/****************************************************************************
*
*
*   $VER: PlayTrack.c  1.0 (22 Jan 1996) by M_Campinoti CD++
*
*   $HISTORY:
*
*   22 Jan 1996 : 001.000 : First and Last release of an example that show
*                           how to play audio tracks by means of
*                           CD_PLAYTRACK command.
*                           Didactical use, so CLI only      :)
*
****************************************************************************/

#include <proto/exec.h>
#include <exec/devices.h>
#include <exec/io.h>

#include <stdio.h>
#include <stdlib.h>

#include "atapi_cd.h"

#define START_TRACK      0x01
#define TRACKS_TO_PLAY    0x01

main (UBYTE argc,UBYTE** argv)
{
    struct IOStdReq      *ioreq  ;
    struct MsgPort       *reply  ;
    UBYTE                tracknumber;
    UBYTE                howmanytracks;

    tracknumber=START_TRACK;
    howmanytracks=TRACKS_TO_PLAY;

    switch(argc)
    {
     case 0:
         return;         /* it came from workbench .... */
         break;
     default:
     case 1:
         printf("USAGE: PlayTrack <tracknumber> <tracks to play>\n");
         return;        /* Yes, this isn't a cool template, but is quickly ! (i'm lazy) */
         break;
     case 3:
         howmanytracks=atoi(argv[2]);
     case 2:
         tracknumber=atoi(argv[1]);

    }

    if (tracknumber==0) tracknumber = 1;        /* tracknumber MUST be not zero ! */
    if (howmanytracks==0) howmanytracks = 1;    /* (EX)Commodore Rules !          */

    if( reply = CreateMsgPort() )
    {
      if( ioreq = (struct IOStdReq *)
             CreateIORequest(reply ,sizeof(struct  IOStdReq)) )
      {
        if(!OpenDevice("cd.device",0,(struct IORequest*)ioreq,NULL) )
        {
          ioreq->io_Command = CD_PLAYTRACK;
          ioreq->io_Offset  = tracknumber;
          ioreq->io_Length  = howmanytracks;

          printf("Start Playing at TRACK N. %d\n",tracknumber);

          DoIO((struct IORequest*)ioreq);
          
          if (ioreq->io_Error)
                printf("I/O error !\n");     /* analyze ioreq->io_Error to know what kind ... */
                                             /* ... see atapi_cd.h for #defines of it !       */
          
          CloseDevice((struct IORequest *)ioreq) ;
        }
        
        DeleteIORequest(ioreq) ;
      }

      DeleteMsgPort(reply);
    }
}