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/* IDirectMusicAudioPath 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 "dmime_private.h"
#include "dmobject.h"
WINE_DEFAULT_DEBUG_CHANNEL(dmime);
WINE_DECLARE_DEBUG_CHANNEL(dmfile);
struct IDirectMusicAudioPathImpl {
IDirectMusicAudioPath IDirectMusicAudioPath_iface;
struct dmobject dmobj;
LONG ref;
IDirectMusicPerformance8* pPerf;
IDirectMusicGraph* pToolGraph;
IDirectSoundBuffer* pDSBuffer;
IDirectSoundBuffer* pPrimary;
BOOL fActive;
};
static inline struct IDirectMusicAudioPathImpl *impl_from_IDirectMusicAudioPath(IDirectMusicAudioPath *iface)
{
return CONTAINING_RECORD(iface, struct IDirectMusicAudioPathImpl, IDirectMusicAudioPath_iface);
}
static inline struct IDirectMusicAudioPathImpl *impl_from_IDirectMusicObject(IDirectMusicObject *iface)
{
return CONTAINING_RECORD(iface, struct IDirectMusicAudioPathImpl, dmobj.IDirectMusicObject_iface);
}
static inline struct IDirectMusicAudioPathImpl *impl_from_IPersistStream(IPersistStream *iface)
{
return CONTAINING_RECORD(iface, struct IDirectMusicAudioPathImpl, dmobj.IPersistStream_iface);
}
void set_audiopath_perf_pointer(IDirectMusicAudioPath *iface, IDirectMusicPerformance8 *performance)
{
struct IDirectMusicAudioPathImpl *This = impl_from_IDirectMusicAudioPath(iface);
This->pPerf = performance;
}
void set_audiopath_dsound_buffer(IDirectMusicAudioPath *iface, IDirectSoundBuffer *buffer)
{
struct IDirectMusicAudioPathImpl *This = impl_from_IDirectMusicAudioPath(iface);
This->pDSBuffer = buffer;
}
void set_audiopath_primary_dsound_buffer(IDirectMusicAudioPath *iface, IDirectSoundBuffer *buffer)
{
struct IDirectMusicAudioPathImpl *This = impl_from_IDirectMusicAudioPath(iface);
This->pPrimary = buffer;
}
/*****************************************************************************
* IDirectMusicAudioPathImpl implementation
*/
static HRESULT WINAPI IDirectMusicAudioPathImpl_QueryInterface (IDirectMusicAudioPath *iface, REFIID riid, void **ppobj)
{
struct IDirectMusicAudioPathImpl *This = impl_from_IDirectMusicAudioPath(iface);
TRACE("(%p, %s, %p)\n", This, debugstr_dmguid(riid), ppobj);
*ppobj = NULL;
if (IsEqualIID (riid, &IID_IDirectMusicAudioPath) || IsEqualIID (riid, &IID_IUnknown))
*ppobj = &This->IDirectMusicAudioPath_iface;
else if (IsEqualIID (riid, &IID_IDirectMusicObject))
*ppobj = &This->dmobj.IDirectMusicObject_iface;
else if (IsEqualIID (riid, &IID_IPersistStream))
*ppobj = &This->dmobj.IPersistStream_iface;
if (*ppobj) {
IUnknown_AddRef((IUnknown*)*ppobj);
return S_OK;
}
WARN("(%p, %s, %p): not found\n", This, debugstr_dmguid(riid), ppobj);
return E_NOINTERFACE;
}
static ULONG WINAPI IDirectMusicAudioPathImpl_AddRef (IDirectMusicAudioPath *iface)
{
struct IDirectMusicAudioPathImpl *This = impl_from_IDirectMusicAudioPath(iface);
ULONG ref = InterlockedIncrement(&This->ref);
TRACE("(%p): AddRef from %d\n", This, ref - 1);
DMIME_LockModule();
return ref;
}
static ULONG WINAPI IDirectMusicAudioPathImpl_Release (IDirectMusicAudioPath *iface)
{
struct IDirectMusicAudioPathImpl *This = impl_from_IDirectMusicAudioPath(iface);
ULONG ref = InterlockedDecrement(&This->ref);
TRACE("(%p): ReleaseRef to %d\n", This, ref);
