include/audioclient.idl

   1 /*
   2  * Core Audio audioclient definitions
   3  *
   4  * Copyright 2009 Maarten Lankhorst
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  *
  20  */
  21
  22 import "wtypes.idl";
  23 import "unknwn.idl";
  24 import "audiosessiontypes.h";
  25
  26 /* Forward declarations */
  27 interface IAudioClient;
  28 interface IAudioRenderClient;
  29 interface IAudioCaptureClient;
  30 interface IAudioClock;
  31 interface IAudioClock2;
  32 interface IAudioClockAdjustment;
  33 interface ISimpleAudioVolume;
  34 interface IAudioStreamVolume;
  35 interface IChannelAudioVolume;
  36
  37 cpp_quote("#if 0")
  38 typedef struct WAVEFORMATEX /*[hidden,restricted]*/
  39 {
  40     WORD wFormatTag;
  41     WORD nChannels;
  42     DWORD nSamplesPerSec;
  43     DWORD nAvgBytesPerSec;
  44     WORD nBlockAlign;
  45     WORD wBitsPerSample;
  46     WORD cbSize;
  47 } WAVEFORMATEX;
  48 cpp_quote("#else")
  49 cpp_quote("#include <mmreg.h>")
  50 cpp_quote("#endif")
  51
  52 cpp_quote("#if 0")
  53 typedef LONGLONG /*[hidden,restricted]*/ REFERENCE_TIME;
  54 cpp_quote("#else")
  55 cpp_quote("#define _IKsControl_")
  56 cpp_quote("#include <ks.h>")
  57 cpp_quote("#include <ksmedia.h>")
  58 cpp_quote("#endif")
  59
  60 enum _AUDCLNT_BUFFERFLAGS
  61 {
  62     AUDCLNT_BUFFERFLAGS_DATA_DISCONTINUITY = 0x1,
  63     AUDCLNT_BUFFERFLAGS_SILENT = 0x2,
  64     AUDCLNT_BUFFERFLAGS_TIMESTAMP_ERROR = 0x4
  65 };
  66
  67 [
  68     local,
  69     pointer_default(unique),
  70     uuid(1cb9ad4c-dbfa-4c32-b178-c2f568a703b2),
  71     object,
  72 ]
  73 interface IAudioClient : IUnknown
  74 {
  75     HRESULT Initialize(
  76         [in] AUDCLNT_SHAREMODE ShareMode,
  77         [in] DWORD StreamFlags,
  78         [in] REFERENCE_TIME hnsBufferDuration,
  79         [in] REFERENCE_TIME hnsPeriodicity,
  80         [in] const WAVEFORMATEX *pFormat,
  81         [in] LPCGUID AudioSessionGuid
  82     );
  83     HRESULT GetBufferSize(
  84         [out] UINT32 *pNumBufferFrames
  85     );
  86     HRESULT GetStreamLatency(
  87         [out] REFERENCE_TIME *phnsLatency
  88     );
  89     HRESULT GetCurrentPadding(
  90         [out] UINT32 *pNumPaddingFrames
  91     );
  92     HRESULT IsFormatSupported(
  93         [in] AUDCLNT_SHAREMODE ShareMode,
  94         [in] const WAVEFORMATEX *pFormat,
  95         [out,unique] WAVEFORMATEX **ppClosestMatch
  96     );
  97     HRESULT GetMixFormat(
  98         [out] WAVEFORMATEX **ppDeviceFormat
  99     );
 100     HRESULT GetDevicePeriod(
 101         [out] REFERENCE_TIME *phnsDefaultDevicePeriod,
 102         [out] REFERENCE_TIME *phnsMinimumDevicePeriod
 103     );
 104     HRESULT Start(void);
 105     HRESULT Stop(void);
 106     HRESULT Reset(void);
 107     HRESULT SetEventHandle([in] HANDLE eventHandle);
 108     HRESULT GetService(
 109         [in] REFIID riid,
 110         [iid_is(riid),out] void **ppv
 111     );
 112 }
 113
 114 [
 115     local,
 116     pointer_default(unique),
 117     uuid(f294acfc-3146-4483-a7bf-addca7c260e2),
 118     object,
 119 ]
 120 interface IAudioRenderClient : IUnknown
 121 {
 122     HRESULT GetBuffer(
 123         [in] UINT32 NumFramesRequested,
 124         [out] BYTE **ppData
 125     );
 126     HRESULT ReleaseBuffer(
 127         [in] UINT32 NumFramesWritten,
 128         [in] DWORD dwFlags
 129     );
 130 }
 131
 132 [
 133     local,
