dlls/dmusic/dmobject.c

   1 /*
   2  * Base IDirectMusicObject Implementation
   3  * Keep in sync with the master in dlls/dmusic/dmobject.c
   4  *
   5  * Copyright (C) 2003-2004 Rok Mandeljc
   6  * Copyright (C) 2014 Michael Stefaniuc
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2.1 of the License, or (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  21  */
  22
  23 #define COBJMACROS
  24 #include <assert.h>
  25 #include "objbase.h"
  26 #include "dmusici.h"
  27 #include "dmusicf.h"
  28 #include "dmusics.h"
  29 #include "dmobject.h"
  30 #include "wine/debug.h"
  31 #include "wine/heap.h"
  32
  33 WINE_DEFAULT_DEBUG_CHANNEL(dmobj);
  34 WINE_DECLARE_DEBUG_CHANNEL(dmfile);
  35
  36 /* Debugging helpers */
  37 const char *debugstr_dmguid(const GUID *id) {
  38     unsigned int i;
  39 #define X(guid) { &guid, #guid }
  40     static const struct {
  41         const GUID *guid;
  42         const char *name;
  43     } guids[] = {
  44         /* CLSIDs */
  45         X(CLSID_AudioVBScript),
  46         X(CLSID_DirectMusic),
  47         X(CLSID_DirectMusicAudioPathConfig),
  48         X(CLSID_DirectMusicAuditionTrack),
  49         X(CLSID_DirectMusicBand),
  50         X(CLSID_DirectMusicBandTrack),
  51         X(CLSID_DirectMusicChordMapTrack),
  52         X(CLSID_DirectMusicChordMap),
  53         X(CLSID_DirectMusicChordTrack),
  54         X(CLSID_DirectMusicCollection),
  55         X(CLSID_DirectMusicCommandTrack),
  56         X(CLSID_DirectMusicComposer),
  57         X(CLSID_DirectMusicContainer),
  58         X(CLSID_DirectMusicGraph),
  59         X(CLSID_DirectMusicLoader),
  60         X(CLSID_DirectMusicLyricsTrack),
  61         X(CLSID_DirectMusicMarkerTrack),
  62         X(CLSID_DirectMusicMelodyFormulationTrack),
  63         X(CLSID_DirectMusicMotifTrack),
  64         X(CLSID_DirectMusicMuteTrack),
  65         X(CLSID_DirectMusicParamControlTrack),
  66         X(CLSID_DirectMusicPatternTrack),
  67         X(CLSID_DirectMusicPerformance),
  68         X(CLSID_DirectMusicScript),
  69         X(CLSID_DirectMusicScriptAutoImpSegment),
  70         X(CLSID_DirectMusicScriptAutoImpPerformance),
  71         X(CLSID_DirectMusicScriptAutoImpSegmentState),
  72         X(CLSID_DirectMusicScriptAutoImpAudioPathConfig),
  73         X(CLSID_DirectMusicScriptAutoImpAudioPath),
  74         X(CLSID_DirectMusicScriptAutoImpSong),
  75         X(CLSID_DirectMusicScriptSourceCodeLoader),
  76         X(CLSID_DirectMusicScriptTrack),
  77         X(CLSID_DirectMusicSection),
  78         X(CLSID_DirectMusicSegment),
  79         X(CLSID_DirectMusicSegmentState),
  80         X(CLSID_DirectMusicSegmentTriggerTrack),
  81         X(CLSID_DirectMusicSegTriggerTrack),
  82         X(CLSID_DirectMusicSeqTrack),
  83         X(CLSID_DirectMusicSignPostTrack),
  84         X(CLSID_DirectMusicSong),
  85         X(CLSID_DirectMusicStyle),
  86         X(CLSID_DirectMusicStyleTrack),
  87         X(CLSID_DirectMusicSynth),
  88         X(CLSID_DirectMusicSynthSink),
  89         X(CLSID_DirectMusicSysExTrack),
  90         X(CLSID_DirectMusicTemplate),
  91         X(CLSID_DirectMusicTempoTrack),
  92         X(CLSID_DirectMusicTimeSigTrack),
  93         X(CLSID_DirectMusicWaveTrack),
  94         X(CLSID_DirectSoundWave),
  95         /* IIDs */
  96         X(IID_IDirectMusic),
  97         X(IID_IDirectMusic2),
  98         X(IID_IDirectMusic8),
  99         X(IID_IDirectMusicAudioPath),
 100         X(IID_IDirectMusicBand),
