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![Michael Stefaniuc](/assets/img/avatar_default.png)
Signed-off-by: Michael Stefaniuc <mstefani@winehq.org> Signed-off-by: Alexandre Julliard <julliard@winehq.org>
199 lines
6.4 KiB
C
199 lines
6.4 KiB
C
/* IDirectMusicWave Implementation
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*
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* Copyright (C) 2003-2004 Rok Mandeljc
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "dswave_private.h"
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#include "dmobject.h"
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WINE_DEFAULT_DEBUG_CHANNEL(dswave);
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/* an interface that is, according to my tests, obtained by loader after loading object; is it acting
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as some sort of bridge between object and loader? */
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static const GUID IID_IDirectMusicWavePRIVATE = {0x69e934e4,0x97f1,0x4f1d,{0x88,0xe8,0xf2,0xac,0x88,0x67,0x13,0x27}};
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/*****************************************************************************
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* IDirectMusicWaveImpl implementation
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*/
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typedef struct IDirectMusicWaveImpl {
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IUnknown IUnknown_iface;
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struct dmobject dmobj;
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LONG ref;
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} IDirectMusicWaveImpl;
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/* IDirectMusicWaveImpl IUnknown part: */
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static inline IDirectMusicWaveImpl *impl_from_IUnknown(IUnknown *iface)
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{
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return CONTAINING_RECORD(iface, IDirectMusicWaveImpl, IUnknown_iface);
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}
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static HRESULT WINAPI IUnknownImpl_QueryInterface(IUnknown *iface, REFIID riid, void **ret_iface)
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{
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IDirectMusicWaveImpl *This = impl_from_IUnknown(iface);
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TRACE("(%p, %s, %p)\n", This, debugstr_dmguid(riid), ret_iface);
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*ret_iface = NULL;
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if (IsEqualIID(riid, &IID_IUnknown))
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*ret_iface = iface;
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else if (IsEqualIID(riid, &IID_IDirectMusicObject))
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*ret_iface = &This->dmobj.IDirectMusicObject_iface;
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else if (IsEqualIID(riid, &IID_IPersistStream))
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*ret_iface = &This->dmobj.IPersistStream_iface;
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else if (IsEqualIID(riid, &IID_IDirectMusicWavePRIVATE)) {
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FIXME("(%p, %s, %p): Unsupported private interface\n", This, debugstr_guid(riid), ret_iface);
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return E_NOINTERFACE;
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} else {
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WARN("(%p, %s, %p): not found\n", This, debugstr_dmguid(riid), ret_iface);
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return E_NOINTERFACE;
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}
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IUnknown_AddRef((IUnknown*)*ret_iface);
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return S_OK;
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}
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static ULONG WINAPI IUnknownImpl_AddRef(IUnknown *iface)
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{
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IDirectMusicWaveImpl *This = impl_from_IUnknown(iface);
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LONG ref = InterlockedIncrement(&This->ref);
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TRACE("(%p) ref=%ld\n", This, ref);
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return ref;
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}
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static ULONG WINAPI IUnknownImpl_Release(IUnknown *iface)
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{
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IDirectMusicWaveImpl *This = impl_from_IUnknown(iface);
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LONG ref = InterlockedDecrement(&This->ref);
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TRACE("(%p) ref=%ld\n", This, ref);
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if (!ref) {
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HeapFree(GetProcessHeap(), 0, This);
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DSWAVE_UnlockModule();
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}
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return ref;
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}
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static const IUnknownVtbl unknown_vtbl = {
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IUnknownImpl_QueryInterface,
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IUnknownImpl_AddRef,
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IUnknownImpl_Release
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};
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/* IDirectMusicWaveImpl IDirectMusicObject part: */
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static HRESULT WINAPI wave_IDirectMusicObject_ParseDescriptor(IDirectMusicObject *iface,
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IStream *stream, DMUS_OBJECTDESC *desc)
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{
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struct chunk_entry riff = {0};
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HRESULT hr;
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TRACE("(%p, %p, %p)\n", iface, stream, desc);
