mixer.cpp

来自「爱可视605看PDF程式源代码, 基于APDF」· C++ 代码 · 共 36 行

#include "mixer.h"


Mixer *Mixer::get() {
	return &s_instance;
}

Mixer::Mixer()
	: m_volume(80)
	, m_speaker_on(false) {
}

void Mixer::setVolume(int volume) {
	m_volume= volume;
	emit volumeChanged(m_volume);
}

void Mixer::enableSpeaker(bool enable) {
	m_speaker_on= enable;
	if(m_speaker_on) {
		emit speakerEnabled();
	} else {
		emit speakerDisabled();
	}
}

int Mixer::volume() const {
	return m_volume;
}

bool Mixer::isSpeakerenabled() const {
	return m_speaker_on;
}

Mixer Mixer::s_instance;