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 #include "spatialaudioclient.h"
  37
  38 #include "mmdevapi.h"
  39
  40 WINE_DEFAULT_DEBUG_CHANNEL(mmdevapi);
  41
  42 typedef struct AEVImpl {
  43     IAudioEndpointVolumeEx IAudioEndpointVolumeEx_iface;
  44     LONG ref;
  45     float master_vol;
  46     BOOL mute;
  47 } AEVImpl;
  48
  49 static inline AEVImpl *impl_from_IAudioEndpointVolumeEx(IAudioEndpointVolumeEx *iface)
  50 {
  51     return CONTAINING_RECORD(iface, AEVImpl, IAudioEndpointVolumeEx_iface);
  52 }
  53
  54 static void AudioEndpointVolume_Destroy(AEVImpl *This)
  55 {
  56     HeapFree(GetProcessHeap(), 0, This);
  57 }
  58
  59 static HRESULT WINAPI AEV_QueryInterface(IAudioEndpointVolumeEx *iface, REFIID riid, void **ppv)
  60 {
  61     AEVImpl *This = impl_from_IAudioEndpointVolumeEx(iface);
  62     TRACE("(%p)->(%s,%p)\n", This, debugstr_guid(riid), ppv);
  63     if (!ppv)
  64         return E_POINTER;
  65     *ppv = NULL;
  66     if (IsEqualIID(riid, &IID_IUnknown) ||
  67         IsEqualIID(riid, &IID_IAudioEndpointVolume) ||
  68         IsEqualIID(riid, &IID_IAudioEndpointVolumeEx)) {
  69         *ppv = &This->IAudioEndpointVolumeEx_iface;
  70     }
  71     else
  72         return E_NOINTERFACE;
  73     IUnknown_AddRef((IUnknown *)*ppv);
  74     return S_OK;
  75 }
  76
  77 static ULONG WINAPI AEV_AddRef(IAudioEndpointVolumeEx *iface)
  78 {
  79     AEVImpl *This = impl_from_IAudioEndpointVolumeEx(iface);
  80     ULONG ref = InterlockedIncrement(&This->ref);
  81     TRACE("(%p) new ref %u\n", This, ref);
  82     return ref;
  83 }
  84
  85 static ULONG WINAPI AEV_Release(IAudioEndpointVolumeEx *iface)
  86 {
  87     AEVImpl *This = impl_from_IAudioEndpointVolumeEx(iface);
  88     ULONG ref = InterlockedDecrement(&This->ref);
  89     TRACE("(%p) new ref %u\n", This, ref);
  90     if (!ref)
  91         AudioEndpointVolume_Destroy(This);
  92     return ref;
  93 }
  94
  95 static HRESULT WINAPI AEV_RegisterControlChangeNotify(IAudioEndpointVolumeEx *iface, IAudioEndpointVolumeCallback *notify)
  96 {
  97     TRACE("(%p)->(%p)\n", iface, notify);
  98     if (!notify)
  99         return E_POINTER;
 100     FIXME("stub\n");
 101     return S_OK;
 102 }
 103
 104 static HRESULT WINAPI AEV_UnregisterControlChangeNotify(IAudioEndpointVolumeEx *iface, IAudioEndpointVolumeCallback *notify)
 105 {
 106     TRACE("(%p)->(%p)\n", iface, notify);
 107     if (!notify)
 108         return E_POINTER;
 109     FIXME("stub\n");
 110     return S_OK;
 111 }
 112
 113 static HRESULT WINAPI AEV_GetChannelCount(IAudioEndpointVolumeEx *iface, UINT *count)
 114 {
 115     TRACE("(%p)->(%p)\n", iface, count);
 116     if (!count)
 117         return E_POINTER;
 118     FIXME("stub\n");
 119     return E_NOTIMPL;
 120 }
 121
 122 static HRESULT WINAPI AEV_SetMasterVolumeLevel(IAudioEndpointVolumeEx *iface, float leveldb, const GUID *ctx)
 123 {
 124     AEVImpl *This = impl_from_IAudioEndpointVolumeEx(iface);
 125
