dlls/dmusic/port.c

   1 /* IDirectMusicPort Implementation
   2  *
   3  * Copyright (C) 2003-2004 Rok Mandeljc
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2.1 of the License, or (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  18  */
  19
  20 #include "dmusic_private.h"
  21
  22 WINE_DEFAULT_DEBUG_CHANNEL(dmusic);
  23
  24 /* IDirectMusicPortImpl IUnknown part: */
  25 static HRESULT WINAPI IDirectMusicPortImpl_QueryInterface (LPDIRECTMUSICPORT iface, REFIID riid, LPVOID *ppobj) {
  26         ICOM_THIS_MULTI(IDirectMusicPortImpl, lpVtbl, iface);
  27
  28         TRACE("(%p, %s, %p)\n", This, debugstr_dmguid(riid), ppobj);
  29
  30         if (IsEqualIID (riid, &IID_IUnknown) ||
  31             IsEqualGUID(riid, &IID_IDirectMusicPort) ||
  32             IsEqualGUID(riid, &IID_IDirectMusicPort8)) {
  33                 *ppobj = &This->lpVtbl;
  34                 IDirectMusicPort_AddRef((LPDIRECTMUSICPORT)*ppobj);
  35                 return S_OK;
  36         } else if (IsEqualGUID(riid, &IID_IDirectMusicPortDownload) ||
  37                    IsEqualGUID(riid, &IID_IDirectMusicPortDownload8)) {
  38                 *ppobj = &This->lpDownloadVtbl;
  39                 IDirectMusicPortDownload_AddRef((LPDIRECTMUSICPORTDOWNLOAD)*ppobj);
  40                 return S_OK;
  41         } else if (IsEqualGUID(riid, &IID_IDirectMusicThru) ||
  42                    IsEqualGUID(riid, &IID_IDirectMusicThru8)) {
  43                 *ppobj = &This->lpThruVtbl;
  44                 IDirectMusicThru_AddRef((LPDIRECTMUSICTHRU)*ppobj);
  45                 return S_OK;
  46         }
  47         WARN("(%p, %s, %p): not found\n", This, debugstr_dmguid(riid), ppobj);
  48         return E_NOINTERFACE;
  49 }
  50
  51 static ULONG WINAPI IDirectMusicPortImpl_AddRef (LPDIRECTMUSICPORT iface) {
  52         IDirectMusicPortImpl *This = (IDirectMusicPortImpl *)iface;
  53         ULONG refCount = InterlockedIncrement(&This->ref);
  54
  55         TRACE("(%p)->(ref before=%u)\n", This, refCount - 1);
  56
  57         DMUSIC_LockModule();
  58
  59         return refCount;
  60 }
  61
  62 static ULONG WINAPI IDirectMusicPortImpl_Release (LPDIRECTMUSICPORT iface) {
  63         IDirectMusicPortImpl *This = (IDirectMusicPortImpl *)iface;
  64         ULONG refCount = InterlockedDecrement(&This->ref);
  65
  66         TRACE("(%p)->(ref before=%u)\n", This, refCount + 1);
  67
  68         if (!refCount) {
  69                 HeapFree(GetProcessHeap(), 0, This);
  70         }
  71
  72         DMUSIC_UnlockModule();
  73
  74         return refCount;
  75 }
  76
  77 /* IDirectMusicPortImpl IDirectMusicPort part: */
  78 static HRESULT WINAPI IDirectMusicPortImpl_PlayBuffer (LPDIRECTMUSICPORT iface, LPDIRECTMUSICBUFFER pBuffer) {
  79         IDirectMusicPortImpl *This = (IDirectMusicPortImpl *)iface;
  80         FIXME("(%p, %p): stub\n", This, pBuffer);
  81         return S_OK;
  82 }
  83
  84 static HRESULT WINAPI IDirectMusicPortImpl_SetReadNotificationHandle (LPDIRECTMUSICPORT iface, HANDLE hEvent) {
  85         IDirectMusicPortImpl *This = (IDirectMusicPortImpl *)iface;
  86         FIXME("(%p, %p): stub\n", This, hEvent);
  87         return S_OK;
  88 }
  89
  90 static HRESULT WINAPI IDirectMusicPortImpl_Read (LPDIRECTMUSICPORT iface, LPDIRECTMUSICBUFFER pBuffer) {
  91         IDirectMusicPortImpl *This = (IDirectMusicPortImpl *)iface;
