dlls/dmcompos/chordmap.c

   1 /* IDirectMusicChordMap 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 "dmcompos_private.h"
  21 #include "dmobject.h"
  22
  23 WINE_DEFAULT_DEBUG_CHANNEL(dmcompos);
  24 WINE_DECLARE_DEBUG_CHANNEL(dmfile);
  25
  26 /*****************************************************************************
  27  * IDirectMusicChordMapImpl implementation
  28  */
  29 typedef struct IDirectMusicChordMapImpl {
  30     IDirectMusicChordMap IDirectMusicChordMap_iface;
  31     struct dmobject dmobj;
  32     LONG  ref;
  33 } IDirectMusicChordMapImpl;
  34
  35 /* IDirectMusicChordMapImpl IDirectMusicChordMap part: */
  36 static inline IDirectMusicChordMapImpl *impl_from_IDirectMusicChordMap(IDirectMusicChordMap *iface)
  37 {
  38     return CONTAINING_RECORD(iface, IDirectMusicChordMapImpl, IDirectMusicChordMap_iface);
  39 }
  40
  41 static HRESULT WINAPI IDirectMusicChordMapImpl_QueryInterface(IDirectMusicChordMap *iface,
  42         REFIID riid, void **ret_iface)
  43 {
  44     IDirectMusicChordMapImpl *This = impl_from_IDirectMusicChordMap(iface);
  45
  46     TRACE("(%p, %s, %p)\n", This, debugstr_dmguid(riid), ret_iface);
  47
  48     *ret_iface = NULL;
  49
  50     if (IsEqualIID(riid, &IID_IUnknown) || IsEqualIID(riid, &IID_IDirectMusicChordMap))
  51         *ret_iface = iface;
  52     else if (IsEqualIID(riid, &IID_IDirectMusicObject))
  53         *ret_iface = &This->dmobj.IDirectMusicObject_iface;
  54     else if (IsEqualIID(riid, &IID_IPersistStream))
  55         *ret_iface = &This->dmobj.IPersistStream_iface;
  56     else {
  57         WARN("(%p, %s, %p): not found\n", This, debugstr_dmguid(riid), ret_iface);
  58         return E_NOINTERFACE;
  59     }
  60
  61     IUnknown_AddRef((IUnknown*)*ret_iface);
  62     return S_OK;
  63 }
  64
  65 static ULONG WINAPI IDirectMusicChordMapImpl_AddRef(IDirectMusicChordMap *iface)
  66 {
  67     IDirectMusicChordMapImpl *This = impl_from_IDirectMusicChordMap(iface);
  68     LONG ref = InterlockedIncrement(&This->ref);
  69
  70     TRACE("(%p) ref=%d\n", This, ref);
  71
  72     return ref;
  73 }
  74
  75 static ULONG WINAPI IDirectMusicChordMapImpl_Release(IDirectMusicChordMap *iface)
  76 {
  77     IDirectMusicChordMapImpl *This = impl_from_IDirectMusicChordMap(iface);
  78     LONG ref = InterlockedDecrement(&This->ref);
  79
  80     TRACE("(%p) ref=%d\n", This, ref);
  81
  82     if (!ref) {
  83         HeapFree(GetProcessHeap(), 0, This);
  84         DMCOMPOS_UnlockModule();
  85     }
  86
  87     return ref;
  88 }
  89
  90 static HRESULT WINAPI IDirectMusicChordMapImpl_GetScale(IDirectMusicChordMap *iface,
  91         DWORD *pdwScale)
  92 {
  93     IDirectMusicChordMapImpl *This = impl_from_IDirectMusicChordMap(iface);
  94     FIXME("(%p, %p): stub\n", This, pdwScale);
  95     return S_OK;
  96 }
  97
  98 static const IDirectMusicChordMapVtbl dmchordmap_vtbl = {
  99     IDirectMusicChordMapImpl_QueryInterface,
 100     IDirectMusicChordMapImpl_AddRef,
 101     IDirectMusicChordMapImpl_Release,
 102     IDirectMusicChordMapImpl_GetScale
 103 };
 104
 105 /* IDirectMusicChordMapImpl IDirectMusicObject part: */
 106 static HRESULT WINAPI chord_IDirectMusicObject_ParseDescriptor(IDirectMusicObject *iface,
 107         IStream *stream, DMUS_OBJECTDESC *desc)
 108 {
 109     struct chunk_entry riff = {0};
 110     HRESULT hr;
 111
 112     TRACE("(%p, %p, %p)\n", iface, stream, desc);
 113
 114     if (!stream || !desc)
 115         return E_POINTER;
 116
 117     if ((hr = stream_get_chunk(stream, &riff)) != S_OK)
 118         return hr;
 119     if (riff.id != FOURCC_RIFF || riff.type != DMUS_FOURCC_CHORDMAP_FORM) {
 120         TRACE("loading failed: unexpected %s\n", debugstr_chunk(&riff));
 121         stream_skip_chunk(stream, &riff);
 122         return DMUS_E_CHUNKNOTFOUND;
 123     }
 124
 125     hr = dmobj_parsedescriptor(stream, &riff, desc, DMUS_OBJ_OBJECT);
 126     if (FAILED(hr))
 127         return hr;
 128
 129     desc->guidClass = CLSID_DirectMusicChordMap;
 130     desc->dwValidData |= DMUS_OBJ_CLASS;
 131
 132     TRACE("returning descriptor:\n%s\n", debugstr_DMUS_OBJECTDESC (desc));
 133     return S_OK;
 134 }
 135
 136 static const IDirectMusicObjectVtbl dmobject_vtbl = {
 137     dmobj_IDirectMusicObject_QueryInterface,
 138     dmobj_IDirectMusicObject_AddRef,
 139     dmobj_IDirectMusicObject_Release,
 140     dmobj_IDirectMusicObject_GetDescriptor,
 141     dmobj_IDirectMusicObject_SetDescriptor,
 142     chord_IDirectMusicObject_ParseDescriptor
 143 };
 144
 145 /* IDirectMusicChordMapImpl IPersistStream part: */
 146 static inline IDirectMusicChordMapImpl *impl_from_IPersistStream(IPersistStream *iface)
 147 {
 148     return CONTAINING_RECORD(iface, IDirectMusicChordMapImpl, dmobj.IPersistStream_iface);
 149 }
 150
 151 static HRESULT WINAPI IPersistStreamImpl_Load(IPersistStream *iface, IStream *pStm)
 152 {
 153         IDirectMusicChordMapImpl *This = impl_from_IPersistStream(iface);
 154         FOURCC chunkID;
 155         DWORD chunkSize, StreamSize, StreamCount, ListSize[3], ListCount[3];
