RetroArch 1.3.6 - OpenGL Music visualizer

Channel:
Netherlands LibRetro
Subscribers:
31,200
Published on ● Video Link: https://www.youtube.com/watch?v=JLIzkc4wNBo


Game:
RetroArch (2022)
Duration: 3:35
5,249 views
34

An ffmpeg-based music visualizer, now included into RetroArch 1.3.6.

Implemented an FFT visualization for unextended GLES3. 2048-point windowed FFTs are computed with a series of fragment shaders. Compute shaders are GLES 3.1 and would be cleaner/more efficient.

The scene is drawn as a cylindrical mesh with FFT heightmap lookups. Different colors are shaded using mid/side channels as well as left/right information for height.

Implemented this in libretro-ffmpeg, and runs in RetroArch. Recorded the video with RetroArch's built-in FFmpeg recorder.

Runs 1500 fps on a GTX760 @ 720p/4xMSAA.

Song played is Themaister's "Beats and Sorrows" remix from way back in 2007.
http://www.animeremix.org/remix/88/



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