Sweden-Number/dlls/dmime/dmobject.c

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/*
* Base IDirectMusicObject Implementation
* Keep in sync with the master in dlls/dmusic/dmobject.c
*
* Copyright (C) 2003-2004 Rok Mandeljc
* Copyright (C) 2014 Michael Stefaniuc
*
* 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
*/
#define COBJMACROS
#include <assert.h>
#include "objbase.h"
#include "dmusici.h"
#include "dmusicf.h"
#include "dmusics.h"
#include "dmobject.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(dmobj);
WINE_DECLARE_DEBUG_CHANNEL(dmfile);
/* Debugging helpers */
const char *debugstr_dmguid(const GUID *id) {
unsigned int i;
#define X(guid) { &guid, #guid }
static const struct {
const GUID *guid;
const char *name;
} guids[] = {
/* CLSIDs */
X(CLSID_AudioVBScript),
X(CLSID_DirectMusic),
X(CLSID_DirectMusicAudioPathConfig),
X(CLSID_DirectMusicAuditionTrack),
X(CLSID_DirectMusicBand),
X(CLSID_DirectMusicBandTrack),
X(CLSID_DirectMusicChordMapTrack),
X(CLSID_DirectMusicChordMap),
X(CLSID_DirectMusicChordTrack),
X(CLSID_DirectMusicCollection),
X(CLSID_DirectMusicCommandTrack),
X(CLSID_DirectMusicComposer),
X(CLSID_DirectMusicContainer),
X(CLSID_DirectMusicGraph),
X(CLSID_DirectMusicLoader),
X(CLSID_DirectMusicLyricsTrack),
X(CLSID_DirectMusicMarkerTrack),
X(CLSID_DirectMusicMelodyFormulationTrack),
X(CLSID_DirectMusicMotifTrack),
X(CLSID_DirectMusicMuteTrack),
X(CLSID_DirectMusicParamControlTrack),
X(CLSID_DirectMusicPatternTrack),
X(CLSID_DirectMusicPerformance),
X(CLSID_DirectMusicScript),
X(CLSID_DirectMusicScriptAutoImpSegment),
X(CLSID_DirectMusicScriptAutoImpPerformance),
X(CLSID_DirectMusicScriptAutoImpSegmentState),
X(CLSID_DirectMusicScriptAutoImpAudioPathConfig),
X(CLSID_DirectMusicScriptAutoImpAudioPath),
X(CLSID_DirectMusicScriptAutoImpSong),
X(CLSID_DirectMusicScriptSourceCodeLoader),
X(CLSID_DirectMusicScriptTrack),
X(CLSID_DirectMusicSection),
X(CLSID_DirectMusicSegment),
X(CLSID_DirectMusicSegmentState),
X(CLSID_DirectMusicSegmentTriggerTrack),
X(CLSID_DirectMusicSegTriggerTrack),
X(CLSID_DirectMusicSeqTrack),
X(CLSID_DirectMusicSignPostTrack),
X(CLSID_DirectMusicSong),
X(CLSID_DirectMusicStyle),
X(CLSID_DirectMusicStyleTrack),
X(CLSID_DirectMusicSynth),
X(CLSID_DirectMusicSynthSink),
X(CLSID_DirectMusicSysExTrack),
X(CLSID_DirectMusicTemplate),
X(CLSID_DirectMusicTempoTrack),
X(CLSID_DirectMusicTimeSigTrack),
X(CLSID_DirectMusicWaveTrack),
X(CLSID_DirectSoundWave),
/* IIDs */
X(IID_IDirectMusic),
X(IID_IDirectMusic2),
X(IID_IDirectMusic8),
X(IID_IDirectMusicAudioPath),
X(IID_IDirectMusicBand),
X(IID_IDirectMusicBuffer),
X(IID_IDirectMusicChordMap),
X(IID_IDirectMusicCollection),
X(IID_IDirectMusicComposer),
X(IID_IDirectMusicContainer),
X(IID_IDirectMusicDownload),
X(IID_IDirectMusicDownloadedInstrument),
X(IID_IDirectMusicGetLoader),
X(IID_IDirectMusicGraph),
X(IID_IDirectMusicInstrument),
X(IID_IDirectMusicLoader),
X(IID_IDirectMusicLoader8),
X(IID_IDirectMusicObject),
X(IID_IDirectMusicPatternTrack),
X(IID_IDirectMusicPerformance),
X(IID_IDirectMusicPerformance2),
