Tenglin
Tenglin
  • 发布:2022-11-30 23:23
  • 更新:2023-04-23 11:10
  • 阅读:549

【报Bug】createInnerAudioContext 和 getBackgroundAudioManager 内存泄漏

分类:uni-app

产品分类: uniapp/App

PC开发环境操作系统: Windows

PC开发环境操作系统版本号: 10

HBuilderX类型: 正式

HBuilderX版本号: 3.6.10

手机系统: Android

手机系统版本号: Android 9.0

手机厂商: 哪吒汽车U

手机机型: 车机屏

页面类型: vue

vue版本: vue2

打包方式: 云端

项目创建方式: HBuilderX

示例代码:
template 代码
<view class="player">  
    <view class="progress">  
        <view class="current-time">{{ slider_time }}</view>  
        <view class="slider"><slider :value="slider_index" :max="song_time" activeColor="#0190ff" backgroundColor="#dddddd" block-color="#0190ff" block-size="12" /></view>  
        <view class="max-time">{{ slider_maxTime }}</view>  
    </view>  
    <view class="control">  
        <view class="col">  
            <view class="previous-btn" @click="changePrevious()"><view class="icon-previous"></view></view>  
        </view>  
        <view class="col">  
            <view class="outer" v-if="song_loading"></view>  
            <view class="inner" v-if="song_loading"></view>  
            <view class="play-btn" v-else @click="changePlayState()"><view :class="[song_playState ? 'icon-pause' : 'icon-play']"></view></view>  
        </view>  
        <view class="col">  
            <view class="next-btn" @click="changeNext()"><view class="icon-next"></view></view>  
        </view>  
    </view>  
</view>
script 代码
var innerAudioContext;  
export default {  
    data() {  
        return {  
            musicList: [  
                { song: '扬州三月', url: 'https://static.cdn.ejcms.com/1.mp3' },  
                { song: 'The Right Path', url: 'https://static.cdn.ejcms.com/2.mp3' },  
                { song: '故乡的原风景', url: 'https://static.cdn.ejcms.com/3.mp3' },  
                { song: '夏夜', url: 'https://static.cdn.ejcms.com/4.mp3' },  
                { song: 'Going Home', url: 'https://static.cdn.ejcms.com/5.mp3' }  
            ],  

            song_index: 0,  
            song_url: '',  
            song_loading: false,  
            song_playState: false,  
            song_time: 0,  

            slider_index: 0,  
            slider_time: '',  
            slider_maxTime: ''  
        };  
    },  
    onLoad() {  
        this.playAudio(this.musicList[0]);  
    },  
    methods: {  
        initPlay() {  
            let _this = this;  
            // 销毁当前实例  
            if (innerAudioContext) {  
                innerAudioContext.destroy();  
            }  

            // 创建音频  
            innerAudioContext = uni.createInnerAudioContext();  

            // 音频的数据链接,用于直接播放。  
            innerAudioContext.src = _this.song_url;  

            // 开始播放的位置(单位:s),默认 0  
            innerAudioContext.startTime = 0;  

            // 是否自动开始播放,默认 false  
            innerAudioContext.autoplay = true;  

            // 音频进入可以播放状态,但不保证后面可以流畅播放  
            innerAudioContext.onCanplay(res => {  
                _this.song_loading = false;  
            });  

            // 音频播放事件  
            innerAudioContext.onPlay(() => {  
                _this.song_playState = true;  
            });  

            // 音频暂停事件  
            innerAudioContext.onPause(() => {  
                _this.song_playState = false;  
            });  

            // 音频停止事件  
            innerAudioContext.onStop(res => {  
                innerAudioContext.destroy();  
                // console.log(res);  
            });  

            // 音频自然播放结束事件  
            innerAudioContext.onEnded(res => {  
                innerAudioContext.destroy();  
                _this.song_playState = false;  
                _this.changeNext();  
            });  

