[FFmpeg-user] Captured Audio Stream and Video Streams from YouTube Live are out of Sync

Stephan Monecke stephanmonecke at gmail.com
Sat May 9 10:52:00 EEST 2020

Have a look at the "-itsoffset" parameter for constant delays.
Also you might want to drop the "-re" [1].

[1] https://trac.ffmpeg.org/wiki/StreamingGuide#The-reflag
Best regards,
Stephan Monecke
Sent from my mobile device. Please excuse my brevity.

Am 9. Mai 2020 09:14:23 MESZ schrieb Jim Ruxton <jim.ruxton at gmail.com>:
>I am trying to retrieve a YoutubeLive stream and send the video stream 
>to a video loopback device and the audio to my souncard. This works 
>however it appears that the audio is delayed by a second or so. Is
>a better way to do this so they aren't out of sync or failing that is 
>there a way to set a delay on the video stream to compensate? Below is 
>my command. I am using the Sky News You Tube Live as a test signal. I
>on Ubuntu 19.10 .
>ffmpeg -re -i $(youtube-dl -g -f 96 
>https://www.youtube.com/watch?v=9Auq9mYxFEE)  -f v4l2 /dev/video2 -f 
>alsa default
>ffmpeg-user mailing list
>ffmpeg-user at ffmpeg.org
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