Playing mp3 file with NAudio

Question

I followed the tutorial on NAudio's website on how to load and play an mp3 file, but even though I put the audio file in the right directory, whenever I run, the program crashes with "vshost32.exe has stopped working." Any ideas? I'm using Visual Studio 10.0 on Windows 7.

Here's the (exact) code that the tutorial gave me:

   namespace NAudioTest
   {
       class Program
    {
    static IWavePlayer waveOutDevice;
    static WaveStream mainOutputStream;
    static WaveChannel32 volumeStream;

    static void Main(string[] args)
    {
        waveOutDevice = new WaveOut();
        mainOutputStream = CreateInputStream("Kalimba.mp3");
        waveOutDevice.Init(mainOutputStream);
        waveOutDevice.Play();
    }

    private static WaveStream CreateInputStream(string filename)
    {
        WaveChannel32 inputStream;
        if (filename.EndsWith(".mp3"))
        {
            WaveStream mp3Reader = new Mp3FileReader(filename);
            inputStream = new WaveChannel32(mp3Reader);
        }
        else
        {
            throw new InvalidOperationException("Unsupported extension");
        }
        volumeStream = inputStream;
        return volumeStream;
    }

}
}

(sorry for the poor formatting)

What do you mean by crashes.. can you put break points and step thru the code and explain state which line the error is being thrown..? — MethodMan, Mar 11 '13 at 02:07
It looks like the error is just at the waveOutDevice.play() line, and the NAudioDemo.exe works, but it looks like NAudioDemo.cs has missing files in the project solution? — m00nbeam360, Mar 11 '13 at 02:12

score 0 · Answer 1 · edited May 23 '17 at 10:25

0

Never mind, used this code to get the audio file to work:

How to play a MP3 file using NAudio

 class Program
 {
     static void Main()
     {
         using (var rdr = new Mp3FileReader(filename))
         using (var waveOut = new WaveOut(WaveCallbackInfo.FunctionCallback()))
         {
              waveOut.Play();
              while (waveOut.PlaybackState == PlaybackState.Playing)
              {
                  Thread.Sleep(100);
              }
         }
     }
  }

Is this better? Although I'm not really sure where WaveOutEvent goes. Thanks for all of your help!!

edited May 23 '17 at 10:25

Community

1
1

answered Mar 11 '13 at 08:26

m00nbeam360

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I wouldn't recommend this technique with versions of NAudio newer than 1.3. Get rid of ms, wavStream and baStream - all are unnecessary. Also, WaveOutEvent will be more reliable than using FunctionCallbacks. – Mark Heath Mar 11 '13 at 10:05
Awesome, found another source using WaveOutEvent, much better. Thanks for creating this! – m00nbeam360 Mar 12 '13 at 16:34
@m00nbeam360: Can you provide it (Link or code) for everyone? – Apr 12 '18 at 10:38

Playing mp3 file with NAudio

1 Answers1