On Sat, Sep 21, 2024 at 2:50 PM Thomas Frohwein <tfrohw...@fastmail.com> wrote: > > On Fri, Sep 20, 2024 at 10:47:42PM -0700, patrick keshishian wrote: > > Hi folks, > > > > Attempting to do a screen capture (x11) including audio; say chrome is > > playing a video clip and I want to capture a portion of the screen > > along with the audio. > > > > Quick search shows following example: > > > > ffmpeg -f x11grab -probesize 32M -thread_queue_size 32 -i :0 \ > > -f sndio -thread_queue_size 32 -i snd/0 \ > > -codec:v libx264rgb -crf 0 -preset ultrafast \ > > -codec:a pcm_s16le \ > > raw.mkv > > > > Unfortunately, play back of raw.mkv file using ffplay, there is no > > audible audio. > > You need to use the monitoring stream to capture audio produced by > applications. See here how to set it up: > > https://www.openbsd.org/faq/faq13.html#recordmon > > In the script I use to not hand-type all the ffmpeg syntax, I have this: > > -f sndio -i snd/1.mon > > (in your case likely snd/0.mon after setting it up)
Thanks for the pointer! Worked as you & the FAQ explained. --patrick
