VideoDecodingWrapper

@UnstableApi
class VideoDecodingWrapper : AutoCloseable

A wrapper for decoding a video using MediaCodec.

This test utility class prefers using a software decoder. Depending on video resolution and device, some hardware decoders fail to write frames in YUV_420_888 to for use in CPU test utility functions.

Summary

Public constructors
VideoDecodingWrapper(
    context: Context!,
    filePath: String!,
    comparisonInterval: Int,
    maxImagesAllowed: Int
)

Creates a new instance.

Public functions
Unit
Image?

Returns the next decoded comparison frame, or null if the stream has ended.

Public constructors

VideoDecodingWrapper

VideoDecodingWrapper(
    context: Context!,
    filePath: String!,
    comparisonInterval: Int,
    maxImagesAllowed: Int
)

Creates a new instance.

Parameters
context: Context!

The Context.
filePath: String!

The path to the video file.
comparisonInterval: Int

The number of frames between the frames selected for comparison.
maxImagesAllowed: Int

The max number of images allowed in ImageReader.
Throws
java.io.IOException

When failed to open the video file.

Public functions

close

fun close(): Unit

runUntilComparisonFrameOrEnded

fun runUntilComparisonFrameOrEnded(): Image?

Returns the next decoded comparison frame, or null if the stream has ended. The caller takes ownership of any returned image and is responsible for closing it before calling this method again.

Throws
java.lang.InterruptedException