pion-to-pion-media.patch

diff --git a/examples/pion-to-pion/answer/main.go b/examples/pion-to-pion/answer/main.go
index 81ad7c8..019acbb 100644
--- a/examples/pion-to-pion/answer/main.go
+++ b/examples/pion-to-pion/answer/main.go
@@ -53,6 +53,10 @@ func main() { // nolint:gocognit
 		panic(err)
 	}
 
+	peerConnection.OnTrack(func(track *webrtc.TrackRemote, receiver *webrtc.RTPReceiver) {
+		fmt.Printf("Track %s has started, of type %d: %s \n", track.ID(), track.PayloadType(), track.Codec().MimeType)
+	})
+
 	// When an ICE candidate is available send to the other Pion instance
 	// the other Pion instance will add this candidate by calling AddICECandidate
 	peerConnection.OnICECandidate(func(c *webrtc.ICECandidate) {
diff --git a/examples/pion-to-pion/offer/main.go b/examples/pion-to-pion/offer/main.go
index c3c1112..8838519 100644
--- a/examples/pion-to-pion/offer/main.go
+++ b/examples/pion-to-pion/offer/main.go
@@ -12,6 +12,7 @@ import (
 
 	"github.com/pion/webrtc/v3"
 	"github.com/pion/webrtc/v3/examples/internal/signal"
+	"github.com/pion/webrtc/v3/pkg/media"
 )
 
 func signalCandidate(addr string, c *webrtc.ICECandidate) error {
@@ -53,6 +54,33 @@ func main() { //nolint:gocognit
 		panic(err)
 	}
 
+	firstTrack, err := webrtc.NewTrackLocalStaticSample(webrtc.RTPCodecCapability{MimeType: "video/vp8"}, "video1", "pion")
+	if err != nil {
+		panic(err)
+	}
+
+	if _, err := peerConnection.AddTrack(firstTrack); err != nil {
+		panic(err)
+	}
+
+	secondTrack, err := webrtc.NewTrackLocalStaticSample(webrtc.RTPCodecCapability{MimeType: "video/vp8"}, "video2", "pion")
+	if err != nil {
+		panic(err)
+	}
+
+	if _, err := peerConnection.AddTrack(secondTrack); err != nil {
+		panic(err)
+	}
+
+	go func() {
+		for {
+			_ = firstTrack.WriteSample(media.Sample{Data: []byte{0x0, 0x1, 0x2, 0x3}, Duration: time.Second})
+			_ = secondTrack.WriteSample(media.Sample{Data: []byte{0x0, 0x1, 0x2, 0x3}, Duration: time.Second})
+
+			time.Sleep(time.Millisecond * 200)
+		}
+	}()
+
 	// When an ICE candidate is available send to the other Pion instance
 	// the other Pion instance will add this candidate by calling AddICECandidate
 	peerConnection.OnICECandidate(func(c *webrtc.ICECandidate) {