 101         X(IID_IDirectMusicBuffer),
 102         X(IID_IDirectMusicChordMap),
 103         X(IID_IDirectMusicCollection),
 104         X(IID_IDirectMusicComposer),
 105         X(IID_IDirectMusicContainer),
 106         X(IID_IDirectMusicDownload),
 107         X(IID_IDirectMusicDownloadedInstrument),
 108         X(IID_IDirectMusicGetLoader),
 109         X(IID_IDirectMusicGraph),
 110         X(IID_IDirectMusicInstrument),
 111         X(IID_IDirectMusicLoader),
 112         X(IID_IDirectMusicLoader8),
 113         X(IID_IDirectMusicObject),
 114         X(IID_IDirectMusicPatternTrack),
 115         X(IID_IDirectMusicPerformance),
 116         X(IID_IDirectMusicPerformance2),
 117         X(IID_IDirectMusicPerformance8),
 118         X(IID_IDirectMusicPort),
 119         X(IID_IDirectMusicPortDownload),
 120         X(IID_IDirectMusicScript),
 121         X(IID_IDirectMusicSegment),
 122         X(IID_IDirectMusicSegment2),
 123         X(IID_IDirectMusicSegment8),
 124         X(IID_IDirectMusicSegmentState),
 125         X(IID_IDirectMusicSegmentState8),
 126         X(IID_IDirectMusicStyle),
 127         X(IID_IDirectMusicStyle8),
 128         X(IID_IDirectMusicSynth),
 129         X(IID_IDirectMusicSynth8),
 130         X(IID_IDirectMusicSynthSink),
 131         X(IID_IDirectMusicThru),
 132         X(IID_IDirectMusicTool),
 133         X(IID_IDirectMusicTool8),
 134         X(IID_IDirectMusicTrack),
 135         X(IID_IDirectMusicTrack8),
 136         X(IID_IUnknown),
 137         X(IID_IPersistStream),
 138         X(IID_IStream),
 139         X(IID_IClassFactory),
 140         /* GUIDs */
 141         X(GUID_DirectMusicAllTypes),
 142         X(GUID_NOTIFICATION_CHORD),
 143         X(GUID_NOTIFICATION_COMMAND),
 144         X(GUID_NOTIFICATION_MEASUREANDBEAT),
 145         X(GUID_NOTIFICATION_PERFORMANCE),
 146         X(GUID_NOTIFICATION_RECOMPOSE),
 147         X(GUID_NOTIFICATION_SEGMENT),
 148         X(GUID_BandParam),
 149         X(GUID_ChordParam),
 150         X(GUID_CommandParam),
 151         X(GUID_CommandParam2),
 152         X(GUID_CommandParamNext),
 153         X(GUID_IDirectMusicBand),
 154         X(GUID_IDirectMusicChordMap),
 155         X(GUID_IDirectMusicStyle),
 156         X(GUID_MuteParam),
 157         X(GUID_Play_Marker),
 158         X(GUID_RhythmParam),
 159         X(GUID_TempoParam),
 160         X(GUID_TimeSignature),
 161         X(GUID_Valid_Start_Time),
 162         X(GUID_Clear_All_Bands),
 163         X(GUID_ConnectToDLSCollection),
 164         X(GUID_Disable_Auto_Download),
 165         X(GUID_DisableTempo),
 166         X(GUID_DisableTimeSig),
 167         X(GUID_Download),
 168         X(GUID_DownloadToAudioPath),
 169         X(GUID_Enable_Auto_Download),
 170         X(GUID_EnableTempo),
 171         X(GUID_EnableTimeSig),
 172         X(GUID_IgnoreBankSelectForGM),
 173         X(GUID_SeedVariations),
 174         X(GUID_StandardMIDIFile),
 175         X(GUID_Unload),
 176         X(GUID_UnloadFromAudioPath),
 177         X(GUID_Variations),
 178         X(GUID_PerfMasterTempo),
 179         X(GUID_PerfMasterVolume),
 180         X(GUID_PerfMasterGrooveLevel),
 181         X(GUID_PerfAutoDownload),
 182         X(GUID_DefaultGMCollection),
 183         X(GUID_Synth_Default),
 184         X(GUID_Buffer_Reverb),
 185         X(GUID_Buffer_EnvReverb),
 186         X(GUID_Buffer_Stereo),
 187         X(GUID_Buffer_3D_Dry),
 188         X(GUID_Buffer_Mono),
 189         X(GUID_DMUS_PROP_GM_Hardware),
