==31791== Memcheck, a memory error detector
==31791== Copyright (C) 2002-2015, and GNU GPL'd, by Julian Seward et al.
==31791== Using Valgrind-3.11.0 and LibVEX; rerun with -h for copyright info
==31791== Command: gst-launch-1.0 videotestsrc ! alpha ! videoconvert ! xvimagesink
==31791== 
Setting pipeline to PAUSED ...
Pipeline is PREROLLING ...
==31791== Thread 3 videotestsrc0:sr:
==31791== Invalid write of size 8
==31791==    at 0x402B4A9: ??? (in /run/user/599712/orcexec.sVRY5L (deleted))
==31791==    by 0x77C1A1D: video_orc_convert_AYUV_BGRA (tmp-orc.c:19422)
==31791==    by 0x778D89E: convert_AYUV_BGRA (video-converter.c:3532)
==31791==    by 0x80E4538: gst_video_convert_transform_frame (gstvideoconvert.c:692)
==31791==    by 0x7799E1D: gst_video_filter_transform (gstvideofilter.c:271)
==31791==    by 0x7A26624: default_generate_output (gstbasetransform.c:2180)
==31791==    by 0x7A25EC5: gst_base_transform_chain (gstbasetransform.c:2333)
==31791==    by 0x4EA861E: gst_pad_chain_data_unchecked (gstpad.c:4177)
==31791==    by 0x4EA861E: gst_pad_push_data (gstpad.c:4429)
==31791==    by 0x4EB0552: gst_pad_push (gstpad.c:4548)
==31791==    by 0x7A25FAC: gst_base_transform_chain (gstbasetransform.c:2369)
==31791==    by 0x4EA861E: gst_pad_chain_data_unchecked (gstpad.c:4177)
==31791==    by 0x4EA861E: gst_pad_push_data (gstpad.c:4429)
==31791==    by 0x4EB0552: gst_pad_push (gstpad.c:4548)
==31791==  Address 0x404c000 is not stack'd, malloc'd or (recently) free'd
==31791== 
Caught SIGSEGV
#0  0x0000000038135e8c in ?? ()
#1  0x0000000000000008 in ?? ()
#2  0x0000000802ca9dc0 in ?? ()
#3  0x0000000802ca9d80 in ?? ()
#4  0x00000008020083e0 in ?? ()
#5  0x0000000000000007 in ?? ()
#6  0x0000000802384418 in ?? ()
#7  0x0000000802384460 in ?? ()
#8  0x0000000000000007 in ?? ()
#9  0x00000008020083d0 in ?? ()
#10 0x0000000000000001 in ?? ()
#11 0x00000008023843d0 in ?? ()
#12 0x00000000380d6331 in ?? ()
#13 0x0000000000000000 in ?? ()
==31857== 
==31857== HEAP SUMMARY:
==31857==     in use at exit: 2,336,107 bytes in 20,667 blocks
==31857==   total heap usage: 40,485 allocs, 19,818 frees, 8,756,093 bytes allocated
==31857== 
==31857== LEAK SUMMARY:
==31857==    definitely lost: 0 bytes in 0 blocks
==31857==    indirectly lost: 0 bytes in 0 blocks
==31857==      possibly lost: 4,532 bytes in 62 blocks
==31857==    still reachable: 2,254,375 bytes in 20,327 blocks
==31857==                       of which reachable via heuristic:
==31857==                         length64           : 272 bytes in 5 blocks
==31857==                         newarray           : 1,600 bytes in 20 blocks
==31857==         suppressed: 0 bytes in 0 blocks
==31857== Rerun with --leak-check=full to see details of leaked memory
==31857== 
==31857== For counts of detected and suppressed errors, rerun with: -v
==31857== ERROR SUMMARY: 2 errors from 1 contexts (suppressed: 0 from 0)
Spinning.  Please run 'gdb gst-launch-1.0 31791' to continue debugging, Ctrl-C to quit, or Ctrl-\ to dump core.