X(IID_IDirectMusicPerformance8),
X(IID_IDirectMusicPort),
X(IID_IDirectMusicPortDownload),
X(IID_IDirectMusicScript),
X(IID_IDirectMusicSegment),
X(IID_IDirectMusicSegment2),
X(IID_IDirectMusicSegment8),
X(IID_IDirectMusicSegmentState),
X(IID_IDirectMusicSegmentState8),
X(IID_IDirectMusicStyle),
X(IID_IDirectMusicStyle8),
X(IID_IDirectMusicSynth),
X(IID_IDirectMusicSynth8),
X(IID_IDirectMusicSynthSink),
X(IID_IDirectMusicThru),
X(IID_IDirectMusicTool),
X(IID_IDirectMusicTool8),
X(IID_IDirectMusicTrack),
X(IID_IDirectMusicTrack8),
X(IID_IUnknown),
X(IID_IPersistStream),
X(IID_IStream),
X(IID_IClassFactory),
/* GUIDs */
X(GUID_DirectMusicAllTypes),
X(GUID_NOTIFICATION_CHORD),
X(GUID_NOTIFICATION_COMMAND),
X(GUID_NOTIFICATION_MEASUREANDBEAT),
X(GUID_NOTIFICATION_PERFORMANCE),
X(GUID_NOTIFICATION_RECOMPOSE),
X(GUID_NOTIFICATION_SEGMENT),
X(GUID_BandParam),
X(GUID_ChordParam),
X(GUID_CommandParam),
X(GUID_CommandParam2),
X(GUID_CommandParamNext),
X(GUID_IDirectMusicBand),
X(GUID_IDirectMusicChordMap),
X(GUID_IDirectMusicStyle),
X(GUID_MuteParam),
X(GUID_Play_Marker),
X(GUID_RhythmParam),
X(GUID_TempoParam),
X(GUID_TimeSignature),
X(GUID_Valid_Start_Time),
X(GUID_Clear_All_Bands),
X(GUID_ConnectToDLSCollection),
X(GUID_Disable_Auto_Download),
X(GUID_DisableTempo),
X(GUID_DisableTimeSig),
X(GUID_Download),
X(GUID_DownloadToAudioPath),
X(GUID_Enable_Auto_Download),
X(GUID_EnableTempo),
X(GUID_EnableTimeSig),
X(GUID_IgnoreBankSelectForGM),
X(GUID_SeedVariations),
X(GUID_StandardMIDIFile),
X(GUID_Unload),
X(GUID_UnloadFromAudioPath),
X(GUID_Variations),
X(GUID_PerfMasterTempo),
X(GUID_PerfMasterVolume),
X(GUID_PerfMasterGrooveLevel),
X(GUID_PerfAutoDownload),
X(GUID_DefaultGMCollection),
X(GUID_Synth_Default),
X(GUID_Buffer_Reverb),
X(GUID_Buffer_EnvReverb),
X(GUID_Buffer_Stereo),
X(GUID_Buffer_3D_Dry),
X(GUID_Buffer_Mono),
X(GUID_DMUS_PROP_GM_Hardware),
X(GUID_DMUS_PROP_GS_Capable),
X(GUID_DMUS_PROP_GS_Hardware),
X(GUID_DMUS_PROP_DLS1),
X(GUID_DMUS_PROP_DLS2),
X(GUID_DMUS_PROP_Effects),
X(GUID_DMUS_PROP_INSTRUMENT2),
X(GUID_DMUS_PROP_LegacyCaps),
X(GUID_DMUS_PROP_MemorySize),
X(GUID_DMUS_PROP_SampleMemorySize),
X(GUID_DMUS_PROP_SamplePlaybackRate),
X(GUID_DMUS_PROP_SetSynthSink),
X(GUID_DMUS_PROP_SinkUsesDSound),
X(GUID_DMUS_PROP_SynthSink_DSOUND),
X(GUID_DMUS_PROP_SynthSink_WAVE),
X(GUID_DMUS_PROP_Volume),
X(GUID_DMUS_PROP_WavesReverb),
X(GUID_DMUS_PROP_WriteLatency),
X(GUID_DMUS_PROP_WritePeriod),
X(GUID_DMUS_PROP_XG_Capable),
X(GUID_DMUS_PROP_XG_Hardware)
};
#undef X
if (!id)
return "(null)";
for (i = 0; i < ARRAY_SIZE(guids); i++)
if (IsEqualGUID(id, guids[i].guid))
return guids[i].name;
return debugstr_guid(id);
}
void dump_DMUS_OBJECTDESC(DMUS_OBJECTDESC *desc)
{
if (!desc || !TRACE_ON(dmfile))
return;
TRACE_(dmfile)("DMUS_OBJECTDESC (%p):", desc);
TRACE_(dmfile)(" - dwSize = %u\n", desc->dwSize);
#define X(flag) if (desc->dwValidData & flag) TRACE_(dmfile)(#flag " ")
TRACE_(dmfile)(" - dwValidData = %#08x ( ", desc->dwValidData);
X(DMUS_OBJ_OBJECT);
X(DMUS_OBJ_CLASS);
