当从内部统一调用“CSCore”时，soundOut.Play崩溃

Question

当试图使用加载在CSCore项目中的Unity3D播放声音时，编辑器将终止。

        IWaveSource audio = CodecFactory.Instance.GetCodec(pathToMP3File);
        ISoundOut device = new WasapiOut();
        device.Initialize(audio);

        device.Play(); // the call causing the crash

我选择的输出(WasapiOut、DirectSoundOut、WaveOut)不会改变结果。

CSCore.dll已在VS 2015中通过“Unity3.5 .net全基类库”目标设置进行了编译。这是完整的脚本：

using UnityEngine;

using CSCore;
using CSCore.Codecs;
using CSCore.SoundOut;
using System.Threading;

public class CScorePlayback : MonoBehaviour {

    static string testAudio = "C:/Path/to/audio.mp3";

    IWaveSource audioSource;
    ISoundOut audioDevice;
    Thread audioThread;

    void Start () {
        audioThread = new Thread(PlaySoundTest);
        audioThread.Start();
    }

    void PlaySoundTest()
    {
        audioSource = CodecFactory.Instance.GetCodec(testAudio);
        audioDevice = new WaveOut();
        audioDevice.Initialize(audioSource);

        try
        {
            audioDevice.Play();
            Debug.Log("Sound Played!");
        }
        catch (System.Exception e)
        {
            Debug.Log("Error playing sound: " + e.Message);
        }
    }

    void OnDestroy()
    {
        if (audioThread != null) audioThread.Join();
        if (audioDevice != null)
        {
            audioDevice.Dispose();
        }
        if (audioSource != null)
        {
            audioSource.Dispose();
        }
    }
}

Answer 1

我建议您做的第一件事是将崩溃的Play()函数放在that块中。

void Start()
{

    IWaveSource audio = CodecFactory.Instance.GetCodec(pathToMP3File);
    ISoundOut device = new WasapiOut();
    device.Initialize(audio);

    try
    {
        device.Play(); // the call causing the crash
        Debug.Log("Sound Played!");
    }
    catch (System.Exception e)
    {
        Debug.Log("Error playing sound: " + e.Message);
    }
}

如果它崩溃，请查看是否有一条消息打印出来。编辑您的问题并发布错误消息。

现在还尝试在其他线程中调用整个函数，以确保这不是问题所在。让我知道在这两种情况下发生了什么。

void Start()
{
    playSound();
}

void playSound()
{
    new System.Threading.Thread(___playSound)
    {

    }.Start();
}

void ___playSound()
{

    IWaveSource audio = CodecFactory.Instance.GetCodec(pathToMP3File);
    ISoundOut device = new WasapiOut();
    device.Initialize(audio);

    try
    {
        device.Play(); // the call causing the crash
        Debug.Log("Sound Played!");
    }
    catch (System.Exception e)
    {
        Debug.Log("Error playing sound: " + e.Message);
    }
}