Streaming music from StreamingAssets folder

Questions & Answers
1

Hi all
I have problem with streaming music from StreamingAssets folder. I need this for custom player soundtracks. It takes much memory.

I did some testing (10 ogg files - total 61,3MB) of uncompressed loading and streaming.

![1]
(“Empty” means empty project with no audio and “Inside” means audio files inside Assets folder)
Memory is changing when streaming around ± 20MB

Streaming from StreamingAssets (what I need) takes such memory.
And there is another problem which other not have. When streaming music 1, play next music and then play music 1 again, it is not playing! Only silence.

I storing clips on array of AudioClip called clips.
Here is my loading code

IEnumerator LoadAllClips(bool streaming)
{
//... more code

// Request to our file on HDD
WWW request = new WWW("file:///" + filePath);
yield return StartCoroutine(WaitForRequest(request));

// Get audio clip and rename it
AudioClip clip = request.GetAudioClip(true, streaming);
clip.name = fileName;

// Add to array
clips *= clip;*

// … more code
}
I can store only file paths and doing WWW requests runtime. But it will be more work and more complicated.
Is there a better way?
(btw: forum gives me “Your content can not be submitted. error”)
*

2

No reply?
Unity community is well…

I found solution but it is complicated.
I store only paths to files in array and doing WWW request before play required clip. (storing WWW requests not helped)

Music Player

void Play(string fileName)
{
    // Unload audio clip
    if (myAudioSource.clip != null)
    {
        myAudioSource.Stop();
        AudioClip clip = myAudioSource.clip;
        myAudioSource.clip = null;
        clip.UnloadAudioData();
        DestroyImmediate(clip, false); // This is important to avoid memory leak
    }

    // Load Clip then assign to audio source and play
    manager.LoadClip(fileName, (clip) => { myAudioSource.clip = clip; myAudioSource.Play(); });
}

Music Manager

public void LoadClip(string fileName, Action<AudioClip> onLoadingCompleted)
{
    StartCoroutine(LoadClipCoroutine("file:///" + fileName, onLoadingCompleted));
}

IEnumerator LoadClipCoroutine(string file, Action<AudioClip> onLoadingCompleted)
{
    WWW request = new WWW(file);
    yield return request;

    if (onLoadingCompleted != null)
        onLoadingCompleted(request.GetAudioClip(true, true));

    request.Dispose();
}

If anybody have better solution, please let me know.