 156         LARGE_INTEGER liMove; /* used when skipping chunks */
 157
 158         FIXME("(%p, %p): Loading not implemented yet\n", This, pStm);
 159         IStream_Read (pStm, &chunkID, sizeof(FOURCC), NULL);
 160         IStream_Read (pStm, &chunkSize, sizeof(DWORD), NULL);
 161         TRACE_(dmfile)(": %s chunk (size = %d)", debugstr_fourcc (chunkID), chunkSize);
 162         switch (chunkID) {
 163                 case FOURCC_RIFF: {
 164                         IStream_Read (pStm, &chunkID, sizeof(FOURCC), NULL);
 165                         TRACE_(dmfile)(": RIFF chunk of type %s", debugstr_fourcc(chunkID));
 166                         StreamSize = chunkSize - sizeof(FOURCC);
 167                         StreamCount = 0;
 168                         switch (chunkID) {
 169                                 case DMUS_FOURCC_CHORDMAP_FORM: {
 170                                         TRACE_(dmfile)(": chordmap form\n");
 171                                         do {
 172                                                 IStream_Read (pStm, &chunkID, sizeof(FOURCC), NULL);
 173                                                 IStream_Read (pStm, &chunkSize, sizeof(FOURCC), NULL);
 174                                                 StreamCount += sizeof(FOURCC) + sizeof(DWORD) + chunkSize;
 175                                                 TRACE_(dmfile)(": %s chunk (size = %d)", debugstr_fourcc (chunkID), chunkSize);
 176                                                 switch (chunkID) {
 177                                                         case DMUS_FOURCC_GUID_CHUNK: {
 178                                                                 TRACE_(dmfile)(": GUID chunk\n");
 179                                                                 This->dmobj.desc.dwValidData |= DMUS_OBJ_OBJECT;
 180                                                                 IStream_Read (pStm, &This->dmobj.desc.guidObject, chunkSize, NULL);
 181                                                                 break;
 182                                                         }
 183                                                         case DMUS_FOURCC_VERSION_CHUNK: {
 184                                                                 TRACE_(dmfile)(": version chunk\n");
 185                                                                 This->dmobj.desc.dwValidData |= DMUS_OBJ_VERSION;
 186                                                                 IStream_Read (pStm, &This->dmobj.desc.vVersion, chunkSize, NULL);
 187                                                                 break;
 188                                                         }
 189                                                         case DMUS_FOURCC_CATEGORY_CHUNK: {
 190                                                                 TRACE_(dmfile)(": category chunk\n");
 191                                                                 This->dmobj.desc.dwValidData |= DMUS_OBJ_CATEGORY;
 192                                                                 IStream_Read (pStm, This->dmobj.desc.wszCategory, chunkSize, NULL);
 193                                                                 break;
 194                                                         }
 195                                                         case FOURCC_LIST: {
 196                                                                 IStream_Read (pStm, &chunkID, sizeof(FOURCC), NULL);
 197                                                                 TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(chunkID));
 198                                                                 ListSize[0] = chunkSize - sizeof(FOURCC);
 199                                                                 ListCount[0] = 0;
 200                                                                 switch (chunkID) {
 201                                                                         case DMUS_FOURCC_UNFO_LIST: {
 202                                                                                 TRACE_(dmfile)(": UNFO list\n");
 203                                                                                 do {
 204                                                                                         IStream_Read (pStm, &chunkID, sizeof(FOURCC), NULL);
 205                                                                                         IStream_Read (pStm, &chunkSize, sizeof(FOURCC), NULL);
 206                                                                                         ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + chunkSize;
 207                                                                                         TRACE_(dmfile)(": %s chunk (size = %d)", debugstr_fourcc (chunkID), chunkSize);
 208                                                                                         switch (chunkID) {
 209                                                                                                 /* don't ask me why, but M$ puts INFO elements in UNFO list sometimes
