- Conversions between variants types of the same size should ignore
[wine/multimedia.git] / dlls / dmstyle / chordtrack.c
blob255e51e974d569db37a770048689f8b4ce37ac65
1 /* IDirectMusicChordTrack Implementation
3 * Copyright (C) 2003-2004 Rok Mandeljc
4 * Copyright (C) 2003-2004 Raphael Junqueira
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU Library General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
21 #include "dmstyle_private.h"
23 WINE_DEFAULT_DEBUG_CHANNEL(dmstyle);
24 WINE_DECLARE_DEBUG_CHANNEL(dmfile);
26 /*****************************************************************************
27 * IDirectMusicChordTrack implementation
29 /* IDirectMusicChordTrack IUnknown part: */
30 HRESULT WINAPI IDirectMusicChordTrack_IUnknown_QueryInterface (LPUNKNOWN iface, REFIID riid, LPVOID *ppobj) {
31 ICOM_THIS_MULTI(IDirectMusicChordTrack, UnknownVtbl, iface);
32 TRACE("(%p, %s, %p)\n", This, debugstr_dmguid(riid), ppobj);
34 if (IsEqualIID (riid, &IID_IUnknown)) {
35 *ppobj = (LPUNKNOWN)&This->UnknownVtbl;
36 IDirectMusicChordTrack_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
37 return S_OK;
38 } else if (IsEqualIID (riid, &IID_IDirectMusicTrack)
39 || IsEqualIID (riid, &IID_IDirectMusicTrack8)) {
40 *ppobj = (LPDIRECTMUSICTRACK8)&This->TrackVtbl;
41 IDirectMusicChordTrack_IDirectMusicTrack_AddRef ((LPDIRECTMUSICTRACK8)&This->TrackVtbl);
42 return S_OK;
43 } else if (IsEqualIID (riid, &IID_IPersistStream)) {
44 *ppobj = (LPPERSISTSTREAM)&This->PersistStreamVtbl;
45 IDirectMusicChordTrack_IPersistStream_AddRef ((LPPERSISTSTREAM)&This->PersistStreamVtbl);
46 return S_OK;
49 WARN("(%p, %s, %p): not found\n", This, debugstr_dmguid(riid), ppobj);
50 return E_NOINTERFACE;
53 ULONG WINAPI IDirectMusicChordTrack_IUnknown_AddRef (LPUNKNOWN iface) {
54 ICOM_THIS_MULTI(IDirectMusicChordTrack, UnknownVtbl, iface);
55 ULONG ref = InterlockedIncrement(&This->ref);
57 TRACE("(%p): AddRef from %ld\n", This, ref - 1);
59 DMSTYLE_LockModule();
61 return ref;
64 ULONG WINAPI IDirectMusicChordTrack_IUnknown_Release (LPUNKNOWN iface) {
65 ICOM_THIS_MULTI(IDirectMusicChordTrack, UnknownVtbl, iface);
66 ULONG ref = InterlockedDecrement(&This->ref);
68 TRACE("(%p): ReleaseRef to %ld\n", This, ref);
70 if (ref == 0) {
71 HeapFree(GetProcessHeap(), 0, This);
74 DMSTYLE_UnlockModule();
76 return ref;
79 static const IUnknownVtbl DirectMusicChordTrack_Unknown_Vtbl = {
80 IDirectMusicChordTrack_IUnknown_QueryInterface,
81 IDirectMusicChordTrack_IUnknown_AddRef,
82 IDirectMusicChordTrack_IUnknown_Release
85 /* IDirectMusicChordTrack IDirectMusicTrack8 part: */
86 HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_QueryInterface (LPDIRECTMUSICTRACK8 iface, REFIID riid, LPVOID *ppobj) {
87 ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
88 return IDirectMusicChordTrack_IUnknown_QueryInterface ((LPUNKNOWN)&This->UnknownVtbl, riid, ppobj);
91 ULONG WINAPI IDirectMusicChordTrack_IDirectMusicTrack_AddRef (LPDIRECTMUSICTRACK8 iface) {
92 ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
93 return IDirectMusicChordTrack_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
96 ULONG WINAPI IDirectMusicChordTrack_IDirectMusicTrack_Release (LPDIRECTMUSICTRACK8 iface) {
97 ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
98 return IDirectMusicChordTrack_IUnknown_Release ((LPUNKNOWN)&This->UnknownVtbl);
101 HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_Init (LPDIRECTMUSICTRACK8 iface, IDirectMusicSegment* pSegment) {
102 ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
