- From: Philipp Hancke via GitHub <sysbot+gh@w3.org>
- Date: Thu, 14 Jan 2021 21:53:19 +0000
- To: public-webrtc-logs@w3.org
https://tools.ietf.org/html/rfc7587#section-7.1
now ofc this isn't just about being able to play stereo. Otherwise @perahgren + folks wouldn't have taken such a long time.
opus says specifically
```
o The media subtype ("opus") goes in SDP "a=rtpmap" as the encoding
name. The RTP clock rate in "a=rtpmap" MUST be 48000, and the
number of channels MUST be 2.
```
mostly because nobody wants to bother with negotiating the number of channels in SDP. Any opus decoder must be able to decode stereo, see https://tools.ietf.org/html/rfc7587#section-3.4
But I think the intention was that stereo=1 is the default.
:shipit:
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Received on Thursday, 14 January 2021 21:53:21 UTC