Sweden-Number/dlls/dswave/dswave.c

199 lines
6.4 KiB
C
Raw Normal View History

/* IDirectMusicWave 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 "dswave_private.h"
#include "dmobject.h"
WINE_DEFAULT_DEBUG_CHANNEL(dswave);
/* an interface that is, according to my tests, obtained by loader after loading object; is it acting
as some sort of bridge between object and loader? */
static const GUID IID_IDirectMusicWavePRIVATE = {0x69e934e4,0x97f1,0x4f1d,{0x88,0xe8,0xf2,0xac,0x88,0x67,0x13,0x27}};
/*****************************************************************************
* IDirectMusicWaveImpl implementation
*/
typedef struct IDirectMusicWaveImpl {
IUnknown IUnknown_iface;
struct dmobject dmobj;
LONG ref;
} IDirectMusicWaveImpl;
/* IDirectMusicWaveImpl IUnknown part: */
static inline IDirectMusicWaveImpl *impl_from_IUnknown(IUnknown *iface)
{
return CONTAINING_RECORD(iface, IDirectMusicWaveImpl, IUnknown_iface);
}
static HRESULT WINAPI IUnknownImpl_QueryInterface(IUnknown *iface, REFIID riid, void **ret_iface)
{
IDirectMusicWaveImpl *This = impl_from_IUnknown(iface);
TRACE("(%p, %s, %p)\n", This, debugstr_dmguid(riid), ret_iface);
*ret_iface = NULL;
if (IsEqualIID(riid, &IID_IUnknown))
*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 if (IsEqualIID(riid, &IID_IDirectMusicWavePRIVATE)) {
FIXME("(%p, %s, %p): Unsupported private interface\n", This, debugstr_guid(riid), ret_iface);
return E_NOINTERFACE;
} 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 IUnknownImpl_AddRef(IUnknown *iface)
{
IDirectMusicWaveImpl *This = impl_from_IUnknown(iface);
LONG ref = InterlockedIncrement(&This->ref);
TRACE("(%p) ref=%ld\n", This, ref);
return ref;
}
static ULONG WINAPI IUnknownImpl_Release(IUnknown *iface)
{
IDirectMusicWaveImpl *This = impl_from_IUnknown(iface);
LONG ref = InterlockedDecrement(&This->ref);
TRACE("(%p) ref=%ld\n", This, ref);
if (!ref) {
HeapFree(GetProcessHeap(), 0, This);
DSWAVE_UnlockModule();
}
return ref;
}
static const IUnknownVtbl unknown_vtbl = {
IUnknownImpl_QueryInterface,
IUnknownImpl_AddRef,
IUnknownImpl_Release
};
/* IDirectMusicWaveImpl IDirectMusicObject part: */
static HRESULT WINAPI wave_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 != mmioFOURCC('W','A','V','E')) {
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_NAME_INFO | DMUS_OBJ_OBJECT | DMUS_OBJ_VERSION);
if (FAILED(hr))
return hr;
TRACE("returning descriptor:\n");
dump_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,
wave_IDirectMusicObject_ParseDescriptor
};
/* IDirectMusicWaveImpl IPersistStream part: */
static inline IDirectMusicWaveImpl *impl_from_IPersistStream(IPersistStream *iface)
{
return CONTAINING_RECORD(iface, IDirectMusicWaveImpl, dmobj.IPersistStream_iface);
}
static HRESULT WINAPI wave_IPersistStream_Load(IPersistStream *iface, IStream *stream)
{
IDirectMusicWaveImpl *This = impl_from_IPersistStream(iface);
struct chunk_entry riff = {0};
/* Without the private interface the implementation should go to dmime/segment.c */
FIXME("(%p, %p): loading not implemented (only descriptor is loaded)\n", This, stream);
if (!stream)
return E_POINTER;
if (stream_get_chunk(stream, &riff) != S_OK || riff.id != FOURCC_RIFF ||
riff.type != mmioFOURCC('W','A','V','E'))
return DMUS_E_UNSUPPORTED_STREAM;
stream_reset_chunk_start(stream, &riff);
return IDirectMusicObject_ParseDescriptor(&This->dmobj.IDirectMusicObject_iface, stream,
&This->dmobj.desc);
}
static const IPersistStreamVtbl persiststream_vtbl = {
dmobj_IPersistStream_QueryInterface,
dmobj_IPersistStream_AddRef,
dmobj_IPersistStream_Release,
dmobj_IPersistStream_GetClassID,
unimpl_IPersistStream_IsDirty,
wave_IPersistStream_Load,
unimpl_IPersistStream_Save,
unimpl_IPersistStream_GetSizeMax
};
/* for ClassFactory */
HRESULT WINAPI create_dswave(REFIID lpcGUID, void **ppobj)
{
IDirectMusicWaveImpl *obj;
HRESULT hr;
obj = HeapAlloc(GetProcessHeap(), 0, sizeof(IDirectMusicWaveImpl));
if (!obj) {
*ppobj = NULL;
return E_OUTOFMEMORY;
}
obj->IUnknown_iface.lpVtbl = &unknown_vtbl;
obj->ref = 1;
dmobject_init(&obj->dmobj, &CLSID_DirectSoundWave, &obj->IUnknown_iface);
obj->dmobj.IDirectMusicObject_iface.lpVtbl = &dmobject_vtbl;
obj->dmobj.IPersistStream_iface.lpVtbl = &persiststream_vtbl;
DSWAVE_LockModule();
hr = IUnknown_QueryInterface(&obj->IUnknown_iface, lpcGUID, ppobj);
IUnknown_Release(&obj->IUnknown_iface);
return hr;
}