parse configuration file

sunshine.conf.example

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+# Pretty self-explanatory
+# If no external IP address is given, the local IP address is used
+# external_ip = 123.456.789.12
+
+# The private key must be 2048 bits
+# pkey = /dir/pkey.pem
+
+# The certificate must be signed with a 2048 bit key
+# cert = /dir/cert.pem
+
+# Pretty self-explanatory
+unique_id = 03904e64-51da-4fb3-9afd-a9f7ff70fea4
+
+# The file where info on paired devices is stored 
+file_devices = devices.xml
+
+# How long to wait in milliseconds for data from moonlight before shutting down the stream
+ping_timeout = 2000 
+
+###############################################
+# FFmpeg software encoding parameters
+# Honestly, I have no idea what the optimal values would be.
+# Play around with this :)
+max_b_frames = 16
+gop_size = 24
+
+# Constant Rate Factor. Between 1 and 52.
+# Higher value means more compression, but less quality
+crf = 35