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Diff for /src/usr.bin/aucat/aucat.1 between version 1.66 and 1.67

version 1.66, 2010/04/06 20:07:01 version 1.67, 2010/04/07 06:47:52
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 Multiple modes can be specified, separated by commas,  Multiple modes can be specified, separated by commas,
 but the same stream cannot be used for both recording and monitoring.  but the same stream cannot be used for both recording and monitoring.
 The default is  The default is
 .Ar play , rec  .Ar play , Ns Ar rec
 (i.e. full-duplex).  (i.e. full-duplex).
 .It Fl n  .It Fl n
 Loopback mode.  Loopback mode.
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 .Xr sndio 7  .Xr sndio 7
 device name string.  device name string.
 .It Fl t Ar mode  .It Fl t Ar mode
 Select the way sub-devices are controlled by MMC (MIDI Machine Control) messages.  Select the way sub-devices are controlled by MIDI Machine Control (MMC)
   messages.
 If the mode is  If the mode is
 .Va off  .Va off
 (the default), then streams are not affected by MMC messages.  (the default), then streams are not affected by MMC messages.
 If the mode is  If the mode is
 .Va slave ,  .Va slave ,
 then streams are started synchronously by MMC start messages;  then streams are started synchronously by MMC start messages;
 additionally, the server clock is exposed as MTC (MIDI Time Code)  additionally, the server clock is exposed as MIDI Time Code (MTC)
 messages allowing MTC-capable software or hardware to be synchronized  messages allowing MTC-capable software or hardware to be synchronized
 to audio streams.  to audio streams.
 .It Fl U Ar unit  .It Fl U Ar unit
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 .Dq error  .Dq error
 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 the
 .Fl t ,  .Fl t
   option,
 the  the
 .Dq ignore  .Dq ignore
 action is disabled for any stream connected to it  action is disabled for any stream connected to it
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 The audio block size in frames.  The audio block size in frames.
 This is the number of frames between audio clock ticks,  This is the number of frames between audio clock ticks,
 i.e. the clock resolution.  i.e. the clock resolution.
 If a sub-device is created with  If a sub-device is created with the
 .Fl t ,  .Fl t
 and MTC (Midi Time Code) is used for synchronization, the clock  option,
   and MTC 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.  accuracy.
 For instance, 120 ticks per second at 48000Hz corresponds  For instance, 120 ticks per second at 48000Hz corresponds
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 for instance for monitoring or as feedback for motorized  for instance for monitoring or as feedback for motorized
 faders.  faders.
 .Pp  .Pp
 Clients connected to sub-devices created with  Clients connected to sub-devices created with the
 .Fl t  .Fl t
 are controlled by the following MMC (MIDI Machine Control) messages:  option are controlled by the following MMC messages:
 .Bl -tag -width relocateXXX -offset indent  .Bl -tag -width relocateXXX -offset indent
 .It stop  
 Put the sub-device in stopped mode (the default).  
 In this mode, any stream attempting to start playback or recording  
 is paused.  
 Streams that are already started are not affected until they stop  
 and try to start again.  
 .It relocate  .It relocate
 Gives  Gives
 .Nm  .Nm
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 to start, and then starts them synchronously.  to start, and then starts them synchronously.
 Once started, new streams can be created, but they will be blocked  Once started, new streams can be created, but they will be blocked
 until the next stop-to-start transition.  until the next stop-to-start transition.
   .It stop
   Put the sub-device in stopped mode (the default).
   In this mode, any stream attempting to start playback or recording
   is paused.
   Streams that are already started are not affected until they stop
   and try to start again.
 .El  .El
 .Pp  .Pp
 Sub-devices created with  Sub-devices created with the
 .Fl t  .Fl t
 will export the server clock using MTC (MIDI Time Code), allowing non-audio  option export the server clock using MTC, 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
 .Pq Fl r  .Pq Fl r
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 .Pp  .Pp
 A MIDI channel is assigned to each stream, and the volume  A MIDI channel is assigned to each stream, and the volume
 is changed using the standard volume controller (number 7).  is changed using the standard volume controller (number 7).
 Streams created with  Streams created with the
 .Fl t  .Fl t
 option are controlled by the following MIDI Machine Control (MMC) messages:  option are controlled by the following MMC messages:
 .Bl -tag -width relocateXXX -offset indent  .Bl -tag -width relocateXXX -offset indent
 .It start  
 Start all streams synchronously.  
 By default, streams are created in a stopped state.  
 .It stop  
 Playback or recording is stopped, and  
 the stream is rewound back to the starting position.  
 .It relocate  .It relocate
 Streams are relocated to the requested time postion  Streams are relocated to the requested time postion
 relative to the beginning of the stream, at which playback  relative to the beginning of the stream, at which playback
 and recording must start.  and recording must start.
 If the requested position is beyond the end of file,  If the requested position is beyond the end of file,
 the stream is temporarly disabled until a valid postion is requested.  the stream is temporarly disabled until a valid postion is requested.
   .It start
   Start all streams synchronously.
   By default, streams are created in a stopped state.
   .It stop
   Playback or recording is stopped, and
   the stream is rewound back to the starting position.
 .El  .El
 .Pp  .Pp
 For instance, the following command will play a file on the  For instance, the following command will play a file on the
Legend:
Removed from v.1.66  
changed lines
  Added in v.1.67