public MusicPcm(RiffWaveRiff aRiffFile)
{
Name = aRiffFile.name;
Waveform = new WaveformReaderPcm(aRiffFile, false);
Length = new SoundTime(Waveform.format.sampleRate, Waveform.format.samples);
RiffWaveSmpl lRiffWaveSmpl = ( RiffWaveSmpl )aRiffFile.GetChunk(RiffWaveSmpl.ID);
if (lRiffWaveSmpl != null)
{
loopList = new List <List <LoopInformation> >();
int lIndex = -1;
int lLoopLength = -1;
for (int i = 0; i < lRiffWaveSmpl.sampleLoops; i++)
{
SampleLoop lLoop = lRiffWaveSmpl.sampleLoopList[i];
if (( int )(lLoop.end - lLoop.start) == lLoopLength)
{
}
else
{
loopList.Add(new List <LoopInformation>());
lLoopLength = ( int )(lLoop.end - lLoop.start);
lIndex++;
}
loopList[lIndex].Add(new LoopInformation(Length.sampleRate, ( int )lLoop.start, ( int )lLoop.end));
}
}
else
{
loopList = new List <List <LoopInformation> >();
loopList.Add(new List <LoopInformation>());
loopList[0].Add(new LoopInformation(Length.sampleRate, -1, -1));
}
Loop = GetLoop(0, 0);
}
//--Methods
public SamplerChunk(string id, int size, BinaryReader reader)
: base(id, size)
{
smplManufacturer = reader.ReadInt32();
smplProduct = reader.ReadInt32();
smplSamplePeriod = reader.ReadInt32();
smplMidiUnityNote = reader.ReadInt32();
smplMidiPitchFraction = reader.ReadUInt32();
smplSmpteFormat = reader.ReadInt32();
smplSmpteOffset = reader.ReadInt32();
int smplSampleLoops = reader.ReadInt32();
int smplSamplerData = reader.ReadInt32();
smplLoops = new SampleLoop[smplSampleLoops];
for (int x = 0; x < smplLoops.Length; x++)
{
smplLoops[x] = new SampleLoop(reader);
}
smplData = reader.ReadBytes(smplSamplerData);
if (size % 2 == 1 && reader.PeekChar() == 0)
reader.ReadByte();
}
public RiffSubchunk_smpl(byte[] data)
{
this.data = data;
tag = "smpl";
BinaryReader br = new BinaryReader(new MemoryStream(data));
br.BaseStream.Position += 7 * 4; //skip unusued fields
int numLoops = br.ReadInt32();
br.BaseStream.Position += 4; //skip sampler data
for (int i = 0; i < numLoops; i++)
{
var sl = new SampleLoop();
sl.CuePointId = br.ReadInt32();
sl.Type = br.ReadInt32();
sl.Start = br.ReadInt32();
sl.End = br.ReadInt32();
sl.Fraction = br.ReadInt32();
sl.PlayCount = br.ReadInt32();
SampleLoops.Add(sl);
}
}
//--Methods
public SamplerChunk(string id, int size, BinaryReader reader)
: base(id, size)
{
smplManufacturer = reader.ReadInt32();
smplProduct = reader.ReadInt32();
smplSamplePeriod = reader.ReadInt32();
smplMidiUnityNote = reader.ReadInt32();
smplMidiPitchFraction = reader.ReadUInt32();
smplSmpteFormat = reader.ReadInt32();
smplSmpteOffset = reader.ReadInt32();
int smplSampleLoops = reader.ReadInt32();
int smplSamplerData = reader.ReadInt32();
smplLoops = new SampleLoop[smplSampleLoops];
for (int x = 0; x < smplLoops.Length; x++)
{
smplLoops[x] = new SampleLoop(reader);
}
smplData = reader.ReadBytes(smplSamplerData);
if (size % 2 == 1 && reader.PeekChar() == 0)
{
reader.ReadByte();
}
}
private string CreateSfzList(string aDirectory)
{
Dictionary <int, string> lFileNameDictionary = new Dictionary <int, string>();
Dictionary <int, int> lToneDictionary = new Dictionary <int, int>();
string lDirectoryName = Path.GetFileName(aDirectory);
string[] lFilePathArray = Directory.GetFiles(aDirectory, "*.wav", SearchOption.TopDirectoryOnly);
Dictionary <string, int> lLoopStartDictionary = new Dictionary <string, int>();
Dictionary <string, int> lLoopEndDictionary = new Dictionary <string, int>();
for (int i = 0; i < lFilePathArray.Length; i++)
{
string lFileName = Path.GetFileName(lFilePathArray[i]);
string[] separatedStringArrayDot = lFileName.Split('.');
int separatedNumDot = separatedStringArrayDot.Length;
