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mediabunny/docs/codec-registry/av1.md
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c3df2a24e5 Add custom quality factors and quantizer bitrate mode (#448)
* Add custom quality factors and quantizer bitrate mode (closes #327)

* Fix quantizer mode fallback and per-frame quantizer edge cases

* Clean up quantizer mode tests

* Quantizer implementation

* Add quality tests

* Improve conversion codec error message, make test more lenient

* Add quantizer support blog post

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Co-authored-by: Vanilagy <[email protected]>
2026-07-30 17:24:59 +02:00

1.3 KiB

description
description
AOMedia Video 1 (AV1) video codec definition, defining legal codec strings, decoder configs, and packet data formats.
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AV1 codec registration

Description

The AOMedia Video 1 (AV1) video codec, specified in the AV1 Bitstream & Decoding Process Specification.

Codec ID

'av1'

EncodedPacket data

The packet's data must comply with the low-overhead bitstream format as defined in Section 5 of the AV1 Bitstream & Decoding Process Specification.

EncodedPacket type

If the packet's type is 'key', then the packet is expected to contain a frame with frame_type of KEY_FRAME, as defined in Section 6.8.2 of the AV1 Bitstream & Decoding Process Specification.

VideoDecoderConfig codec string

The full codec string begins with the prefix 'av01.', with a variable-length suffix as specified in Section 5 of the AV1 Codec ISO Media File Format Binding.

VideoDecoderConfig description

description is not used for this codec.

Quantizer range

AV1 has quantizer support and supports quantizer values in the range [0, 255].