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Diff for /src/usr.bin/aucat/aucat.1 between version 1.62 and 1.63

version 1.62, 2009/11/03 21:31:37 version 1.63, 2009/11/04 08:24:58
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 .Ar name  .Ar name
 to the list of sub-devices to expose in server mode.  to the list of sub-devices to expose in server mode.
 Defining multiple sub-devices allows splitting a physical audio device  Defining multiple sub-devices allows splitting a physical audio device
 into logical devices having different properties (eg. channel ranges).  into logical devices having different properties (e.g. channel ranges).
 The given  The given
 .Ar name  .Ar name
 corresponds to the  corresponds to the
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 then the stream is closed permanently.  then the stream is closed permanently.
 .Pp  .Pp
 If a sub-device is created with  If a sub-device is created with
 .Fl t Ar slave ,  .Fl t ,
 then, to ensure proper synchronization, the  the
 .Dq ignore  .Dq ignore
 action is disabled for any stream connected to it.  action is disabled for any stream connected to it
   to ensure proper synchronization.
 .It Fl z Ar nframes  .It Fl z Ar nframes
 The audio block size in frames.  The audio block size in frames.
 This is the number of frames between audio clock ticks, i.e. the clock resolution.  This is the number of frames between audio clock ticks,
   i.e. the clock resolution.
 If a sub-device is created with  If a sub-device is created with
 .Fl t Ar slave,  .Fl t ,
 and MTC (Midi Time Code) is used for synchronization, the clock  and MTC (Midi Time Code) is used for synchronization, the clock
 resolution must be 96, 100 or 120 ticks per second for maximum  resolution must be 96, 100 or 120 ticks per second for maximum
 accuracy.  For instance, 120 ticks per second at 48000Hz corresponds  accuracy.
 to 400 frame block size.  For instance, 120 ticks per second at 48000Hz corresponds
   to a 400 frame block size.
 .El  .El
 .Pp  .Pp
 If  If
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 faders.  faders.
 .Pp  .Pp
 Clients connected to sub-devices created with  Clients connected to sub-devices created with
 .Fl t Ar slave ,  .Fl t
 are controlled by the following MMC (MIDI Machine Control) messages:  are controlled by the following MMC (MIDI Machine Control) messages:
 .Bl -tag -width relocateXXX -offset -indent  .Bl -tag -width relocateXXX -offset -indent
 .It stop  .It stop
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 It is not interpreted by  It is not interpreted by
 .Nm  .Nm
 itself.  itself.
 The given time position, is sent to MIDI clients as an MTC  The given time position is sent to MIDI clients as an MTC
 .Dq "full frame"  .Dq "full frame"
 message forcing all MTC-slaves to relocate to the given  message forcing all MTC-slaves to relocate to the given
 position (see below).  position (see below).
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 .El  .El
 .Pp  .Pp
 Sub-devices created with  Sub-devices created with
 .Fl t Ar slave ,  .Fl t
 will export the server clock using MTC (MIDI Time Code), allowing non-audio  will export the server clock using MTC (MIDI Time Code), allowing non-audio
 software or hardware to be synchronized to the audio stream.  software or hardware to be synchronized to the audio stream.
 The following sample rates  The following sample rates
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 For instance, the following command will create two devices:  For instance, the following command will create two devices:
 the default  the default
 .Va aucat:0  .Va aucat:0
 and a MIDI-controlled one  and a MIDI-controlled
 .Va aucat:0.mmc .  .Va aucat:0.mmc :
 .Bd -literal -offset indent  .Bd -literal -offset indent
 $ aucat -l -r 48000 -z 400 -s default -t slave -s mmc  $ aucat -l -r 48000 -z 400 -s default -t slave -s mmc
 .Ed  .Ed
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 behave normally, while streams connected to  behave normally, while streams connected to
 .Va aucat:0.mmc  .Va aucat:0.mmc
 wait for the MMC start signal and start synchronously.  wait for the MMC start signal and start synchronously.
 Regardless to which device a stream is connected, its playback volume  Regardless of which device a stream is connected to,
 knob is exposed.  its playback volume knob is exposed.
 .Pp  
 .Sh LEGACY MODE  .Sh LEGACY MODE
 If neither  If neither
 .Fl i  .Fl i
Legend:
Removed from v.1.62  
changed lines
  Added in v.1.63