1 files changed, 65 insertions, 0 deletions
diff --git a/src/multimedia/android/qopenslesengine_p.h b/src/multimedia/android/qopenslesengine_p.h
new file mode 100644
index 000000000..9918ac888
--- /dev/null
+++ b/src/multimedia/android/qopenslesengine_p.h
@@ -0,0 +1,65 @@
+// 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
+
+#ifndef QOPENSLESENGINE_H
+#define QOPENSLESENGINE_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 <qglobal.h>
+#include <qaudio.h>
+#include <qlist.h>
+#include <qaudioformat.h>
+#include <qaudiodevice.h>
+#include <SLES/OpenSLES_Android.h>
+
+QT_BEGIN_NAMESPACE
+
+class QOpenSLESEngine
+{
+public:
+    enum OutputValue { FramesPerBuffer, SampleRate };
+
+    QOpenSLESEngine();
+    ~QOpenSLESEngine();
+
+    static QOpenSLESEngine *instance();
+
+    SLEngineItf slEngine() const { return m_engine; }
+
+    static SLAndroidDataFormat_PCM_EX audioFormatToSLFormatPCM(const QAudioFormat &format);
+
+    static QList<QAudioDevice> availableDevices(QAudioDevice::Mode mode);
+    static bool setAudioOutput(const QByteArray &deviceId);
+    QList<int> supportedChannelCounts(QAudioDevice::Mode mode) const;
+    QList<int> supportedSampleRates(QAudioDevice::Mode mode) const;
+
+    static int getOutputValue(OutputValue type, int defaultValue = 0);
+    static int getDefaultBufferSize(const QAudioFormat &format);
+    static int getLowLatencyBufferSize(const QAudioFormat &format);
+    static bool supportsLowLatency();
+    static bool printDebugInfo();
+
+private:
+    void checkSupportedInputFormats();
+    bool inputFormatIsSupported(SLAndroidDataFormat_PCM_EX format);
+    SLObjectItf m_engineObject;
+    SLEngineItf m_engine;
+
+    QList<int> m_supportedInputChannelCounts;
+    QList<int> m_supportedInputSampleRates;
+    bool m_checkedInputFormats;
+};
+
+QT_END_NAMESPACE
+
+#endif // QOPENSLESENGINE_H