XBMC ALSA

pcm.xbmc_win51 {
@args.0 SLAVE
@args.SLAVE {
type string
default "default"
}
type route
slave {
pcm $SLAVE
channels 6
}
ttable {
0.0= 1
1.1= 1
2.2= 1
3.3= 1
4.4= 1
5.5= 1
}
}

pcm.xbmc_win50 {
@args.0 SLAVE
@args.SLAVE {
type string
default "default"
}
type route
slave {
pcm $SLAVE
channels 5
}
ttable {
0.0= 1
1.1= 1
2.2= 1
3.3= 1
4.4= 1
}
}

# FL, C, FR, SL, SR, LFE
pcm.xbmc_ogg51 {
@args.0 SLAVE
@args.SLAVE {
type string
default "default"
}
type route
slave {
pcm $SLAVE
channels 6
}
ttable {
0.0= 1
1.1= 1
2.2= 1
3.3= 1
4.4= 1
5.5= 1
}
}

pcm.xbmc_ogg50 {
@args.0 SLAVE
@args.SLAVE {
type string
default "default"
}
type route
slave {
pcm $SLAVE
channels 5
}
ttable {
0.0= 1
1.1= 1
2.2= 1
3.3= 1
4.4= 1
}
}

# C, FL, FR, SL, SR, LFE
pcm.xbmc_aac51 {
@args.0 SLAVE
@args.SLAVE {
type string
default "default"
}
type route
slave {
pcm $SLAVE
channels 6
}
ttable {
0.0= 1
1.1= 1
2.2= 1
3.3= 1
4.4= 1
5.5= 1
}
}

pcm.xbmc_aac50 {
@args.0 SLAVE
@args.SLAVE {
type string
default "default"
}
type route
slave {
pcm $SLAVE
channels 6
}
ttable {
0.0= 1
1.1= 1
2.2= 1
3.3= 1
4.4= 1
}
}

# this could potentially be used to encode multichannels
# to ac3 for passthrough out an spdif
pcm.xbmc_a52encode {
type a52
}

# downmixing to 2 channels
pcm.xbmc_51to2 {
@args.0 SLAVE
@args.SLAVE {
type string
default "default"
}
type plug
slave.pcm $SLAVE
slave.channels 2
route_policy duplicate
ttable.0.0 1 # front left speaker
ttable.1.1 1 # front right speaker
ttable.2.0 0.7 # rear left speaker
ttable.3.1 0.7 # rear right speaker
ttable.4.0 0.7 # center to left mapping
ttable.4.1 0.7 # center to right mapping
ttable.5.0 0.7 # LFE (base) to left mapping
ttable.5.1 0.7 # LFE to right mapping
}

# downmixing to 2 channels
pcm.xbmc_50to2 {
@args.0 SLAVE
@args.SLAVE {
type string
default "default"
}
type plug
slave.pcm $SLAVE
slave.channels 2
route_policy duplicate
ttable.0.0 1 # front left speaker
ttable.1.1 1 # front right speaker
ttable.2.0 0.7 # rear left speaker
ttable.3.1 0.7 # rear right speaker
ttable.4.0 0.7 # center to left mapping
ttable.4.1 0.7 # center to right mapping
}