  92         FIXME("(%p, %p): stub\n", This, pBuffer);
  93         return S_OK;
  94 }
  95
  96 static HRESULT WINAPI IDirectMusicPortImpl_DownloadInstrument (LPDIRECTMUSICPORT iface, IDirectMusicInstrument* pInstrument, IDirectMusicDownloadedInstrument** ppDownloadedInstrument, DMUS_NOTERANGE* pNoteRanges, DWORD dwNumNoteRanges) {
  97         IDirectMusicPortImpl *This = (IDirectMusicPortImpl *)iface;
  98
  99         FIXME("(%p, %p, %p, %p, %d): stub\n", This, pInstrument, ppDownloadedInstrument, pNoteRanges, dwNumNoteRanges);
 100
 101         if (!pInstrument || !ppDownloadedInstrument || (dwNumNoteRanges && !pNoteRanges))
 102                 return E_POINTER;
 103
 104         return DMUSIC_CreateDirectMusicDownloadedInstrumentImpl(&IID_IDirectMusicDownloadedInstrument, (LPVOID*)ppDownloadedInstrument, NULL);
 105 }
 106
 107 static HRESULT WINAPI IDirectMusicPortImpl_UnloadInstrument (LPDIRECTMUSICPORT iface, IDirectMusicDownloadedInstrument *pDownloadedInstrument) {
 108         IDirectMusicPortImpl *This = (IDirectMusicPortImpl *)iface;
 109         FIXME("(%p, %p): stub\n", This, pDownloadedInstrument);
 110         return S_OK;
 111 }
 112
 113 static HRESULT WINAPI IDirectMusicPortImpl_GetLatencyClock (LPDIRECTMUSICPORT iface, IReferenceClock** ppClock) {
 114         IDirectMusicPortImpl *This = (IDirectMusicPortImpl *)iface;
 115         TRACE("(%p, %p)\n", This, ppClock);
 116         *ppClock = This->pLatencyClock;
 117         IReferenceClock_AddRef (*ppClock);
 118         return S_OK;
 119 }
 120
 121 static HRESULT WINAPI IDirectMusicPortImpl_GetRunningStats (LPDIRECTMUSICPORT iface, LPDMUS_SYNTHSTATS pStats) {
 122         IDirectMusicPortImpl *This = (IDirectMusicPortImpl *)iface;
 123         FIXME("(%p, %p): stub\n", This, pStats);
 124         return S_OK;
 125 }
 126
 127 static HRESULT WINAPI IDirectMusicPortImpl_Compact (LPDIRECTMUSICPORT iface) {
 128         IDirectMusicPortImpl *This = (IDirectMusicPortImpl *)iface;
 129         FIXME("(%p): stub\n", This);
 130         return S_OK;
 131 }
 132
 133 static HRESULT WINAPI IDirectMusicPortImpl_GetCaps (LPDIRECTMUSICPORT iface, LPDMUS_PORTCAPS pPortCaps) {
 134         IDirectMusicPortImpl *This = (IDirectMusicPortImpl *)iface;
 135         TRACE("(%p, %p)\n", This, pPortCaps);
 136         *pPortCaps = This->caps;
 137         return S_OK;
 138 }
 139
 140 static HRESULT WINAPI IDirectMusicPortImpl_DeviceIoControl (LPDIRECTMUSICPORT iface, DWORD dwIoControlCode, LPVOID lpInBuffer, DWORD nInBufferSize, LPVOID lpOutBuffer, DWORD nOutBufferSize, LPDWORD lpBytesReturned, LPOVERLAPPED lpOverlapped) {
 141         IDirectMusicPortImpl *This = (IDirectMusicPortImpl *)iface;
 142         FIXME("(%p, %d, %p, %d, %p, %d, %p, %p): stub\n", This, dwIoControlCode, lpInBuffer, nInBufferSize, lpOutBuffer, nOutBufferSize, lpBytesReturned, lpOverlapped);
 143         return S_OK;
 144 }
 145
 146 static HRESULT WINAPI IDirectMusicPortImpl_SetNumChannelGroups (LPDIRECTMUSICPORT iface, DWORD dwChannelGroups) {
 147         IDirectMusicPortImpl *This = (IDirectMusicPortImpl *)iface;
 148         FIXME("(%p, %d): semi-stub\n", This, dwChannelGroups);
 149         This->nrofgroups = dwChannelGroups;
 150         return S_OK;
 151 }
 152
 153 static HRESULT WINAPI IDirectMusicPortImpl_GetNumChannelGroups (LPDIRECTMUSICPORT iface, LPDWORD pdwChannelGroups) {
