EncoderSelector

Artifact: androidx.media3:media3-transformer

Kotlin |Java

@UnstableApi
interface EncoderSelector

Selector of MediaCodec encoder instances.

Summary

Constants
`const EncoderSelector!`	`DEFAULT` Default implementation of `EncoderSelector`, which returns the preferred encoders for the given `MIME type`.

Public functions
`ImmutableList<MediaCodecInfo!>!`	`selectEncoderInfos(mimeType: String!)` Returns a list of encoders that can encode media in the specified `mimeType`, in priority order.

Constants

DEFAULT

const val DEFAULT: EncoderSelector!

Default implementation of EncoderSelector, which returns the preferred encoders for the given MIME type.

The EncoderSelector selection result contains only hardware encoders if they exist, or only software encoders otherwise.

Public functions

selectEncoderInfos

fun selectEncoderInfos(mimeType: String!): ImmutableList<MediaCodecInfo!>!

Returns a list of encoders that can encode media in the specified mimeType, in priority order.

Parameters
`mimeType: String!`	The `MIME type` for which an encoder is required.

Returns
`ImmutableList<MediaCodecInfo!>!`	An immutable list of `encoders` that support the `mimeType`. The list may be empty.

Content and code samples on this page are subject to the licenses described in the Content License. Java and OpenJDK are trademarks or registered trademarks of Oracle and/or its affiliates.

Last updated 2025-05-15 UTC.

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