public override void Dispose()
{
DisposeStream();
if (RawWaveData != null)
{
Array.Clear(RawWaveData, 0, RawWaveData.Length);
RawWaveData = null;
}
this.wformat = null;
this.WaveForm = null;
}
/// <summary>
/// Returns the Index where reading begins for a wave-sample (<see cref="RiffForm" />) in memory.
/// </summary>
/// <param name="riff">Our ram/riff-wave.</param>
/// <returns>Index where reading begins</returns>
public static int FindSampleStart(RiffForm riff)
{
int start = -1;
// if (!MustReadFromDisk)
{
foreach (KeyValuePair <long, SUBCHUNK> ck in riff.Cks.SubChunks)
{
if (ck.Value.ckID == "data")
{
start = Convert.ToInt32(ck.Key) + 8;
}
}
}
return(start);
}
void InitializeMemory(string path)
{
this.WaveForm = RiffForm.Load(path);
this.wformat = RiffUtil.ToNAudio(this.WaveForm.Cks.ckFmt);
sampleData_ChunkLength = this.WaveForm["data"].ckLength;
SampleData_SampleCount = SampleData_ChunkLength / WaveFormat.Channels;
sampleData_DataStart = RiffUtil.FindSampleStart(this.WaveForm);
RawWaveData = new byte[sampleData_ChunkLength];
using (waveFileInputStream = new FileStream(
this.FilePath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
{
waveFileInputStream.Seek(sampleData_DataStart, SeekOrigin.Begin);
waveFileInputStream.Read(RawWaveData, /*sampleData_DataStart*/ 0, SampleData_ChunkLength);
}
}
