#0  0xb701b0b4 in gst_caps_subtract () from /usr/lib/libgstreamer-0.10.so.0
#1  0xb701b3a0 in gst_caps_is_subset () from /usr/lib/libgstreamer-0.10.so.0
#2  0xb701b41e in gst_caps_is_equal () from /usr/lib/libgstreamer-0.10.so.0
#3  0xb703c716 in gst_pad_accept_caps () from /usr/lib/libgstreamer-0.10.so.0
#4  0xb703cf4c in ?? () from /usr/lib/libgstreamer-0.10.so.0
#5  0xb703de32 in gst_pad_push () from /usr/lib/libgstreamer-0.10.so.0
#6  0xb702d31d in ?? () from /usr/lib/libgstreamer-0.10.so.0
#7  0xb703cac5 in ?? () from /usr/lib/libgstreamer-0.10.so.0
#8  0xb703deba in gst_pad_push () from /usr/lib/libgstreamer-0.10.so.0
#9  0xb39461a2 in ?? () from /usr/lib/gstreamer-0.10/libgstcoreelements.so
#10 0xb705f593 in ?? () from /usr/lib/libgstreamer-0.10.so.0
#11 0xb6e0b2d6 in ?? () from /usr/lib/libglib-2.0.so.0
#12 0xb6e09c3f in ?? () from /usr/lib/libglib-2.0.so.0
#13 0xb7d554ff in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#14 0xb6cbe3fe in clone () from /lib/tls/i686/cmov/libc.so.6