Sound.ALSA.PCM

Synopsis

• class (Storable y, C y) => SampleFmt y where
  • sampleFmtToPcmFormat :: y -> PcmFormat
• type SampleFreq = Int
• type Time = Int
• data SoundFmt y = SoundFmt {
  • sampleFreq :: SampleFreq
  }
• data SoundSource y handle = SoundSource {
  • soundSourceFmt :: SoundFmt y
  • soundSourceOpen :: IO handle
  • soundSourceClose :: handle -> IO ()
  • soundSourceStart :: handle -> IO ()
  • soundSourceStop :: handle -> IO ()
  • soundSourceRead :: handle -> Ptr y -> Int -> IO Int
  }
• data SoundSink y handle = SoundSink {
  • soundSinkFmt :: SoundFmt y
  • soundSinkOpen :: IO handle
  • soundSinkClose :: handle -> IO ()
  • soundSinkWrite :: handle -> Ptr y -> Int -> IO ()
  • soundSinkStart :: handle -> IO ()
  • soundSinkStop :: handle -> IO ()
  }
• data SoundBufferTime = SoundBufferTime {
  • bufferTime :: Time
  • periodTime :: Time
  }
• data Pcm
• withSoundSource :: SoundSource y h -> (h -> IO a) -> IO a
• withSoundSourceRunning :: SoundSource y h -> h -> IO a -> IO a
• withSoundSink :: SoundSink y h -> (h -> IO a) -> IO a
• withSoundSinkRunning :: SoundSink y h -> h -> 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 y h -> Int
• soundSinkBytesPerFrame :: SampleFmt y => SoundSink y h -> Int
• copySound :: SampleFmt y => SoundSource y h1 -> SoundSink y h2 -> Int -> IO ()
• alsaSoundSource :: SampleFmt y => String -> SoundFmt y -> SoundSource y Pcm
• alsaSoundSink :: SampleFmt y => String -> SoundFmt y -> SoundSink y Pcm
• alsaSoundSourceTime :: SampleFmt y => String -> SoundFmt y -> SoundBufferTime -> SoundSource y Pcm
• alsaSoundSinkTime :: SampleFmt y => String -> SoundFmt y -> SoundBufferTime -> SoundSink y Pcm
• fileSoundSource :: SampleFmt y => FilePath -> SoundFmt y -> SoundSource y Handle
• fileSoundSink :: SampleFmt y => FilePath -> SoundFmt y -> SoundSink y Handle

Documentation