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commandtrack.c

/* IDirectMusicCommandTrack 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 "dmstyle_private.h"

WINE_DEFAULT_DEBUG_CHANNEL(dmstyle);
WINE_DECLARE_DEBUG_CHANNEL(dmfile);

static ULONG WINAPI IDirectMusicCommandTrack_IUnknown_AddRef (LPUNKNOWN iface);
static ULONG WINAPI IDirectMusicCommandTrack_IDirectMusicTrack_AddRef (LPDIRECTMUSICTRACK8 iface);
static ULONG WINAPI IDirectMusicCommandTrack_IPersistStream_AddRef (LPPERSISTSTREAM iface);

/*****************************************************************************
 * IDirectMusicCommandTrack implementation
 */
/* IDirectMusicCommandTrack IUnknown part: */
static HRESULT WINAPI IDirectMusicCommandTrack_IUnknown_QueryInterface (LPUNKNOWN iface, REFIID riid, LPVOID *ppobj) {
      ICOM_THIS_MULTI(IDirectMusicCommandTrack, UnknownVtbl, iface);
      TRACE("(%p, %s, %p)\n", This, debugstr_dmguid(riid), ppobj);

      if (IsEqualIID (riid, &IID_IUnknown)) {
            *ppobj = &This->UnknownVtbl;
            IDirectMusicCommandTrack_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
            return S_OK;
      } else if (IsEqualIID (riid, &IID_IDirectMusicTrack)
        || IsEqualIID (riid, &IID_IDirectMusicTrack8)) {
            *ppobj = (LPDIRECTMUSICTRACK8)&This->TrackVtbl;
            IDirectMusicCommandTrack_IDirectMusicTrack_AddRef ((LPDIRECTMUSICTRACK8)&This->TrackVtbl);
            return S_OK;
      } else if (IsEqualIID (riid, &IID_IPersistStream)) {
            *ppobj = &This->PersistStreamVtbl;
            IDirectMusicCommandTrack_IPersistStream_AddRef ((LPPERSISTSTREAM)&This->PersistStreamVtbl);
            return S_OK;
      }
      
      WARN("(%p, %s, %p): not found\n", This, debugstr_dmguid(riid), ppobj);
      return E_NOINTERFACE;
}

static ULONG WINAPI IDirectMusicCommandTrack_IUnknown_AddRef (LPUNKNOWN iface) {
      ICOM_THIS_MULTI(IDirectMusicCommandTrack, UnknownVtbl, iface);
        ULONG ref = InterlockedIncrement(&This->ref);

      TRACE("(%p): AddRef from %d\n", This, ref - 1);

      DMSTYLE_LockModule();

      return ref;
}

static ULONG WINAPI IDirectMusicCommandTrack_IUnknown_Release (LPUNKNOWN iface) {
      ICOM_THIS_MULTI(IDirectMusicCommandTrack, UnknownVtbl, iface);
      ULONG ref = InterlockedDecrement(&This->ref);

      TRACE("(%p): ReleaseRef to %d\n", This, ref);

      if (ref == 0) {
            HeapFree(GetProcessHeap(), 0, This);
      }
      
      DMSTYLE_UnlockModule();
      
      return ref;
}

static const IUnknownVtbl DirectMusicCommandTrack_Unknown_Vtbl = {
      IDirectMusicCommandTrack_IUnknown_QueryInterface,
      IDirectMusicCommandTrack_IUnknown_AddRef,
      IDirectMusicCommandTrack_IUnknown_Release
};

/* IDirectMusicCommandTrack IDirectMusicTrack8 part: */
static HRESULT WINAPI IDirectMusicCommandTrack_IDirectMusicTrack_QueryInterface (LPDIRECTMUSICTRACK8 iface, REFIID riid, LPVOID *ppobj) {
      ICOM_THIS_MULTI(IDirectMusicCommandTrack, TrackVtbl, iface);
      return IDirectMusicCommandTrack_IUnknown_QueryInterface ((LPUNKNOWN)&This->UnknownVtbl, riid, ppobj);
}

static ULONG WINAPI IDirectMusicCommandTrack_IDirectMusicTrack_AddRef (LPDIRECTMUSICTRACK8 iface) {
      ICOM_THIS_MULTI(IDirectMusicCommandTrack, TrackVtbl, iface);
      return IDirectMusicCommandTrack_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
}

