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Note that getSynchronizationSources works without sinks #2385

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merged 2 commits into from
Nov 28, 2019
Merged

Note that getSynchronizationSources works without sinks #2385

merged 2 commits into from
Nov 28, 2019

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henbos
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@henbos henbos commented Nov 28, 2019

Fixes #2240


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@@ -7197,6 +7197,10 @@ <h2>Methods</h2>
in order of ascending RTP timestamps. The user agent MUST keep information
from RTP packets delivered to the <code><a>RTCRtpReceiver</a></code>'s
<code><a>MediaStreamTrack</a></code> in the previous 10 seconds.</p>
<div class="note">Even if the <a>MediaStreamTrack</a> is not attached to
any sink for playout, <code>getSynchronizationSources</code> and
<code>getContributingSources</code> returns up-to-date information; sinks
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Would it make sense to change "returns" to "MUST return"?

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This is a note, I think we're covered by the previous "MUST" above that this note is referring to :)

@henbos henbos merged commit 4c65c69 into w3c:master Nov 28, 2019
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Clarify that getSynchronizationSources() should return information even if the track has no sink (<video> tag)
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