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|
{-# LANGUAGE TemplateHaskell #-}
{-# LANGUAGE GeneralizedNewtypeDeriving, StandaloneDeriving, DeriveGeneric #-}
module Trivstream.Types
( AudioConfig(..)
, AudioBackend(..)
, SampleRate(..)
, Configuration(..)
, Mode (..)
, module Data.Default.Class
) where
import Control.Lens
import Control.Lens.TH
import Data.Default.Class (Default(..))
import Data.Serialize (Serialize)
import GHC.Generics (Generic)
import Foreign.C.Types (CInt(..))
import Sound.Pulse.Simple (ChannelPosition(..), ChannelPan(..))
import Sound.JACK ()
import Network.Socket (Family(..), SocketType(..), ProtocolNumber(..), SockAddr(..))
deriving instance Generic ChannelPan
instance Serialize ChannelPan
deriving instance Generic ChannelPosition
instance Serialize ChannelPosition
data AudioBackend = Pulse | Jack
deriving (Enum, Eq, Generic, Show, Read)
instance Default AudioBackend where
def = Pulse
instance Serialize AudioBackend
-- | Numeric instances consider this value to be in `kHz`
newtype SampleRate = SampleRate Int
deriving (Eq, Ord, Enum, Num, Real, Integral, Generic)
makePrisms ''SampleRate
instance Default SampleRate where
def = 44100
instance Serialize SampleRate
data AudioConfig = AudioConfig
{ _aBackend :: AudioBackend
, _aChannels :: [Maybe ChannelPosition]
, _aRate :: Maybe SampleRate
} deriving (Generic)
makeLenses ''AudioConfig
instance Default AudioConfig where
def = AudioConfig
{ _aBackend = def
, _aChannels = [Just $ ChannelNormal PanLeft, Just $ ChannelNormal PanRight]
, _aRate = Just def
}
instance Serialize AudioConfig
data Mode = Server | Client
deriving (Enum, Eq, Generic, Show, Read)
instance Default Mode where
def = Server
instance Serialize Mode
data Configuration = Configuration
{ _cMode :: Mode
, _cSocketDesc :: Maybe (Family, SocketType, ProtocolNumber, SockAddr)
, _cAudio :: AudioConfig
} deriving (Generic)
makeLenses ''Configuration
instance Default Configuration where
def = Configuration
{ _cMode = def
, _cSocketDesc = Nothing
, _cAudio = def
}
|
