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     *level = 1.0;
 163     return S_OK;
 164 }
 165
 166 static HRESULT WINAPI AEV_SetChannelVolumeLevel(IAudioEndpointVolumeEx *iface, UINT chan, float leveldb, const GUID *ctx)
 167 {
 168     TRACE("(%p)->(%f,%s)\n", iface, leveldb, debugstr_guid(ctx));
 169     FIXME("stub\n");
 170     return E_NOTIMPL;
 171 }
 172
 173 static HRESULT WINAPI AEV_SetChannelVolumeLevelScalar(IAudioEndpointVolumeEx *iface, UINT chan, float level, const GUID *ctx)
 174 {
 175     TRACE("(%p)->(%u,%f,%s)\n", iface, chan, level, debugstr_guid(ctx));
 176     FIXME("stub\n");
 177     return E_NOTIMPL;
 178 }
 179
 180 static HRESULT WINAPI AEV_GetChannelVolumeLevel(IAudioEndpointVolumeEx *iface, UINT chan, float *leveldb)
 181 {
 182     TRACE("(%p)->(%u,%p)\n", iface, chan, leveldb);
 183     if (!leveldb)
 184         return E_POINTER;
 185     FIXME("stub\n");
 186     return E_NOTIMPL;
 187 }
 188
 189 static HRESULT WINAPI AEV_GetChannelVolumeLevelScalar(IAudioEndpointVolumeEx *iface, UINT chan, float *level)
 190 {
 191     TRACE("(%p)->(%u,%p)\n", iface, chan, level);
 192     if (!level)
 193         return E_POINTER;
 194     FIXME("stub\n");
 195     return E_NOTIMPL;
 196 }
 197
 198 static HRESULT WINAPI AEV_SetMute(IAudioEndpointVolumeEx *iface, BOOL mute, const GUID *ctx)
 199 {
 200     AEVImpl *This = impl_from_IAudioEndpointVolumeEx(iface);
 201     HRESULT ret;
 202
 203     TRACE("(%p)->(%u,%s)\n", iface, mute, debugstr_guid(ctx));
 204
 205     ret = This->mute == mute ? S_FALSE : S_OK;
 206
 207     This->mute = mute;
 208
 209     return ret;
 210 }
 211
 212 static HRESULT WINAPI AEV_GetMute(IAudioEndpointVolumeEx *iface, BOOL *mute)
 213 {
 214     AEVImpl *This = impl_from_IAudioEndpointVolumeEx(iface);
 215
 216     TRACE("(%p)->(%p)\n", iface, mute);
 217
 218     if (!mute)
 219         return E_POINTER;
 220
 221     *mute = This->mute;
 222
 223     return S_OK;
 224 }
 225
 226 static HRESULT WINAPI AEV_GetVolumeStepInfo(IAudioEndpointVolumeEx *iface, UINT *stepsize, UINT *stepcount)
 227 {
 228     TRACE("(%p)->(%p,%p)\n", iface, stepsize, stepcount);
 229     if (!stepsize && !stepcount)
 230         return E_POINTER;
 231     FIXME("stub\n");
 232     return E_NOTIMPL;
 233 }
 234
 235 static HRESULT WINAPI AEV_VolumeStepUp(IAudioEndpointVolumeEx *iface, const GUID *ctx)
 236 {
 237     TRACE("(%p)->(%s)\n", iface, debugstr_guid(ctx));
 238     FIXME("stub\n");
 239     return E_NOTIMPL;
 240 }
 241
 242 static HRESULT WINAPI AEV_VolumeStepDown(IAudioEndpointVolumeEx *iface, const GUID *ctx)
 243 {
 244     TRACE("(%p)->(%s)\n", iface, debugstr_guid(ctx));
 245     FIXME("stub\n");
 246     return E_NOTIMPL;
 247 }
 248
 249 static HRESULT WINAPI AEV_QueryHardwareSupport(IAudioEndpointVolumeEx *iface, DWORD *mask)
 250 {
 251     TRACE("(%p)->(%p)\n", iface, mask);
 252     if (!mask)
 253         return E_POINTER;
 254     FIXME("stub\n");
 255     return E_NOTIMPL;
 256 }
 257
 258 static HRESULT WINAPI AEV_GetVolumeRange(IAudioEndpointVolumeEx *iface, float *mindb, float *maxdb, float *inc)
 259 {
 260     TRACE("(%p)->(%p,%p,%p)\n", iface, mindb, maxdb, inc);
 261
 262     if (!mindb || !maxdb || !inc)
 263         return E_POINTER;
 264
 265     *mindb = -100.f;
 266     *maxdb = 0.f;
 267     *inc = 1.f;
 268
 269     return S_OK;
 270 }
 271
 272 static HRESULT WINAPI AEV_GetVolumeRangeChannel(IAudioEndpointVolumeEx *iface, UINT chan, float *mindb, float *maxdb, float *inc)
 273 {
 274     TRACE("(%p)->(%p,%p,%p)\n", iface, mindb, maxdb, inc);
 275     if (!mindb || !maxdb || !inc)
 276         return E_POINTER;
 277     FIXME("stub\n");
 278     return E_NOTIMPL;
 279 }
 280
 281 static const IAudioEndpointVolumeExVtbl AEVImpl_Vtbl = {
 282     AEV_QueryInterface,
 283     AEV_AddRef,
 284     AEV_Release,
 285     AEV_RegisterControlChangeNotify,
 286     AEV_UnregisterControlChangeNotify,
 287     AEV_GetChannelCount,
 288     AEV_SetMasterVolumeLevel,
 289     AEV_SetMasterVolumeLevelScalar,
 290     AEV_GetMasterVolumeLevel,
 291     AEV_GetMasterVolumeLevelScalar,
 292     AEV_SetChannelVolumeLevel,
 293     AEV_SetChannelVolumeLevelScalar,
 294     AEV_GetChannelVolumeLevel,
 295     AEV_GetChannelVolumeLevelScalar,
 296     AEV_SetMute,
 297     AEV_GetMute,
 298     AEV_GetVolumeStepInfo,
 299     AEV_VolumeStepUp,
 300     AEV_VolumeStepDown,
 301     AEV_QueryHardwareSupport,
 302     AEV_GetVolumeRange,
 303     AEV_GetVolumeRangeChannel
 304 };
 305
 306 HRESULT AudioEndpointVolume_Create(MMDevice *parent, IAudioEndpointVolumeEx **ppv)
 307 {
 308     AEVImpl *This;
 309
 310     *ppv = NULL;
 311     This = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*This));
 312     if (!This)
 313         return E_OUTOFMEMORY;
 314     This->IAudioEndpointVolumeEx_iface.lpVtbl = &AEVImpl_Vtbl;
 315     This->ref = 1;
 316
 317     *ppv = &This->IAudioEndpointVolumeEx_iface;
 318     return S_OK;
 319 }