mirror of
https://github.com/alsa-project/alsa-lib.git
synced 2025-11-03 09:01:52 -05:00
315 lines
6.2 KiB
Text
315 lines
6.2 KiB
Text
# Server definition
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server.NAME {
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host STR # host where the server is located (if map to local address
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# server is local, and then it may be started automatically)
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[socket STR] # PF_LOCAL socket name to listen/connect
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[port INT] # PF_INET port number to listen/connect
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}
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# PCM type definition
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pcm_type.NAME {
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[lib STR] # Library file (default libasound.so)
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[open STR] # Open function (default _snd_pcm_NAME_open)
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}
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# PCM scope type definition
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pcm_scope_type.NAME {
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[lib STR] # Library file (default libasound.so)
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[open STR] # Open function (default _snd_pcm_scope_NAME_open)
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}
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# Slave PCM definition
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pcm_slave.NAME {
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pcm STR # PCM name
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format STR # Format
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channels INT # Channels
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rate INT # Rate
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period_time INT # Period time
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buffer_time INT # Buffer time
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etc.
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}
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# PCM definition
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pcm.NAME {
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type STR # Type
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[comment ANY] # Saved comments
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# PCM types:
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type hw # Kernel PCM
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card INT/STR # Card name or number
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[device] INT # Device number (default 0)
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[subdevice] INT # Subdevice number, -1 first available (default -1)
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type plug # Format adjusted PCM
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slave STR # Slave name
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# or
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slave { # Slave definition or name
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pcm STR # Slave PCM name
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}
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ttable { # Transfer table (bidimensional compound of
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# cchannels * schannels numbers)
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CCHANNEL {
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SCHANNEL REAL # route value (0.0 ... 1.0)
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}
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}
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type linear # Linear format conversion PCM
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type adpcm # IMA-ADPCM format conversion PCM
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type alaw # A-Law format conversion PCM
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type mulaw # Mu-Law format conversion PCM
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slave STR # Slave name
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# or
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slave { # Slave definition or name
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pcm STR # Slave PCM name
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format STR # Slave format
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}
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type rate # Rate conversion PCM
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slave STR # Slave name
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# or
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slave { # Slave definition or name
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pcm STR # Slave PCM name
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[format STR] # Slave format (default client format)
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rate INT # Slave rate
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}
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type route # Attenuated static route PCM
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slave STR # Slave name
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# or
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slave { # Slave definition or name
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pcm STR # Slave PCM name
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[format STR] # Slave format (default client format)
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[channels INT] # Slave channels (default client channels)
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}
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ttable { # Transfer table (bidimensional compound of
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# cchannels * schannels numbers)
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CCHANNEL {
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SCHANNEL REAL # route value (0.0 ... 1.0)
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}
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}
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type multi # Linked PCMs (exclusive access to selected channels)
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slaves { # Slaves definitions
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N STR # Slave name for slave N
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# or
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N { # Slave definition for slave N
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pcm STR # Slave PCM name
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channels INT # Slave channels
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}
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}
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bindings { # Bindings table
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N { # Binding for client channel N
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slave STR # Slave key
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channel INT # Slave channel
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}
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}
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type file # File plugin
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slave STR # Slave name
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# or
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slave { # Slave definition or name
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pcm STR # Slave PCM name
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}
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file STR # File name
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# or
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file INT # File descriptor
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[format STR] # File format (NYI)
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type meter # Meter PCM
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slave STR # Slave name
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# or
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slave { # Slave definition or name
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pcm STR # Slave PCM name
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}
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[frequency INT] # Updates per second
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scopes { # Scopes
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N { # Scope definition
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type STR # Scope type
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[PARAMS] # Scope params
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}
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}
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type droute # Attenuated dynamic route PCM (NYI)
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slave STR # Slave name
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# or
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slave { # Slave definition or name
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pcm STR # Slave PCM name
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[format STR] # Slave format (default client format)
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[channels INT] # Slave channels (default client channels)
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}
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ctl STR # Ctl name
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bindings { # Bindings table
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N { # Binding entry
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cchannels { # Client channels
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C INT # Client channel
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}
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schannel { # Slave channels
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S INT # Slave channel
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}
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control STR # Control name of C * S (or C values: only if C == S)
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}
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}
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type loopback # Loopback server (NYI)
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server STR # Server name
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slave STR # Slave name
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# or
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slave { # Slave definition or name
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pcm STR # Slave PCM name
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}
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type null # Null endpoint plugin
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[time INT] # Time related or not (NYI)
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type shm # Shared memory client PCM
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server STR # Server name
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pcm STR # PCM name on server
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type share # Share PCM
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slave STR # Slave name
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bindings { # Bindings table
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N INT # Slave channel for client channel N
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}
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type mix # Mix PCM
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slave STR # Slave name
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bindings { # Bindings table
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N INT # Slave channel for client channel N
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}
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}
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# CTL type definition
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ctl_type.NAME {
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[lib STR] # Library file (default libasound.so)
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[open STR] # Open function (default _snd_ctl_NAME_open)
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}
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# CTL definition
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ctl.NAME {
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type STR # Type
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[comment ANY] # Saved comments
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# CTL types
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type hw
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card STR/INT # Card name or number
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type shm # Shared memory client CTL
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server STR # Server name
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ctl STR # CTL name on server
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}
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# RAWMIDI type definition
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rawmidi_type.NAME {
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[lib STR] # Library file (default libasound.so)
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[open STR] # Open function (default _snd_rawmidi_NAME_open)
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}
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# RAWMIDI definition
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rawmidi.NAME {
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type STR # Type
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[comment ANY] # Saved comments
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# RAWMIDI types:
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type hw # Kernel RAWMIDI
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card INT/STR # Card name or number
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[device] INT # Device number (default 0)
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[subdevice] INT # Subdevice number, -1 first available (default -1)
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}
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# SEQ type definition
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seq_type.NAME {
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[lib STR] # Library file (default libasound.so)
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[open STR] # Open function (default _snd_seq_NAME_open)
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}
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# SEQ definition
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seq.NAME {
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type STR # Type
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[comment ANY] # Saved comments
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# SEQ types:
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type hw # Kernel SEQ
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}
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# Aliases
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DEF.NAME1 NAME2 # DEF.NAME1 is an alias for DEF.NAME2
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Some examples:
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pcm.trident {
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type hw
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card 0
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device 0
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}
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pcm.ice1712 {
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type hw
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card 1
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device 0
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}
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pcm.ice1712_spdif {
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type plug
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ttable.0.8 1
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ttable.1.9 1
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slave.pcm ice1712
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}
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pcm_slave.rs {
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pcm trident
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rate 44100
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}
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pcm.r {
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type rate
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slave rs
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}
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pcm.m {
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type meter
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slave.pcm plug:trident
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frequency 50
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scopes.0 {
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type level
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}
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}
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scope_type.level {
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lib /home/abramo/scopes/liblevel.so
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}
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Special PCM names:
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hw:CARD,DEV,SUBDEV
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hw:CARD,DEV
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plug:CARD,DEV,SUBDEV
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plug:CARD,DEV
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plug:SLAVE_PCM
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shm:SOCKET,PCM
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file:FNAME,FMT,SLAVE_PCM
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file:FNAME,FMT
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file:FNAME
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null
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