[FFmpeg-user] independent codec settings
Alexander Solonsky
alexander.solonsky at castlabs.com
Mon Apr 26 19:50:09 EEST 2021
Dear peers,
I use this command to create 2 streams out of 1 with different gop sizes:
ffmpeg -i $1 -map 0:v:0 -c:v:0 libx264 -x264-params
"keyint=24:keyint_min=24:bframes=1" -map 0:v:0 -c:v:1 libx264
-x264-params "keyint=72:keyint_min=72:bframes=3" $2 -y
but the output video streams have only the latest gop structure. Nicolas
George from the ffmpeg-devel mail list told me that I need to use a
stream specifier to achieve the desired result. Can you please help me
to add the stream specifiers to the script above and achieve different
gop sizes for different streams?
Thanks,
Alexander
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