            // 音频播放进度更新事件  
            innerAudioContext.onTimeUpdate(() => {  
                let { currentTime, duration } = innerAudioContext;  

                _this.slider_index = currentTime;  
                _this.song_time = duration;  
                _this.slider_time = _this.formatTime(currentTime);  
                _this.slider_maxTime = _this.formatTime(duration);  
            });  

            // 音频播放错误事件  
            innerAudioContext.onError(res => {  
                _this.song_playState = false;  
                console.log('onError', res);  
            });  

            // 音频加载中事件,当音频因为数据不足,需要停下来加载时会触发  
            innerAudioContext.onWaiting(res => {  
                _this.song_loading = true;  
            });  
        },  
        // 上一曲  
        changePrevious() {  
            if (this.song_index > 0) {  
                this.song_index--;  
            } else {  
                this.song_index = 0;  
            }  
            this.playAudio(this.musicList[this.song_index]);  
        },  
        // 播放状态  
        changePlayState() {  
            if (this.song_playState) {  
                innerAudioContext.pause();  
            } else {  
                innerAudioContext.play();  
            }  
        },  
        // 下一曲  
        changeNext() {  
            if (this.musicList.length > this.song_index + 1) {  
                this.song_index++;  
            } else {  
                this.song_index = 0;  
            }  
            this.playAudio(this.musicList[this.song_index]);  
        },  
        playAudio(data) {  
            this.slider_index = 0;  
            this.song_url = data.url;  
            this.initPlay();  
        },  
        formatTime(num) {  
            num = num.toFixed(0);  
            let second = num % 60;  
            if (second < 10) {  
                second = '0' + second;  
            }  
            let min = Math.floor(num / 60);  
            if (min < 10) {  
                min = '0' + min;  
            }  
            return min + ':' + second;  
        }  
    }  
};
style 代码
uni-app,  
page {  
    background-image: linear-gradient(35deg, #b6e8fc, #ecccfb, #b6e8fc);  
}  
.player {  
    margin-top: calc(100vh - 150px);  
    width: 100%;  
    height: 150px;  
    background-image: linear-gradient(150deg, #e7f5ff, #ffffff, #f1eeff);  
    border-top-right-radius: 30px;  
    border-top-left-radius: 30px;  
    position: relative;  
    .progress {  
        height: 50px;  
        display: flex;  
        justify-content: space-between;  
        align-items: center;  
        .current-time {  
            width: 60px;  
            text-align: right;  
            color: #898989;  
        }  
        .slider {  
            width: calc(100% - 120px);  
        }  
        .max-time {  
            width: 60px;  
            text-align: left;  
            color: #898989;  
        }  
    }  
    .control {  
        margin: 0 auto;  
        width: 80%;  
        height: 80px;  
        .col {  
            float: left;  
            position: relative;  
            display: block;  
            box-sizing: border-box;  
            width: 33.3333336%;  
            height: 100px;  
            line-height: 100px;  
            display: flex;  
            justify-content: center;  
            .outer {  
                border: 5px solid rgba(0, 148, 255, 0.9);  
                opacity: 0.9;  
