Lowering the bitrate

Sunday, June 30, 2024 at 10:41 AM

Here is the part of my bash script that resizes the video.

$src is original big file
$dst is the new small file

It makes them 640 pixels wide.


IFS=x read width height rate < <(ffprobe -v error -select_streams v -show_entries stream=width,height,r_frame_rate -of csv=p=0:s=x "$src")
width2=640
((height2 = height * width2 / width))
((height2 += height2 % 2))
if [ "$rate" = "60/1" ]
then
	rate="30"
fi
ffmpeg -i "$src" -b:v 300k -b:a 80k -r "$rate" -filter:v scale="$width2:$height2" "$dst"

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