upd tested against

add macOS badge

README.md

@@ -1,5 +1,6 @@
 ![Windows](https://img.shields.io/badge/Windows-0078D6?style=for-the-badge&logo=windows&logoColor=white)
 ![Linux](https://img.shields.io/badge/Linux-FCC624?style=for-the-badge&logo=linux&logoColor=black)
+![macOS](https://img.shields.io/badge/mac%20os-000000?style=for-the-badge&logo=macos&logoColor=F0F0F0)
 
 # VBAN Sendtext
 
@@ -23,10 +24,10 @@ For an outline of past/future changes refer to: [CHANGELOG](CHANGELOG.md)
 
 ## Tested against
 
--   Basic 1.1.1.9
--   Banana 2.1.1.9
--   Potato 3.1.1.9
--   Matrix 1.0.1.2
+-   Basic 1.1.2.2
+-   Banana 2.1.2.2
+-   Potato 3.1.2.2
+-   Matrix 1.0.2.6
 
 ---
 

cmd/vbantxt/main.go

@@ -151,14 +151,15 @@ func run() (func(), error) {
 
 // versionFromBuild retrieves the version information from the build metadata.
 func versionFromBuild() string {
-	if version == "" {
+	if version != "" {
+		return version
+	}
+
 	info, ok := debug.ReadBuildInfo()
 	if !ok {
-			return "(unable to read build info)"
+		return "(unable to read version)"
 	}
-		version = strings.Split(info.Main.Version, "-")[0]
-	}
-	return version
+	return strings.Split(info.Main.Version, "-")[0]
 }
 
 // createClient creates a new vban client with the provided options.

go.mod

@@ -15,20 +15,20 @@ require (
 	github.com/charmbracelet/x/ansi v0.11.6 // indirect
 	github.com/charmbracelet/x/cellbuf v0.0.15 // indirect
 	github.com/charmbracelet/x/term v0.2.2 // indirect
-	github.com/clipperhouse/displaywidth v0.10.0 // indirect
-	github.com/clipperhouse/uax29/v2 v2.6.0 // indirect
+	github.com/clipperhouse/displaywidth v0.11.0 // indirect
+	github.com/clipperhouse/uax29/v2 v2.7.0 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/go-logfmt/logfmt v0.6.1 // indirect
 	github.com/kr/pretty v0.1.0 // indirect
 	github.com/lucasb-eyer/go-colorful v1.3.0 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
-	github.com/mattn/go-runewidth v0.0.19 // indirect
+	github.com/mattn/go-runewidth v0.0.20 // indirect
 	github.com/muesli/termenv v0.16.0 // indirect
 	github.com/pelletier/go-toml/v2 v2.2.4 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/rivo/uniseg v0.4.7 // indirect
 	github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e // indirect
-	golang.org/x/exp v0.0.0-20260212183809-81e46e3db34a // indirect
+	golang.org/x/exp v0.0.0-20260218203240-3dfff04db8fa // indirect
 	golang.org/x/sys v0.41.0 // indirect
 	gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect

