Sweden-Number/dlls/dmime/audiopath.c

657 lines
26 KiB
C

/* 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 General Public License as published by
* the Free Software Foundation; either version 2 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 Library General Public License for more details.
*
* You should have received a copy of the GNU 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"
WINE_DEFAULT_DEBUG_CHANNEL(dmime);
WINE_DECLARE_DEBUG_CHANNEL(dmfile);
/*****************************************************************************
* IDirectMusicAudioPathImpl implementation
*/
/* IDirectMusicAudioPath IUnknown part: */
static HRESULT WINAPI IDirectMusicAudioPathImpl_IUnknown_QueryInterface (LPUNKNOWN iface, REFIID riid, LPVOID *ppobj) {
ICOM_THIS_MULTI(IDirectMusicAudioPathImpl, UnknownVtbl, iface);
TRACE("(%p, %s, %p)\n", This, debugstr_dmguid(riid), ppobj);
if (IsEqualIID (riid, &IID_IUnknown)) {
*ppobj = (LPVOID)&This->UnknownVtbl;
IUnknown_AddRef (iface);
return S_OK;
} else if (IsEqualIID (riid, &IID_IDirectMusicAudioPath)) {
*ppobj = (LPVOID)&This->AudioPathVtbl;
IUnknown_AddRef (iface);
return S_OK;
} else if (IsEqualIID (riid, &IID_IDirectMusicObject)) {
*ppobj = (LPVOID)&This->ObjectVtbl;
IUnknown_AddRef (iface);
return S_OK;
} else if (IsEqualIID (riid, &IID_IPersistStream)) {
*ppobj = (LPVOID)&This->PersistStreamVtbl;
IUnknown_AddRef (iface);
return S_OK;
}
WARN("(%p, %s, %p): not found\n", This, debugstr_dmguid(riid), ppobj);
return E_NOINTERFACE;
}
static ULONG WINAPI IDirectMusicAudioPathImpl_IUnknown_AddRef (LPUNKNOWN iface) {
ICOM_THIS_MULTI(IDirectMusicAudioPathImpl, UnknownVtbl, iface);
ULONG ref = InterlockedIncrement(&This->ref);
TRACE("(%p): AddRef from %d\n", This, ref - 1);
DMIME_LockModule();
return ref;
}
static ULONG WINAPI IDirectMusicAudioPathImpl_IUnknown_Release (LPUNKNOWN iface) {
ICOM_THIS_MULTI(IDirectMusicAudioPathImpl, UnknownVtbl, iface);
ULONG ref = InterlockedDecrement(&This->ref);
TRACE("(%p): ReleaseRef to %d\n", This, ref);
if (ref == 0) {
if (This->pDSBuffer) {
IDirectSoundBuffer8_Release(This->pDSBuffer);
}
HeapFree(GetProcessHeap(), 0, This);
}
DMIME_UnlockModule();
return ref;
}
static const IUnknownVtbl DirectMusicAudioPath_Unknown_Vtbl = {
IDirectMusicAudioPathImpl_IUnknown_QueryInterface,
IDirectMusicAudioPathImpl_IUnknown_AddRef,
IDirectMusicAudioPathImpl_IUnknown_Release
};
/* IDirectMusicAudioPathImpl IDirectMusicAudioPath part: */
static HRESULT WINAPI IDirectMusicAudioPathImpl_IDirectMusicAudioPath_QueryInterface (LPDIRECTMUSICAUDIOPATH iface, REFIID riid, LPVOID *ppobj) {
ICOM_THIS_MULTI(IDirectMusicAudioPathImpl, AudioPathVtbl, iface);
return IUnknown_QueryInterface ((LPUNKNOWN)&This->UnknownVtbl, riid, ppobj);
}
