404 lines
18 KiB
C
404 lines
18 KiB
C
/* IDirectMusicChordTrack Implementation
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*
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* Copyright (C) 2003-2004 Rok Mandeljc
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* Copyright (C) 2003-2004 Raphael Junqueira
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (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
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* GNU Library General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "dmstyle_private.h"
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WINE_DEFAULT_DEBUG_CHANNEL(dmstyle);
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WINE_DECLARE_DEBUG_CHANNEL(dmfile);
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/*****************************************************************************
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* IDirectMusicChordTrack implementation
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*/
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/* IDirectMusicChordTrack IUnknown part: */
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HRESULT WINAPI IDirectMusicChordTrack_IUnknown_QueryInterface (LPUNKNOWN iface, REFIID riid, LPVOID *ppobj) {
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ICOM_THIS_MULTI(IDirectMusicChordTrack, UnknownVtbl, iface);
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TRACE("(%p, %s, %p)\n", This, debugstr_dmguid(riid), ppobj);
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if (IsEqualIID (riid, &IID_IUnknown)) {
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*ppobj = (LPUNKNOWN)&This->UnknownVtbl;
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IDirectMusicChordTrack_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
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return S_OK;
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} else if (IsEqualIID (riid, &IID_IDirectMusicTrack)
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|| IsEqualIID (riid, &IID_IDirectMusicTrack8)) {
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*ppobj = (LPDIRECTMUSICTRACK8)&This->TrackVtbl;
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IDirectMusicChordTrack_IDirectMusicTrack_AddRef ((LPDIRECTMUSICTRACK8)&This->TrackVtbl);
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return S_OK;
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} else if (IsEqualIID (riid, &IID_IPersistStream)) {
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*ppobj = (LPPERSISTSTREAM)&This->PersistStreamVtbl;
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IDirectMusicChordTrack_IPersistStream_AddRef ((LPPERSISTSTREAM)&This->PersistStreamVtbl);
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return S_OK;
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}
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WARN("(%p, %s, %p): not found\n", This, debugstr_dmguid(riid), ppobj);
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return E_NOINTERFACE;
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}
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ULONG WINAPI IDirectMusicChordTrack_IUnknown_AddRef (LPUNKNOWN iface) {
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ICOM_THIS_MULTI(IDirectMusicChordTrack, UnknownVtbl, iface);
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TRACE("(%p): AddRef from %ld\n", This, This->ref);
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return ++(This->ref);
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}
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ULONG WINAPI IDirectMusicChordTrack_IUnknown_Release (LPUNKNOWN iface) {
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ICOM_THIS_MULTI(IDirectMusicChordTrack, UnknownVtbl, iface);
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ULONG ref = --This->ref;
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TRACE("(%p): ReleaseRef to %ld\n", This, This->ref);
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if (ref == 0) {
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HeapFree(GetProcessHeap(), 0, This);
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}
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return ref;
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}
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IUnknownVtbl DirectMusicChordTrack_Unknown_Vtbl = {
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IDirectMusicChordTrack_IUnknown_QueryInterface,
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IDirectMusicChordTrack_IUnknown_AddRef,
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IDirectMusicChordTrack_IUnknown_Release
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};
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/* IDirectMusicChordTrack IDirectMusicTrack8 part: */
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HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_QueryInterface (LPDIRECTMUSICTRACK8 iface, REFIID riid, LPVOID *ppobj) {
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ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
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return IDirectMusicChordTrack_IUnknown_QueryInterface ((LPUNKNOWN)&This->UnknownVtbl, riid, ppobj);
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}
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ULONG WINAPI IDirectMusicChordTrack_IDirectMusicTrack_AddRef (LPDIRECTMUSICTRACK8 iface) {
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ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
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return IDirectMusicChordTrack_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
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}
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ULONG WINAPI IDirectMusicChordTrack_IDirectMusicTrack_Release (LPDIRECTMUSICTRACK8 iface) {
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ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
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return IDirectMusicChordTrack_IUnknown_Release ((LPUNKNOWN)&This->UnknownVtbl);
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}
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HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_Init (LPDIRECTMUSICTRACK8 iface, IDirectMusicSegment* pSegment) {
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ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
