TrackInfoUtil class

A utility class for managing multi-track video playback with variable resolutions.

多视频轨播放（可变清晰度）工具类。

Properties

hashCode → int

The hash code for this object.

no setter, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited

Static Properties

qualityDescriptions ↔ Map<String, String>

自定义清晰度描述

getter/setter pair

trackInfoResolutions ↔ Map<String, List<int>>

定义分辨率与对应宽高的映射

getter/setter pair

Static Methods

filterVideoTrackInfoList(List? trackInfoList) → List<AVPTrackInfo>

过滤视频清晰度轨

findResolution(AVPTrackInfo? trackInfo) → String

遍历最接近的清晰度

getIndexesFromTrackInfos(List<AVPTrackInfo> trackInfos) → List<int>

从视频轨信息列表中提取索引

getQualitiesFromTrackInfos(List<AVPTrackInfo> trackInfos) → List<String>

从视频轨信息列表中提取清晰度描述

getQuality(AVPTrackInfo? trackInfo) → String

获取视频轨的清晰度

getTrackIndex(AVPTrackInfo? trackInfo) → int

获取视频轨索引

getTrackInfoByIndex(List<AVPTrackInfo>? trackInfos, int? trackIndex) → AVPTrackInfo?

根据索引获取视频轨信息