static ULONG WINAPI IDirectMusicAudioPathImpl_IDirectMusicAudioPath_AddRef (LPDIRECTMUSICAUDIOPATH iface) {
ICOM_THIS_MULTI(IDirectMusicAudioPathImpl, AudioPathVtbl, iface);
return IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
}
static ULONG WINAPI IDirectMusicAudioPathImpl_IDirectMusicAudioPath_Release (LPDIRECTMUSICAUDIOPATH iface) {
ICOM_THIS_MULTI(IDirectMusicAudioPathImpl, AudioPathVtbl, iface);
return IUnknown_Release ((LPUNKNOWN)&This->UnknownVtbl);
}
static HRESULT WINAPI IDirectMusicAudioPathImpl_IDirectMusicAudioPath_GetObjectInPath (LPDIRECTMUSICAUDIOPATH iface, DWORD dwPChannel, DWORD dwStage, DWORD dwBuffer, REFGUID guidObject, WORD dwIndex, REFGUID iidInterface, void** ppObject) {
ICOM_THIS_MULTI(IDirectMusicAudioPathImpl, AudioPathVtbl, iface);
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 (IsEqualIID (iidInterface, &IID_IDirectSoundBuffer8)) {
IDirectSoundBuffer8_QueryInterface (This->pDSBuffer, &IID_IDirectSoundBuffer8, ppObject);
TRACE("returning %p\n",*ppObject);
return S_OK;
} else if (IsEqualIID (iidInterface, &IID_IDirectSound3DBuffer)) {
IDirectSoundBuffer8_QueryInterface (This->pDSBuffer, &IID_IDirectSound3DBuffer, ppObject);
TRACE("returning %p\n",*ppObject);
return S_OK;
} else {
FIXME("Bad iid\n");
}
}
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;
DMUSIC_CreateDirectMusicGraphImpl (&IID_IDirectMusicGraph, (LPVOID*)&pGraph, NULL);
This->pToolGraph = (IDirectMusicGraph*) pGraph;
}
*ppObject = (LPDIRECTMUSICGRAPH) 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 = (LPDIRECTMUSICPERFORMANCE8) This->pPerf;
IUnknown_AddRef((LPUNKNOWN) *ppObject);
return S_OK;
}
break;
case DMUS_PATH_PERFORMANCE_GRAPH:
{
IDirectMusicGraph* pPerfoGraph = NULL;
IDirectMusicPerformance8_GetGraph((LPDIRECTMUSICPERFORMANCE8) This->pPerf, &pPerfoGraph);
if (NULL == pPerfoGraph) {
IDirectMusicGraphImpl* pGraph = NULL;
DMUSIC_CreateDirectMusicGraphImpl (&IID_IDirectMusicGraph, (LPVOID*)&pGraph, NULL);
IDirectMusicPerformance8_SetGraph((LPDIRECTMUSICPERFORMANCE8) This->pPerf, (IDirectMusicGraph*) pGraph);
/* we need release as SetGraph do an AddRef */
IDirectMusicGraph_Release((LPDIRECTMUSICGRAPH) pGraph);
pPerfoGraph = (LPDIRECTMUSICGRAPH) pGraph;
}
*ppObject = (LPDIRECTMUSICGRAPH) pPerfoGraph;
return S_OK;
}
break;
case DMUS_PATH_PERFORMANCE_TOOL:
default:
break;
}
*ppObject = NULL;
return E_INVALIDARG;
}
static HRESULT WINAPI IDirectMusicAudioPathImpl_IDirectMusicAudioPath_Activate (LPDIRECTMUSICAUDIOPATH iface, BOOL fActivate) {
ICOM_THIS_MULTI(IDirectMusicAudioPathImpl, AudioPathVtbl, 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_IDirectMusicAudioPath_SetVolume (LPDIRECTMUSICAUDIOPATH iface, long lVolume, DWORD dwDuration) {
ICOM_THIS_MULTI(IDirectMusicAudioPathImpl, AudioPathVtbl, iface);
FIXME("(%p, %li, %d): stub\n", This, lVolume, dwDuration);
