dlls/mmdevapi/audiovolume.c

   1 /*
   2  * Copyright 2010 Maarten Lankhorst for CodeWeavers
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  17  */
  18
  19 #define COBJMACROS
  20
  21 #include <stdarg.h>
  22
  23 #include "windef.h"
  24 #include "winbase.h"
  25 #include "winnls.h"
  26 #include "winreg.h"
  27 #include "wine/debug.h"
  28
  29 #include "ole2.h"
  30 #include "mmdeviceapi.h"
  31 #include "mmsystem.h"
  32 #include "dsound.h"
  33 #include "audioclient.h"
  34 #include "endpointvolume.h"
  35 #include "audiopolicy.h"
  36
  37 #include "mmdevapi.h"
  38
  39 WINE_DEFAULT_DEBUG_CHANNEL(mmdevapi);
  40
  41 typedef struct AEVImpl {
  42     IAudioEndpointVolumeEx IAudioEndpointVolumeEx_iface;
  43     LONG ref;
  44     float master_vol;
  45     BOOL mute;
  46 } AEVImpl;
  47
  48 static inline AEVImpl *impl_from_IAudioEndpointVolumeEx(IAudioEndpointVolumeEx *iface)
  49 {
  50     return CONTAINING_RECORD(iface, AEVImpl, IAudioEndpointVolumeEx_iface);
  51 }
  52
  53 static void AudioEndpointVolume_Destroy(AEVImpl *This)
  54 {
  55     HeapFree(GetProcessHeap(), 0, This);
  56 }
  57
  58 static HRESULT WINAPI AEV_QueryInterface(IAudioEndpointVolumeEx *iface, REFIID riid, void **ppv)
  59 {
  60     AEVImpl *This = impl_from_IAudioEndpointVolumeEx(iface);
  61     TRACE("(%p)->(%s,%p)\n", This, debugstr_guid(riid), ppv);
  62     if (!ppv)
  63         return E_POINTER;
  64     *ppv = NULL;
  65     if (IsEqualIID(riid, &IID_IUnknown) ||
  66         IsEqualIID(riid, &IID_IAudioEndpointVolume) ||
  67         IsEqualIID(riid, &IID_IAudioEndpointVolumeEx)) {
  68         *ppv = &This->IAudioEndpointVolumeEx_iface;
  69     }
  70     else
  71         return E_NOINTERFACE;
  72     IUnknown_AddRef((IUnknown *)*ppv);
  73     return S_OK;
  74 }
  75
  76 static ULONG WINAPI AEV_AddRef(IAudioEndpointVolumeEx *iface)
  77 {
  78     AEVImpl *This = impl_from_IAudioEndpointVolumeEx(iface);
  79     ULONG ref = InterlockedIncrement(&This->ref);
  80     TRACE("(%p) new ref %u\n", This, ref);
  81     return ref;
  82 }
  83
  84 static ULONG WINAPI AEV_Release(IAudioEndpointVolumeEx *iface)
  85 {
  86     AEVImpl *This = impl_from_IAudioEndpointVolumeEx(iface);
  87     ULONG ref = InterlockedDecrement(&This->ref);
  88     TRACE("(%p) new ref %u\n", This, ref);
  89     if (!ref)
  90         AudioEndpointVolume_Destroy(This);
  91     return ref;
  92 }
  93
  94 static HRESULT WINAPI AEV_RegisterControlChangeNotify(IAudioEndpointVolumeEx *iface, IAudioEndpointVolumeCallback *notify)
  95 {
  96     TRACE("(%p)->(%p)\n", iface, notify);
  97     if (!notify)
  98         return E_POINTER;
  99     FIXME("stub\n");
 100     return S_OK;
 101 }
 102
 103 static HRESULT WINAPI AEV_UnregisterControlChangeNotify(IAudioEndpointVolumeEx *iface, IAudioEndpointVolumeCallback *notify)
 104 {
 105     TRACE("(%p)->(%p)\n", iface, notify);
 106     if (!notify)
 107         return E_POINTER;
 108     FIXME("stub\n");
 109     return S_OK;
 110 }
 111
 112 static HRESULT WINAPI AEV_GetChannelCount(IAudioEndpointVolumeEx *iface, UINT *count)
 113 {
 114     TRACE("(%p)->(%p)\n", iface, count);
