Hello!
I have an issue where my audio is sped up when I start certain process
while running ffmpeg. You can hear it after about 13 seconds in this video:
https://www.youtube.com/watch?v=aGr2pDgZ_6k (it's in Norwegian and
informal, as it is meant for fourteen highschool students), where it
happens when I start a python process where pygame is loaded.
Does anyone have any idea what could be the cause, and what I could do to
remedy it?
I have startet ffmpeg by the following command
ffmpeg \
-f x11grab \
-video_size 1920x1080 \
-i $DISPLAY.0+1920,0 \
-f alsa \
-acodec pcm_s32le \
-ac 4 \
-ar 44100 \
-i sysdefault:CARD=U192k \
-filter:a "volume=10dB" \
-preset ultrafast \
-c:v libx264 \
-y \
-ac 1 \
-threads 4 \
${OUTFILE}
My audiocard is a Behringer UMC404HD.
All help is very much appreciated.
Kind regards,
Tarjei Bærland
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