return S_OK;
}
static HRESULT WINAPI IDirectMusicAudioPathImpl_IDirectMusicAudioPath_ConvertPChannel (LPDIRECTMUSICAUDIOPATH iface, DWORD dwPChannelIn, DWORD* pdwPChannelOut) {
ICOM_THIS_MULTI(IDirectMusicAudioPathImpl, AudioPathVtbl, iface);
FIXME("(%p, %d, %p): stub\n", This, dwPChannelIn, pdwPChannelOut);
return S_OK;
}
static const IDirectMusicAudioPathVtbl DirectMusicAudioPath_AudioPath_Vtbl = {
IDirectMusicAudioPathImpl_IDirectMusicAudioPath_QueryInterface,
IDirectMusicAudioPathImpl_IDirectMusicAudioPath_AddRef,
IDirectMusicAudioPathImpl_IDirectMusicAudioPath_Release,
IDirectMusicAudioPathImpl_IDirectMusicAudioPath_GetObjectInPath,
IDirectMusicAudioPathImpl_IDirectMusicAudioPath_Activate,
IDirectMusicAudioPathImpl_IDirectMusicAudioPath_SetVolume,
IDirectMusicAudioPathImpl_IDirectMusicAudioPath_ConvertPChannel
};
/* IDirectMusicAudioPathImpl IDirectMusicObject part: */
static HRESULT WINAPI IDirectMusicAudioPathImpl_IDirectMusicObject_QueryInterface (LPDIRECTMUSICOBJECT iface, REFIID riid, LPVOID *ppobj) {
ICOM_THIS_MULTI(IDirectMusicAudioPathImpl, ObjectVtbl, iface);
return IUnknown_QueryInterface ((LPUNKNOWN)&This->UnknownVtbl, riid, ppobj);
}
static ULONG WINAPI IDirectMusicAudioPathImpl_IDirectMusicObject_AddRef (LPDIRECTMUSICOBJECT iface) {
ICOM_THIS_MULTI(IDirectMusicAudioPathImpl, ObjectVtbl, iface);
return IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
}
static ULONG WINAPI IDirectMusicAudioPathImpl_IDirectMusicObject_Release (LPDIRECTMUSICOBJECT iface) {
ICOM_THIS_MULTI(IDirectMusicAudioPathImpl, ObjectVtbl, iface);
return IUnknown_Release ((LPUNKNOWN)&This->UnknownVtbl);
}
static HRESULT WINAPI IDirectMusicAudioPathImpl_IDirectMusicObject_GetDescriptor (LPDIRECTMUSICOBJECT iface, LPDMUS_OBJECTDESC pDesc) {
ICOM_THIS_MULTI(IDirectMusicAudioPathImpl, ObjectVtbl, iface);
TRACE("(%p, %p)\n", This, pDesc);
/* I think we shouldn't return pointer here since then values can be changed; it'd be a mess */
memcpy (pDesc, This->pDesc, This->pDesc->dwSize);
return S_OK;
}
static HRESULT WINAPI IDirectMusicAudioPathImpl_IDirectMusicObject_SetDescriptor (LPDIRECTMUSICOBJECT iface, LPDMUS_OBJECTDESC pDesc) {
ICOM_THIS_MULTI(IDirectMusicAudioPathImpl, ObjectVtbl, iface);
TRACE("(%p, %p): setting descriptor:\n%s\n", This, pDesc, debugstr_DMUS_OBJECTDESC (pDesc));
/* According to MSDN, we should copy only given values, not whole struct */
if (pDesc->dwValidData & DMUS_OBJ_OBJECT)
memcpy (&This->pDesc->guidObject, &pDesc->guidObject, sizeof (pDesc->guidObject));
if (pDesc->dwValidData & DMUS_OBJ_CLASS)
memcpy (&This->pDesc->guidClass, &pDesc->guidClass, sizeof (pDesc->guidClass));
if (pDesc->dwValidData & DMUS_OBJ_NAME)
lstrcpynW (This->pDesc->wszName, pDesc->wszName, DMUS_MAX_NAME);
