52 lines
2.5 KiB
C#
52 lines
2.5 KiB
C#
/*
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LICENSE
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-------
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Copyright (C) 2007 Ray Molenkamp
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This source code is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this source code or the software it produces.
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Permission is granted to anyone to use this source code for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this source code must not be misrepresented; you must not
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claim that you wrote the original source code. If you use this source code
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original source code.
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3. This notice may not be removed or altered from any source distribution.
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*/
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using System;
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using System.Runtime.InteropServices;
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namespace NAudio.CoreAudioApi.Interfaces
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{
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[Guid("5CDF2C82-841E-4546-9722-0CF74078229A"),
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InterfaceType(ComInterfaceType.InterfaceIsIUnknown),
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ComImport]
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internal interface IAudioEndpointVolume
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{
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int RegisterControlChangeNotify(IAudioEndpointVolumeCallback pNotify);
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int UnregisterControlChangeNotify(IAudioEndpointVolumeCallback pNotify);
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int GetChannelCount(out int pnChannelCount);
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int SetMasterVolumeLevel(float fLevelDB, ref Guid pguidEventContext);
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int SetMasterVolumeLevelScalar(float fLevel, ref Guid pguidEventContext);
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int GetMasterVolumeLevel(out float pfLevelDB);
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int GetMasterVolumeLevelScalar(out float pfLevel);
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int SetChannelVolumeLevel(uint nChannel, float fLevelDB, ref Guid pguidEventContext);
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int SetChannelVolumeLevelScalar(uint nChannel, float fLevel, ref Guid pguidEventContext);
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int GetChannelVolumeLevel(uint nChannel, out float pfLevelDB);
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int GetChannelVolumeLevelScalar(uint nChannel, out float pfLevel);
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int SetMute([MarshalAs(UnmanagedType.Bool)] Boolean bMute, ref Guid pguidEventContext);
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int GetMute(out bool pbMute);
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int GetVolumeStepInfo(out uint pnStep, out uint pnStepCount);
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int VolumeStepUp(ref Guid pguidEventContext);
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int VolumeStepDown(ref Guid pguidEventContext);
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int QueryHardwareSupport(out uint pdwHardwareSupportMask);
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int GetVolumeRange(out float pflVolumeMindB, out float pflVolumeMaxdB, out float pflVolumeIncrementdB);
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}
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}
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