103 FIXME("(%p, %p): stub\n", This, pSegment);
104 return S_OK;
107 HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_InitPlay (LPDIRECTMUSICTRACK8 iface, IDirectMusicSegmentState* pSegmentState, IDirectMusicPerformance* pPerformance, void** ppStateData, DWORD dwVirtualTrack8ID, DWORD dwFlags)
109 ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
110 FIXME("(%p, %p, %p, %p, %ld, %ld): stub\n", This, pSegmentState, pPerformance, ppStateData, dwVirtualTrack8ID, dwFlags);
111 return S_OK;
114 HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_EndPlay (LPDIRECTMUSICTRACK8 iface, void* pStateData)
116 ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
117 FIXME("(%p, %p): stub\n", This, pStateData);
118 return S_OK;
121 HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_Play (LPDIRECTMUSICTRACK8 iface, void* pStateData, MUSIC_TIME mtStart, MUSIC_TIME mtEnd, MUSIC_TIME mtOffset, DWORD dwFlags, IDirectMusicPerformance* pPerf, IDirectMusicSegmentState* pSegSt, DWORD dwVirtualID)
123 ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
124 FIXME("(%p, %p, %ld, %ld, %ld, %ld, %p, %p, %ld): stub\n", This, pStateData, mtStart, mtEnd, mtOffset, dwFlags, pPerf, pSegSt, dwVirtualID);
125 return S_OK;
128 HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_GetParam (LPDIRECTMUSICTRACK8 iface, REFGUID rguidType, MUSIC_TIME mtTime, MUSIC_TIME* pmtNext, void* pParam) {
129 ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
130 FIXME("(%p, %s, %ld, %p, %p): stub\n", This, debugstr_dmguid(rguidType), mtTime, pmtNext, pParam);
131 return S_OK;
134 HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_SetParam (LPDIRECTMUSICTRACK8 iface, REFGUID rguidType, MUSIC_TIME mtTime, void* pParam) {
135 ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
136 FIXME("(%p, %s, %ld, %p): stub\n", This, debugstr_dmguid(rguidType), mtTime, pParam);
137 return S_OK;
140 HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_IsParamSupported (LPDIRECTMUSICTRACK8 iface, REFGUID rguidType) {
141 ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
143 TRACE("(%p, %s): ", This, debugstr_dmguid(rguidType));
144 if (IsEqualGUID (rguidType, &GUID_BandParam)
145 || IsEqualGUID (rguidType, &GUID_ChordParam)
146 || IsEqualGUID (rguidType, &GUID_RhythmParam)) {
147 TRACE("param supported\n");
148 return S_OK;
150 TRACE("param unsupported\n");
151 return DMUS_E_TYPE_UNSUPPORTED;
154 HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_AddNotificationType (LPDIRECTMUSICTRACK8 iface, REFGUID rguidNotificationType) {
155 ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
156 FIXME("(%p, %s): stub\n", This, debugstr_dmguid(rguidNotificationType));
157 return S_OK;
160 HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_RemoveNotificationType (LPDIRECTMUSICTRACK8 iface, REFGUID rguidNotificationType) {
161 ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
162 FIXME("(%p, %s): stub\n", This, debugstr_dmguid(rguidNotificationType));
163 return S_OK;
166 HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_Clone (LPDIRECTMUSICTRACK8 iface, MUSIC_TIME mtStart, MUSIC_TIME mtEnd, IDirectMusicTrack** ppTrack) {
167 ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
168 FIXME("(%p, %ld, %ld, %p): stub\n", This, mtStart, mtEnd, ppTrack);
169 return S_OK;
172 HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_PlayEx (LPDIRECTMUSICTRACK8 iface, void* pStateData, REFERENCE_TIME rtStart, REFERENCE_TIME rtEnd, REFERENCE_TIME rtOffset, DWORD dwFlags, IDirectMusicPerformance* pPerf, IDirectMusicSegmentState* pSegSt, DWORD dwVirtualID) {
