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TypeScript PlayerCore.setVolume方法代码示例

本文整理汇总了TypeScript中web-audio-api-player.PlayerCore.setVolume方法的典型用法代码示例。如果您正苦于以下问题:TypeScript PlayerCore.setVolume方法的具体用法?TypeScript PlayerCore.setVolume怎么用?TypeScript PlayerCore.setVolume使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在web-audio-api-player.PlayerCore的用法示例。


在下文中一共展示了PlayerCore.setVolume方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的TypeScript代码示例。

示例1: _onChangeVolume

    protected _onChangeVolume(event: Event) {

        // styling the html5 range:
        // http://brennaobrien.com/blog/2014/05/style-input-type-range-in-every-browser.html

        let rangeElement = event.target as HTMLInputElement;
        let value = parseInt(rangeElement.value);

        this.player.setVolume(value);

    }
开发者ID:chrisweb,项目名称:web-audio-api-player,代码行数:11,代码来源:ui.ts

示例2: PlayerCore

$(function () {

    let options: ICoreOptions = {
        soundsBaseUrl: 'https://mp3l.jamendo.com/?trackid=',
        playingProgressIntervalTime: 500,
        //volume: 80
    };
    
    let player = new PlayerCore(options);

    player.setVolume(80);

    let visualizerAudioGraph: any = {};

    player.getAudioContext().then((audioContext) => {

        let bufferInterval = 1024;
        let numberOfInputChannels = 1;
        let numberOfOutputChannels = 1;

        // create the audio graph
        visualizerAudioGraph.gainNode = audioContext.createGain();
        visualizerAudioGraph.delayNode = audioContext.createDelay(1);
        visualizerAudioGraph.scriptProcessorNode = audioContext.createScriptProcessor(bufferInterval, numberOfInputChannels, numberOfOutputChannels);
        visualizerAudioGraph.analyserNode = audioContext.createAnalyser();

        // analyser options
        visualizerAudioGraph.analyserNode.smoothingTimeConstant = 0.2;
        visualizerAudioGraph.analyserNode.minDecibels = -100;
        visualizerAudioGraph.analyserNode.maxDecibels = -33;
        visualizerAudioGraph.analyserNode.fftSize = 16384;
        //visualizerAudioGraph.analyserNode.fftSize = 2048;

        // connect the nodes
        visualizerAudioGraph.delayNode.connect(audioContext.destination);
        visualizerAudioGraph.scriptProcessorNode.connect(audioContext.destination);
        visualizerAudioGraph.analyserNode.connect(visualizerAudioGraph.scriptProcessorNode);
        visualizerAudioGraph.gainNode.connect(visualizerAudioGraph.delayNode);

        player.setAudioGraph(visualizerAudioGraph);

    });

    let isPlaying = false;

    // canvas painting loop
    function looper() {

        if (!isPlaying) {
            return;
        } 

        window.webkitRequestAnimationFrame(looper);

        // visualizer
        var initialArray = new Uint8Array(visualizerAudioGraph.analyserNode.frequencyBinCount);

        visualizerAudioGraph.analyserNode.getByteFrequencyData(initialArray);

        console.log(initialArray);

        //var binsArray = transformToVisualBins(initialArray);

        //console.log(binsArray);

        var VisualData = GetVisualBins(initialArray)
        var TransformedVisualData = transformToVisualBins(VisualData)

        console.log(TransformedVisualData);

        ctx.clearRect(0, 0, canvas.width, canvas.height); // Clear the canvas
        ctx.fillStyle = 'red'; // Color of the bars

        for (var y = 0; y < SpectrumBarCount; y++) {

            let bar_x = y * barWidth;
            let bar_width = barWidth;
            let bar_height = TransformedVisualData[y];

            //  fillRect( x, y, width, height ) // Explanation of the parameters below
            //ctx.fillRect(0, 0, canvas.width, canvas.height);
            ctx.fillRect(bar_x, (canvas.height / 2) - bar_height, bar_width, bar_height);

            ctx.fillRect(bar_x, canvas.height / 2, bar_width, bar_height);

        }

    }

    // initialize player ui
    let playerUI = new PlayerUI(player);

    // add songs to player queue
    let firstSoundAttributes: ISoundAttributes = {
        sources: '1314412&format=mp31',
        id: 1314412,
        //sources: '1214935&format=ogg1',
        //id: 1214935,
        playlistId: 0,
        onLoading: (loadingProgress, maximumValue, currentValue) => {
//.........这里部分代码省略.........
开发者ID:chrisweb,项目名称:web-audio-api-player,代码行数:101,代码来源:bootstrap.ts


注:本文中的web-audio-api-player.PlayerCore.setVolume方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。