go.sum

@@ -12,10 +12,10 @@ github.com/charmbracelet/x/cellbuf v0.0.15 h1:ur3pZy0o6z/R7EylET877CBxaiE1Sp1GMx
 github.com/charmbracelet/x/cellbuf v0.0.15/go.mod h1:J1YVbR7MUuEGIFPCaaZ96KDl5NoS0DAWkskup+mOY+Q=
 github.com/charmbracelet/x/term v0.2.2 h1:xVRT/S2ZcKdhhOuSP4t5cLi5o+JxklsoEObBSgfgZRk=
 github.com/charmbracelet/x/term v0.2.2/go.mod h1:kF8CY5RddLWrsgVwpw4kAa6TESp6EB5y3uxGLeCqzAI=
-github.com/clipperhouse/displaywidth v0.10.0 h1:GhBG8WuerxjFQQYeuZAeVTuyxuX+UraiZGD4HJQ3Y8g=
-github.com/clipperhouse/displaywidth v0.10.0/go.mod h1:XqJajYsaiEwkxOj4bowCTMcT1SgvHo9flfF3jQasdbs=
-github.com/clipperhouse/uax29/v2 v2.6.0 h1:z0cDbUV+aPASdFb2/ndFnS9ts/WNXgTNNGFoKXuhpos=
-github.com/clipperhouse/uax29/v2 v2.6.0/go.mod h1:Wn1g7MK6OoeDT0vL+Q0SQLDz/KpfsVRgg6W7ihQeh4g=
+github.com/clipperhouse/displaywidth v0.11.0 h1:lBc6kY44VFw+TDx4I8opi/EtL9m20WSEFgwIwO+UVM8=
+github.com/clipperhouse/displaywidth v0.11.0/go.mod h1:bkrFNkf81G8HyVqmKGxsPufD3JhNl3dSqnGhOoSD/o0=
+github.com/clipperhouse/uax29/v2 v2.7.0 h1:+gs4oBZ2gPfVrKPthwbMzWZDaAFPGYK72F0NJv2v7Vk=
+github.com/clipperhouse/uax29/v2 v2.7.0/go.mod h1:EFJ2TJMRUaplDxHKj1qAEhCtQPW2tJSwu5BF98AuoVM=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/go-logfmt/logfmt v0.6.1 h1:4hvbpePJKnIzH1B+8OR/JPbTx37NktoI9LE2QZBBkvE=
@@ -31,8 +31,8 @@ github.com/lucasb-eyer/go-colorful v1.3.0 h1:2/yBRLdWBZKrf7gB40FoiKfAWYQ0lqNcbuQ
 github.com/lucasb-eyer/go-colorful v1.3.0/go.mod h1:R4dSotOR9KMtayYi1e77YzuveK+i7ruzyGqttikkLy0=
 github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWEY=
 github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
-github.com/mattn/go-runewidth v0.0.19 h1:v++JhqYnZuu5jSKrk9RbgF5v4CGUjqRfBm05byFGLdw=
-github.com/mattn/go-runewidth v0.0.19/go.mod h1:XBkDxAl56ILZc9knddidhrOlY5R/pDhgLpndooCuJAs=
+github.com/mattn/go-runewidth v0.0.20 h1:WcT52H91ZUAwy8+HUkdM3THM6gXqXuLJi9O3rjcQQaQ=
+github.com/mattn/go-runewidth v0.0.20/go.mod h1:XBkDxAl56ILZc9knddidhrOlY5R/pDhgLpndooCuJAs=
 github.com/muesli/termenv v0.16.0 h1:S5AlUN9dENB57rsbnkPyfdGuWIlkmzJjbFf0Tf5FWUc=
 github.com/muesli/termenv v0.16.0/go.mod h1:ZRfOIKPFDYQoDFF4Olj7/QJbW60Ol/kL1pU3VfY/Cnk=
 github.com/pelletier/go-toml/v2 v2.2.4 h1:mye9XuhQ6gvn5h28+VilKrrPoQVanw5PMw/TB0t5Ec4=
@@ -47,8 +47,8 @@ github.com/stretchr/testify v1.10.0 h1:Xv5erBjTwe/5IxqUQTdXv5kgmIvbHo3QQyRwhJsOf
 github.com/stretchr/testify v1.10.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
 github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e h1:JVG44RsyaB9T2KIHavMF/ppJZNG9ZpyihvCd0w101no=
 github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e/go.mod h1:RbqR21r5mrJuqunuUZ/Dhy/avygyECGrLceyNeo4LiM=
-golang.org/x/exp v0.0.0-20260212183809-81e46e3db34a h1:ovFr6Z0MNmU7nH8VaX5xqw+05ST2uO1exVfZPVqRC5o=
-golang.org/x/exp v0.0.0-20260212183809-81e46e3db34a/go.mod h1:K79w1Vqn7PoiZn+TkNpx3BUWUQksGO3JcVX6qIjytmA=
+golang.org/x/exp v0.0.0-20260218203240-3dfff04db8fa h1:Zt3DZoOFFYkKhDT3v7Lm9FDMEV06GpzjG2jrqW+QTE0=
+golang.org/x/exp v0.0.0-20260218203240-3dfff04db8fa/go.mod h1:K79w1Vqn7PoiZn+TkNpx3BUWUQksGO3JcVX6qIjytmA=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.41.0 h1:Ivj+2Cp/ylzLiEU89QhWblYnOE9zerudt9Ftecq2C6k=
 golang.org/x/sys v0.41.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=

packet.go

@@ -10,6 +10,7 @@ import (
 
 const (
 	vbanProtocolTxt = 0x40
+	vbanTxtUtf8     = 0x10
 	streamNameSz    = 16
 	headerSz        = 4 + 1 + 1 + 1 + 1 + 16 + 4
 )
@@ -59,7 +60,7 @@ func newPacket(streamname string) (packet, error) {
 
 // sr defines the samplerate for the request.
 func (p *packet) sr() byte {
-	return byte(vbanProtocolTxt + p.bpsIndex)
+	return byte(p.bpsIndex | vbanProtocolTxt)
 }
 
 // nbc defines the channel of the request.
@@ -74,7 +75,7 @@ func (p *packet) header() []byte {
 	p.hbuf.WriteByte(p.sr())
 	p.hbuf.WriteByte(byte(0))
 	p.hbuf.WriteByte(p.nbc())
-	p.hbuf.WriteByte(byte(0x10))
+	p.hbuf.WriteByte(byte(vbanTxtUtf8))
 	p.hbuf.Write(p.streamname[:])
 
 	var frameBytes [4]byte

vbantxt.go

@@ -4,6 +4,8 @@ import (
 	"fmt"
 	"io"
 	"time"
+
+	"github.com/charmbracelet/log"
 )
 
 // VbanTxt is used to send VBAN-TXT requests to a distant Voicemeeter/Matrix.
@@ -11,6 +13,7 @@ type VbanTxt struct {
 	conn      io.WriteCloser
 	packet    packet
 	ratelimit time.Duration
+	lastSend  time.Time
 }
 
 // New constructs a fully formed VbanTxt instance. This is the package's entry point.
@@ -40,8 +43,18 @@ func New(host string, port int, streamname string, options ...Option) (*VbanTxt,
 }
 
 // Send is responsible for firing each VBAN-TXT request.
-// It waits for {vt.ratelimit} time before returning.
+// It enforces rate limiting by waiting only when necessary.
 func (vt *VbanTxt) Send(cmd string) error {
+	if elapsed := time.Since(vt.lastSend); elapsed < vt.ratelimit {
+		log.Debugf(
+			"Rate limit in effect. Waiting for %v before sending next command.",
+			vt.ratelimit-elapsed,
+		)
+		time.Sleep(vt.ratelimit - elapsed)
+	}
+
+	vt.lastSend = time.Now()
+
 	_, err := vt.conn.Write(append(vt.packet.header(), cmd...))
 	if err != nil {
 		return fmt.Errorf("error sending command (%s): %w", cmd, err)
@@ -49,8 +62,6 @@ func (vt *VbanTxt) Send(cmd string) error {
 
 	vt.packet.bumpFrameCounter()
 
-	time.Sleep(vt.ratelimit)
-
 	return nil
 }