diff --git a/examples/client-play-format-h264-save-to-disk/main.go b/examples/client-play-format-h264-save-to-disk/main.go
index cdd2c9cb..c81e6e0e 100644
--- a/examples/client-play-format-h264-save-to-disk/main.go
+++ b/examples/client-play-format-h264-save-to-disk/main.go
@@ -52,8 +52,9 @@ func main() {
 
 	// setup H264 -> MPEG-TS muxer
 	mpegtsMuxer := &mpegtsMuxer{
-		sps: forma.SPS,
-		pps: forma.PPS,
+		fileName: "mystream.ts",
+		sps:      forma.SPS,
+		pps:      forma.PPS,
 	}
 	mpegtsMuxer.initialize()
 	if err != nil {
diff --git a/examples/client-play-format-h264-save-to-disk/mpegts_muxer.go b/examples/client-play-format-h264-save-to-disk/mpegts_muxer.go
index 3d5d9aac..99860849 100644
--- a/examples/client-play-format-h264-save-to-disk/mpegts_muxer.go
+++ b/examples/client-play-format-h264-save-to-disk/mpegts_muxer.go
@@ -15,8 +15,9 @@ func durationGoToMPEGTS(v time.Duration) int64 {
 
 // mpegtsMuxer allows to save a H264 stream into a MPEG-TS file.
 type mpegtsMuxer struct {
-	sps []byte
-	pps []byte
+	fileName string
+	sps      []byte
+	pps      []byte
 
 	f            *os.File
 	b            *bufio.Writer
@@ -28,7 +29,7 @@ type mpegtsMuxer struct {
 // initialize initializes a mpegtsMuxer.
 func (e *mpegtsMuxer) initialize() error {
 	var err error
-	e.f, err = os.Create("mystream.ts")
+	e.f, err = os.Create(e.fileName)
 	if err != nil {
 		return err
 	}
diff --git a/examples/client-play-format-h265-save-to-disk/main.go b/examples/client-play-format-h265-save-to-disk/main.go
index 2689e418..e670b7a9 100644
--- a/examples/client-play-format-h265-save-to-disk/main.go
+++ b/examples/client-play-format-h265-save-to-disk/main.go
@@ -52,9 +52,10 @@ func main() {
 
 	// setup H265 -> MPEG-TS muxer
 	mpegtsMuxer := &mpegtsMuxer{
-		vps: forma.VPS,
-		sps: forma.SPS,
-		pps: forma.PPS,
+		fileName: "mystream.ts",
+		vps:      forma.VPS,
+		sps:      forma.SPS,
+		pps:      forma.PPS,
 	}
 	mpegtsMuxer.initialize()
 	if err != nil {
diff --git a/examples/client-play-format-h265-save-to-disk/mpegts_muxer.go b/examples/client-play-format-h265-save-to-disk/mpegts_muxer.go
index 2b8c409a..d4cf52a7 100644
--- a/examples/client-play-format-h265-save-to-disk/mpegts_muxer.go
+++ b/examples/client-play-format-h265-save-to-disk/mpegts_muxer.go
@@ -15,9 +15,10 @@ func durationGoToMPEGTS(v time.Duration) int64 {
 
 // mpegtsMuxer allows to save a H265 stream into a MPEG-TS file.
 type mpegtsMuxer struct {
-	vps []byte
-	sps []byte
-	pps []byte
+	fileName string
+	vps      []byte
+	sps      []byte
+	pps      []byte
 
 	f            *os.File
 	b            *bufio.Writer
@@ -29,7 +30,7 @@ type mpegtsMuxer struct {
 // initialize initializes a mpegtsMuxer.
 func (e *mpegtsMuxer) initialize() error {
 	var err error
-	e.f, err = os.Create("mystream.ts")
+	e.f, err = os.Create(e.fileName)
 	if err != nil {
 		return err
 	}
diff --git a/examples/client-play-format-mpeg4audio-save-to-disk/main.go b/examples/client-play-format-mpeg4audio-save-to-disk/main.go
index 0dc02a3e..129299f2 100644
--- a/examples/client-play-format-mpeg4audio-save-to-disk/main.go
+++ b/examples/client-play-format-mpeg4audio-save-to-disk/main.go
@@ -51,7 +51,8 @@ func main() {
 
 	// setup MPEG-4 audio -> MPEG-TS muxer
 	mpegtsMuxer := &mpegtsMuxer{
-		config: forma.Config,
+		fileName: "mystream.ts",
+		config:   forma.Config,
 	}
 	mpegtsMuxer.initialize()
 	if err != nil {
diff --git a/examples/client-play-format-mpeg4audio-save-to-disk/mpegts_muxer.go b/examples/client-play-format-mpeg4audio-save-to-disk/mpegts_muxer.go
index c503b183..347ffd16 100644
--- a/examples/client-play-format-mpeg4audio-save-to-disk/mpegts_muxer.go
+++ b/examples/client-play-format-mpeg4audio-save-to-disk/mpegts_muxer.go
@@ -15,7 +15,8 @@ func durationGoToMPEGTS(v time.Duration) int64 {
 
 // mpegtsMuxer allows to save a MPEG4-audio stream into a MPEG-TS file.
 type mpegtsMuxer struct {
-	config *mpeg4audio.Config
+	fileName string
+	config   *mpeg4audio.Config
 
 	f     *os.File
 	b     *bufio.Writer
@@ -26,7 +27,7 @@ type mpegtsMuxer struct {
 // initialize initializes a mpegtsMuxer.
 func (e *mpegtsMuxer) initialize() error {
 	var err error
-	e.f, err = os.Create("mystream.ts")
+	e.f, err = os.Create(e.fileName)
 	if err != nil {
 		return err
 	}
diff --git a/examples/server-h264-save-to-disk/main.go b/examples/server-h264-save-to-disk/main.go
index 00757c2c..ac663364 100644
--- a/examples/server-h264-save-to-disk/main.go
+++ b/examples/server-h264-save-to-disk/main.go
@@ -84,8 +84,9 @@ func (sh *serverHandler) OnAnnounce(ctx *gortsplib.ServerHandlerOnAnnounceCtx) (
 
 	// setup H264 -> MPEGTS muxer
 	mpegtsMuxer := &mpegtsMuxer{
-		sps: forma.SPS,
-		pps: forma.PPS,
+		fileName: "mystream.ts",
+		sps:      forma.SPS,
+		pps:      forma.PPS,
 	}
 	mpegtsMuxer.initialize()
 	if err != nil {
diff --git a/examples/server-h264-save-to-disk/mpegts_muxer.go b/examples/server-h264-save-to-disk/mpegts_muxer.go
index 9202e20e..e988561b 100644
--- a/examples/server-h264-save-to-disk/mpegts_muxer.go
+++ b/examples/server-h264-save-to-disk/mpegts_muxer.go
@@ -15,8 +15,9 @@ func durationGoToMPEGTS(v time.Duration) int64 {
 
 // mpegtsMuxer allows to save a H264 stream into a MPEG-TS file.
 type mpegtsMuxer struct {
-	sps []byte
-	pps []byte
+	fileName string
+	sps      []byte
+	pps      []byte
 
 	f            *os.File
 	b            *bufio.Writer
@@ -28,7 +29,7 @@ type mpegtsMuxer struct {
 // initialize initializes a mpegtsMuxer.
 func (e *mpegtsMuxer) initialize() error {
 	var err error
-	e.f, err = os.Create("mystream.ts")
+	e.f, err = os.Create(e.fileName)
 	if err != nil {
 		return err
 	}