SAO Utils 2的音频可视化插件
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import QtQuick 2.12
import QtGraphicalEffects 1.12
import NERvGear.Preferences 1.0 as P
import "../../qml/api"
AdvpStyleTemplate {
style: Rectangle {
width: widget.width;
height: widget.height;
LinearGradient {
id: gradient_mask
anchors.fill: parent
gradient: Gradient {
GradientStop { id: p_start; position: 0.0 }
GradientStop { id: p_middle; position: 0.5 }
GradientStop { id: p_end; position: 1.0 }
}
}
layer.enabled: true
layer.effect: OpacityMask{
maskSource: AdvpCanvasTemplate {
readonly property var audioData: new Array(128)
readonly property bool centerLineFlag: configs["Center Line"]
readonly property int linePosition: configs["Line Position"]
readonly property int uDataLen: Math.pow(2, configs["Data Length"]);
readonly property int dataLength: 64/uDataLen
readonly property int channel: configs["Channel"]
readonly property bool centerRotateFlag: configs["Rotate Settings"]["Center Enable"]
readonly property real centerRotateAngle: configs["Rotate Settings"]["Center Angle"]*Math.PI/180
readonly property bool lineRotateFlag: configs["Rotate Settings"]["Line Enable"]
readonly property real lineRotateAngle: configs["Rotate Settings"]["Line Angle"]*Math.PI/180
readonly property bool autoNormalizing: configs["Data Settings"]["Auto Normalizing"]
readonly property real amplitude: 400.0/configs["Data Settings"]["Amplitude"]
readonly property int unitStyle: configs["Data Settings"]["Unit Style"]
property real halfWidth: width/2
property real halfHeight: height/2
readonly property int l_start: (channel===1)*dataLength
readonly property int r_stop: dataLength+dataLength*(channel!==0)
readonly property int total: r_stop-l_start
readonly property real _y_dy: centerRotateFlag*Math.tan(centerRotateAngle)*halfWidth
readonly property real _ux: width/(r_stop-l_start)
readonly property real _dx: Math.round(_ux/2)
onConfigsUpdated: {
context.fillStyle = "black";
gradient_mask.start = Qt.point(0, height*(configs["Gradient Direction"]===2))
gradient_mask.end = Qt.point(width*(configs["Gradient Direction"]!==1), height*(configs["Gradient Direction"]%2))
p_start.color = configs["Start Position Color"];
p_middle.color = configs["Middle Position Color"];
p_end.color = configs["End Position Color"];
}
onAudioDataUpdeted: {
let normalizing_ratio = autoNormalizing ? data[128] : amplitude;
if (unitStyle) {
//对数化显示
for(let i=l_start; i<dataLength; i++) {
audioData[i] = 0;
for(let j=0; j<uDataLen; j++) {
audioData[i] += Math.max(0, 0.4 * (Math.log10(data[63-i*uDataLen-j]/normalizing_ratio)) + 1.0);
}
audioData[i] /= uDataLen;
}
for(let i=dataLength; i<r_stop; i++) {
audioData[i] = 0;
for(let j=0; j<uDataLen; j++) {
audioData[i] += Math.max(0, 0.4 * (Math.log10(data[i*uDataLen+j]/normalizing_ratio)) + 1.0);
}
audioData[i] /= uDataLen;
}
} else {
//线性化显示
for(let i=l_start; i<dataLength; i++) {
audioData[i] = 0;
for(let j=0; j<uDataLen; j++) {
audioData[i] += data[63-i*uDataLen-j];
}
audioData[i] /= (uDataLen * normalizing_ratio);
}
for(let i=dataLength; i<r_stop; i++) {
audioData[i] = 0;
for(let j=0; j<uDataLen; j++) {
audioData[i] += data[i*uDataLen+j];
}
audioData[i] /= (uDataLen * normalizing_ratio);
}
}
context.clearRect(0, 0, width+32, height+32);
let _y;
let _dy;
//绘制频谱
if(lineRotateFlag || centerRotateFlag) {
context.transform(1, Math.sin(centerRotateFlag*centerRotateAngle), -Math.sin(lineRotateFlag*lineRotateAngle), 1, Math.sin(lineRotateFlag*lineRotateAngle)*(halfHeight-_y_dy), 0);
for (let i=l_start; i<r_stop; i++) {
_y = halfHeight*(1-(linePosition!==2)*audioData[i])-_y_dy;
_dy = (halfHeight + (!linePosition)*halfHeight)*audioData[i];
context.fillRect(_ux * (i-l_start), _y, _dx, _dy);
}
if (centerLineFlag) {
context.fillRect(0, halfHeight-_y_dy, width, 2);
}
context.resetTransform();
} else if (linePosition) {
let _flag = 1-2*(linePosition===1);
_y = halfHeight + halfHeight*(3-2*linePosition)*Boolean(linePosition);
for (let i=l_start; i<r_stop; i++) {
_dy = height*audioData[i]*_flag;
context.fillRect(_ux * (i-l_start), _y, _dx, _dy);
