[7196] | 1 | /* $Id: waveoutbase.cpp,v 1.4 2001-10-24 22:47:42 sandervl Exp $ */
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[5358] | 2 |
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| 3 | /*
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| 4 | * Wave playback class (DART)
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| 5 | *
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| 6 | * Copyright 1998-2001 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 | * Note:
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| 12 | * 2000/11/24 PH MCI_MIXSETUP_PARMS->pMixWrite does alter FS: selector!
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| 13 | *
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| 14 | */
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| 15 |
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[21358] | 16 | /******************************************************************************/
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| 17 | // Includes
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| 18 | /******************************************************************************/
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[5358] | 19 |
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| 20 | #define INCL_BASE
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| 21 | #define INCL_OS2MM
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| 22 | #include <os2wrap.h> //Odin32 OS/2 api wrappers
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| 23 | #include <os2mewrap.h> //Odin32 OS/2 MMPM/2 api wrappers
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| 24 | #include <stdlib.h>
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| 25 | #include <string.h>
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| 26 | #define OS2_ONLY
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| 27 | #include <win32api.h>
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| 28 | #include <wprocess.h>
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| 29 |
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| 30 | #include "misc.h"
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| 31 | #include "waveoutbase.h"
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[21916] | 32 | #include "initterm.h"
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[5358] | 33 |
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| 34 | #define DBG_LOCALLOG DBG_waveoutbase
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| 35 | #include "dbglocal.h"
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| 36 |
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[21358] | 37 | /******************************************************************************/
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| 38 | /******************************************************************************/
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[5358] | 39 |
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[21358] | 40 | ULONG WaveOut::defvolume = 0xFFFFFFFF;
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[5358] | 41 |
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| 42 | /******************************************************************************/
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| 43 | /******************************************************************************/
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| 44 | WaveOut::WaveOut(LPWAVEFORMATEX pwfx, ULONG fdwOpen, ULONG nCallback, ULONG dwInstance)
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| 45 | : WaveInOut(pwfx, fdwOpen, nCallback, dwInstance)
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| 46 | {
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| 47 | volume = defvolume;
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| 48 |
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| 49 | dprintf(("waveOutOpen: samplerate %d, numChan %d bps %d (%d), format %x", SampleRate, nChannels, BitsPerSample, pwfx->nBlockAlign, pwfx->wFormatTag));
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| 50 | }
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| 51 | /******************************************************************************/
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| 52 | /******************************************************************************/
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| 53 | WaveOut::~WaveOut()
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| 54 | {
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| 55 | }
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| 56 | /******************************************************************************/
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| 57 | /******************************************************************************/
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| 58 | int WaveOut::getNumDevices()
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| 59 | {
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[21358] | 60 | MCI_AMP_OPEN_PARMS AmpOpenParms;
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| 61 | MCI_GENERIC_PARMS GenericParms = {0};
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| 62 | APIRET rc;
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[5358] | 63 |
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[21358] | 64 | // Try to open the device to see if it's there
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| 65 | memset(&AmpOpenParms, 0, sizeof(AmpOpenParms));
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| 66 | AmpOpenParms.usDeviceID = 0;
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| 67 | AmpOpenParms.pszDeviceType = (PSZ)MCI_DEVTYPE_AUDIO_AMPMIX;
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[5358] | 68 |
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[21358] | 69 | rc = mymciSendCommand(0, MCI_OPEN,
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| 70 | MCI_WAIT | MCI_OPEN_TYPE_ID | MCI_OPEN_SHAREABLE,
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| 71 | (PVOID) &AmpOpenParms, 0);
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[5358] | 72 |
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[21358] | 73 | if (LOUSHORT(rc) != MCIERR_SUCCESS)
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| 74 | return 0;
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[5358] | 75 |
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[21358] | 76 | // Close the device
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| 77 | mymciSendCommand(AmpOpenParms.usDeviceID, MCI_CLOSE,
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| 78 | MCI_WAIT,
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| 79 | (PVOID)&GenericParms, 0);
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[5358] | 80 |
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[21358] | 81 | return 1;
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| 82 | }
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| 83 | /******************************************************************************/
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| 84 | /******************************************************************************/
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| 85 | BOOL WaveOut::queryFormat(ULONG formatTag, ULONG nChannels,
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| 86 | ULONG nSamplesPerSec, ULONG wBitsPerSample)
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| 87 | {
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| 88 | APIRET rc;
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| 89 | BOOL winrc = TRUE;
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| 90 | MCI_OPEN_PARMS OpenParms;
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| 91 | MCI_WAVE_GETDEVCAPS_PARMS DevCapsParms;
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| 92 | MCI_GENERIC_PARMS GenericParms = {0};
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| 93 | #ifdef DEBUG
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| 94 | char szError[64] = "";
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| 95 | #endif
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[5358] | 96 |
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[21358] | 97 | dprintf(("WINMM: WaveOut::queryFormat %x srate=%d, nchan=%d, bps=%d", formatTag, nSamplesPerSec, nChannels, wBitsPerSample));
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[5358] | 98 |
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[21358] | 99 | // Open the device.
