程序包 ohos.media.photokit.metadata

类 AVThumbnailUtils

java.lang.Object

ohos.media.photokit.metadata.AVThumbnailUtils

public class AVThumbnailUtils
extends Object

Represents the thumbnail utility for applications to obtain video and image thumbnails.

从以下版本开始:

3

SystemCapability

SystemCapability.Multimedia#MEDIA_LIBRARY

构造器概要

构造器

构造器	说明
AVThumbnailUtils()

方法概要

限定符和类型	方法	说明
static PixelMap	createImageThumbnail(File file, Size size)	Creates a thumbnail of the specified image.
static PixelMap	createVideoThumbnail(File file, Size size)	Creates a thumbnail of the representative keyframe in the specified video.

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

构造器详细资料

AVThumbnailUtils

public AVThumbnailUtils()

方法详细资料

createVideoThumbnail

public static PixelMap createVideoThumbnail(File file,
                                            Size size)

Creates a thumbnail of the representative keyframe in the specified video.

参数:

file - Indicates the video file.

size - Indicates the thumbnail size.

返回:

Returns the thumbnail if any; returns null otherwise.

从以下版本开始:

3

createImageThumbnail

public static PixelMap createImageThumbnail(File file,
                                            Size size)

Creates a thumbnail of the specified image.

参数:

file - Indicates the image file.

size - Indicates the thumbnail size.

返回:

Returns the thumbnail if any; returns null otherwise.

从以下版本开始:

3