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48 lines
1.2 KiB
48 lines
1.2 KiB
5 years ago
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//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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// $NoKeywords: $
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//=============================================================================//
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#ifndef MIXER_CONTROLS_H
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#define MIXER_CONTROLS_H
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#pragma once
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abstract_class IMixerControls
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{
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public:
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virtual ~IMixerControls() {}
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enum Control
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{
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// Microphone boost is a boolean switch that sound cards support which boosts the input signal by about +20dB.
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// If this isn't on, the mic is usually way too quiet.
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MicBoost=0,
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// Volume values are 0-1.
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MicVolume,
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// Mic playback muting. You usually want this set to false, otherwise the sound card echoes whatever you say into the mic.
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MicMute,
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NumControls
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};
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virtual bool GetValue_Float(Control iControl, float &value) = 0;
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virtual bool SetValue_Float(Control iControl, float value) = 0;
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// Apps like RealJukebox will switch the waveIn input to use CD audio
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// rather than the microphone. This should be called at startup to set it back.
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virtual bool SelectMicrophoneForWaveInput() = 0;
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};
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extern IMixerControls *g_pMixerControls;
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// Allocates a set of mixer controls.
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void InitMixerControls();
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void ShutdownMixerControls();
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#endif // MIXER_CONTROLS_H
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