 190         X(GUID_DMUS_PROP_GS_Capable),
 191         X(GUID_DMUS_PROP_GS_Hardware),
 192         X(GUID_DMUS_PROP_DLS1),
 193         X(GUID_DMUS_PROP_DLS2),
 194         X(GUID_DMUS_PROP_Effects),
 195         X(GUID_DMUS_PROP_INSTRUMENT2),
 196         X(GUID_DMUS_PROP_LegacyCaps),
 197         X(GUID_DMUS_PROP_MemorySize),
 198         X(GUID_DMUS_PROP_SampleMemorySize),
 199         X(GUID_DMUS_PROP_SamplePlaybackRate),
 200         X(GUID_DMUS_PROP_SetSynthSink),
 201         X(GUID_DMUS_PROP_SinkUsesDSound),
 202         X(GUID_DMUS_PROP_SynthSink_DSOUND),
 203         X(GUID_DMUS_PROP_SynthSink_WAVE),
 204         X(GUID_DMUS_PROP_Volume),
 205         X(GUID_DMUS_PROP_WavesReverb),
 206         X(GUID_DMUS_PROP_WriteLatency),
 207         X(GUID_DMUS_PROP_WritePeriod),
 208         X(GUID_DMUS_PROP_XG_Capable),
 209         X(GUID_DMUS_PROP_XG_Hardware)
 210     };
 211 #undef X
 212
 213     if (!id)
 214         return "(null)";
 215
 216     for (i = 0; i < ARRAY_SIZE(guids); i++)
 217         if (IsEqualGUID(id, guids[i].guid))
 218             return guids[i].name;
 219
 220     return debugstr_guid(id);
 221 }
 222
 223 void dump_DMUS_OBJECTDESC(DMUS_OBJECTDESC *desc)
 224 {
 225     if (!desc || !TRACE_ON(dmfile))
 226         return;
 227
 228     TRACE_(dmfile)("DMUS_OBJECTDESC (%p):", desc);
 229     TRACE_(dmfile)(" - dwSize = %u\n", desc->dwSize);
 230
 231 #define X(flag) if (desc->dwValidData & flag) TRACE_(dmfile)(#flag " ")
 232     TRACE_(dmfile)(" - dwValidData = %#08x ( ", desc->dwValidData);
 233     X(DMUS_OBJ_OBJECT);
 234     X(DMUS_OBJ_CLASS);
 235     X(DMUS_OBJ_NAME);
 236     X(DMUS_OBJ_CATEGORY);
 237     X(DMUS_OBJ_FILENAME);
 238     X(DMUS_OBJ_FULLPATH);
 239     X(DMUS_OBJ_URL);
 240     X(DMUS_OBJ_VERSION);
 241     X(DMUS_OBJ_DATE);
 242     X(DMUS_OBJ_LOADED);
 243     X(DMUS_OBJ_MEMORY);
 244     X(DMUS_OBJ_STREAM);
 245     TRACE_(dmfile)(")\n");
 246 #undef X
 247
 248     if (desc->dwValidData & DMUS_OBJ_CLASS)
 249         TRACE_(dmfile)(" - guidClass = %s\n", debugstr_dmguid(&desc->guidClass));
 250     if (desc->dwValidData & DMUS_OBJ_OBJECT)
 251         TRACE_(dmfile)(" - guidObject = %s\n", debugstr_guid(&desc->guidObject));
 252
 253     if (desc->dwValidData & DMUS_OBJ_DATE) {
 254         SYSTEMTIME time;
 255         FileTimeToSystemTime(&desc->ftDate, &time);
 256         TRACE_(dmfile)(" - ftDate = \'%04u-%02u-%02u %02u:%02u:%02u\'\n",
 257                 time.wYear, time.wMonth, time.wDay, time.wHour, time.wMinute, time.wSecond);
 258     }
 259     if (desc->dwValidData & DMUS_OBJ_VERSION)
 260         TRACE_(dmfile)(" - vVersion = \'%u,%u,%u,%u\'\n",
 261                 HIWORD(desc->vVersion.dwVersionMS), LOWORD(desc->vVersion.dwVersionMS),
 262                 HIWORD(desc->vVersion.dwVersionLS), LOWORD(desc->vVersion.dwVersionLS));
 263     if (desc->dwValidData & DMUS_OBJ_NAME)
 264         TRACE_(dmfile)(" - wszName = %s\n", debugstr_w(desc->wszName));
 265     if (desc->dwValidData & DMUS_OBJ_CATEGORY)
 266         TRACE_(dmfile)(" - wszCategory = %s\n", debugstr_w(desc->wszCategory));
 267     if (desc->dwValidData & DMUS_OBJ_FILENAME)
 268         TRACE_(dmfile)(" - wszFileName = %s\n", debugstr_w(desc->wszFileName));
 269     if (desc->dwValidData & DMUS_OBJ_MEMORY)
 270         TRACE_(dmfile)(" - llMemLength = 0x%s - pbMemData = %p\n",
 271                 wine_dbgstr_longlong(desc->llMemLength), desc->pbMemData);
 272     if (desc->dwValidData & DMUS_OBJ_STREAM)
