waveform

README

Usage

To install and use waveform, simply run:

$ go install github.com/mdlayher/waveform/...

The waveform binary is now installed in your $GOPATH. It has several options available for generating waveform images:

$ waveform -h
Usage of waveform:
  -alt="": hex alternate color of output waveform image
  -bg="#FFFFFF": hex background color of output waveform image
  -fg="#000000": hex foreground color of output waveform image
  -fn="solid": function used to color output waveform image [options: fuzz, gradient, solid, stripe]
  -resolution=1: number of times audio is read and drawn per second of audio
  -sharpness=1: sharpening factor used to add curvature to a scaled image
  -x=1: scaling factor for image X-axis
  -y=1: scaling factor for image Y-axis

waveform currently supports both WAV and FLAC audio files. An audio stream must be passed on stdin, and the resulting, PNG-encoded image will be written to stdout. Any errors which occur will be written to stderr.

Documentation

Overview

Command waveform is a simple utility which reads an audio file from stdin, processes it into a waveform image using input flags, and writes a PNG image of the generated waveform to stdout.