Thanks to Leo Vivier for the original profile (this one includes a few
tweaks of my own).
--- /dev/null
+# Uncomment this line to load the profile by default.
+# Otherwise, launch mpv with '--profile=emacsconf-talks'.
+#profile=emacsconf-talks
+
+[emacsconf-talks]
+profile-desc="For playing prerecorded talk videos during EmacsConf."
+# --- Positioning ---
+video-zoom=-0.15
+video-pan-y=-0.055
+sub-use-margins=yes
+sub-scale-by-window=yes
+#sub-pos=103
+sub-pos=100
+sub-margin-x=150
+#sub-margin-y=40
+sub-margin-y=20
+# --- Style ---
+#sub-font="Clear Sans Bold"
+sub-font="FreeSans Bold"
+sub-color="1/0.82/0"
+sub-blur=0.2
+sub-scale=0.9
+#sub-font-size=40
+#sub-font-size=32
+sub-font-size=34
+sub-border-size=0
+sub-border-color=0/1
+sub-shadow-color=0/1
+sub-shadow-offset=1.2
+sub-ass-force-style=Kerning=yes
+sub-ass-line-spacing=0