The video can be played in 1.4.3 but not in 1.4.4+

[zsokami]

What version of Hls.js are you using?

canary

What browser (including version) are you using?

Chrome 117.0.5938.132

What OS (including version) are you using?

Windows 10

Test stream

https://media-oss.plasticmemory.net/m3u8/1695961244547.m3u8

Configuration

{ debug: true }

Additional player setup steps

No response

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 (latest release) on https://hlsjs.video-dev.org/demo and not just on my page
• The issue occurs in the latest client (main branch) on https://hlsjs-dev.video-dev.org/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. Play the test stream with 1.4.4+

Expected behaviour

New version can play

What actually happened?

1.4.3 can play but 1.4.4+ can't

Console output

logger.ts:74 [log] > Debug logs enabled for "Hls instance" in hls.js version 1.5.0-alpha.0.0.canary.9557
hls.ts:418 [log] > stopLoad
hls.ts:386 [log] > loadSource:https://media-oss.plasticmemory.net/m3u8/1695961244547.m3u8
stream-controller.ts:575 [log] > [stream-controller]: Trigger BUFFER_RESET
hls.ts:356 [log] > attachMedia
buffer-controller.ts:191 [log] > [buffer-controller] created media source: MediaSource
buffer-controller.ts:984 [log] > [buffer-controller] Media source opened
base-stream-controller.ts:1780 [log] > [subtitle-stream-controller]: STOPPED->IDLE
level-controller.ts:320 [log] > [level-controller]: manifest loaded, 1 level(s) found, first bitrate: 0
buffer-controller.ts:180 [log] > [buffer-controller] 1 bufferCodec event(s) expected
hls.ts:407 [log] > startLoad(-1)
level-controller.ts:415 [log] > [level-controller]: Switching to level 0 (SDR @0) from level -1
base-stream-controller.ts:1780 [log] > [stream-controller]: STOPPED->IDLE
base-stream-controller.ts:1780 [log] > [subtitle-stream-controller]: IDLE->STOPPED
base-stream-controller.ts:1780 [log] > [subtitle-stream-controller]: STOPPED->IDLE
stream-controller.ts:640 [log] > [stream-controller]: Level 0 loaded [0,345][part-345--1], cc [0, 0] duration:1434.9762350000003
buffer-controller.ts:855 [log] > [buffer-controller] Updating Media Source duration to 1434.976
base-stream-controller.ts:747 [log] > [stream-controller]: Loading fragment 0 cc: 0 of [0-345] level: 0, target: 0
base-stream-controller.ts:1780 [log] > [stream-controller]: IDLE->FRAG_LOADING
transmuxer-interface.ts:89 [log] > injecting Web Worker for "main"
transmuxer-interface.ts:231 [log] > [transmuxer-interface, main]: Starting new transmux session for sn: 0 p: -1 level: 0 id: 1
        discontinuity: true
        trackSwitch: true
        contiguous: false
        accurateTimeOffset: true
        timeOffset: 0
        initSegmentChange: true
base-stream-controller.ts:386 [log] > [stream-controller]: Loaded fragment 0 of level 0
blob:http://127.0.0.1:5501/7f8f935b-a0a4-4517-99a5-46b8cf69b542:544 [log] > Debug logs enabled for "main" in hls.js version 1.5.0-alpha.0.0.canary.9557
transmuxer-interface.ts:383 [log] > ADTS sync word found !
transmuxer-interface.ts:383 [log] > [mp4-remuxer]: ISGenerated flag reset
transmuxer-interface.ts:383 [log] > [mp4-remuxer]: initPTS & initDTS reset
transmuxer-interface.ts:383 [log] > [mp4-remuxer]: reset next timestamp
transmuxer-interface.ts:100 [warn] > Error in "main" Web Worker, fallback to inline
TransmuxerInterface.worker.onerror @ transmuxer-interface.ts:100
