From c421748db938f129c9f44800e3c16c14e7b178ea Mon Sep 17 00:00:00 2001
From: "5684185+vsariola@users.noreply.github.com"
 <5684185+vsariola@users.noreply.github.com>
Date: Mon, 17 Jul 2023 21:56:17 +0300
Subject: [PATCH] fix: if fetching BPM from vsti host fails, keep the previous
 BPM as defined by the user

---
 cmd/sointu-vsti/main.go | 3 +++
 tracker/model.go        | 3 +++
 tracker/player.go       | 5 +----
 3 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/cmd/sointu-vsti/main.go b/cmd/sointu-vsti/main.go
index c4893b5..a9ffa83 100644
--- a/cmd/sointu-vsti/main.go
+++ b/cmd/sointu-vsti/main.go
@@ -36,6 +36,9 @@ func (c *VSTIProcessContext) NextEvent() (event tracker.PlayerProcessEvent, ok b
 
 func (c *VSTIProcessContext) BPM() (bpm float64, ok bool) {
 	timeInfo := c.host.GetTimeInfo()
+	if timeInfo == nil || timeInfo.Flags&vst2.TempoValid == 0 || timeInfo.Tempo == 0 {
+		return 0, false
+	}
 	return timeInfo.Tempo, true
 }
 
diff --git a/tracker/model.go b/tracker/model.go
index 88fb985..bb06b7b 100644
--- a/tracker/model.go
+++ b/tracker/model.go
@@ -161,6 +161,9 @@ func (m *Model) ProcessPlayerMessage(msg PlayerMessage) {
 	case PlayerCrashMessage:
 		m.panic = true
 	case PlayerRecordedMessage:
+		if e.BPM == 0 {
+			e.BPM = float64(m.song.BPM)
+		}
 		song := RecordingToSong(m.song.Patch, m.song.RowsPerBeat, m.song.Score.RowsPerPattern, e)
 		m.SetSong(song)
 		m.instrEnlarged = false
diff --git a/tracker/player.go b/tracker/player.go
index 4bb4b18..2d2df56 100644
--- a/tracker/player.go
+++ b/tracker/player.go
@@ -277,10 +277,7 @@ loop:
 					p.recordingNoteArrived = false
 				} else {
 					if p.recording && len(p.recordingEvents) > 0 {
-						bpm, ok := context.BPM()
-						if !ok {
-							bpm = 120
-						}
+						bpm, _ := context.BPM()
 						p.trySend(PlayerRecordedMessage{
 							BPM:         bpm,
 							Events:      p.recordingEvents,