 115     if (!count)
 116         return E_POINTER;
 117     FIXME("stub\n");
 118     return E_NOTIMPL;
 119 }
 120
 121 static HRESULT WINAPI AEV_SetMasterVolumeLevel(IAudioEndpointVolumeEx *iface, float leveldb, const GUID *ctx)
 122 {
 123     AEVImpl *This = impl_from_IAudioEndpointVolumeEx(iface);
 124
 125     TRACE("(%p)->(%f,%s)\n", iface, leveldb, debugstr_guid(ctx));
 126
 127     if(leveldb < -100.f || leveldb > 0.f)
 128         return E_INVALIDARG;
 129
 130     This->master_vol = leveldb;
 131
 132     return S_OK;
 133 }
 134
 135 static HRESULT WINAPI AEV_SetMasterVolumeLevelScalar(IAudioEndpointVolumeEx *iface, float level, const GUID *ctx)
 136 {
 137     TRACE("(%p)->(%f,%s)\n", iface, level, debugstr_guid(ctx));
 138     FIXME("stub\n");
 139     return E_NOTIMPL;
 140 }
 141
 142 static HRESULT WINAPI AEV_GetMasterVolumeLevel(IAudioEndpointVolumeEx *iface, float *leveldb)
 143 {
 144     AEVImpl *This = impl_from_IAudioEndpointVolumeEx(iface);
 145
 146     TRACE("(%p)->(%p)\n", iface, leveldb);
 147
 148     if (!leveldb)
 149         return E_POINTER;
 150
 151     *leveldb = This->master_vol;
 152
 153     return S_OK;
 154 }
 155
 156 static HRESULT WINAPI AEV_GetMasterVolumeLevelScalar(IAudioEndpointVolumeEx *iface, float *level)
 157 {
 158     TRACE("(%p)->(%p)\n", iface, level);
 159     if (!level)
 160         return E_POINTER;
 161     FIXME("stub\n");
 162     return E_NOTIMPL;
 163 }
 164
 165 static HRESULT WINAPI AEV_SetChannelVolumeLevel(IAudioEndpointVolumeEx *iface, UINT chan, float leveldb, const GUID *ctx)
 166 {
 167     TRACE("(%p)->(%f,%s)\n", iface, leveldb, debugstr_guid(ctx));
 168     FIXME("stub\n");
 169     return E_NOTIMPL;
 170 }
 171
 172 static HRESULT WINAPI AEV_SetChannelVolumeLevelScalar(IAudioEndpointVolumeEx *iface, UINT chan, float level, const GUID *ctx)
 173 {
 174     TRACE("(%p)->(%u,%f,%s)\n", iface, chan, level, debugstr_guid(ctx));
 175     FIXME("stub\n");
 176     return E_NOTIMPL;
 177 }
 178
 179 static HRESULT WINAPI AEV_GetChannelVolumeLevel(IAudioEndpointVolumeEx *iface, UINT chan, float *leveldb)
 180 {
 181     TRACE("(%p)->(%u,%p)\n", iface, chan, leveldb);
 182     if (!leveldb)
 183         return E_POINTER;
 184     FIXME("stub\n");
 185     return E_NOTIMPL;
 186 }
 187
 188 static HRESULT WINAPI AEV_GetChannelVolumeLevelScalar(IAudioEndpointVolumeEx *iface, UINT chan, float *level)
 189 {
 190     TRACE("(%p)->(%u,%p)\n", iface, chan, level);
 191     if (!level)
 192         return E_POINTER;
 193     FIXME("stub\n");
 194     return E_NOTIMPL;
 195 }
 196
 197 static HRESULT WINAPI AEV_SetMute(IAudioEndpointVolumeEx *iface, BOOL mute, const GUID *ctx)
 198 {
 199     AEVImpl *This = impl_from_IAudioEndpointVolumeEx(iface);
 200     HRESULT ret;
 201
 202     TRACE("(%p)->(%u,%s)\n", iface, mute, debugstr_guid(ctx));
 203
 204     ret = This->mute == mute ? S_FALSE : S_OK;
 205
 206     This->mute = mute;
 207
 208     return ret;
 209 }
 210
 211 static HRESULT WINAPI AEV_GetMute(IAudioEndpointVolumeEx *iface, BOOL *mute)
 212 {
 213     AEVImpl *This = impl_from_IAudioEndpointVolumeEx(iface);
 214