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FIXME("(%p, %p): stub\n", This, pSegment);
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return S_OK;
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}
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HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_InitPlay (LPDIRECTMUSICTRACK8 iface, IDirectMusicSegmentState* pSegmentState, IDirectMusicPerformance* pPerformance, void** ppStateData, DWORD dwVirtualTrack8ID, DWORD dwFlags)
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{
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ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
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FIXME("(%p, %p, %p, %p, %ld, %ld): stub\n", This, pSegmentState, pPerformance, ppStateData, dwVirtualTrack8ID, dwFlags);
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return S_OK;
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}
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HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_EndPlay (LPDIRECTMUSICTRACK8 iface, void* pStateData)
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{
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ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
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FIXME("(%p, %p): stub\n", This, pStateData);
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return S_OK;
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}
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HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_Play (LPDIRECTMUSICTRACK8 iface, void* pStateData, MUSIC_TIME mtStart, MUSIC_TIME mtEnd, MUSIC_TIME mtOffset, DWORD dwFlags, IDirectMusicPerformance* pPerf, IDirectMusicSegmentState* pSegSt, DWORD dwVirtualID)
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{
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ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
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FIXME("(%p, %p, %ld, %ld, %ld, %ld, %p, %p, %ld): stub\n", This, pStateData, mtStart, mtEnd, mtOffset, dwFlags, pPerf, pSegSt, dwVirtualID);
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return S_OK;
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}
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HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_GetParam (LPDIRECTMUSICTRACK8 iface, REFGUID rguidType, MUSIC_TIME mtTime, MUSIC_TIME* pmtNext, void* pParam) {
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ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
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FIXME("(%p, %s, %ld, %p, %p): stub\n", This, debugstr_dmguid(rguidType), mtTime, pmtNext, pParam);
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return S_OK;
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}
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HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_SetParam (LPDIRECTMUSICTRACK8 iface, REFGUID rguidType, MUSIC_TIME mtTime, void* pParam) {
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ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
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FIXME("(%p, %s, %ld, %p): stub\n", This, debugstr_dmguid(rguidType), mtTime, pParam);
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return S_OK;
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}
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HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_IsParamSupported (LPDIRECTMUSICTRACK8 iface, REFGUID rguidType) {
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ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
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TRACE("(%p, %s): ", This, debugstr_dmguid(rguidType));
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if (IsEqualGUID (rguidType, &GUID_BandParam)
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|| IsEqualGUID (rguidType, &GUID_ChordParam)
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|| IsEqualGUID (rguidType, &GUID_RhythmParam)) {
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TRACE("param supported\n");
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return S_OK;
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}
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TRACE("param unsupported\n");
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return DMUS_E_TYPE_UNSUPPORTED;
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}
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HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_AddNotificationType (LPDIRECTMUSICTRACK8 iface, REFGUID rguidNotificationType) {
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ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
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FIXME("(%p, %s): stub\n", This, debugstr_dmguid(rguidNotificationType));
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return S_OK;
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}
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HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_RemoveNotificationType (LPDIRECTMUSICTRACK8 iface, REFGUID rguidNotificationType) {
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ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
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FIXME("(%p, %s): stub\n", This, debugstr_dmguid(rguidNotificationType));
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return S_OK;
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}
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HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_Clone (LPDIRECTMUSICTRACK8 iface, MUSIC_TIME mtStart, MUSIC_TIME mtEnd, IDirectMusicTrack** ppTrack) {
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ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
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FIXME("(%p, %ld, %ld, %p): stub\n", This, mtStart, mtEnd, ppTrack);
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return S_OK;
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}
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HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_PlayEx (LPDIRECTMUSICTRACK8 iface, void* pStateData, REFERENCE_TIME rtStart, REFERENCE_TIME rtEnd, REFERENCE_TIME rtOffset, DWORD dwFlags, IDirectMusicPerformance* pPerf, IDirectMusicSegmentState* pSegSt, DWORD dwVirtualID) {
