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Make audioLevel and voiceActivityFlag optional and non-nullable. #1733

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Jan 18, 2018
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Make audioLevel and voiceActivityFlag optional and non-nullable. #1733

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16 changes: 8 additions & 8 deletions webrtc.html
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Original file line number Diff line number Diff line change
Expand Up @@ -6703,7 +6703,7 @@ <h2>Methods</h2>
<pre class="idl">dictionary RTCRtpContributingSource {
required DOMHighResTimeStamp timestamp;
required unsigned long source;
required byte? audioLevel;
byte audioLevel;
};</pre>
<section>
<h2>Dictionary RTCRtpContributingSource Members</h2>
Expand All @@ -6724,15 +6724,15 @@ <h2>Dictionary RTCRtpContributingSource Members</h2>
synchronization source.</p>
</dd>
<dt><dfn><code>audioLevel</code></dfn> of type <span class=
"idlMemberType"><a>byte</a></span>, required, nullable</dt>
"idlMemberType"><a>byte</a></span></dt>
<dd>
<p>The audio level contained in the last RTP packet played from
this source. For CSRCs, <code>audioLevel</code> must be the level
value defined in [[!RFC6465]] if the RFC 6465 header extension is
present, otherwise <code>null</code>. For SSRCs, it must be the
level value defined in [[!RFC6464]] if the RFC 6464 header
present, otherwise this member must be absent. For SSRCs, it must
be the level value defined in [[!RFC6464]] if the RFC 6464 header
extension is present, otherwise a browser computed value as if it
had come from RFC 6464 (never <code>null</code>).</p>
had come from RFC 6464 (never absent).</p>
<p>Both RFCs define the level as an integral value from 0 to 127
representing the audio level in negative decibels relative to the
loudest signal that the system could possibly encode. Thus,
Expand All @@ -6744,21 +6744,21 @@ <h2>Dictionary RTCRtpContributingSource Members</h2>
</div>
<div>
<pre class="idl">dictionary RTCRtpSynchronizationSource : RTCRtpContributingSource {
required boolean? voiceActivityFlag;
boolean voiceActivityFlag;
};</pre>
<section>
<h2>Dictionary RTCRtpSynchronizationSource Members</h2>
<dl data-link-for="RTCRtpSynchronizationSource" data-dfn-for=
"RTCRtpSynchronizationSource" class="dictionary-members">
<dt><dfn><code>voiceActivityFlag</code></dfn> of type <span class=
"idlMemberType"><a>boolean</a></span>, required, nullable</dt>
"idlMemberType"><a>boolean</a></span></dt>
<dd>
<p>Whether the last RTP packet played from this source contains
voice activity (true) or not (false). If the RFC 6464 extension
header was not present, or if the peer has signaled that it is
not using the V bit by setting the "vad" extension attribute to
"off", as described in [[!RFC6464]], Section 4,
<code>voiceActivityFlag</code> will be <code>null</code>.</p>
<code>voiceActivityFlag</code> will be absent.</p>
</dd>
</dl>
</section>
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