diff --git a/go.mod b/go.mod
index 4d9442d..13a2fed 100644
--- a/go.mod
+++ b/go.mod
@@ -3,7 +3,7 @@ module github.com/Monibuca/plugin-webrtc/v3
 go 1.13
 
 require (
-	github.com/Monibuca/engine/v3 v3.2.8
+	github.com/Monibuca/engine/v3 v3.3.0
 	github.com/Monibuca/utils/v3 v3.0.2
 	github.com/pion/rtcp v1.2.6
 	github.com/pion/webrtc/v3 v3.0.32
diff --git a/go.sum b/go.sum
index f750de8..f0f9142 100644
--- a/go.sum
+++ b/go.sum
@@ -4,6 +4,8 @@ github.com/Monibuca/engine/v3 v3.1.0 h1:/U1YV6dYu4nYdLUHJgDhXzbmp1/X0Vwi8xrx1Wfy
 github.com/Monibuca/engine/v3 v3.1.0/go.mod h1:yz6cssED2VlYu+g/LrxseBB9pcvsLM/o2QXa4gVY650=
 github.com/Monibuca/engine/v3 v3.2.8 h1:FbITEYfRanr30NW+7W1ue0No2kmnolND7bWZtb6+xvE=
 github.com/Monibuca/engine/v3 v3.2.8/go.mod h1:odyqD/VTQDN4qgzajsgn7kW7MWDIzTHt+j+BcI8i+4g=
+github.com/Monibuca/engine/v3 v3.3.0 h1:7zwYsLEHdeVZy6+JjVlaDhl/asr0HG6jirBL4uynj0s=
+github.com/Monibuca/engine/v3 v3.3.0/go.mod h1:odyqD/VTQDN4qgzajsgn7kW7MWDIzTHt+j+BcI8i+4g=
 github.com/Monibuca/utils/v3 v3.0.0 h1:i8qCXQPQpRPgjuXKu5C2PYiL5LYzB6GW4xE162mB2ug=
 github.com/Monibuca/utils/v3 v3.0.0/go.mod h1:RpNS95gapWs6gimwh8Xn2x72FN5tO7Powabj7dTFyvE=
 github.com/Monibuca/utils/v3 v3.0.1/go.mod h1:RpNS95gapWs6gimwh8Xn2x72FN5tO7Powabj7dTFyvE=
diff --git a/main.go b/main.go
index b0f611a..74514e8 100644
--- a/main.go
+++ b/main.go
@@ -272,12 +272,12 @@ func run() {
 				return
 			}
 			var lastTimeStampV uint32
-			sub.OnVideo = func(pack engine.VideoPack) {
+			sub.OnVideo = func(ts uint32, pack *engine.VideoPack) {
 				var s uint32 = 40
 				if lastTimeStampV > 0 {
-					s = pack.Timestamp - lastTimeStampV
+					s = ts - lastTimeStampV
 				}
-				lastTimeStampV = pack.Timestamp
+				lastTimeStampV = ts
 				if pack.IDR {
 					err = videoTrack.WriteSample(media.Sample{
 						Data: vt.ExtraData.NALUs[0],
@@ -304,7 +304,7 @@ func run() {
 							for _, pp := range p {
 								switch pp.(type) {
 								case *rtcp.PictureLossIndication:
-								
+
 									fmt.Println("PictureLossIndication")
 								}
 							}
@@ -326,12 +326,12 @@ func run() {
 				return
 			}
 			var lastTimeStampA uint32
-			sub.OnAudio = func(pack engine.AudioPack) {
+			sub.OnAudio = func(ts uint32, pack *engine.AudioPack) {
 				var s uint32
 				if lastTimeStampA > 0 {
-					s = pack.Timestamp - lastTimeStampA
+					s = ts - lastTimeStampA
 				}
-				lastTimeStampA = pack.Timestamp
+				lastTimeStampA = ts
 				audioTrack.WriteSample(media.Sample{
 					Data: pack.Raw, Duration: time.Millisecond * time.Duration(s),
 				})