public void ReceiveInfo(BASS_SAMPLE localInfo)
{
frequency = localInfo.freq;
channels = localInfo.chans;
Debug.Log("freq = " + frequency + "| channels = " + channels);
Draw();
}
internal static long FindSilence(int sample)
{
if (sample == -1 || sample == 0)
{
return(0);
}
long count;
if (SilenceCache.TryGetValue(sample, out count))
{
return(count);
}
int threshold = 500;
BASS_SAMPLE bs = Bass.BASS_SampleGetInfo(sample);
if (bs == null)
{
return(0);
}
short[] buffer = new short[bs.length];
Bass.BASS_SampleGetData(sample, buffer);
int b = buffer.Length;
int a;
b = b / 2; // bytes -> samples (16-bit!)
for (a = 0; a < b; a++)
{
// count silent samples
if (Math.Abs(buffer[a]) >= threshold)
{
break;
}
}
// now 'a' points to the sample position
count += a * 2; // since 'a' was the 16-bit index, this is now the BYTE offset!
if (a < b)
{
// sound has begun!
// move back to a quieter sample (to avoid "click")
while (a > 0 && Math.Abs(buffer[a]) >= threshold / 4)
{
a--;
count -= 2;
}
}
SilenceCache[sample] = count;
return(count);
}
/// <summary>
/// Initializes a <see cref="BASSSoundEffect"/> instance from the specified data.
/// </summary>
private static void InitializeSampleData(Byte[] fileData, out UInt32 sample, out BASS_SAMPLE sampleInfo, out IntPtr sampleData)
{
sample = BASS_SampleLoad(fileData, 0, (UInt32)fileData.Length, UInt16.MaxValue, 0);
if (!BASSUtil.IsValidHandle(sample))
{
throw new BASSException();
}
if (!BASS_SampleGetInfo(sample, out sampleInfo))
{
throw new BASSException();
}
sampleData = Marshal.AllocHGlobal((Int32)sampleInfo.length);
if (!BASS_SampleGetData(sample, sampleData))
{
throw new BASSException();
}
}
/// <summary>
/// Gets the sound effect's sample information.
/// </summary>
/// <param name="data">The sound effect's raw PCM sample data.</param>
/// <param name="info">The sound effect's sample info.</param>
/// <returns>The handle to the sound effect's BASS sample.</returns>
public UInt32 GetSampleInfo(out IntPtr data, out BASS_SAMPLE info)
{
data = this.sampleData;
info = this.sampleInfo;
return(sample);
}
/// <summary>
/// Imports an mp3 file. Only the start of a file is actually imported.
/// The remaining part of the file will be imported bit by bit to speed things up.
/// </summary>
/// <returns>
/// Audioclip containing the song.
/// </returns>
/// <param name='filePath'>
/// Path to mp3 file.
/// </param>
///
public AudioClip ImportFile(string filePath)
{
//get license from http://bass.radio42.com/bass_purchase.html
//Un4seen.Bass.BassNet.Registration ("email", "key");
if (Bass.BASS_Init(-1, 44100, BASSInit.BASS_DEVICE_DEFAULT, IntPtr.Zero))
{
sample = Bass.BASS_SampleLoad(filePath, 0, 0, 1, BASSFlag.BASS_SAMPLE_FLOAT);
BASS_SAMPLE info = Bass.BASS_SampleGetInfo(sample);
int lengthSamples = (int)(info.length / sizeof(float));
audioClip = AudioClip.Create(Path.GetFileNameWithoutExtension(filePath), lengthSamples / info.chans, info.chans, info.freq, false, false);
float[] data = new float[lengthSamples];
Bass.BASS_SampleGetData(sample, data);
//Debug.Log("Sample Length: " + lengthSamples);
TAG_INFO tagInfo = new TAG_INFO(filePath);
//SendMessage("ReceiveTagInfo", tagInfo, SendMessageOptions.RequireReceiver);
//SendMessage("ReceiveSamples", data, SendMessageOptions.RequireReceiver);
//SendMessage("ReceiveInfo", info, SendMessageOptions.RequireReceiver);
GlobalData.samples = data;
GlobalData.tagInfo = tagInfo;
GlobalData.sinfo = info;
audioClip.SetData(data, 0);
/*-------------------------------------!-!-!-!------------------------------------------*/
Debug.Log("Data Length: " + data.Length);
string tempS = " ";
//for (int i = 0; i < data.Length; i += 2048)
//{
// tempS += data[i].ToString() + Environment.NewLine;
//}
//System.IO.File.WriteAllText(@"C:\Users\Rafatdin\Desktop\Bass\Samples.txt", tempS);
float[] arrayOfAverages = new float[data.Length / 88200 + 1];
for (int i = 1; i < data.Length / 88200; i++)
{
float average = 0;
for (int ii = i * 88200; ii < i * 88200 + 88200; ii++)
{
average += data[ii];
}
average /= 44100;
arrayOfAverages[i] = average * 10;
tempS += average.ToString() + Environment.NewLine;
}
GlobalData.processedSamples = arrayOfAverages;
//System.IO.File.WriteAllText(@"C:\Users\Rafatdin\Desktop\Bass\Samples.txt", tempS);
/*-------------------------------------!-!-!-!------------------------------------------*/
// free the Sample
Bass.BASS_SampleFree(sample);
// free BASS
Bass.BASS_Free();
Application.LoadLevel("3LaneWay");
}
else
{
Debug.Log(Bass.BASS_ErrorGetCode());
if (Bass.BASS_ErrorGetCode().ToString().Equals("BASS_ERROR_ALREADY"))
{
Bass.BASS_Free();
ImportFile(filePath);
}
}
return(audioClip);
}
/// <summary>
/// Gets the sound effect's sample data.
/// </summary>
/// <param name="data">The sound effect's raw PCM sample data.</param>
/// <param name="info">The sound effect's sample info.</param>
/// <returns>The handle to the sound effect's BASS sample.</returns>
internal UInt32 GetSampleData(out IntPtr data, out BASS_SAMPLE info)
{
data = this.data;
info = this.sampleInfo;
return(sample);
}
public void ReceiveInfo(BASS_SAMPLE localInfo)
{
frequency = localInfo.freq;
channels = localInfo.chans;
GlobalData.sinfo = localInfo;
}
public bool SampleSetInfo(int hand, BASS_SAMPLE bSample)
{
return(Native.NativeMethods.BASS_SampleSetInfo(hand, bSample));
}
