diff --git a/pipewire-jack/examples/ump-source.c b/pipewire-jack/examples/ump-source.c
new file mode 100644
index 000000000..e3cbb8042
--- /dev/null
+++ b/pipewire-jack/examples/ump-source.c
@@ -0,0 +1,114 @@
+/* PipeWire */
+/* SPDX-FileCopyrightText: Copyright © 2019 Wim Taymans */
+/* SPDX-License-Identifier: MIT */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <sys/mman.h>
+
+#include <jack/jack.h>
+#include <jack/midiport.h>
+
+#include <pipewire-jack-extensions.h>
+
+#define MAX_BUFFERS	64
+
+struct data {
+	const char *path;
+
+	jack_client_t *client;
+	const char *client_name;
+	jack_port_t *out_port;
+
+	int cycle;
+	uint64_t position;
+	uint64_t next_sample;
+	uint64_t period;
+};
+
+static int
+process (jack_nframes_t nframes, void *arg)
+{
+        struct data *d = (struct data*)arg;
+	void *buf;
+	uint32_t event[2];
+
+	buf = jack_port_get_buffer (d->out_port, nframes);
+	jack_midi_clear_buffer(buf);
+
+	while (d->position >= d->next_sample && d->position + nframes > d->next_sample) {
+		uint64_t pos = d->position - d->next_sample;
+
+		if (d->cycle == 0) {
+			/* MIDI 2.0 note on, channel 0, middle C, max velocity, no attribute */
+			event[0] = 0x40903c00;
+			event[1] = 0xffff0000;
+		} else {
+			/* MIDI 2.0 note off, channel 0, middle C, max velocity, no attribute */
+			event[0] = 0x40803c00;
+			event[1] = 0xffff0000;
+		}
+
+		d->cycle ^= 1;
+
+		jack_midi_event_write(buf, pos, (const jack_midi_data_t *) event, sizeof(event));
+
+		d->next_sample += d->period;
+	}
+	d->position += nframes;
+	return 0;
+}
+
+int main(int argc, char *argv[])
+{
+	struct data data = { 0, };
+	jack_options_t options = JackNullOption;
+        jack_status_t status;
+
+	data.client = jack_client_open ("ump-source", options, &status);
+        if (data.client == NULL) {
+                fprintf (stderr, "jack_client_open() failed, "
+                         "status = 0x%2.0x\n", status);
+                if (status & JackServerFailed) {
+                        fprintf (stderr, "Unable to connect to JACK server\n");
+                }
+                exit (1);
+        }
+        if (status & JackServerStarted) {
+                fprintf (stderr, "JACK server started\n");
+        }
+        if (status & JackNameNotUnique) {
+                data.client_name = jack_get_client_name(data.client);
+                fprintf (stderr, "unique name `%s' assigned\n", data.client_name);
+        }
+
+	/* send 2 events per second */
+	data.period = jack_get_sample_rate(data.client) / 2;
+
+        jack_set_process_callback (data.client, process, &data);
+
+	/* the UMP port type allows both sending and receiving of UMP
+	 * messages, which can contain MIDI 1.0 and MIDI 2.0 messages. */
+	data.out_port = jack_port_register (data.client, "output",
+                                          JACK_DEFAULT_UMP_TYPE,
+                                          JackPortIsOutput, 0);
+
+       if (data.out_port == NULL) {
+                fprintf(stderr, "no more JACK ports available\n");
+                exit (1);
+        }
+
+        if (jack_activate (data.client)) {
+                fprintf (stderr, "cannot activate client");
+                exit (1);
+        }
+
+	while (1) {
+		sleep (1);
+	}
+
+        jack_client_close (data.client);
+
+	return 0;
+}
diff --git a/pipewire-jack/src/meson.build b/pipewire-jack/src/meson.build
index b4c2651f4..0630d96a8 100644
--- a/pipewire-jack/src/meson.build
+++ b/pipewire-jack/src/meson.build
@@ -110,3 +110,11 @@ if sdl_dep.found()
     link_with: pipewire_jack,
   )
 endif
+executable('ump-source',
+  '../examples/ump-source.c',
+  include_directories : [jack_inc],
+  install : installed_tests_enabled,
+  install_dir : installed_tests_execdir / 'examples' / 'jack',
+  dependencies : [mathlib],
+  link_with: pipewire_jack,
+)