AVPlayer流式传输进度 [英] AVPlayer streaming progress

问题描述

我成功使用 AVPlayer 从服务器传输音频，我现在要做的是显示自定义 UISlider 谁显示缓冲的进度。

I'm successfully using AVPlayer to stream audio from a server and what I want to do now is to show a custom UISlider who shows the progress of the buffering.

这样的事情：

使用 AVPlayer 似乎没有办法获得音频文件的总下载大小或当前下载量，只有当前播放时间和总播放时间。

With AVPlayer there doesn't seem to be a way to get the total download size or the current downloaded amount for the audio file, only the current playing time and total play time.

这有什么变通方法吗？

推荐答案

我正在研究这个问题，到目前为止还有以下几点：

I am just working on this, and so far have the following:

- (NSTimeInterval) availableDuration;
{
  NSArray *loadedTimeRanges = [[self.player currentItem] loadedTimeRanges];
  CMTimeRange timeRange = [[loadedTimeRanges objectAtIndex:0] CMTimeRangeValue];
  Float64 startSeconds = CMTimeGetSeconds(timeRange.start);
  Float64 durationSeconds = CMTimeGetSeconds(timeRange.duration);
  NSTimeInterval result = startSeconds + durationSeconds;
  return result;
}

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