| 1 | /* $Id: idc.c,v 1.1.1.1 2003/07/02 13:56:56 eleph Exp $ */ | 
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| 2 | /* | 
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| 3 | * IDC entry point for calls from 16bit driver | 
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| 4 | * | 
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| 5 | * (C) 2000-2002 InnoTek Systemberatung GmbH | 
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| 6 | * (C) 2000-2001 Sander van Leeuwen (sandervl@xs4all.nl) | 
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| 7 | * | 
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| 8 | * This program is free software; you can redistribute it and/or | 
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| 9 | * modify it under the terms of the GNU General Public License as | 
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| 10 | * published by the Free Software Foundation; either version 2 of | 
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| 11 | * the License, or (at your option) any later version. | 
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| 12 | * | 
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| 13 | * This program is distributed in the hope that it will be useful, | 
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| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | 
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| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the | 
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| 16 | * GNU General Public License for more details. | 
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| 17 | * | 
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| 18 | * You should have received a copy of the GNU General Public | 
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| 19 | * License along with this program; if not, write to the Free | 
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| 20 | * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, | 
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| 21 | * USA. | 
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| 22 | * | 
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| 23 | */ | 
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| 24 |  | 
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| 25 | extern "C" {               // 16-bit header files are not C++ aware | 
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| 26 | #define INCL_NOPMAPI | 
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| 27 | #define INCL_DOSINFOSEG | 
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| 28 | #include <os2.h> | 
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| 29 | } | 
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| 30 | #include <devtype.h> | 
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| 31 | #include <devhelp.h> | 
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| 32 | #include <strategy.h> | 
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| 33 | #include <ossidc32.h> | 
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| 34 | #include <irqos2.h> | 
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| 35 | #include <stacktoflat.h> | 
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| 36 |  | 
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| 37 | //16:32 address of 16 bits pdd idc handler | 
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| 38 | IDC16_HANDLER idc16_PddHandler = 0; | 
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| 39 | extern "C" int pcm_device; | 
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| 40 | WORD32 OSS32IDC(ULONG cmd, PIDC32_PACKET pPacket); | 
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| 41 |  | 
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| 42 | //packet pointer must reference a structure on the stack | 
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| 43 |  | 
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| 44 | OSSRET AlsaIDC(ULONG cmd, ULONG packet); | 
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| 45 | #pragma aux AlsaIDC "ALSA_IDC" parm reverse [ecx edx] | 
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| 46 | OSSRET AlsaIDC(ULONG cmd, ULONG packet) | 
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| 47 | { | 
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| 48 | PIDC32_PACKET pPacket = (PIDC32_PACKET)__Stack16ToFlat(packet); | 
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| 49 | ULONG  oldfileid; | 
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| 50 | OSSRET rc; | 
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| 51 |  | 
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| 52 | //Sets file id in current task structure | 
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| 53 | oldfileid = OSS32_SetFileId(pPacket->fileid); | 
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| 54 | rc = OSS32IDC(cmd & 0xFFFF, pPacket); | 
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| 55 | OSS32_SetFileId(oldfileid); | 
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| 56 | return rc; | 
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| 57 | } | 
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| 58 |  | 
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| 59 | OSSRET OSS32IDC(ULONG cmd, PIDC32_PACKET pPacket) | 
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| 60 | { | 
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| 61 | OSSRET rc; | 
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| 62 |  | 
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| 63 | switch(cmd) | 
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| 64 | { | 
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| 65 | case IDC32_OSS32_INIT: | 
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| 66 | idc16_PddHandler = (IDC16_HANDLER)MAKE_FARPTR32(pPacket->init.handler16); | 
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| 67 | return OSSERR_SUCCESS; | 
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| 68 |  | 
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| 69 | case IDC32_OSS32_EXIT: | 
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| 70 | idc16_PddHandler = 0; | 
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| 71 | return OSSERR_SUCCESS; | 
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| 72 |  | 
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| 73 | case IDC32_OSS32_QUERYDEVCAPS: | 
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| 74 | return OSS32_QueryDevCaps(pPacket->devcaps.devicenr, (POSS32_DEVCAPS)__Stack16ToFlat(pPacket->devcaps.pDevCaps)); | 
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| 75 |  | 
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| 76 | case IDC32_OSS32_APM_SUSPEND: | 
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| 77 | return OSS32_APMSuspend(); | 
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| 78 |  | 
