Content.qml Example File

multimedia/video/qmlvideo/qml/qmlvideo/Content.qml
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import QtQuick 2.0 Rectangle { id: root border.color: "white" border.width: showBorder ? 1 : 0 color: "transparent" property string contentType // "camera" or "video" property string source property real volume property bool dummy: false property bool autoStart: true property bool started: false property bool showFrameRate: false property bool showBorder: false signal initialized signal error signal videoFramePainted Loader { id: contentLoader } Connections { id: framePaintedConnection onFramePainted: { if (frameRateLoader.item) frameRateLoader.item.notify() root.videoFramePainted() } ignoreUnknownSignals: true } Connections { id: errorConnection onFatalError: { console.log("[qmlvideo] Content.onFatalError") stop() root.error() } ignoreUnknownSignals: true } Loader { id: frameRateLoader source: root.showFrameRate ? "../frequencymonitor/FrequencyItem.qml" : "" onLoaded: { item.parent = root item.anchors.top = root.top item.anchors.right = root.right item.anchors.margins = 10 } } onWidthChanged: { if (contentItem()) contentItem().width = width } onHeightChanged: { if (contentItem()) contentItem().height = height } function initialize() { if ("video" == contentType) { contentLoader.source = "VideoItem.qml" if (Loader.Error == contentLoader.status) { contentLoader.source = "VideoDummy.qml" dummy = true } contentLoader.item.volume = volume } else if ("camera" == contentType) { contentLoader.source = "CameraItem.qml" if (Loader.Error == contentLoader.status) { contentLoader.source = "CameraDummy.qml" dummy = true } } else { console.log("[qmlvideo] Content.initialize: error: invalid contentType") } if (contentLoader.item) { contentLoader.item.sizeChanged.connect(updateRootSize) contentLoader.item.parent = root contentLoader.item.width = root.width framePaintedConnection.target = contentLoader.item errorConnection.target = contentLoader.item if (root.autoStart) root.start() } root.initialized() } function start() { if (contentLoader.item) { if (root.contentType == "video") contentLoader.item.mediaSource = root.source contentLoader.item.start() root.started = true } } function stop() { if (contentLoader.item) { contentLoader.item.stop() if (root.contentType == "video") contentLoader.item.mediaSource = "" root.started = false } } function contentItem() { return contentLoader.item } function updateRootSize() { root.height = contentItem().height } }