qandroidaudioutil.cpp

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++ // Copyright (C) 2025 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

++

++ #include "qandroidaudioutil_p.h"

++

++ #include "qandroidaudiodevice_p.h"

++

++ QT_BEGIN_NAMESPACE

++

++ namespace QAndroidAudioUtil {

++

++ bool supportsLowLatency()

++ {

++     static const bool lowLatencyIsSupported = []() {

++         // clang-format off

++         QJniObject ctx(QNativeInterface::QAndroidApplication::context());

++         if (!ctx.isValid())

++             return false;

++

++         QJniObject pm = ctx.callObjectMethod("getPackageManager",

++                                              "()Landroid/content/pm/PackageManager;");

++         if (!pm.isValid())

++             return false;

++

++         QJniObject audioFeatureField =

++                 QJniObject::getStaticObjectField("android/content/pm/PackageManager",

++                                                  "FEATURE_AUDIO_LOW_LATENCY",

++                                                  "Ljava/lang/String;");

++         if (!audioFeatureField.isValid())

++             return false;

++

++         bool hasFeature = pm.callMethod<jboolean>("hasSystemFeature",

++                                                   "(Ljava/lang/String;)Z",

++                                                   audioFeatureField.object());

++         return hasFeature;

++         // clang-format on

++     }();

++

++     return lowLatencyIsSupported;

++ }

++

++ bool isBluetoothDevice(const QAudioDevice &device)

++ {

++     return QAudioDevicePrivate::handle<QAndroidAudioDevice>(device)->isBluetoothDevice();

++ }

++

++ } // namespace QAndroidAudioUtil

++

++ QT_END_NAMESPACE