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Fix audio-visualizer example 

Pick-to: 6.2 6.4
Fixes: QTCREATORBUG-27852
Change-Id: Icc10aa51f54a7ff19dcff2349048b436f273d6bf
Reviewed-by: Janne Koskinen <janne.p.koskinen@qt.io>
Reviewed-by: Antti Määttä <antti.maatta@qt.io>
This commit is contained in:
Tomi Korpipaa 2022-10-19 13:10:27 +03:00
parent e06bccdc93
commit be9ccff07d
3 changed files with 23 additions and 22 deletions
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4
examples/qt3d/audio-visualizer-qml/Visualizer.qml
View File

@ -10,9 +10,10 @@ Entity {
id: sceneRoot
property int barRotationTimeMs: 1
property int numberOfBars: 1
property string animationState: "stopped"
property string animationState
property real titleStartAngle: 95
property real titleStopAngle: 5
property bool started: false
onAnimationStateChanged: {
if (animationState == "playing") {
@ -73,6 +74,7 @@ Entity {
progressTransformAnimation.duration = mediaPlayer.duration
mainview.state = "playing"
progressTransformAnimation.start()
started = true
}
//![0]

1
examples/qt3d/audio-visualizer-qml/main.cpp
View File

@ -10,6 +10,7 @@
int main(int argc, char* argv[])
{
qputenv("QML_XHR_ALLOW_FILE_READ", "1");
#ifdef Q_OS_ANDROID
QGuiApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
#endif

40
examples/qt3d/audio-visualizer-qml/main.qml
View File

@ -1,10 +1,10 @@
// Copyright (C) 2017 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
import QtQuick 2.0
import QtQuick.Scene3D 2.0
import QtQuick.Layouts 1.2
import QtMultimedia 5.0
import QtQuick
import QtQuick.Scene3D
import QtQuick.Layouts
import QtMultimedia
Item {
id: mainview
@ -70,30 +70,25 @@ Item {
//![0]
MediaPlayer {
id: mediaPlayer
autoPlay: true
volume: 0.5
source: "qrc:/music/tiltshifted_lost_neon_sun.mp3"
audioOutput: AudioOutput {}
//![0]
onStatusChanged: {
if (status == MediaPlayer.EndOfMedia) //{
state = "stopped"
}
onError: console.error("error with audio " + mediaPlayer.error)
onDurationChanged: {
// Load the pre-calculated magnitude data for the visualizer
var request = new XMLHttpRequest()
request.responseType = 'arraybuffer'
request.onreadystatechange = function() {
onMediaStatusChanged: {
if (mediaStatus == MediaPlayer.EndOfMedia) {
mainview.state = "stopped"
} else if (mediaStatus == MediaPlayer.LoadedMedia && !visualizer.started) {
// Load the pre-calculated magnitude data for the visualizer
var request = new XMLHttpRequest()
request.responseType = 'arraybuffer'
request.onreadystatechange = function() {
if (request.readyState === XMLHttpRequest.DONE) {
if (request.status == 200 || request.status == 0) {
var arrayBuffer = request.response
if (arrayBuffer) {
magnitudeArray = new Uint16Array(arrayBuffer)
visualizer.startVisualization()
}
}
} else {
console.warn("Couldn't load magnitude data for bars.")
}
@ -101,10 +96,13 @@ Item {
}
};
request.open('GET', magnitudeDataSourceFile, true)
request.send(null)
request.open('GET', magnitudeDataSourceFile, true)
request.send(null)
}
}
onErrorStringChanged: console.error("error with audio " + errorString)
function getNextAudioLevel(offsetMs) {
if (magnitudeArray === null)
return 0.0;