| 1 | /* $Id: auxos2.cpp,v 1.3 1999-06-10 16:24:33 phaller 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 | #define INCL_BASE
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| 14 | #define INCL_OS2MM
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| 15 | #include <os2.h>
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| 16 | #include <os2me.h>
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| 17 | #include <string.h>
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| 18 |
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| 19 | #define OS2_ONLY
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| 20 | #include "win32type.h"
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| 21 | #include "misc.h"
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| 22 | #include "unicode.h"
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| 23 |
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| 24 | #include "aux.h"
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| 25 |
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| 26 | ULONG auxDeviceId = -1;
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| 27 |
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| 28 | /******************************************************************************/
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| 29 | /******************************************************************************/
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| 30 | BOOL auxOS2Open()
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| 31 | {
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| 32 | MCI_AMP_OPEN_PARMS AmpOpenParms;
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| 33 | APIRET rc;
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| 34 |
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| 35 | if(auxDeviceId != -1) {
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| 36 | return TRUE;
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| 37 | }
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| 38 | // Setup the open structure, pass the playlist and tell MCI_OPEN to use it
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| 39 | memset(&AmpOpenParms,0,sizeof(AmpOpenParms));
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| 40 |
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| 41 | AmpOpenParms.usDeviceID = ( USHORT ) 0;
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| 42 | AmpOpenParms.pszDeviceType = ( PSZ ) MCI_DEVTYPE_AUDIO_AMPMIX;
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| 43 |
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| 44 | rc = mciSendCommand(0, MCI_OPEN,
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| 45 | MCI_WAIT | MCI_OPEN_TYPE_ID | MCI_OPEN_SHAREABLE,
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| 46 | (PVOID) &AmpOpenParms,
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| 47 | 0);
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| 48 | if(rc) {
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| 49 | dprintf(("auxOpen: MCI_OPEN returned %X\n", rc));
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| 50 | return(FALSE);
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| 51 | }
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| 52 | auxDeviceId = AmpOpenParms.usDeviceID;
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| 53 | return(TRUE);
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| 54 | }
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| 55 | /******************************************************************************/
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| 56 | /******************************************************************************/
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| 57 | void auxOS2Close()
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| 58 | {
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| 59 | MCI_GENERIC_PARMS GenericParms;
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| 60 |
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| 61 | if(auxDeviceId == -1)
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| 62 | return;
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| 63 |
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| 64 | // Generic parameters
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| 65 | GenericParms.hwndCallback = 0; //hwndFrame
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| 66 |
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| 67 | // Close the device
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| 68 | mciSendCommand(auxDeviceId, MCI_CLOSE, MCI_WAIT, (PVOID)&GenericParms, 0);
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| 69 | }
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| 70 | /******************************************************************************/
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| 71 | /******************************************************************************/
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| 72 | DWORD auxOS2SetVolume(DWORD dwVolume)
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| 73 | {
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| 74 | MCI_MASTERAUDIO_PARMS maudio = {0};
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| 75 | APIRET rc;
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| 76 |
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| 77 | maudio.ulMasterVolume = (dwVolume*100)/65536; //TODO: Not correct, should be logartihmic
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| 78 | rc = mciSendCommand(auxDeviceId, MCI_MASTERAUDIO, MCI_MASTERVOL |
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| 79 | MCI_WAIT, (PVOID)&maudio,0);
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| 80 | if(rc) {
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| 81 | dprintf(("auxOS2SetVolume returned %X\n", rc));
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| 82 | }
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| 83 | return(0); //MMSYSERR_NOERROR
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| 84 | }
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| 85 | /******************************************************************************/
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| 86 | /******************************************************************************/
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| 87 | DWORD auxOS2GetVolume(DWORD *dwVolume)
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| 88 | {
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| 89 | MCI_MASTERAUDIO_PARMS maudio = {0};
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| 90 | APIRET rc;
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| 91 |
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| 92 | rc = mciSendCommand(auxDeviceId, MCI_MASTERAUDIO, MCI_QUERYCURRENTSETTING |
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| 93 | MCI_MASTERVOL | MCI_WAIT, (PVOID)&maudio,0);
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| 94 | if(rc) {
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| 95 | dprintf(("auxOS2GetVolume returned %X\n", rc));
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| 96 | }
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| 97 | *dwVolume = (maudio.ulReturn*65536)/100;
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| 98 | return(0); //MMSYSERR_NOERROR
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| 99 | }
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| 100 | /******************************************************************************/
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| 101 | /******************************************************************************/
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