NULL deref in rendering wave/motiondetect filtered YUY2 video
STR: Open a YUY2 chroma video. Open the Effects dialog, and in Video Effects -> Advanced, check Wave, and then check Motion detect (order matters!)
VLC will then crash.
[#0](https://code.videolan.org/videolan/vlc/-/issues/0) Display (vd=0xb3ea28, pic=0x7fffe43ce880, subpicture=0x0) at ../../../modules/video_output/xcb/xvideo.c:724
[#1](https://code.videolan.org/videolan/vlc/-/issues/1) 0x00007ffff794d3a5 in vout_display_Display (subpicture=0x0, picture=<optimized out>, vd=0xb3ea28) at ../../include/vlc_vout_wrapper.h:57
[#2](https://code.videolan.org/videolan/vlc/-/issues/2) ThreadDisplayRenderPicture (is_forced=false, vout=0x9663c8) at ../../src/video_output/video_output.c:1053
[#3](https://code.videolan.org/videolan/vlc/-/issues/3) ThreadDisplayPicture (vout=0x9663c8, now=<optimized out>, deadline=0x7fffdb4dee00) at ../../src/video_output/video_output.c:1126
[#4](https://code.videolan.org/videolan/vlc/-/issues/4) 0x00007ffff794e52a in ThreadManage (postprocessing=0x7fffdb4deea0, interlacing=0x7fffdb4dee70, deadline=0x7fffdb4dee90, vout=0x9663c8)
at ../../src/video_output/video_output.c:1138
[#5](https://code.videolan.org/videolan/vlc/-/issues/5) Thread (object=0x9663c8) at ../../src/video_output/video_output.c:1581
[#6](https://code.videolan.org/videolan/vlc/-/issues/6) 0x00007ffff7009df0 in start_thread () from /lib/libpthread.so.0
[#7](https://code.videolan.org/videolan/vlc/-/issues/7) 0x00007ffff6b4b3ed in clone () from /lib/libc.so.6
[#8](https://code.videolan.org/videolan/vlc/-/issues/8) 0x0000000000000000 in ?? ()