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 static HRESULT WINAPI IDirectMusicPortImpl_Activate (LPDIRECTMUSICPORT iface, BOOL fActive)
 161 {
 162         IDirectMusicPortImpl *This = (IDirectMusicPortImpl *)iface;
 163         TRACE("(%p, %d)\n", This, fActive);
 164         This->fActive = fActive;
 165         return S_OK;
 166 }
 167
 168 static HRESULT WINAPI IDirectMusicPortImpl_SetChannelPriority (LPDIRECTMUSICPORT iface, DWORD dwChannelGroup, DWORD dwChannel, DWORD dwPriority) {
 169         IDirectMusicPortImpl *This = (IDirectMusicPortImpl *)iface;
 170         FIXME("(%p, %d, %d, %d): semi-stub\n", This, dwChannelGroup, dwChannel, dwPriority);
 171         if (dwChannel > 16) {
 172                 WARN("isn't there supposed to be 16 channels (no. %d requested)?! (faking as it is ok)\n", dwChannel);
 173                 /*return E_INVALIDARG;*/
 174         }
 175         return S_OK;
 176 }
 177
 178 static HRESULT WINAPI IDirectMusicPortImpl_GetChannelPriority (LPDIRECTMUSICPORT iface, DWORD dwChannelGroup, DWORD dwChannel, LPDWORD pdwPriority) {
 179         IDirectMusicPortImpl *This = (IDirectMusicPortImpl *)iface;
 180         TRACE("(%p, %d, %d, %p)\n", This, dwChannelGroup, dwChannel, pdwPriority);
 181         *pdwPriority = This->group[dwChannelGroup-1].channel[dwChannel].priority;
 182         return S_OK;
 183 }
 184
 185 static HRESULT WINAPI IDirectMusicPortImpl_SetDirectSound (LPDIRECTMUSICPORT iface, LPDIRECTSOUND pDirectSound, LPDIRECTSOUNDBUFFER pDirectSoundBuffer) {
 186         IDirectMusicPortImpl *This = (IDirectMusicPortImpl *)iface;
 187         FIXME("(%p, %p, %p): stub\n", This, pDirectSound, pDirectSoundBuffer);
 188         return S_OK;
 189 }
 190
 191 static HRESULT WINAPI IDirectMusicPortImpl_GetFormat (LPDIRECTMUSICPORT iface, LPWAVEFORMATEX pWaveFormatEx, LPDWORD pdwWaveFormatExSize, LPDWORD pdwBufferSize) {
 192         IDirectMusicPortImpl *This = (IDirectMusicPortImpl *)iface;
 193         WAVEFORMATEX format;
 194         FIXME("(%p, %p, %p, %p): stub\n", This, pWaveFormatEx, pdwWaveFormatExSize, pdwBufferSize);
 195
 196         if (pWaveFormatEx == NULL)
 197         {
 198                 if (pdwWaveFormatExSize)
 199                         *pdwWaveFormatExSize = sizeof(format);
 200                 else
 201                         return E_POINTER;
 202         }
 203         else
 204         {
 205                 if (pdwWaveFormatExSize == NULL)
 206                         return E_POINTER;
 207
 208                 /* Just fill this in with something that will not crash Direct Sound for now. */
 209                 /* It won't be used anyway until Performances are completed */
 210                 format.wFormatTag = WAVE_FORMAT_PCM;
 211                 format.nChannels = 2; /* This->params.dwAudioChannels; */
 212                 format.nSamplesPerSec = 44100; /* This->params.dwSampleRate; */
 213                 format.wBitsPerSample = 16;     /* FIXME: check this */
 214                 format.nBlockAlign = (format.wBitsPerSample * format.nChannels) / 8;
 215                 format.nAvgBytesPerSec = format.nSamplesPerSec * format.nBlockAlign;
 216                 format.cbSize = 0;
 217
 218                 if (*pdwWaveFormatExSize >= sizeof(format))
 219                 {
 220                         CopyMemory(pWaveFormatEx, &format, min(sizeof(format), *pdwWaveFormatExSize));
