148 lines
3.9 KiB
Text
148 lines
3.9 KiB
Text
/*
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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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import "unknwn.idl";
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import "devicetopology.idl";
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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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cpp_quote("typedef struct AUDIO_VOLUME_NOTIFICATION_DATA *PAUDIO_VOLUME_NOTIFICATION_DATA;")
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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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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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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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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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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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}
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