 210                                               (though strings seem to be valid unicode) */
 211                                                                                                 case mmioFOURCC('I','N','A','M'):
 212                                                                                                 case DMUS_FOURCC_UNAM_CHUNK: {
 213                                                                                                         TRACE_(dmfile)(": name chunk\n");
 214                                                                                                         This->dmobj.desc.dwValidData |= DMUS_OBJ_NAME;
 215                                                                                                         IStream_Read (pStm, This->dmobj.desc.wszName, chunkSize, NULL);
 216                                                                                                         break;
 217                                                                                                 }
 218                                                                                                 case mmioFOURCC('I','A','R','T'):
 219                                                                                                 case DMUS_FOURCC_UART_CHUNK: {
 220                                                                                                         TRACE_(dmfile)(": artist chunk (ignored)\n");
 221                                                                                                         liMove.QuadPart = chunkSize;
 222                                                                                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 223                                                                                                         break;
 224                                                                                                 }
 225                                                                                                 case mmioFOURCC('I','C','O','P'):
 226                                                                                                 case DMUS_FOURCC_UCOP_CHUNK: {
 227                                                                                                         TRACE_(dmfile)(": copyright chunk (ignored)\n");
 228                                                                                                         liMove.QuadPart = chunkSize;
 229                                                                                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 230                                                                                                         break;
 231                                                                                                 }
 232                                                                                                 case mmioFOURCC('I','S','B','J'):
 233                                                                                                 case DMUS_FOURCC_USBJ_CHUNK: {
 234                                                                                                         TRACE_(dmfile)(": subject chunk (ignored)\n");
 235                                                                                                         liMove.QuadPart = chunkSize;
 236                                                                                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 237                                                                                                         break;
 238                                                                                                 }
 239                                                                                                 case mmioFOURCC('I','C','M','T'):
 240                                                                                                 case DMUS_FOURCC_UCMT_CHUNK: {
 241                                                                                                         TRACE_(dmfile)(": comment chunk (ignored)\n");
 242                                                                                                         liMove.QuadPart = chunkSize;
 243                                                                                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 244                                                                                                         break;
 245                                                                                                 }
 246                                                                                                 default: {
 247                                                                                                         TRACE_(dmfile)(": unknown chunk (irrelevant & skipping)\n");
 248                                                                                                         liMove.QuadPart = chunkSize;
