#0  __lll_lock_wait ()
    at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:135
No locals.
#1  0x00007ffff6a33197 in _L_lock_1027 ()
   from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#2  0x00007ffff6a33029 in __GI___pthread_mutex_lock (mutex=0x22b4c30)
    at pthread_mutex_lock.c:85
        __PRETTY_FUNCTION__ = "__pthread_mutex_lock"
        type = 4294966784
#3  0x00007ffff13a1468 in gst_pad_pause_task (pad=0x30078c0) at gstpad.c:5261
        task = <optimized out>
        res = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_pause_task"
#4  0x00007fffc0258f00 in gst_queue_handle_sink_event (pad=<optimized out>, 
    parent=0x30562f0, event=<optimized out>) at gstqueue.c:725
        queue = 0x30562f0
        __PRETTY_FUNCTION__ = "gst_queue_handle_sink_event"
#5  0x00007ffff1397231 in gst_pad_send_event_unchecked (
    pad=pad@entry=0x3007690, event=event@entry=0x305eb00, type=type@entry=320)
    at gstpad.c:4821
        ret = <optimized out>
        event_type = GST_EVENT_FLUSH_START
        serialized = <optimized out>
        need_unlock = 0
        sticky = 0
        eventfunc = 0x7fffc02587f0 <gst_queue_handle_sink_event>
        parent = 0x30562f0
        __PRETTY_FUNCTION__ = "gst_pad_send_event_unchecked"
#6  0x00007ffff1397a6a in gst_pad_push_event_unchecked (
    pad=pad@entry=0x3007000, event=event@entry=0x305eb00, type=320, 
    type@entry=GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM) at gstpad.c:4514
        ret = <optimized out>
        peerpad = 0x3007690
        event_type = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_event_unchecked"
#7  0x00007ffff13a04e7 in gst_pad_push_event (pad=0x3007000, 
    event=event@entry=0x305eb00) at gstpad.c:4641
        ret = <optimized out>
        res = 0
        type = GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM
        sticky = 0
        serialized = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_event"
#8  0x00007ffff1660fd4 in gst_base_transform_sink_eventfunc (trans=0x310ecb0, 
    event=0x305eb00) at gstbasetransform.c:1845
        ret = 1
        forward = 1
        priv = <optimized out>
        __PRETTY_FUNCTION__ = "gst_base_transform_sink_eventfunc"
#9  0x00007ffff1397231 in gst_pad_send_event_unchecked (
    pad=pad@entry=0x3006dd0, event=event@entry=0x305eb00, type=type@entry=320)
    at gstpad.c:4821
        ret = <optimized out>
        event_type = GST_EVENT_FLUSH_START
        serialized = <optimized out>
        need_unlock = 0
        sticky = 0
        eventfunc = 0x7ffff165c6f0 <gst_base_transform_sink_event>
        parent = 0x310ecb0
        __PRETTY_FUNCTION__ = "gst_pad_send_event_unchecked"
#10 0x00007ffff1397a6a in gst_pad_push_event_unchecked (
    pad=pad@entry=0x3006ba0, event=event@entry=0x305eb00, type=320, 
    type@entry=GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM) at gstpad.c:4514
        ret = <optimized out>
        peerpad = 0x3006dd0
        event_type = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_event_unchecked"
#11 0x00007ffff13a04e7 in gst_pad_push_event (pad=0x3006ba0, 
    event=event@entry=0x305eb00) at gstpad.c:4641
        ret = <optimized out>
        res = 0
        type = GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM
        sticky = 0
        serialized = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_event"
#12 0x00007ffff1660fd4 in gst_base_transform_sink_eventfunc (trans=0x31186e0, 
    event=0x305eb00) at gstbasetransform.c:1845
        ret = 1
        forward = 1
        priv = <optimized out>
        __PRETTY_FUNCTION__ = "gst_base_transform_sink_eventfunc"
#13 0x00007ffff1397231 in gst_pad_send_event_unchecked (
    pad=pad@entry=0x3006970, event=event@entry=0x305eb00, type=type@entry=320)
    at gstpad.c:4821
        ret = <optimized out>
        event_type = GST_EVENT_FLUSH_START
        serialized = <optimized out>
        need_unlock = 0
        sticky = 0
        eventfunc = 0x7ffff165c6f0 <gst_base_transform_sink_event>
        parent = 0x31186e0
        __PRETTY_FUNCTION__ = "gst_pad_send_event_unchecked"
#14 0x00007ffff1397a6a in gst_pad_push_event_unchecked (
    pad=pad@entry=0x3006740, event=event@entry=0x305eb00, type=320, 
    type@entry=GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM) at gstpad.c:4514
        ret = <optimized out>
        peerpad = 0x3006970
        event_type = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_event_unchecked"
#15 0x00007ffff13a04e7 in gst_pad_push_event (pad=0x3006740, 
    event=event@entry=0x305eb00) at gstpad.c:4641
        ret = <optimized out>
        res = 0
        type = GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM
        sticky = 0
        serialized = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_event"
#16 0x00007ffff1660fd4 in gst_base_transform_sink_eventfunc (trans=0x31180c0, 
    event=0x305eb00) at gstbasetransform.c:1845
        ret = 1
        forward = 1
        priv = <optimized out>
        __PRETTY_FUNCTION__ = "gst_base_transform_sink_eventfunc"
#17 0x00007ffff1397231 in gst_pad_send_event_unchecked (
    pad=pad@entry=0x3006510, event=event@entry=0x305eb00, type=type@entry=320)
    at gstpad.c:4821
        ret = <optimized out>
        event_type = GST_EVENT_FLUSH_START
        serialized = <optimized out>
        need_unlock = 0
        sticky = 0
        eventfunc = 0x7ffff165c6f0 <gst_base_transform_sink_event>
        parent = 0x31180c0
        __PRETTY_FUNCTION__ = "gst_pad_send_event_unchecked"
#18 0x00007ffff1397a6a in gst_pad_push_event_unchecked (
    pad=pad@entry=0x30062e0, event=event@entry=0x305eb00, type=320, 
    type@entry=GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM) at gstpad.c:4514
        ret = <optimized out>
        peerpad = 0x3006510
        event_type = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_event_unchecked"
#19 0x00007ffff13a04e7 in gst_pad_push_event (pad=0x30062e0, 
    event=event@entry=0x305eb00) at gstpad.c:4641
        ret = <optimized out>
        res = 0
        type = GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM
        sticky = 0
        serialized = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_event"
#20 0x00007ffff1660fd4 in gst_base_transform_sink_eventfunc (trans=0x30483c0, 
    event=0x305eb00) at gstbasetransform.c:1845
        ret = 1
        forward = 1
        priv = <optimized out>
        __PRETTY_FUNCTION__ = "gst_base_transform_sink_eventfunc"
#21 0x00007fffc024b58e in gst_identity_sink_event (trans=0x30483c0, 
    event=0x305eb00) at gstidentity.c:353
        identity = 0x30483c0
        ret = 1
        __PRETTY_FUNCTION__ = "gst_identity_sink_event"
#22 0x00007ffff1397231 in gst_pad_send_event_unchecked (
    pad=pad@entry=0x30060b0, event=event@entry=0x305eb00, type=type@entry=320)
    at gstpad.c:4821
        ret = <optimized out>
        event_type = GST_EVENT_FLUSH_START
        serialized = <optimized out>
        need_unlock = 0
        sticky = 0
        eventfunc = 0x7ffff165c6f0 <gst_base_transform_sink_event>
        parent = 0x30483c0
        __PRETTY_FUNCTION__ = "gst_pad_send_event_unchecked"
#23 0x00007ffff1397a6a in gst_pad_push_event_unchecked (
    pad=pad@entry=0x304dd20, event=event@entry=0x305eb00, type=320, 
    type@entry=GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM) at gstpad.c:4514
        ret = <optimized out>
        peerpad = 0x30060b0
        event_type = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_event_unchecked"
#24 0x00007ffff13a04e7 in gst_pad_push_event (pad=pad@entry=0x304dd20, 
    event=0x305eb00) at gstpad.c:4641
        ret = <optimized out>
        res = 0
        type = GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM
        sticky = 0
        serialized = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_event"
#25 0x00007ffff13a071f in event_forward_func (pad=0x304dd20, 
    data=0x7fffffffb7e0) at gstpad.c:2719
        __PRETTY_FUNCTION__ = "event_forward_func"
#26 0x00007ffff139d72b in gst_pad_forward (pad=0x7fff9c004940, 
    forward=forward@entry=0x7ffff13a0640 <event_forward_func>, 
    user_data=user_data@entry=0x7fffffffb7e0) at gstpad.c:2673
        intpad = 0x304dd20
        result = <optimized out>
        iter = 0x7fffbc6e7970
        done = <optimized out>
        item = {g_type = 6356128, data = {{v_int = 50650400, 
              v_uint = 50650400, v_long = 50650400, v_ulong = 50650400, 
              v_int64 = 50650400, v_uint64 = 50650400, 
              v_float = 3.90451526e-37, v_double = 2.5024622588117474e-316, 
              v_pointer = 0x304dd20}, {v_int = 0, v_uint = 0, v_long = 0, 
              v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, 
              v_double = 0, v_pointer = 0x0}}}
        pushed_pads = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_forward"
#27 0x00007ffff139de90 in gst_pad_event_default (pad=<optimized out>, 
    parent=<optimized out>, event=0x305eb00) at gstpad.c:2770
        data = {event = 0x305eb00, result = 0, dispatched = 0}
        result = <optimized out>
        forward = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_event_default"
#28 0x00007ffff1397231 in gst_pad_send_event_unchecked (
    pad=pad@entry=0x7fff9c004940, event=event@entry=0x305eb00, 
    type=type@entry=320) at gstpad.c:4821
        ret = <optimized out>
        event_type = GST_EVENT_FLUSH_START
        serialized = <optimized out>
        need_unlock = 0
        sticky = 0
        eventfunc = 0x7ffff139dde0 <gst_pad_event_default>
        parent = 0x304dd20
        __PRETTY_FUNCTION__ = "gst_pad_send_event_unchecked"
#29 0x00007ffff1397a6a in gst_pad_push_event_unchecked (
    pad=pad@entry=0x7fffac017760, event=event@entry=0x305eb00, type=320, 
    type@entry=GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM) at gstpad.c:4514
        ret = <optimized out>
        peerpad = 0x7fff9c004940
        event_type = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_event_unchecked"
#30 0x00007ffff13a04e7 in gst_pad_push_event (pad=pad@entry=0x7fffac017760, 
    event=0x305eb00) at gstpad.c:4641
        ret = <optimized out>
        res = 0
        type = GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM
        sticky = 0
        serialized = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_event"
#31 0x00007ffff13a071f in event_forward_func (pad=0x7fffac017760, 
    data=0x7fffffffbb20) at gstpad.c:2719
        __PRETTY_FUNCTION__ = "event_forward_func"
#32 0x00007ffff139d72b in gst_pad_forward (pad=0x7fff9c004700, 
    forward=forward@entry=0x7ffff13a0640 <event_forward_func>, 
    user_data=user_data@entry=0x7fffffffbb20) at gstpad.c:2673
        intpad = 0x7fffac017760
        result = <optimized out>
        iter = 0x7fffbc6e78d0
        done = <optimized out>
        item = {g_type = 6356128, data = {{v_int = -1409190048, 
              v_uint = 2885777248, v_long = 140736079165280, 
              v_ulong = 140736079165280, v_int64 = 140736079165280, 
              v_uint64 = 140736079165280, v_float = -1.8398269e-12, 
              v_double = 6.9532861845958865e-310, v_pointer = 0x7fffac017760}, 
            {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, 
              v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}}
        pushed_pads = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_forward"
#33 0x00007ffff139de90 in gst_pad_event_default (pad=<optimized out>, 
    parent=<optimized out>, event=0x305eb00) at gstpad.c:2770
        data = {event = 0x305eb00, result = 0, dispatched = 0}
        result = <optimized out>
        forward = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_event_default"
#34 0x00007ffff1397231 in gst_pad_send_event_unchecked (
    pad=pad@entry=0x7fff9c004700, event=event@entry=0x305eb00, 
    type=type@entry=320) at gstpad.c:4821
        ret = <optimized out>
        event_type = GST_EVENT_FLUSH_START
        serialized = <optimized out>
        need_unlock = 0
        sticky = 0
        eventfunc = 0x7ffff139dde0 <gst_pad_event_default>
        parent = 0x7fffac017760
        __PRETTY_FUNCTION__ = "gst_pad_send_event_unchecked"
#35 0x00007ffff1397a6a in gst_pad_push_event_unchecked (
    pad=pad@entry=0x2db58e0, event=event@entry=0x305eb00, type=320, 
    type@entry=GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM) at gstpad.c:4514
        ret = <optimized out>
        peerpad = 0x7fff9c004700
        event_type = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_event_unchecked"
#36 0x00007ffff13a04e7 in gst_pad_push_event (pad=pad@entry=0x2db58e0, 
    event=0x305eb00) at gstpad.c:4641
        ret = <optimized out>
        res = 0
        type = GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM
        sticky = 0
        serialized = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_event"
#37 0x00007ffff13a071f in event_forward_func (pad=0x2db58e0, 
    data=0x7fffffffbe60) at gstpad.c:2719
        __PRETTY_FUNCTION__ = "event_forward_func"
#38 0x00007ffff139d72b in gst_pad_forward (pad=0x2db56b0, 
    forward=forward@entry=0x7ffff13a0640 <event_forward_func>, 
    user_data=user_data@entry=0x7fffffffbe60) at gstpad.c:2673
        intpad = 0x2db58e0
        result = <optimized out>
        iter = 0x7fffbc6e7830
        done = <optimized out>
        item = {g_type = 6356128, data = {{v_int = 47929568, 
              v_uint = 47929568, v_long = 47929568, v_ulong = 47929568, 
              v_int64 = 47929568, v_uint64 = 47929568, 
              v_float = 3.22301696e-37, v_double = 2.3680352968811943e-316, 
              v_pointer = 0x2db58e0}, {v_int = 0, v_uint = 0, v_long = 0, 
              v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, 
              v_double = 0, v_pointer = 0x0}}}
        pushed_pads = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_forward"
#39 0x00007ffff139de90 in gst_pad_event_default (pad=<optimized out>, 
    parent=parent@entry=0x7fffa0014500, event=event@entry=0x305eb00)
    at gstpad.c:2770
        data = {event = 0x305eb00, result = 0, dispatched = 0}
        result = <optimized out>
        forward = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_event_default"
#40 0x00007ffff189d592 in gst_audio_decoder_sink_eventfunc (
    dec=0x7fffa0014500, event=0x305eb00) at gstaudiodecoder.c:1805
        ret = <optimized out>
        __PRETTY_FUNCTION__ = "gst_audio_decoder_sink_eventfunc"
#41 0x00007ffff1397231 in gst_pad_send_event_unchecked (
    pad=pad@entry=0x2db56b0, event=event@entry=0x305eb00, type=type@entry=320)
    at gstpad.c:4821
        ret = <optimized out>
        event_type = GST_EVENT_FLUSH_START
        serialized = <optimized out>
        need_unlock = 0
        sticky = 0
        eventfunc = 0x7ffff1897fb0 <gst_audio_decoder_sink_event>
        parent = 0x7fffa0014500
        __PRETTY_FUNCTION__ = "gst_pad_send_event_unchecked"
#42 0x00007ffff1397a6a in gst_pad_push_event_unchecked (
    pad=pad@entry=0x2db5020, event=event@entry=0x305eb00, type=320, 
    type@entry=GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM) at gstpad.c:4514
        ret = <optimized out>
        peerpad = 0x2db56b0
        event_type = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_event_unchecked"
#43 0x00007ffff13a04e7 in gst_pad_push_event (pad=0x2db5020, event=0x305eb00)
    at gstpad.c:4641
        ret = <optimized out>
        res = 0
        type = GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM
        sticky = 0
        serialized = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_event"
#44 0x00007ffff164196c in gst_base_parse_handle_seek (event=0x30595e0, 
    parse=0x7fff9c006810) at gstbaseparse.c:3969
        last_stop = <optimized out>
        start_type = GST_SEEK_TYPE_SET
        stop_type = GST_SEEK_TYPE_NONE
        seekpos = 4744
        flush = 1
        seekstop = -1
        update = 1
        res = <optimized out>
        start = 780000000
        start_ts = 417959168
        rate = 1
        format = GST_FORMAT_TIME
        flags = GST_SEEK_FLAG_FLUSH
        accurate = <optimized out>
        stop = -1
        seeksegment = {flags = GST_SEGMENT_FLAG_RESET, rate = 1, 
          applied_rate = 1, format = GST_FORMAT_TIME, base = 0, offset = 0, 
          start = 780000000, stop = 18446744073709551615, time = 780000000, 
          position = 780000000, duration = 18446744073709551615, 
          _gst_reserved = {0x0, 0x0, 0x0, 0x0}}
#45 gst_base_parse_src_default (parse=0x7fff9c006810, event=0x30595e0)
    at gstbaseparse.c:1269
        res = 0
#46 0x00007ffff1397231 in gst_pad_send_event_unchecked (
    pad=pad@entry=0x2db5020, event=event@entry=0x30595e0, 
    type=type@entry=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4821
        ret = <optimized out>
        event_type = GST_EVENT_SEEK
        serialized = <optimized out>
        need_unlock = 0
        sticky = 0
        eventfunc = 0x7ffff163e500 <gst_base_parse_src_event>
        parent = 0x7fff9c006810
