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thru.c

/* IDirectMusicThru 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 "dmusic_private.h"

WINE_DEFAULT_DEBUG_CHANNEL(dmusic);

/* IDirectMusicThru IUnknown parts follow: */
static HRESULT WINAPI IDirectMusicThruImpl_QueryInterface (LPDIRECTMUSICTHRU iface, REFIID riid, LPVOID *ppobj) {
      IDirectMusicThruImpl *This = (IDirectMusicThruImpl *)iface;
      TRACE("(%p, %s, %p)\n", This, debugstr_dmguid(riid), ppobj);

      if (IsEqualIID (riid, &IID_IUnknown) || 
          IsEqualIID (riid, &IID_IDirectMusicThru)) {
            IUnknown_AddRef(iface);
            *ppobj = This;
            return S_OK;
      }
      WARN("(%p, %s, %p): not found\n", This, debugstr_dmguid(riid), ppobj);
      return E_NOINTERFACE;
}

static ULONG WINAPI IDirectMusicThruImpl_AddRef (LPDIRECTMUSICTHRU iface) {
      IDirectMusicThruImpl *This = (IDirectMusicThruImpl *)iface;
      ULONG refCount = InterlockedIncrement(&This->ref);

      TRACE("(%p)->(ref before=%u)\n", This, refCount - 1);

      DMUSIC_LockModule();

      return refCount;
}

static ULONG WINAPI IDirectMusicThruImpl_Release (LPDIRECTMUSICTHRU iface) {
      IDirectMusicThruImpl *This = (IDirectMusicThruImpl *)iface;
      ULONG refCount = InterlockedDecrement(&This->ref);

      TRACE("(%p)->(ref before=%u)\n", This, refCount + 1);

      if (!refCount) {
            HeapFree(GetProcessHeap(), 0, This);
      }

      DMUSIC_UnlockModule();

      return refCount;
}

/* IDirectMusicThru Interface follow: */
static HRESULT WINAPI IDirectMusicThruImpl_ThruChannel (LPDIRECTMUSICTHRU iface, DWORD dwSourceChannelGroup, DWORD dwSourceChannel, DWORD dwDestinationChannelGroup, DWORD dwDestinationChannel, LPDIRECTMUSICPORT pDestinationPort) {
      IDirectMusicThruImpl *This = (IDirectMusicThruImpl *)iface;
      FIXME("(%p, %d, %d, %d, %d, %p): stub\n", This, dwSourceChannelGroup, dwSourceChannel, dwDestinationChannelGroup, dwDestinationChannel, pDestinationPort);
      return S_OK;
}

static const IDirectMusicThruVtbl DirectMusicThru_Vtbl = {
      IDirectMusicThruImpl_QueryInterface,
      IDirectMusicThruImpl_AddRef,
      IDirectMusicThruImpl_Release,
      IDirectMusicThruImpl_ThruChannel
};

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