+; new in 4.2
+dresser
+; broken in 4.3
+#anlms ###Input/output error
+#axcorrelate ###Input/output error
+#freezeframes ###Input/output error
+#maskedmax ###Input/output error
+#maskedmin ###Input/output error
+#maskedthreshold ###Input/output error
+#overlay_cuda ###Input/output error
+#xfade ###Input/output error
+#arnndn ###Invalid argument
+#dnn_processing ###Invalid argument
+#tonemap_vaapi ###Operation not permitted
+#afirsrc ###Operation not permitted
+#; the ffmpeg system library on Arch has these errors:
+#ladspa
+#ass
+#drawtext
+#subtitles
+; new in 4.4
+chromanr
+afreqshift
+aphseshift
+adenorm
+asupercut
+asubcut
+asuperpass
+asuperstop
+shufflepixels
+tmidequalizer
+estdif
+epx
+shear
+kirsch
+colortemperature
+colorcontrast
+colorcorrect
+colorize
+aexciter
+exposure
+monochrome
+; broken in 4.4
+#speechnorm
+#bitstream
+#identity ###Input/output error
+#msad ###Input/output error
+#setts
+#vif ###Input/output error