Fails to jump gaps

[bbert]

Environment

• The MPD passes the DASH-IF Conformance Tool on https://conformance.dashif.org/
• [] The stream has correct Access-Control-Allow-Origin headers (CORS)
• [] There are no network errors such as 404s in the browser console when trying to play the stream
• [] The issue observed is not mentioned on https://github.com/Dash-Industry-Forum/dash.js/wiki/FAQ
• [] The issue occurs in the latest reference client on http://reference.dashif.org/dash.js/ and not just on my page

• Link to playable MPD file: see attached file
• Dash.js version: 4.5.0 / development
• Browser name/version:
• OS name/version:

Steps to reproduce

1. Load provided manifest, which consist in a DASH manifest with SegmentTimeline, presentationTimeOffset and misaligned audio and video timelines

Observed behavior

The player fails to jump gap in audio stream at start of period, i.e. it fails to seek at 1st audio segment which start time is greater than 1st video segment's start time

This issue has been introduced in PR #3928

Console output

Expected behavior

The player shall seek at 1st audio segment start time

[bbert]

Manifest sample:
<?xml version="1.0" encoding="UTF-8" ?> <MPD profiles="urn:mpeg:dash:profile:isoff-live:2011" type="static" mediaPresentationDuration="PT2H50M0.0053334S" minBufferTime="PT8.0S" xmlns="urn:mpeg:dash:schema:mpd:2011" xmlns:cenc="urn:mpeg:cenc:2013" xmlns:mspr="urn:microsoft:playready" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="urn:mpeg:dash:schema:mpd:2011 DASH-MPD.xsd"> <Period> <AdaptationSet mimeType="video/mp4" startWithSAP="1" segmentAlignment="true" par="16:9"> <ContentProtection schemeIdUri="urn:mpeg:dash:mp4protection:2011" value="cenc"></ContentProtection> <ContentProtection schemeIdUri="urn:uuid:9a04f079-9840-4286-ab92-e65be0885f95"><mspr:pro xmlns:mspr="urn:microsoft:playready">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</mspr:pro></ContentProtection> <ContentProtection schemeIdUri="urn:uuid:edef8ba9-79d6-4ace-a3c8-27dcd51d21ed"></ContentProtection> <SegmentTemplate timescale="10000000" presentationTimeOffset="3661542014196680" media="$RepresentationID$/Segment-$Time$.m4v" initialization="$RepresentationID$/init.m4i"> <SegmentTimeline> <S t="3661542014196680" d="80000000" r="1274" /> </SegmentTimeline> </SegmentTemplate> <Representation width="480" height="270" frameRate="25" codecs="avc3.4d4015" scanType="progressive" sar="1:1" id="stream_0" bandwidth="300000" /> <Representation width="640" height="360" frameRate="25" codecs="avc3.4d401e" scanType="progressive" sar="1:1" id="stream_1" bandwidth="680000" /> <Representation width="1280" height="720" frameRate="50" codecs="avc3.4d4020" scanType="progressive" sar="1:1" id="stream_2" bandwidth="1580000" /> <Representation width="1920" height="1080" frameRate="25" codecs="avc3.4d4028" scanType="progressive" sar="1:1" id="stream_3" bandwidth="2800000" /> <Representation width="1920" height="1080" frameRate="50" codecs="avc3.4d402a" scanType="progressive" sar="1:1" id="stream_4" bandwidth="4000000" /> </AdaptationSet> <AdaptationSet mimeType="audio/mp4" startWithSAP="1" lang="chi" segmentAlignment="true"> <ContentProtection schemeIdUri="urn:mpeg:dash:mp4protection:2011" value="cenc"></ContentProtection> <ContentProtection schemeIdUri="urn:uuid:9a04f079-9840-4286-ab92-e65be0885f95"><mspr:pro xmlns:mspr="urn:microsoft:playready">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</mspr:pro></ContentProtection> <ContentProtection schemeIdUri="urn:uuid:edef8ba9-79d6-4ace-a3c8-27dcd51d21ed"></ContentProtection> <SegmentTemplate timescale="10000000" presentationTimeOffset="3661542014196680" media="$RepresentationID$/Segment-$Time$.m4a" initialization="$RepresentationID$/init.m4i"> <SegmentTimeline> <S t="3661542014890014" d="79360000" /> <S t="3661542094250014" d="80640000" /> <S t="3661542174890014" d="79360000" /> <S t="3661542254250014" d="80640000" /> <S t="3661542334890014" d="79360000" /> <S t="3661542414250014" d="80640000" /> <S t="3661542494890014" d="79360000" /> <S t="3661542574250014" d="80640000" /> <S t="3661542654890014" d="79360000" /> <S t="3661542734250014" d="80640000" /> <S t="3661542814890014" d="79360000" /> </SegmentTimeline> </SegmentTemplate> <Representation audioSamplingRate="48000" codecs="mp4a.40.2" id="stream_5" bandwidth="96000" /> </AdaptationSet> <AdaptationSet mimeType="audio/mp4" startWithSAP="1" lang="eng" segmentAlignment="true"> <ContentProtection schemeIdUri="urn:mpeg:dash:mp4protection:2011" value="cenc"></ContentProtection> <ContentProtection schemeIdUri="urn:uuid:9a04f079-9840-4286-ab92-e65be0885f95"><mspr:pro xmlns:mspr="urn:microsoft:playready">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</mspr:pro></ContentProtection> <ContentProtection schemeIdUri="urn:uuid:edef8ba9-79d6-4ace-a3c8-27dcd51d21ed"></ContentProtection> <SegmentTemplate timescale="10000000" presentationTimeOffset="3661542014196680" media="$RepresentationID$/Segment-$Time$.m4a" initialization="$RepresentationID$/init.m4i"> <SegmentTimeline> <S t="3661542014890014" d="79360000" /> <S t="3661542094250014" d="80640000" /> <S t="3661542174890014" d="79360000" /> <S t="3661542254250014" d="80640000" /> <S t="3661542334890014" d="79360000" /> <S t="3661542414250014" d="80640000" /> <S t="3661542494890014" d="79360000" /> <S t="3661542574250014" d="80640000" /> <S t="3661542654890014" d="79360000" /> <S t="3661542734250014" d="80640000" /> </SegmentTimeline> </SegmentTemplate> <Representation audioSamplingRate="48000" codecs="mp4a.40.2" id="stream_6" bandwidth="96000" /> </AdaptationSet> </Period> </MPD>

[dsilhavy]

Fixed in #4068