 273         TRACE_(dmfile)(" - pStream = %p\n", desc->pStream);
 274 }
 275
 276
 277 /* RIFF format parsing */
 278 #define CHUNK_HDR_SIZE (sizeof(FOURCC) + sizeof(DWORD))
 279
 280 const char *debugstr_chunk(const struct chunk_entry *chunk)
 281 {
 282     const char *type = "";
 283
 284     if (!chunk)
 285         return "(null)";
 286     if (chunk->id == FOURCC_RIFF || chunk->id == FOURCC_LIST)
 287         type = wine_dbg_sprintf("type %s, ", debugstr_fourcc(chunk->type));
 288     return wine_dbg_sprintf("%s chunk, %ssize %u", debugstr_fourcc(chunk->id), type, chunk->size);
 289 }
 290
 291 static HRESULT stream_read(IStream *stream, void *data, ULONG size)
 292 {
 293     ULONG read;
 294     HRESULT hr;
 295
 296     hr = IStream_Read(stream, data, size, &read);
 297     if (FAILED(hr))
 298         TRACE_(dmfile)("IStream_Read failed: %08x\n", hr);
 299     else if (!read && read < size) {
 300         /* All or nothing: Handle a partial read due to end of stream as an error */
 301         TRACE_(dmfile)("Short read: %u < %u\n", read, size);
 302         return E_FAIL;
 303     }
 304
 305     return hr;
 306 }
 307
 308 HRESULT stream_get_chunk(IStream *stream, struct chunk_entry *chunk)
 309 {
 310     static const LARGE_INTEGER zero;
 311     ULONGLONG ck_end = 0, p_end = 0;
 312     HRESULT hr;
 313
 314     hr = IStream_Seek(stream, zero, STREAM_SEEK_CUR, &chunk->offset);
 315     if (FAILED(hr))
 316         return hr;
 317     assert(!(chunk->offset.QuadPart & 1));
 318     if (chunk->parent) {
 319         p_end = chunk->parent->offset.QuadPart + CHUNK_HDR_SIZE + ((chunk->parent->size + 1) & ~1);
 320         if (chunk->offset.QuadPart == p_end)
 321             return S_FALSE;
 322         ck_end = chunk->offset.QuadPart + CHUNK_HDR_SIZE;
 323         if (ck_end > p_end) {
 324             WARN_(dmfile)("No space for sub-chunk header in parent chunk: ends at offset %s > %s\n",
 325                     wine_dbgstr_longlong(ck_end), wine_dbgstr_longlong(p_end));
 326             return E_FAIL;
 327         }
 328     }
 329
 330     hr = stream_read(stream, chunk, CHUNK_HDR_SIZE);
 331     if (hr != S_OK)
 332         return hr;
 333     if (chunk->parent) {
 334         ck_end += (chunk->size + 1) & ~1;
 335         if (ck_end > p_end) {
 336             WARN_(dmfile)("No space for sub-chunk data in parent chunk: ends at offset %s > %s\n",
 337                     wine_dbgstr_longlong(ck_end), wine_dbgstr_longlong(p_end));
 338             return E_FAIL;
 339         }
 340     }
 341
 342     if (chunk->id == FOURCC_LIST || chunk->id == FOURCC_RIFF) {
 343         hr = stream_read(stream, &chunk->type, sizeof(FOURCC));
 344         if (hr != S_OK)
 345             return hr != S_FALSE ? hr : E_FAIL;
 346     }
 347
 348     TRACE_(dmfile)("Returning %s\n", debugstr_chunk(chunk));
 349
 350     return S_OK;
 351 }
 352
 353 HRESULT stream_skip_chunk(IStream *stream, const struct chunk_entry *chunk)
 354 {
 355     LARGE_INTEGER end;
 356
 357     end.QuadPart = (chunk->offset.QuadPart + CHUNK_HDR_SIZE + chunk->size + 1) & ~(ULONGLONG)1;
 358
 359     return IStream_Seek(stream, end, STREAM_SEEK_SET, NULL);
 360 }
 361
 362 HRESULT stream_next_chunk(IStream *stream, struct chunk_entry *chunk)
 363 {
 364     HRESULT hr;
 365
 366     if (chunk->id) {
 367         hr = stream_skip_chunk(stream, chunk);
 368         if (FAILED(hr))
 369             return hr;
 370     }
 371
 372     return stream_get_chunk(stream, chunk);
 373 }
 374
 375 /* Reads chunk data of the form:
