ffmpeg - Conversions - Convert H264 to AV1 - libaom

libaom (libaom-av1) is the reference encoder for the AV1 format.

libaom offers the following rate-control modes which determine the quality and file size obtained:

• Constant quality.
• Constrained quality.
• 2-pass average bitrate.
• 1-pass average bitrate.

ffmpeg -h encoder=libaom-av1

A minimum and maximum bitrate

A minimum and maximum bitrate, for streaming

Average Bitrate (ABR)

Constrained Quality

Constant Quality

Simple usage

Simple method, with Quality/Speed ratio modifier

Simple method, with Quality/Speed ratio modifier, and Bitrate Limit and Max Bitrate

Two-Pass