        __PRETTY_FUNCTION__ = "gst_pad_send_event_unchecked"
#47 0x00007ffff1397a6a in gst_pad_push_event_unchecked (
    pad=pad@entry=0x2db56b0, event=event@entry=0x30595e0, 
    type=type@entry=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4514
        ret = <optimized out>
        peerpad = 0x2db5020
        event_type = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_event_unchecked"
#48 0x00007ffff13a04e7 in gst_pad_push_event (pad=0x2db56b0, 
    event=event@entry=0x30595e0) at gstpad.c:4641
        ret = <optimized out>
        res = 0
        type = GST_PAD_PROBE_TYPE_EVENT_UPSTREAM
        sticky = 0
        serialized = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_event"
#49 0x00007ffff189a42f in gst_audio_decoder_src_eventfunc (event=0x30595e0, 
    dec=0x7fffa0014500) at gstaudiodecoder.c:1923
        rate = <optimized out>
        flags = <optimized out>
        start_type = <optimized out>
        stop_type = <optimized out>
        format = <optimized out>
        start = <optimized out>
        stop = <optimized out>
        tstart = <optimized out>
        tstop = <optimized out>
        seqnum = 391
        res = <optimized out>
#50 gst_audio_decoder_src_eventfunc (dec=0x7fffa0014500, event=0x30595e0)
    at gstaudiodecoder.c:1903
        res = <optimized out>
#51 0x00007ffff1397231 in gst_pad_send_event_unchecked (
    pad=pad@entry=0x2db58e0, event=event@entry=0x30595e0, 
    type=type@entry=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4821
        ret = <optimized out>
        event_type = GST_EVENT_SEEK
        serialized = <optimized out>
        need_unlock = 0
        sticky = 0
        eventfunc = 0x7ffff1897ef0 <gst_audio_decoder_src_event>
        parent = 0x7fffa0014500
        __PRETTY_FUNCTION__ = "gst_pad_send_event_unchecked"
#52 0x00007ffff1397a6a in gst_pad_push_event_unchecked (
    pad=pad@entry=0x7fff9c004700, event=event@entry=0x30595e0, 
    type=type@entry=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4514
        ret = <optimized out>
        peerpad = 0x2db58e0
        event_type = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_event_unchecked"
#53 0x00007ffff13a04e7 in gst_pad_push_event (pad=pad@entry=0x7fff9c004700, 
    event=0x30595e0) at gstpad.c:4641
        ret = <optimized out>
        res = 0
        type = GST_PAD_PROBE_TYPE_EVENT_UPSTREAM
        sticky = 0
        serialized = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_event"
#54 0x00007ffff13a071f in event_forward_func (pad=0x7fff9c004700, 
    data=0x7fffffffca30) at gstpad.c:2719
        __PRETTY_FUNCTION__ = "event_forward_func"
#55 0x00007ffff139d72b in gst_pad_forward (pad=0x7fffac017760, 
    forward=forward@entry=0x7ffff13a0640 <event_forward_func>, 
    user_data=user_data@entry=0x7fffffffca30) at gstpad.c:2673
        intpad = 0x7fff9c004700
        result = <optimized out>
        iter = 0x7fffbc6e7700
        done = <optimized out>
        item = {g_type = 6356128, data = {{v_int = -1677703424, 
              v_uint = 2617263872, v_long = 140735810651904, 
              v_ulong = 140735810651904, v_int64 = 140735810651904, 
              v_uint64 = 140735810651904, v_float = -4.24434127e-22, 
              v_double = 6.9532729182724335e-310, v_pointer = 0x7fff9c004700}, 
            {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, 
              v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}}
        pushed_pads = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_forward"
#56 0x00007ffff139de90 in gst_pad_event_default (pad=<optimized out>, 
    parent=<optimized out>, event=0x30595e0) at gstpad.c:2770
        data = {event = 0x30595e0, result = 0, dispatched = 0}
        result = <optimized out>
        forward = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_event_default"
#57 0x00007ffff1397231 in gst_pad_send_event_unchecked (
    pad=pad@entry=0x7fffac017760, event=event@entry=0x30595e0, 
    type=type@entry=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4821
        ret = <optimized out>
        event_type = GST_EVENT_SEEK
        serialized = <optimized out>
        need_unlock = 0
        sticky = 0
        eventfunc = 0x7ffff139dde0 <gst_pad_event_default>
        parent = 0x304d140
        __PRETTY_FUNCTION__ = "gst_pad_send_event_unchecked"
#58 0x00007ffff1397a6a in gst_pad_push_event_unchecked (
    pad=pad@entry=0x7fff9c004940, event=event@entry=0x30595e0, 
    type=type@entry=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4514
        ret = <optimized out>
        peerpad = 0x7fffac017760
        event_type = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_event_unchecked"
#59 0x00007ffff13a04e7 in gst_pad_push_event (pad=pad@entry=0x7fff9c004940, 
    event=0x30595e0) at gstpad.c:4641
        ret = <optimized out>
        res = 0
        type = GST_PAD_PROBE_TYPE_EVENT_UPSTREAM
        sticky = 0
        serialized = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_event"
#60 0x00007ffff13a071f in event_forward_func (pad=0x7fff9c004940, 
    data=0x7fffffffcd70) at gstpad.c:2719
        __PRETTY_FUNCTION__ = "event_forward_func"
#61 0x00007ffff139d72b in gst_pad_forward (pad=0x304dd20, 
    forward=forward@entry=0x7ffff13a0640 <event_forward_func>, 
    user_data=user_data@entry=0x7fffffffcd70) at gstpad.c:2673
        intpad = 0x7fff9c004940
        result = <optimized out>
        iter = 0x7fffbc6e7660
        done = <optimized out>
        item = {g_type = 6356128, data = {{v_int = -1677702848, 
              v_uint = 2617264448, v_long = 140735810652480, 
              v_ulong = 140735810652480, v_int64 = 140735810652480, 
              v_uint64 = 140735810652480, v_float = -4.24463208e-22, 
              v_double = 6.9532729183008916e-310, v_pointer = 0x7fff9c004940}, 
            {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, 
              v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}}
        pushed_pads = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_forward"
#62 0x00007ffff139de90 in gst_pad_event_default (pad=<optimized out>, 
    parent=<optimized out>, event=0x30595e0) at gstpad.c:2770
        data = {event = 0x30595e0, result = 0, dispatched = 0}
        result = <optimized out>
        forward = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_event_default"
#63 0x00007ffff1397231 in gst_pad_send_event_unchecked (
    pad=pad@entry=0x304dd20, event=event@entry=0x30595e0, 
    type=type@entry=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4821
        ret = <optimized out>
        event_type = GST_EVENT_SEEK
        serialized = <optimized out>
        need_unlock = 0
        sticky = 0
        eventfunc = 0x7ffff139dde0 <gst_pad_event_default>
        parent = 0x304cc80
        __PRETTY_FUNCTION__ = "gst_pad_send_event_unchecked"
#64 0x00007ffff1397a6a in gst_pad_push_event_unchecked (
    pad=pad@entry=0x30060b0, event=event@entry=0x30595e0, 
    type=type@entry=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4514
        ret = <optimized out>
        peerpad = 0x304dd20
        event_type = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_event_unchecked"
#65 0x00007ffff13a04e7 in gst_pad_push_event (pad=0x30060b0, 
    event=event@entry=0x30595e0) at gstpad.c:4641
        ret = <optimized out>
        res = 0
        type = GST_PAD_PROBE_TYPE_EVENT_UPSTREAM
        sticky = 0
        serialized = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_event"
#66 0x00007ffff16615d0 in gst_base_transform_src_eventfunc (trans=0x30483c0, 
    event=0x30595e0) at gstbasetransform.c:1897
        ret = -512
        __PRETTY_FUNCTION__ = "gst_base_transform_src_eventfunc"
#67 0x00007ffff1397231 in gst_pad_send_event_unchecked (
    pad=pad@entry=0x30062e0, event=event@entry=0x30595e0, 
    type=type@entry=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4821
        ret = <optimized out>
        event_type = GST_EVENT_SEEK
        serialized = <optimized out>
        need_unlock = 0
        sticky = 0
        eventfunc = 0x7ffff165c6b0 <gst_base_transform_src_event>
        parent = 0x30483c0
        __PRETTY_FUNCTION__ = "gst_pad_send_event_unchecked"
#68 0x00007ffff1397a6a in gst_pad_push_event_unchecked (
    pad=pad@entry=0x3006510, event=event@entry=0x30595e0, 
    type=type@entry=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4514
        ret = <optimized out>
        peerpad = 0x30062e0
        event_type = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_event_unchecked"
#69 0x00007ffff13a04e7 in gst_pad_push_event (pad=0x3006510, 
    event=event@entry=0x30595e0) at gstpad.c:4641
        ret = <optimized out>
        res = 0
        type = GST_PAD_PROBE_TYPE_EVENT_UPSTREAM
        sticky = 0
        serialized = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_event"
#70 0x00007ffff16615d0 in gst_base_transform_src_eventfunc (trans=0x31180c0, 
    event=0x30595e0) at gstbasetransform.c:1897
        ret = -512
        __PRETTY_FUNCTION__ = "gst_base_transform_src_eventfunc"
#71 0x00007ffff1397231 in gst_pad_send_event_unchecked (
    pad=pad@entry=0x3006740, event=event@entry=0x30595e0, 
    type=type@entry=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4821
        ret = <optimized out>
        event_type = GST_EVENT_SEEK
        serialized = <optimized out>
        need_unlock = 0
        sticky = 0
        eventfunc = 0x7ffff165c6b0 <gst_base_transform_src_event>
        parent = 0x31180c0
        __PRETTY_FUNCTION__ = "gst_pad_send_event_unchecked"
#72 0x00007ffff1397a6a in gst_pad_push_event_unchecked (
    pad=pad@entry=0x3006970, event=event@entry=0x30595e0, 
    type=type@entry=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4514
        ret = <optimized out>
        peerpad = 0x3006740
        event_type = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_event_unchecked"
#73 0x00007ffff13a04e7 in gst_pad_push_event (pad=0x3006970, 
    event=event@entry=0x30595e0) at gstpad.c:4641
        ret = <optimized out>
        res = 0
        type = GST_PAD_PROBE_TYPE_EVENT_UPSTREAM
        sticky = 0
        serialized = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_event"
#74 0x00007ffff16615d0 in gst_base_transform_src_eventfunc (trans=0x31186e0, 
    event=0x30595e0) at gstbasetransform.c:1897
        ret = -512
        __PRETTY_FUNCTION__ = "gst_base_transform_src_eventfunc"
#75 0x00007ffff1397231 in gst_pad_send_event_unchecked (
    pad=pad@entry=0x3006ba0, event=event@entry=0x30595e0, 
    type=type@entry=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4821
        ret = <optimized out>
        event_type = GST_EVENT_SEEK
        serialized = <optimized out>
        need_unlock = 0
        sticky = 0
        eventfunc = 0x7ffff165c6b0 <gst_base_transform_src_event>
        parent = 0x31186e0
        __PRETTY_FUNCTION__ = "gst_pad_send_event_unchecked"
#76 0x00007ffff1397a6a in gst_pad_push_event_unchecked (
    pad=pad@entry=0x3006dd0, event=event@entry=0x30595e0, 
    type=type@entry=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4514
        ret = <optimized out>
        peerpad = 0x3006ba0
        event_type = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_event_unchecked"
#77 0x00007ffff13a04e7 in gst_pad_push_event (pad=0x3006dd0, 
    event=event@entry=0x30595e0) at gstpad.c:4641
        ret = <optimized out>
        res = 0
        type = GST_PAD_PROBE_TYPE_EVENT_UPSTREAM
        sticky = 0
        serialized = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_event"
#78 0x00007ffff16615d0 in gst_base_transform_src_eventfunc (trans=0x310ecb0, 
    event=0x30595e0) at gstbasetransform.c:1897
        ret = -512
        __PRETTY_FUNCTION__ = "gst_base_transform_src_eventfunc"
#79 0x00007ffff1397231 in gst_pad_send_event_unchecked (
    pad=pad@entry=0x3007000, event=event@entry=0x30595e0, 
    type=type@entry=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4821
        ret = <optimized out>
        event_type = GST_EVENT_SEEK
        serialized = <optimized out>
        need_unlock = 0
        sticky = 0
        eventfunc = 0x7ffff165c6b0 <gst_base_transform_src_event>
        parent = 0x310ecb0
        __PRETTY_FUNCTION__ = "gst_pad_send_event_unchecked"
#80 0x00007ffff1397a6a in gst_pad_push_event_unchecked (
    pad=pad@entry=0x3007690, event=event@entry=0x30595e0, 
    type=type@entry=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4514
        ret = <optimized out>
        peerpad = 0x3007000
        event_type = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_event_unchecked"
#81 0x00007ffff13a04e7 in gst_pad_push_event (pad=0x3007690, event=0x30595e0)
    at gstpad.c:4641
        ret = <optimized out>
        res = 0
        type = GST_PAD_PROBE_TYPE_EVENT_UPSTREAM
        sticky = 0
        serialized = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_event"
#82 0x00007ffff1397231 in gst_pad_send_event_unchecked (
    pad=pad@entry=0x30078c0, event=event@entry=0x30595e0, 
    type=type@entry=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4821
        ret = <optimized out>
        event_type = GST_EVENT_SEEK
        serialized = <optimized out>
        need_unlock = 0
        sticky = 0
        eventfunc = 0x7fffc0257b10 <gst_queue_handle_src_event>
        parent = 0x30562f0
        __PRETTY_FUNCTION__ = "gst_pad_send_event_unchecked"
#83 0x00007ffff1397a6a in gst_pad_push_event_unchecked (
    pad=pad@entry=0x3007230, event=event@entry=0x30595e0, 
    type=type@entry=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4514
        ret = <optimized out>
        peerpad = 0x30078c0
        event_type = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_event_unchecked"
#84 0x00007ffff13a04e7 in gst_pad_push_event (pad=0x3007230, 
    event=event@entry=0x30595e0) at gstpad.c:4641
        ret = <optimized out>
        res = 0
        type = GST_PAD_PROBE_TYPE_EVENT_UPSTREAM
        sticky = 0
        serialized = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_event"
#85 0x00007ffff16615d0 in gst_base_transform_src_eventfunc (trans=0x3046c00, 
    event=0x30595e0) at gstbasetransform.c:1897
        ret = -512
        __PRETTY_FUNCTION__ = "gst_base_transform_src_eventfunc"
#86 0x00007ffff1397231 in gst_pad_send_event_unchecked (
    pad=pad@entry=0x3007460, event=event@entry=0x30595e0, type=<optimized out>)
    at gstpad.c:4821
        ret = <optimized out>
        event_type = GST_EVENT_SEEK
        serialized = <optimized out>
        need_unlock = 0
        sticky = 0
        eventfunc = 0x7ffff165c6b0 <gst_base_transform_src_event>
        parent = 0x3046c00
        __PRETTY_FUNCTION__ = "gst_pad_send_event_unchecked"
#87 0x00007ffff13a08b7 in gst_pad_send_event (pad=0x3007460, event=0x30595e0)
    at gstpad.c:4983
        result = -512
        type = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_send_event"
#88 0x00007ffff7b6b28a in perform_seek (stream=stream@entry=0x3016030)
    at rb-player-gst-xfade.c:1189
        event = <optimized out>
        __FUNCTION__ = "perform_seek"
#89 0x00007ffff7b6b369 in perform_seek_idle (stream=0x3016030)
    at rb-player-gst-xfade.c:1212
No locals.
#90 0x00007ffff6c8da95 in g_main_dispatch (context=0x615600)
    at /build/buildd/glib2.0-2.34.3/./glib/gmain.c:2715
        dispatch = 0x7ffff6c8ae40 <g_idle_dispatch>
        was_in_call = 0
        user_data = 0x3016030
        callback = 0x7ffff7b6b360 <perform_seek_idle>
        cb_funcs = 0x7ffff6f3b9e0 <g_source_callback_funcs>
        cb_data = 0x2d9b5f0
        current_source_link = {data = 0x308a5a0, next = 0x0}
        need_destroy = <optimized out>
        source = 0x308a5a0
        current = 0x7ca120
        i = <optimized out>
#91 g_main_context_dispatch (context=context@entry=0x615600)
    at /build/buildd/glib2.0-2.34.3/./glib/gmain.c:3219
No locals.
#92 0x00007ffff6c8ddc8 in g_main_context_iterate (
    context=context@entry=0x615600, block=block@entry=1, 
    dispatch=dispatch@entry=1, self=<optimized out>)
    at /build/buildd/glib2.0-2.34.3/./glib/gmain.c:3290
        max_priority = 200
        timeout = 0
        some_ready = 1
        nfds = <optimized out>
        allocated_nfds = <optimized out>
        fds = 0x2dd8090
#93 0x00007ffff6c8de84 in g_main_context_iteration (context=0x615600, 
    context@entry=0x0, may_block=may_block@entry=1)
    at /build/buildd/glib2.0-2.34.3/./glib/gmain.c:3351
        retval = <optimized out>
#94 0x00007ffff722671c in g_application_run (application=0xa02040, 
    argc=argc@entry=1, argv=argv@entry=0x7fffffffdf78)
    at /build/buildd/glib2.0-2.34.3/./gio/gapplication.c:1624
        arguments = 0x9fc170
        status = -512
        i = <optimized out>
        __PRETTY_FUNCTION__ = "g_application_run"
#95 0x0000000000400f97 in main (argc=1, argv=0x7fffffffdf78) at main.c:110
        shell = 0xa02040
        autostarted = 0
        desktop_file_path = <optimized out>
        new_argc = 1
        new_argv = 0x7fffffffdf78