173 ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
174 FIXME("(%p, %p, %lli, %lli, %lli, %ld, %p, %p, %ld): stub\n", This, pStateData, rtStart, rtEnd, rtOffset, dwFlags, pPerf, pSegSt, dwVirtualID);
175 return S_OK;
178 HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_GetParamEx (LPDIRECTMUSICTRACK8 iface, REFGUID rguidType, REFERENCE_TIME rtTime, REFERENCE_TIME* prtNext, void* pParam, void* pStateData, DWORD dwFlags) {
179 ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
180 FIXME("(%p, %s, %lli, %p, %p, %p, %ld): stub\n", This, debugstr_dmguid(rguidType), rtTime, prtNext, pParam, pStateData, dwFlags);
181 return S_OK;
184 HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_SetParamEx (LPDIRECTMUSICTRACK8 iface, REFGUID rguidType, REFERENCE_TIME rtTime, void* pParam, void* pStateData, DWORD dwFlags) {
185 ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
186 FIXME("(%p, %s, %lli, %p, %p, %ld): stub\n", This, debugstr_dmguid(rguidType), rtTime, pParam, pStateData, dwFlags);
187 return S_OK;
190 HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_Compose (LPDIRECTMUSICTRACK8 iface, IUnknown* pContext, DWORD dwTrackGroup, IDirectMusicTrack** ppResultTrack) {
191 ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
192 FIXME("(%p, %p, %ld, %p): stub\n", This, pContext, dwTrackGroup, ppResultTrack);
193 return S_OK;
196 HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_Join (LPDIRECTMUSICTRACK8 iface, IDirectMusicTrack* pNewTrack, MUSIC_TIME mtJoin, IUnknown* pContext, DWORD dwTrackGroup, IDirectMusicTrack** ppResultTrack) {
197 ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
198 FIXME("(%p, %p, %ld, %p, %ld, %p): stub\n", This, pNewTrack, mtJoin, pContext, dwTrackGroup, ppResultTrack);
199 return S_OK;
202 static const IDirectMusicTrack8Vtbl DirectMusicChordTrack_Track_Vtbl = {
203 IDirectMusicChordTrack_IDirectMusicTrack_QueryInterface,
204 IDirectMusicChordTrack_IDirectMusicTrack_AddRef,
205 IDirectMusicChordTrack_IDirectMusicTrack_Release,
206 IDirectMusicChordTrack_IDirectMusicTrack_Init,
207 IDirectMusicChordTrack_IDirectMusicTrack_InitPlay,
208 IDirectMusicChordTrack_IDirectMusicTrack_EndPlay,
209 IDirectMusicChordTrack_IDirectMusicTrack_Play,
210 IDirectMusicChordTrack_IDirectMusicTrack_GetParam,
211 IDirectMusicChordTrack_IDirectMusicTrack_SetParam,
212 IDirectMusicChordTrack_IDirectMusicTrack_IsParamSupported,
213 IDirectMusicChordTrack_IDirectMusicTrack_AddNotificationType,
214 IDirectMusicChordTrack_IDirectMusicTrack_RemoveNotificationType,
215 IDirectMusicChordTrack_IDirectMusicTrack_Clone,
216 IDirectMusicChordTrack_IDirectMusicTrack_PlayEx,
217 IDirectMusicChordTrack_IDirectMusicTrack_GetParamEx,
218 IDirectMusicChordTrack_IDirectMusicTrack_SetParamEx,
219 IDirectMusicChordTrack_IDirectMusicTrack_Compose,
220 IDirectMusicChordTrack_IDirectMusicTrack_Join
223 /* IDirectMusicChordTrack IPersistStream part: */
224 HRESULT WINAPI IDirectMusicChordTrack_IPersistStream_QueryInterface (LPPERSISTSTREAM iface, REFIID riid, LPVOID *ppobj) {
225 ICOM_THIS_MULTI(IDirectMusicChordTrack, PersistStreamVtbl, iface);
226 return IDirectMusicChordTrack_IUnknown_QueryInterface ((LPUNKNOWN)&This->UnknownVtbl, riid, ppobj);
229 ULONG WINAPI IDirectMusicChordTrack_IPersistStream_AddRef (LPPERSISTSTREAM iface) {
230 ICOM_THIS_MULTI(IDirectMusicChordTrack, PersistStreamVtbl, iface);
231 return IDirectMusicChordTrack_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
