Stream format identifier.

public enum TStreamFormat {
  sfUnknown = 0,
  sfMp3 = 1,
  sfOgg = 2,
  sfWav = 3,
  sfPCM = 4,
  sfFLAC = 5,
  sfFLACOgg = 6,
  sfAC3 = 7,
  sfAacADTS = 8,
  sfWaveIn = 9,
  sfAutodetect = 1000
}