Degrade to H.264 with more than 15 concurrent video sender (#3068)

Author: shi-su

CHANGELOG.md

@@ -8,6 +8,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ## [3.28.0] - 2025-02-13
 
 ### Added
+- Degrade video codec from VP9/AV1 when there are more than 15 video senders
 
 ### Removed
 

docs/assets/js/search.js

@@ -80,6 +80,9 @@ <h3>Hierarchy</h3>
 							<li>
 								<a href="unusableaudiowarningconnectionhealthpolicy.html" class="tsd-signature-type" data-tsd-kind="Class">UnusableAudioWarningConnectionHealthPolicy</a>
 							</li>
+							<li>
+								<a href="videoencodingconcurrentsendershealthpolicy.html" class="tsd-signature-type" data-tsd-kind="Class">VideoEncodingConcurrentSendersHealthPolicy</a>
+							</li>
 							<li>
 								<a href="videoencodingcpuconnectionhealthpolicy.html" class="tsd-signature-type" data-tsd-kind="Class">VideoEncodingCpuConnectionHealthPolicy</a>
 							</li>

docs/classes/baseconnectionhealthpolicy.html

@@ -267,7 +267,7 @@ <h3>handle<wbr>Signaling<wbr>Client<wbr>Event</h3>
 							<aside class="tsd-sources">
 								<p>Implementation of <a href="../interfaces/signalingclientobserver.html">SignalingClientObserver</a>.<a href="../interfaces/signalingclientobserver.html#handlesignalingclientevent">handleSignalingClientEvent</a></p>
 								<ul>
-									<li>Defined in <a href="https://github.com/aws/amazon-chime-sdk-js/blob/main/src/task/MonitorTask.ts#L328">src/task/MonitorTask.ts:328</a></li>
+									<li>Defined in <a href="https://github.com/aws/amazon-chime-sdk-js/blob/main/src/task/MonitorTask.ts#L331">src/task/MonitorTask.ts:331</a></li>
 								</ul>
 							</aside>
 							<div class="tsd-comment tsd-typography">