}
if (centerLineFlag) {
context.fillRect(0, _y-(2-linePosition)*2, width, 2);
}
} else {
for (let i=l_start; i<r_stop; i++) {
_y = halfHeight*(1-(linePosition!==2)*audioData[i])-_y_dy;
_dy = (halfHeight + (!linePosition)*halfHeight)*audioData[i];
context.fillRect(_ux * (i-l_start), _y, _dx, _dy);
}
if (centerLineFlag) {
context.fillRect(0, halfHeight-_y_dy, width, 2);
}
}
context.fill();
requestPaint();
}
Component.onCompleted: {
for (let i = 0; i < 128; i++) {
audioData[i] = 0;
}
}
}
}
}
defaultValues: {
"Version": "1.2.0",
"Gradient Direction": 0,
"Start Position Color": "#f44336",
"Middle Position Color": "#4caf50",
"End Position Color": "#03a9f4",
"Center Line": true,
"Line Position": 0,
"Data Length": 0,
"Channel": 2,
"Rotate Settings": {
"Center Enable": false,
"Center Angle": 10,
"Line Enable": false,
"Line Angle": 10
},
"Data Settings": {
"Auto Normalizing": true,
"Amplitude": 10,
"Unit Style": 0
}
}
preference: AdvpPreference {
version: defaultValues["Version"]
P.SelectPreference {
name: "Gradient Direction"
label: qsTr("Gradient Direction")
defaultValue: defaultValues["Gradient Direction"]
model: [qsTr("Horizontal"), qsTr("Vertical"), qsTr("Oblique Upward"), qsTr("Oblique downward")]
}
P.ColorPreference {
name: "Start Position Color"
label: qsTr("Start Position Color")
defaultValue: defaultValues["Start Position Color"]
}
P.ColorPreference {
name: "Middle Position Color"
label: qsTr("Middle Position Color")
defaultValue: defaultValues["Middle Position Color"]
}
P.ColorPreference {
name: "End Position Color"
label: qsTr("End Position Color")
defaultValue: defaultValues["End Position Color"]
}
P.Separator {}
P.SwitchPreference {
name: "Center Line"
label: qsTr("Show Center Line")
defaultValue: defaultValues["Center Line"]
}
P.SelectPreference {
name: "Line Position"
label: qsTr("Spectrum Line Position")
defaultValue: defaultValues["Line Position"]
model: [qsTr("Both"), qsTr("Up"), qsTr("Down")]
}
P.SelectPreference {
name: "Data Length"
label: qsTr("Spectrum Length")
defaultValue: defaultValues["Data Length"]
model: [64, 32, 16, 8]
}
P.SelectPreference {
name: "Channel"
label: qsTr("Channel")
defaultValue: defaultValues["Channel"]
model: [qsTr("Left Channel"), qsTr("Right Channel"), qsTr("Stereo")]
}
P.Separator {}
P.DialogPreference {
name: "Rotate Settings"
label: qsTr("Rotate Settings")
live: true
icon.name: "regular:\uf1de"
P.SwitchPreference {
id: _cfg_preset_line_Rotate_Center_Enable
name: "Center Enable"
label: qsTr("Rotate Center Line")
defaultValue: defaultValues["Rotate Settings"]["Center Enable"]
}
P.SliderPreference {
name: "Center Angle"
label: qsTr("Angle of Center Line")
enabled: _cfg_preset_line_Rotate_Center_Enable.value
from: -45
to: 45
stepSize: 1
defaultValue: defaultValues["Rotate Settings"]["Center Angle"]
displayValue: value + "°"
}
P.Separator {}
P.SwitchPreference {
id: _cfg_preset_line_Rotate_Line_Enable
name: "Line Enable"
label: qsTr("Rotate Spectrum Line")
defaultValue: defaultValues["Rotate Settings"]["Line Enable"]
}
P.SliderPreference {
name: "Line Angle"
label: qsTr("Angle of Spectrum Line")
enabled: _cfg_preset_line_Rotate_Line_Enable.value
from: -75
to: 75
stepSize: 1
defaultValue: defaultValues["Rotate Settings"]["Line Angle"]
displayValue: value + "°"
}
}
P.Separator {}
P.DialogPreference {
name: "Data Settings"
label: qsTr("Data Settings")
live: true
icon.name: "regular:\uf1de"
P.SwitchPreference {
id: _cfg_preset_line_dataSettings_autoNormalizing
name: "Auto Normalizing"
label: qsTr("Auto Normalizing")
defaultValue: defaultValues["Data Settings"]["Auto Normalizing"]
}
P.SpinPreference {
name: "Amplitude"
label: qsTr("Amplitude Ratio")
enabled: !_cfg_preset_line_dataSettings_autoNormalizing.value
message: "1 to 100"
display: P.TextFieldPreference.ExpandLabel
editable: true
from: 1
to: 100
defaultValue: defaultValues["Data Settings"]["Amplitude"]
}
P.Separator {}
P.SelectPreference {
name: "Unit Style"
label: qsTr("Display Style")
defaultValue: defaultValues["Data Settings"]["Unit Style"]
model: [qsTr("Linear"), qsTr("Decibel")]
}
}
}
}