 376    DWORD     - size of array element
 377    element[] - Array of elements
 378    The caller needs to heap_free() the array.
 379 */
 380 HRESULT stream_chunk_get_array(IStream *stream, const struct chunk_entry *chunk, void **array,
 381         unsigned int *count, DWORD elem_size)
 382 {
 383     DWORD size;
 384     HRESULT hr;
 385
 386     *array = NULL;
 387     *count = 0;
 388
 389     if (chunk->size < sizeof(DWORD)) {
 390         WARN_(dmfile)("%s: Too short to read element size\n", debugstr_chunk(chunk));
 391         return E_FAIL;
 392     }
 393     if (FAILED(hr = stream_read(stream, &size, sizeof(DWORD))))
 394         return hr;
 395     if (size != elem_size) {
 396         WARN_(dmfile)("%s: Array element size mismatch: got %u, expected %u\n",
 397                 debugstr_chunk(chunk), size, elem_size);
 398         return DMUS_E_UNSUPPORTED_STREAM;
 399     }
 400
 401     *count = (chunk->size - sizeof(DWORD)) / elem_size;
 402     size = *count * elem_size;
 403     if (!(*array = heap_alloc(size)))
 404         return E_OUTOFMEMORY;
 405     if (FAILED(hr = stream_read(stream, *array, size))) {
 406         heap_free(*array);
 407         *array = NULL;
 408         return hr;
 409     }
 410
 411     if (chunk->size > size + sizeof(DWORD)) {
 412         WARN_(dmfile)("%s: Extraneous data at end of array\n", debugstr_chunk(chunk));
 413         stream_skip_chunk(stream, chunk);
 414         return S_FALSE;
 415     }
 416     return S_OK;
 417 }
 418
 419 HRESULT stream_chunk_get_data(IStream *stream, const struct chunk_entry *chunk, void *data,
 420         ULONG size)
 421 {
 422     if (chunk->size != size) {
 423         WARN_(dmfile)("Chunk %s (size %u, offset %s) doesn't contains the expected data size %u\n",
 424                 debugstr_fourcc(chunk->id), chunk->size,
 425                 wine_dbgstr_longlong(chunk->offset.QuadPart), size);
 426         return E_FAIL;
 427     }
 428     return stream_read(stream, data, size);
 429 }
 430
 431 HRESULT stream_chunk_get_wstr(IStream *stream, const struct chunk_entry *chunk, WCHAR *str,
 432         ULONG size)
 433 {
 434     ULONG len;
 435     HRESULT hr;
 436
 437     hr = IStream_Read(stream, str, min(chunk->size, size), &len);
 438     if (FAILED(hr))
 439         return hr;
 440
 441     /* Don't assume the string is properly zero terminated */
 442     str[min(len, size - 1)] = 0;
 443
 444     if (len < chunk->size)
 445         return S_FALSE;
 446     return S_OK;
 447 }
 448
 449
 450
 451 /* Generic IDirectMusicObject methods */
 452 static inline struct dmobject *impl_from_IDirectMusicObject(IDirectMusicObject *iface)
 453 {
 454     return CONTAINING_RECORD(iface, struct dmobject, IDirectMusicObject_iface);
 455 }
 456
 457 HRESULT WINAPI dmobj_IDirectMusicObject_QueryInterface(IDirectMusicObject *iface, REFIID riid,
 458         void **ret_iface)
 459 {
 460     struct dmobject *This = impl_from_IDirectMusicObject(iface);
 461     return IUnknown_QueryInterface(This->outer_unk, riid, ret_iface);
 462 }
 463
 464 ULONG WINAPI dmobj_IDirectMusicObject_AddRef(IDirectMusicObject *iface)
 465 {
 466     struct dmobject *This = impl_from_IDirectMusicObject(iface);
 467     return IUnknown_AddRef(This->outer_unk);
 468 }
 469
 470 ULONG WINAPI dmobj_IDirectMusicObject_Release(IDirectMusicObject *iface)
 471 {
 472     struct dmobject *This = impl_from_IDirectMusicObject(iface);
 473     return IUnknown_Release(This->outer_unk);
 474 }
 475
