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Added hooked PCM type (one sample hook implementation will follow). Some cleaning.

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This commit is contained in:
Abramo Bagnara 2001-06-04 18:04:18 +00:00
parent 7f33541268
commit 7f651b3071
28 changed files with 702 additions and 128 deletions
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108
doc/asoundrc.doc
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@ -18,6 +18,12 @@ pcm_scope_type.NAME {
[open STR] # Open function (default _snd_pcm_scope_NAME_open)
}
# PCM scope definition
pcm_scope.NAME {
type STR # Scope type
...
}
# Slave PCM definition
pcm_slave.NAME {
pcm STR # PCM name
@ -31,11 +37,26 @@ pcm_slave.NAME {
etc.
}
# Hook arguments definition
hook_args.NAME {
... # Arbitrary arguments
}
# PCM hook definition
pcm_hook.NAME {
[lib STR] # Library file (default libasound.so)
[install STR] # Install function (default _snd_pcm_hook_NAME_install)
[args STR] # Arguments for install function (see hook_args)
# or
[args { }] # Arguments for install function
}
# PCM definition
pcm.NAME {
type STR # Type
[comment ANY] # Saved comments
# PCM types:
type hw # Kernel PCM
card INT/STR # Card name or number
@ -43,10 +64,24 @@ pcm.NAME {
[subdevice] INT # Subdevice number, -1 first available (default -1)
type plug # Format adjusted PCM
slave STR # Slave name
type hooks # PCM with hooks
slave STR # Slave name (see pcm_slave)
# or
slave { # Slave definition or name
slave { # Slave definition
pcm STR # Slave PCM name
# or
pcm { } # Slave PCM definition
}
hooks {
ID STR # Hook name (see pcm_hook)
# or
ID { } # Hook definition (see pcm_hook)
}
type plug # Format adjusted PCM
slave STR # Slave name (see pcm_slave)
# or
slave { # Slave definition
pcm STR # Slave PCM name
# or
pcm { } # Slave PCM definition
@ -59,13 +94,23 @@ pcm.NAME {
}
type copy # Copy conversion PCM
slave STR # Slave name (see pcm_slave)
# or
slave { # Slave definition
pcm STR # Slave PCM name
# or
pcm { } # Slave PCM definition
}
type linear # Linear format conversion PCM
type adpcm # IMA-ADPCM format conversion PCM
type alaw # A-Law format conversion PCM
type mulaw # Mu-Law format conversion PCM
slave STR # Slave name
slave STR # Slave name (see pcm_slave)
# or
slave { # Slave definition or name
slave { # Slave definition
pcm STR # Slave PCM name
# or
pcm { } # Slave PCM definition
@ -74,9 +119,9 @@ pcm.NAME {
type rate # Rate conversion PCM
slave STR # Slave name
slave STR # Slave name (see pcm_slave)
# or
slave { # Slave definition or name
slave { # Slave definition
pcm STR # Slave PCM name
# or
pcm { } # Slave PCM definition
@ -86,9 +131,9 @@ pcm.NAME {
type route # Attenuated static route PCM
slave STR # Slave name
slave STR # Slave name (see pcm_slave)
# or
slave { # Slave definition or name
slave { # Slave definition
pcm STR # Slave PCM name
# or
pcm { } # Slave PCM definition
@ -105,9 +150,9 @@ pcm.NAME {
type multi # Linked PCMs (exclusive access to selected channels)
slaves { # Slaves definitions
N STR # Slave name for slave N
ID STR # Slave name for slave N (see pcm_slave)
# or
N { # Slave definition for slave N
ID { # Slave definition for slave N
pcm STR # Slave PCM name
# or
pcm { } # Slave PCM definition
@ -123,9 +168,9 @@ pcm.NAME {
type file # File plugin
slave STR # Slave name
slave STR # Slave name (see pcm_slave)
# or
slave { # Slave definition or name
slave { # Slave definition
pcm STR # Slave PCM name
# or
pcm { } # Slave PCM definition
@ -137,7 +182,7 @@ pcm.NAME {
type meter # Meter PCM
slave STR # Slave name
slave STR # Slave name (see pcm_slave)
# or
slave { # Slave definition or name
pcm STR # Slave PCM name
@ -146,17 +191,16 @@ pcm.NAME {
}
[frequency INT] # Updates per second
scopes { # Scopes
N { # Scope definition
type STR # Scope type
[PARAMS] # Scope params
}
ID STR # Scope name (see pcm_scope)
# or
ID { } # Scope definition (see pcm_scope)
}
type droute # Attenuated dynamic route PCM (NYI)
slave STR # Slave name
slave STR # Slave name (see pcm_slave)
# or
slave { # Slave definition or name
slave { # Slave definition
pcm STR # Slave PCM name
# or
pcm { } # Slave PCM definition
@ -165,7 +209,7 @@ pcm.NAME {
}
ctl STR # Ctl name
bindings { # Bindings table
N { # Binding entry
ID { # Binding entry
cchannels { # Client channels
C INT # Client channel
}
@ -179,9 +223,9 @@ pcm.NAME {
type loopback # Loopback server (NYI)
server STR # Server name
slave STR # Slave name
slave STR # Slave name (see pcm_slave)
# or
slave { # Slave definition or name
slave { # Slave definition
pcm STR # Slave PCM name
# or
pcm { } # Slave PCM definition
@ -198,14 +242,14 @@ pcm.NAME {
type share # Share PCM
slave STR # Slave name
slave STR # Slave name (see pcm_slave)
bindings { # Bindings table
N INT # Slave channel for client channel N
}
type mix # Mix PCM
slave STR # Slave name
slave STR # Slave name (see pcm_slave)
bindings { # Bindings table
N INT # Slave channel for client channel N
}
@ -317,19 +361,7 @@ pcm.m {
}
}
scope_type.level {
pcm_scope_type.level {
lib /home/abramo/scopes/liblevel.so
}
Special PCM names:
hw:CARD,DEV,SUBDEV
hw:CARD,DEV
plug:CARD,DEV,SUBDEV
plug:CARD,DEV
plug:SLAVE_PCM
shm:SOCKET,PCM
file:FNAME,FMT,SLAVE_PCM
file:FNAME,FMT
file:FNAME
null