public static bool Convert2ReaEQ(REWEQFilters filters, string filePath)
{
List<ReaEQBand> ReaEqBands = new List<ReaEQBand>();
foreach (REWEQBand filter in filters) {
ReaEQBand band = new ReaEQBand();
band.LogScaleAutoFreq = true;
band.FilterFreq = filter.FilterFreq;
band.FilterGain = filter.FilterGain;
band.FilterBWOct = filter.FilterBWOct;
band.Enabled = filter.Enabled;
switch (filter.FilterType) {
case REWEQFilterType.PK:
band.FilterType = ReaEQFilterType.Band;
break;
case REWEQFilterType.LP:
band.FilterType = ReaEQFilterType.LowPass;
break;
case REWEQFilterType.HP:
band.FilterType = ReaEQFilterType.HighPass;
break;
case REWEQFilterType.LS:
band.FilterType = ReaEQFilterType.LowShelf;
break;
case REWEQFilterType.HS:
band.FilterType = ReaEQFilterType.HighShelf;
break;
default:
band.FilterType = ReaEQFilterType.Band;
break;
}
ReaEqBands.Add(band);
}
// store to file
FXP fxp = new FXP();
fxp.ChunkMagic = "CcnK";
fxp.ByteSize = 0; // will be set correctly by FXP class
fxp.FxMagic = "FPCh"; // FPCh = FXP (preset), FBCh = FXB (bank)
fxp.Version = 1; // Format Version (should be 1)
fxp.FxID = "reeq";
fxp.FxVersion = 1100;
fxp.ProgramCount = 1;
fxp.Name = "";
using(MemoryStream memStream = new MemoryStream(10))
{
BinaryFile binFile = new BinaryFile(memStream, BinaryFile.ByteOrder.LittleEndian);
binFile.Write((int)33);
binFile.Write((int)ReaEqBands.Count);
foreach (ReaEQBand band in ReaEqBands) {
binFile.Write((int) band.FilterType);
binFile.Write((int) (band.Enabled ? 1 : 0) );
binFile.Write((double) band.FilterFreq);
binFile.Write((double) Decibel2AmplitudeRatio(band.FilterGain));
binFile.Write((double) band.FilterBWOct);
binFile.Write((byte) 1);
}
binFile.Write((int)1);
binFile.Write((int)1);
binFile.Write((double) Decibel2AmplitudeRatio(0.00));
binFile.Write((int)0);
memStream.Flush();
byte[] chunkData = memStream.GetBuffer();
fxp.ChunkSize = chunkData.Length;
fxp.ChunkDataByteArray = chunkData;
}
fxp.WriteFile(filePath);
return true;
}
public bool WriteFXP(string filePath) {
FXP fxp = new FXP();
fxp.ChunkMagic = "CcnK";
fxp.ByteSize = 0; // will be set correctly by FXP class
// Preset (Program) (.fxp) with chunk (magic = 'FPCh')
fxp.FxMagic = "FPCh"; // FPCh = FXP (preset), FBCh = FXB (bank)
fxp.Version = 1; // Format Version (should be 1)
fxp.FxID = "J9AU";
fxp.FxVersion = 1;
fxp.ProgramCount = 36; // I.e. nummber of parameters
fxp.Name = PresetName;
byte[] chunkData = GetChunkData();
fxp.ChunkSize = chunkData.Length;
fxp.ChunkDataByteArray = chunkData;
fxp.WriteFile(filePath);
return true;
}
public void SaveFXP(string filePath)
{
bool UseChunk = false;
if ((PluginContext.PluginInfo.Flags & VstPluginFlags.ProgramChunks) == 0) {
// Chunks not supported.
UseChunk = false;
} else {
// Chunks supported.
UseChunk = true;
}
FXP fxp = new FXP();
fxp.ChunkMagic = "CcnK";
fxp.ByteSize = 0; // will be set correctly by FXP class
if (UseChunk) {
// Preset (Program) (.fxp) with chunk (magic = 'FPCh')
fxp.FxMagic = "FPCh"; // FPCh = FXP (preset), FBCh = FXB (bank)
fxp.Version = 1; // Format Version (should be 1)
fxp.FxID = PluginIDNumberToIDString(PluginContext.PluginInfo.PluginID);
fxp.FxVersion = PluginContext.PluginInfo.PluginVersion;
fxp.ProgramCount = PluginContext.PluginInfo.ProgramCount;
fxp.Name = PluginContext.PluginCommandStub.GetProgramName();
byte[] chunkData = PluginContext.PluginCommandStub.GetChunk(true);
fxp.ChunkSize = chunkData.Length;
fxp.ChunkDataByteArray = chunkData;
} else {
// Preset (Program) (.fxp) without chunk (magic = 'FxCk')
fxp.FxMagic = "FxCk"; // FxCk = FXP (preset), FxBk = FXB (bank)
fxp.Version = 1; // Format Version (should be 1)
fxp.FxID = PluginIDNumberToIDString(PluginContext.PluginInfo.PluginID);
fxp.FxVersion = PluginContext.PluginInfo.PluginVersion;
fxp.ParameterCount = PluginContext.PluginInfo.ParameterCount;
fxp.Name = PluginContext.PluginCommandStub.GetProgramName();
// variable no. of parameters
float[] parameters = new float[fxp.ParameterCount];
for (int i = 0; i < fxp.ParameterCount; i++) {
parameters[i] = PluginContext.PluginCommandStub.GetParameter(i);
}
fxp.Parameters = parameters;
}
fxp.WriteFile(filePath);
}