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https://github.com/wf-group/wfview
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41 lines
1.3 KiB
C++
41 lines
1.3 KiB
C++
#ifndef AUDIOHANDLERPAOUTPUT_H
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#define AUDIOHANDLERPAOUTPUT_H
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#include "audiohandlerbase.h"
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#include <portaudio.h>
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#include <memory>
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#include "bytering.h"
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class audioHandlerPaOutput : public audioHandlerBase {
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Q_OBJECT
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public:
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explicit audioHandlerPaOutput(QObject* parent=nullptr);
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~audioHandlerPaOutput() 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 paCallback(const void* input, void* output, unsigned long frameCount, const PaStreamCallbackTimeInfo*, PaStreamCallbackFlags statusFlags, void* user);
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void handleCallbackOutput(void* output, unsigned long frameCount, PaStreamCallbackFlags statusFlags);
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void prefillRingBuffer();
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QElapsedTimer lastRecovery;
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PaStream* stream=nullptr;
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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 // AUDIOHANDLERPAOUTPUT_H
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