X(DMUS_OBJ_NAME);
X(DMUS_OBJ_CATEGORY);
X(DMUS_OBJ_FILENAME);
X(DMUS_OBJ_FULLPATH);
X(DMUS_OBJ_URL);
X(DMUS_OBJ_VERSION);
X(DMUS_OBJ_DATE);
X(DMUS_OBJ_LOADED);
X(DMUS_OBJ_MEMORY);
X(DMUS_OBJ_STREAM);
TRACE_(dmfile)(")\n");
#undef X
if (desc->dwValidData & DMUS_OBJ_CLASS)
TRACE_(dmfile)(" - guidClass = %s\n", debugstr_dmguid(&desc->guidClass));
if (desc->dwValidData & DMUS_OBJ_OBJECT)
TRACE_(dmfile)(" - guidObject = %s\n", debugstr_guid(&desc->guidObject));
if (desc->dwValidData & DMUS_OBJ_DATE) {
SYSTEMTIME time;
FileTimeToSystemTime(&desc->ftDate, &time);
TRACE_(dmfile)(" - ftDate = \'%04u-%02u-%02u %02u:%02u:%02u\'\n",
time.wYear, time.wMonth, time.wDay, time.wHour, time.wMinute, time.wSecond);
}
if (desc->dwValidData & DMUS_OBJ_VERSION)
TRACE_(dmfile)(" - vVersion = \'%u,%u,%u,%u\'\n",
HIWORD(desc->vVersion.dwVersionMS), LOWORD(desc->vVersion.dwVersionMS),
HIWORD(desc->vVersion.dwVersionLS), LOWORD(desc->vVersion.dwVersionLS));
if (desc->dwValidData & DMUS_OBJ_NAME)
TRACE_(dmfile)(" - wszName = %s\n", debugstr_w(desc->wszName));
if (desc->dwValidData & DMUS_OBJ_CATEGORY)
TRACE_(dmfile)(" - wszCategory = %s\n", debugstr_w(desc->wszCategory));
if (desc->dwValidData & DMUS_OBJ_FILENAME)
TRACE_(dmfile)(" - wszFileName = %s\n", debugstr_w(desc->wszFileName));
if (desc->dwValidData & DMUS_OBJ_MEMORY)
TRACE_(dmfile)(" - llMemLength = 0x%s - pbMemData = %p\n",
wine_dbgstr_longlong(desc->llMemLength), desc->pbMemData);
if (desc->dwValidData & DMUS_OBJ_STREAM)
TRACE_(dmfile)(" - pStream = %p\n", desc->pStream);
}
/* RIFF format parsing */
#define CHUNK_HDR_SIZE (sizeof(FOURCC) + sizeof(DWORD))
const char *debugstr_chunk(const struct chunk_entry *chunk)
{
const char *type = "";
if (!chunk)
return "(null)";
if (chunk->id == FOURCC_RIFF || chunk->id == FOURCC_LIST)
type = wine_dbg_sprintf("type %s, ", debugstr_fourcc(chunk->type));
return wine_dbg_sprintf("%s chunk, %ssize %u", debugstr_fourcc(chunk->id), type, chunk->size);
}
static HRESULT stream_read(IStream *stream, void *data, ULONG size)
{
ULONG read;
HRESULT hr;
hr = IStream_Read(stream, data, size, &read);
if (FAILED(hr))
TRACE_(dmfile)("IStream_Read failed: %08x\n", hr);
else if (!read && read < size) {
/* All or nothing: Handle a partial read due to end of stream as an error */
TRACE_(dmfile)("Short read: %u < %u\n", read, size);
return E_FAIL;
}
return hr;
}
HRESULT stream_get_chunk(IStream *stream, struct chunk_entry *chunk)
{
static const LARGE_INTEGER zero;
ULONGLONG ck_end = 0, p_end = 0;
HRESULT hr;
hr = IStream_Seek(stream, zero, STREAM_SEEK_CUR, &chunk->offset);
if (FAILED(hr))
return hr;
assert(!(chunk->offset.QuadPart & 1));
if (chunk->parent) {
p_end = chunk->parent->offset.QuadPart + CHUNK_HDR_SIZE + ((chunk->parent->size + 1) & ~1);
if (chunk->offset.QuadPart == p_end)
return S_FALSE;
ck_end = chunk->offset.QuadPart + CHUNK_HDR_SIZE;
if (ck_end > p_end) {
WARN_(dmfile)("No space for sub-chunk header in parent chunk: ends at offset %s > %s\n",
wine_dbgstr_longlong(ck_end), wine_dbgstr_longlong(p_end));
return E_FAIL;
}
}