 476 HRESULT WINAPI dmobj_IDirectMusicObject_GetDescriptor(IDirectMusicObject *iface,
 477         DMUS_OBJECTDESC *desc)
 478 {
 479     struct dmobject *This = impl_from_IDirectMusicObject(iface);
 480
 481     TRACE("(%p/%p)->(%p)\n", iface, This, desc);
 482
 483     if (!desc)
 484         return E_POINTER;
 485
 486     memcpy(desc, &This->desc, This->desc.dwSize);
 487
 488     return S_OK;
 489 }
 490
 491 HRESULT WINAPI dmobj_IDirectMusicObject_SetDescriptor(IDirectMusicObject *iface,
 492         DMUS_OBJECTDESC *desc)
 493 {
 494     struct dmobject *This = impl_from_IDirectMusicObject(iface);
 495     HRESULT ret = S_OK;
 496
 497     TRACE("(%p, %p)\n", iface, desc);
 498
 499     if (!desc)
 500         return E_POINTER;
 501
 502     /* Immutable property */
 503     if (desc->dwValidData & DMUS_OBJ_CLASS)
 504     {
 505         desc->dwValidData &= ~DMUS_OBJ_CLASS;
 506         ret = S_FALSE;
 507     }
 508     /* Set only valid fields */
 509     if (desc->dwValidData & DMUS_OBJ_OBJECT)
 510         This->desc.guidObject = desc->guidObject;
 511     if (desc->dwValidData & DMUS_OBJ_NAME)
 512         lstrcpynW(This->desc.wszName, desc->wszName, DMUS_MAX_NAME);
 513     if (desc->dwValidData & DMUS_OBJ_CATEGORY)
 514         lstrcpynW(This->desc.wszCategory, desc->wszCategory, DMUS_MAX_CATEGORY);
 515     if (desc->dwValidData & DMUS_OBJ_FILENAME)
 516         lstrcpynW(This->desc.wszFileName, desc->wszFileName, DMUS_MAX_FILENAME);
 517     if (desc->dwValidData & DMUS_OBJ_VERSION)
 518         This->desc.vVersion = desc->vVersion;
 519     if (desc->dwValidData & DMUS_OBJ_DATE)
 520         This->desc.ftDate = desc->ftDate;
 521     if (desc->dwValidData & DMUS_OBJ_MEMORY) {
 522         This->desc.llMemLength = desc->llMemLength;
 523         memcpy(This->desc.pbMemData, desc->pbMemData, desc->llMemLength);
 524     }
 525     if (desc->dwValidData & DMUS_OBJ_STREAM)
 526         IStream_Clone(desc->pStream, &This->desc.pStream);
 527
 528     This->desc.dwValidData |= desc->dwValidData;
 529
 530     return ret;
 531 }
 532
 533 /* Helper for IDirectMusicObject::ParseDescriptor */
 534 static inline void info_get_name(IStream *stream, const struct chunk_entry *info,
 535         DMUS_OBJECTDESC *desc)
 536 {
 537     struct chunk_entry chunk = {.parent = info};
 538     char name[DMUS_MAX_NAME];
 539     ULONG len;
 540     HRESULT hr = E_FAIL;
 541
 542     while (stream_next_chunk(stream, &chunk) == S_OK)
 543         if (chunk.id == mmioFOURCC('I','N','A','M'))
 544             hr = IStream_Read(stream, name, min(chunk.size, sizeof(name)), &len);
 545
 546     if (SUCCEEDED(hr)) {
 547         len = MultiByteToWideChar(CP_ACP, 0, name, len, desc->wszName, sizeof(desc->wszName));
 548         desc->wszName[min(len, sizeof(desc->wszName) - 1)] = 0;
 549         desc->dwValidData |= DMUS_OBJ_NAME;
 550     }
 551 }
 552
 553 static inline void unfo_get_name(IStream *stream, const struct chunk_entry *unfo,
 554         DMUS_OBJECTDESC *desc, BOOL inam)
 555 {
 556     struct chunk_entry chunk = {.parent = unfo};
 557
 558     while (stream_next_chunk(stream, &chunk) == S_OK)
 559         if (chunk.id == DMUS_FOURCC_UNAM_CHUNK || (inam && chunk.id == mmioFOURCC('I','N','A','M')))
 560             if (stream_chunk_get_wstr(stream, &chunk, desc->wszName, sizeof(desc->wszName)) == S_OK)
 561                 desc->dwValidData |= DMUS_OBJ_NAME;
 562 }
 563
 564 HRESULT dmobj_parsedescriptor(IStream *stream, const struct chunk_entry *riff,
