#0  gst_caps_subtract (minuend=<value optimized out>, 
    subtrahend=0x7fee9c03a680) at gstcaps.c:1380
	i = 0
	j = 15125376
	min = (GstStructure *) 0x7fee9c03a680
	sub = (GstStructure *) 0x7feeb9944be4
	dest = (GstCaps *) 0x0
	src = (GstCaps *) 0xc4b1c0
	__PRETTY_FUNCTION__ = "gst_caps_subtract"
#1  0x00007feeb96b2bfd in gst_caps_is_subset (subset=0x25ae280, 
    superset=0x7fee9c03a680) at gstcaps.c:1056
	caps = <value optimized out>
	ret = <value optimized out>
	__PRETTY_FUNCTION__ = "gst_caps_is_subset"
#2  0x00007feeb96b2c6d in gst_caps_is_equal (caps1=0x25ae280, 
    caps2=0x7fee9c03a680) at gstcaps.c:1093
No locals.
#3  0x00007feeb96d1c1c in gst_pad_accept_caps (pad=0x123ba70, caps=0x25ae280)
    at gstpad.c:2317
	result = <value optimized out>
	acceptfunc = <value optimized out>
	existing = (GstCaps *) 0x175af430
	__PRETTY_FUNCTION__ = "gst_pad_accept_caps"
#4  0x00007feeb96d2365 in gst_pad_configure_src (pad=0x123ba70, 
    caps=0x25ae280, dosetcaps=0) at gstpad.c:2502
	res = 0
	__PRETTY_FUNCTION__ = "gst_pad_configure_src"
#5  0x00007feeb96d31e0 in gst_pad_push (pad=0x123ba70, buffer=0x1fe5440)
    at gstpad.c:4053
	peer = (GstPad *) 0xe6cb80
	ret = <value optimized out>
	caps = (GstCaps *) 0x25ae280
	caps_changed = 1
	__PRETTY_FUNCTION__ = "gst_pad_push"
#6  0x00007feeb96d1f76 in gst_pad_chain_unchecked (pad=0x1287a70, 
    buffer=0x1fe5440) at gstpad.c:3890
	caps = (GstCaps *) 0x25ae280
	caps_changed = <value optimized out>
	chainfunc = (
    GstPadChainFunction) 0x7feeb96c35e0 <gst_proxy_pad_do_chain>
	ret = <value optimized out>
	__PRETTY_FUNCTION__ = "gst_pad_chain_unchecked"
#7  0x00007feeb96d3253 in gst_pad_push (pad=0x1ef48a0, buffer=0x1fe5440)
    at gstpad.c:4057
	peer = (GstPad *) 0x1287a70
	ret = <value optimized out>
	caps = (GstCaps *) 0x25ae280
	caps_changed = 0
	__PRETTY_FUNCTION__ = "gst_pad_push"
#8  0x00007feeba1ae0e4 in gst_base_transform_chain (
    pad=<value optimized out>, buffer=0x1fe5440) at gstbasetransform.c:2030
	trans = (GstBaseTransform *) 0x1efa400
	ret = GST_FLOW_OK
	last_stop = <value optimized out>
	outbuf = (GstBuffer *) 0x175af430
#9  0x00007feeb96d1f76 in gst_pad_chain_unchecked (pad=0x1ef4730, 
    buffer=0x1fe5440) at gstpad.c:3890
	caps = (GstCaps *) 0xc599c0
	caps_changed = <value optimized out>
	chainfunc = (
    GstPadChainFunction) 0x7feeba1adff0 <gst_base_transform_chain>
	ret = <value optimized out>
	__PRETTY_FUNCTION__ = "gst_pad_chain_unchecked"
#10 0x00007feeb96d3253 in gst_pad_push (pad=0x1ef45c0, buffer=0x1fe5440)
    at gstpad.c:4057
	peer = (GstPad *) 0x1ef4730
	ret = <value optimized out>
	caps = (GstCaps *) 0xc599c0
	caps_changed = 0
	__PRETTY_FUNCTION__ = "gst_pad_push"
#11 0x00007feeba1ae0e4 in gst_base_transform_chain (
    pad=<value optimized out>, buffer=0x1fe5440) at gstbasetransform.c:2030
	trans = (GstBaseTransform *) 0x1090d50
	ret = GST_FLOW_OK
	last_stop = <value optimized out>
	outbuf = (GstBuffer *) 0x175af430