hr = stream_read(stream, chunk, CHUNK_HDR_SIZE);
if (hr != S_OK)
return hr;
if (chunk->parent) {
ck_end += (chunk->size + 1) & ~1;
if (ck_end > p_end) {
WARN_(dmfile)("No space for sub-chunk data in parent chunk: ends at offset %s > %s\n",
wine_dbgstr_longlong(ck_end), wine_dbgstr_longlong(p_end));
return E_FAIL;
}
}
if (chunk->id == FOURCC_LIST || chunk->id == FOURCC_RIFF) {
hr = stream_read(stream, &chunk->type, sizeof(FOURCC));
if (hr != S_OK)
return hr != S_FALSE ? hr : E_FAIL;
}
TRACE_(dmfile)("Returning %s\n", debugstr_chunk(chunk));
return S_OK;
}
HRESULT stream_skip_chunk(IStream *stream, struct chunk_entry *chunk)
{
LARGE_INTEGER end;
end.QuadPart = (chunk->offset.QuadPart + CHUNK_HDR_SIZE + chunk->size + 1) & ~(ULONGLONG)1;
return IStream_Seek(stream, end, STREAM_SEEK_SET, NULL);
}
HRESULT stream_next_chunk(IStream *stream, struct chunk_entry *chunk)
{
HRESULT hr;
if (chunk->id) {
hr = stream_skip_chunk(stream, chunk);
if (FAILED(hr))
return hr;
}
return stream_get_chunk(stream, chunk);
}
HRESULT stream_chunk_get_data(IStream *stream, const struct chunk_entry *chunk, void *data,
ULONG size)
{
if (chunk->size != size) {
WARN_(dmfile)("Chunk %s (size %u, offset %s) doesn't contains the expected data size %u\n",
debugstr_fourcc(chunk->id), chunk->size,
wine_dbgstr_longlong(chunk->offset.QuadPart), size);
return E_FAIL;
}
return stream_read(stream, data, size);
}
HRESULT stream_chunk_get_wstr(IStream *stream, const struct chunk_entry *chunk, WCHAR *str,
ULONG size)
{
ULONG len;
HRESULT hr;
hr = IStream_Read(stream, str, min(chunk->size, size), &len);
if (FAILED(hr))
return hr;
/* Don't assume the string is properly zero terminated */
str[min(len, size - 1)] = 0;
if (len < chunk->size)
return S_FALSE;
return S_OK;
}
/* Generic IDirectMusicObject methods */
static inline struct dmobject *impl_from_IDirectMusicObject(IDirectMusicObject *iface)
{
return CONTAINING_RECORD(iface, struct dmobject, IDirectMusicObject_iface);
}
HRESULT WINAPI dmobj_IDirectMusicObject_QueryInterface(IDirectMusicObject *iface, REFIID riid,
void **ret_iface)
{
struct dmobject *This = impl_from_IDirectMusicObject(iface);
return IUnknown_QueryInterface(This->outer_unk, riid, ret_iface);
}
ULONG WINAPI dmobj_IDirectMusicObject_AddRef(IDirectMusicObject *iface)
{
struct dmobject *This = impl_from_IDirectMusicObject(iface);
return IUnknown_AddRef(This->outer_unk);
}
ULONG WINAPI dmobj_IDirectMusicObject_Release(IDirectMusicObject *iface)
{
struct dmobject *This = impl_from_IDirectMusicObject(iface);
return IUnknown_Release(This->outer_unk);
}
HRESULT WINAPI dmobj_IDirectMusicObject_GetDescriptor(IDirectMusicObject *iface,
DMUS_OBJECTDESC *desc)
{
struct dmobject *This = impl_from_IDirectMusicObject(iface);
TRACE("(%p/%p)->(%p)\n", iface, This, desc);
if (!desc)
return E_POINTER;
memcpy(desc, &This->desc, This->desc.dwSize);
return S_OK;
}
HRESULT WINAPI dmobj_IDirectMusicObject_SetDescriptor(IDirectMusicObject *iface,
DMUS_OBJECTDESC *desc)
{
struct dmobject *This = impl_from_IDirectMusicObject(iface);
HRESULT ret = S_OK;
