Rank: Newbie
Groups: Registered
Joined: 1/21/2026(UTC) Posts: 1  Location: California
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Just experienced an issue of vMix crashing. Before that, it started lagging and everyone on stream experienced it too. vMix froze before the crash. There was no hitching or whatsoever visually until the preceding 10 seconds before the crash. I was streaming on 1080p60 @ 8000kbps, 192kbits of audio and recording Output, Master, and both Channels A and B for archival and editing purposes. Specs are as follows: - Intel Xeon w5-2565X - Gigabyte MW83-RP0-000 - 4x16 DDR5 SDRAM - ASUS ROG Strix RTX 4080 SUPER GAMING OC - Blackmagic DeckLink 8K Pro G2 Upon checking the logs, I saw bits and bobs of "Invalid DTS" showing up. Quote:
[flv @ 000001f433f88340] Invalid DTS: 6341756 PTS: 6341606 in output stream 0:0, replacing by guess
frame=379043 fps= 60 q=9.0 size= 5849912kB time=01:45:49.17 bitrate=7547.8kbits/s speed= 1x
[flv @ 000001f433f88340] Invalid DTS: 6342357 PTS: 6342006 in output stream 0:0, replacing by guess
frame=379046 fps= 60 q=8.0 size= 5850585kB time=01:45:49.68 bitrate=7548.1kbits/s speed= 1x
[flv @ 000001f433f88340] Invalid DTS: 6343157 PTS: 6342807 in output stream 0:0, replacing by guess
frame=379049 fps= 60 q=12.0 size= 5850592kB time=01:45:50.17 bitrate=7547.5kbits/s speed= 1x
[flv @ 000001f433f88340] Invalid DTS: 6343358 PTS: 6343208 in output stream 0:0, replacing by guess
frame=379051 fps= 60 q=9.0 size= 5850598kB time=01:45:50.71 bitrate=7546.9kbits/s speed= 1x
[flv @ 000001f433f88340] Invalid DTS: 6343958 PTS: 6343608 in output stream 0:0, replacing by guess
[flv @ 000001f433f88340] Invalid DTS: 6344158 PTS: 6344008 in output stream 0:0, replacing by guess
frame=379054 fps= 60 q=12.0 size= 5850598kB time=01:45:51.20 bitrate=7546.3kbits/s speed= 1x
frame=379056 fps= 60 q=11.0 size= 5850603kB time=01:45:51.73 bitrate=7545.7kbits/s speed= 1x
[flv @ 000001f433f88340] Invalid DTS: 6344759 PTS: 6344409 in output stream 0:0, replacing by guess
[flv @ 000001f433f88340] Invalid DTS: 6344959 PTS: 6344809 in output stream 0:0, replacing by guess
frame=379059 fps= 60 q=9.0 size= 5850607kB time=01:45:52.24 bitrate=7545.1kbits/s speed= 1x
[flv @ 000001f433f88340] Invalid DTS: 6345560 PTS: 6345210 in output stream 0:0, replacing by guess
frame=379061 fps= 60 q=12.0 size= 5850607kB time=01:45:52.75 bitrate=7544.5kbits/s speed= 1x
[flv @ 000001f433f88340] Invalid DTS: 6345760 PTS: 6345610 in output stream 0:0, replacing by guess
frame=379064 fps= 60 q=11.0 size= 5850611kB time=01:45:53.27 bitrate=7543.9kbits/s speed= 1x
[flv @ 000001f433f88340] Invalid DTS: 6346361 PTS: 6346010 in output stream 0:0, replacing by guess
[flv @ 000001f433f88340] Invalid DTS: 6346561 PTS: 6346411 in output stream 0:0, replacing by guess
frame=379067 fps= 60 q=9.0 size= 5850612kB time=01:45:53.76 bitrate=7543.3kbits/s speed= 1x
[flv @ 000001f433f88340] Invalid DTS: 6347161 PTS: 6346811 in output stream 0:0, replacing by guess
frame=379069 fps= 60 q=12.0 size= 5850615kB time=01:45:54.27 bitrate=7542.7kbits/s speed= 1x
[flv @ 000001f433f88340] Invalid DTS: 6347362 PTS: 6347212 in output stream 0:0, replacing by guess
frame=379072 fps= 60 q=11.0 size= 5850619kB time=01:45:54.78 bitrate=7542.1kbits/s speed= 1x
