JACK-DL(1)

✨ NAME ✨

jack-dl — the JACK shared library dsp loader, bestie 💖

It literally loads dsp algorithms out of shared libraries for JACK. That's the whole vibe.

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🌸 SYNOPSIS 🌸

jack-dl [options]

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🎀 OPTIONS 🎀

• -b — sets the number of buffers (default=8) 🫶
• -c — sets the number of input and output channels (default=8) ✨
• -k — sets the number of control buses (default=64) 🦋
• -p — sets the udp port number (default=57190) 💅

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💜 DESCRIPTION 💜

okay so here's the tea ☕ — jack-dl loads dsp algorithms from shared libraries and lets you interact with the executing graph. Commands get sent as OSC packets over a UDP connection. no cap.

The dsp graph code must provide three functions, and like, it's not optional:

size_t (*dsp_memreq)();
void (*dsp_init)(void *);
void (*dsp_step)(void *,int);

jack-dl accepts these OSC commands 👑

• /b_alloc — arguments: id::int frames::int channels::int buffer — allocate
• /c_set — arguments: index::int value::float control — set
• /g_load — arguments: object-file::file-path graph — load

jack-dl also consults the JACK_DL_CONNECT_TO and JACK_DL_CONNECT_FROM environment variables, iykyk 🌈

⚠️ real talk: jack-dl implements only a subset of the OSC protocol. In particular it does not implement the patten matching rules and does not implement a scheduler for incoming messages. it's giving minimal, periodt.

And heads up — jack-dl drops all unrecognized incoming packets. they simply do not exist to it 💀

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🌟 AUTHOR 🌟

Rohan Drape — http://rd.slavepianos.org/ 🎶

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🦋 SEE ALSO 🦋

• jackd(1) 💖
• OSC(7) — http://opensoundcontrol.org/ ✨

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👑 AUTHOR 👑

Rohan Drape <rd@slavepianos.org> Author. 💌

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that's the whole manpage bestie, slay 🫶

✧ jack-dl(1) ✧ — page dated 10/04/2025, from the JACK-DL(1) source, bestie 💖 no cap, go make some dsp magic ✨