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Autodocs
 Devices:
 cd.device
  CD_ADDCHANGEINT
  CD_ADDFRAMEINT
  CD_ATTENUATE
  CD_CHANGENUM
  CD_CHANGESTATE
  CD_CONFIG
  CD_EJECT
  CD_GETGEOMETRY
  CD_INFO
  CD_MOTOR
  CD_PAUSE
  CD_PLAYLSN
  CD_PLAYMSF
  CD_PLAYTRACK
  CD_PROTSTATUS
  CD_QCODELSN
  CD_QCODEMSF
  CD_READ
  CD_READXL
  CD_REMCHANGEINT
  CD_REMFRAMEINT
  CD_SEARCH
  CD_SEEK
  CD_TOCLSN
  CD_TOCMSF
  CloseDevice
  OpenDevice
Include
GuruMeditation
Docs » Autodocs » cd.device » CD_PLAYLSN

NAME

        CD_PLAYLSN -- Play a selected portion of CD audio (LSN form).
   IO REQUEST
       io_Device       preset by the call to OpenDevice()
       io_Unit         preset by the call to OpenDevice()
       io_Command      CD_PLAYLSN
       io_Data         NULL
       io_Length       length of play
       io_Offset       starting position

RESULT

       io_Error        0 for success, or an error code as defined in
                       <devices/cd.h>

FUNCTION

       This command causes the drive to start playing CD audio from the
       specified position until the specified length has passed.
       io_Offset specifies the starting position.  io_Length contains
       the amount of time to play.  All data is specified in LSN format.
       A DoIO() will not return until the requested number of sectors
       have been played.  A SendIO() will return as soon as the PLAY
       has been started.  At this time other commands can be sent (like
       CD_PAUSE).  To stop a play before the specified length has been
       reached, use AbortIO().

EXAMPLE

       /* Play two minutes, ten seconds of audio starting at 20 minutes, */
       /* 58 seconds, and 10 frames.                                     */
       ior->io_Command = CD_PLAYLSN;   /* Play CD audio           */
       ior->io_Offset  = 94360;        /* 20*(60*75) + 58*75 + 10 */
       ior->io_Length  = 9750;         /* 02*(60*75) + 10*75 + 00 */
       DoIO (ior);

NOTES

BUGS

SEE ALSO

CD_PLAYTRACK(), CD_PAUSE(), CD_SEARCH(), CD_ATTENUATE()

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