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Example code of maximal/audio-waveform

Informations about the package audio-waveform

Audio waveform generator on PHP with SoX

Install

Install SoX and some of its handlers for different audio formats. Also you need a GD module or other extension providing imagecreatetruecolor() functionality. For example, on Ubuntu:

Install this package using the Composer require command:

or add the package name to the require section in your composer.json file:

and then run:

Use

In your PHP source:

One Phase

To get positive waveform only (i.e. one phase) pass onePhase parameter set to true:

Stereo source:

Mono source:

Settings

All settings are public static members of Waveform class:

Examples

Red waveform with half-transparent peaks:

Red waveform and fully transparent background:

Ubuntu Linux thumbnailer for Nautilus file explorer

  1. Install the package to some directory. For example: /opt/maximal/audio-waveform-php

  2. Place the following code in the file /usr/share/thumbnailers/waveform.thumbnailer

    This repository contains an example thumbnailer file. See: usr/share/thumbnailers/waveform.thumbnailer.

    Also you can add other MIME types to the MimeType section of your thumbnaler file as long as they are supportable by SoX utility.

  3. Clear thumbnail cache and restart Nautilus:

  4. Since then all your audio files with specified MIME types will be shown in Nautilus using its small waveforms. By default they are WAV, MP3 and OGG files.

Integration with other libraries (e.g. wavesurfer.js)

Waveform class has getWaveformData() method for retrieving the waveform data without generating the image. You can use it to integrate with different libraries, for instance, with the great wavesurfer.js.

To get positive values only (i.e. one phase) pass onePhase parameter set to true:

Contact the author

All versions of audio-waveform with dependencies

PHP Build Version
Package Version
Requires php Version >=5.6.0
ext-gd Version *
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