1 files changed, 96 insertions, 0 deletions
diff --git a/src/multimedia/windows/qwindowsaudiosource_p.h b/src/multimedia/windows/qwindowsaudiosource_p.h
new file mode 100644
index 000000000..68d57bbe1
--- /dev/null
+++ b/src/multimedia/windows/qwindowsaudiosource_p.h
@@ -0,0 +1,96 @@
+// Copyright (C) 2016 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
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists for the convenience
+// of other Qt classes.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#ifndef QWINDOWSAUDIOINPUT_H
+#define QWINDOWSAUDIOINPUT_H
+
+#include "qwindowsaudioutils_p.h"
+
+#include <QtCore/qfile.h>
+#include <QtCore/qdebug.h>
+#include <QtCore/qelapsedtimer.h>
+#include <QtCore/qstring.h>
+#include <QtCore/qstringlist.h>
+#include <QtCore/qdatetime.h>
+#include <QtCore/qmutex.h>
+#include <QtCore/qbytearray.h>
+
+#include <QtMultimedia/qaudio.h>
+#include <QtMultimedia/qaudiodevice.h>
+#include <private/qaudiosystem_p.h>
+
+#include <qwindowsresampler_p.h>
+
+struct IMMDevice;
+struct IAudioClient;
+struct IAudioCaptureClient;
+
+QT_BEGIN_NAMESPACE
+class QTimer;
+
+class QWindowsAudioSource : public QPlatformAudioSource
+{
+    Q_OBJECT
+public:
+    QWindowsAudioSource(ComPtr<IMMDevice> device, QObject *parent);
+    ~QWindowsAudioSource();
+
+    qint64 read(char* data, qint64 len);
+
+    void setFormat(const QAudioFormat& fmt) override;
+    QAudioFormat format() const override;
+    QIODevice* start() override;
+    void start(QIODevice* device) override;
+    void stop() override;
+    void reset() override;
+    void suspend() override;
+    void resume() override;
+    qsizetype bytesReady() const override;
+    void setBufferSize(qsizetype value) override;
+    qsizetype bufferSize() const override;
+    qint64 processedUSecs() const override;
+    QAudio::Error error() const override;
+    QAudio::State state() const override;
+    void setVolume(qreal volume) override;
+    qreal volume() const override;
+
+private:
+    void deviceStateChange(QAudio::State state, QAudio::Error error);
+    void pullCaptureClient();
+    void schedulePull();
+    QByteArray readCaptureClientBuffer();
+
+    QTimer *m_timer = nullptr;
+    ComPtr<IMMDevice> m_device;
+    ComPtr<IAudioClient> m_audioClient;
+    ComPtr<IAudioCaptureClient> m_captureClient;
+    QWindowsResampler m_resampler;
+    int m_bufferSize = 0;
+    qreal m_volume = 1.0;
+
+    QIODevice* m_ourSink = nullptr;
+    QIODevice* m_clientSink = nullptr;
+    QAudioFormat m_format;
+    QAudio::Error m_errorState = QAudio::NoError;
+    QAudio::State m_deviceState = QAudio::StoppedState;
+
+    QByteArray m_clientBufferResidue;
+
+    bool open();
+    void close();
+};
+
+QT_END_NAMESPACE
+
+#endif