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if (!stream || !desc)
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return E_POINTER;
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if ((hr = stream_get_chunk(stream, &riff)) != S_OK)
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return hr;
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if (riff.id != FOURCC_RIFF || riff.type != mmioFOURCC('W','A','V','E')) {
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TRACE("loading failed: unexpected %s\n", debugstr_chunk(&riff));
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stream_skip_chunk(stream, &riff);
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return DMUS_E_CHUNKNOTFOUND;
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}
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hr = dmobj_parsedescriptor(stream, &riff, desc,
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DMUS_OBJ_NAME_INFO | DMUS_OBJ_OBJECT | DMUS_OBJ_VERSION);
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if (FAILED(hr))
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return hr;
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TRACE("returning descriptor:\n");
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dump_DMUS_OBJECTDESC(desc);
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return S_OK;
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}
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static const IDirectMusicObjectVtbl dmobject_vtbl = {
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dmobj_IDirectMusicObject_QueryInterface,
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dmobj_IDirectMusicObject_AddRef,
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dmobj_IDirectMusicObject_Release,
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dmobj_IDirectMusicObject_GetDescriptor,
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dmobj_IDirectMusicObject_SetDescriptor,
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wave_IDirectMusicObject_ParseDescriptor
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};
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/* IDirectMusicWaveImpl IPersistStream part: */
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static inline IDirectMusicWaveImpl *impl_from_IPersistStream(IPersistStream *iface)
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{
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return CONTAINING_RECORD(iface, IDirectMusicWaveImpl, dmobj.IPersistStream_iface);
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}
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static HRESULT WINAPI wave_IPersistStream_Load(IPersistStream *iface, IStream *stream)
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{
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IDirectMusicWaveImpl *This = impl_from_IPersistStream(iface);
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struct chunk_entry riff = {0};
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/* Without the private interface the implementation should go to dmime/segment.c */
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FIXME("(%p, %p): loading not implemented (only descriptor is loaded)\n", This, stream);
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if (!stream)
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return E_POINTER;
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if (stream_get_chunk(stream, &riff) != S_OK || riff.id != FOURCC_RIFF ||
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riff.type != mmioFOURCC('W','A','V','E'))
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return DMUS_E_UNSUPPORTED_STREAM;
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stream_reset_chunk_start(stream, &riff);
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return IDirectMusicObject_ParseDescriptor(&This->dmobj.IDirectMusicObject_iface, stream,
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&This->dmobj.desc);
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}
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static const IPersistStreamVtbl persiststream_vtbl = {
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dmobj_IPersistStream_QueryInterface,
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dmobj_IPersistStream_AddRef,
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dmobj_IPersistStream_Release,
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dmobj_IPersistStream_GetClassID,
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unimpl_IPersistStream_IsDirty,
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wave_IPersistStream_Load,
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unimpl_IPersistStream_Save,
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unimpl_IPersistStream_GetSizeMax
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};
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/* for ClassFactory */
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HRESULT WINAPI create_dswave(REFIID lpcGUID, void **ppobj)
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{
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IDirectMusicWaveImpl *obj;
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HRESULT hr;
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obj = HeapAlloc(GetProcessHeap(), 0, sizeof(IDirectMusicWaveImpl));
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if (!obj) {
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*ppobj = NULL;
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return E_OUTOFMEMORY;
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}
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obj->IUnknown_iface.lpVtbl = &unknown_vtbl;
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obj->ref = 1;
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dmobject_init(&obj->dmobj, &CLSID_DirectSoundWave, &obj->IUnknown_iface);
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obj->dmobj.IDirectMusicObject_iface.lpVtbl = &dmobject_vtbl;
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obj->dmobj.IPersistStream_iface.lpVtbl = &persiststream_vtbl;
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DSWAVE_LockModule();
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hr = IUnknown_QueryInterface(&obj->IUnknown_iface, lpcGUID, ppobj);
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IUnknown_Release(&obj->IUnknown_iface);
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return hr;
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}
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