wine/dlls/dmband/bandtrack.c
2015-06-29 19:07:50 +09:00

623 lines
21 KiB
C

/* IDirectMusicBandTrack 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 "dmband_private.h"
#include "dmobject.h"
WINE_DEFAULT_DEBUG_CHANNEL(dmband);
WINE_DECLARE_DEBUG_CHANNEL(dmfile);
/*****************************************************************************
* IDirectMusicBandTrack implementation
*/
typedef struct IDirectMusicBandTrack {
IDirectMusicTrack8 IDirectMusicTrack8_iface;
struct dmobject dmobj; /* IPersistStream only */
LONG ref;
DMUS_IO_BAND_TRACK_HEADER header;
struct list Bands;
} IDirectMusicBandTrack;
/* IDirectMusicBandTrack IDirectMusicTrack8 part: */
static inline IDirectMusicBandTrack *impl_from_IDirectMusicTrack8(IDirectMusicTrack8 *iface)
{
return CONTAINING_RECORD(iface, IDirectMusicBandTrack, IDirectMusicTrack8_iface);
}
static HRESULT WINAPI IDirectMusicTrack8Impl_QueryInterface(IDirectMusicTrack8 *iface, REFIID riid,
void **ret_iface)
{
IDirectMusicBandTrack *This = impl_from_IDirectMusicTrack8(iface);
TRACE("(%p, %s, %p)\n", This, debugstr_dmguid(riid), ret_iface);
*ret_iface = NULL;
if (IsEqualIID(riid, &IID_IUnknown) || IsEqualIID(riid, &IID_IDirectMusicTrack) ||
IsEqualIID(riid, &IID_IDirectMusicTrack8))
*ret_iface = 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 IDirectMusicTrack8Impl_AddRef(IDirectMusicTrack8 *iface)
{
IDirectMusicBandTrack *This = impl_from_IDirectMusicTrack8(iface);
LONG ref = InterlockedIncrement(&This->ref);
TRACE("(%p) ref=%d\n", This, ref);
return ref;
}
static ULONG WINAPI IDirectMusicTrack8Impl_Release(IDirectMusicTrack8 *iface)
{
IDirectMusicBandTrack *This = impl_from_IDirectMusicTrack8(iface);
LONG ref = InterlockedDecrement(&This->ref);
TRACE("(%p) ref=%d\n", This, ref);
if (!ref) {
HeapFree(GetProcessHeap(), 0, This);
DMBAND_UnlockModule();
}
return ref;
}
static HRESULT WINAPI IDirectMusicTrack8Impl_Init(IDirectMusicTrack8 *iface,
IDirectMusicSegment *pSegment)
{
IDirectMusicBandTrack *This = impl_from_IDirectMusicTrack8(iface);
FIXME("(%p, %p): stub\n", This, pSegment);
return S_OK;
}
static HRESULT WINAPI IDirectMusicTrack8Impl_InitPlay(IDirectMusicTrack8 *iface,
IDirectMusicSegmentState *segment_state, IDirectMusicPerformance *performance,
void **state_data, DWORD virtual_track8id, DWORD flags)
{
IDirectMusicBandTrack *This = impl_from_IDirectMusicTrack8(iface);
FIXME("(%p, %p, %p, %p, %d, %x): stub\n", This, segment_state, performance, state_data, virtual_track8id, flags);
return S_OK;
}
static HRESULT WINAPI IDirectMusicTrack8Impl_EndPlay(IDirectMusicTrack8 *iface, void *pStateData)
{
IDirectMusicBandTrack *This = impl_from_IDirectMusicTrack8(iface);
FIXME("(%p, %p): stub\n", This, pStateData);
return S_OK;
}
static HRESULT WINAPI IDirectMusicTrack8Impl_Play(IDirectMusicTrack8 *iface, void *state_data,
MUSIC_TIME mtStart, MUSIC_TIME mtEnd, MUSIC_TIME mtOffset, DWORD flags,
IDirectMusicPerformance *performance, IDirectMusicSegmentState *segment_state,
