+static const uint32_t pi_channels_in[MAX_CHANNEL_POSITIONS] =
+ { FRONT_CHANNEL_CENTER, FRONT_CHANNEL_LEFT, FRONT_CHANNEL_RIGHT,
+ SIDE_CHANNEL_LEFT, SIDE_CHANNEL_RIGHT,
+ BACK_CHANNEL_LEFT, BACK_CHANNEL_RIGHT,
+ BACK_CHANNEL_CENTER, LFE_CHANNEL };
+static const uint32_t pi_channels_out[MAX_CHANNEL_POSITIONS] =
+ { AOUT_CHAN_CENTER, AOUT_CHAN_LEFT, AOUT_CHAN_RIGHT,
+ AOUT_CHAN_MIDDLELEFT, AOUT_CHAN_MIDDLERIGHT,
+ AOUT_CHAN_REARLEFT, AOUT_CHAN_REARRIGHT,
+ AOUT_CHAN_REARCENTER, AOUT_CHAN_LFE };
+static const uint32_t pi_channels_ordered[MAX_CHANNEL_POSITIONS] =
+ { AOUT_CHAN_LEFT, AOUT_CHAN_RIGHT,
+ AOUT_CHAN_MIDDLELEFT, AOUT_CHAN_MIDDLERIGHT,
+ AOUT_CHAN_REARLEFT, AOUT_CHAN_REARRIGHT,
+ AOUT_CHAN_CENTER, AOUT_CHAN_REARCENTER, AOUT_CHAN_LFE
+ };
+