docs/classes/connectionhealthdata.html

@@ -378,7 +378,7 @@ <h3>audio<wbr>Input<wbr>Did<wbr>Change</h3>
 							<aside class="tsd-sources">
 								<p>Inherited from <a href="defaultaudiovideocontroller.html">DefaultAudioVideoController</a>.<a href="defaultaudiovideocontroller.html#audioinputdidchange">audioInputDidChange</a></p>
 								<ul>
-									<li>Defined in <a href="https://github.com/aws/amazon-chime-sdk-js/blob/main/src/audiovideocontroller/DefaultAudioVideoController.ts#L1702">src/audiovideocontroller/DefaultAudioVideoController.ts:1702</a></li>
+									<li>Defined in <a href="https://github.com/aws/amazon-chime-sdk-js/blob/main/src/audiovideocontroller/DefaultAudioVideoController.ts#L1720">src/audiovideocontroller/DefaultAudioVideoController.ts:1720</a></li>
 								</ul>
 							</aside>
 							<div class="tsd-comment tsd-typography">
@@ -457,7 +457,7 @@ <h3>encoding<wbr>Simulcast<wbr>Layers<wbr>Did<wbr>Change</h3>
 							<aside class="tsd-sources">
 								<p>Inherited from <a href="defaultaudiovideocontroller.html">DefaultAudioVideoController</a>.<a href="defaultaudiovideocontroller.html#encodingsimulcastlayersdidchange">encodingSimulcastLayersDidChange</a></p>
 								<ul>
-									<li>Defined in <a href="https://github.com/aws/amazon-chime-sdk-js/blob/main/src/audiovideocontroller/DefaultAudioVideoController.ts#L1641">src/audiovideocontroller/DefaultAudioVideoController.ts:1641</a></li>
+									<li>Defined in <a href="https://github.com/aws/amazon-chime-sdk-js/blob/main/src/audiovideocontroller/DefaultAudioVideoController.ts#L1659">src/audiovideocontroller/DefaultAudioVideoController.ts:1659</a></li>
 								</ul>
 							</aside>
 							<div class="tsd-comment tsd-typography">
@@ -566,7 +566,7 @@ <h3>get<wbr>Remote<wbr>Video<wbr>Sources</h3>
 							<aside class="tsd-sources">
 								<p>Inherited from <a href="defaultaudiovideocontroller.html">DefaultAudioVideoController</a>.<a href="defaultaudiovideocontroller.html#getremotevideosources">getRemoteVideoSources</a></p>
 								<ul>
-									<li>Defined in <a href="https://github.com/aws/amazon-chime-sdk-js/blob/main/src/audiovideocontroller/DefaultAudioVideoController.ts#L1631">src/audiovideocontroller/DefaultAudioVideoController.ts:1631</a></li>
+									<li>Defined in <a href="https://github.com/aws/amazon-chime-sdk-js/blob/main/src/audiovideocontroller/DefaultAudioVideoController.ts#L1649">src/audiovideocontroller/DefaultAudioVideoController.ts:1649</a></li>
 								</ul>
 							</aside>
 							<div class="tsd-comment tsd-typography">
@@ -589,7 +589,7 @@ <h3>handle<wbr>Has<wbr>Bandwidth<wbr>Priority</h3>
 							<aside class="tsd-sources">
 								<p>Inherited from <a href="defaultaudiovideocontroller.html">DefaultAudioVideoController</a>.<a href="defaultaudiovideocontroller.html#handlehasbandwidthpriority">handleHasBandwidthPriority</a></p>
 								<ul>
-									<li>Defined in <a href="https://github.com/aws/amazon-chime-sdk-js/blob/main/src/audiovideocontroller/DefaultAudioVideoController.ts#L1582">src/audiovideocontroller/DefaultAudioVideoController.ts:1582</a></li>
+									<li>Defined in <a href="https://github.com/aws/amazon-chime-sdk-js/blob/main/src/audiovideocontroller/DefaultAudioVideoController.ts#L1600">src/audiovideocontroller/DefaultAudioVideoController.ts:1600</a></li>
 								</ul>
 							</aside>
 							<h4 class="tsd-parameters-title">Parameters</h4>
@@ -613,7 +613,7 @@ <h3>handle<wbr>Meeting<wbr>Session<wbr>Status</h3>
 							<aside class="tsd-sources">
 								<p>Inherited from <a href="defaultaudiovideocontroller.html">DefaultAudioVideoController</a>.<a href="defaultaudiovideocontroller.html#handlemeetingsessionstatus">handleMeetingSessionStatus</a></p>
 								<ul>
-									<li>Defined in <a href="https://github.com/aws/amazon-chime-sdk-js/blob/main/src/audiovideocontroller/DefaultAudioVideoController.ts#L1511">src/audiovideocontroller/DefaultAudioVideoController.ts:1511</a></li>
+									<li>Defined in <a href="https://github.com/aws/amazon-chime-sdk-js/blob/main/src/audiovideocontroller/DefaultAudioVideoController.ts#L1529">src/audiovideocontroller/DefaultAudioVideoController.ts:1529</a></li>
 								</ul>
 							</aside>
 							<div class="tsd-comment tsd-typography">
@@ -645,7 +645,7 @@ <h3>pause<wbr>Receiving<wbr>Stream</h3>
 							<aside class="tsd-sources">
 								<p>Inherited from <a href="defaultaudiovideocontroller.html">DefaultAudioVideoController</a>.<a href="defaultaudiovideocontroller.html#pausereceivingstream">pauseReceivingStream</a></p>
 								<ul>
-									<li>Defined in <a href="https://github.com/aws/amazon-chime-sdk-js/blob/main/src/audiovideocontroller/DefaultAudioVideoController.ts#L1611">src/audiovideocontroller/DefaultAudioVideoController.ts:1611</a></li>
