Edge playing video but no sound intermittently on live stream

[tchakabam]

What version of Hls.js are you using?

0.12.4

What browser and OS are you using?

Windows 10

Edge 41 / 42 / 44

Test stream:

Checklist

• The issue observed is not already reported by searching on Github under https://github.com/video-dev/hls.js/issues
• The issue occurs in the stable client on https://hls-js.netlify.com/demo and not just on my page

• The issue occurs in the latest client on https://hls-js-latest.netlify.com/demo and not just on my page

• 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

Steps to reproduce

1. Please provide clear steps to reproduce your problem

Load the demo page with the live stream from given content

2. If the bug is intermittent, give a rough frequency

1 out of 5 times in phases of several seconds

Expected behavior

Sound coming out of devicew speaker

Actual behavior

Video playing, speaker icon in browser tab, but no sound coming out of speaker

Console output

Using Hls.js config: [object Object]

undefined
hls.js (16977,13)

[log] > loadSource:https://zdfhls15-i.akamaihd.net/hls/live/744748/de/high/master.m3u8
hls.js (16977,13)

[debug] > Loading playlist of type manifest, level: 0, id: null
hls.js (16977,13)

[debug] > Calling internal loader delegate for URL: https://zdfhls15-i.akamaihd.net/hls/live/744748/de/high/master.m3u8
hls.js (16977,13)

[log] > trigger BUFFER_RESET
hls.js (16977,13)

[log] > set autoLevelCapping:-1
hls.js (16977,13)

[log] > attachMedia
hls.js (16977,13)

[log] > media source opened
hls.js (16977,13)

[log] > manifest loaded,5 level(s) found, first bitrate:578095
hls.js (16977,13)

[log] > 1 bufferCodec event(s) expected
hls.js (16977,13)

[log] > startLoad(-1)
hls.js (16977,13)

[log] > switching to level 0
hls.js (16977,13)

[debug] > Loading playlist of type level, level: 0, id: 0
hls.js (16977,13)

[debug] > Calling internal loader delegate for URL: https://zdfhls15-i.akamaihd.net/hls/live/744748/de/1/1.m3u8
hls.js (16977,13)

[log] > main stream:STOPPED->IDLE
hls.js (16977,13)

[log] > audio tracks updated
hls.js (16977,13)

[log] > subtitle tracks updated
hls.js (16977,13)

[log] > live playlist, reload in 5475 ms
hls.js (16977,13)

[log] > level 0 loaded [11654,11948],duration:1770
hls.js (16977,13)

[log] > live playlist - first load, unknown sliding
hls.js (16977,13)

[log] > configure startPosition to 1752
hls.js (16977,13)

[log] > Loading 11946 of [11654 ,11948],level 0, currentTime:1752.000,bufferEnd:1752.000
hls.js (16977,13)

[log] > demuxing in webworker
hls.js (16977,13)

[log] > main stream:IDLE->FRAG_LOADING
hls.js (16977,13)

[log] > Loaded 11946 of [11654 ,11948],level 0
logger.js (40,7)

[log] > Parsing 11946 of [11654 ,11948],level 0, cc 0
logger.js (40,7)

[log] > main stream:FRAG_LOADING->PARSING
logger.js (40,7)

[log] > main:discontinuity detected
logger.js (40,7)

[log] > main:switch detected
logger.js (40,7)

[log] > manifest codec:mp4a.40.2,ADTS data:type:2,sampleingIndex:3[48000Hz],channelConfig:2

[log] > parsed codec:mp4a.40.5,rate:48000,nb channel:2

[log] > audio sampling rate : 48000

[log] > InitPTS for cc: 0 found from video track: -2296761092
logger.js (40,7)

[log] > creating sourceBuffer(audio/mp4;codecs=mp4a.40.2)
logger.js (40,7)

[log] > creating sourceBuffer(video/mp4;codecs=avc1.4d401f)
logger.js (40,7)

[log] > main track:audio,container:audio/mp4,codecs[level/parsed]=[mp4a.40.2/mp4a.40.5]
logger.js (40,7)

[log] > main track:video,container:video/mp4,codecs[level/parsed]=[avc1.4d401f/avc1.4d401f]
logger.js (40,7)

[log] > Parsed audio,PTS:[1752.012,1758.007],DTS:[1752.012/1758.007],nb:281,dropped:0
logger.js (40,7)

[log] > Parsed video,PTS:[1752.000,1758.000],DTS:[1751.880/1757.880],nb:150,dropped:0
logger.js (40,7)

[log] > main stream:PARSING->PARSED
logger.js (40,7)

[log] > main buffered : [1752.012,1757.880]
logger.js (40,7)

[log] > latency/loading/parsing/append/kbps:691/72/572/286/1764
logger.js (40,7)

[log] > main stream:PARSED->IDLE
logger.js (40,7)

[log] > Loading 11947 of [11654 ,11948],level 0, currentTime:1758.000,bufferEnd:1758.000
logger.js (40,7)

