1 | /* $Id: auxos2.cpp,v 1.8 2000-02-17 14:09:30 sandervl Exp $ */
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2 |
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3 | /*
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4 | * Auxilary multimedia OS/2 implementation
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5 | *
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6 | * Copyright 1998 Sander van Leeuwen (sandervl@xs4all.nl)
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7 | *
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8 | *
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9 | * Project Odin Software License can be found in LICENSE.TXT
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10 | *
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11 | */
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12 |
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13 |
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14 | /****************************************************************************
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15 | * Includes *
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16 | ****************************************************************************/
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17 |
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18 | #define INCL_BASE
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19 | #define INCL_OS2MM
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20 | #include <os2wrap.h> //Odin32 OS/2 api wrappers
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21 | #include <os2mewrap.h> //Odin32 OS/2 MMPM/2 api wrappers
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22 | #include <string.h>
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23 |
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24 | #define OS2_ONLY
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25 | #include "win32type.h"
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26 | #include "misc.h"
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27 | #include "unicode.h"
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28 |
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29 | #include "auxiliary.h"
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30 |
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31 | #define DBG_LOCALLOG DBG_auxos2
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32 | #include "dbglocal.h"
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33 |
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34 | ULONG auxDeviceId = -1;
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35 |
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36 | /******************************************************************************/
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37 | /******************************************************************************/
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38 | BOOL auxOS2Open()
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39 | {
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40 | MCI_AMP_OPEN_PARMS AmpOpenParms;
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41 | APIRET rc;
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42 |
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43 | if(auxDeviceId != -1) {
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44 | return TRUE;
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45 | }
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46 | // Setup the open structure, pass the playlist and tell MCI_OPEN to use it
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47 | memset(&AmpOpenParms,0,sizeof(AmpOpenParms));
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48 |
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49 | AmpOpenParms.usDeviceID = ( USHORT ) 0;
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50 | AmpOpenParms.pszDeviceType = ( PSZ ) MCI_DEVTYPE_AUDIO_AMPMIX;
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51 |
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52 | rc = mciSendCommand(0, MCI_OPEN,
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53 | MCI_WAIT | MCI_OPEN_TYPE_ID | MCI_OPEN_SHAREABLE,
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54 | (PVOID) &AmpOpenParms,
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55 | 0);
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56 | if(rc) {
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57 | dprintf(("auxOpen: MCI_OPEN returned %X\n", rc));
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58 | return(FALSE);
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59 | }
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60 | auxDeviceId = AmpOpenParms.usDeviceID;
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61 | return(TRUE);
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62 | }
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63 | /******************************************************************************/
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64 | /******************************************************************************/
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65 | void auxOS2Close()
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66 | {
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67 | MCI_GENERIC_PARMS GenericParms;
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68 |
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69 | if(auxDeviceId == -1)
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70 | return;
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71 |
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72 | // Generic parameters
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73 | GenericParms.hwndCallback = 0; //hwndFrame
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74 |
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75 | // Close the device
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76 | mciSendCommand(auxDeviceId, MCI_CLOSE, MCI_WAIT, (PVOID)&GenericParms, 0);
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77 | }
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78 | /******************************************************************************/
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79 | /******************************************************************************/
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80 | DWORD auxOS2SetVolume(DWORD dwVolume)
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81 | {
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82 | MCI_MASTERAUDIO_PARMS maudio = {0};
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83 | APIRET rc;
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84 |
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85 | maudio.ulMasterVolume = (dwVolume*100)/65536; //TODO: Not correct, should be logartihmic
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86 | rc = mciSendCommand(auxDeviceId, MCI_MASTERAUDIO, MCI_MASTERVOL |
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87 | MCI_WAIT, (PVOID)&maudio,0);
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88 | if(rc) {
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89 | dprintf(("auxOS2SetVolume returned %X\n", rc));
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90 | }
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91 | return(0); //MMSYSERR_NOERROR
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92 | }
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93 | /******************************************************************************/
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94 | /******************************************************************************/
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95 | DWORD auxOS2GetVolume(DWORD *dwVolume)
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96 | {
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97 | MCI_MASTERAUDIO_PARMS maudio = {0};
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98 | APIRET rc;
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99 |
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100 | rc = mciSendCommand(auxDeviceId, MCI_MASTERAUDIO, MCI_QUERYCURRENTSETTING |
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101 | MCI_MASTERVOL | MCI_WAIT, (PVOID)&maudio,0);
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102 | if(rc) {
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103 | dprintf(("auxOS2GetVolume returned %X\n", rc));
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104 | }
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105 | *dwVolume = (maudio.ulReturn*65536)/100;
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106 | return(0); //MMSYSERR_NOERROR
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107 | }
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108 | /******************************************************************************/
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109 | /******************************************************************************/
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110 |
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