 221                         *pdwWaveFormatExSize = sizeof(format);  /* FIXME check if this is set */
 222                 }
 223                 else
 224                         return E_POINTER;       /* FIXME find right error */
 225         }
 226
 227         if (pdwBufferSize)
 228                 *pdwBufferSize = 44100 * 2 * 2;
 229         else
 230                 return E_POINTER;
 231
 232         return S_OK;
 233 }
 234
 235 static const IDirectMusicPortVtbl DirectMusicPort_Vtbl = {
 236         IDirectMusicPortImpl_QueryInterface,
 237         IDirectMusicPortImpl_AddRef,
 238         IDirectMusicPortImpl_Release,
 239         IDirectMusicPortImpl_PlayBuffer,
 240         IDirectMusicPortImpl_SetReadNotificationHandle,
 241         IDirectMusicPortImpl_Read,
 242         IDirectMusicPortImpl_DownloadInstrument,
 243         IDirectMusicPortImpl_UnloadInstrument,
 244         IDirectMusicPortImpl_GetLatencyClock,
 245         IDirectMusicPortImpl_GetRunningStats,
 246         IDirectMusicPortImpl_Compact,
 247         IDirectMusicPortImpl_GetCaps,
 248         IDirectMusicPortImpl_DeviceIoControl,
 249         IDirectMusicPortImpl_SetNumChannelGroups,
 250         IDirectMusicPortImpl_GetNumChannelGroups,
 251         IDirectMusicPortImpl_Activate,
 252         IDirectMusicPortImpl_SetChannelPriority,
 253         IDirectMusicPortImpl_GetChannelPriority,
 254         IDirectMusicPortImpl_SetDirectSound,
 255         IDirectMusicPortImpl_GetFormat
 256 };
 257
 258 /* IDirectMusicPortDownload IUnknown parts follow: */
 259 static HRESULT WINAPI IDirectMusicPortDownloadImpl_QueryInterface (LPDIRECTMUSICPORTDOWNLOAD iface, REFIID riid, LPVOID *ppobj) {
 260         ICOM_THIS_MULTI(IDirectMusicPortImpl, lpDownloadVtbl, iface);
 261         TRACE("(%p/%p)->(%s, %p)\n", This, iface, debugstr_dmguid(riid), ppobj);
 262         return IUnknown_QueryInterface((IUnknown *)&(This->lpVtbl), riid, ppobj);
 263 }
 264
 265 static ULONG WINAPI IDirectMusicPortDownloadImpl_AddRef (LPDIRECTMUSICPORTDOWNLOAD iface) {
 266         ICOM_THIS_MULTI(IDirectMusicPortImpl, lpDownloadVtbl, iface);
 267         TRACE("(%p/%p)->()\n", This, iface);
 268         return IUnknown_AddRef((IUnknown *)&(This->lpVtbl));
 269 }
 270
 271 static ULONG WINAPI IDirectMusicPortDownloadImpl_Release (LPDIRECTMUSICPORTDOWNLOAD iface) {
 272         ICOM_THIS_MULTI(IDirectMusicPortImpl, lpDownloadVtbl, iface);
 273         TRACE("(%p/%p)->()\n", This, iface);
 274         return IUnknown_Release((IUnknown *)&(This->lpVtbl));
 275 }
 276
 277 /* IDirectMusicPortDownload Interface follow: */
 278 static HRESULT WINAPI IDirectMusicPortDownloadImpl_GetBuffer (LPDIRECTMUSICPORTDOWNLOAD iface, DWORD dwDLId, IDirectMusicDownload** ppIDMDownload) {
 279         ICOM_THIS_MULTI(IDirectMusicPortImpl, lpDownloadVtbl, iface);
 280
 281         FIXME("(%p/%p)->(%d, %p): stub\n", This, iface, dwDLId, ppIDMDownload);
 282
 283         if (!ppIDMDownload)
 284                 return E_POINTER;
 285
 286         return DMUSIC_CreateDirectMusicDownloadImpl(&IID_IDirectMusicDownload, (LPVOID*)ppIDMDownload, NULL);
 287 }
 288
 289 static HRESULT WINAPI IDirectMusicPortDownloadImpl_AllocateBuffer (LPDIRECTMUSICPORTDOWNLOAD iface, DWORD dwSize, IDirectMusicDownload** ppIDMDownload) {
 290         ICOM_THIS_MULTI(IDirectMusicPortImpl, lpDownloadVtbl, iface);
 291         FIXME("(%p/%p)->(%d, %p): stub\n", This, iface, dwSize, ppIDMDownload);
