public SoundFontPresets(BinaryReader reader)
{
string id = new string(IOHelper.Read8BitChars(reader, 4));
int size = reader.ReadInt32();
if (!id.ToLower().Equals("list"))
{
throw new Exception("Invalid soundfont. Could not find pdta LIST chunk.");
}
long readTo = reader.BaseStream.Position + size;
id = new string(IOHelper.Read8BitChars(reader, 4));
if (!id.ToLower().Equals("pdta"))
{
throw new Exception("Invalid soundfont. The LIST chunk is not of type pdta.");
}
Modulator[] presetModulators = null;
Generator[] presetGenerators = null;
Modulator[] instrumentModulators = null;
Generator[] instrumentGenerators = null;
ZoneChunk pbag = null;
ZoneChunk ibag = null;
PresetHeaderChunk phdr = null;
InstrumentChunk inst = null;
while (reader.BaseStream.Position < readTo)
{
id = new string(IOHelper.Read8BitChars(reader, 4));
size = reader.ReadInt32();
switch (id.ToLower())
{
case "phdr":
phdr = new PresetHeaderChunk(id, size, reader);
break;
case "pbag":
pbag = new ZoneChunk(id, size, reader);
break;
case "pmod":
presetModulators = new ModulatorChunk(id, size, reader).Modulators;
break;
case "pgen":
presetGenerators = new GeneratorChunk(id, size, reader).Generators;
break;
case "inst":
inst = new InstrumentChunk(id, size, reader);
break;
case "ibag":
ibag = new ZoneChunk(id, size, reader);
break;
case "imod":
instrumentModulators = new ModulatorChunk(id, size, reader).Modulators;
break;
case "igen":
instrumentGenerators = new GeneratorChunk(id, size, reader).Generators;
break;
case "shdr":
sHeaders = new SampleHeaderChunk(id, size, reader).SampleHeaders;
break;
default:
throw new Exception("Invalid soundfont. Unrecognized sub chunk: " + id);
}
}
Zone[] pZones = pbag.ToZones(presetModulators, presetGenerators);
pHeaders = phdr.ToPresets(pZones);
Zone[] iZones = ibag.ToZones(instrumentModulators, instrumentGenerators);
insts = inst.ToInstruments(iZones);
}
public SoundFontPresets(IReadable input)
{
var id = input.Read8BitChars(4);
var size = input.ReadInt32LE();
if (id.ToLower() != "list")
{
throw new Exception("Invalid soundfont. Could not find pdta LIST chunk.");
}
var readTo = input.Position + size;
id = input.Read8BitChars(4);
if (id.ToLower() != "pdta")
{
throw new Exception("Invalid soundfont. The LIST chunk is not of type pdta.");
}
Modulator[] presetModulators = null;
Generator[] presetGenerators = null;
Modulator[] instrumentModulators = null;
Generator[] instrumentGenerators = null;
ZoneChunk pbag = null;
ZoneChunk ibag = null;
PresetHeaderChunk phdr = null;
InstrumentChunk inst = null;
while (input.Position < readTo)
{
id = input.Read8BitChars(4);
size = input.ReadInt32LE();
switch (id.ToLower())
{
case "phdr":
phdr = new PresetHeaderChunk(id, size, input);
break;
case "pbag":
pbag = new ZoneChunk(id, size, input);
break;
case "pmod":
presetModulators = new ModulatorChunk(id, size, input).Modulators;
break;
case "pgen":
presetGenerators = new GeneratorChunk(id, size, input).Generators;
break;
case "inst":
inst = new InstrumentChunk(id, size, input);
break;
case "ibag":
ibag = new ZoneChunk(id, size, input);
break;
case "imod":
instrumentModulators = new ModulatorChunk(id, size, input).Modulators;
break;
case "igen":
instrumentGenerators = new GeneratorChunk(id, size, input).Generators;
break;
case "shdr":
SampleHeaders = new SampleHeaderChunk(id, size, input).SampleHeaders;
break;
default:
throw new Exception("Invalid soundfont. Unrecognized sub chunk: " + id);
}
}
var pZones = pbag.ToZones(presetModulators, presetGenerators);
PresetHeaders = phdr.ToPresets(pZones);
var iZones = ibag.ToZones(instrumentModulators, instrumentGenerators);
Instruments = inst.ToInstruments(iZones);
}
