Increase maximum possible buffer length

- updated snapserver.conf
- allow wifi bandwith of 40MHz
- add debug messages (disabled by default)

Signed-off-by: Karl Osterseher <karli_o@gmx.at>

snapcast/snapserver.conf

@@ -136,7 +136,7 @@ doc_root = /usr/share/snapserver/snapweb
 source = pipe:///tmp/snapfifo?name=default
 
 # Default sample format
-sampleformat = 48000:16:2
+sampleformat = 44100:16:2
 
 # Default transport codec
 # (flac|ogg|opus|pcm)[:options]
@@ -147,8 +147,13 @@ codec = flac
 #chunk_ms = 20
 
 # Buffer [ms]
-buffer = 504
-
+# WROOM (modules with no static RAM)
+buffer = 900		# this is on the edge of the possible for 44100:16:2,
+					# you'll probably get some memory allocation errors
+					# which most certainly will be audible as clicks.
+					# You will want to set this a bit lower, please experiment yourself.
+# WROVER (modules with static RAM)
+#buffer = 1000		# you'll have more than enough RAM to go even higher
 
 # Send audio to muted clients
 #send_to_muted = false