modules/gui/qt/Makefile.am

@@ -819,6 +819,8 @@ libqt_plugin_la_QML = \
 	gui/qt/player/qml/MiniPlayer.qml \
 	gui/qt/player/qml/PIPPlayer.qml \
 	gui/qt/player/qml/Player.qml \
+	gui/qt/player/qml/PlayerBlurredBackground.qml \
+	gui/qt/player/qml/PlayerBlurredBackground.frag \
 	gui/qt/player/qml/PlayerControlLayout.qml \
 	gui/qt/player/qml/PlayerMenu.qml \
 	gui/qt/player/qml/PlayerMenuItem.qml \

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

@@ -27,6 +27,7 @@ import org.videolan.vlc 0.1
 import "qrc:///style/"
 import "qrc:///widgets/" as Widgets
 import "qrc:///playlist/" as PL
+import "qrc:///util/Helpers.js" as Helpers
 
 FocusScope {
     id: rootPlayer
@@ -173,57 +174,20 @@ FocusScope {
         color: rootPlayer.colors.bg
         anchors.fill: parent
 
-        Item {
-            //destination aspect ration
+        PlayerBlurredBackground {
+            id: backgroundImage
+
+            //destination aspect ratio
             readonly property real dar: parent.width / parent.height
 
             anchors.centerIn: parent
             width: (cover.sar < dar) ? parent.width :  parent.height * cover.sar
             height: (cover.sar < dar) ? parent.width / cover.sar :  parent.height
 
-            GaussianBlur {
-                id: blur
-
-                anchors.fill: parent
-                source: cover
-                samples: 102
-                radius: 50
-                visible: false
-            }
-
-            Rectangle {
-                id: blurOverlay
-
-                color: rootPlayer.colors.setColorAlpha(rootPlayer.colors.playerBg, .55)
-                anchors.fill: parent
-                visible: false
-            }
-
-            Blend {
-                id:screen
-
-                anchors.fill: parent
-                foregroundSource: blurOverlay
-                source: blur
-                mode: "screen"
-                visible: false
-            }
-
-            Blend {
-                anchors.fill: parent
-                source: screen
-                foregroundSource: blurOverlay
-                mode: "multiply"
-            }
-
-            Rectangle {
-                id: colorOverlay
+            source: cover
 
-                anchors.fill: parent
-                visible: true
-                opacity: .4
-                color: rootPlayer.colors.setColorAlpha(Qt.tint(rootPlayer.colors.playerFg, rootPlayer.colors.playerBg), 1)
-            }
+            screenColor: rootPlayer.colors.setColorAlpha(rootPlayer.colors.playerBg, .55)
+            overlayColor: rootPlayer.colors.setColorAlpha(Qt.tint(rootPlayer.colors.playerFg, rootPlayer.colors.playerBg), 0.4)
         }
     }
 
@@ -326,27 +290,13 @@ FocusScope {
         Component {
             id: forMusicMedia
 
-            Item {
+            Rectangle {
                 width: controlBarView.width
                 height: controlBarView.height - (rootPlayer.positionSliderY - controlBarView.y)
-
-                Rectangle {
-                    id: controlBarBackground
-
-                    anchors.fill: parent
-                    visible: false
-                    color: rootPlayer.colors.isThemeDark
-                           ? Qt.darker(rootPlayer.colors.playerBg, 1.2)
-                           : Qt.lighter(rootPlayer.colors.playerBg, 1.2)
-                }
-
-                GaussianBlur {
-                    anchors.fill: parent
-                    source: controlBarBackground
-                    radius: 22
-                    samples: 46
-                    opacity: .7
-                }
+                color: rootPlayer.colors.isThemeDark
+                       ? Qt.darker(rootPlayer.colors.playerBg, 1.2)
+                       : Qt.lighter(rootPlayer.colors.playerBg, 1.2)
+                opacity: 0.7
             }
         }
     }
@@ -449,18 +399,27 @@ FocusScope {
             visible: !rootPlayer.hasEmbededVideo
 
             Item {
-                Layout.preferredHeight: rootPlayer.height / heightConstant
+                id: coverItem
+                Layout.preferredHeight: rootPlayer.height / sizeConstant
                 Layout.preferredWidth: cover.paintedWidth
                 Layout.maximumHeight: centerContent.height
                 Layout.alignment: Qt.AlignHCenter
 
-                readonly property real heightConstant: 2.7182
+                readonly property real sizeConstant: 2.7182
 
                 Image {
                     id: cover
 
                     //source aspect ratio
                     readonly property real sar: paintedWidth / paintedHeight
+                    readonly property int maximumWidth: MainCtx.screen
+                                                          ? Helpers.alignUp((MainCtx.screen.availableGeometry.width / coverItem.sizeConstant), 32)
+                                                          : 1024
+                    readonly property int maximumHeight: MainCtx.screen
+                                                          ? Helpers.alignUp((MainCtx.screen.availableGeometry.height / coverItem.sizeConstant), 32)
+                                                          : 1024
+
+                    readonly property int maximumSize: Math.min(maximumWidth, maximumHeight)
 
                     anchors.top: parent.top
                     anchors.bottom: parent.bottom
@@ -470,12 +429,13 @@ FocusScope {
                     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
+                    sourceSize: Qt.size(maximumSize, maximumSize)
+
+                    onStatusChanged: {
+                        if (status === Image.Ready)
+                            backgroundImage.scheduleUpdate()
+                    }
                 }
 
