Lib/plat-sunos5/SUNAUDIODEV.py

   1 # Symbolic constants for use with sunaudiodev module
   2 # The names are the same as in audioio.h with the leading AUDIO_
   3 # removed.
   4
   5 # Not all values are supported on all releases of SunOS.
   6
   7 # Encoding types, for fields i_encoding and o_encoding
   8
   9 ENCODING_NONE = 0                       # no encoding assigned
  10 ENCODING_ULAW = 1                       # u-law encoding
  11 ENCODING_ALAW = 2                       # A-law encoding
  12 ENCODING_LINEAR = 3                     # Linear PCM encoding
  13
  14 # Gain ranges for i_gain, o_gain and monitor_gain
  15
  16 MIN_GAIN = 0                            # minimum gain value
  17 MAX_GAIN = 255                          # maximum gain value
  18
  19 # Balance values for i_balance and o_balance
  20
  21 LEFT_BALANCE = 0                        # left channel only
  22 MID_BALANCE = 32                        # equal left/right channel
  23 RIGHT_BALANCE = 64                      # right channel only
  24 BALANCE_SHIFT = 3
  25
  26 # Port names for i_port and o_port
  27
  28 PORT_A = 1
  29 PORT_B = 2
  30 PORT_C = 3
  31 PORT_D = 4
  32
  33 SPEAKER = 0x01                          # output to built-in speaker
  34 HEADPHONE = 0x02                        # output to headphone jack
  35 LINE_OUT = 0x04                         # output to line out
  36
  37 MICROPHONE = 0x01                       # input from microphone
  38 LINE_IN = 0x02                          # input from line in
  39 CD = 0x04                               # input from on-board CD inputs
  40 INTERNAL_CD_IN = CD                     # input from internal CDROM