public MusicAiff(FormFile aFormFile)
{
FormChunkListAiff lAiffForm = ( FormChunkListAiff )aFormFile.formChunkList;
FormChunkSsnd lSsndChunk = lAiffForm.chunkSsnd;
name = aFormFile.name;
int position = ( int )lSsndChunk.position;
int length = lSsndChunk.dataSize;
FormChunkComm lChunkComm = lAiffForm.chunkComm;
Channels = lChunkComm.numberOfChannels;
SampleRate = ( int )lChunkComm.sampleRate;
sampleBits = lChunkComm.bitsPerSamples;
SampleLength = length / (sampleBits / 8) / Channels;
sampleMeanArray = new float[SampleLength];
if (name != null)
{
using (FileStream u = new FileStream(name, FileMode.Open, FileAccess.Read))
{
ByteArray lByteArray = new ByteArrayBig(u);
lByteArray.SetPosition(position);
for (int i = 0; i < SampleLength; i++)
{
float value = 0.0f;
for (int j = 0; j < Channels; j++)
{
if (sampleBits == 16)
{
value += ( float )lByteArray.ReadInt16() / ( float )0x8000;
}
else if (sampleBits == 24)
{
value += ( float )lByteArray.ReadInt24() / ( float )0x800000;
}
}
sampleMeanArray[i] = value / Channels;
}
}
}
int lSampleLoopStart = 0;
int lSampleLoopEnd = 0;
Loop = new List <List <LoopInformation> >();
Loop.Add(new List <LoopInformation>());
Loop[0].Add(new LoopInformation(SampleRate, lSampleLoopStart, lSampleLoopEnd));
}
public WaveformAiff(FormFile aFormFile)
: base()
{
FormChunkListAiff aAiffForm = ( FormChunkListAiff )aFormFile.formChunkList;
FormChunkSsnd lSsndChunk = aAiffForm.chunkSsnd;
int lPosition = ( int )lSsndChunk.position;
int lLength = lSsndChunk.dataSize;
FormChunkComm lChunkComm = aAiffForm.chunkComm;
int lChannels = lChunkComm.numberOfChannels;
int lSampleRate = ( int )lChunkComm.sampleRate;
int lSampleBits = lChunkComm.bitsPerSamples;
int lSamples = lLength / (lSampleBits / 8) / lChannels;
format = new FormatWaweform(lChannels, lSamples, lSampleRate, lSampleBits);
data = new WaveformData(format, null, aFormFile.name, lPosition);
}
