dlls/dmusic/buffer.c

   1 /* IDirectMusicBuffer Implementation
   2  *
   3  * Copyright (C) 2003-2004 Rok Mandeljc
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2.1 of the License, or (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  18  */
  19
  20 #include "dmusic_private.h"
  21
  22 WINE_DEFAULT_DEBUG_CHANNEL(dmusic);
  23
  24 /* IDirectMusicBufferImpl IUnknown part: */
  25 static HRESULT WINAPI IDirectMusicBufferImpl_QueryInterface (LPDIRECTMUSICBUFFER iface, REFIID riid, LPVOID *ppobj) {
  26         IDirectMusicBufferImpl *This = (IDirectMusicBufferImpl *)iface;
  27         TRACE("(%p, (%s, %p)\n",This,debugstr_dmguid(riid),ppobj);
  28         if (IsEqualIID (riid, &IID_IUnknown)
  29                 || IsEqualIID (riid, &IID_IDirectMusicBuffer)) {
  30                 IUnknown_AddRef(iface);
  31                 *ppobj = This;
  32                 return S_OK;
  33         }
  34         WARN("(%p, (%s, %p): not found\n",This,debugstr_dmguid(riid),ppobj);
  35         return E_NOINTERFACE;
  36 }
  37
  38 static ULONG WINAPI IDirectMusicBufferImpl_AddRef (LPDIRECTMUSICBUFFER iface) {
  39         IDirectMusicBufferImpl *This = (IDirectMusicBufferImpl *)iface;
  40         ULONG refCount = InterlockedIncrement(&This->ref);
  41
  42         TRACE("(%p)->(ref before=%u)\n", This, refCount - 1);
  43
  44         DMUSIC_LockModule();
  45
  46         return refCount;
  47 }
  48
  49 static ULONG WINAPI IDirectMusicBufferImpl_Release (LPDIRECTMUSICBUFFER iface) {
  50         IDirectMusicBufferImpl *This = (IDirectMusicBufferImpl *)iface;
  51         ULONG refCount = InterlockedDecrement(&This->ref);
  52
  53         TRACE("(%p)->(ref before=%u)\n", This, refCount + 1);
  54
  55         if (!refCount) {
  56                 HeapFree(GetProcessHeap(), 0, This->data);
  57                 HeapFree(GetProcessHeap(), 0, This);
  58         }
  59
  60         DMUSIC_UnlockModule();
  61
  62         return refCount;
  63 }
  64
  65 /* IDirectMusicBufferImpl IDirectMusicBuffer part: */
  66 static HRESULT WINAPI IDirectMusicBufferImpl_Flush (LPDIRECTMUSICBUFFER iface) {
  67         IDirectMusicBufferImpl *This = (IDirectMusicBufferImpl *)iface;
  68         FIXME("(%p): stub\n", This);
  69         return S_OK;
  70 }
  71
  72 static HRESULT WINAPI IDirectMusicBufferImpl_TotalTime (LPDIRECTMUSICBUFFER iface, LPREFERENCE_TIME prtTime) {
  73         IDirectMusicBufferImpl *This = (IDirectMusicBufferImpl *)iface;
  74         FIXME("(%p, %p): stub\n", This, prtTime);
  75         return S_OK;
  76 }
  77
  78 static HRESULT WINAPI IDirectMusicBufferImpl_PackStructured (LPDIRECTMUSICBUFFER iface, REFERENCE_TIME rt, DWORD dwChannelGroup, DWORD dwChannelMessage) {
  79         IDirectMusicBufferImpl *This = (IDirectMusicBufferImpl *)iface;
  80         FIXME("(%p, 0x%s, %d, %d): stub\n", This, wine_dbgstr_longlong(rt), dwChannelGroup, dwChannelMessage);
  81         return S_OK;
  82 }
  83
  84 static HRESULT WINAPI IDirectMusicBufferImpl_PackUnstructured (LPDIRECTMUSICBUFFER iface, REFERENCE_TIME rt, DWORD dwChannelGroup, DWORD cb, LPBYTE lpb) {
  85         IDirectMusicBufferImpl *This = (IDirectMusicBufferImpl *)iface;
  86         FIXME("(%p, 0x%s, %d, %d, %p): stub\n", This, wine_dbgstr_longlong(rt), dwChannelGroup, cb, lpb);
  87         return S_OK;
  88 }
  89
  90 static HRESULT WINAPI IDirectMusicBufferImpl_ResetReadPtr (LPDIRECTMUSICBUFFER iface) {
  91         IDirectMusicBufferImpl *This = (IDirectMusicBufferImpl *)iface;
  92         FIXME("(%p): stub\n", This);
  93         return S_OK;
  94 }
  95
  96 static HRESULT WINAPI IDirectMusicBufferImpl_GetNextEvent (LPDIRECTMUSICBUFFER iface, LPREFERENCE_TIME prt, LPDWORD pdwChannelGroup, LPDWORD pdwLength, LPBYTE* ppData) {
  97         IDirectMusicBufferImpl *This = (IDirectMusicBufferImpl *)iface;
  98         FIXME("(%p, %p, %p, %p, %p): stub\n", This, prt, pdwChannelGroup, pdwLength, ppData);
  99         return S_OK;
 100 }
 101
