StacktraceTop: gst_stream_get_other_pad_from_pad (pad=0x7f77a6e994b0) at gststreamsynchronizer.c:102 gst_stream_synchronizer_query (pad=0x7f77a6e994b0, query=0x7f77a644be00) at gststreamsynchronizer.c:144 gst_proxy_pad_query_default (pad=<optimized out>, query=0x7f77a644be00) at gstghostpad.c:161 gst_queue_handle_src_query (pad=<optimized out>, query=0x7f77a644be00) at gstqueue.c:1334 gst_proxy_pad_query_default (pad=<optimized out>, query=0x7f77a644be00) at gstghostpad.c:161
StacktraceTop: get_other_ pad_from_ pad (pad=0x7f77a6e9 94b0) at gststreamsynchr onizer. c:102 synchronizer_ query (pad=0x7f77a6e9 94b0, query=0x7f77a64 4be00) at gststreamsynchr onizer. c:144 pad_query_ default (pad=<optimized out>, query=0x7f77a64 4be00) at gstghostpad.c:161 handle_ src_query (pad=<optimized out>, query=0x7f77a64 4be00) at gstqueue.c:1334 pad_query_ default (pad=<optimized out>, query=0x7f77a64 4be00) at gstghostpad.c:161
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