==========

info registers

rax            0xfffffffffffffe00	-512
rbx            0x3007930	50362672
rcx            0xffffffffffffffff	-1
rdx            0x2	2
rsi            0x80	128
rdi            0x22b4c30	36391984
rbp            0x30078d8	0x30078d8
rsp            0x7fffffffa898	0x7fffffffa898
r8             0x22b4c30	36391984
r9             0x1cf4	7412
r10            0x0	0
r11            0x202	514
r12            0x7ffff162c110	140737243169040
r13            0x0	0
r14            0x0	0
r15            0x0	0
rip            0x7ffff6a3780c	0x7ffff6a3780c <__lll_lock_wait+28>
eflags         0x202	[ IF ]
cs             0x33	51
ss             0x2b	43
ds             0x0	0
es             0x0	0
fs             0x0	0
gs             0x0	0

==============

x/16i $pc

=> 0x7ffff6a3780c <__lll_lock_wait+28>:	mov    %edx,%eax
   0x7ffff6a3780e <__lll_lock_wait+30>:	xchg   %eax,(%rdi)
   0x7ffff6a37810 <__lll_lock_wait+32>:	test   %eax,%eax
   0x7ffff6a37812 <__lll_lock_wait+34>:	
    jne    0x7ffff6a37805 <__lll_lock_wait+21>
   0x7ffff6a37814 <__lll_lock_wait+36>:	pop    %rdx
   0x7ffff6a37815 <__lll_lock_wait+37>:	pop    %r10
   0x7ffff6a37817 <__lll_lock_wait+39>:	retq   
   0x7ffff6a37818:	nopl   0x0(%rax,%rax,1)
   0x7ffff6a37820 <__lll_timedlock_wait>:	
    cmpl   $0x0,0x20dba9(%rip)        # 0x7ffff6c453d0 <__have_futex_clock_realtime>
   0x7ffff6a37827 <__lll_timedlock_wait+7>:	
    je     0x7ffff6a37874 <__lll_timedlock_wait+84>
   0x7ffff6a37829 <__lll_timedlock_wait+9>:	cmpq   $0x0,(%rdx)
   0x7ffff6a3782d <__lll_timedlock_wait+13>:	
    js     0x7ffff6a3786e <__lll_timedlock_wait+78>
   0x7ffff6a3782f <__lll_timedlock_wait+15>:	push   %r9
   0x7ffff6a37831 <__lll_timedlock_wait+17>:	mov    %rdx,%r10
   0x7ffff6a37834 <__lll_timedlock_wait+20>:	mov    $0xffffffff,%r9d
   0x7ffff6a3783a <__lll_timedlock_wait+26>:	xor    $0x189,%esi


============


Thread 20 (Thread 0x7fffb1ec6700 (LWP 7445)):
#0  pthread_cond_wait@@GLIBC_2.3.2 ()
    at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:168
No locals.
#1  0x00007ffff6ccb07f in g_cond_wait (cond=cond@entry=0x2dae4e0, 
    mutex=mutex@entry=0x2dae498)
    at /build/buildd/glib2.0-2.34.3/./glib/gthread-posix.c:748
        _g_boolean_var_ = <optimized out>
        status = <optimized out>
#2  0x00007ffff13c6d53 in gst_task_func (task=0x2dae480) at gsttask.c:301
        lock = 0x2db4e60
        tself = 0x6390f0
        priv = 0x2dae550
        __PRETTY_FUNCTION__ = "gst_task_func"
#3  0x00007ffff6cb1e52 in g_thread_pool_thread_proxy (data=<optimized out>)
    at /build/buildd/glib2.0-2.34.3/./glib/gthreadpool.c:309
        task = 0x30f74a0
        pool = 0x6299f0
#4  0x00007ffff6cb1635 in g_thread_proxy (data=0x6390f0)
    at /build/buildd/glib2.0-2.34.3/./glib/gthread.c:797
        thread = 0x6390f0
#5  0x00007ffff6a30f9f in start_thread (arg=0x7fffb1ec6700)
    at pthread_create.c:311
        __res = <optimized out>
        pd = 0x7fffb1ec6700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140736178448128, 
                -4126776524833835529, 1, 140737354125408, 140736189041712, 
                4096, 4126947922887292407, 4126796836286871031}, 
              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"
#6  0x00007ffff675e0cd in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:114
No locals.

Thread 19 (Thread 0x7fffb28e2700 (LWP 7444)):
#0  pthread_cond_wait@@GLIBC_2.3.2 ()
    at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:168
No locals.
#1  0x00007ffff6ccb07f in g_cond_wait (cond=cond@entry=0x2df84e0, 
    mutex=mutex@entry=0x2df8498)
    at /build/buildd/glib2.0-2.34.3/./glib/gthread-posix.c:748
        _g_boolean_var_ = <optimized out>
        status = <optimized out>
#2  0x00007ffff13c6d53 in gst_task_func (task=0x2df8480) at gsttask.c:301
        lock = 0x2db47d0
        tself = 0x7fffac033720
        priv = 0x2df8550
        __PRETTY_FUNCTION__ = "gst_task_func"
#3  0x00007ffff6cb1e52 in g_thread_pool_thread_proxy (data=<optimized out>)
    at /build/buildd/glib2.0-2.34.3/./glib/gthreadpool.c:309
        task = 0x2dd3b10
        pool = 0x6299f0
#4  0x00007ffff6cb1635 in g_thread_proxy (data=0x7fffac033720)
    at /build/buildd/glib2.0-2.34.3/./glib/gthread.c:797
        thread = 0x7fffac033720
#5  0x00007ffff6a30f9f in start_thread (arg=0x7fffb28e2700)
    at pthread_create.c:311
        __res = <optimized out>
        pd = 0x7fffb28e2700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140736189048576, 
                -4126776524833835529, 1, 140737354125408, 140736210140368, 
                4096, 4126945983709558263, 4126796836286871031}, 
              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"
#6  0x00007ffff675e0cd in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:114
No locals.

Thread 18 (Thread 0x7fffb3500700 (LWP 7443)):
#0  pthread_cond_wait@@GLIBC_2.3.2 ()
    at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:144
No locals.
#1  0x00007fffbab82180 in pa_threaded_mainloop_wait (m=0x20d15a0)
    at pulse/thread-mainloop.c:206
        __func__ = "pa_threaded_mainloop_wait"
        __PRETTY_FUNCTION__ = "pa_threaded_mainloop_wait"
#2  0x00007fffbadc4bfb in gst_pulseringbuffer_commit (buf=0x305a030, 
    sample=0x7fffb34ff4b8, data=0x7fffa80169d4 "", in_samples=475, 
    out_samples=475, accum=0x7fffb34ff47c) at pulsesink.c:1476
        avail = <optimized out>
        towrite = 1764
        psink = 0x304e480
        pbuf = 0x305a030
        result = <optimized out>
        data_end = 0x7fffa801713c ""
        reverse = 0
        toprocess = 0x7fffb34ff2fc
        inr = 1023
        outr = 1023
        bpf = 4
        offset = 6613136
        bufsize = <optimized out>
        __FUNCTION__ = "gst_pulseringbuffer_commit"
#3  0x00007ffff18a6109 in gst_audio_base_sink_render (bsink=0x304e480, 
    buf=0x7fffa800c440) at gstaudiobasesink.c:1892
        in_offset = <optimized out>
        time = <optimized out>
        stop = 37500226756
        render_start = 1652735
        render_stop = 1653759
        sample_offset = 1653284
        sync_offset = <optimized out>
        ts_offset = <optimized out>
        bclass = <optimized out>
        sink = 0x304e480
        ringbuf = 0x305a030
        diff = <optimized out>
        align = 0
        ctime = 37477006802
        cstop = 37500226756
        offset = 0
        info = {memory = 0x7fffa80160b0, flags = GST_MAP_READ, 
          data = 0x7fffa8016140 "", size = 4096, maxsize = 4110, user_data = {
            0x7fffb34ff520, 0x7ffff7ffba25 <gettimeofday+309>, 0x800000000, 
            0x7fffb34ff79c}, _gst_reserved = {0x8b9cdbdd2, 0x8bb300cc5, 0x6, 
            0x304e498}}
        size = <optimized out>
        samples = 1024
        written = <optimized out>
        bpf = 4
        rate = 44100
        accum = 0
        out_samples = 1024
        base_time = 0
        render_delay = <optimized out>
        latency = <optimized out>
        clock = <optimized out>
        sync = <optimized out>
        align_next = 1
        ret = <optimized out>
        clip_seg = {flags = (GST_SEGMENT_FLAG_RESET | unknown: 36), 
          rate = 6.9532922411067206e-310, 
          applied_rate = 6.9531436082559078e-310, format = GST_FORMAT_TIME, 
          base = 0, offset = 140737333997105, start = 0, 
          stop = 18446744073709551615, time = 6356128, position = 0, 
          duration = 18446744073709551615, _gst_reserved = {0x8bb300cc5, 
            0x8b9cdbdd2, 0x8bb300cc5, 0x7fffa800c110}}
        time_offset = <optimized out>
        out = 0x7fffa800c440
        __FUNCTION__ = "gst_audio_base_sink_render"
#4  0x00007ffff165292b in gst_base_sink_chain_unlocked (
    basesink=basesink@entry=0x304e480, obj=obj@entry=0x7fffa800c440, 
    is_list=0, pad=<optimized out>) at gstbasesink.c:3215
        bclass = 0x314d090
        priv = 0x304e7f0
        ret = GST_FLOW_OK
        start = 37477006802
        end = 37500226757
        segment = 0x304e5d8
        sync_buf = 0x7fffa800c440
        do_qos = 0
        late = 0
        step_end = 0
#5  0x00007ffff1653edc in gst_base_sink_chain_main (basesink=0x304e480, 
    pad=<optimized out>, obj=0x7fffa800c440, is_list=<optimized out>)
    at gstbasesink.c:3323
        result = <optimized out>
#6  0x00007ffff139916a in gst_pad_chain_data_unchecked (data=0x7fffa800c440, 
    type=<optimized out>, pad=0x3039190) at gstpad.c:3654
        chainfunc = 0x7ffff1654040 <gst_base_sink_chain>
        ret = <optimized out>
        parent = 0x304e480
#7  gst_pad_push_data (pad=pad@entry=0x3042490, type=type@entry=4112, 
    data=<optimized out>, data@entry=0x7fffa800c440) at gstpad.c:3871
        peer = 0x3039190
        ret = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_data"
#8  0x00007ffff139f9a6 in gst_pad_push (pad=pad@entry=0x3042490, 
    buffer=buffer@entry=0x7fffa800c440) at gstpad.c:3974
        __PRETTY_FUNCTION__ = "gst_pad_push"
#9  0x00007ffff138ac9b in gst_proxy_pad_chain_default (pad=<optimized out>, 
    parent=<optimized out>, buffer=0x7fffa800c440) at gstghostpad.c:128
        res = <optimized out>
        internal = 0x3042490
        __PRETTY_FUNCTION__ = "gst_proxy_pad_chain_default"
#10 0x00007ffff139916a in gst_pad_chain_data_unchecked (data=0x7fffa800c440, 
    type=<optimized out>, pad=0x304c560) at gstpad.c:3654
        chainfunc = 0x7ffff138abe0 <gst_proxy_pad_chain_default>
        ret = <optimized out>
        parent = 0x1db91c0
#11 gst_pad_push_data (pad=0xb5db60, type=type@entry=4112, 
    data=<optimized out>, data@entry=0x7fffa800c440) at gstpad.c:3871
        peer = 0x304c560
        ret = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_data"
#12 0x00007ffff139f9a6 in gst_pad_push (pad=<optimized out>, 
    buffer=buffer@entry=0x7fffa800c440) at gstpad.c:3974
        __PRETTY_FUNCTION__ = "gst_pad_push"
#13 0x00007fffc025ad9c in gst_queue_push_one (queue=0x3056010)
    at gstqueue.c:1045
        buffer = 0x7fffa800c440
        data = <optimized out>
        result = GST_FLOW_OK
#14 gst_queue_loop (pad=<optimized out>) at gstqueue.c:1161
        queue = 0x3056010
        ret = GST_FLOW_OK
        __PRETTY_FUNCTION__ = "gst_queue_loop"
#15 0x00007ffff13c6b91 in gst_task_func (task=0x2d83000) at gsttask.c:316
        lock = 0xb5dbd0
        tself = 0x3046a30
        priv = 0x2d830d0
        __PRETTY_FUNCTION__ = "gst_task_func"
#16 0x00007ffff6cb1e52 in g_thread_pool_thread_proxy (data=<optimized out>)
    at /build/buildd/glib2.0-2.34.3/./glib/gthreadpool.c:309
        task = 0x2dabaa0
        pool = 0x6299f0
#17 0x00007ffff6cb1635 in g_thread_proxy (data=0x3046a30)
    at /build/buildd/glib2.0-2.34.3/./glib/gthread.c:797
        thread = 0x3046a30
#18 0x00007ffff6a30f9f in start_thread (arg=0x7fffb3500700)
    at pthread_create.c:311
        __res = <optimized out>
        pd = 0x7fffb3500700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140736201754368, 
                -4126776524833835529, 1, 140737354125408, 140737488337712, 
                4096, 4126942138640086519, 4126796836286871031}, 
              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"
#19 0x00007ffff675e0cd in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:114
No locals.

