+#acrossover ###Operation not permitted
+#aiir ###Operation not permitted
+#amultiply ###Input/output error
+#bm3d sigma=3:block=4:bstep=2:group=1:estim=basic ###Operation not permitted
+#sr ###Input/output error
+#xstack ###Operation not permitted
+#agraphmonitor ###Input/output error
+; the ffmpeg system library on Arch has these errors:
+#ladspa
+#ass
+#drawtext
+#subtitles