c0, size=4608, offset=18446744073709551615, pad=0x26e45f0) at gstpad.c:3022
        ret = <optimized out>
        bufferallocfunc = 0x7ff48b991550 <gst_proxy_pad_bufferalloc_default>
#40 gst_pad_alloc_buffer_full (pad=0x2713cb0, offset=18446744073709551615, size=4608, caps=0x1e536c0, buf=0x7ff45e3617f0, setcaps=0) at gstpad.c:3099
        peer = 0x26e45f0
        ret = <optimized out>
        newcaps = <optimized out>
        caps_changed = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_alloc_buffer_full"
#41 0x00007ff48b991657 in gst_proxy_pad_bufferalloc_default (pad=<optimized out>, offset=18446744073709551615, size=4608, caps=0x1e536c0, buf=0x7ff45e3617f0) at gstghostpad.c:232
        result = GST_FLOW_WRONG_STATE
        internal = 0x2713cb0
        __PRETTY_FUNCTION__ = "gst_proxy_pad_bufferalloc_default"
#42 0x00007ff48b9a201a in gst_pad_buffer_alloc_unchecked (buf=0x7ff45e3617f0, caps=0x1e536c0, size=4608, offset=18446744073709551615, pad=0x26b03f0) at gstpad.c:3022
        ret = <optimized out>
        bufferallocfunc = 0x7ff48b991550 <gst_proxy_pad_bufferalloc_default>
#43 gst_pad_alloc_buffer_full (pad=0x22dd030, offset=18446744073709551615, size=4608, caps=0x1e536c0, buf=0x7ff45e3617f0, setcaps=0) at gstpad.c:3099
        peer = 0x26b03f0
        ret = <optimized out>
        newcaps = <optimized out>
        caps_changed = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_alloc_buffer_full"
#44 0x00007ff45ec14719 in ?? ()
No symbol table info available.
#45 0x000000000335f000 in ?? ()
No symbol table info available.
#46 0x0000000000000018 in ?? ()
No symbol table info available.
#47 0x000000000335f000 in ?? ()
No symbol table info available.
#48 0x0000000000000018 in ?? ()
No symbol table info available.
#49 0x0000000000000010 in ?? ()
No symbol table info available.
#50 0x00007ff49092cd91 in g_mutex_unlock (mutex=<optimized out>) at /build/buildd/glib2.0-2.31.12/./glib/gthread-posix.c:227
        _g_boolean_var_ = <optimized out>
        status = <optimized out>
#51 0x00007ff49090a5a4 in magazine_cache_pop_magazine (countp=0x13a8, ix=<optimized out>) at /build/buildd/glib2.0-2.31.12/./glib/gslice.c:742
        current = <optimized out>
        prev = <optimized out>
        next = <optimized out>
#52 thread_memory_magazine1_reload (ix=<optimized out>, tmem=<optimized out>) at /build/buildd/glib2.0-2.31.12/./glib/gslice.c:794
        mag = 0x13a0
#53 g_slice_alloc (mem_size=140687896380896) at /build/buildd/glib2.0-2.31.12/./glib/gslice.c:992
        ix = 3213043456
        tmem = 0x26e2a20
        chunk_size = <optimized out>
        mem = <optimized out>
#54 0x00007ff400000001 in ?? ()
No symbol table info available.
#55 0x00007ff45402bcd0 in ?? ()
No symbol table info available.
#56 0x00007ff4541186f0 in ?? ()
No symbol table info available.
#57 0x0000000000000000 in ?? ()
No symbol table info available.