[log] > main stream:IDLE->FRAG_LOADING
logger.js (40,7)

[log] > target start position not buffered, seek to buffered.start(0) 1752 from current time 0 
logger.js (40,7)

2[log] > media seeking to 1752.000
logger.js (40,7)

[log] > media seeked to 1752.000
logger.js (40,7)

[log] > Loaded 11947 of [11654 ,11948],level 0
logger.js (40,7)

[log] > Parsing 11947 of [11654 ,11948],level 0, cc 0
logger.js (40,7)

[log] > main stream:FRAG_LOADING->PARSING
logger.js (40,7)

[log] > Parsed audio,PTS:[1758.007,1764.001],DTS:[1758.007/1764.001],nb:281,dropped:0
logger.js (40,7)

[log] > Parsed video,PTS:[1758.000,1764.000],DTS:[1757.880/1763.880],nb:150,dropped:0
logger.js (40,7)

[log] > main stream:PARSING->PARSED
logger.js (40,7)

[log] > main buffered : [1752.012,1763.880]
logger.js (40,7)

[log] > latency/loading/parsing/append/kbps:216/31/67/3/9967
logger.js (40,7)

[log] > main stream:PARSED->IDLE
logger.js (40,7)

[log] > switching to level 3
logger.js (40,7)

[debug] > Loading playlist of type level, level: 3, id: 0
logger.js (40,7)

[debug] > Calling internal loader delegate for URL: https://zdfhls15-i.akamaihd.net/hls/live/744748/de/4/4.m3u8
logger.js (40,7)

[log] > main stream:IDLE->WAITING_LEVEL
logger.js (40,7)

[log] > live playlist, reload in 5351 ms
logger.js (40,7)

[log] > level 3 loaded [11654,11948],duration:1770
logger.js (40,7)

[log] > live playlist - first load, unknown sliding
logger.js (40,7)

[log] > adjusting PTS using programDateTime delta, sliding:0.000
logger.js (40,7)

[log] > main stream:WAITING_LEVEL->IDLE
logger.js (40,7)

[log] > Loading 11948 of [11654 ,11948],level 3, currentTime:1752.875,bufferEnd:1763.880
logger.js (40,7)

[log] > main stream:IDLE->FRAG_LOADING
logger.js (40,7)

[log] > Loaded 11948 of [11654 ,11948],level 3
logger.js (40,7)

[log] > Parsing 11948 of [11654 ,11948],level 3, cc 0
logger.js (40,7)

[log] > main stream:FRAG_LOADING->PARSING
logger.js (40,7)

[log] > main:switch detected
logger.js (40,7)

[log] > manifest codec:mp4a.40.2,ADTS data:type:2,sampleingIndex:3[48000Hz],channelConfig:2

[log] > parsed codec:mp4a.40.5,rate:48000,nb channel:2

[log] > audio sampling rate : 48000

[log] > main track:audio,container:audio/mp4,codecs[level/parsed]=[mp4a.40.2/mp4a.40.5]
logger.js (40,7)

[log] > main track:video,container:video/mp4,codecs[level/parsed]=[avc1.4d401f/avc1.4d401f]
logger.js (40,7)

[log] > Parsed audio,PTS:[1764.001,1770.017],DTS:[1764.001/1770.017],nb:282,dropped:0
logger.js (40,7)

[log] > Parsed video,PTS:[1764.000,1770.000],DTS:[1763.880/1769.880],nb:150,dropped:0
logger.js (40,7)

[log] > main stream:PARSING->PARSED
logger.js (40,7)

[log] > main buffered : [1752.012,1769.880]
logger.js (40,7)

[log] > latency/loading/parsing/append/kbps:696/397/137/9/14235
logger.js (40,7)

[log] > main stream:PARSED->IDLE
logger.js (40,7)

[log] > switching to level 4
logger.js (40,7)

[debug] > Loading playlist of type level, level: 4, id: 0
logger.js (40,7)

[debug] > Calling internal loader delegate for URL: https://zdfhls15-i.akamaihd.net/hls/live/744748/de/5/5.m3u8
logger.js (40,7)

[log] > main stream:IDLE->WAITING_LEVEL
logger.js (40,7)

[log] > live playlist, reload in 5959 ms
logger.js (40,7)

[log] > level 4 loaded [11654,11948],duration:1770
logger.js (40,7)

[log] > live playlist - first load, unknown sliding
logger.js (40,7)

[log] > adjusting PTS using programDateTime delta, sliding:0.000
logger.js (40,7)

[log] > main stream:WAITING_LEVEL->IDLE
logger.js (40,7)

[log] > Loading 11948 of [11654 ,11948],level 4, currentTime:1754.148,bufferEnd:1769.880
logger.js (40,7)

[log] > main stream:IDLE->FRAG_LOADING
logger.js (40,7)

[log] > Loaded 11948 of [11654 ,11948],level 4
logger.js (40,7)

[log] > Parsing 11948 of [11654 ,1194

[tchakabam]

Duplicates #2323