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Sweden-Number/dlls/dmcompos/chordmap.c

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/* IDirectMusicChordMap Implementation
*
* Copyright (C) 2003-2004 Rok Mandeljc
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "dmcompos_private.h"
#include "dmobject.h"
WINE_DEFAULT_DEBUG_CHANNEL(dmcompos);
WINE_DECLARE_DEBUG_CHANNEL(dmfile);
/*****************************************************************************
* IDirectMusicChordMapImpl implementation
*/
typedef struct IDirectMusicChordMapImpl {
IDirectMusicChordMap IDirectMusicChordMap_iface;
struct dmobject dmobj;
LONG ref;
} IDirectMusicChordMapImpl;
/* IDirectMusicChordMapImpl IDirectMusicChordMap part: */
static inline IDirectMusicChordMapImpl *impl_from_IDirectMusicChordMap(IDirectMusicChordMap *iface)
{
return CONTAINING_RECORD(iface, IDirectMusicChordMapImpl, IDirectMusicChordMap_iface);
}
static HRESULT WINAPI IDirectMusicChordMapImpl_QueryInterface(IDirectMusicChordMap *iface,
REFIID riid, void **ret_iface)
{
IDirectMusicChordMapImpl *This = impl_from_IDirectMusicChordMap(iface);
TRACE("(%p, %s, %p)\n", This, debugstr_dmguid(riid), ret_iface);
*ret_iface = NULL;
if (IsEqualIID(riid, &IID_IUnknown) || IsEqualIID(riid, &IID_IDirectMusicChordMap))
*ret_iface = iface;
else if (IsEqualIID(riid, &IID_IDirectMusicObject))
*ret_iface = &This->dmobj.IDirectMusicObject_iface;
else if (IsEqualIID(riid, &IID_IPersistStream))
*ret_iface = &This->dmobj.IPersistStream_iface;
else {
WARN("(%p, %s, %p): not found\n", This, debugstr_dmguid(riid), ret_iface);
return E_NOINTERFACE;
}
IUnknown_AddRef((IUnknown*)*ret_iface);
return S_OK;
}
static ULONG WINAPI IDirectMusicChordMapImpl_AddRef(IDirectMusicChordMap *iface)
{
IDirectMusicChordMapImpl *This = impl_from_IDirectMusicChordMap(iface);
LONG ref = InterlockedIncrement(&This->ref);
TRACE("(%p) ref=%d\n", This, ref);
return ref;
}
static ULONG WINAPI IDirectMusicChordMapImpl_Release(IDirectMusicChordMap *iface)
{
IDirectMusicChordMapImpl *This = impl_from_IDirectMusicChordMap(iface);
LONG ref = InterlockedDecrement(&This->ref);
TRACE("(%p) ref=%d\n", This, ref);
if (!ref) {
HeapFree(GetProcessHeap(), 0, This);
DMCOMPOS_UnlockModule();
}
return ref;
}
static HRESULT WINAPI IDirectMusicChordMapImpl_GetScale(IDirectMusicChordMap *iface,
DWORD *pdwScale)
{
IDirectMusicChordMapImpl *This = impl_from_IDirectMusicChordMap(iface);
FIXME("(%p, %p): stub\n", This, pdwScale);
return S_OK;
}
static const IDirectMusicChordMapVtbl dmchordmap_vtbl = {
IDirectMusicChordMapImpl_QueryInterface,
IDirectMusicChordMapImpl_AddRef,
IDirectMusicChordMapImpl_Release,
IDirectMusicChordMapImpl_GetScale
};
/* IDirectMusicChordMapImpl IDirectMusicObject part: */
static HRESULT WINAPI chord_IDirectMusicObject_ParseDescriptor(IDirectMusicObject *iface,
IStream *stream, DMUS_OBJECTDESC *desc)
{
struct chunk_entry riff = {0};
HRESULT hr;
TRACE("(%p, %p, %p)\n", iface, stream, desc);
if (!stream || !desc)
return E_POINTER;
if ((hr = stream_get_chunk(stream, &riff)) != S_OK)
return hr;
if (riff.id != FOURCC_RIFF || riff.type != DMUS_FOURCC_CHORDMAP_FORM) {
TRACE("loading failed: unexpected %s\n", debugstr_chunk(&riff));
stream_skip_chunk(stream, &riff);
return DMUS_E_CHUNKNOTFOUND;