Thread 17 (Thread 0x7fffb3d01700 (LWP 7442)):
#0  pthread_cond_wait@@GLIBC_2.3.2 ()
    at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:168
No locals.
#1  0x00007ffff6ccb07f in g_cond_wait (cond=cond@entry=0x2d83180, 
    mutex=mutex@entry=0x2d83138)
    at /build/buildd/glib2.0-2.34.3/./glib/gthread-posix.c:748
        _g_boolean_var_ = <optimized out>
        status = <optimized out>
#2  0x00007ffff13c6d53 in gst_task_func (task=0x2d83120) at gsttask.c:301
        lock = 0x3007d90
        tself = 0x30469e0
        priv = 0x2d831f0
        __PRETTY_FUNCTION__ = "gst_task_func"
#3  0x00007ffff6cb1e52 in g_thread_pool_thread_proxy (data=<optimized out>)
    at /build/buildd/glib2.0-2.34.3/./glib/gthreadpool.c:309
        task = 0x1e4da40
        pool = 0x6299f0
#4  0x00007ffff6cb1635 in g_thread_proxy (data=0x30469e0)
    at /build/buildd/glib2.0-2.34.3/./glib/gthread.c:797
        thread = 0x30469e0
#5  0x00007ffff6a30f9f in start_thread (arg=0x7fffb3d01700)
    at pthread_create.c:311
        __res = <optimized out>
        pd = 0x7fffb3d01700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140736210147072, 
                -4126776524833835529, 1, 140737354125408, 140737488338272, 
                4096, 4126943492091655671, 4126796836286871031}, 
              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"
#6  0x00007ffff675e0cd in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:114
No locals.

