No, all the local departments encode is the Data channel, "channel 2" car to car, TAC 4 and 5 and the "Secret Squirrel" Drug taskforce street crimes etc channels. All the main dispatch channels and TAC 1,2&3 (fireground or special events channels) are in the clear.
On the Winamp feed. make sure you have your balance control centered and both computer speakers are working!
GJPD, MCSO and GJFD are on your right speaker. CSP and misc are on the left.