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62 lines
2.2 KiB
62 lines
2.2 KiB
11 years ago
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/*
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==============================================================================
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This file is part of the JUCE library.
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Copyright (c) 2013 - Raw Material Software Ltd.
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Permission is granted to use this software under the terms of either:
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a) the GPL v2 (or any later version)
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b) the Affero GPL v3
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Details of these licenses can be found at: www.gnu.org/licenses
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JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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------------------------------------------------------------------------------
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To release a closed-source product which uses JUCE, commercial licenses are
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available: visit www.juce.com for more information.
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==============================================================================
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*/
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#ifndef JUCE_SYSTEMAUDIOVOLUME_H_INCLUDED
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#define JUCE_SYSTEMAUDIOVOLUME_H_INCLUDED
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//==============================================================================
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/**
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Contains functions to control the system's master volume.
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*/
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class JUCE_API SystemAudioVolume
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{
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public:
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//==============================================================================
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/** Returns the operating system's current volume level in the range 0 to 1.0 */
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static float JUCE_CALLTYPE getGain();
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/** Attempts to set the operating system's current volume level.
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@param newGain the level, between 0 and 1.0
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@returns true if the operation succeeds
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*/
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static bool JUCE_CALLTYPE setGain (float newGain);
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/** Returns true if the system's audio output is currently muted. */
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static bool JUCE_CALLTYPE isMuted();
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/** Attempts to mute the operating system's audio output.
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@param shouldBeMuted true if you want it to be muted
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@returns true if the operation succeeds
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*/
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static bool JUCE_CALLTYPE setMuted (bool shouldBeMuted);
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private:
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SystemAudioVolume(); // Don't instantiate this class, just call its static fns.
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JUCE_DECLARE_NON_COPYABLE (SystemAudioVolume)
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};
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#endif // JUCE_SYSTEMAUDIOVOLUME_H_INCLUDED
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