+									<li>Defined in <a href="https://github.com/aws/amazon-chime-sdk-js/blob/main/src/audiovideocontroller/DefaultAudioVideoController.ts#L1629">src/audiovideocontroller/DefaultAudioVideoController.ts:1629</a></li>
 								</ul>
 							</aside>
 							<div class="tsd-comment tsd-typography">
@@ -730,7 +730,7 @@ <h3>reconnect</h3>
 							<aside class="tsd-sources">
 								<p>Inherited from <a href="defaultaudiovideocontroller.html">DefaultAudioVideoController</a>.<a href="defaultaudiovideocontroller.html#reconnect">reconnect</a></p>
 								<ul>
-									<li>Defined in <a href="https://github.com/aws/amazon-chime-sdk-js/blob/main/src/audiovideocontroller/DefaultAudioVideoController.ts#L1359">src/audiovideocontroller/DefaultAudioVideoController.ts:1359</a></li>
+									<li>Defined in <a href="https://github.com/aws/amazon-chime-sdk-js/blob/main/src/audiovideocontroller/DefaultAudioVideoController.ts#L1377">src/audiovideocontroller/DefaultAudioVideoController.ts:1377</a></li>
 								</ul>
 							</aside>
 							<div class="tsd-comment tsd-typography">
@@ -786,7 +786,7 @@ <h3>replace<wbr>Local<wbr>Audio</h3>
 							<aside class="tsd-sources">
 								<p>Inherited from <a href="defaultaudiovideocontroller.html">DefaultAudioVideoController</a>.<a href="defaultaudiovideocontroller.html#replacelocalaudio">replaceLocalAudio</a></p>
 								<ul>
-									<li>Defined in <a href="https://github.com/aws/amazon-chime-sdk-js/blob/main/src/audiovideocontroller/DefaultAudioVideoController.ts#L1237">src/audiovideocontroller/DefaultAudioVideoController.ts:1237</a></li>
+									<li>Defined in <a href="https://github.com/aws/amazon-chime-sdk-js/blob/main/src/audiovideocontroller/DefaultAudioVideoController.ts#L1255">src/audiovideocontroller/DefaultAudioVideoController.ts:1255</a></li>
 								</ul>
 							</aside>
 							<div class="tsd-comment tsd-typography">
@@ -816,7 +816,7 @@ <h3>replace<wbr>Local<wbr>Video</h3>
 							<aside class="tsd-sources">
 								<p>Inherited from <a href="defaultaudiovideocontroller.html">DefaultAudioVideoController</a>.<a href="defaultaudiovideocontroller.html#replacelocalvideo">replaceLocalVideo</a></p>
 								<ul>
-									<li>Defined in <a href="https://github.com/aws/amazon-chime-sdk-js/blob/main/src/audiovideocontroller/DefaultAudioVideoController.ts#L1202">src/audiovideocontroller/DefaultAudioVideoController.ts:1202</a></li>
+									<li>Defined in <a href="https://github.com/aws/amazon-chime-sdk-js/blob/main/src/audiovideocontroller/DefaultAudioVideoController.ts#L1220">src/audiovideocontroller/DefaultAudioVideoController.ts:1220</a></li>
 								</ul>
 							</aside>
 							<div class="tsd-comment tsd-typography">
@@ -847,7 +847,7 @@ <h3>restart<wbr>Local<wbr>Video</h3>
 							<aside class="tsd-sources">
 								<p>Inherited from <a href="defaultaudiovideocontroller.html">DefaultAudioVideoController</a>.<a href="defaultaudiovideocontroller.html#restartlocalvideo">restartLocalVideo</a></p>
 								<ul>
-									<li>Defined in <a href="https://github.com/aws/amazon-chime-sdk-js/blob/main/src/audiovideocontroller/DefaultAudioVideoController.ts#L1179">src/audiovideocontroller/DefaultAudioVideoController.ts:1179</a></li>
+									<li>Defined in <a href="https://github.com/aws/amazon-chime-sdk-js/blob/main/src/audiovideocontroller/DefaultAudioVideoController.ts#L1197">src/audiovideocontroller/DefaultAudioVideoController.ts:1197</a></li>
 								</ul>
 							</aside>
 							<div class="tsd-comment tsd-typography">
@@ -889,7 +889,7 @@ <h3>resume<wbr>Receiving<wbr>Stream</h3>
 							<aside class="tsd-sources">
 								<p>Inherited from <a href="defaultaudiovideocontroller.html">DefaultAudioVideoController</a>.<a href="defaultaudiovideocontroller.html#resumereceivingstream">resumeReceivingStream</a></p>
 								<ul>
-									<li>Defined in <a href="https://github.com/aws/amazon-chime-sdk-js/blob/main/src/audiovideocontroller/DefaultAudioVideoController.ts#L1617">src/audiovideocontroller/DefaultAudioVideoController.ts:1617</a></li>
+									<li>Defined in <a href="https://github.com/aws/amazon-chime-sdk-js/blob/main/src/audiovideocontroller/DefaultAudioVideoController.ts#L1635">src/audiovideocontroller/DefaultAudioVideoController.ts:1635</a></li>
 								</ul>
 							</aside>
 							<div class="tsd-comment tsd-typography">
@@ -948,7 +948,7 @@ <h3>set<wbr>Video<wbr>Codec<wbr>Send<wbr>Preferences</h3>
 							<aside class="tsd-sources">
 								<p>Inherited from <a href="defaultaudiovideocontroller.html">DefaultAudioVideoController</a>.<a href="defaultaudiovideocontroller.html#setvideocodecsendpreferences">setVideoCodecSendPreferences</a></p>
 								<ul>