if (pDesc->dwValidData & DMUS_OBJ_CATEGORY)
lstrcpynW (This->pDesc->wszCategory, pDesc->wszCategory, DMUS_MAX_CATEGORY);
if (pDesc->dwValidData & DMUS_OBJ_FILENAME)
lstrcpynW (This->pDesc->wszFileName, pDesc->wszFileName, DMUS_MAX_FILENAME);
if (pDesc->dwValidData & DMUS_OBJ_VERSION)
memcpy (&This->pDesc->vVersion, &pDesc->vVersion, sizeof (pDesc->vVersion));
if (pDesc->dwValidData & DMUS_OBJ_DATE)
memcpy (&This->pDesc->ftDate, &pDesc->ftDate, sizeof (pDesc->ftDate));
if (pDesc->dwValidData & DMUS_OBJ_MEMORY) {
memcpy (&This->pDesc->llMemLength, &pDesc->llMemLength, sizeof (pDesc->llMemLength));
memcpy (This->pDesc->pbMemData, pDesc->pbMemData, sizeof (pDesc->pbMemData));
}
if (pDesc->dwValidData & DMUS_OBJ_STREAM) {
/* according to MSDN, we copy the stream */
IStream_Clone (pDesc->pStream, &This->pDesc->pStream);
}
/* add new flags */
This->pDesc->dwValidData |= pDesc->dwValidData;
return S_OK;
}
static HRESULT WINAPI IDirectMusicAudioPathImpl_IDirectMusicObject_ParseDescriptor (LPDIRECTMUSICOBJECT iface, LPSTREAM pStream, LPDMUS_OBJECTDESC pDesc) {
ICOM_THIS_MULTI(IDirectMusicAudioPathImpl, ObjectVtbl, 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;
memcpy (&pDesc->guidClass, &CLSID_DirectMusicAudioPath, sizeof(CLSID));
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 (irrevelant & 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 (irrevelant & 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 DirectMusicAudioPath_Object_Vtbl = {
IDirectMusicAudioPathImpl_IDirectMusicObject_QueryInterface,
IDirectMusicAudioPathImpl_IDirectMusicObject_AddRef,
IDirectMusicAudioPathImpl_IDirectMusicObject_Release,
IDirectMusicAudioPathImpl_IDirectMusicObject_GetDescriptor,
IDirectMusicAudioPathImpl_IDirectMusicObject_SetDescriptor,
IDirectMusicAudioPathImpl_IDirectMusicObject_ParseDescriptor
};
/* IDirectMusicAudioPathImpl IPersistStream part: */
static HRESULT WINAPI IDirectMusicAudioPathImpl_IPersistStream_QueryInterface (LPPERSISTSTREAM iface, REFIID riid, LPVOID *ppobj) {
ICOM_THIS_MULTI(IDirectMusicAudioPathImpl, PersistStreamVtbl, iface);
return IUnknown_QueryInterface ((LPUNKNOWN)&This->UnknownVtbl, riid, ppobj);
}
static ULONG WINAPI IDirectMusicAudioPathImpl_IPersistStream_AddRef (LPPERSISTSTREAM iface) {
ICOM_THIS_MULTI(IDirectMusicAudioPathImpl, PersistStreamVtbl, iface);
return IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
}
static ULONG WINAPI IDirectMusicAudioPathImpl_IPersistStream_Release (LPPERSISTSTREAM iface) {
ICOM_THIS_MULTI(IDirectMusicAudioPathImpl, PersistStreamVtbl, iface);
return IUnknown_Release ((LPUNKNOWN)&This->UnknownVtbl);
}
static HRESULT WINAPI IDirectMusicAudioPathImpl_IPersistStream_GetClassID (LPPERSISTSTREAM iface, CLSID* pClassID) {
return E_NOTIMPL;
}
