ffmpeg-encoding-benchmark/notes.md

Notes

ffmpeg -i almatrailer2016a.mp4 -map 0:v:0
ffmpeg -i eso1902a.mp4 -map 0:v:0
ffmpeg -i Sparks_in_Blender.webm -map 0:v:0

$crf: CRF, see encoder documentation for valid values
$preset: Encoder preset, see documentation for values
$keyint: Keyframe interval. Set to (fps * 10) for consistency

H.264

-c:v libx264 -crf $crf -preset $preset -g $keyint

CRF: 0–51

Presets:

ultrafast
superfast
veryfast
faster
fast
medium
slow
slower
veryslow
placebo

H.265

-c:v libx265 -crf $crf -preset $preset -g $keyint

CRF: 0-51

Presets:

ultrafast
superfast
veryfast
faster
fast
medium
slow
slower
veryslow
placebo

AV1

libaom

-c:v libaom-av1 -crf $crf -b:v 0 -cpu-used $preset -row-mt 1 -g $keyint -tiles 2x2

CRF: 0-63

Presets: 0-6

SVT-AV1

-c:v libsvtav1 -crf $crf -preset $preset -g $keyint

CRF: 0-63

Presets: 0-12