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buffer.c

/* IDirectMusicBuffer 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 General Public License as published by
 * the Free Software Foundation; either version 2 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 Library General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 */

#include "dmusic_private.h"

WINE_DEFAULT_DEBUG_CHANNEL(dmusic);

/* IDirectMusicBufferImpl IUnknown part: */
HRESULT WINAPI IDirectMusicBufferImpl_QueryInterface (LPDIRECTMUSICBUFFER iface, REFIID riid, LPVOID *ppobj) {
      IDirectMusicBufferImpl *This = (IDirectMusicBufferImpl *)iface;
      TRACE("(%p, (%s, %p)\n",This,debugstr_dmguid(riid),ppobj);
      if (IsEqualIID (riid, &IID_IUnknown) 
            || IsEqualIID (riid, &IID_IDirectMusicBuffer)) {
            IDirectMusicBufferImpl_AddRef(iface);
            *ppobj = This;
            return S_OK;
      }
      WARN("(%p, (%s, %p): not found\n",This,debugstr_dmguid(riid),ppobj);
      return E_NOINTERFACE;
}

ULONG WINAPI IDirectMusicBufferImpl_AddRef (LPDIRECTMUSICBUFFER iface) {
      IDirectMusicBufferImpl *This = (IDirectMusicBufferImpl *)iface;
      ULONG refCount = InterlockedIncrement(&This->ref);

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

      DMUSIC_LockModule();

      return refCount;
}

ULONG WINAPI IDirectMusicBufferImpl_Release (LPDIRECTMUSICBUFFER iface) {
      IDirectMusicBufferImpl *This = (IDirectMusicBufferImpl *)iface;
      ULONG refCount = InterlockedDecrement(&This->ref);

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

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

      DMUSIC_UnlockModule();
      
      return refCount;
}

/* IDirectMusicBufferImpl IDirectMusicBuffer part: */
HRESULT WINAPI IDirectMusicBufferImpl_Flush (LPDIRECTMUSICBUFFER iface) {
      IDirectMusicBufferImpl *This = (IDirectMusicBufferImpl *)iface;
      FIXME("(%p): stub\n", This);
      return S_OK;
}

HRESULT WINAPI IDirectMusicBufferImpl_TotalTime (LPDIRECTMUSICBUFFER iface, LPREFERENCE_TIME prtTime) {
      IDirectMusicBufferImpl *This = (IDirectMusicBufferImpl *)iface;
      FIXME("(%p, %p): stub\n", This, prtTime); 
      return S_OK;
}

HRESULT WINAPI IDirectMusicBufferImpl_PackStructured (LPDIRECTMUSICBUFFER iface, REFERENCE_TIME rt, DWORD dwChannelGroup, DWORD dwChannelMessage) {
      IDirectMusicBufferImpl *This = (IDirectMusicBufferImpl *)iface;
      FIXME("(%p, %lli, %ld, %ld): stub\n", This, rt, dwChannelGroup, dwChannelMessage);
      return S_OK;
}

HRESULT WINAPI IDirectMusicBufferImpl_PackUnstructured (LPDIRECTMUSICBUFFER iface, REFERENCE_TIME rt, DWORD dwChannelGroup, DWORD cb, LPBYTE lpb) {
      IDirectMusicBufferImpl *This = (IDirectMusicBufferImpl *)iface;
      FIXME("(%p, %lli, %ld, %ld, %p): stub\n", This, rt, dwChannelGroup, cb, lpb);
      return S_OK;
}

HRESULT WINAPI IDirectMusicBufferImpl_ResetReadPtr (LPDIRECTMUSICBUFFER iface) {
      IDirectMusicBufferImpl *This = (IDirectMusicBufferImpl *)iface;
      FIXME("(%p): stub\n", This);
      return S_OK;
}

HRESULT WINAPI IDirectMusicBufferImpl_GetNextEvent (LPDIRECTMUSICBUFFER iface, LPREFERENCE_TIME prt, LPDWORD pdwChannelGroup, LPDWORD pdwLength, LPBYTE* ppData) {
      IDirectMusicBufferImpl *This = (IDirectMusicBufferImpl *)iface;
      FIXME("(%p, %p, %p, %p, %p): stub\n", This, prt, pdwChannelGroup, pdwLength, ppData);
      return S_OK;
}