 565         DMUS_OBJECTDESC *desc, DWORD supported)
 566 {
 567     struct chunk_entry chunk = {.parent = riff};
 568     HRESULT hr;
 569
 570     TRACE("Looking for %#x in %p: %s\n", supported, stream, debugstr_chunk(riff));
 571
 572     desc->dwValidData = 0;
 573     desc->dwSize = sizeof(*desc);
 574
 575     while ((hr = stream_next_chunk(stream, &chunk)) == S_OK) {
 576         switch (chunk.id) {
 577             case DMUS_FOURCC_CATEGORY_CHUNK:
 578                 if ((supported & DMUS_OBJ_CATEGORY) && stream_chunk_get_wstr(stream, &chunk,
 579                             desc->wszCategory, sizeof(desc->wszCategory)) == S_OK)
 580                     desc->dwValidData |= DMUS_OBJ_CATEGORY;
 581                 break;
 582             case DMUS_FOURCC_DATE_CHUNK:
 583                 if ((supported & DMUS_OBJ_DATE) && stream_chunk_get_data(stream, &chunk,
 584                             &desc->ftDate, sizeof(desc->ftDate)) == S_OK)
 585                     desc->dwValidData |= DMUS_OBJ_DATE;
 586                 break;
 587             case DMUS_FOURCC_FILE_CHUNK:
 588                 if ((supported & DMUS_OBJ_FILENAME) && stream_chunk_get_wstr(stream, &chunk,
 589                             desc->wszFileName, sizeof(desc->wszFileName)) == S_OK)
 590                     desc->dwValidData |= DMUS_OBJ_FILENAME;
 591                 break;
 592             case DMUS_FOURCC_GUID_CHUNK:
 593                 if ((supported & DMUS_OBJ_OBJECT) && stream_chunk_get_data(stream, &chunk,
 594                             &desc->guidObject, sizeof(desc->guidObject)) == S_OK)
 595                     desc->dwValidData |= DMUS_OBJ_OBJECT;
 596                 break;
 597             case DMUS_FOURCC_NAME_CHUNK:
 598                 if ((supported & DMUS_OBJ_NAME) && stream_chunk_get_wstr(stream, &chunk,
 599                             desc->wszName, sizeof(desc->wszName)) == S_OK)
 600                     desc->dwValidData |= DMUS_OBJ_NAME;
 601                 break;
 602             case DMUS_FOURCC_VERSION_CHUNK:
 603                 if ((supported & DMUS_OBJ_VERSION) && stream_chunk_get_data(stream, &chunk,
 604                             &desc->vVersion, sizeof(desc->vVersion)) == S_OK)
 605                     desc->dwValidData |= DMUS_OBJ_VERSION;
 606                 break;
 607             case FOURCC_LIST:
 608                 if (chunk.type == DMUS_FOURCC_UNFO_LIST && (supported & DMUS_OBJ_NAME))
 609                     unfo_get_name(stream, &chunk, desc, supported & DMUS_OBJ_NAME_INAM);
 610                 else if (chunk.type == DMUS_FOURCC_INFO_LIST && (supported & DMUS_OBJ_NAME_INFO))
 611                     info_get_name(stream, &chunk, desc);
 612                 break;
 613         }
 614     }
 615     TRACE("Found %#x\n", desc->dwValidData);
 616
 617     return hr;
 618 }
 619
 620 HRESULT dmobj_parsereference(IStream *stream, const struct chunk_entry *list,
 621         IDirectMusicObject **dmobj)
 622 {
 623     struct chunk_entry chunk = {.parent = list};
 624     IDirectMusicGetLoader *getloader;
 625     IDirectMusicLoader *loader;
 626     DMUS_OBJECTDESC desc;
 627     DMUS_IO_REFERENCE reference;
 628     HRESULT hr;
 629
 630     if (FAILED(hr = stream_next_chunk(stream, &chunk)))
 631         return hr;
 632     if (chunk.id != DMUS_FOURCC_REF_CHUNK)
 633         return DMUS_E_UNSUPPORTED_STREAM;
 634
 635     if (FAILED(hr = stream_chunk_get_data(stream, &chunk, &reference, sizeof(reference)))) {
