- From: Jan-Ivar Bruaroey via GitHub <sysbot+gh@w3.org>
- Date: Mon, 16 Oct 2023 19:07:02 +0000
- To: public-webrtc@w3.org
jan-ivar has just created a new issue for https://github.com/w3c/webrtc-encoded-transform:
== Spec doesn’t say what happens on reuse ==
What should happen if a transform is reused? E.g.
```js
const pc = new RTCPeerConnection();
const senderA = pc.addTransceiver("audio");
const senderB = pc.addTransceiver("video");
const transform = new RTCRtpScriptTransform(worker, {});
senderA.transform = senderB.transform = transform;
```
The spec says RTCRtpScriptTransform and RTCRtpScriptTransformer are 1←→1, so they can’t be reused without single-filing A and B processing through the single pipe, which seems undesirable.
Offline feedback from @youennf suggests single-use was intended?
That said, it might be useful to switch between transforms on the same sender, or turning transformation on/off e.g.
```js
tickmark.onclick = () => { senderA.transform = tickmark.checked? transform : null; }
```
I propose we throw if a transform was ever assigned to a different sender or receiver.
Please view or discuss this issue at https://github.com/w3c/webrtc-encoded-transform/issues/209 using your GitHub account
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Received on Monday, 16 October 2023 19:07:04 UTC