API in examplesĬreate an instance, passing the container selector and options: var wavesurfer = WaveSurfer. See here: (the "Pre-recoded Peaks" section).
You can however load pre-decoded waveform data to draw the waveform immediately. Web Audio needs the whole file to decode it in the browser. Make sure you have installed below dependencies with same or higher version than mentioned. Portugal biggest wave surfer, Trivium skulls we are 138, Dj majistrate discography, Waverly valances target, Prooxidant-antioxidant.
Wavesurfer angular2 install#
A thin line will be displayed until the whole audio file is downloaded and decoded to draw the waveform. Installation ngx-audio-player is available via npm and yarn Using npm: npm install ngx-audio-player -save Using yarn: yarn add ngx-audio-player Getting Started NgxAudioPlayerModule needs Angular Material. It will fallback to Audio Element without graphics in other browsers (IE 11 and lower). The audio will start playing as you press play. wavesurfer.js works only in modern browsers supporting Web Audio. Yes, if you use the backend: 'MediaElement' option. FAQ Can the audio start playing before the waveform is drawn? Wavesurfer.js works only in modern browsers supporting Web Audio. Interactive navigable audio visualization using Web Audio and Canvas. plugin/mediasession C MediaSessionPlugin.If you name your own renderer, then you can use the renderer by specifying the renderer parameter as 'MyDrawer'.
Note that custom renderer objects don't have to be added to the wavesurfer.js repository, but you're welcome to raise a pull request if you think others will find your renderer useful. For a list of other projects using wavesurfer.js, check out the wiki where you can also add your own project.
Wavesurfer angular2 code#
You can create your own renderer object (for example, by copying the Canvas or MultiCanvas renderer code into your own file and changing as necessary). With wavesurfer.js you can create anything from an HTML5 audio player to a sophisticated DJ application. The provided Canvas and MultiCanvas renderers should support the vast majority of use cases, but wavesurfer.js allows custom renderers to be Take a look at the list of all available methods. You can also trigger various actions on the player, such as wavesurfer.pause(), wavesurfer.skipForward(), wavesurfer.toggleMute() etc. The ready event, mentioned above, can be used like this: Wavesurfer.js has a number of useful events you can subscribe to. When it's done, it will fire the ready event. Wavesurfer.js will load the file, decode it and display a nice waveform image. Or from another server, if it supports CORS headers. You can load files either from the same domain: For example, to make the waveform scrollable, pass the the scrollParent option:Īfter creating an instance, you may want to load an audio track and draw its waveform. However, you can also pass any number of options. It can be either a unique CSS3 selector, or a DOM element. The only required parameter is container. Import WaveSurfer from "wavesurfer.js" Parameters Var WaveSurfer = require("wavesurfer.js") To use the library, you will need to include it from your code using CommonJS:
If you are using Webpack or another bundler, you can install wavesurfer.js with NPM: Next, in your JavaScript code, create an instance of the global WaveSurfer object. You can grab the latest version from .Ĭreate a container where you want the waveform to appear:
First of all, you need to insert the wavesurfer.js library into your HTML page.
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