31340919de
This way it is clear which variables comes from the ui component. Signed-off-by: Andrea Odetti <mariofutire@gmail.com>
60 lines
1.2 KiB
C++
60 lines
1.2 KiB
C++
#ifndef AUDIO_H
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#define AUDIO_H
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#include <QAudioFormat>
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#include <QAudio>
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#include <queue>
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#include <memory>
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#include <vector>
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class QIODevice;
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class QAudioOutput;
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class AudioGenerator {
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public:
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static AudioGenerator & instance();
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QAudioOutput * getAudioOutput();
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void toggle();
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void start();
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void stop();
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void writeAudio();
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void stateChanged(QAudio::State state);
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void setOptions(const qint32 initialSilence, const qint32 silenceDelay, const qint32 volume);
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private:
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typedef short int audio_t;
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std::queue<qint64> myTicks;
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std::shared_ptr<QAudioOutput> myAudioOutput;
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QAudioFormat myAudioFormat;
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QIODevice * myDevice;
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std::vector<audio_t> myBuffer;
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// options
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qint32 myInitialSilence;
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qint32 mySilenceDelay;
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qint16 myVolume;
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qint64 myStartCPUCycles;
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qint64 myPreviousFrameTime;
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qint32 myMaximum;
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qint32 mySilence;
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audio_t myPhysical;
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audio_t myValue;
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AudioGenerator();
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qint64 toFrameTime(qint64 cpuCycples);
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void generateSamples(audio_t *data, qint64 framesToWrite);
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void writeEnoughSilence(const qint64 ms);
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void generateSilence(audio_t * begin, audio_t * end);
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bool isRunning();
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};
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#endif // AUDIO_H
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