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ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
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FIXME("(%p, %p, %lli, %lli, %lli, %ld, %p, %p, %ld): stub\n", This, pStateData, rtStart, rtEnd, rtOffset, dwFlags, pPerf, pSegSt, dwVirtualID);
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return S_OK;
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}
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HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_GetParamEx (LPDIRECTMUSICTRACK8 iface, REFGUID rguidType, REFERENCE_TIME rtTime, REFERENCE_TIME* prtNext, void* pParam, void* pStateData, DWORD dwFlags) {
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ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
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FIXME("(%p, %s, %lli, %p, %p, %p, %ld): stub\n", This, debugstr_dmguid(rguidType), rtTime, prtNext, pParam, pStateData, dwFlags);
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return S_OK;
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}
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HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_SetParamEx (LPDIRECTMUSICTRACK8 iface, REFGUID rguidType, REFERENCE_TIME rtTime, void* pParam, void* pStateData, DWORD dwFlags) {
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ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
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FIXME("(%p, %s, %lli, %p, %p, %ld): stub\n", This, debugstr_dmguid(rguidType), rtTime, pParam, pStateData, dwFlags);
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return S_OK;
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}
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HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_Compose (LPDIRECTMUSICTRACK8 iface, IUnknown* pContext, DWORD dwTrackGroup, IDirectMusicTrack** ppResultTrack) {
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ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
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FIXME("(%p, %p, %ld, %p): stub\n", This, pContext, dwTrackGroup, ppResultTrack);
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return S_OK;
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}
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HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_Join (LPDIRECTMUSICTRACK8 iface, IDirectMusicTrack* pNewTrack, MUSIC_TIME mtJoin, IUnknown* pContext, DWORD dwTrackGroup, IDirectMusicTrack** ppResultTrack) {
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ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
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FIXME("(%p, %p, %ld, %p, %ld, %p): stub\n", This, pNewTrack, mtJoin, pContext, dwTrackGroup, ppResultTrack);
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return S_OK;
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}
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IDirectMusicTrack8Vtbl DirectMusicChordTrack_Track_Vtbl = {
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IDirectMusicChordTrack_IDirectMusicTrack_QueryInterface,
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IDirectMusicChordTrack_IDirectMusicTrack_AddRef,
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IDirectMusicChordTrack_IDirectMusicTrack_Release,
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IDirectMusicChordTrack_IDirectMusicTrack_Init,
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IDirectMusicChordTrack_IDirectMusicTrack_InitPlay,
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IDirectMusicChordTrack_IDirectMusicTrack_EndPlay,
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IDirectMusicChordTrack_IDirectMusicTrack_Play,
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IDirectMusicChordTrack_IDirectMusicTrack_GetParam,
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IDirectMusicChordTrack_IDirectMusicTrack_SetParam,
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IDirectMusicChordTrack_IDirectMusicTrack_IsParamSupported,
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IDirectMusicChordTrack_IDirectMusicTrack_AddNotificationType,
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IDirectMusicChordTrack_IDirectMusicTrack_RemoveNotificationType,
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IDirectMusicChordTrack_IDirectMusicTrack_Clone,
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IDirectMusicChordTrack_IDirectMusicTrack_PlayEx,
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IDirectMusicChordTrack_IDirectMusicTrack_GetParamEx,
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IDirectMusicChordTrack_IDirectMusicTrack_SetParamEx,
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IDirectMusicChordTrack_IDirectMusicTrack_Compose,
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IDirectMusicChordTrack_IDirectMusicTrack_Join
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};
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/* IDirectMusicChordTrack IPersistStream part: */
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HRESULT WINAPI IDirectMusicChordTrack_IPersistStream_QueryInterface (LPPERSISTSTREAM iface, REFIID riid, LPVOID *ppobj) {
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ICOM_THIS_MULTI(IDirectMusicChordTrack, PersistStreamVtbl, iface);
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return IDirectMusicChordTrack_IUnknown_QueryInterface ((LPUNKNOWN)&This->UnknownVtbl, riid, ppobj);
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}
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ULONG WINAPI IDirectMusicChordTrack_IPersistStream_AddRef (LPPERSISTSTREAM iface) {
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ICOM_THIS_MULTI(IDirectMusicChordTrack, PersistStreamVtbl, iface);
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return IDirectMusicChordTrack_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
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}
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ULONG WINAPI IDirectMusicChordTrack_IPersistStream_Release (LPPERSISTSTREAM iface) {
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ICOM_THIS_MULTI(IDirectMusicChordTrack, PersistStreamVtbl, iface);
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return IDirectMusicChordTrack_IUnknown_Release ((LPUNKNOWN)&This->UnknownVtbl);
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}