DWORD virtual_id)
{
IDirectMusicBandTrack *This = impl_from_IDirectMusicTrack8(iface);
FIXME("(%p, %p, %d, %d, %d, %x, %p, %p, %d): semi-stub\n", This, state_data, mtStart, mtEnd, mtOffset, flags, performance, segment_state, virtual_id);
/* Sends following pMSG:
- DMUS_PATCH_PMSG
- DMUS_TRANSPOSE_PMSG
- DMUS_CHANNEL_PRIORITY_PMSG
- DMUS_MIDI_PMSG
*/
return S_OK;
}
static HRESULT WINAPI IDirectMusicTrack8Impl_GetParam(IDirectMusicTrack8 *iface, REFGUID rguidType,
MUSIC_TIME mtTime, MUSIC_TIME *pmtNext, void *pParam)
{
IDirectMusicBandTrack *This = impl_from_IDirectMusicTrack8(iface);
FIXME("(%p, %s, %d, %p, %p): stub\n", This, debugstr_dmguid(rguidType), mtTime, pmtNext, pParam);
return S_OK;
}
static HRESULT WINAPI IDirectMusicTrack8Impl_SetParam(IDirectMusicTrack8 *iface, REFGUID rguidType,
MUSIC_TIME mtTime, void *pParam)
{
IDirectMusicBandTrack *This = impl_from_IDirectMusicTrack8(iface);
FIXME("(%p, %s, %d, %p): stub\n", This, debugstr_dmguid(rguidType), mtTime, pParam);
return S_OK;
}
static HRESULT WINAPI IDirectMusicTrack8Impl_IsParamSupported(IDirectMusicTrack8 *iface,
REFGUID rguidType)
{
IDirectMusicBandTrack *This = impl_from_IDirectMusicTrack8(iface);
TRACE("(%p, %s)\n", This, debugstr_dmguid(rguidType));
if (!rguidType)
return E_POINTER;
if (IsEqualGUID (rguidType, &GUID_BandParam)
|| IsEqualGUID (rguidType, &GUID_Clear_All_Bands)
|| IsEqualGUID (rguidType, &GUID_ConnectToDLSCollection)
|| IsEqualGUID (rguidType, &GUID_Disable_Auto_Download)
|| IsEqualGUID (rguidType, &GUID_Download)
|| IsEqualGUID (rguidType, &GUID_DownloadToAudioPath)
|| IsEqualGUID (rguidType, &GUID_Enable_Auto_Download)
|| IsEqualGUID (rguidType, &GUID_IDirectMusicBand)
|| IsEqualGUID (rguidType, &GUID_StandardMIDIFile)
|| IsEqualGUID (rguidType, &GUID_Unload)
|| IsEqualGUID (rguidType, &GUID_UnloadFromAudioPath)) {
TRACE("param supported\n");
return S_OK;
}
TRACE("param unsupported\n");
return DMUS_E_TYPE_UNSUPPORTED;
}
static HRESULT WINAPI IDirectMusicTrack8Impl_AddNotificationType(IDirectMusicTrack8 *iface,
REFGUID notiftype)
{
IDirectMusicBandTrack *This = impl_from_IDirectMusicTrack8(iface);
TRACE("(%p, %s): method not implemented\n", This, debugstr_dmguid(notiftype));
return E_NOTIMPL;
}
static HRESULT WINAPI IDirectMusicTrack8Impl_RemoveNotificationType(IDirectMusicTrack8 *iface,
REFGUID notiftype)
{
IDirectMusicBandTrack *This = impl_from_IDirectMusicTrack8(iface);
TRACE("(%p, %s): method not implemented\n", This, debugstr_dmguid(notiftype));
return E_NOTIMPL;
}
static HRESULT WINAPI IDirectMusicTrack8Impl_Clone(IDirectMusicTrack8 *iface, MUSIC_TIME mtStart,
MUSIC_TIME mtEnd, IDirectMusicTrack **ppTrack)
{
IDirectMusicBandTrack *This = impl_from_IDirectMusicTrack8(iface);
FIXME("(%p, %d, %d, %p): stub\n", This, mtStart, mtEnd, ppTrack);
return S_OK;
}
static HRESULT WINAPI IDirectMusicTrack8Impl_PlayEx(IDirectMusicTrack8 *iface, void *state_data,