static ULONG WINAPI IDirectMusicCommandTrack_IDirectMusicTrack_Release (LPDIRECTMUSICTRACK8 iface) {
      ICOM_THIS_MULTI(IDirectMusicCommandTrack, TrackVtbl, iface);
      return IDirectMusicCommandTrack_IUnknown_Release ((LPUNKNOWN)&This->UnknownVtbl);
}

static HRESULT WINAPI IDirectMusicCommandTrack_IDirectMusicTrack_Init (LPDIRECTMUSICTRACK8 iface, IDirectMusicSegment* pSegment)
{
      ICOM_THIS_MULTI(IDirectMusicCommandTrack, TrackVtbl, iface);
      FIXME("(%p, %p): stub\n", This, pSegment);
      return S_OK;
}

static HRESULT WINAPI IDirectMusicCommandTrack_IDirectMusicTrack_InitPlay (LPDIRECTMUSICTRACK8 iface, IDirectMusicSegmentState* pSegmentState, IDirectMusicPerformance* pPerformance, void** ppStateData, DWORD dwVirtualTrack8ID, DWORD dwFlags)
{
      ICOM_THIS_MULTI(IDirectMusicCommandTrack, TrackVtbl, iface);
      FIXME("(%p, %p, %p, %p, %d, %d): stub\n", This, pSegmentState, pPerformance, ppStateData, dwVirtualTrack8ID, dwFlags);
      return S_OK;
}

static HRESULT WINAPI IDirectMusicCommandTrack_IDirectMusicTrack_EndPlay (LPDIRECTMUSICTRACK8 iface, void* pStateData)
{
      ICOM_THIS_MULTI(IDirectMusicCommandTrack, TrackVtbl, iface);
      FIXME("(%p, %p): stub\n", This, pStateData);
      return S_OK;
}

static HRESULT WINAPI IDirectMusicCommandTrack_IDirectMusicTrack_Play (LPDIRECTMUSICTRACK8 iface, void* pStateData, MUSIC_TIME mtStart, MUSIC_TIME mtEnd, MUSIC_TIME mtOffset, DWORD dwFlags, IDirectMusicPerformance* pPerf, IDirectMusicSegmentState* pSegSt, DWORD dwVirtualID)
{
      ICOM_THIS_MULTI(IDirectMusicCommandTrack, TrackVtbl, iface);
      FIXME("(%p, %p, %d, %d, %d, %d, %p, %p, %d): stub\n", This, pStateData, mtStart, mtEnd, mtOffset, dwFlags, pPerf, pSegSt, dwVirtualID);
      return S_OK;
}

static HRESULT WINAPI IDirectMusicCommandTrack_IDirectMusicTrack_GetParam (LPDIRECTMUSICTRACK8 iface, REFGUID rguidType, MUSIC_TIME mtTime, MUSIC_TIME* pmtNext, void* pParam) {
      ICOM_THIS_MULTI(IDirectMusicCommandTrack, TrackVtbl, iface);
      FIXME("(%p, %s, %d, %p, %p): stub\n", This, debugstr_dmguid(rguidType), mtTime, pmtNext, pParam);
      return S_OK;
}

static HRESULT WINAPI IDirectMusicCommandTrack_IDirectMusicTrack_SetParam (LPDIRECTMUSICTRACK8 iface, REFGUID rguidType, MUSIC_TIME mtTime, void* pParam) {
      ICOM_THIS_MULTI(IDirectMusicCommandTrack, TrackVtbl, iface);
      FIXME("(%p, %s, %d, %p): stub\n", This, debugstr_dmguid(rguidType), mtTime, pParam);
      return S_OK;
}

static HRESULT WINAPI IDirectMusicCommandTrack_IDirectMusicTrack_IsParamSupported (LPDIRECTMUSICTRACK8 iface, REFGUID rguidType) {
      ICOM_THIS_MULTI(IDirectMusicCommandTrack, TrackVtbl, iface);

      TRACE("(%p, %s)\n", This, debugstr_dmguid(rguidType));
      if (IsEqualGUID (rguidType, &GUID_CommandParam)
            || IsEqualGUID (rguidType, &GUID_CommandParam2)
            || IsEqualGUID (rguidType, &GUID_CommandParamNext)) {
            TRACE("param supported\n");
            return S_OK;
      }
      