HRESULT WINAPI IDirectMusicBufferImpl_GetRawBufferPtr (LPDIRECTMUSICBUFFER iface, LPBYTE* ppData) {
      IDirectMusicBufferImpl *This = (IDirectMusicBufferImpl *)iface;
      FIXME("(%p, %p): stub\n", This, ppData);
      return S_OK;
}

HRESULT WINAPI IDirectMusicBufferImpl_GetStartTime (LPDIRECTMUSICBUFFER iface, LPREFERENCE_TIME prt) {
      IDirectMusicBufferImpl *This = (IDirectMusicBufferImpl *)iface;
      FIXME("(%p, %p): stub\n", This, prt);
      return S_OK;
}

HRESULT WINAPI IDirectMusicBufferImpl_GetUsedBytes (LPDIRECTMUSICBUFFER iface, LPDWORD pcb) {
      IDirectMusicBufferImpl *This = (IDirectMusicBufferImpl *)iface;
      FIXME("(%p, %p): stub\n", This, pcb);
      return S_OK;
}

HRESULT WINAPI IDirectMusicBufferImpl_GetMaxBytes (LPDIRECTMUSICBUFFER iface, LPDWORD pcb) {
      IDirectMusicBufferImpl *This = (IDirectMusicBufferImpl *)iface;
      FIXME("(%p, %p): stub\n", This, pcb);
      return S_OK;
}

HRESULT WINAPI IDirectMusicBufferImpl_GetBufferFormat (LPDIRECTMUSICBUFFER iface, LPGUID pGuidFormat) {
      IDirectMusicBufferImpl *This = (IDirectMusicBufferImpl *)iface;
      FIXME("(%p, %p): stub\n", This, pGuidFormat);
      return S_OK;
}

HRESULT WINAPI IDirectMusicBufferImpl_SetStartTime (LPDIRECTMUSICBUFFER iface, REFERENCE_TIME rt) {
      IDirectMusicBufferImpl *This = (IDirectMusicBufferImpl *)iface;
      FIXME("(%p, %lli): stub\n", This, rt);
      return S_OK;
}

HRESULT WINAPI IDirectMusicBufferImpl_SetUsedBytes (LPDIRECTMUSICBUFFER iface, DWORD cb) {
      IDirectMusicBufferImpl *This = (IDirectMusicBufferImpl *)iface;
      FIXME("(%p, %ld): stub\n", This, cb);
      return S_OK;
}

static const IDirectMusicBufferVtbl DirectMusicBuffer_Vtbl = {
      IDirectMusicBufferImpl_QueryInterface,
      IDirectMusicBufferImpl_AddRef,
      IDirectMusicBufferImpl_Release,
      IDirectMusicBufferImpl_Flush,
      IDirectMusicBufferImpl_TotalTime,
      IDirectMusicBufferImpl_PackStructured,
      IDirectMusicBufferImpl_PackUnstructured,
      IDirectMusicBufferImpl_ResetReadPtr,
      IDirectMusicBufferImpl_GetNextEvent,
      IDirectMusicBufferImpl_GetRawBufferPtr,
      IDirectMusicBufferImpl_GetStartTime,
      IDirectMusicBufferImpl_GetUsedBytes,
      IDirectMusicBufferImpl_GetMaxBytes,
      IDirectMusicBufferImpl_GetBufferFormat,
      IDirectMusicBufferImpl_SetStartTime,
      IDirectMusicBufferImpl_SetUsedBytes
};

/* for ClassFactory */
HRESULT WINAPI DMUSIC_CreateDirectMusicBufferImpl (LPCGUID lpcGUID, LPVOID* ppobj, LPUNKNOWN pUnkOuter) {
      IDirectMusicBufferImpl* dmbuff;
      
      dmbuff = HeapAlloc (GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectMusicBufferImpl));
      if (NULL == dmbuff) {
            *ppobj = NULL;
            return E_OUTOFMEMORY;
      }
      dmbuff->lpVtbl = &DirectMusicBuffer_Vtbl;
      dmbuff->ref = 0; /* will be inited by QueryInterface */
      
      return IDirectMusicBufferImpl_QueryInterface ((LPDIRECTMUSICBUFFER)dmbuff, lpcGUID, ppobj);
}

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