/etc/oss4/conf/oss_envy24.conf is in oss4-base 4.2-build2010-5ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 | # Open Sound System configuration file
# Remove the '#' in front of the option(s) you like to set.
#
#
# envy24_skipdevs: By default OSS creates an audio device file for each
# stereo pair. However it's possible to change OSS to create a device file
# for each input/output channel. See also the envy24_force_mono option
# if you want to set the card to mono-only mode.
# Values: 1 to 8. Default is 2 (stereo mode).
#
# Note that the application(s) using the device files can request any number
# of channels regardless of the envy24_skipdevs option.
#
#envy24_skipdevs = 2
#
#
# envy24_force_mono: Forces all device files to work only in mono mode
# (to be used together with envy24_skipdevs=1). This option is necessary
# with some software packages that otherwise open the devices in stereo mode.
# There is no need to use this option with properly implemented applications.
# Values: 0 (default) any number of channels can be used, 1 means that
# the device files will only be available in mono mode.
#
# Note that even envy24_force_mono=1 the application can request and get
# stereo. In this way both channel signals will be identical.
#
#envy24_force_mono = 0
#
#
# envy24_swapdevs: By default OSS will create the output device files before
# the recording ones. Some applications may expect input devices to be before
# the output ones.
# Values: 0=outputs before inputs (default), 1=inputs before outputs.
#
#envy24_swapdevs = 0
#
#
# envy24_devmask: Selects the device files to be created. By default OSS
# will create all available device files. However in some systems it may
# be necessary to conserve device numbers.
#
# Values: The envy24_devmask number is the SUM of the following values:
# 1 - Create primary (analog/ADAT/TDIF) outputs
# 2 - Create primary (analog/ADAT/TDIF) inputs
# 4 - Create S/PDIF outputs
# 8 - Create S/PDIF inputs
# 16 - Create monitor input device
# 32 - Create the "raw" input and output devices.
#
# For example envy24_devmask=12 (4+8) creates only the S/PDIF devices.
# To enable all possible (current or future) device files set envy24_devmask
# to 65535 (default).
#
#envy24_devmask = 65535
#
#
# envy24_realencoder_hack: Older versions of realencoder expect a mixer device
# for each audio device file. This option makes OSS to create dummy micers to
# make realencoder happy.
# Values: 0=normal (default), 1=create dmmy mixers.
#
#envy24_realencoder_hack = 0
#
#
# envy24_gain_sliders: By default OSS will create the gain controls as
# selection controls (+4 dB / CONSUMER / -10 dB) which is ideal for
# professional environments. However home users may prefer having volume
# sliders instead.
# Values: 0=level selectors (default), 1=volume sliders.
#
#envy24_gain_sliders = 0
#
#
# envy24_nfrags: For normal operation this setting must be 16.
#
#envy24_nfrags = 16
#
#
# envy24_mixerstyle: Defines layout of the peak meter and monitor mixer
# sections in the control panel.
# NOTE! The envy24_skipdevs parameter must be set to 2. Otherwise the
# traditional mixer style will be used regardless of the value of
# this parameter.
# Possible values:
# 1=Traditional mixer with separate peak meter and monitor gain sections
# (default).
# 2=Alternative style with peak meters and monitor gain sliders grouped
# together (separate output and input sections).
#
#envy24_mixerstyle = 1
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