      TRACE("param unsupported\n");
      return DMUS_E_TYPE_UNSUPPORTED;
}

static HRESULT WINAPI IDirectMusicCommandTrack_IDirectMusicTrack_AddNotificationType (LPDIRECTMUSICTRACK8 iface, REFGUID rguidNotificationType) {
      ICOM_THIS_MULTI(IDirectMusicCommandTrack, TrackVtbl, iface);
      FIXME("(%p, %s): stub\n", This, debugstr_dmguid(rguidNotificationType));
      return S_OK;
}

static HRESULT WINAPI IDirectMusicCommandTrack_IDirectMusicTrack_RemoveNotificationType (LPDIRECTMUSICTRACK8 iface, REFGUID rguidNotificationType) {
      ICOM_THIS_MULTI(IDirectMusicCommandTrack, TrackVtbl, iface);
      FIXME("(%p, %s): stub\n", This, debugstr_dmguid(rguidNotificationType));
      return S_OK;
}

static HRESULT WINAPI IDirectMusicCommandTrack_IDirectMusicTrack_Clone (LPDIRECTMUSICTRACK8 iface, MUSIC_TIME mtStart, MUSIC_TIME mtEnd, IDirectMusicTrack** ppTrack) {
      ICOM_THIS_MULTI(IDirectMusicCommandTrack, TrackVtbl, iface);
      FIXME("(%p, %d, %d, %p): stub\n", This, mtStart, mtEnd, ppTrack);
      return S_OK;
}

static HRESULT WINAPI IDirectMusicCommandTrack_IDirectMusicTrack_PlayEx (LPDIRECTMUSICTRACK8 iface, void* pStateData, REFERENCE_TIME rtStart, REFERENCE_TIME rtEnd, REFERENCE_TIME rtOffset, DWORD dwFlags, IDirectMusicPerformance* pPerf, IDirectMusicSegmentState* pSegSt, DWORD dwVirtualID) {
      ICOM_THIS_MULTI(IDirectMusicCommandTrack, TrackVtbl, iface);
      FIXME("(%p, %p, 0x%s, 0x%s, 0x%s, %d, %p, %p, %d): stub\n", This, pStateData, wine_dbgstr_longlong(rtStart),
          wine_dbgstr_longlong(rtEnd), wine_dbgstr_longlong(rtOffset), dwFlags, pPerf, pSegSt, dwVirtualID);
      return S_OK;
}

static HRESULT WINAPI IDirectMusicCommandTrack_IDirectMusicTrack_GetParamEx (LPDIRECTMUSICTRACK8 iface, REFGUID rguidType, REFERENCE_TIME rtTime, REFERENCE_TIME* prtNext, void* pParam, void* pStateData, DWORD dwFlags) {
      ICOM_THIS_MULTI(IDirectMusicCommandTrack, TrackVtbl, iface);
      FIXME("(%p, %s, 0x%s, %p, %p, %p, %d): stub\n", This, debugstr_dmguid(rguidType),
          wine_dbgstr_longlong(rtTime), prtNext, pParam, pStateData, dwFlags);
      return S_OK;
}

static HRESULT WINAPI IDirectMusicCommandTrack_IDirectMusicTrack_SetParamEx (LPDIRECTMUSICTRACK8 iface, REFGUID rguidType, REFERENCE_TIME rtTime, void* pParam, void* pStateData, DWORD dwFlags) {
      ICOM_THIS_MULTI(IDirectMusicCommandTrack, TrackVtbl, iface);
      FIXME("(%p, %s, 0x%s, %p, %p, %d): stub\n", This, debugstr_dmguid(rguidType),
          wine_dbgstr_longlong(rtTime), pParam, pStateData, dwFlags);
      return S_OK;
}

static HRESULT WINAPI IDirectMusicCommandTrack_IDirectMusicTrack_Compose (LPDIRECTMUSICTRACK8 iface, IUnknown* pContext, DWORD dwTrackGroup, IDirectMusicTrack** ppResultTrack) {
      ICOM_THIS_MULTI(IDirectMusicCommandTrack, TrackVtbl, iface);
      FIXME("(%p, %p, %d, %p): stub\n", This, pContext, dwTrackGroup, ppResultTrack);
      return S_OK;
}

static HRESULT WINAPI IDirectMusicCommandTrack_IDirectMusicTrack_Join (LPDIRECTMUSICTRACK8 iface, IDirectMusicTrack* pNewTrack, MUSIC_TIME mtJoin, IUnknown* pContext, DWORD dwTrackGroup, IDirectMusicTrack** ppResultTrack) {
      ICOM_THIS_MULTI(IDirectMusicCommandTrack, TrackVtbl, iface);
      FIXME("(%p, %p, %d, %p, %d, %p): stub\n", This, pNewTrack, mtJoin, pContext, dwTrackGroup, ppResultTrack);
      return S_OK;
}

