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https://github.com/wf-group/wfview
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58 lines
1.5 KiB
C++
58 lines
1.5 KiB
C++
#ifndef AUDIOHANDLERRTOUTPUT_H
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#define AUDIOHANDLERRTOUTPUT_H
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#include "audiohandlerbase.h"
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#ifndef Q_OS_LINUX
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#include "RtAudio.h"
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#else
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#include "rtaudio/RtAudio.h"
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#endif
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#include <memory>
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#include "bytering.h"
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class audioHandlerRtOutput : public audioHandlerBase {
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Q_OBJECT
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public:
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explicit audioHandlerRtOutput(QObject* parent=nullptr);
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~audioHandlerRtOutput() override { dispose(); } // ensure close on destruction
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QString role() const override { return QStringLiteral("Output"); }
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public slots:
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void incomingAudio(audioPacket packet);
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protected:
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bool openDevice() noexcept override;
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void closeDevice() noexcept override;
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virtual QAudioFormat getNativeFormat() override;
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virtual bool isFormatSupported(QAudioFormat f) override;
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private slots:
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void onConverted(audioPacket pkt);
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private:
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static int rtCallback(void* out, void* in, unsigned nFrames, double, RtAudioStreamStatus st, void* u);
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void handleCallbackOutput(void* out, unsigned nFrames, RtAudioStreamStatus st);
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void prefillRingBuffer();
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private:
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QElapsedTimer lastRecovery;
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std::atomic<int> underrunCount{0};
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#if defined(Q_OS_LINUX)
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RtAudio rtaudio{RtAudio::Api::LINUX_ALSA};
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#elif defined(Q_OS_WIN)
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RtAudio rtaudio{RtAudio::Api::WINDOWS_WASAPI};
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#elif defined(Q_OS_MACOS)
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RtAudio rtaudio{RtAudio::Api::MACOSX_CORE};
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#else
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RtAudio rtaudio;
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#endif
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RtAudioFormat fmt{RTAUDIO_SINT16};
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unsigned bytesPerSample{2};
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unsigned bytesPerFrame{2};
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std::unique_ptr<ByteRing> outRB;
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};
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#endif // AUDIOHANDLERRTOUTPUT_H
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