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A high framerate, fully configurable OpenGL music visualizer

License: GNU General Public License v3.0

CMake 2.39% C++ 90.54% GLSL 5.02% Shell 0.56% Meson 1.50%

opengl opengl-music-visualizer visualizer music-visualizer

glmviz's Introduction

GLMViz

A OpenGL music visualizer. GLMViz currently supports FiFo buffers and PulseAudio as input.

The main focus of this project is to create a high framerate, dB correct spectrum audio visualizer.

Example

More examples are in the Example folder.

Build Requirements

GLMViz is NOT a lightweight program as it's build using GLFW and other OpenGL abstraction libraries.

OpenGL libraries: libglfw, libglm
FFT library: fftw
PulseAudio[Optional]: libpulse
Configuration library: libconfig++

Additionally CMake 3.0.2 / Meson and a C++11 compatible compiler are needed to successfully build the project.

Installing

The install script automatically creates a build folder, handles configuration, etc... Runnig the install script will install GLMViz to /usr/local/bin/ and copy the default config to /etc/GLMViz/config

./install

Per-user configurations have to be copied manually using:

cp /etc/GLMViz/config ~/.config/GLMViz/config

Usage

glmviz [path-to-config]

Exit with CTRL-C or by closing the window.

The config can be reloaded by pressing R or by sending SIGUSR1 to the program.

Thanks

Big thanks to dpayne and Karl Stavestrand for the pulseaudio setup code. Also thanks to xdaimon and kritzikratzi for the smooth line shader idea.

glmviz's People

Contributors

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tadly voguke richardyantas mindcool25

glmviz's Issues

Can't link bar_pre shader!

Hi there. I'm on

Linux Autechre 4.11.3-1-ARCH #1 SMP PREEMPT Sun May 28 10:40:17 CEST 2017 x86_64 GNU/Linux

If I use the default config from /etc/GLMViz/config or the minimal one from the examples, this happens:

Can't link bar_pre shader!
Vertex info
-----------
0(21) : error C1101: ambiguous overloaded function reference "log(int)"
    (0) : lowp float log(lowp float)
    (0) : mediump float log(mediump float)
    (0) : float log(float)
(0) : error C2003: incompatible options for link

Link info
---------
error: Programs must have a vertex, geometry, or tessellation shader assigned to use transform Feedback varyings.

Wrong number of samples

Clean install on Arch, build and install with yay seems to work fine, but when running glmviz I get the following:

╭─joshha@joshharris-m15:~
╰─>  glmviz
terminate called after throwing an instance of 'std::invalid_argument'
  what():  Wrong number of Samples
zsh: abort (core dumped)  glmviz```

CMake/Meson req

Why is CMake/Meson a req? Is there a way to build the program without it?

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