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| 79 | case IDC32_OSS32_APM_RESUME: | 
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| 80 | return OSS32_APMResume(); | 
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| 81 |  | 
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| 82 | case IDC32_WAVE_OPEN: | 
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| 83 | { | 
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| 84 | OSSSTREAMID streamId = 0; | 
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| 85 |  | 
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| 86 | rc = OSS32_WaveOpen(pPacket->open.devicenr, pPacket->open.streamtype, &streamId, pcm_device, (USHORT)pPacket->fileid); /* DAZ cast added to stop compiler warning */ | 
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| 87 | pPacket->streamid = streamId; | 
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| 88 | return rc; | 
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| 89 | } | 
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| 90 |  | 
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| 91 | case IDC32_WAVE_CLOSE: | 
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| 92 | return OSS32_WaveClose(pPacket->streamid); | 
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| 93 |  | 
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| 94 | case IDC32_WAVE_ADDBUFFER: | 
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| 95 | { | 
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| 96 | ULONG transferred = 0; | 
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| 97 | rc = OSS32_WaveAddBuffer(pPacket->streamid, pPacket->buffer.buffer, pPacket->buffer.size, &transferred, pcm_device); | 
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| 98 | pPacket->buffer.transferred = transferred; | 
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| 99 | return rc; | 
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| 100 | } | 
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| 101 |  | 
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| 102 | case IDC32_WAVE_GETSPACE: | 
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| 103 | { | 
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| 104 | ULONG bytesavail = 0; | 
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| 105 | rc = OSS32_WaveGetSpace(pPacket->streamid, &bytesavail); | 
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| 106 | pPacket->getspace.bytesavail = bytesavail; | 
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| 107 | return rc; | 
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| 108 | } | 
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| 109 |  | 
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| 110 | case IDC32_WAVE_PREPARE: | 
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| 111 | return OSS32_WavePrepare(pPacket->streamid); | 
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| 112 |  | 
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| 113 | case IDC32_WAVE_RESUME: | 
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| 114 | return OSS32_WaveResume(pPacket->streamid); | 
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| 115 |  | 
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| 116 | case IDC32_WAVE_PAUSE: | 
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| 117 | return OSS32_WavePause(pPacket->streamid); | 
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| 118 |  | 
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| 119 | case IDC32_WAVE_START: | 
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| 120 | return OSS32_WaveStart(pPacket->streamid); | 
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| 121 |  | 
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| 122 | case IDC32_WAVE_STOP: | 
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| 123 | return OSS32_WaveStop(pPacket->streamid); | 
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| 124 |  | 
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| 125 | case IDC32_WAVE_SETHWPARAMS: | 
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| 126 | { | 
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| 127 | OSS32_HWPARAMS *pHwParam = (OSS32_HWPARAMS *)__Stack16ToFlat(pPacket->sethwparams.hwparams); | 
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| 128 | return OSS32_WaveSetHwParams(pPacket->streamid, pHwParam); | 
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| 129 | } | 
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| 130 |  | 
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| 131 | case IDC32_WAVE_GETPOS: | 
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| 132 | { | 
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| 133 | ULONG position = 0; | 
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| 134 | rc = OSS32_WaveGetPosition(pPacket->streamid, &position); | 
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| 135 | pPacket->getpos.position = position; | 
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| 136 | return rc; | 
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| 137 | } | 
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| 138 |  | 
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| 139 | case IDC32_WAVE_GETHWPTR: | 
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| 140 | { | 
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| 141 | ULONG position = 0; | 
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| 142 | rc = OSS32_WaveGetHwPtr(pPacket->streamid, &position); | 
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| 143 | pPacket->getpos.position = position; | 
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| 144 | return rc; | 
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| 145 | } | 
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| 146 |  | 
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| 147 | case IDC32_WAVE_GETSTATUS: | 
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| 148 | { | 
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| 149 | ULONG status = 0; | 
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| 150 | rc = OSS32_WaveGetStatus(pPacket->streamid, &status); | 
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| 151 | pPacket->status.state = status; | 
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| 152 | return rc; | 
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| 153 | } | 
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| 154 |  | 
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| 155 | case IDC32_WAVE_SETVOLUME: | 
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| 156 | return OSS32_WaveSetVolume(pPacket->streamid, pPacket->setwavevol.volume); | 
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| 157 |  | 
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| 158 | case IDC32_MIXER_OPEN: | 
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| 159 | { | 
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| 160 | OSSSTREAMID streamId = 0; | 