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| 100 | memset(&OpenParms, 0, sizeof(OpenParms));
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| 101 | OpenParms.pszDeviceType = (PSZ)MCI_DEVTYPE_WAVEFORM_AUDIO;
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| 102 |
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| 103 | rc = mymciSendCommand(0, MCI_OPEN,
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| 104 | MCI_WAIT | MCI_OPEN_TYPE_ID,
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| 105 | (PVOID)&OpenParms, 0);
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| 106 | if (LOUSHORT(rc) != MCIERR_SUCCESS) {
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| 107 | #ifdef DEBUG
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| 108 | mymciGetErrorString(rc, szError, sizeof(szError));
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| 109 | dprintf(("WINMM: WaveOut::queryFormat: %s\n", szError));
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| 110 | #endif
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| 111 | return FALSE;
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| 112 | }
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| 113 |
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| 114 | // See if the device can handle the specified format.
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| 115 | memset(&DevCapsParms, 0, sizeof(MCI_WAVE_GETDEVCAPS_PARMS));
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| 116 | DevCapsParms.ulBitsPerSample = wBitsPerSample;
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| 117 | DevCapsParms.ulFormatTag = DATATYPE_WAVEFORM;
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| 118 | DevCapsParms.ulSamplesPerSec = nSamplesPerSec;
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| 119 | DevCapsParms.ulChannels = nChannels;
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| 120 | DevCapsParms.ulFormatMode = MCI_PLAY;
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| 121 | DevCapsParms.ulItem = MCI_GETDEVCAPS_WAVE_FORMAT;
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| 122 |
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| 123 | rc = mymciSendCommand(OpenParms.usDeviceID, MCI_GETDEVCAPS,
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| 124 | MCI_WAIT | MCI_GETDEVCAPS_EXTENDED | MCI_GETDEVCAPS_ITEM,
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| 125 | (PVOID)&DevCapsParms, 0);
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| 126 | if (LOUSHORT(rc) != MCIERR_SUCCESS) {
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| 127 | #ifdef DEBUG
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| 128 | mymciGetErrorString(rc, szError, sizeof(szError));
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| 129 | dprintf(("WINMM: WaveOut::queryFormat: %s\n", szError));
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| 130 | #endif
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| 131 | winrc = FALSE;
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| 132 | }
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| 133 |
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| 134 | // Close the device
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| 135 | rc = mymciSendCommand(OpenParms.usDeviceID, MCI_CLOSE,
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| 136 | MCI_WAIT, (PVOID)&GenericParms, 0);
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| 137 | if (LOUSHORT(rc) != MCIERR_SUCCESS) {
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| 138 | #ifdef DEBUG
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| 139 | mymciGetErrorString(rc, szError, sizeof(szError));
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| 140 | dprintf(("WINMM: WaveOut::queryFormat: %s\n", szError));
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| 141 | #endif
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| 142 | winrc = FALSE;
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| 143 | }
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| 144 |
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| 145 | return winrc;
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[5358] | 146 | }
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| 147 | /******************************************************************************/
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[21358] | 148 | // Called if waveOutSetVolume is called by the application with waveout handle NULL
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| 149 | // Sets the default volume of each waveout stream (until it's volume is changed
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| 150 | // with an appropriate waveOutSetVolume call)
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[5358] | 151 | /******************************************************************************/
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| 152 | void WaveOut::setDefaultVolume(ULONG volume)
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| 153 | {
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[6026] | 154 | dprintf(("WaveOut::setDefaultVolume %x", volume));
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| 155 | defvolume = volume;
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[5358] | 156 | }
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| 157 | /******************************************************************************/
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| 158 | /******************************************************************************/
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[5873] | 159 | DWORD WaveOut::getDefaultVolume()
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| 160 | {
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[6026] | 161 | return defvolume;
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[5873] | 162 | }
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| 163 | /******************************************************************************/
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| 164 | /******************************************************************************/
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[5358] | 165 |
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