static HRESULT WINAPI IDirectMusicAudioPathImpl_IPersistStream_IsDirty (LPPERSISTSTREAM iface) {
return E_NOTIMPL;
}
static HRESULT WINAPI IDirectMusicAudioPathImpl_IPersistStream_Load (LPPERSISTSTREAM iface, IStream* pStm) {
ICOM_THIS_MULTI(IDirectMusicAudioPathImpl, PersistStreamVtbl, 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->pDesc->dwValidData |= DMUS_OBJ_OBJECT;
IStream_Read (pStm, &This->pDesc->guidObject, chunkSize, NULL);
break;
}
case DMUS_FOURCC_VERSION_CHUNK: {
TRACE_(dmfile)(": version chunk\n");
This->pDesc->dwValidData |= DMUS_OBJ_VERSION;
IStream_Read (pStm, &This->pDesc->vVersion, chunkSize, NULL);
break;
}
case DMUS_FOURCC_CATEGORY_CHUNK: {
TRACE_(dmfile)(": category chunk\n");
This->pDesc->dwValidData |= DMUS_OBJ_CATEGORY;
IStream_Read (pStm, This->pDesc->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->pDesc->dwValidData |= DMUS_OBJ_NAME;
IStream_Read (pStm, This->pDesc->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 (irrevelant & 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 (irrevelant & 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 HRESULT WINAPI IDirectMusicAudioPathImpl_IPersistStream_Save (LPPERSISTSTREAM iface, IStream* pStm, BOOL fClearDirty) {
return E_NOTIMPL;
}
static HRESULT WINAPI IDirectMusicAudioPathImpl_IPersistStream_GetSizeMax (LPPERSISTSTREAM iface, ULARGE_INTEGER* pcbSize) {
return E_NOTIMPL;
}
IPersistStreamVtbl DirectMusicAudioPath_PersistStream_Vtbl = {
IDirectMusicAudioPathImpl_IPersistStream_QueryInterface,
IDirectMusicAudioPathImpl_IPersistStream_AddRef,
IDirectMusicAudioPathImpl_IPersistStream_Release,
IDirectMusicAudioPathImpl_IPersistStream_GetClassID,
IDirectMusicAudioPathImpl_IPersistStream_IsDirty,
IDirectMusicAudioPathImpl_IPersistStream_Load,
IDirectMusicAudioPathImpl_IPersistStream_Save,
IDirectMusicAudioPathImpl_IPersistStream_GetSizeMax
};
/* for ClassFactory */
HRESULT WINAPI DMUSIC_CreateDirectMusicAudioPathImpl (LPCGUID lpcGUID, LPVOID* ppobj, LPUNKNOWN pUnkOuter) {
IDirectMusicAudioPathImpl* obj;
obj = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectMusicAudioPathImpl));
if (NULL == obj) {
*ppobj = NULL;
return E_OUTOFMEMORY;
}
obj->UnknownVtbl = &DirectMusicAudioPath_Unknown_Vtbl;
obj->AudioPathVtbl = &DirectMusicAudioPath_AudioPath_Vtbl;
obj->ObjectVtbl = &DirectMusicAudioPath_Object_Vtbl;
obj->PersistStreamVtbl = &DirectMusicAudioPath_PersistStream_Vtbl;
obj->pDesc = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(DMUS_OBJECTDESC));
DM_STRUCT_INIT(obj->pDesc);
obj->pDesc->dwValidData |= DMUS_OBJ_CLASS;
memcpy (&obj->pDesc->guidClass, &CLSID_DirectMusicAudioPath, sizeof (CLSID));
obj->ref = 0; /* will be inited by QueryInterface */
return IDirectMusicAudioPathImpl_IUnknown_QueryInterface ((LPUNKNOWN)&obj->UnknownVtbl, lpcGUID, ppobj);
}