static const IDirectMusicTrack8Vtbl DirectMusicCommandTrack_Track_Vtbl = {
      IDirectMusicCommandTrack_IDirectMusicTrack_QueryInterface,
      IDirectMusicCommandTrack_IDirectMusicTrack_AddRef,
      IDirectMusicCommandTrack_IDirectMusicTrack_Release,
      IDirectMusicCommandTrack_IDirectMusicTrack_Init,
      IDirectMusicCommandTrack_IDirectMusicTrack_InitPlay,
      IDirectMusicCommandTrack_IDirectMusicTrack_EndPlay,
      IDirectMusicCommandTrack_IDirectMusicTrack_Play,
      IDirectMusicCommandTrack_IDirectMusicTrack_GetParam,
      IDirectMusicCommandTrack_IDirectMusicTrack_SetParam,
      IDirectMusicCommandTrack_IDirectMusicTrack_IsParamSupported,
      IDirectMusicCommandTrack_IDirectMusicTrack_AddNotificationType,
      IDirectMusicCommandTrack_IDirectMusicTrack_RemoveNotificationType,
      IDirectMusicCommandTrack_IDirectMusicTrack_Clone,
      IDirectMusicCommandTrack_IDirectMusicTrack_PlayEx,
      IDirectMusicCommandTrack_IDirectMusicTrack_GetParamEx,
      IDirectMusicCommandTrack_IDirectMusicTrack_SetParamEx,
      IDirectMusicCommandTrack_IDirectMusicTrack_Compose,
      IDirectMusicCommandTrack_IDirectMusicTrack_Join
};

/* IDirectMusicCommandTrack IPersistStream part: */
static HRESULT WINAPI IDirectMusicCommandTrack_IPersistStream_QueryInterface (LPPERSISTSTREAM iface, REFIID riid, LPVOID *ppobj) {
      ICOM_THIS_MULTI(IDirectMusicCommandTrack, PersistStreamVtbl, iface);
      return IDirectMusicCommandTrack_IUnknown_QueryInterface ((LPUNKNOWN)&This->UnknownVtbl, riid, ppobj);
}

static ULONG WINAPI IDirectMusicCommandTrack_IPersistStream_AddRef (LPPERSISTSTREAM iface) {
      ICOM_THIS_MULTI(IDirectMusicCommandTrack, PersistStreamVtbl, iface);
      return IDirectMusicCommandTrack_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
}

static ULONG WINAPI IDirectMusicCommandTrack_IPersistStream_Release (LPPERSISTSTREAM iface) {
      ICOM_THIS_MULTI(IDirectMusicCommandTrack, PersistStreamVtbl, iface);
      return IDirectMusicCommandTrack_IUnknown_Release ((LPUNKNOWN)&This->UnknownVtbl);
}

static HRESULT WINAPI IDirectMusicCommandTrack_IPersistStream_GetClassID (LPPERSISTSTREAM iface, CLSID* pClassID) {
      return E_NOTIMPL;
}

static HRESULT WINAPI IDirectMusicCommandTrack_IPersistStream_IsDirty (LPPERSISTSTREAM iface) {
      return E_NOTIMPL;
}

static HRESULT WINAPI IDirectMusicCommandTrack_IPersistStream_Load (LPPERSISTSTREAM iface, IStream* pStm) {
      ICOM_THIS_MULTI(IDirectMusicCommandTrack, PersistStreamVtbl, iface);
      FOURCC chunkID;
      DWORD chunkSize, dwSizeOfStruct, nrCommands;
      LARGE_INTEGER liMove; /* used when skipping chunks */
      
      IStream_Read (pStm, &chunkID, sizeof(FOURCC), NULL);
      IStream_Read (pStm, &chunkSize, sizeof(DWORD), NULL);
      TRACE_(dmfile)(": %s chunk (size = %d)", debugstr_fourcc (chunkID), chunkSize);
      switch (chunkID) {
            case DMUS_FOURCC_COMMANDTRACK_CHUNK: {
                  int count;
                  TRACE_(dmfile)(": command track chunk\n");
                  IStream_Read (pStm, &dwSizeOfStruct, sizeof(DWORD), NULL);
                  if (dwSizeOfStruct != sizeof(DMUS_IO_COMMAND)) {
                        TRACE_(dmfile)(": declared size of struct (=%d) != actual size; indicates older direct music version\n", dwSizeOfStruct);
                  }
                  chunkSize -= sizeof(DWORD); /* now chunk size is one DWORD shorter */
                  nrCommands = chunkSize/dwSizeOfStruct; /* and this is the number of commands */
                  /* load each command separately in new entry */
                  for (count = 0; count < nrCommands; count++) {
                        LPDMUS_PRIVATE_COMMAND pNewCommand = HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY, sizeof(DMUS_PRIVATE_COMMAND));
                        IStream_Read (pStm, &pNewCommand->pCommand, dwSizeOfStruct, NULL);
                        list_add_tail (&This->Commands, &pNewCommand->entry);
                  }
                  TRACE_(dmfile)(": reading finished\n");
                  This->pDesc->dwValidData |= DMUS_OBJ_LOADED;
                  break;
            }     
            default: {
                  TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
                  liMove.QuadPart = chunkSize;
                  IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
                  return E_FAIL;
            }
      }