Thread 16 (Thread 0x7fffb4502700 (LWP 7441)):
#0  pthread_cond_wait@@GLIBC_2.3.2 ()
    at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:168
No locals.
#1  0x00007ffff6ccb07f in g_cond_wait (cond=cond@entry=0x30562c8, 
    mutex=mutex@entry=0x30562a0)
    at /build/buildd/glib2.0-2.34.3/./glib/gthread-posix.c:748
        _g_boolean_var_ = <optimized out>
        status = <optimized out>
#2  0x00007fffc025bde5 in gst_queue_chain (pad=<optimized out>, 
    parent=0x3056010, buffer=0x7fffa800cdd0) at gstqueue.c:941
        queue = 0x3056010
        duration = <optimized out>
        timestamp = <optimized out>
        __PRETTY_FUNCTION__ = "gst_queue_chain"
#3  0x00007ffff139916a in gst_pad_chain_data_unchecked (data=0x7fffa800cdd0, 
    type=<optimized out>, pad=0xb5d930) at gstpad.c:3654
        chainfunc = 0x7fffc025b990 <gst_queue_chain>
        ret = <optimized out>
        parent = 0x3056010
#4  gst_pad_push_data (pad=0x30426d0, type=<optimized out>, 
    data=<optimized out>) at gstpad.c:3871
        peer = 0xb5d930
        ret = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_data"
#5  0x00007fffc0266a5e in gst_tee_chain (pad=<optimized out>, 
    parent=0x17fb2a0, buffer=0x7fffa800cdd0) at gsttee.c:699
        res = <optimized out>
        tee = 0x17fb2a0
        __PRETTY_FUNCTION__ = "gst_tee_chain"
#6  0x00007ffff139916a in gst_pad_chain_data_unchecked (data=0x7fffa800cdd0, 
    type=<optimized out>, pad=0xb5d700) at gstpad.c:3654
        chainfunc = 0x7fffc02669f0 <gst_tee_chain>
        ret = <optimized out>
        parent = 0x17fb2a0
#7  gst_pad_push_data (pad=0x3038d30, type=type@entry=4112, 
    data=<optimized out>) at gstpad.c:3871
        peer = 0xb5d700
        ret = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_data"
#8  0x00007ffff139f9a6 in gst_pad_push (pad=<optimized out>, 
    buffer=<optimized out>) at gstpad.c:3974
        __PRETTY_FUNCTION__ = "gst_pad_push"
#9  0x00007ffff1660e65 in gst_base_transform_chain (pad=<optimized out>, 
    parent=0x310e670, buffer=<optimized out>) at gstbasetransform.c:2203
        position_out = <optimized out>
        trans = 0x310e670
        klass = <optimized out>
        priv = 0x310e8c0
        ret = <optimized out>
        position = 37755646258
        timestamp = <optimized out>
        duration = <optimized out>
        outbuf = 0x7fffa800cdd0
        __PRETTY_FUNCTION__ = "gst_base_transform_chain"
#10 0x00007ffff139916a in gst_pad_chain_data_unchecked (data=0x7fffa800cdd0, 
    type=<optimized out>, pad=0x3038b00) at gstpad.c:3654
        chainfunc = 0x7ffff1660cc0 <gst_base_transform_chain>
        ret = <optimized out>
        parent = 0x310e670
#11 gst_pad_push_data (pad=0xb5d4d0, type=type@entry=4112, 
    data=<optimized out>) at gstpad.c:3871
        peer = 0x3038b00
        ret = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_data"
#12 0x00007ffff139f9a6 in gst_pad_push (pad=<optimized out>, 
    buffer=<optimized out>) at gstpad.c:3974
        __PRETTY_FUNCTION__ = "gst_pad_push"
#13 0x00007ffff1660e65 in gst_base_transform_chain (pad=<optimized out>, 
    parent=0x308e4f0, buffer=<optimized out>) at gstbasetransform.c:2203
        position_out = <optimized out>
        trans = 0x308e4f0
        klass = <optimized out>
        priv = 0x308ea40
        ret = <optimized out>
        position = 37755646258
        timestamp = <optimized out>
        duration = <optimized out>
        outbuf = 0x7fffa800cdd0
        __PRETTY_FUNCTION__ = "gst_base_transform_chain"
#14 0x00007ffff139916a in gst_pad_chain_data_unchecked (data=0x7fffa800cdd0, 
    type=<optimized out>, pad=0xb5d2a0) at gstpad.c:3654
        chainfunc = 0x7ffff1660cc0 <gst_base_transform_chain>
        ret = <optimized out>
        parent = 0x308e4f0
#15 gst_pad_push_data (pad=0xb5d070, type=type@entry=4112, 
    data=<optimized out>) at gstpad.c:3871
        peer = 0xb5d2a0
        ret = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_data"
#16 0x00007ffff139f9a6 in gst_pad_push (pad=<optimized out>, 
    buffer=<optimized out>) at gstpad.c:3974
        __PRETTY_FUNCTION__ = "gst_pad_push"
#17 0x00007ffff1660e65 in gst_base_transform_chain (pad=<optimized out>, 
    parent=0x3110d40, buffer=<optimized out>) at gstbasetransform.c:2203
        position_out = <optimized out>
        trans = 0x3110d40
        klass = <optimized out>
        priv = 0x3111280
        ret = <optimized out>
        position = 37755646258
        timestamp = <optimized out>
        duration = <optimized out>
        outbuf = 0x7fffa800cdd0
        __PRETTY_FUNCTION__ = "gst_base_transform_chain"
#18 0x00007ffff139916a in gst_pad_chain_data_unchecked (data=0x7fffa800cdd0, 
    type=<optimized out>, pad=0xb5ce40) at gstpad.c:3654
        chainfunc = 0x7ffff1660cc0 <gst_base_transform_chain>
        ret = <optimized out>
        parent = 0x3110d40
#19 gst_pad_push_data (pad=pad@entry=0x304c300, type=type@entry=4112, 
    data=<optimized out>, data@entry=0x7fffa800cdd0) at gstpad.c:3871
        peer = 0xb5ce40
        ret = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_data"
#20 0x00007ffff139f9a6 in gst_pad_push (pad=pad@entry=0x304c300, 
    buffer=buffer@entry=0x7fffa800cdd0) at gstpad.c:3974
        __PRETTY_FUNCTION__ = "gst_pad_push"
#21 0x00007ffff138ac9b in gst_proxy_pad_chain_default (pad=<optimized out>, 
    parent=<optimized out>, buffer=0x7fffa800cdd0) at gstghostpad.c:128
        res = <optimized out>
        internal = 0x304c300
        __PRETTY_FUNCTION__ = "gst_proxy_pad_chain_default"
#22 0x00007ffff139916a in gst_pad_chain_data_unchecked (data=0x7fffa800cdd0, 
    type=<optimized out>, pad=0x3042250) at gstpad.c:3654
        chainfunc = 0x7ffff138abe0 <gst_proxy_pad_chain_default>
        ret = <optimized out>
        parent = 0x304c300
#23 gst_pad_push_data (pad=0x30388d0, type=type@entry=4112, 
    data=<optimized out>) at gstpad.c:3871
        peer = 0x3042250
        ret = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_data"
#24 0x00007ffff139f9a6 in gst_pad_push (pad=<optimized out>, 
    buffer=<optimized out>) at gstpad.c:3974
        __PRETTY_FUNCTION__ = "gst_pad_push"
#25 0x00007ffff1660e65 in gst_base_transform_chain (pad=<optimized out>, 
    parent=0x3048040, buffer=<optimized out>) at gstbasetransform.c:2203
        position_out = <optimized out>
        trans = 0x3048040
        klass = <optimized out>
        priv = 0x30482f0
        ret = <optimized out>
        position = 37755646258
        timestamp = <optimized out>
        duration = <optimized out>
        outbuf = 0x7fffa800cdd0
        __PRETTY_FUNCTION__ = "gst_base_transform_chain"
#26 0x00007ffff139916a in gst_pad_chain_data_unchecked (data=0x7fffa800cdd0, 
    type=<optimized out>, pad=0x30386a0) at gstpad.c:3654
        chainfunc = 0x7ffff1660cc0 <gst_base_transform_chain>
        ret = <optimized out>
        parent = 0x3048040
#27 gst_pad_push_data (pad=0x3038470, type=type@entry=4112, 
    data=<optimized out>) at gstpad.c:3871
        peer = 0x30386a0
        ret = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_data"
#28 0x00007ffff139f9a6 in gst_pad_push (pad=<optimized out>, 
    buffer=<optimized out>) at gstpad.c:3974
        __PRETTY_FUNCTION__ = "gst_pad_push"
#29 0x00007ffff1660e65 in gst_base_transform_chain (pad=<optimized out>, 
    parent=0x2daa4e0, buffer=<optimized out>) at gstbasetransform.c:2203
        position_out = <optimized out>
        trans = 0x2daa4e0
        klass = <optimized out>
        priv = 0x2daaa20
        ret = <optimized out>
        position = 37755646258
        timestamp = <optimized out>
        duration = <optimized out>
        outbuf = 0x7fffa800cdd0
        __PRETTY_FUNCTION__ = "gst_base_transform_chain"
#30 0x00007ffff139916a in gst_pad_chain_data_unchecked (data=0x7fffa800cdd0, 
    type=<optimized out>, pad=0x3038240) at gstpad.c:3654
        chainfunc = 0x7ffff1660cc0 <gst_base_transform_chain>
        ret = <optimized out>
        parent = 0x2daa4e0
#31 gst_pad_push_data (pad=pad@entry=0x3042010, type=type@entry=4112, 
    data=<optimized out>, data@entry=0x7fffa800cdd0) at gstpad.c:3871
        peer = 0x3038240
        ret = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_data"
#32 0x00007ffff139f9a6 in gst_pad_push (pad=pad@entry=0x3042010, 
    buffer=buffer@entry=0x7fffa800cdd0) at gstpad.c:3974
        __PRETTY_FUNCTION__ = "gst_pad_push"
#33 0x00007ffff138ac9b in gst_proxy_pad_chain_default (pad=<optimized out>, 
    parent=<optimized out>, buffer=0x7fffa800cdd0) at gstghostpad.c:128
        res = <optimized out>
        internal = 0x3042010
        __PRETTY_FUNCTION__ = "gst_proxy_pad_chain_default"
#34 0x00007ffff139916a in gst_pad_chain_data_unchecked (data=0x7fffa800cdd0, 
    type=<optimized out>, pad=0x304c0a0) at gstpad.c:3654
        chainfunc = 0x7ffff138abe0 <gst_proxy_pad_chain_default>
        ret = <optimized out>
        parent = 0x1dc1710
#35 gst_pad_push_data (pad=0x3038010, type=type@entry=4112, 
    data=<optimized out>) at gstpad.c:3871
        peer = 0x304c0a0
        ret = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_data"
#36 0x00007ffff139f9a6 in gst_pad_push (pad=<optimized out>, 
    buffer=<optimized out>) at gstpad.c:3974
        __PRETTY_FUNCTION__ = "gst_pad_push"
#37 0x00007ffff1660e65 in gst_base_transform_chain (pad=<optimized out>, 
    parent=0x2daa000, buffer=<optimized out>) at gstbasetransform.c:2203
        position_out = <optimized out>
        trans = 0x2daa000
        klass = <optimized out>
        priv = 0x2daa400
        ret = <optimized out>
        position = 37755646258
        timestamp = <optimized out>
        duration = <optimized out>
        outbuf = 0x7fffa800cdd0
        __PRETTY_FUNCTION__ = "gst_base_transform_chain"
#38 0x00007ffff139916a in gst_pad_chain_data_unchecked (data=0x7fffa800cdd0, 
    type=<optimized out>, pad=0xb5dd90) at gstpad.c:3654
        chainfunc = 0x7ffff1660cc0 <gst_base_transform_chain>
        ret = <optimized out>
        parent = 0x2daa000
#39 gst_pad_push_data (pad=0xb5cc10, type=type@entry=4112, 
    data=<optimized out>) at gstpad.c:3871
        peer = 0xb5dd90
        ret = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_data"
#40 0x00007ffff139f9a6 in gst_pad_push (pad=<optimized out>, 
    buffer=<optimized out>) at gstpad.c:3974
        __PRETTY_FUNCTION__ = "gst_pad_push"
#41 0x00007ffff1660e65 in gst_base_transform_chain (pad=<optimized out>, 
    parent=0x310e350, buffer=<optimized out>) at gstbasetransform.c:2203
        position_out = <optimized out>
        trans = 0x310e350
        klass = <optimized out>
        priv = 0x310e5a0
        ret = <optimized out>
        position = 37755646258
        timestamp = <optimized out>
        duration = <optimized out>
        outbuf = 0x7fffa800cdd0
        __PRETTY_FUNCTION__ = "gst_base_transform_chain"
#42 0x00007ffff139916a in gst_pad_chain_data_unchecked (data=0x7fffa800cdd0, 
    type=<optimized out>, pad=0xb5c9e0) at gstpad.c:3654
        chainfunc = 0x7ffff1660cc0 <gst_base_transform_chain>
        ret = <optimized out>
        parent = 0x310e350
#43 gst_pad_push_data (pad=pad@entry=0x3042910, type=type@entry=4112, 
    data=<optimized out>, data@entry=0x7fffa800cdd0) at gstpad.c:3871
        peer = 0xb5c9e0
        ret = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_data"
#44 0x00007ffff139f9a6 in gst_pad_push (pad=pad@entry=0x3042910, 
    buffer=buffer@entry=0x7fffa800cdd0) at gstpad.c:3974
        __PRETTY_FUNCTION__ = "gst_pad_push"
#45 0x00007ffff138ac9b in gst_proxy_pad_chain_default (pad=<optimized out>, 
    parent=<optimized out>, buffer=0x7fffa800cdd0) at gstghostpad.c:128
        res = <optimized out>
        internal = 0x3042910
        __PRETTY_FUNCTION__ = "gst_proxy_pad_chain_default"
#46 0x00007ffff139916a in gst_pad_chain_data_unchecked (data=0x7fffa800cdd0, 
    type=<optimized out>, pad=0x304c7c0) at gstpad.c:3654
        chainfunc = 0x7ffff138abe0 <gst_proxy_pad_chain_default>
        ret = <optimized out>
        parent = 0x1dc18b0
#47 gst_pad_push_data (pad=0xb5c7b0, type=type@entry=4112, 
    data=<optimized out>, data@entry=0x7fffa800cdd0) at gstpad.c:3871
        peer = 0x304c7c0
        ret = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_data"
#48 0x00007ffff139f9a6 in gst_pad_push (pad=<optimized out>, 
    buffer=buffer@entry=0x7fffa800cdd0) at gstpad.c:3974
        __PRETTY_FUNCTION__ = "gst_pad_push"
#49 0x00007fffc048041f in gst_adder_collected (pads=0x0, user_data=0x310e030)
    at gstadder.c:1322
        adder = 0x310e030
        collected = <optimized out>
        next = <optimized out>
        ret = <optimized out>
        outbuf = 0x7fffa800cdd0
        gapbuf = 0x0
        outmap = {memory = 0x7fffa8015000, flags = GST_MAP_WRITE, 
          data = 0x7fffa8015090 "", size = 4096, maxsize = 4110, user_data = {
            0x0, 0x0, 0x0, 0x0}, _gst_reserved = {0x0, 0x0, 0x0, 0x0}}
        outsize = 4096
        next_offset = 1665024
        next_timestamp = <optimized out>
        rate = 44100
        bps = 2
        bpf = 4
        __PRETTY_FUNCTION__ = "gst_adder_collected"
#50 0x00007ffff1667827 in gst_collect_pads_check_collected (pads=0xcd99f0)
    at gstcollectpads.c:1295
        collected = <optimized out>
        flow_ret = GST_FLOW_OK
        func = 0x7fffc047fcf0 <gst_adder_collected>
        user_data = 0x310e030
        __PRETTY_FUNCTION__ = "gst_collect_pads_check_collected"
#51 0x00007ffff1669368 in gst_collect_pads_chain (pad=0x3039c80, 
    parent=<optimized out>, buffer=0x7fffa800c220) at gstcollectpads.c:2009
        data = 0x2152720
        pads = 0xcd99f0
        ret = <optimized out>
        buffer_p = <optimized out>
        cookie = <optimized out>
        __PRETTY_FUNCTION__ = "gst_collect_pads_chain"
#52 0x00007ffff139916a in gst_pad_chain_data_unchecked (data=0x7fffa800c220, 
    type=<optimized out>, pad=0x3039c80) at gstpad.c:3654
        chainfunc = 0x7ffff1669080 <gst_collect_pads_chain>
        ret = <optimized out>
        parent = 0x310e030
#53 gst_pad_push_data (pad=pad@entry=0x304ca20, type=type@entry=4112, 
    data=<optimized out>, data@entry=0x7fffa800c220) at gstpad.c:3871
        peer = 0x3039c80
        ret = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_data"
#54 0x00007ffff139f9a6 in gst_pad_push (pad=pad@entry=0x304ca20, 
    buffer=buffer@entry=0x7fffa800c220) at gstpad.c:3974
        __PRETTY_FUNCTION__ = "gst_pad_push"
#55 0x00007ffff138ac9b in gst_proxy_pad_chain_default (pad=<optimized out>, 
    parent=<optimized out>, buffer=0x7fffa800c220) at gstghostpad.c:128
        res = <optimized out>
        internal = 0x304ca20
        __PRETTY_FUNCTION__ = "gst_proxy_pad_chain_default"
#56 0x00007ffff139916a in gst_pad_chain_data_unchecked (data=0x7fffa800c220, 
    type=<optimized out>, pad=0x3042b50) at gstpad.c:3654
        chainfunc = 0x7ffff138abe0 <gst_proxy_pad_chain_default>
        ret = <optimized out>
        parent = 0x304ca20
#57 gst_pad_push_data (pad=0x3039a50, type=type@entry=4112, 
    data=<optimized out>) at gstpad.c:3871
        peer = 0x3042b50
        ret = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_data"
#58 0x00007ffff139f9a6 in gst_pad_push (pad=<optimized out>, 
    buffer=<optimized out>) at gstpad.c:3974
        __PRETTY_FUNCTION__ = "gst_pad_push"
#59 0x00007ffff1660e65 in gst_base_transform_chain (pad=<optimized out>, 
    parent=0x310e990, buffer=<optimized out>) at gstbasetransform.c:2203
        position_out = <optimized out>
        trans = 0x310e990
        klass = <optimized out>
        priv = 0x310ebe0
        ret = <optimized out>
        position = 37477006802
        timestamp = <optimized out>
        duration = <optimized out>
        outbuf = 0x7fffa800c220
        __PRETTY_FUNCTION__ = "gst_base_transform_chain"
#60 0x00007ffff139916a in gst_pad_chain_data_unchecked (data=0x7fffa800c220, 
    type=<optimized out>, pad=0x3039820) at gstpad.c:3654
        chainfunc = 0x7ffff1660cc0 <gst_base_transform_chain>
        ret = <optimized out>
        parent = 0x310e990
#61 gst_pad_push_data (pad=0x30395f0, type=type@entry=4112, 
    data=<optimized out>) at gstpad.c:3871
        peer = 0x3039820
        ret = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_data"
#62 0x00007ffff139f9a6 in gst_pad_push (pad=<optimized out>, 
    buffer=<optimized out>) at gstpad.c:3974
        __PRETTY_FUNCTION__ = "gst_pad_push"
#63 0x00007ffff1660e65 in gst_base_transform_chain (pad=<optimized out>, 
    parent=0x3045000, buffer=<optimized out>) at gstbasetransform.c:2203
        position_out = <optimized out>
        trans = 0x3045000
        klass = <optimized out>
        priv = 0x3045540
        ret = <optimized out>
        position = 37477006802
        timestamp = <optimized out>
        duration = <optimized out>
        outbuf = 0x7fffa800c220
        __PRETTY_FUNCTION__ = "gst_base_transform_chain"
#64 0x00007ffff139916a in gst_pad_chain_data_unchecked (data=0x7fffa800c220, 
    type=<optimized out>, pad=0x3038f60) at gstpad.c:3654
        chainfunc = 0x7ffff1660cc0 <gst_base_transform_chain>
        ret = <optimized out>
        parent = 0x3045000
#65 gst_pad_push_data (pad=pad@entry=0x30393c0, type=type@entry=4112, 
    data=<optimized out>) at gstpad.c:3871
        peer = 0x3038f60
        ret = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_data"
#66 0x00007ffff139f9a6 in gst_pad_push (pad=pad@entry=0x30393c0, 
    buffer=<optimized out>) at gstpad.c:3974
        __PRETTY_FUNCTION__ = "gst_pad_push"
#67 0x00007ffff1658d95 in gst_base_src_loop (pad=0x30393c0)
    at gstbasesrc.c:2710
        src = 0x3118d90
        buf = 0x7fffa800c220
        ret = <optimized out>
        position = <optimized out>
        eos = 0
        blocksize = <optimized out>
        pending_events = <optimized out>
        tmp = <optimized out>
        __PRETTY_FUNCTION__ = "gst_base_src_loop"
#68 0x00007ffff13c6b91 in gst_task_func (task=0x2df85a0) at gsttask.c:316
        lock = 0x3039430
        tself = 0x3046990
        priv = 0x2df8670
        __PRETTY_FUNCTION__ = "gst_task_func"
#69 0x00007ffff6cb1e52 in g_thread_pool_thread_proxy (data=<optimized out>)
    at /build/buildd/glib2.0-2.34.3/./glib/gthreadpool.c:309
        task = 0x2d94c60
        pool = 0x6299f0
#70 0x00007ffff6cb1635 in g_thread_proxy (data=0x3046990)
    at /build/buildd/glib2.0-2.34.3/./glib/gthread.c:797
        thread = 0x3046990
#71 0x00007ffff6a30f9f in start_thread (arg=0x7fffb4502700)
    at pthread_create.c:311
        __res = <optimized out>
        pd = 0x7fffb4502700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140736218539776, 
                -4126776524833835529, 1, 140737354125408, 140737488336992, 
                4096, 4126940194093643255, 4126796836286871031}, 
              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"
#72 0x00007ffff675e0cd in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:114
No locals.

Thread 15 (Thread 0x7fffb4d03700 (LWP 7440)):
#0  __lll_lock_wait ()
    at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:135
No locals.
#1  0x00007ffff6a331b2 in _L_lock_1134 ()
   from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#2  0x00007ffff6a33130 in __GI___pthread_mutex_lock (mutex=0x1f5a790)
    at pthread_mutex_lock.c:104
        max_cnt = -1
        __PRETTY_FUNCTION__ = "__pthread_mutex_lock"
        type = 4294966784
#3  0x00007ffff6ccae01 in g_mutex_lock (mutex=mutex@entry=0x30161b0)
    at /build/buildd/glib2.0-2.34.3/./glib/gthread-posix.c:210
        _g_boolean_var_ = <optimized out>
        status = <optimized out>
#4  0x00007ffff7b6c033 in unlink_blocked_cb (pad=pad@entry=0x3007460, 
    info=info@entry=0x7fffb4d02880, stream=0x3016030)
    at rb-player-gst-xfade.c:1305
        stream_state = <optimized out>
        last = <optimized out>
        player = <optimized out>
        error = 0x0
        __FUNCTION__ = "unlink_blocked_cb"
#5  0x00007ffff1396c56 in probe_hook_marshal (hook=0x3161400, 
    data=0x7fffb4d027d0) at gstpad.c:3039
        pad = 0x3007460
        info = 0x7fffb4d02880
        type = <optimized out>
        flags = <optimized out>
        callback = 0x7ffff7b6c000 <unlink_blocked_cb>
        ret = <optimized out>
        __PRETTY_FUNCTION__ = "probe_hook_marshal"
#6  0x00007ffff6c7f254 in g_hook_list_marshal (
    hook_list=hook_list@entry=0x30074f8, may_recurse=may_recurse@entry=1, 
    marshaller=marshaller@entry=0x7ffff1396ac0 <probe_hook_marshal>, 
    data=data@entry=0x7fffb4d027d0)
    at /build/buildd/glib2.0-2.34.3/./glib/ghook.c:676
        was_in_call = 0
        hook = 0x3161400
        __PRETTY_FUNCTION__ = "g_hook_list_marshal"
#7  0x00007ffff1360c0f in do_probe_callbacks (pad=pad@entry=0x3007460, 
    info=info@entry=0x7fffb4d02880, defaultval=defaultval@entry=GST_FLOW_OK)
    at gstpad.c:3130
        data = {pad = 0x3007460, info = 0x7fffb4d02880, dropped = 0, pass = 0, 
          marshalled = 1, cookie = 1231}
        cookie = 4
        is_block = 1
        __PRETTY_FUNCTION__ = "do_probe_callbacks"
#8  0x00007ffff1398ba5 in gst_pad_push_data (pad=0x3007460, 
    type=type@entry=4112, data=0x7fffa0026960) at gstpad.c:3854
        info = {type = 4114, id = 4, data = 0x7fffa0026960, 
          offset = 18446744073709551615, size = 4294967295, _gst_reserved = {
            0x0, 0x0, 0x0, 0x0}}
        peer = <optimized out>
        ret = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_data"
#9  0x00007ffff139f9a6 in gst_pad_push (pad=<optimized out>, 
    buffer=<optimized out>) at gstpad.c:3974
        __PRETTY_FUNCTION__ = "gst_pad_push"
#10 0x00007ffff1660e65 in gst_base_transform_chain (pad=<optimized out>, 
    parent=0x3046c00, buffer=<optimized out>) at gstbasetransform.c:2203
        position_out = <optimized out>
        trans = 0x3046c00
        klass = <optimized out>
        priv = 0x3047000
        ret = <optimized out>
        position = 1306122449
        timestamp = <optimized out>
        duration = <optimized out>
        outbuf = 0x7fffa0026960
        __PRETTY_FUNCTION__ = "gst_base_transform_chain"
#11 0x00007ffff139916a in gst_pad_chain_data_unchecked (data=0x7fffa0026960, 
    type=<optimized out>, pad=0x3007230) at gstpad.c:3654
        chainfunc = 0x7ffff1660cc0 <gst_base_transform_chain>
        ret = <optimized out>
        parent = 0x3046c00
#12 gst_pad_push_data (pad=0x30078c0, type=type@entry=4112, 
    data=<optimized out>, data@entry=0x7fffa0026960) at gstpad.c:3871
        peer = 0x3007230
        ret = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_data"
#13 0x00007ffff139f9a6 in gst_pad_push (pad=<optimized out>, 
    buffer=buffer@entry=0x7fffa0026960) at gstpad.c:3974
        __PRETTY_FUNCTION__ = "gst_pad_push"
#14 0x00007fffc025ad9c in gst_queue_push_one (queue=0x30562f0)
    at gstqueue.c:1045
        buffer = 0x7fffa0026960
        data = <optimized out>
        result = GST_FLOW_OK
#15 gst_queue_loop (pad=<optimized out>) at gstqueue.c:1161
        queue = 0x30562f0
        ret = GST_FLOW_OK
        __PRETTY_FUNCTION__ = "gst_queue_loop"
#16 0x00007ffff13c6b91 in gst_task_func (task=0x2df87e0) at gsttask.c:316
        lock = 0x3007930
        tself = 0x1ff7320
        priv = 0x2df88b0
        __PRETTY_FUNCTION__ = "gst_task_func"
#17 0x00007ffff6cb1e52 in g_thread_pool_thread_proxy (data=<optimized out>)
    at /build/buildd/glib2.0-2.34.3/./glib/gthreadpool.c:309
        task = 0x2dab870
        pool = 0x6299f0
#18 0x00007ffff6cb1635 in g_thread_proxy (data=0x1ff7320)
    at /build/buildd/glib2.0-2.34.3/./glib/gthread.c:797
        thread = 0x1ff7320
#19 0x00007ffff6a30f9f in start_thread (arg=0x7fffb4d03700)
    at pthread_create.c:311
        __res = <optimized out>
        pd = 0x7fffb4d03700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140736226932480, 
                -4126776524833835529, 1, 140737354125408, 140737488338240, 
                4096, 4126941294142141943, 4126796836286871031}, 
              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"
#20 0x00007ffff675e0cd in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:114
No locals.