 154         IDirectMusicPortImpl *This = (IDirectMusicPortImpl *)iface;
 155         TRACE("(%p, %p)\n", This, pdwChannelGroups);
 156         *pdwChannelGroups = This->nrofgroups;
 157         return S_OK;
 158 }
 159
 160 HRESULT WINAPI IDirectMusicPortImpl_Activate (LPDIRECTMUSICPORT iface, BOOL fActive) {
 161         IDirectMusicPortImpl *This = (IDirectMusicPortImpl *)iface;
 162         TRACE("(%p, %d)\n", This, fActive);
 163         This->fActive = fActive;
 164         return S_OK;
 165 }
 166
 167 static HRESULT WINAPI IDirectMusicPortImpl_SetChannelPriority (LPDIRECTMUSICPORT iface, DWORD dwChannelGroup, DWORD dwChannel, DWORD dwPriority) {
 168         IDirectMusicPortImpl *This = (IDirectMusicPortImpl *)iface;
 169         FIXME("(%p, %d, %d, %d): semi-stub\n", This, dwChannelGroup, dwChannel, dwPriority);
 170         if (dwChannel > 16) {
 171                 WARN("isn't there supposed to be 16 channels (no. %d requested)?! (faking as it is ok)\n", dwChannel);
 172                 /*return E_INVALIDARG;*/
 173         }
 174         return S_OK;
 175 }
 176
 177 static HRESULT WINAPI IDirectMusicPortImpl_GetChannelPriority (LPDIRECTMUSICPORT iface, DWORD dwChannelGroup, DWORD dwChannel, LPDWORD pdwPriority) {
 178         IDirectMusicPortImpl *This = (IDirectMusicPortImpl *)iface;
 179         TRACE("(%p, %d, %d, %p)\n", This, dwChannelGroup, dwChannel, pdwPriority);
 180         *pdwPriority = This->group[dwChannelGroup-1].channel[dwChannel].priority;
 181         return S_OK;
 182 }
 183
 184 static HRESULT WINAPI IDirectMusicPortImpl_SetDirectSound (LPDIRECTMUSICPORT iface, LPDIRECTSOUND pDirectSound, LPDIRECTSOUNDBUFFER pDirectSoundBuffer) {
 185         IDirectMusicPortImpl *This = (IDirectMusicPortImpl *)iface;
 186         FIXME("(%p, %p, %p): stub\n", This, pDirectSound, pDirectSoundBuffer);
 187         return S_OK;
 188 }
 189
 190 static HRESULT WINAPI IDirectMusicPortImpl_GetFormat (LPDIRECTMUSICPORT iface, LPWAVEFORMATEX pWaveFormatEx, LPDWORD pdwWaveFormatExSize, LPDWORD pdwBufferSize) {
 191         IDirectMusicPortImpl *This = (IDirectMusicPortImpl *)iface;
 192         WAVEFORMATEX format;
 193         FIXME("(%p, %p, %p, %p): stub\n", This, pWaveFormatEx, pdwWaveFormatExSize, pdwBufferSize);
 194
 195         if (pWaveFormatEx == NULL)
 196         {
 197                 if (pdwWaveFormatExSize)
 198                         *pdwWaveFormatExSize = sizeof(format);
 199                 else
 200                         return E_POINTER;
 201         }
 202         else
 203         {
 204                 if (pdwWaveFormatExSize == NULL)
 205                         return E_POINTER;
 206
 207                 /* Just fill this in with something that will not crash Direct Sound for now. */
 208                 /* It won't be used anyway until Performances are completed */
 209                 format.wFormatTag = WAVE_FORMAT_PCM;
 210                 format.nChannels = 2; /* This->params.dwAudioChannels; */
 211                 format.nSamplesPerSec = 44100; /* This->params.dwSampleRate; */
 212                 format.wBitsPerSample = 16;     /* FIXME: check this */
 213                 format.nBlockAlign = (format.wBitsPerSample * format.nChannels) / 8;
 214                 format.nAvgBytesPerSec = format.nSamplesPerSec * format.nBlockAlign;
 215                 format.cbSize = 0;
 216
 217                 if (*pdwWaveFormatExSize >= sizeof(format))