 636         WARN("Failed to read data of %s\n", debugstr_chunk(&chunk));
 637         return hr;
 638     }
 639     TRACE("REFERENCE guidClassID %s, dwValidData %#x\n", debugstr_dmguid(&reference.guidClassID),
 640             reference.dwValidData);
 641
 642     if (FAILED(hr = dmobj_parsedescriptor(stream, list, &desc, reference.dwValidData)))
 643         return hr;
 644     desc.guidClass = reference.guidClassID;
 645     desc.dwValidData |= DMUS_OBJ_CLASS;
 646     dump_DMUS_OBJECTDESC(&desc);
 647
 648     if (FAILED(hr = IStream_QueryInterface(stream, &IID_IDirectMusicGetLoader, (void**)&getloader)))
 649         return hr;
 650     hr = IDirectMusicGetLoader_GetLoader(getloader, &loader);
 651     IDirectMusicGetLoader_Release(getloader);
 652     if (FAILED(hr))
 653         return hr;
 654
 655     hr = IDirectMusicLoader_GetObject(loader, &desc, &IID_IDirectMusicObject, (void**)dmobj);
 656     IDirectMusicLoader_Release(loader);
 657
 658     return hr;
 659 }
 660
 661 /* Generic IPersistStream methods */
 662 static inline struct dmobject *impl_from_IPersistStream(IPersistStream *iface)
 663 {
 664     return CONTAINING_RECORD(iface, struct dmobject, IPersistStream_iface);
 665 }
 666
 667 HRESULT WINAPI dmobj_IPersistStream_QueryInterface(IPersistStream *iface, REFIID riid,
 668         void **ret_iface)
 669 {
 670     struct dmobject *This = impl_from_IPersistStream(iface);
 671     return IUnknown_QueryInterface(This->outer_unk, riid, ret_iface);
 672 }
 673
 674 ULONG WINAPI dmobj_IPersistStream_AddRef(IPersistStream *iface)
 675 {
 676     struct dmobject *This = impl_from_IPersistStream(iface);
 677     return IUnknown_AddRef(This->outer_unk);
 678 }
 679
 680 ULONG WINAPI dmobj_IPersistStream_Release(IPersistStream *iface)
 681 {
 682     struct dmobject *This = impl_from_IPersistStream(iface);
 683     return IUnknown_Release(This->outer_unk);
 684 }
 685
 686 HRESULT WINAPI dmobj_IPersistStream_GetClassID(IPersistStream *iface, CLSID *class)
 687 {
 688     struct dmobject *This = impl_from_IPersistStream(iface);
 689
 690     TRACE("(%p, %p)\n", This, class);
 691
 692     if (!class)
 693         return E_POINTER;
 694
 695     *class = This->desc.guidClass;
 696
 697     return S_OK;
 698 }
 699
 700 /* IPersistStream methods not implemented in native */
 701 HRESULT WINAPI unimpl_IPersistStream_GetClassID(IPersistStream *iface, CLSID *class)
 702 {
 703     TRACE("(%p, %p): method not implemented\n", iface, class);
 704     return E_NOTIMPL;
 705 }
 706
 707 HRESULT WINAPI unimpl_IPersistStream_IsDirty(IPersistStream *iface)
 708 {
 709     TRACE("(%p): method not implemented, always returning S_FALSE\n", iface);
 710     return S_FALSE;
 711 }
 712
 713 HRESULT WINAPI unimpl_IPersistStream_Save(IPersistStream *iface, IStream *stream,
 714         BOOL clear_dirty)
 715 {
 716     TRACE("(%p, %p, %d): method not implemented\n", iface, stream, clear_dirty);
 717     return E_NOTIMPL;
 718 }
 719
 720 HRESULT WINAPI unimpl_IPersistStream_GetSizeMax(IPersistStream *iface, ULARGE_INTEGER *size)
 721 {
 722     TRACE("(%p, %p): method not implemented\n", iface, size);
 723     return E_NOTIMPL;
 724 }
 725
 726
 727 void dmobject_init(struct dmobject *dmobj, const GUID *class, IUnknown *outer_unk)
 728 {
 729     dmobj->outer_unk = outer_unk;
 730     dmobj->desc.dwSize = sizeof(dmobj->desc);
 731     dmobj->desc.dwValidData = DMUS_OBJ_CLASS;
 732     dmobj->desc.guidClass = *class;
 733 }