Thread 14 (Thread 0x7fffb9959700 (LWP 7439)):
#0  0x00007ffff675244d in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007fffbab81b6f in poll_func (ufds=0x7fffbc0013e0, nfds=2, 
    timeout=1289, userdata=0x201f3b0) at pulse/thread-mainloop.c:69
        mutex = 0x201f3b0
        r = <optimized out>
#2  0x00007fffbab730b5 in pa_mainloop_poll (m=m@entry=0x2de8f00)
    at pulse/mainloop.c:873
        __func__ = "pa_mainloop_poll"
        __PRETTY_FUNCTION__ = "pa_mainloop_poll"
#3  0x00007fffbab73719 in pa_mainloop_iterate (m=m@entry=0x2de8f00, 
    block=block@entry=1, retval=retval@entry=0x0) at pulse/mainloop.c:955
        r = <optimized out>
        __func__ = "pa_mainloop_iterate"
        __PRETTY_FUNCTION__ = "pa_mainloop_iterate"
#4  0x00007fffbab737d0 in pa_mainloop_run (m=0x2de8f00, 
    retval=retval@entry=0x0) at pulse/mainloop.c:973
        r = <optimized out>
#5  0x00007fffbab81b1f in thread (userdata=0x20d15a0)
    at pulse/thread-mainloop.c:88
        m = 0x20d15a0
        mask = {__val = {18446744067267100671, 
            18446744073709551615 <repeats 15 times>}}
#6  0x00007fffba72a543 in internal_thread_func (userdata=0x2de5b10)
    at pulsecore/thread-posix.c:83
        t = 0x2de5b10
#7  0x00007ffff6a30f9f in start_thread (arg=0x7fffb9959700)
    at pthread_create.c:311
        __res = <optimized out>
        pd = 0x7fffb9959700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140736306976512, 
                -4126776524833835529, 1, 140737354125408, 140737331308320, 
                4096, 4126930817643165175, 4126796836286871031}, 
              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"
#8  0x00007ffff675e0cd in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:114
No locals.

Thread 9 (Thread 0x7fffc0e86700 (LWP 7431)):
#0  pthread_cond_wait@@GLIBC_2.3.2 ()
    at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:168
No locals.
#1  0x00007ffff6ccb07f in g_cond_wait (cond=cond@entry=0xac3568, 
    mutex=mutex@entry=0xac3560)
    at /build/buildd/glib2.0-2.34.3/./glib/gthread-posix.c:748
        _g_boolean_var_ = <optimized out>
        status = <optimized out>
#2  0x00007ffff6c6478b in g_async_queue_pop_intern_unlocked (
    queue=queue@entry=0xac3560, wait=wait@entry=1, end_time=end_time@entry=-1)
    at /build/buildd/glib2.0-2.34.3/./glib/gasyncqueue.c:421
        retval = <optimized out>
        __PRETTY_FUNCTION__ = "g_async_queue_pop_intern_unlocked"
#3  0x00007ffff6c64c36 in g_async_queue_pop (queue=0xac3560)
    at /build/buildd/glib2.0-2.34.3/./glib/gasyncqueue.c:455
        retval = <optimized out>
        __PRETTY_FUNCTION__ = "g_async_queue_pop"
#4  0x00007ffff7b4c9c5 in action_thread_main (db=0xac40b0) at rhythmdb.c:2829
        action = <optimized out>
        result = <optimized out>
        __FUNCTION__ = "action_thread_main"
        __PRETTY_FUNCTION__ = "action_thread_main"
#5  0x00007ffff6cb1635 in g_thread_proxy (data=0x1dae0f0)
    at /build/buildd/glib2.0-2.34.3/./glib/gthread.c:797
        thread = 0x1dae0f0
#6  0x00007ffff6a30f9f in start_thread (arg=0x7fffc0e86700)
    at pthread_create.c:311
        __res = <optimized out>
        pd = 0x7fffc0e86700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140736429844224, 
                -4126776524833835529, 1, 140737354125408, 140737488346096, 
                4096, 4126774234409842167, 4126796836286871031}, 
              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"
#7  0x00007ffff675e0cd in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:114
No locals.

Thread 3 (Thread 0x7fffdf756700 (LWP 7424)):
#0  0x00007ffff675244d in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007ffff6c8dd64 in g_main_context_poll (n_fds=1, fds=0x7fffd00010c0, 
    timeout=-1, context=0x9fa1a0, priority=<optimized out>)
    at /build/buildd/glib2.0-2.34.3/./glib/gmain.c:3584
        poll_func = 0x7ffff6c9bdf0 <g_poll>
#2  g_main_context_iterate (context=context@entry=0x9fa1a0, 
    block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>)
    at /build/buildd/glib2.0-2.34.3/./glib/gmain.c:3285
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 1
        allocated_nfds = <optimized out>
        fds = 0x7fffd00010c0
#3  0x00007ffff6c8de84 in g_main_context_iteration (context=0x9fa1a0, 
    may_block=1) at /build/buildd/glib2.0-2.34.3/./glib/gmain.c:3351
        retval = <optimized out>
#4  0x00007fffdf75d4bd in ?? ()
   from /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so
No symbol table info available.
#5  0x00007ffff6cb1635 in g_thread_proxy (data=0x9f78a0)
    at /build/buildd/glib2.0-2.34.3/./glib/gthread.c:797
        thread = 0x9f78a0
#6  0x00007ffff6a30f9f in start_thread (arg=0x7fffdf756700)
    at pthread_create.c:311
        __res = <optimized out>
        pd = 0x7fffdf756700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140736942401280, 
                -4126776524833835529, 1, 140737354125408, 140737488343328, 
                4096, 4126705145565918711, 4126796836286871031}, 
              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"
#7  0x00007ffff675e0cd in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:114
No locals.

Thread 2 (Thread 0x7fffe056d700 (LWP 7423)):
#0  0x00007ffff675244d in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007ffff6c8dd64 in g_main_context_poll (n_fds=5, fds=0x7fffd8001100, 
    timeout=-1, context=0x809220, priority=<optimized out>)
    at /build/buildd/glib2.0-2.34.3/./glib/gmain.c:3584
        poll_func = 0x7ffff6c9bdf0 <g_poll>
#2  g_main_context_iterate (context=0x809220, block=block@entry=1, 
    dispatch=dispatch@entry=1, self=<optimized out>)
    at /build/buildd/glib2.0-2.34.3/./glib/gmain.c:3285
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 5
        allocated_nfds = <optimized out>
        fds = 0x7fffd8001100
#3  0x00007ffff6c8e1c2 in g_main_loop_run (loop=0x8091b0)
    at /build/buildd/glib2.0-2.34.3/./glib/gmain.c:3484
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#4  0x00007ffff7258476 in gdbus_shared_thread_func (user_data=0x8091f0)
    at /build/buildd/glib2.0-2.34.3/./gio/gdbusprivate.c:277
        data = 0x8091f0
#5  0x00007ffff6cb1635 in g_thread_proxy (data=0x93e4a0)
    at /build/buildd/glib2.0-2.34.3/./glib/gthread.c:797
        thread = 0x93e4a0
#6  0x00007ffff6a30f9f in start_thread (arg=0x7fffe056d700)
    at pthread_create.c:311
        __res = <optimized out>
        pd = 0x7fffe056d700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140736957175552, 
                -4126776524833835529, 1, 140737354125408, 140737488342624, 
                4096, 4126843378551469559, 4126796836286871031}, 
              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"
#7  0x00007ffff675e0cd in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:114
No locals.

