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import media from '@';

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this.avPlayer = await media.createAVPlayer();

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// 示例：设置stateChange和error监听

this.avPlayer.on('stateChange', (state) => { /* 处理状态变化 */ });

this.avPlayer.on('error', (err) => { /* 错误处理 */ });

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// 使用本地资源

let fdPath = 'fd://';

let file = await fs.open(pathToVideoFile);

fdPath += file.fd;

this.avPlayer.url = fdPath;

// 或使用网络资源（确保已申请网络权限）

this.avPlayer.url = 'http://example.com/video.mp4';

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// 假设this.surfaceID已经从XComponent获取

this.avPlayer.surfaceId = this.surfaceID;

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await this.avPlayer.prepare();

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this.avPlayer.play();

this.avPlayer.pause();

this.avPlayer.seek(100); // 跳转到100秒处

this.avPlayer.stop();

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this.avPlayer.reset(); // 重置资源，以便更换播放文件

this.avPlayer.release(); // 释放资源，退出播放

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// 导入所需模块

import media from '@';

import fs from '@ohos.file.fs';

import common from '@ohos.app.ability.common';

export class AVPlayerDemo {

  private avPlayer;

  private surfaceID; // 需要从UI组件获取

  constructor() {

    this.initPlayer();

  }

  async initPlayer() {

    this.avPlayer = await media.createAVPlayer();

    this.setupEventListeners();

    // 假定此路径指向一个有效的视频文件

    let pathToVideoFile = '/path/to/your/video.mp4';

    let file = await fs.open(pathToVideoFile);

    let fdPath = 'fd://' + file.fd;

    this.avPlayer.url = fdPath;

    this.surfaceID = this.getSurfaceIDFromUIComponent(); // 实现此方法以获取SurfaceID

    this.avPlayer.surfaceId = this.surfaceID;

    try {

      await this.avPlayer.prepare();

      this.avPlayer.play();

    } catch (err) {

      console.error('Error during preparation or playback:', err);

    }

  }

  setupEventListeners() {

    // 省略具体实现，参照上述代码段设置监听事件

  }

  // 获取SurfaceID的方法需自行实现

  getSurfaceIDFromUIComponent() {

    // ...

  }

}