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| 161 |  | 
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| 162 | rc = OSS32_MixOpen(pPacket->open.devicenr, &streamId); | 
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| 163 | pPacket->streamid = streamId; | 
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| 164 | return rc; | 
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| 165 | } | 
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| 166 |  | 
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| 167 | case IDC32_MIXER_CLOSE: | 
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| 168 | return OSS32_MixClose(pPacket->streamid); | 
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| 169 |  | 
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| 170 | case IDC32_MIXER_GETVOLUME: | 
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| 171 | { | 
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| 172 | ULONG volume = 0; | 
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| 173 |  | 
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| 174 | rc = OSS32_MixGetVolume(pPacket->streamid, pPacket->mixvol.line, &volume); | 
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| 175 | pPacket->mixvol.volume = volume; | 
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| 176 | return rc; | 
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| 177 | } | 
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| 178 |  | 
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| 179 | case IDC32_MIXER_SETVOLUME: | 
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| 180 | return OSS32_MixSetVolume(pPacket->streamid, pPacket->mixvol.line, pPacket->mixvol.volume); | 
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| 181 |  | 
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| 182 | case IDC32_MIXER_GETPROPERTY: | 
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| 183 | { | 
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| 184 | ULONG value = 0; | 
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| 185 |  | 
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| 186 | rc = OSS32_MixGetProperty(pPacket->streamid, pPacket->mixprop.property, &value); | 
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| 187 | pPacket->mixprop.value = value; | 
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| 188 | return rc; | 
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| 189 | } | 
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| 190 |  | 
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| 191 | case IDC32_MIXER_SETPROPERTY: | 
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| 192 | return OSS32_MixSetProperty(pPacket->streamid, pPacket->mixprop.property, pPacket->mixprop.value); | 
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| 193 |  | 
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| 194 | case IDC32_MIXER_QUERYCAPS: | 
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| 195 | return OSS32_MixQueryCaps(pPacket->streamid, (POSS32_MIXCAPS)__Stack16ToFlat(pPacket->mixcaps.pCaps)); | 
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| 196 |  | 
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| 197 | case IDC32_MIDI_OPEN: | 
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| 198 | { | 
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| 199 | OSSSTREAMID streamId = 0; | 
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| 200 |  | 
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| 201 | rc = OSS32_MidiOpen(pPacket->open.devicenr, pPacket->open.streamtype, &streamId); | 
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| 202 | pPacket->streamid = streamId; | 
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| 203 | return rc; | 
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| 204 | } | 
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| 205 |  | 
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| 206 | case IDC32_MIDI_CLOSE: | 
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| 207 | return OSS32_MidiClose(pPacket->streamid); | 
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| 208 |  | 
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| 209 | case IDC32_MIDI_WRITE: | 
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| 210 | return OSS32_MidiWrite(pPacket->streamid, pPacket->midiwrite.midiByte); | 
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| 211 |  | 
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| 212 | case IDC32_MIDI_READ: | 
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| 213 | { | 
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| 214 | ULONG transferred = 0; | 
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| 215 | rc = OSS32_MidiRead(pPacket->streamid, (char *)__Stack16ToFlat(pPacket->midiread.buffer), pPacket->midiread.bufsize, &transferred); | 
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| 216 | pPacket->buffer.transferred = transferred; | 
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| 217 | return rc; | 
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| 218 | } | 
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| 219 |  | 
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| 220 | case IDC32_MIDI_QUERYCAPS: | 
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| 221 | return OSS32_MidiQueryCaps(pPacket->streamid, (POSS32_MIDICAPS)__Stack16ToFlat(pPacket->midicaps.pCaps)); | 
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| 222 |  | 
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| 223 | case IDC32_DEBUG_STRING: | 
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| 224 | return OSS32_DebugString((char *)pPacket->buffer.buffer, pPacket->buffer.size); | 
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| 225 |  | 
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| 226 | case IDC32_MIDI_NOTEON: | 
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| 227 | case IDC32_MIDI_NOTEOFF: | 
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| 228 | case IDC32_MIDI_KEY_PRESSURE: | 
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| 229 | case IDC32_MIDI_CONTROL_CHANGE: | 
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| 230 | case IDC32_MIDI_PROGRAM_CHANGE: | 
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| 231 | case IDC32_MIDI_CHANNEL_PRESSURE: | 
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| 232 | case IDC32_MIDI_PITCH_BEND: | 
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| 233 | return OSS32_MidiCommand(pPacket->streamid, cmd, pPacket->midicmd.channel, pPacket->midicmd.param1, pPacket->midicmd.param2); | 
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| 234 | } | 
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| 235 |  | 
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| 236 | return OSSERR_INVALID_PARAMETER; | 
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| 237 | } | 
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