ImageDecoder

Kotlin |Java

@UnstableApi
public interface ImageDecoder extends Decoder

Known direct subclasses

`BitmapFactoryImageDecoder`	An image decoder that uses `BitmapFactory` to decode images.
`ExternallyLoadedImageDecoder`	An `ImageDecoder` for externally loaded images.

A Decoder implementation for images.

Summary

Nested types
`public interface ImageDecoder.Factory` A factory for image decoders.

Public methods
`abstract @Nullable ImageOutputBuffer`	`dequeueOutputBuffer()` Returns the next decoded `Bitmap` in an `ImageOutputBuffer`.
`abstract void`	`queueInputBuffer(DecoderInputBuffer inputBuffer)` Queues an `DecoderInputBuffer` to the decoder.

`abstract @Nullable I`	`dequeueInputBuffer()` Dequeues the next input buffer to be filled and queued to the decoder.
`abstract void`	`flush()` Flushes the decoder.
`abstract String`	`getName()` Returns the name of the decoder.
`abstract void`	`release()` Releases the decoder.
`default void`	`setCallback(Decoder.Callback callback, Executor executor)` Sets the callback and executor.
`abstract void`	`setOutputStartTimeUs(long outputStartTimeUs)` Sets the timestamp from which output buffers should be produced, in microseconds.

abstract @Nullable ImageOutputBuffer dequeueOutputBuffer()

Returns the next decoded Bitmap in an ImageOutputBuffer.

Returns
`@Nullable ImageOutputBuffer`	The output buffer, or `null` if an output buffer isn't available.

Throws
`androidx.media3.exoplayer.image.ImageDecoderException`	If a decoder error has occurred.

abstract void queueInputBuffer(DecoderInputBuffer inputBuffer)

Queues an DecoderInputBuffer to the decoder.

Parameters
`DecoderInputBuffer inputBuffer`	The input buffer containing the byte data corresponding to the image(s).

Throws
`androidx.media3.exoplayer.image.ImageDecoderException`	If a decoder error has occurred.