 134     pointer_default(unique),
 135     uuid(c8adbd64-e71e-48a0-a4de-185c395cd317),
 136     object,
 137 ]
 138 interface IAudioCaptureClient : IUnknown
 139 {
 140     HRESULT GetBuffer(
 141         [out] BYTE **ppData,
 142         [out] UINT32 *pNumFramesToRead,
 143         [out] DWORD *pdwFlags,
 144         [unique,out] UINT64 *pu64DevicePosition,
 145         [unique,out] UINT64 *pu64QPCPosition
 146     );
 147     HRESULT ReleaseBuffer(
 148         [in] UINT32 NumFramesRead
 149     );
 150     HRESULT GetNextPacketSize(
 151         [out] UINT32 *pNumFramesInNextPacket
 152     );
 153 }
 154
 155 cpp_quote("#define AUDIOCLOCK_CHARACTERISTIC_FIXED_FREQ 0x00000001")
 156
 157 [
 158     local,
 159     pointer_default(unique),
 160     uuid("cd63314f-3fba-4a1b-812c-ef96358728e7"),
 161     object,
 162 ]
 163 interface IAudioClock : IUnknown
 164 {
 165     HRESULT GetFrequency(
 166         [out] UINT64 *pu64Frequency
 167     );
 168     HRESULT GetPosition(
 169         [out] UINT64 *pu64Position,
 170         [out,unique] UINT64 *pu64QPCPosition
 171     );
 172     HRESULT GetCharacteristics(
 173         [out] DWORD *pdwCharacteristics
 174     );
 175 }
 176
 177 [
 178     local,
 179     pointer_default(unique),
 180     uuid("6f49ff73-6727-49ac-a008-d98cf5e70048"),
 181     object,
 182 ]
 183 interface IAudioClock2 : IUnknown
 184 {
 185     HRESULT GetPosition(
 186         [out] UINT64 *DevicePosition,
 187         [out,unique] UINT64 *QPCPosition
 188     );
 189 }
 190
 191 [
 192     local,
 193     pointer_default(unique),
 194     uuid("f6e4c0a0-46d9-4fb8-be21-57a3ef2b626c"),
 195     object,
 196 ]
 197 interface IAudioClockAdjustment : IUnknown
 198 {
 199     HRESULT SetSampleRate(
 200         [in] float flSampleRate
 201     );
 202 }
 203
 204 [
 205     local,
 206     pointer_default(unique),
 207     uuid("87ce5498-68d6-44e5-9215-6da47ef883d8"),
 208     object,
 209 ]
 210 interface ISimpleAudioVolume : IUnknown
 211 {
 212     HRESULT SetMasterVolume(
 213         [in] float fLevel,
 214         [unique,in] LPCGUID EventContext
 215     );
 216     HRESULT GetMasterVolume(
 217         [out] float *pfLevel
 218     );
 219     HRESULT SetMute(
 220         [in] const BOOL bMute,
 221         [unique,in] LPCGUID EventContext
 222     );
 223     HRESULT GetMute(
 224         [out] BOOL *pbMute
 225     );
 226 }
 227
 228 [
 229     local,
 230     pointer_default(unique),
 231     uuid("93014887-242d-4068-8a15-cf5e93b90fe3"),
 232     object,
 233 ]
 234 interface IAudioStreamVolume : IUnknown
 235 {
 236     HRESULT GetChannelCount(
 237         [out] UINT32 *pdwCount
 238     );
 239     HRESULT SetChannelVolume(
 240         [in] UINT32 dwIndex,
 241         [in] const float fLevel
 242     );
 243     HRESULT GetChannelVolume(
 244         [in] UINT32 dwIndex,
 245         [out] float *pfLevel
 246     );
 247     HRESULT SetAllVolumes(
 248         [in] UINT32 dwCount,
 249         [size_is(dwCount),in] const float *pfVolumes
 250     );
 251     HRESULT GetAllVolumes(
 252         [in] UINT32 dwCount,
 253         [size_is(dwCount),out] float *pfVolumes
 254     );
 255 }
 256
 257 [
 258     local,
 259     pointer_default(unique),
 260     uuid("1c158861-b533-4b30-b1cf-e853e51c59b8"),
 261     object,
 262 ]
 263 interface IChannelAudioVolume : IUnknown
 264 {
 265     HRESULT GetChannelCount(
 266         [out] UINT32 *pdwCount
