public SoundFont(Stream sfFile)
{
try
{
RiffChunk topLevelChunk = RiffChunk.GetTopLevelChunk(new BinaryReader(sfFile));
if (!(topLevelChunk.ChunkID == "RIFF"))
{
throw new InvalidDataException("Not a RIFF file");
}
string text = topLevelChunk.ReadChunkID();
if (text != "sfbk")
{
throw new InvalidDataException(string.Format("Not a SoundFont ({0})", text));
}
RiffChunk nextSubChunk = topLevelChunk.GetNextSubChunk();
if (!(nextSubChunk.ChunkID == "LIST"))
{
throw new InvalidDataException(string.Format("Not info list found ({0})", nextSubChunk.ChunkID));
}
this.info = new InfoChunk(nextSubChunk);
RiffChunk nextSubChunk2 = topLevelChunk.GetNextSubChunk();
this.sampleData = new SampleDataChunk(nextSubChunk2);
nextSubChunk2 = topLevelChunk.GetNextSubChunk();
this.presetsChunk = new PresetsChunk(nextSubChunk2);
}
finally
{
if (sfFile != null)
{
((IDisposable)sfFile).Dispose();
}
}
}
/// <summary>
/// Loads a SoundFont from a stream
/// </summary>
/// <param name="sfFile">stream</param>
public SoundFont(Stream sfFile)
{
using (sfFile) // a bit ugly, done to get Win store to compile
{
RiffChunk riff = RiffChunk.GetTopLevelChunk(new BinaryReader(sfFile));
if (riff.ChunkID == "RIFF")
{
string formHeader = riff.ReadChunkID();
if (formHeader != "sfbk")
{
throw new InvalidDataException(String.Format("Not a SoundFont ({0})", formHeader));
}
RiffChunk list = riff.GetNextSubChunk();
if (list.ChunkID == "LIST")
{
//RiffChunk r = list.GetNextSubChunk();
info = new InfoChunk(list);
RiffChunk r = riff.GetNextSubChunk();
sampleData = new SampleDataChunk(r);
r = riff.GetNextSubChunk();
presetsChunk = new PresetsChunk(r);
}
else
{
throw new InvalidDataException(String.Format("Not info list found ({0})", list.ChunkID));
}
}
else
{
throw new InvalidDataException("Not a RIFF file");
}
}
}
/// <summary>
/// Loads a SoundFont from a file
/// </summary>
/// <param name="fileName">Filename of the SoundFont</param>
public SoundFont(string fileName)
{
using (FileStream sfFile = new FileStream(fileName, FileMode.Open, FileAccess.Read))
{
RiffChunk riff = RiffChunk.GetTopLevelChunk(new BinaryReader(sfFile));
if (riff.ChunkID == "RIFF")
{
string formHeader = riff.ReadChunkID();
if (formHeader != "sfbk")
{
throw new ApplicationException(String.Format("Not a SoundFont ({0})", formHeader));
}
RiffChunk list = riff.GetNextSubChunk();
if (list.ChunkID == "LIST")
{
//RiffChunk r = list.GetNextSubChunk();
info = new InfoChunk(list);
RiffChunk r = riff.GetNextSubChunk();
sampleData = new SampleDataChunk(r);
r = riff.GetNextSubChunk();
presetsChunk = new PresetsChunk(r);
}
else
{
throw new ApplicationException(String.Format("Not info list found ({0})", list.ChunkID));
}
}
else
{
throw new ApplicationException("Not a RIFF file");
}
}
}
public SampleDataChunk(RiffChunk chunk)
{
string header = chunk.ReadChunkID();
if (header != "sdta")
{
throw new InvalidDataException(String.Format("Not a sample data chunk ({0})", header));
}
var smplChunk = chunk.GetNextSubChunk();
sampleData = smplChunk.GetData();
var sm24Chunk = chunk.GetNextSubChunk();
if (sm24Chunk?.ChunkID == "sm24" && sm24Chunk.ChunkSize == smplChunk.ChunkSize / 2)
{
sampleData24 = sm24Chunk.GetData();
}
else
{
//ignore if next subchunk is not a sm24 chunk or the size is not exactly half of smpl data
}
}
internal InfoChunk(RiffChunk chunk)
{
bool ifilPresent = false;
bool isngPresent = false;
bool INAMPresent = false;
if(chunk.ReadChunkID() != "INFO")
{
throw new InvalidDataException("Not an INFO chunk");
}
//this.chunk = chunk;
RiffChunk c;
while((c = chunk.GetNextSubChunk()) != null)
{
switch(c.ChunkID)
{
case "ifil":
ifilPresent = true;
verSoundFont = (SFVersion) c.GetDataAsStructure(new SFVersionBuilder());
break;
case "isng":
isngPresent = true;
waveTableSoundEngine = c.GetDataAsString();
break;
case "INAM":
INAMPresent = true;
bankName = c.GetDataAsString();
break;
case "irom":
dataROM = c.GetDataAsString();
break;
case "iver":
verROM = (SFVersion) c.GetDataAsStructure(new SFVersionBuilder());
break;
case "ICRD":
creationDate = c.GetDataAsString();
break;
case "IENG":
author = c.GetDataAsString();
break;
case "IPRD":
targetProduct = c.GetDataAsString();
break;