Thread 1 (Thread 0x7fffe2582a00 (LWP 7412)):
#0  __lll_lock_wait ()
    at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:135
No locals.
#1  0x00007ffff6a33197 in _L_lock_1027 ()
   from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#2  0x00007ffff6a33029 in __GI___pthread_mutex_lock (mutex=0x22b4c30)
    at pthread_mutex_lock.c:85
        __PRETTY_FUNCTION__ = "__pthread_mutex_lock"
        type = 4294966784
#3  0x00007ffff13a1468 in gst_pad_pause_task (pad=0x30078c0) at gstpad.c:5261
        task = <optimized out>
        res = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_pause_task"
#4  0x00007fffc0258f00 in gst_queue_handle_sink_event (pad=<optimized out>, 
    parent=0x30562f0, event=<optimized out>) at gstqueue.c:725
        queue = 0x30562f0
        __PRETTY_FUNCTION__ = "gst_queue_handle_sink_event"
#5  0x00007ffff1397231 in gst_pad_send_event_unchecked (
    pad=pad@entry=0x3007690, event=event@entry=0x305eb00, type=type@entry=320)
    at gstpad.c:4821
        ret = <optimized out>
        event_type = GST_EVENT_FLUSH_START
        serialized = <optimized out>
        need_unlock = 0
        sticky = 0
        eventfunc = 0x7fffc02587f0 <gst_queue_handle_sink_event>
        parent = 0x30562f0
        __PRETTY_FUNCTION__ = "gst_pad_send_event_unchecked"
#6  0x00007ffff1397a6a in gst_pad_push_event_unchecked (
    pad=pad@entry=0x3007000, event=event@entry=0x305eb00, type=320, 
    type@entry=GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM) at gstpad.c:4514
        ret = <optimized out>
        peerpad = 0x3007690
        event_type = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_event_unchecked"
#7  0x00007ffff13a04e7 in gst_pad_push_event (pad=0x3007000, 
    event=event@entry=0x305eb00) at gstpad.c:4641
        ret = <optimized out>
        res = 0
        type = GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM
        sticky = 0
        serialized = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_event"
#8  0x00007ffff1660fd4 in gst_base_transform_sink_eventfunc (trans=0x310ecb0, 
    event=0x305eb00) at gstbasetransform.c:1845
        ret = 1
        forward = 1
        priv = <optimized out>
        __PRETTY_FUNCTION__ = "gst_base_transform_sink_eventfunc"
#9  0x00007ffff1397231 in gst_pad_send_event_unchecked (
    pad=pad@entry=0x3006dd0, event=event@entry=0x305eb00, type=type@entry=320)
    at gstpad.c:4821
        ret = <optimized out>
        event_type = GST_EVENT_FLUSH_START
        serialized = <optimized out>
        need_unlock = 0
        sticky = 0
        eventfunc = 0x7ffff165c6f0 <gst_base_transform_sink_event>
        parent = 0x310ecb0
        __PRETTY_FUNCTION__ = "gst_pad_send_event_unchecked"
#10 0x00007ffff1397a6a in gst_pad_push_event_unchecked (
    pad=pad@entry=0x3006ba0, event=event@entry=0x305eb00, type=320, 
    type@entry=GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM) at gstpad.c:4514
        ret = <optimized out>
        peerpad = 0x3006dd0
        event_type = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_event_unchecked"
#11 0x00007ffff13a04e7 in gst_pad_push_event (pad=0x3006ba0, 
    event=event@entry=0x305eb00) at gstpad.c:4641
        ret = <optimized out>
        res = 0
        type = GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM
        sticky = 0
        serialized = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_event"
#12 0x00007ffff1660fd4 in gst_base_transform_sink_eventfunc (trans=0x31186e0, 
    event=0x305eb00) at gstbasetransform.c:1845
        ret = 1
        forward = 1
        priv = <optimized out>
        __PRETTY_FUNCTION__ = "gst_base_transform_sink_eventfunc"
#13 0x00007ffff1397231 in gst_pad_send_event_unchecked (
    pad=pad@entry=0x3006970, event=event@entry=0x305eb00, type=type@entry=320)
    at gstpad.c:4821
        ret = <optimized out>
        event_type = GST_EVENT_FLUSH_START
        serialized = <optimized out>
        need_unlock = 0
        sticky = 0
        eventfunc = 0x7ffff165c6f0 <gst_base_transform_sink_event>
        parent = 0x31186e0
        __PRETTY_FUNCTION__ = "gst_pad_send_event_unchecked"
#14 0x00007ffff1397a6a in gst_pad_push_event_unchecked (
    pad=pad@entry=0x3006740, event=event@entry=0x305eb00, type=320, 
    type@entry=GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM) at gstpad.c:4514
        ret = <optimized out>
        peerpad = 0x3006970
        event_type = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_event_unchecked"
#15 0x00007ffff13a04e7 in gst_pad_push_event (pad=0x3006740, 
    event=event@entry=0x305eb00) at gstpad.c:4641
        ret = <optimized out>
        res = 0
        type = GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM
        sticky = 0
        serialized = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_event"
#16 0x00007ffff1660fd4 in gst_base_transform_sink_eventfunc (trans=0x31180c0, 
    event=0x305eb00) at gstbasetransform.c:1845
        ret = 1
        forward = 1
        priv = <optimized out>
        __PRETTY_FUNCTION__ = "gst_base_transform_sink_eventfunc"
#17 0x00007ffff1397231 in gst_pad_send_event_unchecked (
    pad=pad@entry=0x3006510, event=event@entry=0x305eb00, type=type@entry=320)
    at gstpad.c:4821
        ret = <optimized out>
        event_type = GST_EVENT_FLUSH_START
        serialized = <optimized out>
        need_unlock = 0
        sticky = 0
        eventfunc = 0x7ffff165c6f0 <gst_base_transform_sink_event>
        parent = 0x31180c0
        __PRETTY_FUNCTION__ = "gst_pad_send_event_unchecked"
#18 0x00007ffff1397a6a in gst_pad_push_event_unchecked (
    pad=pad@entry=0x30062e0, event=event@entry=0x305eb00, type=320, 
    type@entry=GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM) at gstpad.c:4514
        ret = <optimized out>
        peerpad = 0x3006510
        event_type = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_event_unchecked"
#19 0x00007ffff13a04e7 in gst_pad_push_event (pad=0x30062e0, 
    event=event@entry=0x305eb00) at gstpad.c:4641
        ret = <optimized out>
        res = 0
        type = GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM
        sticky = 0
        serialized = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_event"
#20 0x00007ffff1660fd4 in gst_base_transform_sink_eventfunc (trans=0x30483c0, 
    event=0x305eb00) at gstbasetransform.c:1845
        ret = 1
        forward = 1
        priv = <optimized out>
        __PRETTY_FUNCTION__ = "gst_base_transform_sink_eventfunc"
#21 0x00007fffc024b58e in gst_identity_sink_event (trans=0x30483c0, 
    event=0x305eb00) at gstidentity.c:353
        identity = 0x30483c0
        ret = 1
        __PRETTY_FUNCTION__ = "gst_identity_sink_event"
#22 0x00007ffff1397231 in gst_pad_send_event_unchecked (
    pad=pad@entry=0x30060b0, event=event@entry=0x305eb00, type=type@entry=320)
    at gstpad.c:4821
        ret = <optimized out>
        event_type = GST_EVENT_FLUSH_START
        serialized = <optimized out>
        need_unlock = 0
        sticky = 0
        eventfunc = 0x7ffff165c6f0 <gst_base_transform_sink_event>
        parent = 0x30483c0
        __PRETTY_FUNCTION__ = "gst_pad_send_event_unchecked"
#23 0x00007ffff1397a6a in gst_pad_push_event_unchecked (
    pad=pad@entry=0x304dd20, event=event@entry=0x305eb00, type=320, 
    type@entry=GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM) at gstpad.c:4514
        ret = <optimized out>
        peerpad = 0x30060b0
        event_type = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_event_unchecked"
#24 0x00007ffff13a04e7 in gst_pad_push_event (pad=pad@entry=0x304dd20, 
    event=0x305eb00) at gstpad.c:4641
        ret = <optimized out>
        res = 0
        type = GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM
        sticky = 0
        serialized = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_event"
#25 0x00007ffff13a071f in event_forward_func (pad=0x304dd20, 
    data=0x7fffffffb7e0) at gstpad.c:2719
        __PRETTY_FUNCTION__ = "event_forward_func"
#26 0x00007ffff139d72b in gst_pad_forward (pad=0x7fff9c004940, 
    forward=forward@entry=0x7ffff13a0640 <event_forward_func>, 
    user_data=user_data@entry=0x7fffffffb7e0) at gstpad.c:2673
        intpad = 0x304dd20
        result = <optimized out>
        iter = 0x7fffbc6e7970
        done = <optimized out>
        item = {g_type = 6356128, data = {{v_int = 50650400, 
              v_uint = 50650400, v_long = 50650400, v_ulong = 50650400, 
              v_int64 = 50650400, v_uint64 = 50650400, 
              v_float = 3.90451526e-37, v_double = 2.5024622588117474e-316, 
              v_pointer = 0x304dd20}, {v_int = 0, v_uint = 0, v_long = 0, 
              v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, 
              v_double = 0, v_pointer = 0x0}}}
        pushed_pads = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_forward"
#27 0x00007ffff139de90 in gst_pad_event_default (pad=<optimized out>, 
    parent=<optimized out>, event=0x305eb00) at gstpad.c:2770
        data = {event = 0x305eb00, result = 0, dispatched = 0}
        result = <optimized out>
        forward = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_event_default"
#28 0x00007ffff1397231 in gst_pad_send_event_unchecked (
    pad=pad@entry=0x7fff9c004940, event=event@entry=0x305eb00, 
    type=type@entry=320) at gstpad.c:4821
        ret = <optimized out>
        event_type = GST_EVENT_FLUSH_START
        serialized = <optimized out>
        need_unlock = 0
        sticky = 0
        eventfunc = 0x7ffff139dde0 <gst_pad_event_default>
        parent = 0x304dd20
        __PRETTY_FUNCTION__ = "gst_pad_send_event_unchecked"
#29 0x00007ffff1397a6a in gst_pad_push_event_unchecked (
    pad=pad@entry=0x7fffac017760, event=event@entry=0x305eb00, type=320, 
    type@entry=GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM) at gstpad.c:4514
        ret = <optimized out>
        peerpad = 0x7fff9c004940
        event_type = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_event_unchecked"
#30 0x00007ffff13a04e7 in gst_pad_push_event (pad=pad@entry=0x7fffac017760, 
    event=0x305eb00) at gstpad.c:4641
        ret = <optimized out>
        res = 0
        type = GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM
        sticky = 0
        serialized = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_event"
#31 0x00007ffff13a071f in event_forward_func (pad=0x7fffac017760, 
    data=0x7fffffffbb20) at gstpad.c:2719
        __PRETTY_FUNCTION__ = "event_forward_func"
#32 0x00007ffff139d72b in gst_pad_forward (pad=0x7fff9c004700, 
    forward=forward@entry=0x7ffff13a0640 <event_forward_func>, 
    user_data=user_data@entry=0x7fffffffbb20) at gstpad.c:2673
        intpad = 0x7fffac017760
        result = <optimized out>
        iter = 0x7fffbc6e78d0
        done = <optimized out>
        item = {g_type = 6356128, data = {{v_int = -1409190048, 
              v_uint = 2885777248, v_long = 140736079165280, 
              v_ulong = 140736079165280, v_int64 = 140736079165280, 
              v_uint64 = 140736079165280, v_float = -1.8398269e-12, 
              v_double = 6.9532861845958865e-310, v_pointer = 0x7fffac017760}, 
            {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, 
              v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}}
        pushed_pads = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_forward"
#33 0x00007ffff139de90 in gst_pad_event_default (pad=<optimized out>, 
    parent=<optimized out>, event=0x305eb00) at gstpad.c:2770
        data = {event = 0x305eb00, result = 0, dispatched = 0}
        result = <optimized out>
        forward = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_event_default"
#34 0x00007ffff1397231 in gst_pad_send_event_unchecked (
    pad=pad@entry=0x7fff9c004700, event=event@entry=0x305eb00, 
    type=type@entry=320) at gstpad.c:4821
        ret = <optimized out>
        event_type = GST_EVENT_FLUSH_START
        serialized = <optimized out>
        need_unlock = 0
        sticky = 0
        eventfunc = 0x7ffff139dde0 <gst_pad_event_default>
        parent = 0x7fffac017760
        __PRETTY_FUNCTION__ = "gst_pad_send_event_unchecked"
#35 0x00007ffff1397a6a in gst_pad_push_event_unchecked (
    pad=pad@entry=0x2db58e0, event=event@entry=0x305eb00, type=320, 
    type@entry=GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM) at gstpad.c:4514
        ret = <optimized out>
        peerpad = 0x7fff9c004700
        event_type = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_event_unchecked"
#36 0x00007ffff13a04e7 in gst_pad_push_event (pad=pad@entry=0x2db58e0, 
    event=0x305eb00) at gstpad.c:4641
        ret = <optimized out>
        res = 0
        type = GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM
        sticky = 0
        serialized = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_event"
#37 0x00007ffff13a071f in event_forward_func (pad=0x2db58e0, 
    data=0x7fffffffbe60) at gstpad.c:2719
        __PRETTY_FUNCTION__ = "event_forward_func"
#38 0x00007ffff139d72b in gst_pad_forward (pad=0x2db56b0, 
    forward=forward@entry=0x7ffff13a0640 <event_forward_func>, 
    user_data=user_data@entry=0x7fffffffbe60) at gstpad.c:2673
        intpad = 0x2db58e0
        result = <optimized out>
        iter = 0x7fffbc6e7830
        done = <optimized out>
        item = {g_type = 6356128, data = {{v_int = 47929568, 
              v_uint = 47929568, v_long = 47929568, v_ulong = 47929568, 
              v_int64 = 47929568, v_uint64 = 47929568, 
              v_float = 3.22301696e-37, v_double = 2.3680352968811943e-316, 
              v_pointer = 0x2db58e0}, {v_int = 0, v_uint = 0, v_long = 0, 
              v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, 
              v_double = 0, v_pointer = 0x0}}}
        pushed_pads = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_forward"
#39 0x00007ffff139de90 in gst_pad_event_default (pad=<optimized out>, 
    parent=parent@entry=0x7fffa0014500, event=event@entry=0x305eb00)
    at gstpad.c:2770
        data = {event = 0x305eb00, result = 0, dispatched = 0}
        result = <optimized out>
        forward = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_event_default"
#40 0x00007ffff189d592 in gst_audio_decoder_sink_eventfunc (
    dec=0x7fffa0014500, event=0x305eb00) at gstaudiodecoder.c:1805
        ret = <optimized out>
        __PRETTY_FUNCTION__ = "gst_audio_decoder_sink_eventfunc"
#41 0x00007ffff1397231 in gst_pad_send_event_unchecked (
    pad=pad@entry=0x2db56b0, event=event@entry=0x305eb00, type=type@entry=320)
    at gstpad.c:4821
        ret = <optimized out>
        event_type = GST_EVENT_FLUSH_START
        serialized = <optimized out>
        need_unlock = 0
        sticky = 0
        eventfunc = 0x7ffff1897fb0 <gst_audio_decoder_sink_event>
        parent = 0x7fffa0014500
        __PRETTY_FUNCTION__ = "gst_pad_send_event_unchecked"
#42 0x00007ffff1397a6a in gst_pad_push_event_unchecked (
    pad=pad@entry=0x2db5020, event=event@entry=0x305eb00, type=320, 
    type@entry=GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM) at gstpad.c:4514
        ret = <optimized out>
        peerpad = 0x2db56b0
        event_type = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_event_unchecked"
#43 0x00007ffff13a04e7 in gst_pad_push_event (pad=0x2db5020, event=0x305eb00)
    at gstpad.c:4641
        ret = <optimized out>
        res = 0
        type = GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM
        sticky = 0
        serialized = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_event"
#44 0x00007ffff164196c in gst_base_parse_handle_seek (event=0x30595e0, 
    parse=0x7fff9c006810) at gstbaseparse.c:3969
        last_stop = <optimized out>
        start_type = GST_SEEK_TYPE_SET
        stop_type = GST_SEEK_TYPE_NONE
        seekpos = 4744
        flush = 1
        seekstop = -1
        update = 1
        res = <optimized out>
        start = 780000000
        start_ts = 417959168
        rate = 1
        format = GST_FORMAT_TIME
        flags = GST_SEEK_FLAG_FLUSH
        accurate = <optimized out>
        stop = -1
        seeksegment = {flags = GST_SEGMENT_FLAG_RESET, rate = 1, 
          applied_rate = 1, format = GST_FORMAT_TIME, base = 0, offset = 0, 
          start = 780000000, stop = 18446744073709551615, time = 780000000, 
          position = 780000000, duration = 18446744073709551615, 
          _gst_reserved = {0x0, 0x0, 0x0, 0x0}}
#45 gst_base_parse_src_default (parse=0x7fff9c006810, event=0x30595e0)
    at gstbaseparse.c:1269
        res = 0
#46 0x00007ffff1397231 in gst_pad_send_event_unchecked (
    pad=pad@entry=0x2db5020, event=event@entry=0x30595e0, 
    type=type@entry=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4821
        ret = <optimized out>
        event_type = GST_EVENT_SEEK
        serialized = <optimized out>
        need_unlock = 0
        sticky = 0
        eventfunc = 0x7ffff163e500 <gst_base_parse_src_event>
        parent = 0x7fff9c006810
        __PRETTY_FUNCTION__ = "gst_pad_send_event_unchecked"
#47 0x00007ffff1397a6a in gst_pad_push_event_unchecked (
    pad=pad@entry=0x2db56b0, event=event@entry=0x30595e0, 
    type=type@entry=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4514
        ret = <optimized out>