if (ref == 0) {
if (This->pDSBuffer)
IDirectSoundBuffer8_Release(This->pDSBuffer);
This->pPerf = NULL;
HeapFree(GetProcessHeap(), 0, This);
}
DMIME_UnlockModule();
return ref;
}
static HRESULT WINAPI IDirectMusicAudioPathImpl_GetObjectInPath (IDirectMusicAudioPath *iface, DWORD dwPChannel, DWORD dwStage, DWORD dwBuffer,
REFGUID guidObject, WORD dwIndex, REFGUID iidInterface, void** ppObject)
{
struct IDirectMusicAudioPathImpl *This = impl_from_IDirectMusicAudioPath(iface);
HRESULT hr;
FIXME("(%p, %d, %d, %d, %s, %d, %s, %p): stub\n", This, dwPChannel, dwStage, dwBuffer, debugstr_dmguid(guidObject),
dwIndex, debugstr_dmguid(iidInterface), ppObject);
switch (dwStage) {
case DMUS_PATH_BUFFER:
if (This->pDSBuffer)
{
if (IsEqualIID (iidInterface, &IID_IUnknown) ||
IsEqualIID (iidInterface, &IID_IDirectSoundBuffer) ||
IsEqualIID (iidInterface, &IID_IDirectSoundBuffer8) ||
IsEqualIID (iidInterface, &IID_IDirectSound3DBuffer)) {
return IDirectSoundBuffer8_QueryInterface (This->pDSBuffer, iidInterface, ppObject);
}
WARN("Unsupported interface %s\n", debugstr_dmguid(iidInterface));
*ppObject = NULL;
return E_NOINTERFACE;
}
break;
case DMUS_PATH_PRIMARY_BUFFER: {
if (IsEqualIID (iidInterface, &IID_IDirectSound3DListener)) {
IDirectSoundBuffer8_QueryInterface (This->pPrimary, &IID_IDirectSound3DListener, ppObject);
return S_OK;
} else {
FIXME("bad iid...\n");
}
}
break;
case DMUS_PATH_AUDIOPATH_GRAPH:
{
if (IsEqualIID (iidInterface, &IID_IDirectMusicGraph)) {
if (NULL == This->pToolGraph) {
IDirectMusicGraphImpl* pGraph;
hr = create_dmgraph(&IID_IDirectMusicGraph, (void**)&pGraph);
if (FAILED(hr))
return hr;
This->pToolGraph = (IDirectMusicGraph*) pGraph;
}
*ppObject = This->pToolGraph;
IDirectMusicGraph_AddRef((LPDIRECTMUSICGRAPH) *ppObject);
return S_OK;
}
}
break;
case DMUS_PATH_AUDIOPATH_TOOL:
{
/* TODO */
}
break;
case DMUS_PATH_PERFORMANCE:
{
/* TODO check wanted GUID */
*ppObject = This->pPerf;
IUnknown_AddRef((LPUNKNOWN) *ppObject);
return S_OK;
}
break;
case DMUS_PATH_PERFORMANCE_GRAPH:
{
IDirectMusicGraph* pPerfoGraph = NULL;
IDirectMusicPerformance8_GetGraph(This->pPerf, &pPerfoGraph);
if (NULL == pPerfoGraph) {
IDirectMusicGraphImpl* pGraph = NULL;
hr = create_dmgraph(&IID_IDirectMusicGraph, (void**)&pGraph);
if (FAILED(hr))
return hr;
IDirectMusicPerformance8_SetGraph(This->pPerf, (IDirectMusicGraph*) pGraph);
/* we need release as SetGraph do an AddRef */
IDirectMusicGraph_Release((LPDIRECTMUSICGRAPH) pGraph);
pPerfoGraph = (LPDIRECTMUSICGRAPH) pGraph;
}
*ppObject = pPerfoGraph;
return S_OK;
}
break;
case DMUS_PATH_PERFORMANCE_TOOL:
default:
break;
}
*ppObject = NULL;
return E_INVALIDARG;
}
static HRESULT WINAPI IDirectMusicAudioPathImpl_Activate (IDirectMusicAudioPath *iface, BOOL fActivate)
{
struct IDirectMusicAudioPathImpl *This = impl_from_IDirectMusicAudioPath(iface);
FIXME("(%p, %d): stub\n", This, fActivate);
if (!fActivate) {
if (!This->fActive) return S_OK;
This->fActive = FALSE;
} else {
if (This->fActive) return S_OK;
This->fActive = TRUE;
if (NULL != This->pDSBuffer) {
IDirectSoundBuffer_Stop(This->pDSBuffer);
}
}
return S_OK;
}
