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https://github.com/saitohirga/WSJT-X.git
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02e19b687f
This is a first cut at this to evaluate buffer size adjustments on supported platforms. A final version might limit status bar reports to >1000 dropped frames or similar.
57 lines
1.3 KiB
C++
57 lines
1.3 KiB
C++
// -*- Mode: C++ -*-
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#ifndef SOUNDIN_H__
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#define SOUNDIN_H__
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#include <QObject>
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#include <QString>
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#include <QDateTime>
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#include <QScopedPointer>
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#include <QPointer>
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#include <QAudioInput>
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#include "Audio/AudioDevice.hpp"
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class QAudioDeviceInfo;
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class QAudioInput;
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// Gets audio data from sound sample source and passes it to a sink device
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class SoundInput
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: public QObject
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{
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Q_OBJECT;
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public:
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SoundInput (QObject * parent = nullptr)
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: QObject {parent}
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, m_sink {nullptr}
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, cummulative_lost_usec_ {0}
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{
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}
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~SoundInput ();
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// sink must exist from the start call until the next start call or
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// stop call
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Q_SLOT void start(QAudioDeviceInfo const&, int framesPerBuffer, AudioDevice * sink, unsigned downSampleFactor, AudioDevice::Channel = AudioDevice::Mono);
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Q_SLOT void suspend ();
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Q_SLOT void resume ();
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Q_SLOT void stop ();
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Q_SLOT void reset (bool report_dropped_frames);
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Q_SIGNAL void error (QString message) const;
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Q_SIGNAL void status (QString message) const;
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Q_SIGNAL void dropped_frames (qint32 dropped, qint64 usec);
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private:
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// used internally
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Q_SLOT void handleStateChanged (QAudio::State);
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bool audioError () const;
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QScopedPointer<QAudioInput> m_stream;
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QPointer<AudioDevice> m_sink;
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qint64 cummulative_lost_usec_;
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};
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#endif
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