Sound.ALSA.PCM

Synopsis

• class (Storable y, C y) => SampleFmt y where
• type SampleFreq = Int
• type Time = Int
• type Size = Int
• data SoundFmt y = SoundFmt {
  • sampleFreq :: SampleFreq
  }
• data SoundSource handle y = SoundSource {
  • soundSourceOpen :: IO (handle y)
  • soundSourceClose :: handle y -> IO ()
  • soundSourceStart :: handle y -> IO ()
  • soundSourceStop :: handle y -> IO ()
  • soundSourceRead :: handle y -> Ptr y -> Size -> IO Size
  }
• data SoundSink handle y = SoundSink {
  • soundSinkOpen :: IO (handle y)
  • soundSinkClose :: handle y -> IO ()
  • soundSinkWrite :: handle y -> Ptr y -> Size -> IO ()
  • soundSinkStart :: handle y -> IO ()
  • soundSinkStop :: handle y -> IO ()
  }
• data SoundBufferTime = SoundBufferTime {
  • bufferTime, periodTime :: Time
  }
• type Pcm = Handle Interleaved
• type File = Handle
• withSoundSource :: SoundSource handle y -> (handle y -> IO a) -> IO a
• withSoundSourceRunning :: SoundSource handle y -> handle y -> IO a -> IO a
• withSoundSink :: SoundSink handle y -> (handle y -> IO a) -> IO a
• withSoundSinkRunning :: SoundSink handle y -> handle y -> IO a -> IO a
• soundFmtMIME :: SampleFmt y => SoundFmt y -> String
• audioBytesPerSample :: SampleFmt y => SoundFmt y -> Int
• audioBytesPerFrame :: SampleFmt y => SoundFmt y -> Int
• soundSourceBytesPerFrame :: SampleFmt y => SoundSource handle y -> Int
• soundSinkBytesPerFrame :: SampleFmt y => SoundSink handle y -> Int
• copySound :: SampleFmt y => SoundSource handleIn y -> SoundSink handleOut y -> Size -> IO ()
• alsaSoundSource :: SampleFmt y => String -> SoundFmt y -> SoundSource Pcm y
• alsaSoundSink :: SampleFmt y => String -> SoundFmt y -> SoundSink Pcm y
• alsaSoundSourceTime :: SampleFmt y => String -> SoundFmt y -> SoundBufferTime -> SoundSource Pcm y
• alsaSoundSinkTime :: SampleFmt y => String -> SoundFmt y -> SoundBufferTime -> SoundSink Pcm y
• alsaSoundSourceParams :: SampleFmt y => String -> T Interleaved y a -> (a -> T Interleaved y ()) -> SoundSource Pcm y
• alsaSoundSinkParams :: SampleFmt y => String -> T Interleaved y a -> (a -> T Interleaved y ()) -> SoundSink Pcm y
• fileSoundSource :: SampleFmt y => FilePath -> SoundSource File y
• fileSoundSink :: SampleFmt y => FilePath -> SoundSink File y

Documentation