1 files changed, 77 insertions, 0 deletions
diff --git a/src/plugins/multimedia/gstreamer/audio/qgstreameraudiodevice.cpp b/src/plugins/multimedia/gstreamer/audio/qgstreameraudiodevice.cpp
new file mode 100644
index 000000000..dc6975030
--- /dev/null
+++ b/src/plugins/multimedia/gstreamer/audio/qgstreameraudiodevice.cpp
@@ -0,0 +1,77 @@
+// 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 "qgstreameraudiodevice_p.h"
+
+#include <common/qgst_p.h>
+#include <common/qgstutils_p.h>
+#include <private/qplatformmediaintegration_p.h>
+
+QT_BEGIN_NAMESPACE
+
+QGStreamerAudioDeviceInfo::QGStreamerAudioDeviceInfo(GstDevice *d, const QByteArray &device,
+                                                     QAudioDevice::Mode mode)
+    : QAudioDevicePrivate(device, mode),
+      gstDevice{
+          d,
+          QGstDeviceHandle::NeedsRef,
+      }
+{
+    QGString name{
+        gst_device_get_display_name(gstDevice.get()),
+    };
+    description = name.toQString();
+
+    auto caps = QGstCaps(gst_device_get_caps(gstDevice.get()), QGstCaps::HasRef);
+    int size = caps.size();
+    for (int i = 0; i < size; ++i) {
+        auto c = caps.at(i);
+        if (c.name() == "audio/x-raw") {
+            auto rate = c["rate"].toIntRange();
+            if (rate) {
+                minimumSampleRate = rate->min;
+                maximumSampleRate = rate->max;
+            }
+            auto channels = c["channels"].toIntRange();
+            if (channels) {
+                minimumChannelCount = channels->min;
+                maximumChannelCount = channels->max;
+            }
+            supportedSampleFormats = c["format"].getSampleFormats();
+        }
+    }
+
+    preferredFormat.setChannelCount(qBound(minimumChannelCount, 2, maximumChannelCount));
+    preferredFormat.setSampleRate(qBound(minimumSampleRate, 48000, maximumSampleRate));
+    QAudioFormat::SampleFormat f = QAudioFormat::Int16;
+    if (!supportedSampleFormats.contains(f))
+        f = supportedSampleFormats.value(0, QAudioFormat::Unknown);
+    preferredFormat.setSampleFormat(f);
+}
+
+QGStreamerCustomAudioDeviceInfo::QGStreamerCustomAudioDeviceInfo(
+        const QByteArray &gstreamerPipeline, QAudioDevice::Mode mode)
+    : QAudioDevicePrivate{
+          gstreamerPipeline,
+          mode,
+      }
+{
+}
+
+QAudioDevice qMakeCustomGStreamerAudioInput(const QByteArray &gstreamerPipeline)
+{
+    auto deviceInfo = std::make_unique<QGStreamerCustomAudioDeviceInfo>(gstreamerPipeline,
+                                                                        QAudioDevice::Mode::Input);
+
+    return deviceInfo.release()->create();
+}
+
+QAudioDevice qMakeCustomGStreamerAudioOutput(const QByteArray &gstreamerPipeline)
+{
+    auto deviceInfo = std::make_unique<QGStreamerCustomAudioDeviceInfo>(gstreamerPipeline,
+                                                                        QAudioDevice::Mode::Output);
+
+    return deviceInfo.release()->create();
+}
+
+QT_END_NAMESPACE