The asound.state file from longsleep's git has sane default mixer settings, combined with pulseaudio in Mate Desktop, sound just works for me so far, using the Pine to play BBC world service radio stream atm :-)
If you use mplayer or any other player, make sure it is pointing to the correct ALSA output card and device... card 1: audiocodec [audiocodec], device 0: SUNXI-CODEC codec-aif1-0 [] is the correct one, the other ones on card 1 are either for the cellphone baseband modem (which we dont have :-) ) or for the bluetooth audio PCM channels ...
If you use mplayer or any other player, make sure it is pointing to the correct ALSA output card and device... card 1: audiocodec [audiocodec], device 0: SUNXI-CODEC codec-aif1-0 [] is the correct one, the other ones on card 1 are either for the cellphone baseband modem (which we dont have :-) ) or for the bluetooth audio PCM channels ...
Come have a chat in the Pine IRC channel >>