1 # OpenAL config file. Options that are not under a block or are under the
2 # [general] block are for general, non-backend-specific options. Blocks may
3 # appear multiple times, and duplicated options will take the last value
5 # The system-wide settings can be put in /etc/openal/alsoft.conf and user-
6 # specific override settings in ~/.alsoftrc.
7 # For Windows, these settings should go into %AppData%\alsoft.ini
8 # The environment variable ALSOFT_CONF can be used to specify another config
11 # Option and block names are case-insenstive. The supplied values are only
12 # hints and may not be honored (though generally it'll try to get as close as
13 # possible). Note: options that are left unset may default to app- or system-
14 # specified values. These are the current available settings:
17 # Sets the output format. Can be one of:
18 # AL_FORMAT_MONO8 (8-bit mono)
19 # AL_FORMAT_STEREO8 (8-bit stereo)
20 # AL_FORMAT_QUAD8 (8-bit 4-channel)
21 # AL_FORMAT_51CHN8 (8-bit 5.1 output)
22 # AL_FORMAT_61CHN8 (8-bit 6.1 output)
23 # AL_FORMAT_71CHN8 (8-bit 7.1 output)
24 # AL_FORMAT_MONO16 (16-bit mono)
25 # AL_FORMAT_STEREO16 (16-bit stereo)
26 # AL_FORMAT_QUAD16 (16-bit 4-channel)
27 # AL_FORMAT_51CHN16 (16-bit 5.1 output)
28 # AL_FORMAT_61CHN16 (16-bit 6.1 output)
29 # AL_FORMAT_71CHN16 (16-bit 7.1 output)
30 # AL_FORMAT_MONO32 (32-bit float mono)
31 # AL_FORMAT_STEREO32 (32-bit float stereo)
32 # AL_FORMAT_QUAD32 (32-bit float 4-channel)
33 # AL_FORMAT_51CHN32 (32-bit float 5.1 output)
34 # AL_FORMAT_61CHN32 (32-bit float 6.1 output)
35 # AL_FORMAT_71CHN32 (32-bit float 7.1 output)
36 #format = AL_FORMAT_STEREO16
39 # Sets the crossfeed level for stereo output. Valid values are:
42 # 2 - Middle crossfeed
43 # 3 - High crossfeed (virtual speakers are closer to itself)
44 # 4 - Low easy crossfeed
45 # 5 - Middle easy crossfeed
46 # 6 - High easy crossfeed
47 # Users of headphones may want to try various settings. Has no effect on non-
52 # Sets the amount of dampening on sounds emanating from behind the listener.
53 # This is used to simulate the natural occlusion of the head, which is
54 # typically missing with mono and stereo output, and as such, only works on
55 # mono and stereo output modes. Valid values range from 0 to 1 (inclusive),
56 # and higher values provide a stronger effect.
60 # Sets the output frequency.
64 # Selects the resampler used when mixing sources. Valid values are:
65 # 0 - None (nearest sample, no interpolation)
66 # 1 - Linear (extrapolates samples using a linear slope between samples)
67 # 2 - Cubic (extrapolates samples using a Catmull-Rom spline)
68 # Specifying other values will result in using the default (linear).
72 # Sets real-time priority for the mixing thread. Not all drivers may use this
73 # (eg. PortAudio) as they already control the priority of the mixing thread.
74 # 0 and negative values will disable it. Note that this may constitute a
75 # security risk since a real-time priority thread can indefinitely block
76 # normal-priority threads if it fails to wait. As such, the default is
81 # Sets the update period size, in frames. This is the number of frames needed
82 # for each mixing update.
86 # Sets the number of update periods. Higher values create a larger mix ahead,
87 # which helps protect against skips when the CPU is under load, but increases
88 # the delay between a sound getting mixed and being heard.
92 # Sets the maximum number of allocatable sources. Lower values may help for
93 # systems with apps that try to play more sounds than the CPU can handle.
