(gdb) run --hwdec=vaapi ~/burosch1.mpg
Starting program: /mnt/sdb1/Gits/mpv-build/mpv/build/mpv --hwdec=vaapi ~/burosch1.mpg
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/libthread_db.so.1".
[New Thread 0x7fffedb31700 (LWP 573)]
Playing: /home/andy/burosch1.mpg
[New Thread 0x7fffed330700 (LWP 574)]
[Thread 0x7fffed330700 (LWP 574) exited]
 (+) Video --vid=1 (mpeg2video)
[New Thread 0x7fffed330700 (LWP 575)]
[New Thread 0x7fffecb2f700 (LWP 576)]
[New Thread 0x7fffe7fff700 (LWP 577)]
libva info: VA-API version 0.38.1
libva info: va_getDriverName() returns 0
libva info: Trying to open /usr/lib/dri/radeonsi_drv_video.so
libva info: Found init function __vaDriverInit_0_38
libva info: va_openDriver() returns 0
[Thread 0x7fffe7fff700 (LWP 577) exited]
mpv: picture_mpeg12.c:84: vlVaHandleSliceParameterBufferMPEG12: Assertion `buf->size >= sizeof(VASliceParameterBufferMPEG2) && buf->num_elements == 1' failed.

Program received signal SIGABRT, Aborted.
0x00007ffff13695c8 in raise () from /lib/libc.so.6
(gdb) bt
#0  0x00007ffff13695c8 in raise () from /lib/libc.so.6
#1  0x00007ffff136aa4a in abort () from /lib/libc.so.6
#2  0x00007ffff13623e7 in __assert_fail_base () from /lib/libc.so.6
#3  0x00007ffff1362492 in __assert_fail () from /lib/libc.so.6
#4  0x00007fffe33deb8b in vlVaHandleSliceParameterBufferMPEG12 (context=context@entry=0x1e429f0, buf=buf@entry=0x1e3d740) at picture_mpeg12.c:84
#5  0x00007fffe33de69b in handleSliceParameterBuffer (buf=0x1e3d740, context=0x1e429f0) at picture.c:183
#6  vlVaRenderPicture (ctx=<optimized out>, context_id=<optimized out>, buffers=<optimized out>, num_buffers=<optimized out>) at picture.c:321
#7  0x0000000000d9db90 in ff_vaapi_mpeg_end_frame ()
#8  0x00000000009095d4 in decode_chunks ()
#9  0x000000000090a8e7 in mpeg_decode_frame ()
#10 0x0000000000a6ad88 in avcodec_decode_video2 ()
#11 0x00000000005097c6 in decode (vd=vd@entry=0x1e25150, packet=packet@entry=0x7fffdc016fd0, flags=flags@entry=0, out_image=out_image@entry=0x7fffffffdb58) at ../video/decode/vd_lavc.c:649
#12 0x000000000050a075 in decode_with_fallback (vd=0x1e25150, packet=0x7fffdc016fd0, flags=0) at ../video/decode/vd_lavc.c:704
#13 0x0000000000507bdc in decode_packet (d_video=d_video@entry=0x1e25150, packet=0x7fffdc016fd0, drop_frame=drop_frame@entry=0) at ../video/decode/dec_video.c:296
#14 0x00000000005087fb in video_work (d_video=d_video@entry=0x1e25150) at ../video/decode/dec_video.c:416
#15 0x00000000004e0667 in decode_image (mpctx=0x1ddddb0) at ../player/video.c:448
#16 video_decode_and_filter (mpctx=mpctx@entry=0x1ddddb0) at ../player/video.c:553
#17 0x00000000004e1c60 in video_output_image (endpts=-9.2233720368547758e+18, mpctx=0x1ddddb0) at ../player/video.c:709
#18 write_video (mpctx=mpctx@entry=0x1ddddb0, endpts=endpts@entry=-9.2233720368547758e+18) at ../player/video.c:1194
#19 0x00000000004ddd3e in run_playloop (mpctx=mpctx@entry=0x1ddddb0) at ../player/playloop.c:945
#20 0x00000000004d9262 in play_current_file (mpctx=0x1ddddb0) at ../player/loadfile.c:1225
#21 mp_play_files (mpctx=mpctx@entry=0x1ddddb0) at ../player/loadfile.c:1378
#22 0x00000000004da12c in mpv_main (argc=<optimized out>, argv=0x7fffffffe128) at ../player/main.c:517
#23 0x00007ffff13565e0 in __libc_start_main () from /lib/libc.so.6
#24 0x000000000047fd49 in _start ()