Apply !153

data/profiles.xml

@@ -10,6 +10,9 @@
    audiobitrates="256,64" defaultaudiobitrate="160"
    args="f=mp4 movflags=+faststart vcodec=libx264 progressive=1 g=15 bf=2 crf=%quality acodec=aac ab=%audiobitrate+'k'"
    speeds="preset=slower;preset=medium;preset=faster;preset=ultrafast"/>
+  <profile name="AV1 - patent-free" extension="webm"
+   qualities="15,20,45" defaultquality="30"
+   args="f=webm acodec=libopus ar=48000 ab=128k vcodec=libaom-av1 vb=0 crf=%quality row-mt=1 tile-columns=2 tile-rows=1 cpu-used=4 strict=experimental"/>
   <profile name="MPEG-2" extension="mpg"
    qualities="3,15" defaultquality="5"
    audioqualities="3,7" defaultaudioquality="3"