TRACE("(%p, %p)\n", iface, desc);
if (!desc)
return E_POINTER;
/* Immutable property */
if (desc->dwValidData & DMUS_OBJ_CLASS)
{
desc->dwValidData &= ~DMUS_OBJ_CLASS;
ret = S_FALSE;
}
/* Set only valid fields */
if (desc->dwValidData & DMUS_OBJ_OBJECT)
This->desc.guidObject = desc->guidObject;
if (desc->dwValidData & DMUS_OBJ_NAME)
lstrcpynW(This->desc.wszName, desc->wszName, DMUS_MAX_NAME);
if (desc->dwValidData & DMUS_OBJ_CATEGORY)
lstrcpynW(This->desc.wszCategory, desc->wszCategory, DMUS_MAX_CATEGORY);
if (desc->dwValidData & DMUS_OBJ_FILENAME)
lstrcpynW(This->desc.wszFileName, desc->wszFileName, DMUS_MAX_FILENAME);
if (desc->dwValidData & DMUS_OBJ_VERSION)
This->desc.vVersion = desc->vVersion;
if (desc->dwValidData & DMUS_OBJ_DATE)
This->desc.ftDate = desc->ftDate;
if (desc->dwValidData & DMUS_OBJ_MEMORY) {
This->desc.llMemLength = desc->llMemLength;
memcpy(This->desc.pbMemData, desc->pbMemData, desc->llMemLength);
}
if (desc->dwValidData & DMUS_OBJ_STREAM)
IStream_Clone(desc->pStream, &This->desc.pStream);
This->desc.dwValidData |= desc->dwValidData;
return ret;
}
/* Helper for IDirectMusicObject::ParseDescriptor */
static inline void info_get_name(IStream *stream, const struct chunk_entry *info,
DMUS_OBJECTDESC *desc)
{
struct chunk_entry chunk = {.parent = info};
char name[DMUS_MAX_NAME];
ULONG len;
HRESULT hr = E_FAIL;
while (stream_next_chunk(stream, &chunk) == S_OK)
if (chunk.id == mmioFOURCC('I','N','A','M'))
hr = IStream_Read(stream, name, min(chunk.size, sizeof(name)), &len);
if (SUCCEEDED(hr)) {
len = MultiByteToWideChar(CP_ACP, 0, name, len, desc->wszName, sizeof(desc->wszName));
desc->wszName[min(len, sizeof(desc->wszName) - 1)] = 0;
desc->dwValidData |= DMUS_OBJ_NAME;
}
}
static inline void unfo_get_name(IStream *stream, const struct chunk_entry *unfo,
DMUS_OBJECTDESC *desc, BOOL inam)
{
struct chunk_entry chunk = {.parent = unfo};
while (stream_next_chunk(stream, &chunk) == S_OK)
if (chunk.id == DMUS_FOURCC_UNAM_CHUNK || (inam && chunk.id == mmioFOURCC('I','N','A','M')))
if (stream_chunk_get_wstr(stream, &chunk, desc->wszName, sizeof(desc->wszName)) == S_OK)
desc->dwValidData |= DMUS_OBJ_NAME;
}
HRESULT dmobj_parsedescriptor(IStream *stream, const struct chunk_entry *riff,
DMUS_OBJECTDESC *desc, DWORD supported)
{
struct chunk_entry chunk = {.parent = riff};
HRESULT hr;
TRACE("Looking for %#x in %p: %s\n", supported, stream, debugstr_chunk(riff));
desc->dwValidData = 0;
desc->dwSize = sizeof(*desc);
while ((hr = stream_next_chunk(stream, &chunk)) == S_OK) {
switch (chunk.id) {
case DMUS_FOURCC_CATEGORY_CHUNK:
if ((supported & DMUS_OBJ_CATEGORY) && stream_chunk_get_wstr(stream, &chunk,
desc->wszCategory, sizeof(desc->wszCategory)) == S_OK)
desc->dwValidData |= DMUS_OBJ_CATEGORY;
break;
case DMUS_FOURCC_DATE_CHUNK:
if ((supported & DMUS_OBJ_DATE) && stream_chunk_get_data(stream, &chunk,
&desc->ftDate, sizeof(desc->ftDate)) == S_OK)
desc->dwValidData |= DMUS_OBJ_DATE;
break;
case DMUS_FOURCC_FILE_CHUNK:
if ((supported & DMUS_OBJ_FILENAME) && stream_chunk_get_wstr(stream, &chunk,
