From 0d8366273dcb9af5dae641c7efbc6db878942422 Mon Sep 17 00:00:00 2001
From: Maurice Kalinowski <maurice.kalinowski@theqtcompany.com>
Date: Wed, 17 Feb 2016 11:19:47 +0100
Subject: Add Wasapi audio backend

WASAPI is a Windows audio backend for low latency audio.
This backend works for WinRT as well as classic desktop apps.

Task-number: QTBUG-42287
Change-Id: I7a1b7b103b64fadc50a9955a9d59443791f6d026
Reviewed-by: Yoann Lopes <yoann.lopes@theqtcompany.com>
---
 src/plugins/wasapi/qwasapiaudiodeviceinfo.h | 82 +++++++++++++++++++++++++++++
 1 file changed, 82 insertions(+)
 create mode 100644 src/plugins/wasapi/qwasapiaudiodeviceinfo.h

(limited to 'src/plugins/wasapi/qwasapiaudiodeviceinfo.h')

diff --git a/src/plugins/wasapi/qwasapiaudiodeviceinfo.h b/src/plugins/wasapi/qwasapiaudiodeviceinfo.h
new file mode 100644
index 000000000..1bf4d846d
--- /dev/null
+++ b/src/plugins/wasapi/qwasapiaudiodeviceinfo.h
@@ -0,0 +1,82 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd and/or its subsidiary(-ies).
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL3$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see http://www.qt.io/terms-conditions. For further
+** information use the contact form at http://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPLv3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or later as published by the Free
+** Software Foundation and appearing in the file LICENSE.GPL included in
+** the packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 2.0 requirements will be
+** met: http://www.gnu.org/licenses/gpl-2.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QWASAPIAUDIODEVICEINFO_H
+#define QWASAPIAUDIODEVICEINFO_H
+
+#include <QtCore/QList>
+#include <QtCore/QLoggingCategory>
+#include <QtCore/QStringList>
+#include <QtMultimedia/QAbstractAudioDeviceInfo>
+#include <QtMultimedia/QAudio>
+#include <QtMultimedia/QAudioFormat>
+
+#include <wrl.h>
+
+QT_BEGIN_NAMESPACE
+
+Q_DECLARE_LOGGING_CATEGORY(lcMmDeviceInfo)
+
+class AudioInterface;
+class QWasapiAudioDeviceInfo : public QAbstractAudioDeviceInfo
+{
+    Q_OBJECT
+public:
+    explicit QWasapiAudioDeviceInfo(QByteArray dev,QAudio::Mode mode);
+    ~QWasapiAudioDeviceInfo();
+
+    QAudioFormat preferredFormat() const Q_DECL_OVERRIDE;
+    bool isFormatSupported(const QAudioFormat& format) const Q_DECL_OVERRIDE;
+    QString deviceName() const Q_DECL_OVERRIDE;
+    QStringList supportedCodecs() Q_DECL_OVERRIDE;
+    QList<int> supportedSampleRates() Q_DECL_OVERRIDE;
+    QList<int> supportedChannelCounts() Q_DECL_OVERRIDE;
+    QList<int> supportedSampleSizes() Q_DECL_OVERRIDE;
+    QList<QAudioFormat::Endian> supportedByteOrders() Q_DECL_OVERRIDE;
+    QList<QAudioFormat::SampleType> supportedSampleTypes() Q_DECL_OVERRIDE;
+
+private:
+    Microsoft::WRL::ComPtr<AudioInterface> m_interface;
+    QString m_deviceName;
+    QList<int> m_sampleRates;
+    QList<int> m_channelCounts;
+    QList<int> m_sampleSizes;
+    QList<QAudioFormat::SampleType> m_sampleTypes;
+};
+
+QT_END_NAMESPACE
+
+#endif // QWASAPIAUDIODEVICEINFO_H
-- 
cgit v1.2.1