MediaFormatProfileLevelCapabilities

Interface to get the Profile level and codec param capabilities

Properties

codecParams

readonly codecParams: string[]

Gets the list of codec parameters string supported by codec.

Refer to https://datatracker.ietf.org/doc/html/rfc6381

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profileLevels

readonly profileLevels: ProfileLevel[]

Gets the list of Profile and Levels supported by the codec.

For H264 refer to https://www.itu.int/rec/T-REC-H.264-201906-S/en Section A.2 and Section A.3.4 for Profiles and Levels

Profile is linked to the features used during the Encoding Level is directly linked to Macro Blocks Processing Rate per sec, as defined in the codec specification, which means maximum supported bitrate, framerate and resolution.

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Last updated: Oct 02, 2025