static HRESULT WINAPI IDirectMusicAudioPathImpl_SetVolume (IDirectMusicAudioPath *iface, LONG lVolume, DWORD dwDuration)
{
struct IDirectMusicAudioPathImpl *This = impl_from_IDirectMusicAudioPath(iface);
FIXME("(%p, %i, %d): stub\n", This, lVolume, dwDuration);
return S_OK;
}
static HRESULT WINAPI IDirectMusicAudioPathImpl_ConvertPChannel (IDirectMusicAudioPath *iface, DWORD dwPChannelIn, DWORD* pdwPChannelOut)
{
struct IDirectMusicAudioPathImpl *This = impl_from_IDirectMusicAudioPath(iface);
FIXME("(%p, %d, %p): stub\n", This, dwPChannelIn, pdwPChannelOut);
return S_OK;
}
static const IDirectMusicAudioPathVtbl DirectMusicAudioPathVtbl = {
IDirectMusicAudioPathImpl_QueryInterface,
IDirectMusicAudioPathImpl_AddRef,
IDirectMusicAudioPathImpl_Release,
IDirectMusicAudioPathImpl_GetObjectInPath,
IDirectMusicAudioPathImpl_Activate,
IDirectMusicAudioPathImpl_SetVolume,
IDirectMusicAudioPathImpl_ConvertPChannel
};
/* IDirectMusicObject */
static HRESULT WINAPI DirectMusicObject_ParseDescriptor(IDirectMusicObject *iface, IStream *pStream, DMUS_OBJECTDESC *pDesc)
{
struct IDirectMusicAudioPathImpl *This = impl_from_IDirectMusicObject(iface);
DMUS_PRIVATE_CHUNK Chunk;
DWORD StreamSize, StreamCount, ListSize[1], ListCount[1];
LARGE_INTEGER liMove; /* used when skipping chunks */
TRACE("(%p, %p, %p)\n", This, pStream, pDesc);
/* FIXME: should this be determined from stream? */
pDesc->dwValidData |= DMUS_OBJ_CLASS;
pDesc->guidClass = This->dmobj.desc.guidClass;
IStream_Read (pStream, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
TRACE_(dmfile)(": %s chunk (size = 0x%04x)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
switch (Chunk.fccID) {
case FOURCC_RIFF: {
IStream_Read (pStream, &Chunk.fccID, sizeof(FOURCC), NULL);
TRACE_(dmfile)(": RIFF chunk of type %s", debugstr_fourcc(Chunk.fccID));
StreamSize = Chunk.dwSize - sizeof(FOURCC);
StreamCount = 0;
if (Chunk.fccID == DMUS_FOURCC_AUDIOPATH_FORM) {
TRACE_(dmfile)(": audio path form\n");
do {
IStream_Read (pStream, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
StreamCount += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
TRACE_(dmfile)(": %s chunk (size = 0x%04x)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
switch (Chunk.fccID) {
case DMUS_FOURCC_GUID_CHUNK: {
TRACE_(dmfile)(": GUID chunk\n");
pDesc->dwValidData |= DMUS_OBJ_OBJECT;
IStream_Read (pStream, &pDesc->guidObject, Chunk.dwSize, NULL);
break;
}
case DMUS_FOURCC_VERSION_CHUNK: {
TRACE_(dmfile)(": version chunk\n");
pDesc->dwValidData |= DMUS_OBJ_VERSION;
IStream_Read (pStream, &pDesc->vVersion, Chunk.dwSize, NULL);
break;
}
case DMUS_FOURCC_CATEGORY_CHUNK: {
TRACE_(dmfile)(": category chunk\n");
pDesc->dwValidData |= DMUS_OBJ_CATEGORY;
IStream_Read (pStream, pDesc->wszCategory, Chunk.dwSize, NULL);
break;
}
case FOURCC_LIST: {
IStream_Read (pStream, &Chunk.fccID, sizeof(FOURCC), NULL);
TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(Chunk.fccID));
ListSize[0] = Chunk.dwSize - sizeof(FOURCC);
ListCount[0] = 0;
switch (Chunk.fccID) {
/* evil M$ UNFO list, which can (!?) contain INFO elements */
case DMUS_FOURCC_UNFO_LIST: {
TRACE_(dmfile)(": UNFO list\n");
do {
IStream_Read (pStream, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
