AssetLoader	Provides media data to a Transformer.
AssetLoader.Factory	A factory for AssetLoader instances.
AssetLoader.Listener	A listener of AssetLoader events.
AudioMixer	An audio component which combines audio data from multiple sources into a single output.
AudioMixer.Factory	A factory for AudioMixer instances.
Codec	Provides a layer of abstraction for interacting with decoders and encoders.
Codec.DecoderFactory	A factory for decoder instances.
Codec.EncoderFactory	A factory for encoder instances.
DefaultDecoderFactory.Listener	Listener for decoder factory events.
EncoderSelector	Selector of `MediaCodec` encoder instances.
InAppMuxer.MetadataProvider	Provides to add in the output MP4 file.
SampleConsumer	Consumer of encoded media samples, raw audio or raw video frames.
SurfaceAssetLoader.Callback	Callbacks for SurfaceAssetLoader events.
Transformer.Listener	A listener for the export events.

AssetLoader.CompositionSettings	Customizations set on the composition-level that are needed when loading each of the individual assets in the Composition.
Composition	A composition of MediaItem instances, with transformations to apply to them.
Composition.Builder	A builder for Composition instances.
CompositionPlayer	A Player implementation that plays compositions of media assets.
CompositionPlayer.Builder	A builder for CompositionPlayer instances.
DefaultAssetLoaderFactory	The default AssetLoader.Factory implementation.
DefaultAudioMixer	An AudioMixer that incrementally mixes source audio into a fixed size mixing buffer.
DefaultAudioMixer.Factory	An AudioMixer.Factory implementation for DefaultAudioMixer instances.
DefaultCodec	A default Codec implementation that uses `MediaCodec`.
DefaultDecoderFactory	Default implementation of Codec.DecoderFactory that uses `MediaCodec` for decoding.
DefaultDecoderFactory.Builder	A builder for DefaultDecoderFactory instances.
DefaultEncoderFactory	A default implementation of Codec.EncoderFactory.
DefaultEncoderFactory.Builder	A builder for DefaultEncoderFactory instances.
DefaultMuxer	A default Muxer implementation.
DefaultMuxer.Factory	A `androidx.media3.transformer.Muxer.Factory` for DefaultMuxer.
EditedMediaItem	A MediaItem with the transformations to apply to it.
EditedMediaItem.Builder	A builder for EditedMediaItem instances.
EditedMediaItemSequence	A sequence of EditedMediaItem instances.
Effects	Effects to apply to a MediaItem or to a Composition.
EncoderUtil	Utility methods for `MediaCodec` encoders.
ExoPlayerAssetLoader	An AssetLoader implementation that uses an ExoPlayer to load samples.
ExoPlayerAssetLoader.Factory	An AssetLoader.Factory for ExoPlayerAssetLoader instances.
ExperimentalAnalyzerModeFactory	Factory for creating instances of Transformer that can be used to analyze media.
ExportException.CodecInfo	The Codec details.
ExportResult	Information about the result of an export.
ExportResult.Builder	A builder for ExportResult instances.
ExportResult.ProcessedInput	An input entirely or partially processed.
ImageAssetLoader	An AssetLoader implementation that loads images into `Bitmap` instances.
ImageAssetLoader.Factory	An AssetLoader.Factory for ImageAssetLoader instances.
InAppMuxer	Muxer implementation that uses an Mp4Muxer or FragmentedMp4Muxer.
InAppMuxer.Factory	`androidx.media3.transformer.Muxer.Factory` for InAppMuxer.
InAppMuxer.Factory.Builder	A builder for InAppMuxer.Factory instances.
JsonUtil	Utilities for working with JSON
ProgressHolder	Holds a progress percentage.
RawAssetLoader	An AssetLoader implementation that loads raw audio and/or video data.
SurfaceAssetLoader	Asset loader that outputs video data passed to its input .
SurfaceAssetLoader.Factory	Factory for SurfaceAssetLoader instances.
TextureAssetLoader	An AssetLoader implementation that loads videos from instances.
TransformationRequest	A media transformation request.
TransformationRequest.Builder	A builder for TransformationRequest instances.
TransformationResult
TransformationResult.Builder
TransformationResult.ProcessedInput
Transformer	A transformer to export media inputs.
Transformer.Builder	A builder for Transformer instances.
TransformerUtil	Utility methods for Transformer.
VideoEncoderSettings	Represents the video encoder settings.
VideoEncoderSettings.Builder	Builds VideoEncoderSettings instances.

AssetLoader.SupportedOutputTypes	Supported output types of an asset loader.
Composition.HdrMode	The strategy to use to transcode or edit High Dynamic Range (HDR) input video.
ExportException.ErrorCode	Error codes that identify causes of Transformer errors.
SampleConsumer.InputResult	Specifies the result of an input operation.
TransformationException.ErrorCode	Error codes that identify causes of Transformer errors.
Transformer.ProgressState	Progress state.
VideoEncoderSettings.BitrateMode	The allowed values for bitrateMode.