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65 lines
1.4 KiB
C++
65 lines
1.4 KiB
C++
//
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// VolumeControl.h
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//
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// Controls system audio volume.
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//
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#pragma once
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#ifndef ES_APP_VOLUME_CONTROL_H
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#define ES_APP_VOLUME_CONTROL_H
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#include <memory>
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#if defined (__APPLE__)
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#error TODO: Not implemented for MacOS yet!!!
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#elif defined(__linux__)
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#include <unistd.h>
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#include <fcntl.h>
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#include <alsa/asoundlib.h>
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#elif defined(_WIN64)
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#include <Windows.h>
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#include <endpointvolume.h>
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//#include <mmeapi.h>
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#endif
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// Singleton pattern. Call getInstance() to get an object.
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class VolumeControl
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{
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#if defined (__APPLE__)
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#error TODO: Not implemented for MacOS yet!!!
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#elif defined(__linux__)
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static const char * mixerName;
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static const char * mixerCard;
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int mixerIndex;
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snd_mixer_t* mixerHandle;
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snd_mixer_elem_t* mixerElem;
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snd_mixer_selem_id_t* mixerSelemId;
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#elif defined(_WIN64)
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HMIXER mixerHandle;
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MIXERCONTROL mixerControl;
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IAudioEndpointVolume * endpointVolume;
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#endif
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int originalVolume;
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int internalVolume;
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static std::weak_ptr<VolumeControl> sInstance;
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VolumeControl();
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VolumeControl(const VolumeControl & right);
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VolumeControl & operator=(const VolumeControl & right);
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public:
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static std::shared_ptr<VolumeControl> & getInstance();
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void init();
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void deinit();
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int getVolume() const;
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void setVolume(int volume);
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~VolumeControl();
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};
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#endif // ES_APP_VOLUME_CONTROL_H
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