 218                 {
 219                         CopyMemory(pWaveFormatEx, &format, min(sizeof(format), *pdwWaveFormatExSize));
 220                         *pdwWaveFormatExSize = sizeof(format);  /* FIXME check if this is set */
 221                 }
 222                 else
 223                         return E_POINTER;       /* FIXME find right error */
 224         }
 225
 226         if (pdwBufferSize)
 227                 *pdwBufferSize = 44100 * 2 * 2;
 228         else
 229                 return E_POINTER;
 230
 231         return S_OK;
 232 }
 233
 234 static const IDirectMusicPortVtbl DirectMusicPort_Vtbl = {
 235         IDirectMusicPortImpl_QueryInterface,
 236         IDirectMusicPortImpl_AddRef,
 237         IDirectMusicPortImpl_Release,
 238         IDirectMusicPortImpl_PlayBuffer,
 239         IDirectMusicPortImpl_SetReadNotificationHandle,
 240         IDirectMusicPortImpl_Read,
 241         IDirectMusicPortImpl_DownloadInstrument,
 242         IDirectMusicPortImpl_UnloadInstrument,
 243         IDirectMusicPortImpl_GetLatencyClock,
 244         IDirectMusicPortImpl_GetRunningStats,
 245         IDirectMusicPortImpl_Compact,
 246         IDirectMusicPortImpl_GetCaps,
 247         IDirectMusicPortImpl_DeviceIoControl,
 248         IDirectMusicPortImpl_SetNumChannelGroups,
 249         IDirectMusicPortImpl_GetNumChannelGroups,
 250         IDirectMusicPortImpl_Activate,
 251         IDirectMusicPortImpl_SetChannelPriority,
 252         IDirectMusicPortImpl_GetChannelPriority,
 253         IDirectMusicPortImpl_SetDirectSound,
 254         IDirectMusicPortImpl_GetFormat
 255 };
 256
 257 /* IDirectMusicPortDownload IUnknown parts follow: */
 258 static HRESULT WINAPI IDirectMusicPortDownloadImpl_QueryInterface (LPDIRECTMUSICPORTDOWNLOAD iface, REFIID riid, LPVOID *ppobj) {
 259         ICOM_THIS_MULTI(IDirectMusicPortImpl, lpDownloadVtbl, iface);
 260         TRACE("(%p/%p)->(%s, %p)\n", This, iface, debugstr_dmguid(riid), ppobj);
 261         return IUnknown_QueryInterface((IUnknown *)&(This->lpVtbl), riid, ppobj);
 262 }
 263
 264 static ULONG WINAPI IDirectMusicPortDownloadImpl_AddRef (LPDIRECTMUSICPORTDOWNLOAD iface) {
 265         ICOM_THIS_MULTI(IDirectMusicPortImpl, lpDownloadVtbl, iface);
 266         TRACE("(%p/%p)->()\n", This, iface);
 267         return IUnknown_AddRef((IUnknown *)&(This->lpVtbl));
 268 }
 269
 270 static ULONG WINAPI IDirectMusicPortDownloadImpl_Release (LPDIRECTMUSICPORTDOWNLOAD iface) {
 271         ICOM_THIS_MULTI(IDirectMusicPortImpl, lpDownloadVtbl, iface);
 272         TRACE("(%p/%p)->()\n", This, iface);
 273         return IUnknown_Release((IUnknown *)&(This->lpVtbl));
 274 }
 275
 276 /* IDirectMusicPortDownload Interface follow: */
 277 static HRESULT WINAPI IDirectMusicPortDownloadImpl_GetBuffer (LPDIRECTMUSICPORTDOWNLOAD iface, DWORD dwDLId, IDirectMusicDownload** ppIDMDownload) {
 278         ICOM_THIS_MULTI(IDirectMusicPortImpl, lpDownloadVtbl, iface);
 279
 280         FIXME("(%p/%p)->(%d, %p): stub\n", This, iface, dwDLId, ppIDMDownload);
 281
 282         if (!ppIDMDownload)
 283                 return E_POINTER;
 284
 285         return DMUSIC_CreateDirectMusicDownloadImpl(&IID_IDirectMusicDownload, (LPVOID*)ppIDMDownload, NULL);
 286 }
 287
 288 static HRESULT WINAPI IDirectMusicPortDownloadImpl_AllocateBuffer (LPDIRECTMUSICPORTDOWNLOAD iface, DWORD dwSize, IDirectMusicDownload** ppIDMDownload) {
