1 files changed, 89 insertions, 0 deletions
diff --git a/src/plugins/multimedia/wasm/mediacapture/qwasmmediarecorder_p.h b/src/plugins/multimedia/wasm/mediacapture/qwasmmediarecorder_p.h
new file mode 100644
index 000000000..c325e411b
--- /dev/null
+++ b/src/plugins/multimedia/wasm/mediacapture/qwasmmediarecorder_p.h
@@ -0,0 +1,89 @@
+// Copyright (C) 2022 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 QWASMMEDIARECORDER_H
+#define QWASMMEDIARECORDER_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 <private/qplatformmediarecorder_p.h>
+#include <private/qplatformmediacapture_p.h>
+#include <QtCore/qglobal.h>
+#include <QtCore/qloggingcategory.h>
+#include <QElapsedTimer>
+
+#include <emscripten.h>
+#include <emscripten/val.h>
+#include <emscripten/bind.h>
+#include <private/qstdweb_p.h>
+
+QT_BEGIN_NAMESPACE
+
+Q_DECLARE_LOGGING_CATEGORY(qWasmMediaRecorder)
+
+class QWasmMediaCaptureSession;
+class QIODevice;
+
+class QWasmMediaRecorder final : public QObject, public QPlatformMediaRecorder
+{
+    Q_OBJECT
+public:
+    explicit QWasmMediaRecorder(QMediaRecorder *parent);
+    ~QWasmMediaRecorder() final;
+
+    bool isLocationWritable(const QUrl &location) const override;
+    QMediaRecorder::RecorderState state() const override;
+    qint64 duration() const override;
+    void record(QMediaEncoderSettings &settings) override;
+    void pause() override;
+    void resume() override;
+    void stop() override;
+
+    void setCaptureSession(QPlatformMediaCaptureSession *session);
+
+private:
+
+    bool hasCamera() const;
+    void startAudioRecording();
+    void setStream(emscripten::val stream);
+    void streamCallback(emscripten::val event);
+    void exceptionCallback(emscripten::val event);
+    void dataAvailableCallback(emscripten::val dataEvent);
+    void startStream();
+    void setTrackContraints(QMediaEncoderSettings &settings, emscripten::val stream);
+    void initUserMedia();
+    void audioDataAvailable(emscripten::val Blob, double timeCodeDifference);
+    void setUpFileSink();
+
+    emscripten::val m_mediaRecorder = emscripten::val::undefined();
+    emscripten::val m_mediaStream = emscripten::val::undefined();
+
+    QWasmMediaCaptureSession *m_session = nullptr;
+    QMediaEncoderSettings m_mediaSettings;
+    QIODevice *m_outputTarget;
+    QScopedPointer<qstdweb::EventCallback> m_mediaStreamDataAvailable;
+    QScopedPointer<qstdweb::EventCallback> m_mediaStreamStopped;
+    QScopedPointer<qstdweb::EventCallback> m_mediaStreamError;
+    QScopedPointer<qstdweb::EventCallback> m_mediaStreamStart;
+    QScopedPointer<qstdweb::EventCallback> m_mediaStreamPause;
+    QScopedPointer<qstdweb::EventCallback> m_mediaStreamResume;
+
+    qint64 m_durationMs = 0;
+    bool m_isRecording = false;
+    QScopedPointer <QElapsedTimer> m_durationTimer;
+
+private Q_SLOTS:
+};
+
+QT_END_NAMESPACE
+
+#endif // QWASMMEDIARECORDER_H