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HRESULT WINAPI IDirectMusicChordTrack_IPersistStream_GetClassID (LPPERSISTSTREAM iface, CLSID* pClassID) {
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ICOM_THIS_MULTI(IDirectMusicChordTrack, PersistStreamVtbl, iface);
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TRACE("(%p, %p)\n", This, pClassID);
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memcpy(pClassID, &CLSID_DirectMusicChordTrack, sizeof(CLSID));
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return S_OK;
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}
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HRESULT WINAPI IDirectMusicChordTrack_IPersistStream_IsDirty (LPPERSISTSTREAM iface) {
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ICOM_THIS_MULTI(IDirectMusicChordTrack, PersistStreamVtbl, iface);
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FIXME("(%p): stub, always S_FALSE\n", This);
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return S_FALSE;
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}
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static HRESULT IDirectMusicChordTrack_IPersistStream_ParseChordTrackList (LPPERSISTSTREAM iface, DMUS_PRIVATE_CHUNK* pChunk, IStream* pStm) {
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ICOM_THIS_MULTI(IDirectMusicChordTrack, PersistStreamVtbl, iface);
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DMUS_PRIVATE_CHUNK Chunk;
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DWORD ListSize[3], ListCount[3];
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LARGE_INTEGER liMove; /* used when skipping chunks */
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if (pChunk->fccID != DMUS_FOURCC_CHORDTRACK_LIST) {
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ERR_(dmfile)(": %s chunk should be a CHORDTRACK list\n", debugstr_fourcc (pChunk->fccID));
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return E_FAIL;
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}
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ListSize[0] = pChunk->dwSize - sizeof(FOURCC);
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ListCount[0] = 0;
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do {
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IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
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ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
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TRACE_(dmfile)(": %s chunk (size = %ld)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
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switch (Chunk.fccID) {
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case DMUS_FOURCC_CHORDTRACKHEADER_CHUNK: {
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TRACE_(dmfile)(": Chord track header chunk\n");
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IStream_Read (pStm, &This->dwScale, sizeof(DWORD), NULL);
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TRACE_(dmfile)(" - dwScale: %ld\n", This->dwScale);
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break;
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}
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case DMUS_FOURCC_CHORDTRACKBODY_CHUNK: {
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DWORD sz;
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DWORD it;
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DWORD num;
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DMUS_IO_CHORD body;
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DMUS_IO_SUBCHORD subchords;
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TRACE_(dmfile)(": Chord track body chunk\n");
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IStream_Read (pStm, &sz, sizeof(DWORD), NULL);
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TRACE_(dmfile)(" - sizeof(DMUS_IO_CHORD): %ld\n", sz);
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if (sz != sizeof(DMUS_IO_CHORD)) return E_FAIL;
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IStream_Read (pStm, &body, sizeof(DMUS_IO_CHORD), NULL);
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TRACE_(dmfile)(" - wszName: %s\n", debugstr_w(body.wszName));
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TRACE_(dmfile)(" - mtTime: %lu\n", body.mtTime);
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TRACE_(dmfile)(" - wMeasure: %u\n", body.wMeasure);
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TRACE_(dmfile)(" - bBeat: %u\n", body.bBeat);
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TRACE_(dmfile)(" - bFlags: 0x%02x\n", body.bFlags);
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IStream_Read (pStm, &num, sizeof(DWORD), NULL);
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TRACE_(dmfile)(" - # DMUS_IO_SUBCHORDS: %ld\n", num);
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IStream_Read (pStm, &sz, sizeof(DWORD), NULL);
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TRACE_(dmfile)(" - sizeof(DMUS_IO_SUBCHORDS): %ld\n", sz);
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if (sz != sizeof(DMUS_IO_SUBCHORD)) return E_FAIL;
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for (it = 0; it < num; ++it) {
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IStream_Read (pStm, &subchords, sizeof(DMUS_IO_SUBCHORD), NULL);
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TRACE_(dmfile)("DMUS_IO_SUBCHORD #%ld\n", it+1);
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TRACE_(dmfile)(" - dwChordPattern: %lu\n", subchords.dwChordPattern);
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TRACE_(dmfile)(" - dwScalePattern: %lu\n", subchords.dwScalePattern);
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TRACE_(dmfile)(" - dwInversionPoints: %lu\n", subchords.dwInversionPoints);
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TRACE_(dmfile)(" - dwLevels: %lu\n", subchords.dwLevels);
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TRACE_(dmfile)(" - bChordRoot: %u\n", subchords.bChordRoot);
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TRACE_(dmfile)(" - bScaleRoot: %u\n", subchords.bScaleRoot);
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}
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break;
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}
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default: {
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TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