 289         ICOM_THIS_MULTI(IDirectMusicPortImpl, lpDownloadVtbl, iface);
 290         FIXME("(%p/%p)->(%d, %p): stub\n", This, iface, dwSize, ppIDMDownload);
 291         return S_OK;
 292 }
 293
 294 static HRESULT WINAPI IDirectMusicPortDownloadImpl_GetDLId (LPDIRECTMUSICPORTDOWNLOAD iface, DWORD* pdwStartDLId, DWORD dwCount) {
 295         ICOM_THIS_MULTI(IDirectMusicPortImpl, lpDownloadVtbl, iface);
 296         FIXME("(%p/%p)->(%p, %d): stub\n", This, iface, pdwStartDLId, dwCount);
 297         return S_OK;
 298 }
 299
 300 static HRESULT WINAPI IDirectMusicPortDownloadImpl_GetAppend (LPDIRECTMUSICPORTDOWNLOAD iface, DWORD* pdwAppend) {
 301         IDirectMusicPortImpl *This = (IDirectMusicPortImpl *)iface;
 302         FIXME("(%p/%p)->(%p): stub\n", This, iface, pdwAppend);
 303         return S_OK;
 304 }
 305
 306 static HRESULT WINAPI IDirectMusicPortDownloadImpl_Download (LPDIRECTMUSICPORTDOWNLOAD iface, IDirectMusicDownload* pIDMDownload) {
 307         IDirectMusicPortImpl *This = (IDirectMusicPortImpl *)iface;
 308         FIXME("(%p/%p)->(%p): stub\n", This, iface, pIDMDownload);
 309         return S_OK;
 310 }
 311
 312 static HRESULT WINAPI IDirectMusicPortDownloadImpl_Unload (LPDIRECTMUSICPORTDOWNLOAD iface, IDirectMusicDownload* pIDMDownload) {
 313         IDirectMusicPortImpl *This = (IDirectMusicPortImpl *)iface;
 314         FIXME("(%p/%p)->(%p): stub\n", This, iface, pIDMDownload);
 315         return S_OK;
 316 }
 317
 318 static const IDirectMusicPortDownloadVtbl DirectMusicPortDownload_Vtbl = {
 319         IDirectMusicPortDownloadImpl_QueryInterface,
 320         IDirectMusicPortDownloadImpl_AddRef,
 321         IDirectMusicPortDownloadImpl_Release,
 322         IDirectMusicPortDownloadImpl_GetBuffer,
 323         IDirectMusicPortDownloadImpl_AllocateBuffer,
 324         IDirectMusicPortDownloadImpl_GetDLId,
 325         IDirectMusicPortDownloadImpl_GetAppend,
 326         IDirectMusicPortDownloadImpl_Download,
 327         IDirectMusicPortDownloadImpl_Unload
 328 };
 329
 330 /* IDirectMusicThru IUnknown parts follow: */
 331 static HRESULT WINAPI IDirectMusicThruImpl_QueryInterface (LPDIRECTMUSICTHRU iface, REFIID riid, LPVOID *ppobj) {
 332         ICOM_THIS_MULTI(IDirectMusicPortImpl, lpThruVtbl, iface);
 333         TRACE("(%p/%p)->(%s, %p)\n", This, iface, debugstr_dmguid(riid), ppobj);
 334         return IUnknown_QueryInterface((IUnknown *)&(This->lpVtbl), riid, ppobj);
 335 }
 336
 337 static ULONG WINAPI IDirectMusicThruImpl_AddRef (LPDIRECTMUSICTHRU iface) {
 338         ICOM_THIS_MULTI(IDirectMusicPortImpl, lpThruVtbl, iface);
 339         TRACE("(%p/%p)->()\n", This, iface);
 340         return IUnknown_AddRef((IUnknown *)&(This->lpVtbl));
 341 }
 342
 343 static ULONG WINAPI IDirectMusicThruImpl_Release (LPDIRECTMUSICTHRU iface) {
 344         ICOM_THIS_MULTI(IDirectMusicPortImpl, lpThruVtbl, iface);
 345         TRACE("(%p/%p)->()\n", This, iface);
 346         return IUnknown_Release((IUnknown *)&(This->lpVtbl));
 347 }
 348
 349 /* IDirectMusicThru Interface follow: */
 350 static HRESULT WINAPI IDirectMusicThruImpl_ThruChannel (LPDIRECTMUSICTHRU iface, DWORD dwSourceChannelGroup, DWORD dwSourceChannel, DWORD dwDestinationChannelGroup, DWORD dwDestinationChannel, LPDIRECTMUSICPORT pDestinationPort) {
 351         ICOM_THIS_MULTI(IDirectMusicPortImpl, lpThruVtbl, iface);
