diff --git a/go.mod b/go.mod
index 7eaa6e2e..8a9aaddf 100644
--- a/go.mod
+++ b/go.mod
@@ -4,7 +4,7 @@ go 1.17
 
 require (
 	code.cloudfoundry.org/bytefmt v0.0.0-20211005130812-5bb3c17173e5
-	github.com/aler9/gortsplib v0.0.0-20220318155519-ba99421e74da
+	github.com/aler9/gortsplib v0.0.0-20220324114420-7f6383aa3cc4
 	github.com/asticode/go-astits v1.10.0
 	github.com/fsnotify/fsnotify v1.4.9
 	github.com/gin-gonic/gin v1.7.2
diff --git a/go.sum b/go.sum
index 814f3e35..463cd987 100644
--- a/go.sum
+++ b/go.sum
@@ -4,8 +4,8 @@ github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751 h1:JYp7IbQjafo
 github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
 github.com/alecthomas/units v0.0.0-20190924025748-f65c72e2690d h1:UQZhZ2O0vMHr2cI+DC1Mbh0TJxzA3RcLoMsFw+aXw7E=
 github.com/alecthomas/units v0.0.0-20190924025748-f65c72e2690d/go.mod h1:rBZYJk541a8SKzHPHnH3zbiI+7dagKZ0cgpgrD7Fyho=
-github.com/aler9/gortsplib v0.0.0-20220318155519-ba99421e74da h1:M+8aDrliK8rIpAGC9mekQJNmVZfSibJ6TARtcPHaCpE=
-github.com/aler9/gortsplib v0.0.0-20220318155519-ba99421e74da/go.mod h1:4HE78w95Rqw1B2T90CHwtA4xBPPCRZ7/G8ds8ZdWcFk=
+github.com/aler9/gortsplib v0.0.0-20220324114420-7f6383aa3cc4 h1:5WaJOApfEcrysFPHDBCN1XGc2JPYtEPjPC/G1LkTok8=
+github.com/aler9/gortsplib v0.0.0-20220324114420-7f6383aa3cc4/go.mod h1:4HE78w95Rqw1B2T90CHwtA4xBPPCRZ7/G8ds8ZdWcFk=
 github.com/aler9/rtmp v0.0.0-20210403095203-3be4a5535927 h1:95mXJ5fUCYpBRdSOnLAQAdJHHKxxxJrVCiaqDi965YQ=
 github.com/aler9/rtmp v0.0.0-20210403095203-3be4a5535927/go.mod h1:vzuE21rowz+lT1NGsWbreIvYulgBpCGnQyeTyFblUHc=
 github.com/asticode/go-astikit v0.20.0 h1:+7N+J4E4lWx2QOkRdOf6DafWJMv6O4RRfgClwQokrH8=
diff --git a/internal/core/hls_muxer.go b/internal/core/hls_muxer.go
index 80dc79c5..b43bc724 100644
--- a/internal/core/hls_muxer.go
+++ b/internal/core/hls_muxer.go
@@ -296,7 +296,8 @@ func (m *hlsMuxer) runInner(innerCtx context.Context, innerReady chan struct{})
 
 			videoTrack = tt
 			videoTrackID = i
-			h264Decoder = rtph264.NewDecoder()
+			h264Decoder = &rtph264.Decoder{}
+			h264Decoder.Init()
 
 		case *gortsplib.TrackAAC:
 			if audioTrack != nil {
@@ -305,7 +306,8 @@ func (m *hlsMuxer) runInner(innerCtx context.Context, innerReady chan struct{})
 
 			audioTrack = tt
 			audioTrackID = i
-			aacDecoder = rtpaac.NewDecoder(track.ClockRate())
+			aacDecoder = &rtpaac.Decoder{SampleRate: track.ClockRate()}
+			aacDecoder.Init()
 		}
 	}
 
diff --git a/internal/core/hls_source.go b/internal/core/hls_source.go
index a5d612ec..2086c564 100644
--- a/internal/core/hls_source.go
+++ b/internal/core/hls_source.go
@@ -108,13 +108,18 @@ func (s *hlsSource) runInner() bool {
 
 		if videoTrack != nil {
 			videoTrackID = len(tracks)
-			videoEnc = rtph264.NewEncoder(96, nil, nil, nil)
+			videoEnc = &rtph264.Encoder{PayloadType: 96}
+			videoEnc.Init()
 			tracks = append(tracks, videoTrack)
 		}
 
 		if audioTrack != nil {
 			audioTrackID = len(tracks)
-			audioEnc = rtpaac.NewEncoder(97, audioTrack.ClockRate(), nil, nil, nil)
+			audioEnc = &rtpaac.Encoder{
+				PayloadType: 97,
+				SampleRate:  audioTrack.ClockRate(),
+			}
+			audioEnc.Init()
 			tracks = append(tracks, audioTrack)
 		}
 