234 ULONG WINAPI IDirectMusicChordTrack_IPersistStream_Release (LPPERSISTSTREAM iface) {
235 ICOM_THIS_MULTI(IDirectMusicChordTrack, PersistStreamVtbl, iface);
236 return IDirectMusicChordTrack_IUnknown_Release ((LPUNKNOWN)&This->UnknownVtbl);
239 HRESULT WINAPI IDirectMusicChordTrack_IPersistStream_GetClassID (LPPERSISTSTREAM iface, CLSID* pClassID) {
240 ICOM_THIS_MULTI(IDirectMusicChordTrack, PersistStreamVtbl, iface);
241 TRACE("(%p, %p)\n", This, pClassID);
242 memcpy(pClassID, &CLSID_DirectMusicChordTrack, sizeof(CLSID));
243 return S_OK;
246 HRESULT WINAPI IDirectMusicChordTrack_IPersistStream_IsDirty (LPPERSISTSTREAM iface) {
247 ICOM_THIS_MULTI(IDirectMusicChordTrack, PersistStreamVtbl, iface);
248 FIXME("(%p): stub, always S_FALSE\n", This);
249 return S_FALSE;
252 static HRESULT IDirectMusicChordTrack_IPersistStream_ParseChordTrackList (LPPERSISTSTREAM iface, DMUS_PRIVATE_CHUNK* pChunk, IStream* pStm) {
254 ICOM_THIS_MULTI(IDirectMusicChordTrack, PersistStreamVtbl, iface);
255 DMUS_PRIVATE_CHUNK Chunk;
256 DWORD ListSize[3], ListCount[3];
257 LARGE_INTEGER liMove; /* used when skipping chunks */
259 if (pChunk->fccID != DMUS_FOURCC_CHORDTRACK_LIST) {
260 ERR_(dmfile)(": %s chunk should be a CHORDTRACK list\n", debugstr_fourcc (pChunk->fccID));
261 return E_FAIL;
264 ListSize[0] = pChunk->dwSize - sizeof(FOURCC);
265 ListCount[0] = 0;
267 do {
268 IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
269 ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
270 TRACE_(dmfile)(": %s chunk (size = %ld)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
271 switch (Chunk.fccID) {
272 case DMUS_FOURCC_CHORDTRACKHEADER_CHUNK: {
273 TRACE_(dmfile)(": Chord track header chunk\n");
274 IStream_Read (pStm, &This->dwScale, sizeof(DWORD), NULL);
275 TRACE_(dmfile)(" - dwScale: %ld\n", This->dwScale);
276 break;
278 case DMUS_FOURCC_CHORDTRACKBODY_CHUNK: {
279 DWORD sz;
280 DWORD it;
281 DWORD num;
282 DMUS_IO_CHORD body;
283 DMUS_IO_SUBCHORD subchords;
285 TRACE_(dmfile)(": Chord track body chunk\n");
287 IStream_Read (pStm, &sz, sizeof(DWORD), NULL);
288 TRACE_(dmfile)(" - sizeof(DMUS_IO_CHORD): %ld\n", sz);
289 if (sz != sizeof(DMUS_IO_CHORD)) return E_FAIL;
290 IStream_Read (pStm, &body, sizeof(DMUS_IO_CHORD), NULL);
291 TRACE_(dmfile)(" - wszName: %s\n", debugstr_w(body.wszName));
292 TRACE_(dmfile)(" - mtTime: %lu\n", body.mtTime);
293 TRACE_(dmfile)(" - wMeasure: %u\n", body.wMeasure);
294 TRACE_(dmfile)(" - bBeat: %u\n", body.bBeat);
295 TRACE_(dmfile)(" - bFlags: 0x%02x\n", body.bFlags);
297 IStream_Read (pStm, &num, sizeof(DWORD), NULL);
298 TRACE_(dmfile)(" - # DMUS_IO_SUBCHORDS: %ld\n", num);
299 IStream_Read (pStm, &sz, sizeof(DWORD), NULL);
300 TRACE_(dmfile)(" - sizeof(DMUS_IO_SUBCHORDS): %ld\n", sz);
301 if (sz != sizeof(DMUS_IO_SUBCHORD)) return E_FAIL;
303 for (it = 0; it < num; ++it) {
304 IStream_Read (pStm, &subchords, sizeof(DMUS_IO_SUBCHORD), NULL);
305 TRACE_(dmfile)("DMUS_IO_SUBCHORD #%ld\n", it+1);
306 TRACE_(dmfile)(" - dwChordPattern: %lu\n", subchords.dwChordPattern);
307 TRACE_(dmfile)(" - dwScalePattern: %lu\n", subchords.dwScalePattern);
308 TRACE_(dmfile)(" - dwInversionPoints: %lu\n", subchords.dwInversionPoints);
309 TRACE_(dmfile)(" - dwLevels: %lu\n", subchords.dwLevels);
310 TRACE_(dmfile)(" - bChordRoot: %u\n", subchords.bChordRoot);
311 TRACE_(dmfile)(" - bScaleRoot: %u\n", subchords.bScaleRoot);
313 break;
315 default: {
316 TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
317 liMove.QuadPart = Chunk.dwSize;