REFERENCE_TIME rtStart, REFERENCE_TIME rtEnd, REFERENCE_TIME rtOffset, DWORD flags,
IDirectMusicPerformance *performance, IDirectMusicSegmentState *segment_state,
DWORD virtual_id)
{
IDirectMusicBandTrack *This = impl_from_IDirectMusicTrack8(iface);
FIXME("(%p, %p, 0x%s, 0x%s, 0x%s, %x, %p, %p, %d): stub\n", This, state_data, wine_dbgstr_longlong(rtStart),
wine_dbgstr_longlong(rtEnd), wine_dbgstr_longlong(rtOffset), flags, performance, segment_state, virtual_id);
return S_OK;
}
static HRESULT WINAPI IDirectMusicTrack8Impl_GetParamEx(IDirectMusicTrack8 *iface,
REFGUID rguidType, REFERENCE_TIME rtTime, REFERENCE_TIME *rtNext, void *param,
void *state_data, DWORD flags)
{
IDirectMusicBandTrack *This = impl_from_IDirectMusicTrack8(iface);
FIXME("(%p, %s, 0x%s, %p, %p, %p, %x): stub\n", This, debugstr_dmguid(rguidType),
wine_dbgstr_longlong(rtTime), rtNext, param, state_data, flags);
return S_OK;
}
static HRESULT WINAPI IDirectMusicTrack8Impl_SetParamEx(IDirectMusicTrack8 *iface,
REFGUID rguidType, REFERENCE_TIME rtTime, void *param, void *state_data, DWORD flags)
{
IDirectMusicBandTrack *This = impl_from_IDirectMusicTrack8(iface);
FIXME("(%p, %s, 0x%s, %p, %p, %x): stub\n", This, debugstr_dmguid(rguidType),
wine_dbgstr_longlong(rtTime), param, state_data, flags);
return S_OK;
}
static HRESULT WINAPI IDirectMusicTrack8Impl_Compose(IDirectMusicTrack8 *iface, IUnknown *context,
DWORD trackgroup, IDirectMusicTrack **track)
{
IDirectMusicBandTrack *This = impl_from_IDirectMusicTrack8(iface);
TRACE("(%p, %p, %d, %p): method not implemented\n", This, context, trackgroup, track);
return E_NOTIMPL;
}
static HRESULT WINAPI IDirectMusicTrack8Impl_Join(IDirectMusicTrack8 *iface,
IDirectMusicTrack *pNewTrack, MUSIC_TIME mtJoin, IUnknown *pContext, DWORD dwTrackGroup,
IDirectMusicTrack **ppResultTrack)
{
IDirectMusicBandTrack *This = impl_from_IDirectMusicTrack8(iface);
FIXME("(%p, %p, %d, %p, %d, %p): stub\n", This, pNewTrack, mtJoin, pContext, dwTrackGroup, ppResultTrack);
return S_OK;
}
static const IDirectMusicTrack8Vtbl dmtrack8_vtbl = {
IDirectMusicTrack8Impl_QueryInterface,
IDirectMusicTrack8Impl_AddRef,
IDirectMusicTrack8Impl_Release,
IDirectMusicTrack8Impl_Init,
IDirectMusicTrack8Impl_InitPlay,
IDirectMusicTrack8Impl_EndPlay,
IDirectMusicTrack8Impl_Play,
IDirectMusicTrack8Impl_GetParam,
IDirectMusicTrack8Impl_SetParam,
IDirectMusicTrack8Impl_IsParamSupported,
IDirectMusicTrack8Impl_AddNotificationType,
IDirectMusicTrack8Impl_RemoveNotificationType,
IDirectMusicTrack8Impl_Clone,
IDirectMusicTrack8Impl_PlayEx,
IDirectMusicTrack8Impl_GetParamEx,
IDirectMusicTrack8Impl_SetParamEx,
IDirectMusicTrack8Impl_Compose,
IDirectMusicTrack8Impl_Join
};
/* IDirectMusicBandTrack IPersistStream part: */
static HRESULT load_band(IDirectMusicBandTrack *This, IStream *pClonedStream,
IDirectMusicBand **ppBand, DMUS_PRIVATE_BAND_ITEM_HEADER *pHeader)
{
HRESULT hr = E_FAIL;
IPersistStream* pPersistStream = NULL;