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liMove.QuadPart = Chunk.dwSize;
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IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
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break;
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}
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}
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TRACE_(dmfile)(": ListCount[0] = %ld < ListSize[0] = %ld\n", ListCount[0], ListSize[0]);
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} while (ListCount[0] < ListSize[0]);
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return S_OK;
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}
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HRESULT WINAPI IDirectMusicChordTrack_IPersistStream_Load (LPPERSISTSTREAM iface, IStream* pStm) {
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ICOM_THIS_MULTI(IDirectMusicChordTrack, PersistStreamVtbl, iface);
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DMUS_PRIVATE_CHUNK Chunk;
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LARGE_INTEGER liMove;
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HRESULT hr;
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TRACE("(%p, %p): Loading\n", This, pStm);
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IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
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TRACE_(dmfile)(": %s chunk (size = %ld)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
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switch (Chunk.fccID) {
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case FOURCC_LIST: {
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IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
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TRACE_(dmfile)(": %s chunk (size = %ld)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
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switch (Chunk.fccID) {
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case DMUS_FOURCC_CHORDTRACK_LIST: {
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TRACE_(dmfile)(": Chord track list\n");
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hr = IDirectMusicChordTrack_IPersistStream_ParseChordTrackList (iface, &Chunk, pStm);
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if (FAILED(hr)) return hr;
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break;
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}
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default: {
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TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
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liMove.QuadPart = Chunk.dwSize;
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IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
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return E_FAIL;
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}
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}
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TRACE_(dmfile)(": reading finished\n");
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break;
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}
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default: {
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TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
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liMove.QuadPart = Chunk.dwSize;
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IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
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return E_FAIL;
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}
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}
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return S_OK;
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}
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HRESULT WINAPI IDirectMusicChordTrack_IPersistStream_Save (LPPERSISTSTREAM iface, IStream* pStm, BOOL fClearDirty) {
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ICOM_THIS_MULTI(IDirectMusicChordTrack, PersistStreamVtbl, iface);
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FIXME("(%p): Saving not implemented yet\n", This);
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return E_NOTIMPL;
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}
|
|
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|
HRESULT WINAPI IDirectMusicChordTrack_IPersistStream_GetSizeMax (LPPERSISTSTREAM iface, ULARGE_INTEGER* pcbSize) {
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|
ICOM_THIS_MULTI(IDirectMusicChordTrack, PersistStreamVtbl, iface);
|
|
FIXME("(%p, %p): stub\n", This, pcbSize);
|
|
return E_NOTIMPL;
|
|
}
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|
|
|
IPersistStreamVtbl DirectMusicChordTrack_PersistStream_Vtbl = {
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IDirectMusicChordTrack_IPersistStream_QueryInterface,
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|
IDirectMusicChordTrack_IPersistStream_AddRef,
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|
IDirectMusicChordTrack_IPersistStream_Release,
|
|
IDirectMusicChordTrack_IPersistStream_GetClassID,
|
|
IDirectMusicChordTrack_IPersistStream_IsDirty,
|
|
IDirectMusicChordTrack_IPersistStream_Load,
|
|
IDirectMusicChordTrack_IPersistStream_Save,
|
|
IDirectMusicChordTrack_IPersistStream_GetSizeMax
|
|
};
|
|
|
|
/* for ClassFactory */
|
|
HRESULT WINAPI DMUSIC_CreateDirectMusicChordTrack (LPCGUID lpcGUID, LPVOID *ppobj, LPUNKNOWN pUnkOuter) {
|
|
IDirectMusicChordTrack* track;
|
|
|
|
track = HeapAlloc (GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectMusicChordTrack));
|
|
if (NULL == track) {
|
|
*ppobj = NULL;
|
|
return E_OUTOFMEMORY;
|
|
}
|
|
track->UnknownVtbl = &DirectMusicChordTrack_Unknown_Vtbl;
|
|
track->TrackVtbl = &DirectMusicChordTrack_Track_Vtbl;
|
|
track->PersistStreamVtbl = &DirectMusicChordTrack_PersistStream_Vtbl;
|
|
track->pDesc = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(DMUS_OBJECTDESC));
|
|
DM_STRUCT_INIT(track->pDesc);
|
|
track->pDesc->dwValidData |= DMUS_OBJ_CLASS;
|
|
memcpy (&track->pDesc->guidClass, &CLSID_DirectMusicChordTrack, sizeof (CLSID));
|
|
track->ref = 0; /* will be inited by QueryInterface */
|
|
|
|
return IDirectMusicChordTrack_IUnknown_QueryInterface ((LPUNKNOWN)&track->UnknownVtbl, lpcGUID, ppobj);
|
|
}
|