From c4a88dfe6c3e9929dbb8bbf382a6471bb1818524 Mon Sep 17 00:00:00 2001
From: Simon Ruderich <simon@ruderich.org>
Date: Wed, 16 Apr 2025 17:57:44 +0200
Subject: [PATCH] midifile: decode UMP SysRT messages

---
 src/tools/midifile.c | 38 +++++++++++++++++++++++++++++++++++++-
 1 file changed, 37 insertions(+), 1 deletion(-)

diff --git a/src/tools/midifile.c b/src/tools/midifile.c
index 80c5bbb1c..cd1b6ec52 100644
--- a/src/tools/midifile.c
+++ b/src/tools/midifile.c
@@ -940,7 +940,43 @@ static int dump_event_ump(FILE *out, const struct midi_event *ev)
 		dump_mem(out, "Utility", ev->data, ev->size);
 		break;
 	case 0x1:
-		dump_mem(out, "SysRT", ev->data, ev->size);
+		switch (ev->data[2]) {
+		case 0xf1:
+			fprintf(out, "MIDI Time Code Quarter Frame: type %d values %d",
+					ev->data[0] >> 4, ev->data[0] & 0xf);
+			break;
+		case 0xf2:
+			fprintf(out, "Song Position Pointer: value %d",
+					((int)ev->data[1] << 7 | ev->data[0]));
+			break;
+		case 0xf3:
+			fprintf(out, "Song Select: value %d", (ev->data[0] & 0x7f));
+			break;
+		case 0xf6:
+			fprintf(out, "Tune Request");
+			break;
+		case 0xf8:
+			fprintf(out, "Timing Clock");
+			break;
+		case 0xfa:
+			fprintf(out, "Start Sequence");
+			break;
+		case 0xfb:
+			fprintf(out, "Continue Sequence");
+			break;
+		case 0xfc:
+			fprintf(out, "Stop Sequence");
+			break;
+		case 0xfe:
+			fprintf(out, "Active Sensing");
+			break;
+		case 0xff:
+			fprintf(out, "System Reset");
+			break;
+		default:
+			dump_mem(out, "SysRT", ev->data, ev->size);
+			break;
+		}
 		break;
 	case 0x2:
 	{