 126     TRACE("(%p)->(%f,%s)\n", iface, leveldb, debugstr_guid(ctx));
 127
 128     if(leveldb < -100.f || leveldb > 0.f)
 129         return E_INVALIDARG;
 130
 131     This->master_vol = leveldb;
 132
 133     return S_OK;
 134 }
 135
 136 static HRESULT WINAPI AEV_SetMasterVolumeLevelScalar(IAudioEndpointVolumeEx *iface, float level, const GUID *ctx)
 137 {
 138     TRACE("(%p)->(%f,%s)\n", iface, level, debugstr_guid(ctx));
 139     FIXME("stub\n");
 140     return E_NOTIMPL;
 141 }
 142
 143 static HRESULT WINAPI AEV_GetMasterVolumeLevel(IAudioEndpointVolumeEx *iface, float *leveldb)
 144 {
 145     AEVImpl *This = impl_from_IAudioEndpointVolumeEx(iface);
 146
 147     TRACE("(%p)->(%p)\n", iface, leveldb);
 148
 149     if (!leveldb)
 150         return E_POINTER;
 151
 152     *leveldb = This->master_vol;
 153
 154     return S_OK;
 155 }
 156
 157 static HRESULT WINAPI AEV_GetMasterVolumeLevelScalar(IAudioEndpointVolumeEx *iface, float *level)
 158 {
 159     TRACE("(%p)->(%p)\n", iface, level);
 160     if (!level)
 161         return E_POINTER;
 162     FIXME("stub\n");
 163     *level = 1.0;
 164     return S_OK;
 165 }
 166
 167 static HRESULT WINAPI AEV_SetChannelVolumeLevel(IAudioEndpointVolumeEx *iface, UINT chan, float leveldb, const GUID *ctx)
 168 {
 169     TRACE("(%p)->(%f,%s)\n", iface, leveldb, debugstr_guid(ctx));
 170     FIXME("stub\n");
 171     return E_NOTIMPL;
 172 }
 173
 174 static HRESULT WINAPI AEV_SetChannelVolumeLevelScalar(IAudioEndpointVolumeEx *iface, UINT chan, float level, const GUID *ctx)
 175 {
 176     TRACE("(%p)->(%u,%f,%s)\n", iface, chan, level, debugstr_guid(ctx));
 177     FIXME("stub\n");
 178     return E_NOTIMPL;
 179 }
 180
 181 static HRESULT WINAPI AEV_GetChannelVolumeLevel(IAudioEndpointVolumeEx *iface, UINT chan, float *leveldb)
 182 {
 183     TRACE("(%p)->(%u,%p)\n", iface, chan, leveldb);
 184     if (!leveldb)
 185         return E_POINTER;
 186     FIXME("stub\n");
 187     return E_NOTIMPL;
 188 }
 189
 190 static HRESULT WINAPI AEV_GetChannelVolumeLevelScalar(IAudioEndpointVolumeEx *iface, UINT chan, float *level)
 191 {
 192     TRACE("(%p)->(%u,%p)\n", iface, chan, level);
 193     if (!level)
 194         return E_POINTER;
 195     FIXME("stub\n");
 196     return E_NOTIMPL;
 197 }
 198
 199 static HRESULT WINAPI AEV_SetMute(IAudioEndpointVolumeEx *iface, BOOL mute, const GUID *ctx)
 200 {
 201     AEVImpl *This = impl_from_IAudioEndpointVolumeEx(iface);
 202     HRESULT ret;
 203
 204     TRACE("(%p)->(%u,%s)\n", iface, mute, debugstr_guid(ctx));
 205
 206     ret = This->mute == mute ? S_FALSE : S_OK;
 207
 208     This->mute = mute;
 209
 210     return ret;
 211 }
 212
 213 static HRESULT WINAPI AEV_GetMute(IAudioEndpointVolumeEx *iface, BOOL *mute)
 214 {
 215     AEVImpl *This = impl_from_IAudioEndpointVolumeEx(iface);
 216
 217     TRACE("(%p)->(%p)\n", iface, mute);
 218
 219     if (!mute)
 220         return E_POINTER;
 221
 222     *mute = This->mute;
 223
 224     return S_OK;
 225 }
