Manually selecting quality triggers: Cannot read 'timescale' of undefined

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Description

When manually selecting the quality level, videojs 7.11.0 did not throw error. But videojs 7.11.1 throw:

video.js:34267 Uncaught TypeError: Cannot read property 'timescale' of undefined
at addSegmentsToPlaylist (video.js:34267)
at updateMaster$1 (video.js:40777)
at DashPlaylistLoader.handleMaster_ (video.js:41330)
at DashPlaylistLoader.refreshMedia_ (video.js:41428)
at DashPlaylistLoader.haveMetadata (video.js:41129)
at video.js:41115
at video.js:40976

Sources

here is the mpd, generated from shaka packager

<?xml version="1.0" encoding="UTF-8"?>
<!--Generated with https://github.com/google/shaka-packager version v2.4.3-dd9870075f-release-->
<MPD xmlns="urn:mpeg:dash:schema:mpd:2011" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="urn:mpeg:dash:schema:mpd:2011 DASH-MPD.xsd" xmlns:cenc="urn:mpeg:cenc:2013" profiles="urn:mpeg:dash:profile:isoff-on-demand:2011" minBufferTime="PT2S" type="static" mediaPresentationDuration="PT63.7971305847168S">
  <Period id="0">
    <AdaptationSet id="0" contentType="audio" lang="en" subsegmentAlignment="true">
      <ContentProtection value="cbcs" schemeIdUri="urn:mpeg:dash:mp4protection:2011" cenc:default_KID="51a4e326-e816-c661-b632-2c31c604bc52"/>
      <ContentProtection schemeIdUri="urn:uuid:edef8ba9-79d6-4ace-a3c8-27dcd51d21ed">
        <cenc:pssh>AAAAgHBzc2gAAAAA7e+LqXnWSs6jyCfc1R0h7QAAAGASEFGk4yboFsZhtjIsMcYEvFISEFGk4yboFsZhtjIsMcYEvFISEFGk4yboFsZhtjIsMcYEvFISEFGk4yboFsZhtjIsMcYEvFISEFGk4yboFsZhtjIsMcYEvFJI88aJmwY=</cenc:pssh>
      </ContentProtection>
      <Representation id="0" bandwidth="135733" codecs="mp4a.40.2" mimeType="audio/mp4" audioSamplingRate="48000">
        <AudioChannelConfiguration schemeIdUri="urn:mpeg:dash:23003:3:audio_channel_configuration:2011" value="2"/>
        <BaseURL>a_AUDIO_128k_AAC_COM1102-zmhg2.mp4</BaseURL>
        <SegmentBase indexRange="1050-1213" timescale="48000">
          <Initialization range="0-1049"/>
        </SegmentBase>
      </Representation>
    </AdaptationSet>


    <AdaptationSet id="2" contentType="video" maxWidth="1920" maxHeight="1080" frameRate="11988/400" par="16:9">
      <ContentProtection value="cbcs" schemeIdUri="urn:mpeg:dash:mp4protection:2011" cenc:default_KID="51a4e326-e816-c661-b632-2c31c604bc52"/>
      <ContentProtection schemeIdUri="urn:uuid:edef8ba9-79d6-4ace-a3c8-27dcd51d21ed">
        <cenc:pssh>AAAAgHBzc2gAAAAA7e+LqXnWSs6jyCfc1R0h7QAAAGASEFGk4yboFsZhtjIsMcYEvFISEFGk4yboFsZhtjIsMcYEvFISEFGk4yboFsZhtjIsMcYEvFISEFGk4yboFsZhtjIsMcYEvFISEFGk4yboFsZhtjIsMcYEvFJI88aJmwY=</cenc:pssh>
      </ContentProtection>
      <Representation id="4" bandwidth="439278" codecs="avc1.42c01e" mimeType="video/mp4" sar="640:639" width="426" height="240">
        <BaseURL>v_SD_240p_H264_COM1102-zmhg2.mp4</BaseURL>
        <SegmentBase indexRange="1071-1234" timescale="11988">
          <Initialization range="0-1070"/>
        </SegmentBase>
      </Representation>
      <Representation id="8" bandwidth="1073434" codecs="avc1.4d401f" mimeType="video/mp4" sar="160:159" width="848" height="480">
        <BaseURL>v_SD_480p_H264_COM1102-zmhg2.mp4</BaseURL>
        <SegmentBase indexRange="1106-1269" timescale="11988">
          <Initialization range="0-1105"/>
        </SegmentBase>
      </Representation>
      <Representation id="10" bandwidth="2104278" codecs="avc1.4d401f" mimeType="video/mp4" sar="1:1" width="1280" height="720">
        <BaseURL>v_HD_720p_H264_COM1102-zmhg2.mp4</BaseURL>
        <SegmentBase indexRange="1088-1251" timescale="11988">
          <Initialization range="0-1087"/>
        </SegmentBase>
      </Representation>
      <Representation id="11" bandwidth="822806" codecs="avc1.42c01e" mimeType="video/mp4" sar="1:1" width="640" height="360">
        <BaseURL>v_SD_360p_H264_COM1102-zmhg2.mp4</BaseURL>
        <SegmentBase indexRange="1052-1215" timescale="11988">
          <Initialization range="0-1051"/>
        </SegmentBase>
      </Representation>
      <Representation id="12" bandwidth="4084050" codecs="avc1.640028" mimeType="video/mp4" sar="1:1" width="1920" height="1080">
        <BaseURL>v_HD_1080p_H264_COM1102-zmhg2.mp4</BaseURL>
        <SegmentBase indexRange="1091-1254" timescale="11988">
          <Initialization range="0-1090"/>
        </SegmentBase>
      </Representation>
    </AdaptationSet>
  </Period>
</MPD>

ACTUAL WORKING DEMO CODEPEN AVAILABLE UPON REQUEST (not posted here due to eme)

Steps to reproduce

Explain in detail the exact steps necessary to reproduce the issue.

player = videojs('coursevideo', {controls:true,plugins:{eme:{}, qualityLevels:{}, httpSourceSelector:{}}});
    player.src([{
     "src": "video.mpd",
     "type": "application/dash+xml",
     "keySystems": {
      "com.widevine.alpha": {
       "url": "https://contentlicense.server",
      }
     }
    }])

After setting up a video as above, just manually select a quality.

Results

The timescale error shows in js console, the first time selecting a quality

Expected

7.11.0 and below don't throw error.

Error output

video.js:34267 Uncaught TypeError: Cannot read property 'timescale' of undefined
at addSegmentsToPlaylist (video.js:34267)
at updateMaster$1 (video.js:40777)
at DashPlaylistLoader.handleMaster_ (video.js:41330)
at DashPlaylistLoader.refreshMedia_ (video.js:41428)
at DashPlaylistLoader.haveMetadata (video.js:41129)
at video.js:41115
at video.js:40976

Additional Information

vjs 7.11.0 and below do not have this issue. it seems 7.11.1 updated http-streaming to 2.4

videojs-http-streaming version

videojs-http-streaming 2.4.1

videojs version

what version of videojs does this occur with?
video.js7.11.1+

Browsers

chrome/Edge

Platforms

Windows

Other Plugins

are any other videojs plugins being used on the page? If so, please list them with version below.
eme
quality-levels
http-source-selector

Other JavaScript

none

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