Document --encoder option
Add documentation for the new option --encoder in the manpage and in
README.md.
@@ -56,6 +56,10 @@ The list of possible display ids can be listed by "adb shell dumpsys display"
Default is 0.
+.TP
+.BI "\-\-encoder " name
+Use a specific MediaCodec encoder (must be a H.264 encoder).
+
.TP
.B \-\-force\-adb\-forward
Do not attempt to use "adb reverse" to connect to the device.
