Files
webrtc/examples/gstreamer-send-offer/main.go
2019-01-08 13:43:49 -08:00

72 lines
2.0 KiB
Go

package main
import (
"fmt"
"github.com/pions/webrtc"
"github.com/pions/webrtc/examples/util"
gst "github.com/pions/webrtc/examples/util/gstreamer-src"
"github.com/pions/webrtc/pkg/ice"
)
func main() {
// Everything below is the pion-WebRTC API! Thanks for using it ❤️.
// Setup the codecs you want to use.
// We'll use the default ones but you can also define your own
webrtc.RegisterDefaultCodecs()
// Prepare the configuration
config := webrtc.RTCConfiguration{
IceServers: []webrtc.RTCIceServer{
{
URLs: []string{"stun:stun.l.google.com:19302"},
},
},
}
// Create a new RTCPeerConnection
peerConnection, err := webrtc.New(config)
util.Check(err)
// Set the handler for ICE connection state
// This will notify you when the peer has connected/disconnected
peerConnection.OnICEConnectionStateChange(func(connectionState ice.ConnectionState) {
fmt.Printf("Connection State has changed %s \n", connectionState.String())
})
// Create a audio track
opusTrack, err := peerConnection.NewRTCSampleTrack(webrtc.DefaultPayloadTypeOpus, "audio", "pion1")
util.Check(err)
_, err = peerConnection.AddTrack(opusTrack)
util.Check(err)
// Create a video track
vp8Track, err := peerConnection.NewRTCSampleTrack(webrtc.DefaultPayloadTypeVP8, "video", "pion2")
util.Check(err)
_, err = peerConnection.AddTrack(vp8Track)
util.Check(err)
// Create an offer to send to the browser
offer, err := peerConnection.CreateOffer(nil)
util.Check(err)
// Output the offer in base64 so we can paste it in browser
fmt.Println(util.Encode(offer))
// Wait for the answer to be pasted
answer := webrtc.RTCSessionDescription{}
util.Decode(util.MustReadStdin(), &answer)
// Set the remote SessionDescription
err = peerConnection.SetRemoteDescription(answer)
util.Check(err)
// Start pushing buffers on these tracks
gst.CreatePipeline(webrtc.Opus, opusTrack.Samples, "audiotestsrc").Start()
gst.CreatePipeline(webrtc.VP8, vp8Track.Samples, "videotestsrc").Start()
// Block forever
select {}
}