97 # Sets whether to duplicate stereo sounds on the rear and side speakers for 4+
98 # channel output. This provides a "fuller" playback quality for 4+ channel
99 # output modes, although each individual speaker will have a slight reduction
100 # in volume to compensate for the extra output speakers. True, yes, on, and
101 # non-0 values will duplicate stereo sources. 0 and anything else will cause
102 # stereo sounds to only play out the front speakers. This only has an effect
103 # when a suitable output format is used (ie. those that contain side and/or
108 # Sets whether to scale the remixed output. When the final mix is written to
109 # the device, the multi-channel data is remixed so pure-virtual channels (eg.
110 # front-center on stereo output) are remixed and added to available channels
111 # (eg. front-left and front-right). Scaling helps ensure that no single source
112 # will put out more than 100% on a given physical channel. This can cause a
113 # noticeable reduction in overall volume, however, so it is off by default.
117 # Sets the backend driver list order, comma-seperated. Unknown backends and
118 # duplicated names are ignored. Unlisted backends won't be considered for use
119 # unless the list is ended with a comma (eg. 'oss,' will list OSS first
120 # followed by all other available backends, while 'oss' will list OSS only).
121 # Backends prepended with - won't be available for use (eg. '-oss,' will allow
122 # all available backends except OSS). An empty list means the default.
123 #drivers = pulse,alsa,oss,solaris,dsound,winmm,port,null,wave
126 # Sets which effects to exclude, preventing apps from using them. This can
127 # help for apps that try to use effects which are too CPU intensive for the
128 # system to handle. Available effects are: eaxreverb,reverb,echo,modulator
132 # Sets the maximum number of Auxiliary Effect Slots an app can create. A slot
133 # can use a non-negligible amount of CPU time if an effect is set on it even
134 # if no sources are feeding it, so this may help when apps use more than the
139 # Sets the number of auxiliary sends per source. When not specified (default),
140 # it allows the app to request how many it wants. The maximum value currently
145 # Sets the virtual speaker layout. Values are specified in degrees, where 0 is
146 # straight in front, negative goes left, and positive goes right. Unspecified
147 # speakers will remain at their default positions (which are dependant on the
148 # output format). Available speakers are back-left(bl), side-left(sl), front-
149 # left(fl), front-center(fc), front-right(fr), side-right(sr), back-right(br),
150 # and back-center(bc).
154 ## ALSA backend stuff
159 # Sets the device name for the default playback device.
163 # Sets the device name for the default capture device.
167 # Sets whether to try using mmap mode (helps reduce latencies and CPU
168 # consumption). If mmap isn't available, it will automatically fall back to
169 # non-mmap mode. True, yes, on, and non-0 values will attempt to use mmap. 0
170 # and anything else will force mmap off.
179 # Sets the device name for OSS output.
183 # Sets the device name for OSS capture.
187 ## Solaris backend stuff
192 # Sets the device name for Solaris output.
196 ## DirectSound backend stuff
201 ## Windows Multimedia backend stuff
206 ## PortAudio backend stuff
211 # Sets the device index for output. Negative values will use the default as
212 # given by PortAudio itself.
216 # Sets the device index for capture. Negative values will use the default as
217 # given by PortAudio itself.
221 ## PulseAudio backend stuff
226 # Attempts to spawn a PulseAudio server when requesting to open a PulseAudio
227 # device. Note that some apps may open and probe all enumerated devices on
228 # startup, causing a server to spawn even if a PulseAudio device is not
229 # actually selected. Setting autospawn to false in Pulse's client.conf will
230 # still prevent autospawning even if this is set to true.
231 #spawn-server = false
234 ## Wave File Writer stuff
239 # Sets the filename of the wave file to write to. An empty name prevents the
240 # backend from opening, even when explicitly requested.
241 # THIS WILL OVERWRITE EXISTING FILES WITHOUT QUESTION!