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 #include "config.h"
  21
  22 #include <stdarg.h>
  23
  24 #include "windef.h"
  25 #include "winbase.h"
  26 #include "winnls.h"
  27 #include "winreg.h"
  28 #include "wine/debug.h"
  29 #include "wine/unicode.h"
  30
  31 #include "ole2.h"
  32 #include "mmdeviceapi.h"
  33 #include "mmsystem.h"
  34 #include "dsound.h"
  35 #include "audioclient.h"
  36 #include "endpointvolume.h"
  37 #include "audiopolicy.h"
  38
  39 #include "mmdevapi.h"
  40
  41 WINE_DEFAULT_DEBUG_CHANNEL(mmdevapi);
  42
  43 typedef struct AEVImpl {
  44     IAudioEndpointVolumeEx IAudioEndpointVolumeEx_iface;
  45     LONG ref;
  46     float master_vol;
  47     BOOL mute;
  48 } AEVImpl;
  49
  50 static inline AEVImpl *impl_from_IAudioEndpointVolumeEx(IAudioEndpointVolumeEx *iface)
  51 {
  52     return CONTAINING_RECORD(iface, AEVImpl, IAudioEndpointVolumeEx_iface);
  53 }
  54
  55 static void AudioEndpointVolume_Destroy(AEVImpl *This)
  56 {
  57     HeapFree(GetProcessHeap(), 0, This);
  58 }
  59
  60 static HRESULT WINAPI AEV_QueryInterface(IAudioEndpointVolumeEx *iface, REFIID riid, void **ppv)
  61 {
  62     AEVImpl *This = impl_from_IAudioEndpointVolumeEx(iface);
  63     TRACE("(%p)->(%s,%p)\n", This, debugstr_guid(riid), ppv);
  64     if (!ppv)
  65         return E_POINTER;
  66     *ppv = NULL;
  67     if (IsEqualIID(riid, &IID_IUnknown) ||
  68         IsEqualIID(riid, &IID_IAudioEndpointVolume) ||
  69         IsEqualIID(riid, &IID_IAudioEndpointVolumeEx)) {
  70         *ppv = &This->IAudioEndpointVolumeEx_iface;
  71     }
  72     else
  73         return E_NOINTERFACE;
  74     IUnknown_AddRef((IUnknown *)*ppv);
  75     return S_OK;
  76 }
  77
  78 static ULONG WINAPI AEV_AddRef(IAudioEndpointVolumeEx *iface)
  79 {
  80     AEVImpl *This = impl_from_IAudioEndpointVolumeEx(iface);
  81     ULONG ref = InterlockedIncrement(&This->ref);
  82     TRACE("(%p) new ref %u\n", This, ref);
  83     return ref;
  84 }
  85
  86 static ULONG WINAPI AEV_Release(IAudioEndpointVolumeEx *iface)
  87 {
  88     AEVImpl *This = impl_from_IAudioEndpointVolumeEx(iface);
  89     ULONG ref = InterlockedDecrement(&This->ref);
  90     TRACE("(%p) new ref %u\n", This, ref);
  91     if (!ref)
  92         AudioEndpointVolume_Destroy(This);
  93     return ref;
  94 }
  95
  96 static HRESULT WINAPI AEV_RegisterControlChangeNotify(IAudioEndpointVolumeEx *iface, IAudioEndpointVolumeCallback *notify)
  97 {
  98     TRACE("(%p)->(%p)\n", iface, notify);
  99     if (!notify)
 100         return E_POINTER;
 101     FIXME("stub\n");
 102     return S_OK;
 103 }
 104
 105 static HRESULT WINAPI AEV_UnregisterControlChangeNotify(IAudioEndpointVolumeEx *iface, IAudioEndpointVolumeCallback *notify)
 106 {
 107     TRACE("(%p)->(%p)\n", iface, notify);
 108     if (!notify)
 109         return E_POINTER;
 110     FIXME("stub\n");
 111     return S_OK;
 112 }
 113
 114 static HRESULT WINAPI AEV_GetChannelCount(IAudioEndpointVolumeEx *iface, UINT *count)
 115 {
 116     TRACE("(%p)->(%p)\n", iface, count);
 117     if (!count)
 118         return E_POINTER;
 119     FIXME("stub\n");
 120     return E_NOTIMPL;
 121 }
 122
 123 static HRESULT WINAPI AEV_SetMasterVolumeLevel(IAudioEndpointVolumeEx *iface, float leveldb, const GUID *ctx)
 124 {
 125     AEVImpl *This = impl_from_IAudioEndpointVolumeEx(iface);
 126
 127     TRACE("(%p)->(%f,%s)\n", iface, leveldb, debugstr_guid(ctx));
 128
 129     if(leveldb < -100.f || leveldb > 0.f)
 130         return E_INVALIDARG;
 131
 132     This->master_vol = leveldb;
 133
 134     return S_OK;
 135 }
 136
 137 static HRESULT WINAPI AEV_SetMasterVolumeLevelScalar(IAudioEndpointVolumeEx *iface, float level, const GUID *ctx)
 138 {
 139     TRACE("(%p)->(%f,%s)\n", iface, level, debugstr_guid(ctx));
 140     FIXME("stub\n");
 141     return E_NOTIMPL;
 142 }
 143
 144 static HRESULT WINAPI AEV_GetMasterVolumeLevel(IAudioEndpointVolumeEx *iface, float *leveldb)
 145 {
 146     AEVImpl *This = impl_from_IAudioEndpointVolumeEx(iface);
 147
 148     TRACE("(%p)->(%p)\n", iface, leveldb);
 149
 150     if (!leveldb)
 151         return E_POINTER;
 152
 153     *leveldb = This->master_vol;
 154
 155     return S_OK;
 156 }
 157
 158 static HRESULT WINAPI AEV_GetMasterVolumeLevelScalar(IAudioEndpointVolumeEx *iface, float *level)
 159 {
 160     TRACE("(%p)->(%p)\n", iface, level);
 161     if (!level)
 162         return E_POINTER;
 163     FIXME("stub\n");
 164     return E_NOTIMPL;
 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 }