      /* DEBUG: dumps whole band track object tree: */
      if (TRACE_ON(dmstyle)) {
            int r = 0;
            DMUS_PRIVATE_COMMAND *tmpEntry;
            struct list *listEntry;
            TRACE("*** IDirectMusicCommandTrack (%p) ***\n", This->TrackVtbl);
            TRACE(" - Commands:\n");
            LIST_FOR_EACH (listEntry, &This->Commands) {
                  tmpEntry = LIST_ENTRY (listEntry, DMUS_PRIVATE_COMMAND, entry);
                  TRACE("    - Command[%i]:\n", r);
                  TRACE("       - mtTime = %i\n", tmpEntry->pCommand.mtTime);
                  TRACE("       - wMeasure = %d\n", tmpEntry->pCommand.wMeasure);
                  TRACE("       - bBeat = %i\n", tmpEntry->pCommand.bBeat);
                  TRACE("       - bCommand = %i\n", tmpEntry->pCommand.bCommand);
                  TRACE("       - bGrooveLevel = %i\n", tmpEntry->pCommand.bGrooveLevel);
                  TRACE("       - bGrooveRange = %i\n", tmpEntry->pCommand.bGrooveRange);
                  TRACE("       - bRepeatMode = %i\n", tmpEntry->pCommand.bRepeatMode);               
                  r++;
            }
      }

      return S_OK;
}

static HRESULT WINAPI IDirectMusicCommandTrack_IPersistStream_Save (LPPERSISTSTREAM iface, IStream* pStm, BOOL fClearDirty) {
      return E_NOTIMPL;
}

static HRESULT WINAPI IDirectMusicCommandTrack_IPersistStream_GetSizeMax (LPPERSISTSTREAM iface, ULARGE_INTEGER* pcbSize) {
      return E_NOTIMPL;
}

static const IPersistStreamVtbl DirectMusicCommandTrack_PersistStream_Vtbl = {
      IDirectMusicCommandTrack_IPersistStream_QueryInterface,
      IDirectMusicCommandTrack_IPersistStream_AddRef,
      IDirectMusicCommandTrack_IPersistStream_Release,
      IDirectMusicCommandTrack_IPersistStream_GetClassID,
      IDirectMusicCommandTrack_IPersistStream_IsDirty,
      IDirectMusicCommandTrack_IPersistStream_Load,
      IDirectMusicCommandTrack_IPersistStream_Save,
      IDirectMusicCommandTrack_IPersistStream_GetSizeMax
};

/* for ClassFactory */
HRESULT WINAPI DMUSIC_CreateDirectMusicCommandTrack (LPCGUID lpcGUID, LPVOID *ppobj, LPUNKNOWN pUnkOuter) {
      IDirectMusicCommandTrack* track;
      
      track = HeapAlloc (GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectMusicCommandTrack));
      if (NULL == track) {
            *ppobj = NULL;
            return E_OUTOFMEMORY;
      }
      track->UnknownVtbl = &DirectMusicCommandTrack_Unknown_Vtbl;
      track->TrackVtbl = &DirectMusicCommandTrack_Track_Vtbl;
      track->PersistStreamVtbl = &DirectMusicCommandTrack_PersistStream_Vtbl;
      track->pDesc = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(DMUS_OBJECTDESC));
      DM_STRUCT_INIT(track->pDesc);
      track->pDesc->dwValidData |= DMUS_OBJ_CLASS;
      track->pDesc->guidClass = CLSID_DirectMusicCommandTrack;
      track->ref = 0; /* will be inited by QueryInterface */
      list_init (&track->Commands);

      return IDirectMusicCommandTrack_IUnknown_QueryInterface ((LPUNKNOWN)&track->UnknownVtbl, lpcGUID, ppobj);
}

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