                width: 68px;  
                height: 68px;  
                border-top-color: transparent;  
                border-bottom-color: transparent;  
                border-radius: 50%;  
                animation: spinRight 0.5s linear infinite normal;  
                animation-delay: 0;  
                margin: 0 auto;  
            }  
            .inner {  
                border: 5px solid rgba(0, 148, 255, 0.9);  
                opacity: 0.9;  
                width: 38px;  
                height: 38px;  
                border-left-color: transparent;  
                border-bottom-color: transparent;  
                border-radius: 50%;  
                animation: spinLeft 0.5s linear infinite normal;  
                animation-delay: 0;  
                margin: 0 auto;  
                top: -63px;  
                display: block;  
                position: relative;  
            }  
            .play-btn,  
            .previous-btn,  
            .next-btn {  
                width: 68px;  
                height: 68px;  
                line-height: 68px;  
                border-radius: 50%;  
                display: flex;  
                align-items: center;  
                justify-content: center;  
            }  
            .play-btn {  
                background-color: #0190ff;  
            }  
        }  
    }  
}  
.icon-play {  
    width: 26px;  
    height: 26px;  
    background-image: url('data:image/svg+xml;base64,PD94bWwgdmVyc2lvbj0iMS4wIiBzdGFuZGFsb25lPSJubyI/PjwhRE9DVFlQRSBzdmcgUFVCTElDICItLy9XM0MvL0RURCBTVkcgMS4xLy9FTiIgImh0dHA6Ly93d3cudzMub3JnL0dyYXBoaWNzL1NWRy8xLjEvRFREL3N2ZzExLmR0ZCI+PHN2ZyB0PSIxNjY5ODE5MzUxMDA4IiBjbGFzcz0iaWNvbiIgdmlld0JveD0iMCAwIDEwMjQgMTAyNCIgdmVyc2lvbj0iMS4xIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHAtaWQ9IjIzNDciIHhtbG5zOnhsaW5rPSJodHRwOi8vd3d3LnczLm9yZy8xOTk5L3hsaW5rIiB3aWR0aD0iMjYiIGhlaWdodD0iMjYiPjxwYXRoIGQ9Ik01NS4zNjk1MjMxNCA2OC4wNTM3MDM0NWMwLTU2LjE2NTU0ODY3IDM5LjYyNTM3ODQ2LTc5LjI3NjEyNDg1IDg4LjIwNTc4NzEyLTUxLjgwMjE5MTE4bDc4OC41NzU0NjU1NSA0NDUuODc0MjkyN2M0OC43MDcyNTA4NyAyNy41NTAwMzg3NiA0OC41ODA0MDg2NiA3Mi4yOTk4MjU1MiAwIDk5Ljc0ODM5MDA2TDE0My41NzUzMTAyNiAxMDA3Ljc0ODQ4NzczQzk0Ljg2ODA1OTM5IDEwMzUuMjk4NTI2NDcgNTUuMzY5NTIzMTQgMTAxMi4xMTE4NDUxOSA1NS4zNjk1MjMxNCA5NTUuOTQ2Mjk2NTV2LTg4Ny44OTI1OTMxeiIgZmlsbD0iI0ZGRkZGRiIgcC1pZD0iMjM0OCI+PC9wYXRoPjwvc3ZnPg==');  
}  
.icon-pause {  
    width: 26px;  
    height: 26px;  
    background-image: url('data:image/svg+xml;base64,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');  
}  
.icon-previous {  
    width: 22px;  
    height: 22px;  
    background-image: url('data:image/svg+xml;base64,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');  
}  
.icon-next {  
    width: 22px;  
    height: 22px;  
    background-image: url('data:image/svg+xml;base64,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');  
}

操作步骤:

音频自动一首一首播放时

预期结果:

无内存泄漏

实际结果:

内存泄漏,小程序开发工具上崩溃重启;机车上直接卡死,任何按钮与导航都无反应

bug描述:

createInnerAudioContextgetBackgroundAudioManager都有会内存泄漏

createInnerAudioContext.destroy()也没有垃圾回收机制,

代码示例是从完整的代码中拷贝出来的,完整代码中使用到了storeStorage;代码示例情况也是一样,也会内存泄漏。

2022-11-30 23:23 负责人:DCloud_Android_zl 分享
已邀请:
7***@qq.com

7***@qq.com

您好 最后找到解决方案了没

  • Tenglin (作者)

    没有,最后放弃了

    2024-12-02 10:03

2***@qq.com

2***@qq.com

我这也发现这问题了 切换的时候卡死更快 安卓手机。。。 有解决方案么?

  • Tenglin (作者)

    没有,最后放弃了

    2024-12-02 10:03

要回复问题请先登录注册