hr = CoCreateInstance (&CLSID_DirectMusicBand, NULL, CLSCTX_INPROC_SERVER, &IID_IDirectMusicBand, (LPVOID*) ppBand);
if (FAILED(hr)) {
ERR(": could not create object\n");
return hr;
}
/* acquire PersistStream interface */
hr = IDirectMusicBand_QueryInterface (*ppBand, &IID_IPersistStream, (LPVOID*) &pPersistStream);
if (FAILED(hr)) {
ERR(": could not acquire IPersistStream\n");
return hr;
}
/* load */
hr = IPersistStream_Load (pPersistStream, pClonedStream);
if (FAILED(hr)) {
ERR(": failed to load object\n");
return hr;
}
/* release all loading-related stuff */
IPersistStream_Release (pPersistStream);
/*
* @TODO insert pBand into This
*/
if (SUCCEEDED(hr)) {
LPDMUS_PRIVATE_BAND pNewBand = HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY, sizeof(DMUS_PRIVATE_BAND));
if (NULL == pNewBand) {
ERR(": no more memory\n");
return E_OUTOFMEMORY;
}
pNewBand->BandHeader = *pHeader;
pNewBand->band = *ppBand;
IDirectMusicBand_AddRef(*ppBand);
list_add_tail (&This->Bands, &pNewBand->entry);
}
return S_OK;
}
static HRESULT parse_bands_list(IDirectMusicBandTrack *This, DMUS_PRIVATE_CHUNK *pChunk,
IStream *pStm)
{
HRESULT hr = E_FAIL;
DMUS_PRIVATE_CHUNK Chunk;
DWORD StreamSize, ListSize[3], ListCount[3];
LARGE_INTEGER liMove; /* used when skipping chunks */
IDirectMusicBand* pBand = NULL;
DMUS_PRIVATE_BAND_ITEM_HEADER header;
memset(&header, 0, sizeof header);
if (pChunk->fccID != DMUS_FOURCC_BANDS_LIST) {
ERR_(dmfile)(": %s chunk should be a BANDS list\n", debugstr_fourcc (pChunk->fccID));
return E_FAIL;
}
ListSize[0] = pChunk->dwSize - sizeof(FOURCC);
ListCount[0] = 0;
do {
IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
TRACE_(dmfile)(": %s chunk (size = %d)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
switch (Chunk.fccID) {
case FOURCC_LIST: {
IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(Chunk.fccID));
ListSize[1] = Chunk.dwSize - sizeof(FOURCC);
ListCount[1] = 0;
do {
IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
ListCount[1] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
TRACE_(dmfile)(": %s chunk (size = %d)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
switch (Chunk.fccID) {
case DMUS_FOURCC_BANDITEM_CHUNK: {
DMUS_IO_BAND_ITEM_HEADER tmp_header;
TRACE_(dmfile)(": Band Item chunk v1\n");
IStream_Read (pStm, &tmp_header, sizeof(DMUS_IO_BAND_ITEM_HEADER), NULL);
TRACE_(dmfile)(" - lBandTime: %u\n", tmp_header.lBandTime);
header.dwVersion = 1;
header.lBandTime = tmp_header.lBandTime;
break;
}
case DMUS_FOURCC_BANDITEM_CHUNK2: {
DMUS_IO_BAND_ITEM_HEADER2 tmp_header2;
TRACE_(dmfile)(": Band Item chunk v2\n");
IStream_Read (pStm, &tmp_header2, sizeof(DMUS_IO_BAND_ITEM_HEADER2), NULL);
TRACE_(dmfile)(" - lBandTimeLogical: %u\n", tmp_header2.lBandTimeLogical);
TRACE_(dmfile)(" - lBandTimePhysical: %u\n", tmp_header2.lBandTimePhysical);
header.dwVersion = 2;
header.lBandTimeLogical = tmp_header2.lBandTimeLogical;
header.lBandTimePhysical = tmp_header2.lBandTimePhysical;
