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/* |
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* Copyright (C) 2009 Maarten Lankhorst |
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* |
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* This library is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* This library is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with this library; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA |
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*/ |
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|
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import "unknwn.idl"; |
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import "devicetopology.idl"; |
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|
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typedef struct AUDIO_VOLUME_NOTIFICATION_DATA |
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{ |
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GUID guidEventContext; |
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BOOL bMuted; |
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FLOAT fMasterVolume; |
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UINT nChannels; |
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FLOAT afChannelVolumes[1]; |
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} AUDIO_VOLUME_NOTIFICATION_DATA; |
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|
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cpp_quote("typedef struct AUDIO_VOLUME_NOTIFICATION_DATA *PAUDIO_VOLUME_NOTIFICATION_DATA;") |
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|
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cpp_quote("#define ENDPOINT_HARDWARE_SUPPORT_VOLUME 0x1") |
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cpp_quote("#define ENDPOINT_HARDWARE_SUPPORT_MUTE 0x2") |
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cpp_quote("#define ENDPOINT_HARDWARE_SUPPORT_METER 0x4") |
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|
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interface IAudioEndpointVolumeCallback; |
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interface IAudioEndpointVolume; |
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interface IAudioEndpointVolumeEx; |
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interface IAudioMeterInformation; |
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|
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[ |
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pointer_default(unique), |
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nonextensible, |
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uuid(657804fa-d6ad-4496-8a60-352752af4f89), |
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local, |
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object |
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] |
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interface IAudioEndpointVolumeCallback : IUnknown |
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{ |
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HRESULT OnNotify( |
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AUDIO_VOLUME_NOTIFICATION_DATA *pNotify |
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); |
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} |
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|
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[ |
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pointer_default(unique), |
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nonextensible, |
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uuid(5cdf2c82-841e-4546-9722-0cf74078229a), |
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local, |
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object |
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] |
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interface IAudioEndpointVolume : IUnknown |
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{ |
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HRESULT RegisterControlChangeNotify( |
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[in] IAudioEndpointVolumeCallback *pNotify |
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); |
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HRESULT UnregisterControlChangeNotify( |
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[in] IAudioEndpointVolumeCallback *pNotify |
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); |
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HRESULT GetChannelCount( |
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[out] UINT *pnChannelCount |
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); |
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HRESULT SetMasterVolumeLevel( |
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[in] FLOAT fLevelDB, |
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[unique,in] LPCGUID pguidEventContext |
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); |
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HRESULT SetMasterVolumeLevelScalar( |
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[in] FLOAT fLevel, |
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[unique,in] LPCGUID pguidEventContext |
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); |
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HRESULT GetMasterVolumeLevel( |
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[out] FLOAT *fLevelDB |
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); |
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HRESULT GetMasterVolumeLevelScalar( |
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[out] FLOAT *fLevel |
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); |
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HRESULT SetChannelVolumeLevel( |
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[in] UINT nChannel, |
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[in] FLOAT fLevelDB, |
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[unique,in] LPCGUID pguidEventContext |
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); |
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HRESULT SetChannelVolumeLevelScalar( |
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[in] UINT nChannel, |
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[in] FLOAT fLevel, |
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[unique,in] LPCGUID pguidEventContext |
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); |
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HRESULT GetChannelVolumeLevel( |
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[in] UINT nChannel, |
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[out] FLOAT *fLevelDB |
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); |
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HRESULT GetChannelVolumeLevelScalar( |
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[in] UINT nChannel, |
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[out] FLOAT *fLevel |
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); |
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HRESULT SetMute( |
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[in] BOOL bMute, |
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[unique,in] LPCGUID pguidEventContext |
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); |
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HRESULT GetMute( |
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[out] BOOL *bMute |
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); |
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HRESULT GetVolumeStepInfo( |
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[out] UINT *pnStep, |
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[out] UINT *pnStepCount |
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); |
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HRESULT VolumeStepUp( |
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[unique,in] LPCGUID pguidEventContext |
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); |
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HRESULT VolumeStepDown( |
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[unique,in] LPCGUID pguidEventContext |
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); |
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HRESULT QueryHardwareSupport( |
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[out] DWORD *pdwHardwareSupportMask |
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); |
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HRESULT GetVolumeRange( |
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[out] FLOAT *pflVolumeMindB, |
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[out] FLOAT *pflVolumeMaxdB, |
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[out] FLOAT *pflVolumeIncrementdB |
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); |
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} |
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|
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[ |
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pointer_default(unique), |
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nonextensible, |
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uuid(66e11784-f695-4f28-a505-a7080081a78f), |
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local, |
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object |
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] |
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interface IAudioEndpointVolumeEx : IAudioEndpointVolume |
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{ |
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HRESULT GetVolumeRangeChannel( |
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[in] UINT iChannel, |
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[out] FLOAT *pflVolumeMindB, |
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[out] FLOAT *pflVolumeMaxdB, |
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[out] FLOAT *pflVolumeIncrementdB |
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); |
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} |
