[FFmpeg-devel] avcodec/vaapi_h264: skip decode if pic has no slices

[Peter F]

Fixes / workarounds: https://bugs.freedesktop.org/show_bug.cgi?id=105368
[1]in ffmpeg
This bug hits several AMD VAAPI users, especially those using h264 channels
via DVB-X: https://github.com/xbmc/xbmc/issues/15704

Typical backtrace in ffmpeg code, which fits the description in [1]:

#0  __memset_sse2_unaligned_erms () at
../sysdeps/x86_64/multiarch/memset-vec-unaligned-erms.S:186
#1  0x00007ff39a9607b4 in ?? () from
/usr/lib/x86_64-linux-gnu/dri/r600_drv_video.so
#2  0x00007ff39a6bf6a1 in ?? () from
/usr/lib/x86_64-linux-gnu/dri/r600_drv_video.so
#3  0x00007ff3d1763820 in vaEndPicture () from
/usr/lib/x86_64-linux-gnu/libva.so.2
#4  0x000055cd92b3655a in ff_vaapi_decode_issue ()
#5  0x000055cd926dc8e1 in ?? ()
#6  0x000055cd92a4975c in ff_h264_field_end ()
#7  0x000055cd92455ca1 in ?? ()
#8  0x000055cd923a3727 in ?? ()
#9  0x000055cd923a6448 in avcodec_send_packet ()



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