TLV320AIC3110: Clarifications about the output power of the component

Part Number:TLV320AIC3110

Hello all,

The output power of the TLV320AIC3110 is specify as: 

Stereo 1.29-W Class-D BTL 8-Ω Speaker Driver

Does it mean that output power is 2x1.29W, or 1.29W for both channels?

Second,Is the output power refers to RMS, Average power or other?

Thanks,

Nir