318 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
319 break;
322 TRACE_(dmfile)(": ListCount[0] = %ld < ListSize[0] = %ld\n", ListCount[0], ListSize[0]);
323 } while (ListCount[0] < ListSize[0]);
325 return S_OK;
328 HRESULT WINAPI IDirectMusicChordTrack_IPersistStream_Load (LPPERSISTSTREAM iface, IStream* pStm) {
329 ICOM_THIS_MULTI(IDirectMusicChordTrack, PersistStreamVtbl, iface);
331 DMUS_PRIVATE_CHUNK Chunk;
332 LARGE_INTEGER liMove;
333 HRESULT hr;
335 TRACE("(%p, %p): Loading\n", This, pStm);
337 IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
338 TRACE_(dmfile)(": %s chunk (size = %ld)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
339 switch (Chunk.fccID) {
340 case FOURCC_LIST: {
341 IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
342 TRACE_(dmfile)(": %s chunk (size = %ld)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
343 switch (Chunk.fccID) {
344 case DMUS_FOURCC_CHORDTRACK_LIST: {
345 TRACE_(dmfile)(": Chord track list\n");
346 hr = IDirectMusicChordTrack_IPersistStream_ParseChordTrackList (iface, &Chunk, pStm);
347 if (FAILED(hr)) return hr;
348 break;
350 default: {
351 TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
352 liMove.QuadPart = Chunk.dwSize;
353 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
354 return E_FAIL;
357 TRACE_(dmfile)(": reading finished\n");
358 break;
360 default: {
361 TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
362 liMove.QuadPart = Chunk.dwSize;
363 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
364 return E_FAIL;
368 return S_OK;
371 HRESULT WINAPI IDirectMusicChordTrack_IPersistStream_Save (LPPERSISTSTREAM iface, IStream* pStm, BOOL fClearDirty) {
372 ICOM_THIS_MULTI(IDirectMusicChordTrack, PersistStreamVtbl, iface);
373 FIXME("(%p): Saving not implemented yet\n", This);
374 return E_NOTIMPL;
377 HRESULT WINAPI IDirectMusicChordTrack_IPersistStream_GetSizeMax (LPPERSISTSTREAM iface, ULARGE_INTEGER* pcbSize) {
378 ICOM_THIS_MULTI(IDirectMusicChordTrack, PersistStreamVtbl, iface);
379 FIXME("(%p, %p): stub\n", This, pcbSize);
380 return E_NOTIMPL;
383 static const IPersistStreamVtbl DirectMusicChordTrack_PersistStream_Vtbl = {
384 IDirectMusicChordTrack_IPersistStream_QueryInterface,
385 IDirectMusicChordTrack_IPersistStream_AddRef,
386 IDirectMusicChordTrack_IPersistStream_Release,
387 IDirectMusicChordTrack_IPersistStream_GetClassID,
388 IDirectMusicChordTrack_IPersistStream_IsDirty,
389 IDirectMusicChordTrack_IPersistStream_Load,
390 IDirectMusicChordTrack_IPersistStream_Save,
391 IDirectMusicChordTrack_IPersistStream_GetSizeMax
394 /* for ClassFactory */
395 HRESULT WINAPI DMUSIC_CreateDirectMusicChordTrack (LPCGUID lpcGUID, LPVOID *ppobj, LPUNKNOWN pUnkOuter) {
396 IDirectMusicChordTrack* track;
398 track = HeapAlloc (GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectMusicChordTrack));
399 if (NULL == track) {
400 *ppobj = NULL;
401 return E_OUTOFMEMORY;
403 track->UnknownVtbl = &DirectMusicChordTrack_Unknown_Vtbl;
404 track->TrackVtbl = &DirectMusicChordTrack_Track_Vtbl;
405 track->PersistStreamVtbl = &DirectMusicChordTrack_PersistStream_Vtbl;
406 track->pDesc = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(DMUS_OBJECTDESC));
407 DM_STRUCT_INIT(track->pDesc);
408 track->pDesc->dwValidData |= DMUS_OBJ_CLASS;
409 memcpy (&track->pDesc->guidClass, &CLSID_DirectMusicChordTrack, sizeof (CLSID));
410 track->ref = 0; /* will be inited by QueryInterface */
412 return IDirectMusicChordTrack_IUnknown_QueryInterface ((LPUNKNOWN)&track->UnknownVtbl, lpcGUID, ppobj);