diff --git a/internal/core/rtmp_conn.go b/internal/core/rtmp_conn.go
index 0744ed52..2d0fbcea 100644
--- a/internal/core/rtmp_conn.go
+++ b/internal/core/rtmp_conn.go
@@ -274,7 +274,8 @@ func (c *rtmpConn) runRead(ctx context.Context) error {
 
 			videoTrack = tt
 			videoTrackID = i
-			h264Decoder = rtph264.NewDecoder()
+			h264Decoder = &rtph264.Decoder{}
+			h264Decoder.Init()
 
 		case *gortsplib.TrackAAC:
 			if audioTrack != nil {
@@ -283,7 +284,8 @@ func (c *rtmpConn) runRead(ctx context.Context) error {
 
 			audioTrack = tt
 			audioTrackID = i
-			aacDecoder = rtpaac.NewDecoder(track.ClockRate())
+			aacDecoder = &rtpaac.Decoder{SampleRate: track.ClockRate()}
+			aacDecoder.Init()
 		}
 	}
 
@@ -447,14 +449,19 @@ func (c *rtmpConn) runPublish(ctx context.Context) error {
 
 	var h264Encoder *rtph264.Encoder
 	if videoTrack != nil {
-		h264Encoder = rtph264.NewEncoder(96, nil, nil, nil)
+		h264Encoder = &rtph264.Encoder{PayloadType: 96}
+		h264Encoder.Init()
 		videoTrackID = len(tracks)
 		tracks = append(tracks, videoTrack)
 	}
 
 	var aacEncoder *rtpaac.Encoder
 	if audioTrack != nil {
-		aacEncoder = rtpaac.NewEncoder(96, audioTrack.ClockRate(), nil, nil, nil)
+		aacEncoder = &rtpaac.Encoder{
+			PayloadType: 97,
+			SampleRate:  audioTrack.ClockRate(),
+		}
+		aacEncoder.Init()
 		audioTrackID = len(tracks)
 		tracks = append(tracks, audioTrack)
 	}
diff --git a/internal/core/rtmp_source.go b/internal/core/rtmp_source.go
index c19b79b9..c2474e4a 100644
--- a/internal/core/rtmp_source.go
+++ b/internal/core/rtmp_source.go
@@ -136,14 +136,19 @@ func (s *rtmpSource) runInner() bool {
 
 					var h264Encoder *rtph264.Encoder
 					if videoTrack != nil {
-						h264Encoder = rtph264.NewEncoder(96, nil, nil, nil)
+						h264Encoder = &rtph264.Encoder{PayloadType: 96}
+						h264Encoder.Init()
 						videoTrackID = len(tracks)
 						tracks = append(tracks, videoTrack)
 					}
 
 					var aacEncoder *rtpaac.Encoder
 					if audioTrack != nil {
-						aacEncoder = rtpaac.NewEncoder(96, audioTrack.ClockRate(), nil, nil, nil)
+						aacEncoder = &rtpaac.Encoder{
+							PayloadType: 97,
+							SampleRate:  audioTrack.ClockRate(),
+						}
+						aacEncoder.Init()
 						audioTrackID = len(tracks)
 						tracks = append(tracks, audioTrack)
 					}
diff --git a/internal/core/rtsp_source.go b/internal/core/rtsp_source.go
index 04127f96..a3c46f6d 100644
--- a/internal/core/rtsp_source.go
+++ b/internal/core/rtsp_source.go
@@ -258,7 +258,8 @@ func (s *rtspSource) handleMissingH264Params(c *gortsplib.Client, tracks gortspl
 
 	var streamMutex sync.RWMutex
 	var stream *stream
-	decoder := rtph264.NewDecoder()
+	decoder := &rtph264.Decoder{}
+	decoder.Init()
 	var sps []byte
 	var pps []byte
 	paramsReceived := make(chan struct{})
diff --git a/internal/core/rtsp_source_test.go b/internal/core/rtsp_source_test.go
index 221bfd2e..f4ea80bb 100644
--- a/internal/core/rtsp_source_test.go
+++ b/internal/core/rtsp_source_test.go
@@ -238,7 +238,8 @@ func TestRTSPSourceMissingH264Params(t *testing.T) {
 				go func() {
 					time.Sleep(500 * time.Millisecond)
 
-					enc := rtph264.NewEncoder(96, nil, nil, nil)
+					enc := &rtph264.Encoder{PayloadType: 96}
+					enc.Init()
 
 					pkts, err := enc.Encode([][]byte{{5}}, 0) // IDR
 					require.NoError(t, err)
@@ -285,7 +286,8 @@ func TestRTSPSourceMissingH264Params(t *testing.T) {
 	defer p.close()
 
 	received := make(chan struct{})
-	decoder := rtph264.NewDecoder()
+	decoder := &rtph264.Decoder{}
+	decoder.Init()
 
 	c := gortsplib.Client{
 		OnPacketRTP: func(trackID int, pkt *rtp.Packet) {