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 static inline IDirectMusicBufferImpl *impl_from_IDirectMusicBuffer(IDirectMusicBuffer *iface)
  25 {
  26     return CONTAINING_RECORD(iface, IDirectMusicBufferImpl, IDirectMusicBuffer_iface);
  27 }
  28
  29 /* IDirectMusicBufferImpl IUnknown part: */
  30 static HRESULT WINAPI IDirectMusicBufferImpl_QueryInterface(LPDIRECTMUSICBUFFER iface, REFIID riid, LPVOID *ppobj)
  31 {
  32         IDirectMusicBufferImpl *This = impl_from_IDirectMusicBuffer(iface);
  33         TRACE("(%p, (%s, %p)\n",This,debugstr_dmguid(riid),ppobj);
  34         if (IsEqualIID (riid, &IID_IUnknown)
  35                 || IsEqualIID (riid, &IID_IDirectMusicBuffer)) {
  36                 IUnknown_AddRef(iface);
  37                 *ppobj = This;
  38                 return S_OK;
  39         }
  40         WARN("(%p, (%s, %p): not found\n",This,debugstr_dmguid(riid),ppobj);
  41         return E_NOINTERFACE;
  42 }
  43
  44 static ULONG WINAPI IDirectMusicBufferImpl_AddRef (LPDIRECTMUSICBUFFER iface)
  45 {
  46         IDirectMusicBufferImpl *This = impl_from_IDirectMusicBuffer(iface);
  47         ULONG refCount = InterlockedIncrement(&This->ref);
  48
  49         TRACE("(%p)->(ref before=%u)\n", This, refCount - 1);
  50
  51         DMUSIC_LockModule();
  52
  53         return refCount;
  54 }
  55
  56 static ULONG WINAPI IDirectMusicBufferImpl_Release(LPDIRECTMUSICBUFFER iface)
  57 {
  58         IDirectMusicBufferImpl *This = impl_from_IDirectMusicBuffer(iface);
  59         ULONG refCount = InterlockedDecrement(&This->ref);
  60
  61         TRACE("(%p)->(ref before=%u)\n", This, refCount + 1);
  62
  63         if (!refCount) {
  64                 HeapFree(GetProcessHeap(), 0, This->data);
  65                 HeapFree(GetProcessHeap(), 0, This);
  66         }
  67
  68         DMUSIC_UnlockModule();
  69
  70         return refCount;
  71 }
  72
  73 /* IDirectMusicBufferImpl IDirectMusicBuffer part: */
  74 static HRESULT WINAPI IDirectMusicBufferImpl_Flush(LPDIRECTMUSICBUFFER iface)
  75 {
  76     IDirectMusicBufferImpl *This = impl_from_IDirectMusicBuffer(iface);
  77
  78     FIXME("(%p): stub\n", This);
  79
  80     return S_OK;
  81 }
  82
  83 static HRESULT WINAPI IDirectMusicBufferImpl_TotalTime(LPDIRECTMUSICBUFFER iface, LPREFERENCE_TIME prtTime)
  84 {
  85     IDirectMusicBufferImpl *This = impl_from_IDirectMusicBuffer(iface);
  86
  87     FIXME("(%p, %p): stub\n", This, prtTime);
  88
  89     return S_OK;
  90 }
  91
  92 static HRESULT WINAPI IDirectMusicBufferImpl_PackStructured(LPDIRECTMUSICBUFFER iface, REFERENCE_TIME rt, DWORD dwChannelGroup, DWORD dwChannelMessage)
  93 {
  94     IDirectMusicBufferImpl *This = impl_from_IDirectMusicBuffer(iface);
  95
  96     FIXME("(%p, 0x%s, %d, %d): stub\n", This, wine_dbgstr_longlong(rt), dwChannelGroup, dwChannelMessage);
  97
  98     return S_OK;
  99 }
 100
 101 static HRESULT WINAPI IDirectMusicBufferImpl_PackUnstructured(LPDIRECTMUSICBUFFER iface, REFERENCE_TIME rt, DWORD dwChannelGroup, DWORD cb, LPBYTE lpb)
 102 {
 103     IDirectMusicBufferImpl *This = impl_from_IDirectMusicBuffer(iface);
 104
 105     FIXME("(%p, 0x%s, %d, %d, %p): stub\n", This, wine_dbgstr_longlong(rt), dwChannelGroup, cb, lpb);
 106
 107     return S_OK;
 108 }
 109
 110 static HRESULT WINAPI IDirectMusicBufferImpl_ResetReadPtr(LPDIRECTMUSICBUFFER iface)
 111 {
 112     IDirectMusicBufferImpl *This = impl_from_IDirectMusicBuffer(iface);
 113
 114     FIXME("(%p): stub\n", This);
 115
 116     return S_OK;
 117 }
 118
 119 static HRESULT WINAPI IDirectMusicBufferImpl_GetNextEvent(LPDIRECTMUSICBUFFER iface, LPREFERENCE_TIME prt, LPDWORD pdwChannelGroup, LPDWORD pdwLength, LPBYTE* ppData)
 120 {
 121     IDirectMusicBufferImpl *This = impl_from_IDirectMusicBuffer(iface);
 122
 123     FIXME("(%p, %p, %p, %p, %p): stub\n", This, prt, pdwChannelGroup, pdwLength, ppData);
 124
 125     return S_OK;
 126 }
 127
 128 static HRESULT WINAPI IDirectMusicBufferImpl_GetRawBufferPtr(LPDIRECTMUSICBUFFER iface, LPBYTE* data)
 129 {
 130     IDirectMusicBufferImpl *This = impl_from_IDirectMusicBuffer(iface);
 131
 132     TRACE("(%p)->(%p)\n", iface, data);
