qml: limit Player image source size

modules/gui/qt/player/qml/Player.qml

@@ -423,27 +423,37 @@ FocusScope {
             visible: !rootPlayer.hasEmbededVideo
 
             Item {
-                Layout.preferredHeight: rootPlayer.height / 2.7182
-                Layout.preferredWidth: height * cover.sar
+                Layout.preferredHeight: rootPlayer.height / heightConstant
+                Layout.preferredWidth: cover.paintedWidth
                 Layout.maximumHeight: centerContent.height
                 Layout.alignment: Qt.AlignHCenter
 
+                readonly property real heightConstant: 2.7182
+
                 Image {
                     id: cover
 
                     //source aspect ratio
-                    readonly property real sar: cover.sourceSize.width / cover.sourceSize.height
+                    readonly property real sar: paintedWidth / paintedHeight
 
-                    anchors.fill: parent
+                    anchors.top: parent.top
+                    anchors.bottom: parent.bottom
+                    anchors.horizontalCenter: parent.horizontalCenter
                     source: rootPlayer.coverSource
                     fillMode: Image.PreserveAspectFit
-                    mipmap: height < sourceSize.height * .3
+                    mipmap: true
                     cache: false
                     asynchronous: true
+                    sourceSize: Qt.size(maximumWidth, maximumHeight)
+
+                    readonly property real maximumWidth: MainCtx.screen ? (MainCtx.screen.availableVirtualSize.width * MainCtx.screen.devicePixelRatio)
+                                                                        : 1024
+                    readonly property real maximumHeight: MainCtx.screen ? (MainCtx.screen.availableVirtualSize.height * MainCtx.screen.devicePixelRatio / parent.heightConstant)
+                                                                         : 1024
                 }
 
                 Widgets.CoverShadow {
-                    anchors.fill: cover
+                    anchors.fill: parent
                     source: cover
                     primaryVerticalOffset: VLCStyle.dp(24)
                     primaryRadius: VLCStyle.dp(54)