Starting program: /home/pal181/.local/bin/gst-launch-1.0 videotestsrc ! alpha ! videomixer ! videoconvert ! xvimagesink
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Setting pipeline to PAUSED ...
[New Thread 0x7ffff3dee700 (LWP 12454)]
[New Thread 0x7ffff35ed700 (LWP 12455)]
Pipeline is PREROLLING ...
[New Thread 0x7ffff2dec700 (LWP 12456)]

Program received signal SIGILL, Illegal instruction.
[Switching to Thread 0x7ffff35ed700 (LWP 12455)]
0x00007ffff7fdc4a3 in ?? ()
(gdb) bt
#0  0x00007ffff7fdc4a3 in ?? ()
#1  0x00007ffff58d71eb in video_orc_convert_AYUV_BGRA (
    d1=0x7ffff7fcb000 "真真真真真真真真真真真真真真真真真真真真真真真真真真真真真真真真真真真真真真真真真真真真真真真真真真真真真真真真真真真真真真真真真真真真真真真真真真真真真真真真真真真真真真真真真真", d1_stride=0, 
    s1=0x7ffff7edb0a0 "真\200\200真\200\200真\200\200真\200\200真\200\200真\200\200真\200\200真\200\200真\200\200真\200\200真\200\200真\200\200真\200\200真\200\200真\200\200真\200\200真\200\200真\200\200真\200\200真\200\200真\200\200真\200\200真\200\200真\200\200真\200\200真\200\200真\200\200真\200\200真\200\200真\200\200真\200\200真\200\200真\200\200真\200\200真\200\200真\200\200真\200\200真\200\200真\200\200真\200\200真\200\200真\200\200真\200\200真\200\200真\200\200真\021\222真\021\222真\021\222真\021\222真\021\222"..., s1_stride=1280, p1=298, 
    p2=409, p3=516, p4=-100, p5=-208, n=320, m=240) at tmp-orc.c:19423
#2  0x00007ffff58a4ae9 in convert_AYUV_BGRA (convert=0x7fffe40199b0, 
    src=<optimised out>, dest=0x7ffff35ec440) at video-converter.c:3532
#3  0x00007ffff4d78544 in gst_video_convert_transform_frame (filter=0x805720, 
    in_frame=0x7ffff35ec1a0, out_frame=0x7ffff35ec440) at gstvideoconvert.c:692
#4  0x00007ffff58b11df in gst_video_filter_transform (trans=0x805720, 
    inbuf=<optimised out>, outbuf=0x814bd0) at gstvideofilter.c:271
#5  0x00007ffff5656881 in default_generate_output (trans=0x805720, 
    outbuf=0x7ffff35ec788) at gstbasetransform.c:2180
#6  0x00007ffff5658cde in gst_base_transform_chain (pad=pad@entry=0x7ec970, 
    parent=parent@entry=0x805720, buffer=buffer@entry=0x8149b0)
    at gstbasetransform.c:2333
#7  0x00007ffff7b22497 in gst_pad_chain_data_unchecked (data=0x8149b0, 
    type=<optimised out>, pad=0x7ec970) at gstpad.c:4196
#8  gst_pad_push_data (pad=pad@entry=0x7ec730, type=type@entry=4112, 
    data=<optimised out>, data@entry=0x8149b0) at gstpad.c:4448
#9  0x00007ffff7b2a61e in gst_pad_push (pad=0x7ec730, buffer=0x8149b0)
    at gstpad.c:4567
#10 0x00007ffff4f8a5d2 in gst_videomixer2_collected (pads=<optimised out>, 
    mix=0x7f4180) at videomixer2.c:1338
#11 0x00007ffff56620f9 in gst_collect_pads_check_collected (
    pads=pads@entry=0x7f60d0) at gstcollectpads.c:1374
#12 0x00007ffff5663928 in gst_collect_pads_chain (pad=pad@entry=0x812130, 
    parent=parent@entry=0x7f4180, buffer=buffer@entry=0x8148a0)
    at gstcollectpads.c:2222
#13 0x00007ffff7b22497 in gst_pad_chain_data_unchecked (data=0x8148a0, 
    type=<optimised out>, pad=0x812130) at gstpad.c:4196
#14 gst_pad_push_data (pad=pad@entry=0x7ec4f0, type=type@entry=4112, 
    data=<optimised out>, data@entry=0x8148a0) at gstpad.c:4448
#15 0x00007ffff7b2a61e in gst_pad_push (pad=0x7ec4f0, buffer=0x8148a0)
    at gstpad.c:4567
#16 0x00007ffff5658dd0 in gst_base_transform_chain (pad=pad@entry=0x7ec2b0, 
    parent=parent@entry=0x7f0000, buffer=buffer@entry=0x814680)
    at gstbasetransform.c:2369
#17 0x00007ffff7b22497 in gst_pad_chain_data_unchecked (data=0x814680, 
    type=<optimised out>, pad=0x7ec2b0) at gstpad.c:4196
#18 gst_pad_push_data (pad=pad@entry=0x7ec070, type=type@entry=4112, 
    data=<optimised out>, data@entry=0x814680) at gstpad.c:4448
#19 0x00007ffff7b2a61e in gst_pad_push (pad=pad@entry=0x7ec070, 
    buffer=0x814680) at gstpad.c:4567
#20 0x00007ffff5652815 in gst_base_src_loop (pad=0x7ec070) at gstbasesrc.c:2849
#21 0x00007ffff7b54e71 in gst_task_func (task=0x821050) at gsttask.c:334
#22 0x00007ffff75c788c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#23 0x00007ffff75c6f05 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007ffff7343184 in start_thread (arg=0x7ffff35ed700)
    at pthread_create.c:312
#25 0x00007ffff707037d in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