break;
}
case FOURCC_RIFF: {
IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
TRACE_(dmfile)(": RIFF chunk of type %s\n", debugstr_fourcc(Chunk.fccID));
StreamSize = Chunk.dwSize - sizeof(FOURCC);
switch (Chunk.fccID) {
case DMUS_FOURCC_BAND_FORM: {
LPSTREAM pClonedStream = NULL;
TRACE_(dmfile)(": BAND RIFF\n");
IStream_Clone (pStm, &pClonedStream);
liMove.QuadPart = 0;
liMove.QuadPart -= sizeof(FOURCC) + (sizeof(FOURCC)+sizeof(DWORD));
IStream_Seek (pClonedStream, liMove, STREAM_SEEK_CUR, NULL);
hr = load_band(This, pClonedStream, &pBand, &header);
if (FAILED(hr)) {
ERR(": could not load track\n");
return hr;
}
IStream_Release (pClonedStream);
IDirectMusicTrack_Release(pBand); pBand = NULL; /* now we can release at as it inserted */
/** now safe move the cursor */
liMove.QuadPart = StreamSize;
IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
break;
}
default: {
TRACE_(dmfile)(": unknown chunk (irrelevant & skipping)\n");
liMove.QuadPart = StreamSize;
IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
break;
}
}
break;
}
default: {
TRACE_(dmfile)(": unknown chunk (irrelevant & skipping)\n");
liMove.QuadPart = Chunk.dwSize;
IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
break;
}
}
TRACE_(dmfile)(": ListCount[1] = %d < ListSize[1] = %d\n", ListCount[1], ListSize[1]);
} while (ListCount[1] < ListSize[1]);
break;
}
default: {
TRACE_(dmfile)(": unknown chunk (irrelevant & skipping)\n");
liMove.QuadPart = Chunk.dwSize;
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]);
return S_OK;
}
static HRESULT parse_bandtrack_form(IDirectMusicBandTrack *This, DMUS_PRIVATE_CHUNK *pChunk,
IStream *pStm)
{
HRESULT hr = E_FAIL;
DMUS_PRIVATE_CHUNK Chunk;
DWORD StreamSize, StreamCount, ListSize[3], ListCount[3];
LARGE_INTEGER liMove; /* used when skipping chunks */
if (pChunk->fccID != DMUS_FOURCC_BANDTRACK_FORM) {
ERR_(dmfile)(": %s chunk should be a BANDTRACK form\n", debugstr_fourcc (pChunk->fccID));
return E_FAIL;
}
StreamSize = pChunk->dwSize - sizeof(FOURCC);
StreamCount = 0;
do {
IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
StreamCount += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
TRACE_(dmfile)(": %s chunk (size = %d)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
hr = IDirectMusicUtils_IPersistStream_ParseDescGeneric(&Chunk, pStm, &This->dmobj.desc);
if (FAILED(hr)) return hr;
if (hr == S_FALSE) {
switch (Chunk.fccID) {
case DMUS_FOURCC_BANDTRACK_CHUNK: {
TRACE_(dmfile)(": BandTrack chunk\n");
IStream_Read (pStm, &This->header, sizeof(DMUS_IO_BAND_TRACK_HEADER), NULL);
TRACE_(dmfile)(" - bAutoDownload: %u\n", This->header.bAutoDownload);
break;
}
case FOURCC_LIST: {
IStream_Read (pStm, &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) {
case DMUS_FOURCC_UNFO_LIST: {
TRACE_(dmfile)(": UNFO list\n");
do {
IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
TRACE_(dmfile)(": %s chunk (size = %d)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
