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ffmpegUsing 2-pass encoding with H.264 codec


ffmpeg -y -i in.mp4 -c:v libx264 -b:v 2600k -pass 1 -an -f null /dev/null && \
ffmpeg -i in.mp4 -c:v libx264 -b:v 2600k -pass 2 -c:a aac -b:a 128k out.mp4ctrl + c
ffmpeg

name of the package to install

-i in.mp4

input video file

-c:v libx264

use H.264 codec

-b:v 2600k

desired bitrate (2.6MBs in our case)

-pass 1

first pass to analyze video

-pass 2

second pass to encode video using collected data

-c:a aac

use AAC codec for audio

-b:a 128k

use 128k bitrate for audio

out.mp4

resulting video file


Usage example

ffmpeg -hide_banner -f lavfi -i nullsrc -c:v libx264 -preset help -f mp4 - 2>&1 | grep Possible
output
[libx264 @ 0x561c3c9d3ec0] Possible presets: ultrafast superfast veryfast faster fast medium slow slower veryslow placebo
[libx264 @ 0x561c3c9d3ec0] Possible tunes: film animation grain stillimage psnr ssim fastdecode zerolatency

link_youtube: https://youtu.be/zdBi4cypejI