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++ // Copyright (C) 2021 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
++ #ifndef QFFMPEGAUDIOINPUT_H
++ #define QFFMPEGAUDIOINPUT_H
++
++ //
++ // W A R N I N G
++ // -------------
++ //
++ // This file is not part of the Qt API. It exists purely as an
++ // implementation detail. This header file may change from version to
++ // version without notice, or even be removed.
++ //
++ // We mean it.
++ //
++
++ #include <QtMultimedia/qaudioinput.h>
++ #include <QtMultimedia/private/qplatformaudioinput_p.h>
++ #include <QtMultimedia/private/qplatformaudiobufferinput_p.h>
++ #include <QtFFmpegMediaPluginImpl/private/qffmpegthread_p.h>
++
++ QT_BEGIN_NAMESPACE
++
++ namespace QFFmpeg {
++ class AudioSourceIO;
++ } // namespace QFFmpeg
++
++ constexpr int DefaultAudioInputBufferSize = 4096;
++
++ class QFFmpegAudioInput : public QAudioBufferSource, public QPlatformAudioInput
++ {
++ // for qobject_cast
++ Q_OBJECT
++ public:
++ explicit QFFmpegAudioInput(QAudioInput *qq);
++ ~QFFmpegAudioInput() override;
++
++ void setAudioDevice(const QAudioDevice &/*device*/) override;
++ void setMuted(bool /*muted*/) override;
++ void setVolume(float /*volume*/) override;
++
++ void setBufferSize(int bufferSize);
++
++ int bufferSize() const;
++
++ protected:
++ // ensures the underlying audio source is run if
++ // the signal newAudioBuffer is connected
++ void connectNotify(const QMetaMethod &signal) override;
++
++ // postponly ensures that the underlying audio source is not run
++ // if the signal newAudioBuffer is not connacted to any slot.
++ void disconnectNotify(const QMetaMethod &signal) override;
++
++ private:
++ QFFmpeg::AudioSourceIO *m_audioIO = nullptr;
++ std::unique_ptr<QThread> m_inputThread;
++ };
++
++ QT_END_NAMESPACE
++
++
++ #endif // QPLATFORMAUDIOINPUT_H