 102 static HRESULT WINAPI IDirectMusicBufferImpl_GetRawBufferPtr (LPDIRECTMUSICBUFFER iface, LPBYTE* ppData) {
 103         IDirectMusicBufferImpl *This = (IDirectMusicBufferImpl *)iface;
 104         FIXME("(%p, %p): stub\n", This, ppData);
 105         return S_OK;
 106 }
 107
 108 static HRESULT WINAPI IDirectMusicBufferImpl_GetStartTime (LPDIRECTMUSICBUFFER iface, LPREFERENCE_TIME prt) {
 109         IDirectMusicBufferImpl *This = (IDirectMusicBufferImpl *)iface;
 110         FIXME("(%p, %p): stub\n", This, prt);
 111         return S_OK;
 112 }
 113
 114 static HRESULT WINAPI IDirectMusicBufferImpl_GetUsedBytes (LPDIRECTMUSICBUFFER iface, LPDWORD pcb) {
 115         IDirectMusicBufferImpl *This = (IDirectMusicBufferImpl *)iface;
 116         FIXME("(%p, %p): stub\n", This, pcb);
 117         return S_OK;
 118 }
 119
 120 static HRESULT WINAPI IDirectMusicBufferImpl_GetMaxBytes (LPDIRECTMUSICBUFFER iface, LPDWORD pcb) {
 121         IDirectMusicBufferImpl *This = (IDirectMusicBufferImpl *)iface;
 122         FIXME("(%p, %p): stub\n", This, pcb);
 123         return S_OK;
 124 }
 125
 126 static HRESULT WINAPI IDirectMusicBufferImpl_GetBufferFormat (LPDIRECTMUSICBUFFER iface, LPGUID pGuidFormat) {
 127         IDirectMusicBufferImpl *This = (IDirectMusicBufferImpl *)iface;
 128         FIXME("(%p, %p): stub\n", This, pGuidFormat);
 129         return S_OK;
 130 }
 131
 132 static HRESULT WINAPI IDirectMusicBufferImpl_SetStartTime (LPDIRECTMUSICBUFFER iface, REFERENCE_TIME rt) {
 133         IDirectMusicBufferImpl *This = (IDirectMusicBufferImpl *)iface;
 134         FIXME("(%p, 0x%s): stub\n", This, wine_dbgstr_longlong(rt));
 135         return S_OK;
 136 }
 137
 138 static HRESULT WINAPI IDirectMusicBufferImpl_SetUsedBytes (LPDIRECTMUSICBUFFER iface, DWORD cb) {
 139         IDirectMusicBufferImpl *This = (IDirectMusicBufferImpl *)iface;
 140         FIXME("(%p, %d): stub\n", This, cb);
 141         return S_OK;
 142 }
 143
 144 static const IDirectMusicBufferVtbl DirectMusicBuffer_Vtbl = {
 145         IDirectMusicBufferImpl_QueryInterface,
 146         IDirectMusicBufferImpl_AddRef,
 147         IDirectMusicBufferImpl_Release,
 148         IDirectMusicBufferImpl_Flush,
 149         IDirectMusicBufferImpl_TotalTime,
 150         IDirectMusicBufferImpl_PackStructured,
 151         IDirectMusicBufferImpl_PackUnstructured,
 152         IDirectMusicBufferImpl_ResetReadPtr,
 153         IDirectMusicBufferImpl_GetNextEvent,
 154         IDirectMusicBufferImpl_GetRawBufferPtr,
 155         IDirectMusicBufferImpl_GetStartTime,
 156         IDirectMusicBufferImpl_GetUsedBytes,
 157         IDirectMusicBufferImpl_GetMaxBytes,
 158         IDirectMusicBufferImpl_GetBufferFormat,
 159         IDirectMusicBufferImpl_SetStartTime,
 160         IDirectMusicBufferImpl_SetUsedBytes
 161 };
 162
 163 HRESULT WINAPI DMUSIC_CreateDirectMusicBufferImpl(LPDMUS_BUFFERDESC desc, LPVOID* ret_iface)
 164 {
 165     IDirectMusicBufferImpl* dmbuffer;
 166     HRESULT hr;
 167
 168     TRACE("(%p, %p)\n", desc, ret_iface);
 169
 170     *ret_iface = NULL;
 171
 172     dmbuffer = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectMusicBufferImpl));
 173     if (!dmbuffer)
 174         return E_OUTOFMEMORY;
 175
 176     dmbuffer->lpVtbl = &DirectMusicBuffer_Vtbl;
 177     dmbuffer->ref = 0; /* Will be inited by QueryInterface */
 178
 179     memcpy(&dmbuffer->format, &desc->guidBufferFormat, sizeof(GUID));
 180     dmbuffer->size = (desc->cbBuffer + 3) & ~3; /* Buffer size must be multiple of 4 bytes */
 181
 182     dmbuffer->data = HeapAlloc(GetProcessHeap(), 0, dmbuffer->size);
 183     if (!dmbuffer->data) {
 184         HeapFree(GetProcessHeap(), 0, dmbuffer);
 185         return E_OUTOFMEMORY;
 186     }
 187
 188     hr = IDirectMusicBufferImpl_QueryInterface((LPDIRECTMUSICBUFFER)dmbuffer, &IID_IDirectMusicBuffer, ret_iface);
 189     if (FAILED(hr))
 190     {
 191         HeapFree(GetProcessHeap(), 0, dmbuffer->data);
 192         HeapFree(GetProcessHeap(), 0, dmbuffer);
 193     }
 194
 195     return hr;
 196 }