sonic-visualiser

USE флаги

• id3tag - Enables ID3 tagging with id3tag library
• jack - Add support for the JACK Audio Connection Kit
• mad - Add support for mad (high-quality mp3 decoder library and cli frontend)
• ogg - Add support for the Ogg container format (commonly used by Vorbis, Theora and flac)
• opus - Enable Opus audio codec support
• osc - Enable support for Open Sound Control
• portaudio - Add support for the crossplatform portaudio audio API
• pulseaudio - Add sound server support via media-libs/libpulse (may be PulseAudio or PipeWire)
• test - Enable dependencies and/or preparations necessary to run tests (usually controlled by FEATURES=test but can be toggled independently)