-									<li>Defined in <a href="https://github.com/aws/amazon-chime-sdk-js/blob/main/src/audiovideocontroller/DefaultAudioVideoController.ts#L1623">src/audiovideocontroller/DefaultAudioVideoController.ts:1623</a></li>
+									<li>Defined in <a href="https://github.com/aws/amazon-chime-sdk-js/blob/main/src/audiovideocontroller/DefaultAudioVideoController.ts#L1641">src/audiovideocontroller/DefaultAudioVideoController.ts:1641</a></li>
 								</ul>
 							</aside>
 							<div class="tsd-comment tsd-typography">
@@ -988,7 +988,7 @@ <h3>set<wbr>Video<wbr>Max<wbr>Bandwidth<wbr>Kbps</h3>
 							<aside class="tsd-sources">
 								<p>Inherited from <a href="defaultaudiovideocontroller.html">DefaultAudioVideoController</a>.<a href="defaultaudiovideocontroller.html#setvideomaxbandwidthkbps">setVideoMaxBandwidthKbps</a></p>
 								<ul>
-									<li>Defined in <a href="https://github.com/aws/amazon-chime-sdk-js/blob/main/src/audiovideocontroller/DefaultAudioVideoController.ts#L1567">src/audiovideocontroller/DefaultAudioVideoController.ts:1567</a></li>
+									<li>Defined in <a href="https://github.com/aws/amazon-chime-sdk-js/blob/main/src/audiovideocontroller/DefaultAudioVideoController.ts#L1585">src/audiovideocontroller/DefaultAudioVideoController.ts:1585</a></li>
 								</ul>
 							</aside>
 							<div class="tsd-comment tsd-typography">
@@ -1095,7 +1095,7 @@ <h3>stop<wbr>Returning<wbr>Promise</h3>
 							<aside class="tsd-sources">
 								<p>Inherited from <a href="defaultaudiovideocontroller.html">DefaultAudioVideoController</a>.<a href="defaultaudiovideocontroller.html#stopreturningpromise">stopReturningPromise</a></p>
 								<ul>
-									<li>Defined in <a href="https://github.com/aws/amazon-chime-sdk-js/blob/main/src/audiovideocontroller/DefaultAudioVideoController.ts#L758">src/audiovideocontroller/DefaultAudioVideoController.ts:758</a></li>
+									<li>Defined in <a href="https://github.com/aws/amazon-chime-sdk-js/blob/main/src/audiovideocontroller/DefaultAudioVideoController.ts#L762">src/audiovideocontroller/DefaultAudioVideoController.ts:762</a></li>
 								</ul>
 							</aside>
 							<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">void</span><span class="tsd-signature-symbol">&gt;</span></h4>
@@ -1113,7 +1113,7 @@ <h3>update</h3>
 							<aside class="tsd-sources">
 								<p>Inherited from <a href="defaultaudiovideocontroller.html">DefaultAudioVideoController</a>.<a href="defaultaudiovideocontroller.html#update">update</a></p>
 								<ul>
-									<li>Defined in <a href="https://github.com/aws/amazon-chime-sdk-js/blob/main/src/audiovideocontroller/DefaultAudioVideoController.ts#L838">src/audiovideocontroller/DefaultAudioVideoController.ts:838</a></li>
+									<li>Defined in <a href="https://github.com/aws/amazon-chime-sdk-js/blob/main/src/audiovideocontroller/DefaultAudioVideoController.ts#L842">src/audiovideocontroller/DefaultAudioVideoController.ts:842</a></li>
 								</ul>
 							</aside>
 							<div class="tsd-comment tsd-typography">
@@ -1148,7 +1148,7 @@ <h3>update<wbr>Local<wbr>Video<wbr>From<wbr>Policy</h3>
 							<aside class="tsd-sources">
 								<p>Inherited from <a href="defaultaudiovideocontroller.html">DefaultAudioVideoController</a>.<a href="defaultaudiovideocontroller.html#updatelocalvideofrompolicy">updateLocalVideoFromPolicy</a></p>
 								<ul>
-									<li>Defined in <a href="https://github.com/aws/amazon-chime-sdk-js/blob/main/src/audiovideocontroller/DefaultAudioVideoController.ts#L1139">src/audiovideocontroller/DefaultAudioVideoController.ts:1139</a></li>
+									<li>Defined in <a href="https://github.com/aws/amazon-chime-sdk-js/blob/main/src/audiovideocontroller/DefaultAudioVideoController.ts#L1157">src/audiovideocontroller/DefaultAudioVideoController.ts:1157</a></li>
 								</ul>
 							</aside>
 							<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">boolean</span></h4>
@@ -1166,7 +1166,7 @@ <h3>video<wbr>Input<wbr>Did<wbr>Change</h3>
 							<aside class="tsd-sources">
 								<p>Inherited from <a href="defaultaudiovideocontroller.html">DefaultAudioVideoController</a>.<a href="defaultaudiovideocontroller.html#videoinputdidchange">videoInputDidChange</a></p>
 								<ul>
-									<li>Defined in <a href="https://github.com/aws/amazon-chime-sdk-js/blob/main/src/audiovideocontroller/DefaultAudioVideoController.ts#L1684">src/audiovideocontroller/DefaultAudioVideoController.ts:1684</a></li>
+									<li>Defined in <a href="https://github.com/aws/amazon-chime-sdk-js/blob/main/src/audiovideocontroller/DefaultAudioVideoController.ts#L1702">src/audiovideocontroller/DefaultAudioVideoController.ts:1702</a></li>
 								</ul>
 							</aside>
 							<div class="tsd-comment tsd-typography">