Android版的Soundpool有时播放声音时，两次循环参数设置为0 [英] Android SoundPool sometimes plays sound twice when loop param is set to 0

问题描述

下面是我在做什么：

private SoundPool pool;
private int soundId;

@Override
public void onCreate(Bundle savedInstanceState)
{
  super.onCreate(savedInstanceState);

  // new SoundPool with three channels, STREAM_MUSIC, default quality
  pool = new SoundPool(3, AudioManager.STREAM_MUSIC, 0);

  // load sound with current context, click resource, priority 1
  soundId = pool.load(this, R.raw.click, 1);

  // originally I wasn't using this but it seemed to help a bit
  // set no loop for soundId
  pool.setLoop(soundId, 0);
}

private void play()
{
  Log.v(TAG, "Play the sound once!");

  // half volume L & R, priority 1, loop 0, rate 1
  pool.play(soundId, 0.5f, 0.5f, 1, 0, 1);
}

@Override
public void onDestroy()
{
  super.onDestroy();

  // release the pool
  pool.release();
}

本来我是使用点击声音.wav文件，并会出现90％的时间的问题。我说setLoop，它似乎减少它一点点。

Originally I was using a .wav file for the click sound and the problem would occur 90% of the time. I added setLoop and it appears to reduce it a tiny bit.

我是这么认为的我转换为.mp3文件可能是与装载.wav文件的一个问题。现在的问题发生的5％的时间，但它仍然发生。我建了有和没有setLoop电话，看来，包括它有助于一点点。

I thought it might be a problem with loading .wav files so I converted the file to .mp3. Now the problem happens 5% of the time, but it still happens. I built with and without the setLoop call and it appears that including it helps a tiny bit.

正如你可以看到我已经添加了一个调试日志信息，以确保我不小心调用播放功能的两倍。根据日志输出，声音只打过一次，但我听到声音的两倍。

As you can see I have added a debug log message to ensure that I am not accidentally calling the play function twice. According to the log output, the sound is only played once but I hear the sound twice.

我也用几种不同的声音文件。某些文件似乎比其他人更频繁地重复。我没有看到任何相关性，除了它与.wav文件发生更频繁。

I have also used several different sound files. Some of the files seem to repeat more frequently than others. I don't see any correlations except it happens more frequently with .wav files.

我看到发生在三星的连续运行问题2.1（分和放大器;目标API：7级）。我没有经历过任何市场中的应用，我在同一设备上下载任何额外的循环。不幸的是，我没有其他设备进行测试。

I see the problem happening on Samsung Continuum running 2.1 (min & target API: level 7). I haven't experienced any extra looping with any market apps I've downloaded on the same device. Unfortunately, I don't have other devices to test with.

我只发现了另外一个人遇到这个问题，他或她还使用了三星的设备。

I have only found one other person experiencing this issue and he or she was also using a Samsung device.

下面是其他问题的链接报道：

Here is a link to the other issue reported:

我的.wav文件有时环比他们更应该

在这一点上我想我会尽力做一个发布版本，看看它仍然发生，然后可能转化为.OGG格式。之后，我可能会尝试切换到MediaPlayer的，看我是否得到相同的结果。

At this point I guess I'll try making a release build to see if it still happens and then maybe convert to .ogg format. After that I'll probably try switching to MediaPlayer to see if I get the same results.

感谢您的帮助。

推荐答案

我遇到同样的问题，同时为我的10 XPERIA mini pro的（Android 2.1系统）。这个问题的答案接受为我工作：

I was experiencing the same problem while developing for my XPeria 10 mini pro (Android 2.1). The accepted answer of this issue worked for me:

问题与的Soundpool和三星Galaxy S

这篇关于Android版的Soundpool有时播放声音时，两次循环参数设置为0的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！