case "ICOP":
copyright = c.GetDataAsString();
break;
case "ICMT":
comments = c.GetDataAsString();
break;
case "ISFT":
tools = c.GetDataAsString();
break;
default:
throw new InvalidDataException(String.Format("Unknown chunk type {0}",c.ChunkID));
}
}
if(!ifilPresent)
{
throw new InvalidDataException("Missing SoundFont version information");
}
if(!isngPresent)
{
throw new InvalidDataException("Missing wavetable sound engine information");
}
if(!INAMPresent)
{
throw new InvalidDataException("Missing SoundFont name information");
}
}
internal InfoChunk(RiffChunk chunk)
{
bool ifilPresent = false;
bool inamPresent = false;
if (chunk.ReadChunkID() != "INFO")
{
throw new InvalidDataException("Not an INFO chunk");
}
//this.chunk = chunk;
RiffChunk c;
while ((c = chunk.GetNextSubChunk()) != null)
{
switch (c.ChunkID)
{
case "ifil":
ifilPresent = true;
SoundFontVersion = c.GetDataAsStructure(new SFVersionBuilder());
break;
case "isng":
WaveTableSoundEngine = c.GetDataAsString();
break;
case "INAM":
inamPresent = true;
BankName = c.GetDataAsString();
break;
case "irom":
DataROM = c.GetDataAsString();
break;
case "iver":
ROMVersion = c.GetDataAsStructure(new SFVersionBuilder());
break;
case "ICRD":
CreationDate = c.GetDataAsString();
break;
case "IENG":
Author = c.GetDataAsString();
break;
case "IPRD":
TargetProduct = c.GetDataAsString();
break;
case "ICOP":
Copyright = c.GetDataAsString();
break;
case "ICMT":
Comments = c.GetDataAsString();
break;
case "ISFT":
Tools = c.GetDataAsString();
break;
default:
throw new InvalidDataException($"Unknown chunk type {c.ChunkID}");
}
}
if (!ifilPresent)
{
throw new InvalidDataException("Missing SoundFont version information");
}
// n.b. issue #150 - it is valid for isng not to be present
if (!inamPresent)
{
throw new InvalidDataException("Missing SoundFont name information");
}
}
internal InfoChunk(RiffChunk chunk)
{
bool flag = false;
bool flag2 = false;
bool flag3 = false;
if (chunk.ReadChunkID() != "INFO")
{
throw new InvalidDataException("Not an INFO chunk");
}
RiffChunk nextSubChunk;
while ((nextSubChunk = chunk.GetNextSubChunk()) != null)
{
string chunkID;
switch (chunkID = nextSubChunk.ChunkID)
{
case "ifil":
flag = true;
this.verSoundFont = nextSubChunk.GetDataAsStructure <SFVersion>(new SFVersionBuilder());
continue;
case "isng":
flag2 = true;
this.waveTableSoundEngine = nextSubChunk.GetDataAsString();
continue;
case "INAM":
flag3 = true;
this.bankName = nextSubChunk.GetDataAsString();
continue;
case "irom":
this.dataROM = nextSubChunk.GetDataAsString();
continue;
case "iver":
this.verROM = nextSubChunk.GetDataAsStructure <SFVersion>(new SFVersionBuilder());
continue;
case "ICRD":
this.creationDate = nextSubChunk.GetDataAsString();
continue;
case "IENG":
this.author = nextSubChunk.GetDataAsString();
continue;
case "IPRD":
this.targetProduct = nextSubChunk.GetDataAsString();
continue;
case "ICOP":
this.copyright = nextSubChunk.GetDataAsString();
continue;
case "ICMT":
this.comments = nextSubChunk.GetDataAsString();
continue;
case "ISFT":
this.tools = nextSubChunk.GetDataAsString();
continue;
}
throw new InvalidDataException(string.Format("Unknown chunk type {0}", nextSubChunk.ChunkID));
}
if (!flag)
{
throw new InvalidDataException("Missing SoundFont version information");
}
if (!flag2)
{
throw new InvalidDataException("Missing wavetable sound engine information");
}
if (!flag3)
{
throw new InvalidDataException("Missing SoundFont name information");
}
}
internal InfoChunk(RiffChunk chunk)
{
bool ifilPresent = false;
bool isngPresent = false;
bool INAMPresent = false;
if(chunk.ReadChunkID() != "INFO")
{
throw new ApplicationException("Not an INFO chunk");
}
//this.chunk = chunk;
RiffChunk c;
while((c = chunk.GetNextSubChunk()) != null)
{
switch(c.ChunkID)
{
case "ifil":
ifilPresent = true;
verSoundFont = (SFVersion) c.GetDataAsStructure(new SFVersionBuilder());
break;
case "isng":
isngPresent = true;
waveTableSoundEngine = c.GetDataAsString();
break;
case "INAM":
INAMPresent = true;
bankName = c.GetDataAsString();
break;
case "irom":
dataROM = c.GetDataAsString();
break;
case "iver":
verROM = (SFVersion) c.GetDataAsStructure(new SFVersionBuilder());
