9951 explained code solutions for 126 technologies


ffmpegHow to encode video for YouTube (with streaming support)


ffmpeg -i in.mov -c:v libx264 -preset slow -crf 18 -c:a aac -b:a 192k -pix_fmt yuv420p -movflags +faststart out.mp4ctrl + c
-i in.mov

input video to prepare for Youtube upload

-c:v libx264

use H.264 codec

-preset

specify preset (mode) to use for conversion, where ultrafast is fastest but primitive and veryslow is slowest but most efficient

-crf 18

preferred quality level (bitrate), where 0 is lossless and 51 is worst

-c:a aac

use AAC codec for audio

-b:a 192k

set audio bitrate to 192k

-pix_fmt yuv420p

use yuv420p pixel format

-movflags +faststart

adds metadata to the beginning of the file, so it can start playing before full download

out.mp4

resulting video file