[flv @ 000001f433f88340] Invalid DTS: 6347962 PTS: 6347612 in output stream 0:0, replacing by guess
[flv @ 000001f433f88340] Invalid DTS: 6348162 PTS: 6348012 in output stream 0:0, replacing by guess
frame=379074 fps= 60 q=12.0 size= 5850620kB time=01:45:55.29 bitrate=7541.5kbits/s speed= 1x
[flv @ 000001f433f88340] Invalid DTS: 6348763 PTS: 6348413 in output stream 0:0, replacing by guess
frame=379077 fps= 60 q=12.0 size= 5850624kB time=01:45:55.80 bitrate=7540.9kbits/s speed= 1x
[flv @ 000001f433f88340] Invalid DTS: 6348963 PTS: 6348813 in output stream 0:0, replacing by guess
frame=379080 fps= 60 q=11.0 size= 5850628kB time=01:45:56.34 bitrate=7540.2kbits/s speed= 1x
[flv @ 000001f433f88340] Invalid DTS: 6349564 PTS: 6349214 in output stream 0:0, replacing by guess
[flv @ 000001f433f88340] Invalid DTS: 6349764 PTS: 6349614 in output stream 0:0, replacing by guess
frame=379082 fps= 60 q=12.0 size= 5850628kB time=01:45:56.85 bitrate=7539.6kbits/s speed= 1x
[flv @ 000001f433f88340] Invalid DTS: 6350365 PTS: 6350014 in output stream 0:0, replacing by guess
frame=379085 fps= 60 q=12.0 size= 5850632kB time=01:45:57.36 bitrate=7539.0kbits/s speed= 1x
[flv @ 000001f433f88340] Invalid DTS: 6350565 PTS: 6350415 in output stream 0:0, replacing by guess
frame=379088 fps= 60 q=11.0 size= 5850636kB time=01:45:57.87 bitrate=7538.4kbits/s speed= 1x
[flv @ 000001f433f88340] Invalid DTS: 6351165 PTS: 6350815 in output stream 0:0, replacing by guess
[flv @ 000001f433f88340] Invalid DTS: 6351366 PTS: 6351216 in output stream 0:0, replacing by guess
frame=379090 fps= 60 q=12.0 size= 5850637kB time=01:45:58.39 bitrate=7537.8kbits/s speed= 1x
[flv @ 000001f433f88340] Invalid DTS: 6351950 PTS: 6351616 in output stream 0:0, replacing by guess
frame=379093 fps= 60 q=12.0 size= 5850640kB time=01:45:58.92 bitrate=7537.2kbits/s speed= 1x
[flv @ 000001f433f88340] Invalid DTS: 6352150 PTS: 6352000 in output stream 0:0, replacing by guess
frame=379096 fps= 60 q=11.0 size= 5850646kB time=01:45:59.39 bitrate=7536.6kbits/s speed= 1x
[flv @ 000001f433f88340] Invalid DTS: 6352734 PTS: 6352400 in output stream 0:0, replacing by guess
[flv @ 000001f433f88340] Invalid DTS: 6352934 PTS: 6352784 in output stream 0:0, replacing by guess
frame=379098 fps= 60 q=12.0 size= 5850647kB time=01:45:59.94 bitrate=7536.0kbits/s speed= 1x
[flv @ 000001f433f88340] Invalid DTS: 6353518 PTS: 6353184 in output stream 0:0, replacing by guess
frame=379101 fps= 60 q=12.0 size= 5850651kB time=01:46:00.46 bitrate=7535.4kbits/s speed= 1x
[flv @ 000001f433f88340] Invalid DTS: 6353718 PTS: 6353568 in output stream 0:0, replacing by guess
frame=379104 fps= 60 q=11.0 size= 5850655kB time=01:46:00.95 bitrate=7534.8kbits/s speed= 1x
[flv @ 000001f433f88340] Invalid DTS: 6354302 PTS: 6353968 in output stream 0:0, replacing by guess
[flv @ 000001f433f88340] Invalid DTS: 6354502 PTS: 6354352 in output stream 0:0, replacing by guess
frame=379106 fps= 60 q=12.0 size= 5850655kB time=01:46:01.50 bitrate=7534.2kbits/s speed= 1x
[flv @ 000001f433f88340] Invalid DTS: 6355086 PTS: 6354736 in output stream 0:0, replacing by guess
frame=379109 fps= 60 q=12.0 size= 5850659kB time=01:46:01.99 bitrate=7533.6kbits/s speed= 1x
[flv @ 000001f433f88340] Invalid DTS: 6355286 PTS: 6355136 in output stream 0:0, replacing by guess
frame=379111 fps= 60 q=9.0 size= 5850663kB time=01:46:02.50 bitrate=7533.0kbits/s speed= 1x