desc->wszFileName, sizeof(desc->wszFileName)) == S_OK)
desc->dwValidData |= DMUS_OBJ_FILENAME;
break;
case DMUS_FOURCC_GUID_CHUNK:
if ((supported & DMUS_OBJ_OBJECT) && stream_chunk_get_data(stream, &chunk,
&desc->guidObject, sizeof(desc->guidObject)) == S_OK)
desc->dwValidData |= DMUS_OBJ_OBJECT;
break;
case DMUS_FOURCC_NAME_CHUNK:
if ((supported & DMUS_OBJ_NAME) && stream_chunk_get_wstr(stream, &chunk,
desc->wszName, sizeof(desc->wszName)) == S_OK)
desc->dwValidData |= DMUS_OBJ_NAME;
break;
case DMUS_FOURCC_VERSION_CHUNK:
if ((supported & DMUS_OBJ_VERSION) && stream_chunk_get_data(stream, &chunk,
&desc->vVersion, sizeof(desc->vVersion)) == S_OK)
desc->dwValidData |= DMUS_OBJ_VERSION;
break;
case FOURCC_LIST:
if (chunk.type == DMUS_FOURCC_UNFO_LIST && (supported & DMUS_OBJ_NAME))
unfo_get_name(stream, &chunk, desc, supported & DMUS_OBJ_NAME_INAM);
else if (chunk.type == DMUS_FOURCC_INFO_LIST && (supported & DMUS_OBJ_NAME_INFO))
info_get_name(stream, &chunk, desc);
break;
}
}
TRACE("Found %#x\n", desc->dwValidData);
return hr;
}
/* Generic IPersistStream methods */
static inline struct dmobject *impl_from_IPersistStream(IPersistStream *iface)
{
return CONTAINING_RECORD(iface, struct dmobject, IPersistStream_iface);
}
HRESULT WINAPI dmobj_IPersistStream_QueryInterface(IPersistStream *iface, REFIID riid,
void **ret_iface)
{
struct dmobject *This = impl_from_IPersistStream(iface);
return IUnknown_QueryInterface(This->outer_unk, riid, ret_iface);
}
ULONG WINAPI dmobj_IPersistStream_AddRef(IPersistStream *iface)
{
struct dmobject *This = impl_from_IPersistStream(iface);
return IUnknown_AddRef(This->outer_unk);
}
ULONG WINAPI dmobj_IPersistStream_Release(IPersistStream *iface)
{
struct dmobject *This = impl_from_IPersistStream(iface);
return IUnknown_Release(This->outer_unk);
}
HRESULT WINAPI dmobj_IPersistStream_GetClassID(IPersistStream *iface, CLSID *class)
{
struct dmobject *This = impl_from_IPersistStream(iface);
TRACE("(%p, %p)\n", This, class);
if (!class)
return E_POINTER;
*class = This->desc.guidClass;
return S_OK;
}
/* IPersistStream methods not implemented in native */
HRESULT WINAPI unimpl_IPersistStream_GetClassID(IPersistStream *iface, CLSID *class)
{
TRACE("(%p, %p): method not implemented\n", iface, class);
return E_NOTIMPL;
}
HRESULT WINAPI unimpl_IPersistStream_IsDirty(IPersistStream *iface)
{
TRACE("(%p): method not implemented, always returning S_FALSE\n", iface);
return S_FALSE;
}
HRESULT WINAPI unimpl_IPersistStream_Save(IPersistStream *iface, IStream *stream,
BOOL clear_dirty)
{
TRACE("(%p, %p, %d): method not implemented\n", iface, stream, clear_dirty);
return E_NOTIMPL;
}
HRESULT WINAPI unimpl_IPersistStream_GetSizeMax(IPersistStream *iface, ULARGE_INTEGER *size)
{
TRACE("(%p, %p): method not implemented\n", iface, size);
return E_NOTIMPL;
}
void dmobject_init(struct dmobject *dmobj, const GUID *class, IUnknown *outer_unk)
{
dmobj->outer_unk = outer_unk;
dmobj->desc.dwSize = sizeof(dmobj->desc);
dmobj->desc.dwValidData = DMUS_OBJ_CLASS;
dmobj->desc.guidClass = *class;
}