hr = IDirectMusicUtils_IPersistStream_ParseUNFOGeneric(&Chunk, pStm, &This->dmobj.desc);
if (FAILED(hr)) return hr;
if (hr == S_FALSE) {
switch (Chunk.fccID) {
default: {
TRACE_(dmfile)(": unknown chunk (irrelevant & skipping)\n");
liMove.QuadPart = Chunk.dwSize;
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;
}
case DMUS_FOURCC_BANDS_LIST: {
TRACE_(dmfile)(": TRACK list\n");
hr = parse_bands_list(This, &Chunk, pStm);
if (FAILED(hr)) return hr;
break;
}
default: {
TRACE_(dmfile)(": unknown (skipping)\n");
liMove.QuadPart = Chunk.dwSize - sizeof(FOURCC);
IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
break;
}
}
break;
}
default: {
TRACE_(dmfile)(": unknown chunk (irrelevant & skipping)\n");
liMove.QuadPart = Chunk.dwSize;
IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
break;
}
}
}
TRACE_(dmfile)(": StreamCount[0] = %d < StreamSize[0] = %d\n", StreamCount, StreamSize);
} while (StreamCount < StreamSize);
return S_OK;
}
static inline IDirectMusicBandTrack *impl_from_IPersistStream(IPersistStream *iface)
{
return CONTAINING_RECORD(iface, IDirectMusicBandTrack, dmobj.IPersistStream_iface);
}
static HRESULT WINAPI IPersistStreamImpl_Load(IPersistStream *iface, IStream *pStm)
{
IDirectMusicBandTrack *This = impl_from_IPersistStream(iface);
DMUS_PRIVATE_CHUNK Chunk;
LARGE_INTEGER liMove;
HRESULT hr;
TRACE("(%p, %p): Loading\n", This, pStm);
IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
TRACE_(dmfile)(": %s chunk (size = %d)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
switch (Chunk.fccID) {
case FOURCC_RIFF: {
IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
TRACE_(dmfile)(": %s chunk (size = %d)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
switch (Chunk.fccID) {
case DMUS_FOURCC_BANDTRACK_FORM: {
TRACE_(dmfile)(": Band track form\n");
hr = parse_bandtrack_form(This, &Chunk, pStm);
if (FAILED(hr)) return hr;
break;
}
default: {
TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
liMove.QuadPart = Chunk.dwSize;
IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
return E_FAIL;
}
}
TRACE_(dmfile)(": reading finished\n");
break;
}
default: {
TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
liMove.QuadPart = Chunk.dwSize;
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_dmbandtrack(REFIID lpcGUID, void **ppobj)
{
IDirectMusicBandTrack *track;
HRESULT hr;
track = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*track));
if (!track) {
*ppobj = NULL;
return E_OUTOFMEMORY;
}
track->IDirectMusicTrack8_iface.lpVtbl = &dmtrack8_vtbl;
track->ref = 1;
dmobject_init(&track->dmobj, &CLSID_DirectMusicBandTrack,
(IUnknown *)&track->IDirectMusicTrack8_iface);
track->dmobj.IPersistStream_iface.lpVtbl = &persiststream_vtbl;
list_init (&track->Bands);
DMBAND_LockModule();
hr = IDirectMusicTrack8_QueryInterface(&track->IDirectMusicTrack8_iface, lpcGUID, ppobj);
IDirectMusicTrack8_Release(&track->IDirectMusicTrack8_iface);
return hr;
}