 292         return S_OK;
 293 }
 294
 295 static HRESULT WINAPI IDirectMusicPortDownloadImpl_GetDLId (LPDIRECTMUSICPORTDOWNLOAD iface, DWORD* pdwStartDLId, DWORD dwCount) {
 296         ICOM_THIS_MULTI(IDirectMusicPortImpl, lpDownloadVtbl, iface);
 297         FIXME("(%p/%p)->(%p, %d): stub\n", This, iface, pdwStartDLId, dwCount);
 298         return S_OK;
 299 }
 300
 301 static HRESULT WINAPI IDirectMusicPortDownloadImpl_GetAppend (LPDIRECTMUSICPORTDOWNLOAD iface, DWORD* pdwAppend) {
 302         IDirectMusicPortImpl *This = (IDirectMusicPortImpl *)iface;
 303         FIXME("(%p/%p)->(%p): stub\n", This, iface, pdwAppend);
 304         return S_OK;
 305 }
 306
 307 static HRESULT WINAPI IDirectMusicPortDownloadImpl_Download (LPDIRECTMUSICPORTDOWNLOAD iface, IDirectMusicDownload* pIDMDownload) {
 308         IDirectMusicPortImpl *This = (IDirectMusicPortImpl *)iface;
 309         FIXME("(%p/%p)->(%p): stub\n", This, iface, pIDMDownload);
 310         return S_OK;
 311 }
 312
 313 static HRESULT WINAPI IDirectMusicPortDownloadImpl_Unload (LPDIRECTMUSICPORTDOWNLOAD iface, IDirectMusicDownload* pIDMDownload) {
 314         IDirectMusicPortImpl *This = (IDirectMusicPortImpl *)iface;
 315         FIXME("(%p/%p)->(%p): stub\n", This, iface, pIDMDownload);
 316         return S_OK;
 317 }
 318
 319 static const IDirectMusicPortDownloadVtbl DirectMusicPortDownload_Vtbl = {
 320         IDirectMusicPortDownloadImpl_QueryInterface,
 321         IDirectMusicPortDownloadImpl_AddRef,
 322         IDirectMusicPortDownloadImpl_Release,
 323         IDirectMusicPortDownloadImpl_GetBuffer,
 324         IDirectMusicPortDownloadImpl_AllocateBuffer,
 325         IDirectMusicPortDownloadImpl_GetDLId,
 326         IDirectMusicPortDownloadImpl_GetAppend,
 327         IDirectMusicPortDownloadImpl_Download,
 328         IDirectMusicPortDownloadImpl_Unload
 329 };
 330
 331 /* IDirectMusicThru IUnknown parts follow: */
 332 static HRESULT WINAPI IDirectMusicThruImpl_QueryInterface (LPDIRECTMUSICTHRU iface, REFIID riid, LPVOID *ppobj) {
 333         ICOM_THIS_MULTI(IDirectMusicPortImpl, lpThruVtbl, iface);
 334         TRACE("(%p/%p)->(%s, %p)\n", This, iface, debugstr_dmguid(riid), ppobj);
 335         return IUnknown_QueryInterface((IUnknown *)&(This->lpVtbl), riid, ppobj);
 336 }
 337
 338 static ULONG WINAPI IDirectMusicThruImpl_AddRef (LPDIRECTMUSICTHRU iface) {
 339         ICOM_THIS_MULTI(IDirectMusicPortImpl, lpThruVtbl, iface);
 340         TRACE("(%p/%p)->()\n", This, iface);
 341         return IUnknown_AddRef((IUnknown *)&(This->lpVtbl));
 342 }
 343
 344 static ULONG WINAPI IDirectMusicThruImpl_Release (LPDIRECTMUSICTHRU iface) {
 345         ICOM_THIS_MULTI(IDirectMusicPortImpl, lpThruVtbl, iface);
 346         TRACE("(%p/%p)->()\n", This, iface);
 347         return IUnknown_Release((IUnknown *)&(This->lpVtbl));
 348 }
 349
 350 /* IDirectMusicThru Interface follow: */
 351 static HRESULT WINAPI IDirectMusicThruImpl_ThruChannel (LPDIRECTMUSICTHRU iface, DWORD dwSourceChannelGroup, DWORD dwSourceChannel, DWORD dwDestinationChannelGroup, DWORD dwDestinationChannel, LPDIRECTMUSICPORT pDestinationPort) {
 352         ICOM_THIS_MULTI(IDirectMusicPortImpl, lpThruVtbl, iface);
 353         FIXME("(%p/%p)->(%d, %d, %d, %d, %p): stub\n", This, iface, dwSourceChannelGroup, dwSourceChannel, dwDestinationChannelGroup, dwDestinationChannel, pDestinationPort);
