/* bad, no mp3 support at runtime apparently
* IEnumerator LoadHelper(string uri)
* {
* using (UnityWebRequest www = UnityWebRequestMultimedia.GetAudioClip(uri, AudioType.MPEG))
* {
* yield return www.SendWebRequest();
*
* if (www.isNetworkError)
* {
* statusText.text = www.error;
* }
* else
* {
* statusText.text = "loaded?";
* AudioClip myClip = DownloadHandlerAudioClip.GetContent(www);
* source.clip = myClip;
* }
* }
* }
*/
/* MP3Stream (LGPL so not compatible with how Unity builds)
* IEnumerator LoadHelper(string uri)
* {
* statusText.text = "Loading...";
* UnityWebRequest www = UnityWebRequest.Get(uri);
* yield return www.SendWebRequest();
*
* if(www.isNetworkError || www.isHttpError)
* {
* statusText.text = www.error;
* }
* else
* {
* statusText.text = "loaded";
* // Or retrieve results as binary data
* byte[] results = www.downloadHandler.data;
* var memStream = new System.IO.MemoryStream(results);
* var mp3Stream = new MP3Sharp.MP3Stream(memStream);
*
* var audioDataStream = new System.IO.MemoryStream();
* byte[] buffer = new byte[4096];
* int bytesReturned = -1;
*
* while( bytesReturned != 0 )
* {
* bytesReturned = mp3Stream.Read(buffer, 0, buffer.Length);
* audioDataStream.Write(buffer, 0, bytesReturned);
* }
*
* byte[] audioData = audioDataStream.ToArray();
*
* float[] floatArray = new float[audioData.Length / 2];
* for(int i = 0; i < floatArray.Length; ++i)
* {
* floatArray[i] = (float)(System.BitConverter.ToInt16(audioData, i * 2 ) / 32768.0f);
* }
*
* var clip = AudioClip.Create("foo", floatArray.Length, 2, mp3Stream.Frequency, false);
* clip.SetData(floatArray, 0);
* source.clip = clip;
* }
* }
*/
IEnumerator LoadHelper(string uri)
{
statusText.text = "Loading...";
UnityWebRequest www = UnityWebRequest.Get(uri);
yield return(www.SendWebRequest());
if (www.isNetworkError || www.isHttpError)
{
statusText.text = www.error;
}
else
{
statusText.text = "loaded";
// Or retrieve results as binary data
byte[] results = www.downloadHandler.data;
var memStream = new System.IO.MemoryStream(results);
var mpgFile = new NLayer.MpegFile(memStream);
var samples = new float[mpgFile.Length];
mpgFile.ReadSamples(samples, 0, (int)mpgFile.Length);
var clip = AudioClip.Create("foo", samples.Length, mpgFile.Channels, mpgFile.SampleRate, false);
clip.SetData(samples, 0);
source.clip = clip;
}
}
void MusicBack(float[] data)
{
if (mp3MpgFile.ReadSamples(data, 0, data.Length) == 0)
{
isPlay = false;
Debug.Log("播放完毕");
mp3MpgFile.Dispose();
mp3MpgFile = null;
}
readLen += data.LongLength;
}
void PlayMusic()
{
byte[] buff = File.ReadAllBytes("music/刘昊霖 - 儿时.mp3");
text.text = "刘昊霖 - 儿时";
mp3MpgFile = new NLayer.MpegFile(new MemoryStream(buff));
AudioSource audios = gameObject.GetComponent <AudioSource>();
if (null == audios)
{
audios = gameObject.AddComponent <AudioSource>();
}
audios.clip = AudioClip.Create("clip", (int)mp3MpgFile.Length / 8, mp3MpgFile.Channels,
mp3MpgFile.SampleRate, true, MusicBack);
audios.loop = false;
audios.volume = 1;
audios.Play();
isPlay = true;
}
private IEnumerator loadSongTest()
{
UnityWebRequest audioFile = UnityWebRequest.Get(this.objectSong);
yield return(audioFile.SendWebRequest());
if (audioFile.isNetworkError || audioFile.isHttpError)
{
Debug.Log(audioFile.error);
}
else
{
Debug.Log(this.objectSong + "was found");
byte[] results = audioFile.downloadHandler.data;
var memStream = new System.IO.MemoryStream(results);
var mpgFiles = new NLayer.MpegFile(memStream);
var samples = new float[mpgFiles.Length];
mpgFiles.ReadSamples(samples, 0, (int)mpgFiles.Length);
var clip = AudioClip.Create("convertedFile", samples.Length, mpgFiles.Channels, mpgFiles.SampleRate, false);
clip.SetData(samples, 0);
menuMusic.clip = clip;
}
/*using (UnityWebRequest audioFile = UnityWebRequestMultimedia.GetAudioClip(this.objectSong, AudioType.MPEG))
* {
* yield return audioFile.SendWebRequest();
* if (audioFile.result == UnityWebRequest.Result.ConnectionError)
* Debug.Log(audioFile.error);
* else
* {
* byte[] results = audioFile.downloadHandler.data;
* var memStream = new System.IO.MemoryStream(results);
* var mpgFiles = new NLayer.MpegFile(memStream);
* var samples = new float[mpgFiles.Length];
* mpgFiles.ReadSamples(samples, 0, (int)mpgFiles.Length);
* var clip = AudioClip.Create("convertedFile", samples.Length, mpgFiles.Channels, mpgFiles.SampleRate, false);
* clip.SetData(samples, 0);
* menuMusic.clip = clip;
* }
* }*/
}
IEnumerator AudioImport()
{
Debug.Log("Starting import");
UnityWebRequest www = UnityWebRequest.Get("D:/Temp/Test.mp3");
yield return(www.SendWebRequest());
Debug.Log("File obtained");
byte[] results = www.downloadHandler.data;
var memStream = new System.IO.MemoryStream(results);
var mpgFile = new NLayer.MpegFile(memStream);
var samples = new float[mpgFile.Length];
mpgFile.ReadSamples(samples, 0, (int)mpgFile.Length);
Debug.Log("Samples read");
var clip = AudioClip.Create("foo", samples.Length, mpgFile.Channels, mpgFile.SampleRate, false);
clip.SetData(samples, 0);
Debug.Log("Clip created");
GetComponent <AudioSource>().clip = clip;
GetComponent <AudioSource>().Play();
Debug.Log("Playing audio");
}
internal SDL2MusicTrack (string path) {
_path = path;
_mp3 = new MpegFile(System.IO.Path.Combine("assets", path));
}
