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34 lines
1.4 KiB
Markdown
34 lines
1.4 KiB
Markdown
# simulcast
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demonstrates of how to handle incoming track with multiple simulcast rtp streams and show all them back.
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The browser will not send higher quality streams unless it has the available bandwidth. You can look at
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the bandwidth estimation in `chrome://webrtc-internals`. It is under `VideoBwe` when `Read Stats From: Legacy non-Standard`
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is selected.
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## Instructions
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### Download simulcast
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```
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go install github.com/pion/webrtc/v4/examples/simulcast@latest
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```
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### Open simulcast example page
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[jsfiddle.net](https://jsfiddle.net/tz4d5bhj/) you should see two text-areas and two buttons: `Copy browser SDP to clipboard`, `Start Session`.
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### Run simulcast, with your browsers SessionDescription as stdin
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In the jsfiddle the top textarea is your browser's Session Description. Press `Copy browser SDP to clipboard` or copy the base64 string manually.
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We will use this value in the next step.
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#### Linux/macOS
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Run `echo $BROWSER_SDP | simulcast`
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#### Windows
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1. Paste the SessionDescription into a file.
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1. Run `simulcast < my_file`
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### Input simulcast's SessionDescription into your browser
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Copy the text that `simulcast` just emitted and copy into second text area
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### Hit 'Start Session' in jsfiddle, enjoy your video!
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Your browser should send a simulcast track to Pion, and then all 3 incoming streams will be relayed back.
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Congrats, you have used Pion WebRTC! Now start building something cool
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