有没有一种方法可以使用just_audio快进?

时间:2020-05-15 08:36:06

标签: android flutter audio mobile

我正在使用just_audio,效果很好。

但是似乎找不到快速前进或快退的方法。

2 个答案:

答案 0 :(得分:0)

没有内置的快进或快退功能,但是您可以编写一个循环,尝试搜索currentPosition + Duration(seconds: 10),然后重复睡眠1秒钟。这是在audio_service示例中使用类似于以下内容的帮助器类实现的方式:

class Seeker {
  /// A reference to your just_audio player
  final AudioPlayer player;
  final Duration positionInterval;
  final Duration stepInterval;
  final Duration fileDuration;
  bool _running = false;

  Seeker(
    this.player,
    this.positionInterval,
    this.stepInterval,
    this.fileDuration,
  );

  start() async {
    _running = true;
    while (_running) {
      Duration newPosition = player.position + positionInterval;
      if (newPosition < Duration.zero) newPosition = Duration.zero;
      if (newPosition > fileDuration) newPosition = fileDuration;
      player.seek(newPosition);
      await Future.delayed(stepInterval);
    }
  }

  stop() {
    _running = false;
  }
}

要通过每1秒以10秒的间隔向前跳跃来开始快进,请使用:

      seeker = Seeker(player, Duration(seconds: 10),
          Duration(seconds: 1), mediaItem)
        ..start();

并使用以下命令停止快进:

seeker.stop();

要快退,只需以负数10秒过去。

答案 1 :(得分:0)

player.seek(Duration(seconds: player.position.inSeconds - 15)); 倒带 15 秒 player.seek(Duration(seconds: player.position.inSeconds + 15)); 前进 15 秒'

 IconButton(
      icon: Icon(
        Icons.replay_10,
        color: Colors.white,
      ),
      iconSize: 25,
      onPressed: () async {
        await player.seek(Duration(seconds: player.position.inSeconds - 15));
      },
    )`

player 来自 AudioPlayer player