                 Widgets.CoverShadow {

modules/gui/qt/player/qml/PlayerBlurredBackground.frag

+/*****************************************************************************
+ * Copyright (C) 2022 VLC authors and VideoLAN
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * ( at your option ) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ *****************************************************************************/
+
+/****************************************************************************
+**
+** Copyright (C) 2015 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the Qt Graphical Effects module.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of The Qt Company Ltd nor the names of its
+**     contributors may be used to endorse or promote products derived
+**     from this software without specific prior written permission.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+//blending formulas are taken from Qt's Blend.qml implementation
+
+varying mediump vec2 qt_TexCoord0;
+uniform highp float qt_Opacity;
+uniform lowp sampler2D backgroundSource;
+uniform lowp vec4 screenColor;
+uniform lowp vec4 overlayColor;
+
+lowp vec4 toPremult(lowp vec4 color) {
+    lowp vec4 result = vec4(0.0);
+    result.rgb = color.rgb / max(1.0/256.0, color.a);
+    result.a = color.a;
+    return result;
+}
+
+lowp vec4 fromPremult(lowp vec4 color) {
+    lowp vec4 result = vec4(0.0);
+    result.rbg = color.rbg * color.a;
+    result.a = color.a;
+    return result;
+}
+
+lowp vec4 screen(lowp vec4 color1, lowp vec4 color2) {
+    lowp vec4 result = vec4(0.0);
+    highp float a = max(color1.a, color1.a * color2.a);
+
+    result.rgb = 1.0 - (vec3(1.0) - color1.rgb) * (vec3(1.0) - color2.rgb);
+
+    result.rgb = mix(color1.rgb, result.rgb, color2.a);
+    result.a = max(color1.a, color1.a * color2.a);
+    return result;
+}
+
+lowp vec4 multiply(lowp vec4 color1, lowp vec4 color2) {
+    lowp vec4 result = vec4(0.0);
+
+    result.rgb = color1.rgb * color2.rgb;
+
+    result.rgb = mix(color1.rgb, result.rgb, color2.a);
+    result.a = max(color1.a, color1.a * color2.a);
+    return result;
+}
+
+lowp vec4 normal(lowp vec4 color1, lowp vec4 color2) {
+    lowp vec4 result = vec4(0.0);
+    result.rgb = mix(color1.rgb, color2.rgb, color2.a);
+    result.a = max(color1.a, color2.a);
+    return result;
+}
+
+void main() {
+    lowp vec4 result = vec4(0.0);
+    lowp vec4 colorP = toPremult(texture2D(backgroundSource, qt_TexCoord0));
+    lowp vec4 screenColorP = toPremult(screenColor);
+    lowp vec4 overlayColorP = toPremult(overlayColor);
+
+    result = screen(colorP, screenColorP);
+    result = multiply(result, screenColorP);
+    result = normal(result, overlayColorP);
+
+    gl_FragColor = fromPremult(result) * qt_Opacity;
+}

modules/gui/qt/player/qml/PlayerBlurredBackground.qml

+/*****************************************************************************
+ * Copyright (C) 2022 VLC authors and VideoLAN
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * ( at your option ) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ *****************************************************************************/
+
+import QtQuick 2.11
+
+import QtGraphicalEffects 1.0
+
+Item {
+    id: rootItem
+
+    property alias source: blurSource.sourceItem
+    property alias screenColor: shaderItem.screenColor
+    property alias overlayColor: shaderItem.overlayColor
+
+    function scheduleUpdate() {
+        blurSource.scheduleUpdate()
+    }
+
+    onSourceChanged: blurSource.scheduleUpdate()
+
+    ShaderEffectSource {
+        id: blurSource
+
+        width: 512
+        height: 512
+        textureSize: Qt.size(512,512)
+
+        visible: false
+
+        live: false
+        hideSource: false
+        smooth: false
+        mipmap: false
+    }
+
+    FastBlur {
+        id: blur
+
+        source: blurSource
+
+        width: 512
+        height: 512
+
+        radius: 50
+        visible: false
+    }
+
+    ShaderEffectSource {
+        id: proxySource
+        live: true
+        hideSource: false
+        sourceItem: blur
+        smooth: false
+        visible: false
+        mipmap: false
+    }
+
+    ShaderEffect {
+        id: shaderItem
+
+        property var backgroundSource: proxySource
+        property color screenColor
+        property color overlayColor
+
+        anchors.fill: parent
+        visible: true
+        blending: false
+
+        fragmentShader: "qrc:///player/PlayerBlurredBackground.frag"
+    }
+}

modules/gui/qt/util/qml/Helpers.js

@@ -80,3 +80,11 @@ function isInteger(data) {
 function compareFloat(a, b) {
     return (Math.abs(a - b) < Number.EPSILON)
 }
+
+function alignUp(a, b) {
+    return Math.ceil(a / b) * b
+}
+
+function alignDown(a, b) {
+    return Math.floor(a / b) * b
+}

modules/gui/qt/vlc.qrc

@@ -366,6 +366,8 @@
         <file alias="ControlLayout.qml">player/qml/ControlLayout.qml</file>
         <file alias="PlaybackSpeed.qml">player/qml/PlaybackSpeed.qml</file>
         <file alias="PlayerPlaylistVisibilityFSM.qml">player/qml/PlayerPlaylistVisibilityFSM.qml</file>
+        <file alias="PlayerBlurredBackground.qml">player/qml/PlayerBlurredBackground.qml</file>
+        <file alias="PlayerBlurredBackground.frag">player/qml/PlayerBlurredBackground.frag</file>
     </qresource>
     <qresource prefix="/player/controlbarcontrols">
         <file alias="HighResolutionTimeWidget.qml">player/qml/controlbarcontrols/HighResolutionTimeWidget.qml</file>