 249                                                                                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 250                                                                                                         break;
 251                                                                                                 }
 252                                                                                         }
 253                                                                                         TRACE_(dmfile)(": ListCount[0] = %d < ListSize[0] = %d\n", ListCount[0], ListSize[0]);
 254                                                                                 } while (ListCount[0] < ListSize[0]);
 255                                                                                 break;
 256                                                                         }
 257                                                                         default: {
 258                                                                                 TRACE_(dmfile)(": unknown (skipping)\n");
 259                                                                                 liMove.QuadPart = chunkSize - sizeof(FOURCC);
 260                                                                                 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 261                                                                                 break;
 262                                                                         }
 263                                                                 }
 264                                                                 break;
 265                                                         }
 266                                                         default: {
 267                                                                 TRACE_(dmfile)(": unknown chunk (irrelevant & skipping)\n");
 268                                                                 liMove.QuadPart = chunkSize;
 269                                                                 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 270                                                                 break;
 271                                                         }
 272                                                 }
 273                                                 TRACE_(dmfile)(": StreamCount[0] = %d < StreamSize[0] = %d\n", StreamCount, StreamSize);
 274                                         } while (StreamCount < StreamSize);
 275                                         break;
 276                                 }
 277                                 default: {
 278                                         TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
 279                                         liMove.QuadPart = StreamSize;
 280                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
 281                                         return E_FAIL;
 282                                 }
 283                         }
 284                         TRACE_(dmfile)(": reading finished\n");
 285                         break;
 286                 }
 287                 default: {
 288                         TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
 289                         liMove.QuadPart = chunkSize;
 290                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
 291                         return E_FAIL;
 292                 }
 293         }
 294
 295         return S_OK;
 296 }
 297
 298 static const IPersistStreamVtbl persiststream_vtbl = {
 299     dmobj_IPersistStream_QueryInterface,
 300     dmobj_IPersistStream_AddRef,
 301     dmobj_IPersistStream_Release,
 302     dmobj_IPersistStream_GetClassID,
 303     unimpl_IPersistStream_IsDirty,
 304     IPersistStreamImpl_Load,
 305     unimpl_IPersistStream_Save,
 306     unimpl_IPersistStream_GetSizeMax
 307 };
 308
 309 /* for ClassFactory */
 310 HRESULT WINAPI create_dmchordmap(REFIID lpcGUID, void **ppobj)
 311 {
 312         IDirectMusicChordMapImpl* obj;
 313         HRESULT hr;
 314
 315         obj = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectMusicChordMapImpl));
 316         if (NULL == obj) {
 317                 *ppobj = NULL;
 318                 return E_OUTOFMEMORY;
 319         }
 320         obj->IDirectMusicChordMap_iface.lpVtbl = &dmchordmap_vtbl;
 321         obj->ref = 1;
 322         dmobject_init(&obj->dmobj, &CLSID_DirectMusicChordMap,
 323                 (IUnknown *)&obj->IDirectMusicChordMap_iface);
 324         obj->dmobj.IDirectMusicObject_iface.lpVtbl = &dmobject_vtbl;
 325         obj->dmobj.IPersistStream_iface.lpVtbl = &persiststream_vtbl;
 326
 327         DMCOMPOS_LockModule();
 328         hr = IDirectMusicChordMap_QueryInterface(&obj->IDirectMusicChordMap_iface, lpcGUID, ppobj);
 329         IDirectMusicChordMap_Release(&obj->IDirectMusicChordMap_iface);
 330
 331         return hr;
 332 }