}
hr = dmobj_parsedescriptor(stream, &riff, desc, DMUS_OBJ_OBJECT);
if (FAILED(hr))
return hr;
desc->guidClass = CLSID_DirectMusicChordMap;
desc->dwValidData |= DMUS_OBJ_CLASS;
TRACE("returning descriptor:\n%s\n", debugstr_DMUS_OBJECTDESC (desc));
return S_OK;
}
static const IDirectMusicObjectVtbl dmobject_vtbl = {
dmobj_IDirectMusicObject_QueryInterface,
dmobj_IDirectMusicObject_AddRef,
dmobj_IDirectMusicObject_Release,
dmobj_IDirectMusicObject_GetDescriptor,
dmobj_IDirectMusicObject_SetDescriptor,
chord_IDirectMusicObject_ParseDescriptor
};
/* IDirectMusicChordMapImpl IPersistStream part: */
static inline IDirectMusicChordMapImpl *impl_from_IPersistStream(IPersistStream *iface)
{
return CONTAINING_RECORD(iface, IDirectMusicChordMapImpl, dmobj.IPersistStream_iface);
}
static HRESULT WINAPI IPersistStreamImpl_Load(IPersistStream *iface, IStream *pStm)
{
IDirectMusicChordMapImpl *This = impl_from_IPersistStream(iface);
FOURCC chunkID;
DWORD chunkSize, StreamSize, StreamCount, ListSize[3], ListCount[3];
LARGE_INTEGER liMove; /* used when skipping chunks */
FIXME("(%p, %p): Loading not implemented yet\n", This, pStm);
IStream_Read (pStm, &chunkID, sizeof(FOURCC), NULL);
IStream_Read (pStm, &chunkSize, sizeof(DWORD), NULL);
TRACE_(dmfile)(": %s chunk (size = %d)", debugstr_fourcc (chunkID), chunkSize);
switch (chunkID) {
case FOURCC_RIFF: {
IStream_Read (pStm, &chunkID, sizeof(FOURCC), NULL);
TRACE_(dmfile)(": RIFF chunk of type %s", debugstr_fourcc(chunkID));
StreamSize = chunkSize - sizeof(FOURCC);
StreamCount = 0;
switch (chunkID) {
case DMUS_FOURCC_CHORDMAP_FORM: {
TRACE_(dmfile)(": chordmap form\n");
do {
IStream_Read (pStm, &chunkID, sizeof(FOURCC), NULL);
IStream_Read (pStm, &chunkSize, sizeof(FOURCC), NULL);
StreamCount += sizeof(FOURCC) + sizeof(DWORD) + chunkSize;
TRACE_(dmfile)(": %s chunk (size = %d)", debugstr_fourcc (chunkID), chunkSize);
switch (chunkID) {
case DMUS_FOURCC_GUID_CHUNK: {
TRACE_(dmfile)(": GUID chunk\n");
This->dmobj.desc.dwValidData |= DMUS_OBJ_OBJECT;
IStream_Read (pStm, &This->dmobj.desc.guidObject, chunkSize, NULL);
break;
}
case DMUS_FOURCC_VERSION_CHUNK: {
TRACE_(dmfile)(": version chunk\n");
This->dmobj.desc.dwValidData |= DMUS_OBJ_VERSION;
IStream_Read (pStm, &This->dmobj.desc.vVersion, chunkSize, NULL);
break;
}
case DMUS_FOURCC_CATEGORY_CHUNK: {
TRACE_(dmfile)(": category chunk\n");
This->dmobj.desc.dwValidData |= DMUS_OBJ_CATEGORY;
IStream_Read (pStm, This->dmobj.desc.wszCategory, chunkSize, NULL);
break;
}
case FOURCC_LIST: {
IStream_Read (pStm, &chunkID, sizeof(FOURCC), NULL);
TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(chunkID));
ListSize[0] = chunkSize - sizeof(FOURCC);
ListCount[0] = 0;
switch (chunkID) {
case DMUS_FOURCC_UNFO_LIST: {
TRACE_(dmfile)(": UNFO list\n");
do {
IStream_Read (pStm, &chunkID, sizeof(FOURCC), NULL);
IStream_Read (pStm, &chunkSize, sizeof(FOURCC), NULL);
ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + chunkSize;
TRACE_(dmfile)(": %s chunk (size = %d)", debugstr_fourcc (chunkID), chunkSize);
switch (chunkID) {
/* don't ask me why, but M$ puts INFO elements in UNFO list sometimes
(though strings seem to be valid unicode) */
case mmioFOURCC('I','N','A','M'):
case DMUS_FOURCC_UNAM_CHUNK: {
TRACE_(dmfile)(": name chunk\n");
