plan9fox/sys/lib/python/plat-sunos5/SUNAUDIODEV.py
2011-05-03 11:25:13 +00:00

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Python
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# Symbolic constants for use with sunaudiodev module
# The names are the same as in audioio.h with the leading AUDIO_
# removed.
# Not all values are supported on all releases of SunOS.
# Encoding types, for fields i_encoding and o_encoding
ENCODING_NONE = 0 # no encoding assigned
ENCODING_ULAW = 1 # u-law encoding
ENCODING_ALAW = 2 # A-law encoding
ENCODING_LINEAR = 3 # Linear PCM encoding
# Gain ranges for i_gain, o_gain and monitor_gain
MIN_GAIN = 0 # minimum gain value
MAX_GAIN = 255 # maximum gain value
# Balance values for i_balance and o_balance
LEFT_BALANCE = 0 # left channel only
MID_BALANCE = 32 # equal left/right channel
RIGHT_BALANCE = 64 # right channel only
BALANCE_SHIFT = 3
# Port names for i_port and o_port
PORT_A = 1
PORT_B = 2
PORT_C = 3
PORT_D = 4
SPEAKER = 0x01 # output to built-in speaker
HEADPHONE = 0x02 # output to headphone jack
LINE_OUT = 0x04 # output to line out
MICROPHONE = 0x01 # input from microphone
LINE_IN = 0x02 # input from line in
CD = 0x04 # input from on-board CD inputs
INTERNAL_CD_IN = CD # input from internal CDROM