Set directions on channels

examples/gstreamer/main.go

@@ -6,10 +6,11 @@ import (
 
 	"bufio"
 	"encoding/base64"
+	"sync/atomic"
+
 	"github.com/pions/webrtc"
 	"github.com/pions/webrtc/examples/gstreamer/gst"
 	"github.com/pions/webrtc/pkg/rtp"
-	"sync/atomic"
 )
 
 var trackCount uint64
@@ -36,7 +37,7 @@ func startWebrtc(pipeline *gst.Pipeline) {
 
 	// Set a handler for when a new remote track starts, this handler starts a gstreamer pipeline
 	// with the first track and assumes it is VP8 video data.
-	peerConnection.Ontrack = func(mediaType webrtc.MediaType, packets chan *rtp.Packet) {
+	peerConnection.Ontrack = func(mediaType webrtc.MediaType, packets <-chan *rtp.Packet) {
 		go func() {
 			track := atomic.AddUint64(&trackCount, 1)
 			fmt.Printf("Track %d has started \n", track)
@@ -69,4 +70,4 @@ func main() {
 	p := gst.CreatePipeline()
 	go startWebrtc(p)
 	p.Start()
-}
+}