        peerpad = 0x2db5020
        event_type = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_event_unchecked"
#48 0x00007ffff13a04e7 in gst_pad_push_event (pad=0x2db56b0, 
    event=event@entry=0x30595e0) at gstpad.c:4641
        ret = <optimized out>
        res = 0
        type = GST_PAD_PROBE_TYPE_EVENT_UPSTREAM
        sticky = 0
        serialized = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_event"
#49 0x00007ffff189a42f in gst_audio_decoder_src_eventfunc (event=0x30595e0, 
    dec=0x7fffa0014500) at gstaudiodecoder.c:1923
        rate = <optimized out>
        flags = <optimized out>
        start_type = <optimized out>
        stop_type = <optimized out>
        format = <optimized out>
        start = <optimized out>
        stop = <optimized out>
        tstart = <optimized out>
        tstop = <optimized out>
        seqnum = 391
        res = <optimized out>
#50 gst_audio_decoder_src_eventfunc (dec=0x7fffa0014500, event=0x30595e0)
    at gstaudiodecoder.c:1903
        res = <optimized out>
#51 0x00007ffff1397231 in gst_pad_send_event_unchecked (
    pad=pad@entry=0x2db58e0, event=event@entry=0x30595e0, 
    type=type@entry=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4821
        ret = <optimized out>
        event_type = GST_EVENT_SEEK
        serialized = <optimized out>
        need_unlock = 0
        sticky = 0
        eventfunc = 0x7ffff1897ef0 <gst_audio_decoder_src_event>
        parent = 0x7fffa0014500
        __PRETTY_FUNCTION__ = "gst_pad_send_event_unchecked"
#52 0x00007ffff1397a6a in gst_pad_push_event_unchecked (
    pad=pad@entry=0x7fff9c004700, event=event@entry=0x30595e0, 
    type=type@entry=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4514
        ret = <optimized out>
        peerpad = 0x2db58e0
        event_type = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_event_unchecked"
#53 0x00007ffff13a04e7 in gst_pad_push_event (pad=pad@entry=0x7fff9c004700, 
    event=0x30595e0) at gstpad.c:4641
        ret = <optimized out>
        res = 0
        type = GST_PAD_PROBE_TYPE_EVENT_UPSTREAM
        sticky = 0
        serialized = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_event"
#54 0x00007ffff13a071f in event_forward_func (pad=0x7fff9c004700, 
    data=0x7fffffffca30) at gstpad.c:2719
        __PRETTY_FUNCTION__ = "event_forward_func"
#55 0x00007ffff139d72b in gst_pad_forward (pad=0x7fffac017760, 
    forward=forward@entry=0x7ffff13a0640 <event_forward_func>, 
    user_data=user_data@entry=0x7fffffffca30) at gstpad.c:2673
        intpad = 0x7fff9c004700
        result = <optimized out>
        iter = 0x7fffbc6e7700
        done = <optimized out>
        item = {g_type = 6356128, data = {{v_int = -1677703424, 
              v_uint = 2617263872, v_long = 140735810651904, 
              v_ulong = 140735810651904, v_int64 = 140735810651904, 
              v_uint64 = 140735810651904, v_float = -4.24434127e-22, 
              v_double = 6.9532729182724335e-310, v_pointer = 0x7fff9c004700}, 
            {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, 
              v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}}
        pushed_pads = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_forward"
#56 0x00007ffff139de90 in gst_pad_event_default (pad=<optimized out>, 
    parent=<optimized out>, event=0x30595e0) at gstpad.c:2770
        data = {event = 0x30595e0, result = 0, dispatched = 0}
        result = <optimized out>
        forward = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_event_default"
#57 0x00007ffff1397231 in gst_pad_send_event_unchecked (
    pad=pad@entry=0x7fffac017760, event=event@entry=0x30595e0, 
    type=type@entry=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4821
        ret = <optimized out>
        event_type = GST_EVENT_SEEK
        serialized = <optimized out>
        need_unlock = 0
        sticky = 0
        eventfunc = 0x7ffff139dde0 <gst_pad_event_default>
        parent = 0x304d140
        __PRETTY_FUNCTION__ = "gst_pad_send_event_unchecked"
#58 0x00007ffff1397a6a in gst_pad_push_event_unchecked (
    pad=pad@entry=0x7fff9c004940, event=event@entry=0x30595e0, 
    type=type@entry=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4514
        ret = <optimized out>
        peerpad = 0x7fffac017760
        event_type = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_event_unchecked"
#59 0x00007ffff13a04e7 in gst_pad_push_event (pad=pad@entry=0x7fff9c004940, 
    event=0x30595e0) at gstpad.c:4641
        ret = <optimized out>
        res = 0
        type = GST_PAD_PROBE_TYPE_EVENT_UPSTREAM
        sticky = 0
        serialized = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_event"
#60 0x00007ffff13a071f in event_forward_func (pad=0x7fff9c004940, 
    data=0x7fffffffcd70) at gstpad.c:2719
        __PRETTY_FUNCTION__ = "event_forward_func"
#61 0x00007ffff139d72b in gst_pad_forward (pad=0x304dd20, 
    forward=forward@entry=0x7ffff13a0640 <event_forward_func>, 
    user_data=user_data@entry=0x7fffffffcd70) at gstpad.c:2673
        intpad = 0x7fff9c004940
        result = <optimized out>
        iter = 0x7fffbc6e7660
        done = <optimized out>
        item = {g_type = 6356128, data = {{v_int = -1677702848, 
              v_uint = 2617264448, v_long = 140735810652480, 
              v_ulong = 140735810652480, v_int64 = 140735810652480, 
              v_uint64 = 140735810652480, v_float = -4.24463208e-22, 
              v_double = 6.9532729183008916e-310, v_pointer = 0x7fff9c004940}, 
            {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, 
              v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}}
        pushed_pads = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_forward"
#62 0x00007ffff139de90 in gst_pad_event_default (pad=<optimized out>, 
    parent=<optimized out>, event=0x30595e0) at gstpad.c:2770
        data = {event = 0x30595e0, result = 0, dispatched = 0}
        result = <optimized out>
        forward = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_event_default"
#63 0x00007ffff1397231 in gst_pad_send_event_unchecked (
    pad=pad@entry=0x304dd20, event=event@entry=0x30595e0, 
    type=type@entry=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4821
        ret = <optimized out>
        event_type = GST_EVENT_SEEK
        serialized = <optimized out>
        need_unlock = 0
        sticky = 0
        eventfunc = 0x7ffff139dde0 <gst_pad_event_default>
        parent = 0x304cc80
        __PRETTY_FUNCTION__ = "gst_pad_send_event_unchecked"
#64 0x00007ffff1397a6a in gst_pad_push_event_unchecked (
    pad=pad@entry=0x30060b0, event=event@entry=0x30595e0, 
    type=type@entry=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4514
        ret = <optimized out>
        peerpad = 0x304dd20
        event_type = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_event_unchecked"
#65 0x00007ffff13a04e7 in gst_pad_push_event (pad=0x30060b0, 
    event=event@entry=0x30595e0) at gstpad.c:4641
        ret = <optimized out>
        res = 0
        type = GST_PAD_PROBE_TYPE_EVENT_UPSTREAM
        sticky = 0
        serialized = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_event"
#66 0x00007ffff16615d0 in gst_base_transform_src_eventfunc (trans=0x30483c0, 
    event=0x30595e0) at gstbasetransform.c:1897
        ret = -512
        __PRETTY_FUNCTION__ = "gst_base_transform_src_eventfunc"
#67 0x00007ffff1397231 in gst_pad_send_event_unchecked (
    pad=pad@entry=0x30062e0, event=event@entry=0x30595e0, 
    type=type@entry=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4821
        ret = <optimized out>
        event_type = GST_EVENT_SEEK
        serialized = <optimized out>
        need_unlock = 0
        sticky = 0
        eventfunc = 0x7ffff165c6b0 <gst_base_transform_src_event>
        parent = 0x30483c0
        __PRETTY_FUNCTION__ = "gst_pad_send_event_unchecked"
#68 0x00007ffff1397a6a in gst_pad_push_event_unchecked (
    pad=pad@entry=0x3006510, event=event@entry=0x30595e0, 
    type=type@entry=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4514
        ret = <optimized out>
        peerpad = 0x30062e0
        event_type = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_event_unchecked"
#69 0x00007ffff13a04e7 in gst_pad_push_event (pad=0x3006510, 
    event=event@entry=0x30595e0) at gstpad.c:4641
        ret = <optimized out>
        res = 0
        type = GST_PAD_PROBE_TYPE_EVENT_UPSTREAM
        sticky = 0
        serialized = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_event"
#70 0x00007ffff16615d0 in gst_base_transform_src_eventfunc (trans=0x31180c0, 
    event=0x30595e0) at gstbasetransform.c:1897
        ret = -512
        __PRETTY_FUNCTION__ = "gst_base_transform_src_eventfunc"
#71 0x00007ffff1397231 in gst_pad_send_event_unchecked (
    pad=pad@entry=0x3006740, event=event@entry=0x30595e0, 
    type=type@entry=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4821
        ret = <optimized out>
        event_type = GST_EVENT_SEEK
        serialized = <optimized out>
        need_unlock = 0
        sticky = 0
        eventfunc = 0x7ffff165c6b0 <gst_base_transform_src_event>
        parent = 0x31180c0
        __PRETTY_FUNCTION__ = "gst_pad_send_event_unchecked"
#72 0x00007ffff1397a6a in gst_pad_push_event_unchecked (
    pad=pad@entry=0x3006970, event=event@entry=0x30595e0, 
    type=type@entry=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4514
        ret = <optimized out>
        peerpad = 0x3006740
        event_type = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_event_unchecked"
#73 0x00007ffff13a04e7 in gst_pad_push_event (pad=0x3006970, 
    event=event@entry=0x30595e0) at gstpad.c:4641
        ret = <optimized out>
        res = 0
        type = GST_PAD_PROBE_TYPE_EVENT_UPSTREAM
        sticky = 0
        serialized = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_event"
#74 0x00007ffff16615d0 in gst_base_transform_src_eventfunc (trans=0x31186e0, 
    event=0x30595e0) at gstbasetransform.c:1897
        ret = -512
        __PRETTY_FUNCTION__ = "gst_base_transform_src_eventfunc"
#75 0x00007ffff1397231 in gst_pad_send_event_unchecked (
    pad=pad@entry=0x3006ba0, event=event@entry=0x30595e0, 
    type=type@entry=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4821
        ret = <optimized out>
        event_type = GST_EVENT_SEEK
        serialized = <optimized out>
        need_unlock = 0
        sticky = 0
        eventfunc = 0x7ffff165c6b0 <gst_base_transform_src_event>
        parent = 0x31186e0
        __PRETTY_FUNCTION__ = "gst_pad_send_event_unchecked"
#76 0x00007ffff1397a6a in gst_pad_push_event_unchecked (
    pad=pad@entry=0x3006dd0, event=event@entry=0x30595e0, 
    type=type@entry=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4514
        ret = <optimized out>
        peerpad = 0x3006ba0
        event_type = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_event_unchecked"
#77 0x00007ffff13a04e7 in gst_pad_push_event (pad=0x3006dd0, 
    event=event@entry=0x30595e0) at gstpad.c:4641
        ret = <optimized out>
        res = 0
        type = GST_PAD_PROBE_TYPE_EVENT_UPSTREAM
        sticky = 0
        serialized = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_event"
#78 0x00007ffff16615d0 in gst_base_transform_src_eventfunc (trans=0x310ecb0, 
    event=0x30595e0) at gstbasetransform.c:1897
        ret = -512
        __PRETTY_FUNCTION__ = "gst_base_transform_src_eventfunc"
#79 0x00007ffff1397231 in gst_pad_send_event_unchecked (
    pad=pad@entry=0x3007000, event=event@entry=0x30595e0, 
    type=type@entry=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4821
        ret = <optimized out>
        event_type = GST_EVENT_SEEK
        serialized = <optimized out>
        need_unlock = 0
        sticky = 0
        eventfunc = 0x7ffff165c6b0 <gst_base_transform_src_event>
        parent = 0x310ecb0
        __PRETTY_FUNCTION__ = "gst_pad_send_event_unchecked"
#80 0x00007ffff1397a6a in gst_pad_push_event_unchecked (
    pad=pad@entry=0x3007690, event=event@entry=0x30595e0, 
    type=type@entry=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4514
        ret = <optimized out>
        peerpad = 0x3007000
        event_type = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_event_unchecked"
#81 0x00007ffff13a04e7 in gst_pad_push_event (pad=0x3007690, event=0x30595e0)
    at gstpad.c:4641
        ret = <optimized out>
        res = 0
        type = GST_PAD_PROBE_TYPE_EVENT_UPSTREAM
        sticky = 0
        serialized = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_event"
#82 0x00007ffff1397231 in gst_pad_send_event_unchecked (
    pad=pad@entry=0x30078c0, event=event@entry=0x30595e0, 
    type=type@entry=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4821
        ret = <optimized out>
        event_type = GST_EVENT_SEEK
        serialized = <optimized out>
        need_unlock = 0
        sticky = 0
        eventfunc = 0x7fffc0257b10 <gst_queue_handle_src_event>
        parent = 0x30562f0
        __PRETTY_FUNCTION__ = "gst_pad_send_event_unchecked"
#83 0x00007ffff1397a6a in gst_pad_push_event_unchecked (
    pad=pad@entry=0x3007230, event=event@entry=0x30595e0, 
    type=type@entry=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4514
        ret = <optimized out>
        peerpad = 0x30078c0
        event_type = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_event_unchecked"
#84 0x00007ffff13a04e7 in gst_pad_push_event (pad=0x3007230, 
    event=event@entry=0x30595e0) at gstpad.c:4641
        ret = <optimized out>
        res = 0
        type = GST_PAD_PROBE_TYPE_EVENT_UPSTREAM
        sticky = 0
        serialized = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_push_event"
#85 0x00007ffff16615d0 in gst_base_transform_src_eventfunc (trans=0x3046c00, 
    event=0x30595e0) at gstbasetransform.c:1897
        ret = -512
        __PRETTY_FUNCTION__ = "gst_base_transform_src_eventfunc"
#86 0x00007ffff1397231 in gst_pad_send_event_unchecked (
    pad=pad@entry=0x3007460, event=event@entry=0x30595e0, type=<optimized out>)
    at gstpad.c:4821
        ret = <optimized out>
        event_type = GST_EVENT_SEEK
        serialized = <optimized out>
        need_unlock = 0
        sticky = 0
        eventfunc = 0x7ffff165c6b0 <gst_base_transform_src_event>
        parent = 0x3046c00
        __PRETTY_FUNCTION__ = "gst_pad_send_event_unchecked"
#87 0x00007ffff13a08b7 in gst_pad_send_event (pad=0x3007460, event=0x30595e0)
    at gstpad.c:4983
        result = -512
        type = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_send_event"
#88 0x00007ffff7b6b28a in perform_seek (stream=stream@entry=0x3016030)
    at rb-player-gst-xfade.c:1189
        event = <optimized out>
        __FUNCTION__ = "perform_seek"
#89 0x00007ffff7b6b369 in perform_seek_idle (stream=0x3016030)
    at rb-player-gst-xfade.c:1212
No locals.
#90 0x00007ffff6c8da95 in g_main_dispatch (context=0x615600)
    at /build/buildd/glib2.0-2.34.3/./glib/gmain.c:2715
        dispatch = 0x7ffff6c8ae40 <g_idle_dispatch>
        was_in_call = 0
        user_data = 0x3016030
        callback = 0x7ffff7b6b360 <perform_seek_idle>
        cb_funcs = 0x7ffff6f3b9e0 <g_source_callback_funcs>
        cb_data = 0x2d9b5f0
        current_source_link = {data = 0x308a5a0, next = 0x0}
        need_destroy = <optimized out>
        source = 0x308a5a0
        current = 0x7ca120
        i = <optimized out>
#91 g_main_context_dispatch (context=context@entry=0x615600)
    at /build/buildd/glib2.0-2.34.3/./glib/gmain.c:3219
No locals.
#92 0x00007ffff6c8ddc8 in g_main_context_iterate (
    context=context@entry=0x615600, block=block@entry=1, 
    dispatch=dispatch@entry=1, self=<optimized out>)
    at /build/buildd/glib2.0-2.34.3/./glib/gmain.c:3290
        max_priority = 200
        timeout = 0
        some_ready = 1
        nfds = <optimized out>
        allocated_nfds = <optimized out>
        fds = 0x2dd8090
#93 0x00007ffff6c8de84 in g_main_context_iteration (context=0x615600, 
    context@entry=0x0, may_block=may_block@entry=1)
    at /build/buildd/glib2.0-2.34.3/./glib/gmain.c:3351
        retval = <optimized out>
#94 0x00007ffff722671c in g_application_run (application=0xa02040, 
    argc=argc@entry=1, argv=argv@entry=0x7fffffffdf78)
    at /build/buildd/glib2.0-2.34.3/./gio/gapplication.c:1624
        arguments = 0x9fc170
        status = -512
        i = <optimized out>
        __PRETTY_FUNCTION__ = "g_application_run"
#95 0x0000000000400f97 in main (argc=1, argv=0x7fffffffdf78) at main.c:110
        shell = 0xa02040
        autostarted = 0
        desktop_file_path = <optimized out>
        new_argc = 1
        new_argv = 0x7fffffffdf78
130	in ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S
Stack level 0, frame at 0x7fffffffa8b0:
 rip = 0x7ffff6a3780c in __lll_lock_wait
    (../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:135); 
    saved rip 0x7ffff6a33197
 called by frame at 0x7fffffffa930
 source language asm.
 Arglist at 0x7fffffffa890, args: 
 Locals at 0x7fffffffa890, Previous frame's sp is 0x7fffffffa8b0
 Saved registers:
  rdx at 0x7fffffffa898, r10 at 0x7fffffffa8a0, rip at 0x7fffffffa8a8
quit
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	Inferior 1 [process 7412] will be killed.

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