Add a simple recorder app for capturing audio or audio/video streams

Change-Id: Iad6e33f6ec77aa28121b8b0d1b9c0ae32616c30e
Reviewed-by: Lars Knoll <lars.knoll@qt.io>

1 files changed, 123 insertions, 0 deletions

diff --git a/examples/multimedia/video/recorder/Controls.qml b/examples/multimedia/video/recorder/Controls.qml
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index 000000000..ff810181f
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+++ b/examples/multimedia/video/recorder/Controls.qml
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+/****************************************************************************
+**
+** Copyright (C) 2021 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
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+** Alternatively, you may use this file under the terms of the BSD license
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+****************************************************************************/
+
+import QtQuick
+import QtQuick.Controls
+import QtQuick.Layouts
+import QtMultimedia
+
+RowLayout {
+    id: root
+
+    required property MediaRecorder recorder
+
+    property bool settingsVisible: false
+    property bool capturesVisible: false
+
+    property alias audioInput: audioInputSelect.selected
+    property alias camera: cameraSelect.selected
+
+    Column {
+        id: inputControls
+        spacing: Style.intraSpacing
+
+        CameraSelect { id: cameraSelect }
+        AudioInputSelect { id: audioInputSelect }
+    }
+
+    Item {
+        // Position RecordButton in the center
+        Layout.minimumWidth: root.width / 2 - inputControls.width - recordButton.width / 2
+    }
+
+    Column {
+        width: recordButton.width
+        RecordButton {
+            id: recordButton
+            recording: recorder.recorderState === MediaRecorder.RecordingState
+            onClicked: recording ? recorder.stop() : recorder.record()
+        }
+        Text {
+            id: recordingTime
+            anchors.horizontalCenter: parent.horizontalCenter
+        }
+    }
+
+    Item {
+        Layout.fillWidth: true
+    }
+
+    Column {
+        spacing: Style.intraSpacing
+        Button {
+            height: Style.height
+            width: Style.widthShort
+            background: StyleRectangle { anchors.fill: parent }
+            onClicked: root.capturesVisible = !root.capturesVisible
+            text: "Captures"
+        }
+        Button {
+            height: Style.height
+            width: Style.widthShort
+            background: StyleRectangle { anchors.fill: parent }
+            onClicked: root.settingsVisible = !root.settingsVisible
+            text: "Settings"
+        }
+    }
+
+    Timer {
+        running: true; interval: 100; repeat: true
+        onTriggered: {
+            var m = Math.floor(recorder.duration / 60000)
+            var ms = (recorder.duration / 1000 - m * 60).toFixed(1)
+            recordingTime.text = `${m}:${ms.padStart(4, 0)}`
+        }
+    }
+}