error (async)
TransmuxerInterface @ transmuxer-interface.ts:95
_handleFragmentLoadProgress @ stream-controller.ts:733
progressCallback @ base-stream-controller.ts:364
(anonymous) @ base-stream-controller.ts:784
Promise.then (async)
_doFragLoad @ base-stream-controller.ts:782
_loadFragForPlayback @ base-stream-controller.ts:367
loadFragment @ base-stream-controller.ts:343
loadFragment @ stream-controller.ts:379
doTickIdle @ stream-controller.ts:355
doTick @ stream-controller.ts:210
tick @ task-loop.ts:106
onLevelLoaded @ stream-controller.ts:701
emit @ index.js:203
emit @ hls.ts:286
trigger @ hls.ts:294
handlePlaylistLoaded @ playlist-loader.ts:676
handleTrackOrLevelPlaylist @ playlist-loader.ts:498
onSuccess @ playlist-loader.ts:314
readystatechange @ xhr-loader.ts:239
XMLHttpRequest.send (async)
openAndSendXhr @ xhr-loader.ts:166
loadInternal @ xhr-loader.ts:125
load @ xhr-loader.ts:84
load @ playlist-loader.ts:347
onManifestLoading @ playlist-loader.ts:154
emit @ index.js:203
emit @ hls.ts:286
trigger @ hls.ts:294
loadSource @ hls.ts:396
playM3u8 @ player.html:12
(anonymous) @ player.html:48
Show 2 more frames
Show less
base-stream-controller.ts:1638 [log] > [stream-controller]: Reset loading state
base-stream-controller.ts:1780 [log] > [stream-controller]: FRAG_LOADING->IDLE
base-stream-controller.ts:1638 [log] > [audio-stream-controller]: Reset loading state
base-stream-controller.ts:1780 [log] > [audio-stream-controller]: STOPPED->IDLE
base-stream-controller.ts:747 [log] > [stream-controller]: Loading fragment 0 cc: 0 of [0-345] level: 0, target: 0
base-stream-controller.ts:1780 [log] > [stream-controller]: IDLE->FRAG_LOADING
transmuxer-interface.ts:231 [log] > [transmuxer-interface, main]: Starting new transmux session for sn: 0 p: -1 level: 0 id: 1
        discontinuity: true
        trackSwitch: true
        contiguous: false
        accurateTimeOffset: true
        timeOffset: 0
        initSegmentChange: true
aacdemuxer.ts:63 [log] > ADTS sync word found !
mp4-remuxer.ts:98 [log] > [mp4-remuxer]: ISGenerated flag reset
mp4-remuxer.ts:87 [log] > [mp4-remuxer]: initPTS & initDTS reset
mp4-remuxer.ts:92 [log] > [mp4-remuxer]: reset next timestamp
base-stream-controller.ts:1780 [log] > [stream-controller]: FRAG_LOADING->ERROR
base-stream-controller.ts:1780 [log] > [audio-stream-controller]: IDLE->ERROR
hls.ts:418 [log] > stopLoad
base-stream-controller.ts:1780 [log] > [stream-controller]: ERROR->STOPPED
base-stream-controller.ts:1780 [log] > [audio-stream-controller]: ERROR->STOPPED
base-stream-controller.ts:1780 [log] > [subtitle-stream-controller]: IDLE->STOPPED

Chrome media internals output

No response

[robwalch]

The media segments are masquerading as image files. TS segments should only contain M2TS packets.

$ curl https://media-oss.plasticmemory.net/m3u8/1695961244547.m3u8
#EXTM3U
#EXT-X-VERSION:3
#EXT-X-MEDIA-SEQUENCE:0
#EXT-X-ALLOW-CACHE:YES
#EXT-X-TARGETDURATION:11
#EXTINF:6.631633,
https://mypics.zhaopin.cn/attachment/2023/09/29/29758b6a-9b7b-4a9d-af19-157b6ce7859b.png

Regressed with #5503 which exits the TS probe function when 0x47 byte is found before finding a real m2TS packet (happens with test asset above on 4th byte).
https://github.com/video-dev/hls.js/pull/5503/files#diff-4a467ddfe2310c97c29aac6fda61c534714123a1b68c7f198b0f8ddd0598c611R137-R138