TRACE_(dmfile)(": %s chunk (size = 0x%04x)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
switch (Chunk.fccID) {
/* 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");
pDesc->dwValidData |= DMUS_OBJ_NAME;
IStream_Read (pStream, pDesc->wszName, Chunk.dwSize, NULL);
break;
}
case mmioFOURCC('I','A','R','T'):
case DMUS_FOURCC_UART_CHUNK: {
TRACE_(dmfile)(": artist chunk (ignored)\n");
liMove.QuadPart = Chunk.dwSize;
IStream_Seek (pStream, 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 = Chunk.dwSize;
IStream_Seek (pStream, 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 = Chunk.dwSize;
IStream_Seek (pStream, 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 = Chunk.dwSize;
IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
break;
}
default: {
TRACE_(dmfile)(": unknown chunk (irrelevant & skipping)\n");
liMove.QuadPart = Chunk.dwSize;
IStream_Seek (pStream, 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 = Chunk.dwSize - sizeof(FOURCC);
IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
break;
}
}
break;
}
default: {
TRACE_(dmfile)(": unknown chunk (irrelevant & skipping)\n");
liMove.QuadPart = Chunk.dwSize;
IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
break;
}
}
TRACE_(dmfile)(": StreamCount[0] = %d < StreamSize[0] = %d\n", StreamCount, StreamSize);
} while (StreamCount < StreamSize);
} else {
TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
liMove.QuadPart = StreamSize;
IStream_Seek (pStream, 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 = Chunk.dwSize;
IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
return DMUS_E_INVALIDFILE;
}
}
TRACE(": returning descriptor:\n%s\n", debugstr_DMUS_OBJECTDESC (pDesc));
return S_OK;
}
static const IDirectMusicObjectVtbl dmobject_vtbl = {
dmobj_IDirectMusicObject_QueryInterface,
dmobj_IDirectMusicObject_AddRef,
dmobj_IDirectMusicObject_Release,
dmobj_IDirectMusicObject_GetDescriptor,
dmobj_IDirectMusicObject_SetDescriptor,
DirectMusicObject_ParseDescriptor
};
/* IPersistStream */
static HRESULT WINAPI PersistStream_Load(IPersistStream *iface, IStream *pStm)
{
struct IDirectMusicAudioPathImpl *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_AUDIOPATH_FORM: {
TRACE_(dmfile)(": audio path 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,
PersistStream_Load,
unimpl_IPersistStream_Save,
unimpl_IPersistStream_GetSizeMax
};
/* for ClassFactory */
HRESULT WINAPI create_dmaudiopath(REFIID riid, void **ppobj)
{
IDirectMusicAudioPathImpl* obj;
HRESULT hr;
obj = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectMusicAudioPathImpl));
if (NULL == obj) {
*ppobj = NULL;
return E_OUTOFMEMORY;
}
obj->IDirectMusicAudioPath_iface.lpVtbl = &DirectMusicAudioPathVtbl;
obj->ref = 1;
dmobject_init(&obj->dmobj, &CLSID_DirectMusicAudioPathConfig,
(IUnknown *)&obj->IDirectMusicAudioPath_iface);
obj->dmobj.IDirectMusicObject_iface.lpVtbl = &dmobject_vtbl;
obj->dmobj.IPersistStream_iface.lpVtbl = &persiststream_vtbl;
hr = IDirectMusicAudioPath_QueryInterface(&obj->IDirectMusicAudioPath_iface, riid, ppobj);
IDirectMusicAudioPath_Release(&obj->IDirectMusicAudioPath_iface);
return hr;
}
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