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Re: [webrtc-pc] "a=msid" line should contain sender/receiver IDs, not track IDs

From: Iñaki Baz Castillo via GitHub <sysbot+gh@w3.org>
Date: Fri, 05 Jan 2018 00:19:14 +0000
To: public-webrtc-logs@w3.org
Message-ID: <issue_comment.created-355437732-1515111553-sysbot+gh@w3.org>
Related question:

Why does the [ontrack](https://w3c.github.io/webrtc-pc/#dom-rtctrackevent) event come with a `streams` field (`FrozenArray<MediaStream>`)?

> The `streams` attribute returns an array of MediaStream objects representing the MediaStreams that this event's `track` is a part of.

If the sender and receive `tracks` are decoupled then there is no chance for "duplicated" receiving `tracks`, so it's impossible that the same `track` belongs to more than one `stream`.

In the other side, I don't understand why we need the `msid` at all. Having a `stream` id within the transceiver is useful to group tracks into a stream. But we don't need the "more track id" at all...

GitHub Notification of comment by ibc
Please view or discuss this issue at https://github.com/w3c/webrtc-pc/issues/1718#issuecomment-355437732 using your GitHub account
Received on Friday, 5 January 2018 00:19:22 UTC

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