This->dmobj.desc.dwValidData |= DMUS_OBJ_NAME;
IStream_Read (pStm, This->dmobj.desc.wszName, chunkSize, NULL);
break;
}
case mmioFOURCC('I','A','R','T'):
case DMUS_FOURCC_UART_CHUNK: {
TRACE_(dmfile)(": artist chunk (ignored)\n");
liMove.QuadPart = chunkSize;
IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
break;
}
case mmioFOURCC('I','C','O','P'):
case DMUS_FOURCC_UCOP_CHUNK: {
TRACE_(dmfile)(": copyright chunk (ignored)\n");
liMove.QuadPart = chunkSize;
IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
break;
}
case mmioFOURCC('I','S','B','J'):
case DMUS_FOURCC_USBJ_CHUNK: {
TRACE_(dmfile)(": subject chunk (ignored)\n");
liMove.QuadPart = chunkSize;
IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
break;
}
case mmioFOURCC('I','C','M','T'):
case DMUS_FOURCC_UCMT_CHUNK: {
TRACE_(dmfile)(": comment chunk (ignored)\n");
liMove.QuadPart = chunkSize;
IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
break;
}
default: {
TRACE_(dmfile)(": unknown chunk (irrelevant & skipping)\n");
liMove.QuadPart = chunkSize;
IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
break;
}
}
TRACE_(dmfile)(": ListCount[0] = %d < ListSize[0] = %d\n", ListCount[0], ListSize[0]);
} while (ListCount[0] < ListSize[0]);
break;
}
default: {
TRACE_(dmfile)(": unknown (skipping)\n");
liMove.QuadPart = chunkSize - sizeof(FOURCC);
IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
break;
}
}
break;
}
default: {
TRACE_(dmfile)(": unknown chunk (irrelevant & skipping)\n");
liMove.QuadPart = chunkSize;
IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
break;
}
}
TRACE_(dmfile)(": StreamCount[0] = %d < StreamSize[0] = %d\n", StreamCount, StreamSize);
} while (StreamCount < StreamSize);
break;
}
default: {
TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
liMove.QuadPart = StreamSize;
IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
return E_FAIL;
}
}
TRACE_(dmfile)(": reading finished\n");
break;
}
default: {
TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
liMove.QuadPart = chunkSize;
IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
return E_FAIL;
}
}
return S_OK;
}
static const IPersistStreamVtbl persiststream_vtbl = {
dmobj_IPersistStream_QueryInterface,
dmobj_IPersistStream_AddRef,
dmobj_IPersistStream_Release,
dmobj_IPersistStream_GetClassID,
unimpl_IPersistStream_IsDirty,
IPersistStreamImpl_Load,
unimpl_IPersistStream_Save,
unimpl_IPersistStream_GetSizeMax
};
/* for ClassFactory */
HRESULT WINAPI create_dmchordmap(REFIID lpcGUID, void **ppobj)
{
IDirectMusicChordMapImpl* obj;
HRESULT hr;
obj = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectMusicChordMapImpl));
if (NULL == obj) {
*ppobj = NULL;
return E_OUTOFMEMORY;
}
obj->IDirectMusicChordMap_iface.lpVtbl = &dmchordmap_vtbl;
obj->ref = 1;
dmobject_init(&obj->dmobj, &CLSID_DirectMusicChordMap,
(IUnknown *)&obj->IDirectMusicChordMap_iface);
obj->dmobj.IDirectMusicObject_iface.lpVtbl = &dmobject_vtbl;
obj->dmobj.IPersistStream_iface.lpVtbl = &persiststream_vtbl;
DMCOMPOS_LockModule();
hr = IDirectMusicChordMap_QueryInterface(&obj->IDirectMusicChordMap_iface, lpcGUID, ppobj);
IDirectMusicChordMap_Release(&obj->IDirectMusicChordMap_iface);
return hr;
}
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