[flv @ 000001f433f88340] Invalid DTS: 6355853 PTS: 6355520 in output stream 0:0, replacing by guess
[flv @ 000001f433f88340] Invalid DTS: 6356054 PTS: 6355904 in output stream 0:0, replacing by guess
frame=379114 fps= 60 q=12.0 size= 5850664kB time=01:46:03.02 bitrate=7532.4kbits/s speed= 1x
[flv @ 000001f433f88340] Invalid DTS: 6356638 PTS: 6356287 in output stream 0:0, replacing by guess
frame=379117 fps= 60 q=12.0 size= 5850667kB time=01:46:03.53 bitrate=7531.8kbits/s speed= 1x
[flv @ 000001f433f88340] Invalid DTS: 6356838 PTS: 6356688 in output stream 0:0, replacing by guess
frame=379120 fps= 60 q=11.0 size= 5850671kB time=01:46:04.04 bitrate=7531.2kbits/s speed= 1x
[flv @ 000001f433f88340] Invalid DTS: 6357405 PTS: 6357071 in output stream 0:0, replacing by guess
[flv @ 000001f433f88340] Invalid DTS: 6357605 PTS: 6357455 in output stream 0:0, replacing by guess
[flv @ 000001f433f88340] Invalid DTS: 6358189 PTS: 6357855 in output stream 0:0, replacing by guess
[flv @ 000001f433f88340] Invalid DTS: 6358389 PTS: 6358239 in output stream 0:0, replacing by guess
[flv @ 000001f433f88340] Invalid DTS: 6358973 PTS: 6358623 in output stream 0:0, replacing by guess
[flv @ 000001f433f88340] Invalid DTS: 6359173 PTS: 6359023 in output stream 0:0, replacing by guess
[flv @ 000001f433f88340] Invalid DTS: 6359741 PTS: 6359407 in output stream 0:0, replacing by guess
[flv @ 000001f433f88340] Invalid DTS: 6359941 PTS: 6359791 in output stream 0:0, replacing by guess
[flv @ 000001f433f88340] Invalid DTS: 6360525 PTS: 6360174 in output stream 0:0, replacing by guess
[flv @ 000001f433f88340] Invalid DTS: 6360708 PTS: 6360575 in output stream 0:0, replacing by guess
[flv @ 000001f433f88340] Invalid DTS: 6361309 PTS: 6360959 in output stream 0:0, replacing by guess
[flv @ 000001f433f88340] Invalid DTS: 6361492 PTS: 6361359 in output stream 0:0, replacing by guess
[flv @ 000001f433f88340] Invalid DTS: 6362076 PTS: 6361743 in output stream 0:0, replacing by guess
[flv @ 000001f433f88340] Invalid DTS: 6362277 PTS: 6362126 in output stream 0:0, replacing by guess
frame=379146 fps= 60 q=12.0 size= 5850697kB time=01:46:04.55 bitrate=7530.6kbits/s speed= 1x
[flv @ 000001f433f88340] Invalid DTS: 6362877 PTS: 6362527 in output stream 0:0, replacing by guess
[flv @ 000001f433f88340] Invalid DTS: 6363061 PTS: 6362927 in output stream 0:0, replacing by guess
[flv @ 000001f433f88340] Invalid DTS: 6363645 PTS: 6363311 in output stream 0:0, replacing by guess
[flv @ 000001f433f88340] Invalid DTS: 6363828 PTS: 6363695 in output stream 0:0, replacing by guess
[flv @ 000001f433f88340] Invalid DTS: 6364112 PTS: 6364078 in output stream 0:0, replacing by guess
frame=379175 fps= 60 q=30.0 size= 5851971kB time=01:46:05.06 bitrate=7531.6kbits/s speed= 1x
This was my first time encountering this issue and it seems like there isn't any handy documentation for diagnosis or troubleshooting. I suspect that it was because I was processing mic audio via Nvidia Broadcast as it had started crackling around minute 5 of the stream but has not really gone farther than a 200ms crackle. Could it be a sync issue that vMix was not able to resolve past a specific frame count? Any help or leads would be appreciated!
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