 267     );
 268     HRESULT SetChannelVolume(
 269         [in] UINT32 dwIndex,
 270         [in] const float fLevel,
 271         [unique,in] LPCGUID EventContext
 272     );
 273     HRESULT GetChannelVolume(
 274         [in] UINT32 dwIndex,
 275         [out] float *pfLevel
 276     );
 277     HRESULT SetAllVolumes(
 278         [in] UINT32 dwCount,
 279         [size_is(dwCount),in] const float *pfVolumes,
 280         [unique,in] LPCGUID EventContext
 281     );
 282     HRESULT GetAllVolumes(
 283         [in] UINT32 dwCount,
 284         [size_is(dwCount),out] float *pfVolumes
 285     );
 286 }
 287
 288 cpp_quote("#define AUDCLNT_ERR(n) MAKE_HRESULT(SEVERITY_ERROR, FACILITY_AUDCLNT, n)")
 289 cpp_quote("#define AUDCLNT_SUCCESS(n) MAKE_SCODE(SEVERITY_SUCCESS, FACILITY_AUDCLNT, n)")
 290 cpp_quote("#define AUDCLNT_E_NOT_INITIALIZED AUDCLNT_ERR(1)")
 291 cpp_quote("#define AUDCLNT_E_ALREADY_INITIALIZED AUDCLNT_ERR(2)")
 292 cpp_quote("#define AUDCLNT_E_WRONG_ENDPOINT_TYPE AUDCLNT_ERR(3)")
 293 cpp_quote("#define AUDCLNT_E_DEVICE_INVALIDATED AUDCLNT_ERR(4)")
 294 cpp_quote("#define AUDCLNT_E_NOT_STOPPED AUDCLNT_ERR(5)")
 295 cpp_quote("#define AUDCLNT_E_BUFFER_TOO_LARGE AUDCLNT_ERR(6)")
 296 cpp_quote("#define AUDCLNT_E_OUT_OF_ORDER AUDCLNT_ERR(7)")
 297 cpp_quote("#define AUDCLNT_E_UNSUPPORTED_FORMAT AUDCLNT_ERR(8)")
 298 cpp_quote("#define AUDCLNT_E_INVALID_SIZE AUDCLNT_ERR(9)")
 299 cpp_quote("#define AUDCLNT_E_DEVICE_IN_USE AUDCLNT_ERR(0x0a)")
 300 cpp_quote("#define AUDCLNT_E_BUFFER_OPERATION_PENDING AUDCLNT_ERR(0x0b)")
 301 cpp_quote("#define AUDCLNT_E_THREAD_NOT_REGISTERED AUDCLNT_ERR(0x0c)")
 302 /* Not defined? cpp_quote("#define AUDCLNT_E_UNKNOWN_XXX1 AUDCLNT_ERR(0x0d)") */
 303 cpp_quote("#define AUDCLNT_E_EXCLUSIVE_MODE_NOT_ALLOWED AUDCLNT_ERR(0x0e)")
 304 cpp_quote("#define AUDCLNT_E_ENDPOINT_CREATE_FAILED AUDCLNT_ERR(0x0f)")
 305 cpp_quote("#define AUDCLNT_E_SERVICE_NOT_RUNNING AUDCLNT_ERR(0x10)")
 306 cpp_quote("#define AUDCLNT_E_EVENTHANDLE_NOT_EXPECTED AUDCLNT_ERR(0x11)")
 307 cpp_quote("#define AUDCLNT_E_EXCLUSIVE_MODE_ONLY AUDCLNT_ERR(0x12)")
 308 cpp_quote("#define AUDCLNT_E_BUFDURATION_PERIOD_NOT_EQUAL AUDCLNT_ERR(0x13)")
 309 cpp_quote("#define AUDCLNT_E_EVENTHANDLE_NOT_SET AUDCLNT_ERR(0x14)")
 310 cpp_quote("#define AUDCLNT_E_INCORRECT_BUFFER_SIZE AUDCLNT_ERR(0x15)")
 311 cpp_quote("#define AUDCLNT_E_BUFFER_SIZE_ERROR AUDCLNT_ERR(0x16)")
 312 cpp_quote("#define AUDCLNT_E_CPUUSAGE_EXCEEDED AUDCLNT_ERR(0x17)")
 313 cpp_quote("#define AUDCLNT_E_BUFFER_ERROR AUDCLNT_ERR(0x18)")
 314 cpp_quote("#define AUDCLNT_E_BUFFER_SIZE_NOT_ALIGNED AUDCLNT_ERR(0x19)")
 315 /* Hex fail */
 316 cpp_quote("#define AUDCLNT_E_INVALID_DEVICE_PERIOD AUDCLNT_ERR(0x20)")
 317 cpp_quote("#define AUDCLNT_E_INVALID_STREAM_FLAG AUDCLNT_ERR(0x021)")
 318 cpp_quote("#define AUDCLNT_E_ENDPOINT_OFFLOAD_NOT_CAPABLE AUDCLNT_ERR(0x022)")
 319 cpp_quote("#define AUDCLNT_E_OUT_OF_OFFLOAD_RESOURCES AUDCLNT_ERR(0x023)")
 320 cpp_quote("#define AUDCLNT_E_OFFLOAD_MODE_ONLY AUDCLNT_ERR(0x024)")
 321 cpp_quote("#define AUDCLNT_E_NONOFFLOAD_MODE_ONLY AUDCLNT_ERR(0x025)")
 322 cpp_quote("#define AUDCLNT_E_RESOURCES_INVALIDATED AUDCLNT_ERR(0x026)")
 323
 324 cpp_quote("#define AUDCLNT_S_BUFFER_EMPTY AUDCLNT_SUCCESS(0x1)")
 325 cpp_quote("#define AUDCLNT_S_THREAD_ALREADY_REGISTERED AUDCLNT_SUCCESS(0x2)")
 326 cpp_quote("#define AUDCLNT_S_POSITION_STALLED AUDCLNT_SUCCESS(0x3)")