prj/tech/libsrc/sndutil/utilmain.c

   1 ////////////////////////////////////////////////////////////////////////
   2 //
   3 // (c) 1996 Looking Glass Technologies Inc.
   4 // Pat McElhatton
   5 //
   6 // Module name: Sound utilities standalone main routines
   7 // File name: utilmain.c
   8 //
   9 // Description: Set of functions for setting up sound library which
  10 //    are used by several standalone programs
  11 //
  12 ////////////////////////////////////////////////////////////////////////
  13
  14 #include <windows.h>
  15 #include <lg.h>
  16 #include <mprintf.h>
  17 #include <stdio.h>
  18 #include <stdlib.h>
  19 #include <lgsound.h>
  20 #include <utilmain.h>
  21
  22
  23 ////////////////////////////////////////////////////////////////////////
  24 //
  25 // Function name: SoundInit()
  26 //
  27 // Description: Initialize the sound module.
  28 //
  29 ////////////////////////////////////////////////////////////////////////
  30 ISndMixer *
  31 SoundInit ( void )
  32 {
  33    ISndMixer *pMixer = NULL;
  34
  35    if (SndCreateMixer (&pMixer, NULL) == FALSE) {
  36       printf ("Sound system not started\n");
  37    } else {
  38       sSndSetup setup;
  39       setup.hwnd = NULL;
  40
  41       if (ISndMixer_Init (pMixer, &setup, MAX_SOUNDS, NULL) != kSndOk) {
  42          printf ("Sound system init failed\n");
  43       }
  44    }
  45
  46    return pMixer;
  47 }
  48
  49
  50 ////////////////////////////////////////////////////////////////////////
  51 //
  52 // Function name: SoundTerm()
  53 //
  54 // Description: Terminate the sound module.
  55 //
  56 ////////////////////////////////////////////////////////////////////////
  57 void
  58 SoundTerm ( ISndMixer *pMixer )
  59 {
  60    if (pMixer) {
  61       ISndMixer_StopAllSamples (pMixer);
  62       ISndMixer_Release (pMixer);
  63       pMixer = NULL;
  64    }
  65 }
  66
  67
  68 ////////////////////////////////////////////////////////////////////////
  69 //
  70 // Function name: SoundRecur()
  71 //
  72 // Description: Recur into the sound module for management purposes.
  73 //
  74 ////////////////////////////////////////////////////////////////////////
  75 void
  76 SoundRecur( ISndMixer *pMixer )
  77 {
  78    if ( pMixer ) {
  79       // allow any samples which have finished playing to do
  80       //   end-of-sample cleanup
  81       ISndMixer_Update( pMixer );
  82    }
  83 }
  84
  85