 226
 227 static HRESULT WINAPI AEV_GetVolumeStepInfo(IAudioEndpointVolumeEx *iface, UINT *stepsize, UINT *stepcount)
 228 {
 229     TRACE("(%p)->(%p,%p)\n", iface, stepsize, stepcount);
 230     if (!stepsize && !stepcount)
 231         return E_POINTER;
 232     FIXME("stub\n");
 233     return E_NOTIMPL;
 234 }
 235
 236 static HRESULT WINAPI AEV_VolumeStepUp(IAudioEndpointVolumeEx *iface, const GUID *ctx)
 237 {
 238     TRACE("(%p)->(%s)\n", iface, debugstr_guid(ctx));
 239     FIXME("stub\n");
 240     return E_NOTIMPL;
 241 }
 242
 243 static HRESULT WINAPI AEV_VolumeStepDown(IAudioEndpointVolumeEx *iface, const GUID *ctx)
 244 {
 245     TRACE("(%p)->(%s)\n", iface, debugstr_guid(ctx));
 246     FIXME("stub\n");
 247     return E_NOTIMPL;
 248 }
 249
 250 static HRESULT WINAPI AEV_QueryHardwareSupport(IAudioEndpointVolumeEx *iface, DWORD *mask)
 251 {
 252     TRACE("(%p)->(%p)\n", iface, mask);
 253     if (!mask)
 254         return E_POINTER;
 255     FIXME("stub\n");
 256     return E_NOTIMPL;
 257 }
 258
 259 static HRESULT WINAPI AEV_GetVolumeRange(IAudioEndpointVolumeEx *iface, float *mindb, float *maxdb, float *inc)
 260 {
 261     TRACE("(%p)->(%p,%p,%p)\n", iface, mindb, maxdb, inc);
 262
 263     if (!mindb || !maxdb || !inc)
 264         return E_POINTER;
 265
 266     *mindb = -100.f;
 267     *maxdb = 0.f;
 268     *inc = 1.f;
 269
 270     return S_OK;
 271 }
 272
 273 static HRESULT WINAPI AEV_GetVolumeRangeChannel(IAudioEndpointVolumeEx *iface, UINT chan, float *mindb, float *maxdb, float *inc)
 274 {
 275     TRACE("(%p)->(%p,%p,%p)\n", iface, mindb, maxdb, inc);
 276     if (!mindb || !maxdb || !inc)
 277         return E_POINTER;
 278     FIXME("stub\n");
 279     return E_NOTIMPL;
 280 }
 281
 282 static const IAudioEndpointVolumeExVtbl AEVImpl_Vtbl = {
 283     AEV_QueryInterface,
 284     AEV_AddRef,
 285     AEV_Release,
 286     AEV_RegisterControlChangeNotify,
 287     AEV_UnregisterControlChangeNotify,
 288     AEV_GetChannelCount,
 289     AEV_SetMasterVolumeLevel,
 290     AEV_SetMasterVolumeLevelScalar,
 291     AEV_GetMasterVolumeLevel,
 292     AEV_GetMasterVolumeLevelScalar,
 293     AEV_SetChannelVolumeLevel,
 294     AEV_SetChannelVolumeLevelScalar,
 295     AEV_GetChannelVolumeLevel,
 296     AEV_GetChannelVolumeLevelScalar,
 297     AEV_SetMute,
 298     AEV_GetMute,
 299     AEV_GetVolumeStepInfo,
 300     AEV_VolumeStepUp,
 301     AEV_VolumeStepDown,
 302     AEV_QueryHardwareSupport,
 303     AEV_GetVolumeRange,
 304     AEV_GetVolumeRangeChannel
 305 };
 306
 307 HRESULT AudioEndpointVolume_Create(MMDevice *parent, IAudioEndpointVolumeEx **ppv)
 308 {
 309     AEVImpl *This;
 310
 311     *ppv = NULL;
 312     This = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*This));
 313     if (!This)
 314         return E_OUTOFMEMORY;
 315     This->IAudioEndpointVolumeEx_iface.lpVtbl = &AEVImpl_Vtbl;
 316     This->ref = 1;
 317
 318     *ppv = &This->IAudioEndpointVolumeEx_iface;
 319     return S_OK;
 320 }