 133
 134     if (!data)
 135         return E_POINTER;
 136
 137     *data = This->data;
 138
 139     return S_OK;
 140 }
 141
 142 static HRESULT WINAPI IDirectMusicBufferImpl_GetStartTime(LPDIRECTMUSICBUFFER iface, LPREFERENCE_TIME prt)
 143 {
 144     IDirectMusicBufferImpl *This = impl_from_IDirectMusicBuffer(iface);
 145
 146     FIXME("(%p, %p): stub\n", This, prt);
 147
 148     return S_OK;
 149 }
 150
 151 static HRESULT WINAPI IDirectMusicBufferImpl_GetUsedBytes(LPDIRECTMUSICBUFFER iface, LPDWORD pcb)
 152 {
 153     IDirectMusicBufferImpl *This = impl_from_IDirectMusicBuffer(iface);
 154
 155     FIXME("(%p, %p): stub\n", This, pcb);
 156
 157     return S_OK;
 158 }
 159
 160 static HRESULT WINAPI IDirectMusicBufferImpl_GetMaxBytes(LPDIRECTMUSICBUFFER iface, LPDWORD max_bytes)
 161 {
 162     IDirectMusicBufferImpl *This = impl_from_IDirectMusicBuffer(iface);
 163
 164     TRACE("(%p)->(%p)\n", iface, max_bytes);
 165
 166     if (!max_bytes)
 167         return E_POINTER;
 168
 169     *max_bytes = This->size;
 170
 171     return S_OK;
 172 }
 173
 174 static HRESULT WINAPI IDirectMusicBufferImpl_GetBufferFormat(LPDIRECTMUSICBUFFER iface, LPGUID format)
 175 {
 176     IDirectMusicBufferImpl *This = impl_from_IDirectMusicBuffer(iface);
 177
 178     TRACE("(%p)->(%p)\n", iface, format);
 179
 180     if (!format)
 181         return E_POINTER;
 182
 183     *format = This->format;
 184     return S_OK;
 185 }
 186
 187 static HRESULT WINAPI IDirectMusicBufferImpl_SetStartTime(LPDIRECTMUSICBUFFER iface, REFERENCE_TIME rt)
 188 {
 189     IDirectMusicBufferImpl *This = impl_from_IDirectMusicBuffer(iface);
 190
 191     FIXME("(%p, 0x%s): stub\n", This, wine_dbgstr_longlong(rt));
 192
 193     return S_OK;
 194 }
 195
 196 static HRESULT WINAPI IDirectMusicBufferImpl_SetUsedBytes (LPDIRECTMUSICBUFFER iface, DWORD cb)
 197 {
 198     IDirectMusicBufferImpl *This = impl_from_IDirectMusicBuffer(iface);
 199
 200     FIXME("(%p, %d): stub\n", This, cb);
 201
 202     return S_OK;
 203 }
 204
 205 static const IDirectMusicBufferVtbl DirectMusicBuffer_Vtbl = {
 206         IDirectMusicBufferImpl_QueryInterface,
 207         IDirectMusicBufferImpl_AddRef,
 208         IDirectMusicBufferImpl_Release,
 209         IDirectMusicBufferImpl_Flush,
 210         IDirectMusicBufferImpl_TotalTime,
 211         IDirectMusicBufferImpl_PackStructured,
 212         IDirectMusicBufferImpl_PackUnstructured,
 213         IDirectMusicBufferImpl_ResetReadPtr,
 214         IDirectMusicBufferImpl_GetNextEvent,
 215         IDirectMusicBufferImpl_GetRawBufferPtr,
 216         IDirectMusicBufferImpl_GetStartTime,
 217         IDirectMusicBufferImpl_GetUsedBytes,
 218         IDirectMusicBufferImpl_GetMaxBytes,
 219         IDirectMusicBufferImpl_GetBufferFormat,
 220         IDirectMusicBufferImpl_SetStartTime,
 221         IDirectMusicBufferImpl_SetUsedBytes
 222 };
 223
 224 HRESULT DMUSIC_CreateDirectMusicBufferImpl(LPDMUS_BUFFERDESC desc, LPVOID* ret_iface)
 225 {
 226     IDirectMusicBufferImpl* dmbuffer;
 227     HRESULT hr;
 228
 229     TRACE("(%p, %p)\n", desc, ret_iface);
 230
 231     *ret_iface = NULL;
 232
 233     dmbuffer = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectMusicBufferImpl));
 234     if (!dmbuffer)
 235         return E_OUTOFMEMORY;
 236
 237     dmbuffer->IDirectMusicBuffer_iface.lpVtbl = &DirectMusicBuffer_Vtbl;
 238     dmbuffer->ref = 0; /* Will be inited by QueryInterface */
 239
 240     memcpy(&dmbuffer->format, &desc->guidBufferFormat, sizeof(GUID));
 241     dmbuffer->size = (desc->cbBuffer + 3) & ~3; /* Buffer size must be multiple of 4 bytes */
 242
 243     dmbuffer->data = HeapAlloc(GetProcessHeap(), 0, dmbuffer->size);
 244     if (!dmbuffer->data) {
 245         HeapFree(GetProcessHeap(), 0, dmbuffer);
 246         return E_OUTOFMEMORY;
 247     }
 248
 249     hr = IDirectMusicBufferImpl_QueryInterface((LPDIRECTMUSICBUFFER)dmbuffer, &IID_IDirectMusicBuffer, ret_iface);
 250     if (FAILED(hr))
 251     {
 252         HeapFree(GetProcessHeap(), 0, dmbuffer->data);
 253         HeapFree(GetProcessHeap(), 0, dmbuffer);
 254     }
 255
 256     return hr;
 257 }