lLoopStartDictionary.Add(lFileName, 0);
lLoopEndDictionary.Add(lFileName, 0);
if (separatedNumDot >= 3)
{
string pitchNotation = separatedStringArrayDot[separatedNumDot - 2];
string[] separateStringArrayAtmark = pitchNotation.Split('@');
int separatedNumAtmark = separateStringArrayAtmark.Length;
if (separatedNumAtmark >= 1)
{
int keycenterActual = GetPitchNotation(separateStringArrayAtmark[0]);
int keycenterDestination = keycenterActual;
if (separatedNumAtmark == 2)
{
keycenterDestination = GetPitchNotation(separateStringArrayAtmark[1]);
}
if (lFileNameDictionary.ContainsKey(keycenterDestination) == false)
{
lFileNameDictionary.Add(keycenterDestination, Path.GetFileName(lFilePathArray[i]));
}
if (lToneDictionary.ContainsKey(keycenterDestination) == false)
{
lToneDictionary.Add(keycenterDestination, (keycenterActual - keycenterDestination) * 100);
}
}
}
RiffWaveRiff lRiffWaveRiff = new RiffWaveRiff(lFilePathArray[i]);
RiffWaveSmpl lRiffWaveSmpl = ( RiffWaveSmpl )lRiffWaveRiff.GetChunk(RiffWaveSmpl.ID);
if (lRiffWaveSmpl != null)
{
if (lRiffWaveSmpl.sampleLoopList[0] != null)
{
SampleLoop lLoop = lRiffWaveSmpl.sampleLoopList[0];
lLoopStartDictionary[lFileName] = ( int )lLoop.start;
lLoopEndDictionary[lFileName] = ( int )lLoop.end;
}
}
}
string lSfz = "";
lSfz += "<group>\n";
lSfz += "loop_mode=no_loop\n";
//sfz += "loop_mode=loop_continuous\n";
lSfz += "ampeg_release=0.250\n";
lSfz += "\n";
int lokey = 0;
int hikey = 127;
for (int i = 0; i < 128; i++)
{
if (lFileNameDictionary.ContainsKey(i) == true)
{
lSfz += "<region>\n";
lSfz += "sample=" + lDirectoryName + "/" + lFileNameDictionary[i] + "\n";
lSfz += "pitch_keycenter=" + i + "\n";
for (hikey = i + 1; hikey < 127; hikey++)
{
if (lFileNameDictionary.ContainsKey(hikey) == true)
{
hikey--;
break;
}
}
lSfz += "lokey=" + lokey + "\n";
lSfz += "hikey=" + hikey + "\n";
if (lLoopStartDictionary[lFileNameDictionary[i]] != 0 || lLoopEndDictionary[lFileNameDictionary[i]] != 0)
{
lSfz += "loop_start=" + lLoopStartDictionary[lFileNameDictionary[i]] + "\n";
lSfz += "loop_end=" + lLoopEndDictionary[lFileNameDictionary[i]] + "\n";
}
if (lToneDictionary.ContainsKey(i) == true)
{
lSfz += "tune=" + lToneDictionary[i] + "\n";
}
else
{
lSfz += "tune=0\n";
}
lSfz += "\n";
lokey = hikey + 1;
}
}
return(lSfz);
}
public MusicWave(RiffFile aRiffFile)
{
RiffChunkListWave lWaveRiff = ( RiffChunkListWave )aRiffFile.riffChunkList;
nameFile = aRiffFile.name;
bytePosition = ( int )lWaveRiff.dataChunk.position;
byteSize = ( int )lWaveRiff.dataChunk.size;
Channels = lWaveRiff.fmt_Chunk.channels;
SampleRate = ( int )lWaveRiff.fmt_Chunk.samplesPerSec;
sampleBits = lWaveRiff.fmt_Chunk.bitsPerSample;
SampleLength = ( int )(byteSize / (sampleBits / 8) / Channels);
sampleArray = new float[Channels][];
if (LENGTH_BUFFER == 0)
{
lengthBuffer = SampleLength;
}
else
{
lengthBuffer = LENGTH_BUFFER;
}
for (int i = 0; i < Channels; i++)
{
sampleArray[i] = new float[lengthBuffer];
}
startPosition = 0x7FFFFFFF;
if (lWaveRiff.smplChunk != null)
{
Loop = new List <List <LoopInformation> >();
int lIndex = -1;
int lLoopLength = -1;
for (int i = 0; i < lWaveRiff.smplChunk.sampleLoops; i++)
{
SampleLoop lLoop = lWaveRiff.smplChunk.sampleLoopList[i];
if (( int )(lLoop.end - lLoop.start) == lLoopLength)
{
}
else
{
Loop.Add(new List <LoopInformation>());
lLoopLength = ( int )(lLoop.end - lLoop.start);
lIndex++;
}
Loop[lIndex].Add(new LoopInformation(SampleRate, ( int )lLoop.start, ( int )lLoop.end));
}
}
else
{
Loop = new List <List <LoopInformation> >();
Loop.Add(new List <LoopInformation>());
Loop[0].Add(new LoopInformation(SampleRate, 0, 0));
}
}