 215     TRACE("(%p)->(%p)\n", iface, mute);
 216
 217     if (!mute)
 218         return E_POINTER;
 219
 220     *mute = This->mute;
 221
 222     return S_OK;
 223 }
 224
 225 static HRESULT WINAPI AEV_GetVolumeStepInfo(IAudioEndpointVolumeEx *iface, UINT *stepsize, UINT *stepcount)
 226 {
 227     TRACE("(%p)->(%p,%p)\n", iface, stepsize, stepcount);
 228     if (!stepsize && !stepcount)
 229         return E_POINTER;
 230     FIXME("stub\n");
 231     return E_NOTIMPL;
 232 }
 233
 234 static HRESULT WINAPI AEV_VolumeStepUp(IAudioEndpointVolumeEx *iface, const GUID *ctx)
 235 {
 236     TRACE("(%p)->(%s)\n", iface, debugstr_guid(ctx));
 237     FIXME("stub\n");
 238     return E_NOTIMPL;
 239 }
 240
 241 static HRESULT WINAPI AEV_VolumeStepDown(IAudioEndpointVolumeEx *iface, const GUID *ctx)
 242 {
 243     TRACE("(%p)->(%s)\n", iface, debugstr_guid(ctx));
 244     FIXME("stub\n");
 245     return E_NOTIMPL;
 246 }
 247
 248 static HRESULT WINAPI AEV_QueryHardwareSupport(IAudioEndpointVolumeEx *iface, DWORD *mask)
 249 {
 250     TRACE("(%p)->(%p)\n", iface, mask);
 251     if (!mask)
 252         return E_POINTER;
 253     FIXME("stub\n");
 254     return E_NOTIMPL;
 255 }
 256
 257 static HRESULT WINAPI AEV_GetVolumeRange(IAudioEndpointVolumeEx *iface, float *mindb, float *maxdb, float *inc)
 258 {
 259     TRACE("(%p)->(%p,%p,%p)\n", iface, mindb, maxdb, inc);
 260
 261     if (!mindb || !maxdb || !inc)
 262         return E_POINTER;
 263
 264     *mindb = -100.f;
 265     *maxdb = 0.f;
 266     *inc = 1.f;
 267
 268     return S_OK;
 269 }
 270
 271 static HRESULT WINAPI AEV_GetVolumeRangeChannel(IAudioEndpointVolumeEx *iface, UINT chan, float *mindb, float *maxdb, float *inc)
 272 {
 273     TRACE("(%p)->(%p,%p,%p)\n", iface, mindb, maxdb, inc);
 274     if (!mindb || !maxdb || !inc)
 275         return E_POINTER;
 276     FIXME("stub\n");
 277     return E_NOTIMPL;
 278 }
 279
 280 static const IAudioEndpointVolumeExVtbl AEVImpl_Vtbl = {
 281     AEV_QueryInterface,
 282     AEV_AddRef,
 283     AEV_Release,
 284     AEV_RegisterControlChangeNotify,
 285     AEV_UnregisterControlChangeNotify,
 286     AEV_GetChannelCount,
 287     AEV_SetMasterVolumeLevel,
 288     AEV_SetMasterVolumeLevelScalar,
 289     AEV_GetMasterVolumeLevel,
 290     AEV_GetMasterVolumeLevelScalar,
 291     AEV_SetChannelVolumeLevel,
 292     AEV_SetChannelVolumeLevelScalar,
 293     AEV_GetChannelVolumeLevel,
 294     AEV_GetChannelVolumeLevelScalar,
 295     AEV_SetMute,
 296     AEV_GetMute,
 297     AEV_GetVolumeStepInfo,
 298     AEV_VolumeStepUp,
 299     AEV_VolumeStepDown,
 300     AEV_QueryHardwareSupport,
 301     AEV_GetVolumeRange,
 302     AEV_GetVolumeRangeChannel
 303 };
 304
 305 HRESULT AudioEndpointVolume_Create(MMDevice *parent, IAudioEndpointVolumeEx **ppv)
 306 {
 307     AEVImpl *This;
 308
 309     *ppv = NULL;
 310     This = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*This));
 311     if (!This)
 312         return E_OUTOFMEMORY;
 313     This->IAudioEndpointVolumeEx_iface.lpVtbl = &AEVImpl_Vtbl;
 314     This->ref = 1;
 315
 316     *ppv = &This->IAudioEndpointVolumeEx_iface;
 317     return S_OK;
 318 }