1 files changed, 46 insertions, 0 deletions
diff --git a/src/multimedia/pulseaudio/qpulseaudiodevice.cpp b/src/multimedia/pulseaudio/qpulseaudiodevice.cpp
new file mode 100644
index 000000000..487b88f6d
--- /dev/null
+++ b/src/multimedia/pulseaudio/qpulseaudiodevice.cpp
@@ -0,0 +1,46 @@
+// 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
+
+#include "qpulseaudiodevice_p.h"
+#include "qaudioengine_pulse_p.h"
+#include "qpulsehelpers_p.h"
+
+QT_BEGIN_NAMESPACE
+
+QPulseAudioDeviceInfo::QPulseAudioDeviceInfo(const char *device, const char *desc, bool isDef, QAudioDevice::Mode mode)
+    : QAudioDevicePrivate(device, mode)
+{
+    description = QString::fromUtf8(desc);
+    isDefault = isDef;
+
+    minimumChannelCount = 1;
+    maximumChannelCount = PA_CHANNELS_MAX;
+    minimumSampleRate = 1;
+    maximumSampleRate = PA_RATE_MAX;
+
+    constexpr bool isBigEndian = QSysInfo::ByteOrder == QSysInfo::BigEndian;
+
+    const struct {
+        pa_sample_format pa_fmt;
+        QAudioFormat::SampleFormat qt_fmt;
+    } formatMap[] = {
+        { PA_SAMPLE_U8, QAudioFormat::UInt8 },
+        { isBigEndian ? PA_SAMPLE_S16BE : PA_SAMPLE_S16LE, QAudioFormat::Int16 },
+        { isBigEndian ? PA_SAMPLE_S32BE : PA_SAMPLE_S32LE, QAudioFormat::Int32 },
+        { isBigEndian ? PA_SAMPLE_FLOAT32BE : PA_SAMPLE_FLOAT32LE, QAudioFormat::Float },
+    };
+
+    for (const auto &f : formatMap) {
+        if (pa_sample_format_valid(f.pa_fmt) != 0)
+            supportedSampleFormats.append(f.qt_fmt);
+    }
+
+    preferredFormat.setChannelCount(2);
+    preferredFormat.setSampleRate(48000);
+    QAudioFormat::SampleFormat f = QAudioFormat::Int16;
+    if (!supportedSampleFormats.contains(f))
+        f = supportedSampleFormats.value(0, QAudioFormat::Unknown);
+    preferredFormat.setSampleFormat(f);
+}
+
+QT_END_NAMESPACE