#12 0x00007feeb96d1f76 in gst_pad_chain_unchecked (pad=0x1ef4450, 
    buffer=0x1fe5440) at gstpad.c:3890
	caps = (GstCaps *) 0x25ae200
	caps_changed = <value optimized out>
	chainfunc = (
    GstPadChainFunction) 0x7feeba1adff0 <gst_base_transform_chain>
	ret = <value optimized out>
	__PRETTY_FUNCTION__ = "gst_pad_chain_unchecked"
#13 0x00007feeb96d3253 in gst_pad_push (pad=0x1ef42e0, buffer=0x1fe5440)
    at gstpad.c:4057
	peer = (GstPad *) 0x1ef4450
	ret = <value optimized out>
	caps = (GstCaps *) 0x25ae200
	caps_changed = 0
	__PRETTY_FUNCTION__ = "gst_pad_push"
#14 0x00007feeba1ae0e4 in gst_base_transform_chain (
    pad=<value optimized out>, buffer=0x1fe5440) at gstbasetransform.c:2030
	trans = (GstBaseTransform *) 0x1efa090
	ret = GST_FLOW_OK
	last_stop = <value optimized out>
	outbuf = (GstBuffer *) 0x175af430
#15 0x00007feeb96d1f76 in gst_pad_chain_unchecked (pad=0x1ef4170, 
    buffer=0x1fe5440) at gstpad.c:3890
	caps = (GstCaps *) 0x25ae240
	caps_changed = <value optimized out>
	chainfunc = (
    GstPadChainFunction) 0x7feeba1adff0 <gst_base_transform_chain>
	ret = <value optimized out>
	__PRETTY_FUNCTION__ = "gst_pad_chain_unchecked"
#16 0x00007feeb96d3253 in gst_pad_push (pad=0x1f0a250, buffer=0x1fe5440)
    at gstpad.c:4057
	peer = (GstPad *) 0x1ef4170
	ret = <value optimized out>
	caps = (GstCaps *) 0x25ae240
	caps_changed = 1
	__PRETTY_FUNCTION__ = "gst_pad_push"
#17 0x00007feeb96d1f76 in gst_pad_chain_unchecked (pad=0x1f09080, 
    buffer=0x1fe5440) at gstpad.c:3890
	caps = (GstCaps *) 0xc59800
	caps_changed = <value optimized out>
	chainfunc = (
    GstPadChainFunction) 0x7feeb96c35e0 <gst_proxy_pad_do_chain>
	ret = <value optimized out>
	__PRETTY_FUNCTION__ = "gst_pad_chain_unchecked"
#18 0x00007feeb96d3253 in gst_pad_push (pad=0x7fee9016ce60, buffer=0x1fe5440)
    at gstpad.c:4057
	peer = (GstPad *) 0x1f09080
	ret = <value optimized out>
	caps = (GstCaps *) 0xc59800
	caps_changed = 0
	__PRETTY_FUNCTION__ = "gst_pad_push"
#19 0x00007feeaa0ce832 in gst_queue_loop (pad=<value optimized out>)
    at gstqueue.c:1047
	queue = (GstQueue *) 0x1f0d8c0
	ret = <value optimized out>
	__PRETTY_FUNCTION__ = "gst_queue_loop"
#20 0x00007feeb96f2d86 in gst_task_func (task=0x7fee9012c670, 
    tclass=<value optimized out>) at gsttask.c:192
	lock = (GStaticRecMutex *) 0x7fee88026480
	tself = (GThread *) 0x7fee880084e0
	__PRETTY_FUNCTION__ = "gst_task_func"
#21 0x00007feeb3846417 in g_thread_pool_thread_proxy (
    data=<value optimized out>)
    at /build/buildd/glib2.0-2.19.5/glib/gthreadpool.c:265
	task = (gpointer) 0x7fee9012c670
	pool = (GRealThreadPool *) 0xc04ed0
#22 0x00007feeb3844e84 in g_thread_create_proxy (data=0x7fee880084e0)
    at /build/buildd/glib2.0-2.19.5/glib/gthread.c:635
	__PRETTY_FUNCTION__ = "g_thread_create_proxy"
#23 0x00007feeb67173ba in start_thread () from /lib/libpthread.so.0
#24 0x00007feeb35550ad in clone () from /lib/libc.so.6
#25 0x0000000000000000 in ?? ()