 352         FIXME("(%p/%p)->(%d, %d, %d, %d, %p): stub\n", This, iface, dwSourceChannelGroup, dwSourceChannel, dwDestinationChannelGroup, dwDestinationChannel, pDestinationPort);
 353         return S_OK;
 354 }
 355
 356 static const IDirectMusicThruVtbl DirectMusicThru_Vtbl = {
 357         IDirectMusicThruImpl_QueryInterface,
 358         IDirectMusicThruImpl_AddRef,
 359         IDirectMusicThruImpl_Release,
 360         IDirectMusicThruImpl_ThruChannel
 361 };
 362
 363 HRESULT WINAPI DMUSIC_CreateDirectMusicPortImpl (LPCGUID lpcGUID, LPVOID *ppobj, LPUNKNOWN pUnkOuter, LPDMUS_PORTPARAMS pPortParams, LPDMUS_PORTCAPS pPortCaps) {
 364         IDirectMusicPortImpl *obj;
 365         HRESULT hr = E_FAIL;
 366         UINT j;
 367
 368         TRACE("(%p,%p,%p)\n", lpcGUID, ppobj, pUnkOuter);
 369
 370         obj = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectMusicPortImpl));
 371         if (NULL == obj) {
 372                 *ppobj = NULL;
 373                 return E_OUTOFMEMORY;
 374         }
 375         obj->lpVtbl = &DirectMusicPort_Vtbl;
 376         obj->lpDownloadVtbl = &DirectMusicPortDownload_Vtbl;
 377         obj->lpThruVtbl = &DirectMusicThru_Vtbl;
 378         obj->ref = 0;  /* will be inited by QueryInterface */
 379         obj->fActive = FALSE;
 380         obj->params = *pPortParams;
 381         obj->caps = *pPortCaps;
 382         obj->pDirectSound = NULL;
 383         obj->pLatencyClock = NULL;
 384         hr = DMUSIC_CreateReferenceClockImpl(&IID_IReferenceClock, (LPVOID*)&obj->pLatencyClock, NULL);
 385
 386 if(0)
 387 {
 388         if (pPortParams->dwValidParams & DMUS_PORTPARAMS_CHANNELGROUPS) {
 389           obj->nrofgroups = pPortParams->dwChannelGroups;
 390           /* setting default priorities */
 391           for (j = 0; j < obj->nrofgroups; j++) {
 392             TRACE ("Setting default channel priorities on channel group %i\n", j + 1);
 393             obj->group[j].channel[0].priority = DAUD_CHAN1_DEF_VOICE_PRIORITY;
 394             obj->group[j].channel[1].priority = DAUD_CHAN2_DEF_VOICE_PRIORITY;
 395             obj->group[j].channel[2].priority = DAUD_CHAN3_DEF_VOICE_PRIORITY;
 396             obj->group[j].channel[3].priority = DAUD_CHAN4_DEF_VOICE_PRIORITY;
 397             obj->group[j].channel[4].priority = DAUD_CHAN5_DEF_VOICE_PRIORITY;
 398             obj->group[j].channel[5].priority = DAUD_CHAN6_DEF_VOICE_PRIORITY;
 399             obj->group[j].channel[6].priority = DAUD_CHAN7_DEF_VOICE_PRIORITY;
 400             obj->group[j].channel[7].priority = DAUD_CHAN8_DEF_VOICE_PRIORITY;
 401             obj->group[j].channel[8].priority = DAUD_CHAN9_DEF_VOICE_PRIORITY;
 402             obj->group[j].channel[9].priority = DAUD_CHAN10_DEF_VOICE_PRIORITY;
 403             obj->group[j].channel[10].priority = DAUD_CHAN11_DEF_VOICE_PRIORITY;
 404             obj->group[j].channel[11].priority = DAUD_CHAN12_DEF_VOICE_PRIORITY;
 405             obj->group[j].channel[12].priority = DAUD_CHAN13_DEF_VOICE_PRIORITY;
 406             obj->group[j].channel[13].priority = DAUD_CHAN14_DEF_VOICE_PRIORITY;
 407             obj->group[j].channel[14].priority = DAUD_CHAN15_DEF_VOICE_PRIORITY;
 408             obj->group[j].channel[15].priority = DAUD_CHAN16_DEF_VOICE_PRIORITY;
 409           }
 410         }
 411 }
 412
 413         return IDirectMusicPortImpl_QueryInterface ((LPDIRECTMUSICPORT)obj, lpcGUID, ppobj);
 414 }