rtp-forwarder is a simple application that shows how to forward your webcam/microphone via RTP using Pion WebRTC.
export GO111MODULE=on go get github.com/pion/webrtc/v3/examples/rtp-forwarder
Open rtp-forwarder example page
jsfiddle.net you should see your Webcam, two text-areas and
Copy browser SDP to clipboard,
Start Session buttons
Run rtp-forwarder, with your browsers SessionDescription as stdin
In the jsfiddle the top textarea is your browser’s Session Description. Press
Copy browser SDP to clipboard or copy the base64 string manually.
We will use this value in the next step.
echo $BROWSER_SDP | rtp-forwarder
- Paste the SessionDescription into a file.
rtp-forwarder < my_file
Input rtp-forwarder’s SessionDescription into your browser
Copy the text that
rtp-forwarder just emitted and copy into second text area
Hit ‘Start Session’ in jsfiddle and enjoy your RTP forwarded stream!
You can run any of these commands at anytime. The media is live/stateless, you can switch commands without restarting Pion.
rtp-forwarder.sdp with VLC and enjoy your live video!
ffprobe -i rtp-forwarder.sdp -protocol_whitelist file,udp,rtp to get more details about your streams
ffplay -i rtp-forwarder.sdp -protocol_whitelist file,udp,rtp to play your streams
You can add
-fflags nobuffer -flags low_delay -framedrop to lower the latency. You will have worse playback in networks with jitter. Read about minimizing the delay on Stackoverflow.
ffmpeg -protocol_whitelist file,udp,rtp -i rtp-forwarder.sdp -c:v libx264 -preset veryfast -b:v 3000k -maxrate 3000k -bufsize 6000k -pix_fmt yuv420p -g 50 -c:a aac -b:a 160k -ac 2 -ar 44100 -f flv rtmp://live.twitch.tv/app/$STREAM_KEY Make sure to replace
$STREAM_KEY at the end of the URL first.