 354         return S_OK;
 355 }
 356
 357 static const IDirectMusicThruVtbl DirectMusicThru_Vtbl = {
 358         IDirectMusicThruImpl_QueryInterface,
 359         IDirectMusicThruImpl_AddRef,
 360         IDirectMusicThruImpl_Release,
 361         IDirectMusicThruImpl_ThruChannel
 362 };
 363
 364 HRESULT WINAPI DMUSIC_CreateDirectMusicPortImpl (LPCGUID lpcGUID, LPVOID *ppobj, LPUNKNOWN pUnkOuter, LPDMUS_PORTPARAMS pPortParams, LPDMUS_PORTCAPS pPortCaps) {
 365         IDirectMusicPortImpl *obj;
 366         HRESULT hr = E_FAIL;
 367         UINT j;
 368
 369         TRACE("(%p,%p,%p)\n", lpcGUID, ppobj, pUnkOuter);
 370
 371         obj = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectMusicPortImpl));
 372         if (NULL == obj) {
 373                 *ppobj = NULL;
 374                 return E_OUTOFMEMORY;
 375         }
 376         obj->lpVtbl = &DirectMusicPort_Vtbl;
 377         obj->lpDownloadVtbl = &DirectMusicPortDownload_Vtbl;
 378         obj->lpThruVtbl = &DirectMusicThru_Vtbl;
 379         obj->ref = 0;  /* will be inited by QueryInterface */
 380         obj->fActive = FALSE;
 381         obj->params = *pPortParams;
 382         obj->caps = *pPortCaps;
 383         obj->pDirectSound = NULL;
 384         obj->pLatencyClock = NULL;
 385         hr = DMUSIC_CreateReferenceClockImpl(&IID_IReferenceClock, (LPVOID*)&obj->pLatencyClock, NULL);
 386         if(hr != S_OK)
 387         {
 388                 HeapFree(GetProcessHeap(), 0, obj);
 389                 return hr;
 390         }
 391
 392 if(0)
 393 {
 394         if (pPortParams->dwValidParams & DMUS_PORTPARAMS_CHANNELGROUPS) {
 395           obj->nrofgroups = pPortParams->dwChannelGroups;
 396           /* setting default priorities */
 397           for (j = 0; j < obj->nrofgroups; j++) {
 398             TRACE ("Setting default channel priorities on channel group %i\n", j + 1);
 399             obj->group[j].channel[0].priority = DAUD_CHAN1_DEF_VOICE_PRIORITY;
 400             obj->group[j].channel[1].priority = DAUD_CHAN2_DEF_VOICE_PRIORITY;
 401             obj->group[j].channel[2].priority = DAUD_CHAN3_DEF_VOICE_PRIORITY;
 402             obj->group[j].channel[3].priority = DAUD_CHAN4_DEF_VOICE_PRIORITY;
 403             obj->group[j].channel[4].priority = DAUD_CHAN5_DEF_VOICE_PRIORITY;
 404             obj->group[j].channel[5].priority = DAUD_CHAN6_DEF_VOICE_PRIORITY;
 405             obj->group[j].channel[6].priority = DAUD_CHAN7_DEF_VOICE_PRIORITY;
 406             obj->group[j].channel[7].priority = DAUD_CHAN8_DEF_VOICE_PRIORITY;
 407             obj->group[j].channel[8].priority = DAUD_CHAN9_DEF_VOICE_PRIORITY;
 408             obj->group[j].channel[9].priority = DAUD_CHAN10_DEF_VOICE_PRIORITY;
 409             obj->group[j].channel[10].priority = DAUD_CHAN11_DEF_VOICE_PRIORITY;
 410             obj->group[j].channel[11].priority = DAUD_CHAN12_DEF_VOICE_PRIORITY;
 411             obj->group[j].channel[12].priority = DAUD_CHAN13_DEF_VOICE_PRIORITY;
 412             obj->group[j].channel[13].priority = DAUD_CHAN14_DEF_VOICE_PRIORITY;
 413             obj->group[j].channel[14].priority = DAUD_CHAN15_DEF_VOICE_PRIORITY;
 414             obj->group[j].channel[15].priority = DAUD_CHAN16_DEF_VOICE_PRIORITY;
 415           }
 416         }
 417 }
 418
 419         return IDirectMusicPortImpl_QueryInterface ((LPDIRECTMUSICPORT)obj, lpcGUID, ppobj);
 420 }