break;
case "ICRD":
creationDate = c.GetDataAsString();
break;
case "IENG":
author = c.GetDataAsString();
break;
case "IPRD":
targetProduct = c.GetDataAsString();
break;
case "ICOP":
copyright = c.GetDataAsString();
break;
case "ICMT":
comments = c.GetDataAsString();
break;
case "ISFT":
tools = c.GetDataAsString();
break;
default:
throw new ApplicationException(String.Format("Unknown chunk type {0}",c.ChunkID));
}
}
if(!ifilPresent)
{
throw new ApplicationException("Missing SoundFont version information");
}
if(!isngPresent)
{
throw new ApplicationException("Missing wavetable sound engine information");
}
if(!INAMPresent)
{
throw new ApplicationException("Missing SoundFont name information");
}
}
// Token: 0x06000438 RID: 1080 RVA: 0x0000E058 File Offset: 0x0000C258
internal PresetsChunk(RiffChunk chunk)
{
string text = chunk.ReadChunkID();
if (text != "pdta")
{
throw new InvalidDataException(string.Format("Not a presets data chunk ({0})", text));
}
RiffChunk nextSubChunk;
while ((nextSubChunk = chunk.GetNextSubChunk()) != null)
{
string chunkID;
switch (chunkID = nextSubChunk.ChunkID)
{
case "PHDR":
case "phdr":
nextSubChunk.GetDataAsStructureArray <Preset>(this.presetHeaders);
continue;
case "PBAG":
case "pbag":
nextSubChunk.GetDataAsStructureArray <Zone>(this.presetZones);
continue;
case "PMOD":
case "pmod":
nextSubChunk.GetDataAsStructureArray <Modulator>(this.presetZoneModulators);
continue;
case "PGEN":
case "pgen":
nextSubChunk.GetDataAsStructureArray <Generator>(this.presetZoneGenerators);
continue;
case "INST":
case "inst":
nextSubChunk.GetDataAsStructureArray <Instrument>(this.instruments);
continue;
case "IBAG":
case "ibag":
nextSubChunk.GetDataAsStructureArray <Zone>(this.instrumentZones);
continue;
case "IMOD":
case "imod":
nextSubChunk.GetDataAsStructureArray <Modulator>(this.instrumentZoneModulators);
continue;
case "IGEN":
case "igen":
nextSubChunk.GetDataAsStructureArray <Generator>(this.instrumentZoneGenerators);
continue;
case "SHDR":
case "shdr":
nextSubChunk.GetDataAsStructureArray <SampleHeader>(this.sampleHeaders);
continue;
}
throw new InvalidDataException(string.Format("Unknown chunk type {0}", nextSubChunk.ChunkID));
}
this.instrumentZoneGenerators.Load(this.sampleHeaders.SampleHeaders);
this.instrumentZones.Load(this.instrumentZoneModulators.Modulators, this.instrumentZoneGenerators.Generators);
this.instruments.LoadZones(this.instrumentZones.Zones);
this.presetZoneGenerators.Load(this.instruments.Instruments);
this.presetZones.Load(this.presetZoneModulators.Modulators, this.presetZoneGenerators.Generators);
this.presetHeaders.LoadZones(this.presetZones.Zones);
this.sampleHeaders.RemoveEOS();
}
internal PresetsChunk(RiffChunk chunk)
{
string header = chunk.ReadChunkID();
if(header != "pdta")
{
throw new InvalidDataException(String.Format("Not a presets data chunk ({0})",header));
}
RiffChunk c;
while((c = chunk.GetNextSubChunk()) != null)
{
switch(c.ChunkID) {
case "PHDR":
case "phdr":
c.GetDataAsStructureArray(presetHeaders);
break;
case "PBAG":
case "pbag":
c.GetDataAsStructureArray(presetZones);
break;
case "PMOD":
case "pmod":
c.GetDataAsStructureArray(presetZoneModulators);
break;
case "PGEN":
case "pgen":
c.GetDataAsStructureArray(presetZoneGenerators);
break;
case "INST":
case "inst":
c.GetDataAsStructureArray(instruments);
break;
case "IBAG":
case "ibag":
c.GetDataAsStructureArray(instrumentZones);
break;
case "IMOD":
case "imod":
c.GetDataAsStructureArray(instrumentZoneModulators);
break;
case "IGEN":
case "igen":
c.GetDataAsStructureArray(instrumentZoneGenerators);
break;
case "SHDR":
case "shdr":
c.GetDataAsStructureArray(sampleHeaders);
break;
default:
throw new InvalidDataException(String.Format("Unknown chunk type {0}", c.ChunkID));
}
}
// now link things up
instrumentZoneGenerators.Load(sampleHeaders.SampleHeaders);
instrumentZones.Load(instrumentZoneModulators.Modulators,instrumentZoneGenerators.Generators);
instruments.LoadZones(instrumentZones.Zones);
presetZoneGenerators.Load(instruments.Instruments);
presetZones.Load(presetZoneModulators.Modulators,presetZoneGenerators.Generators);
presetHeaders.LoadZones(presetZones.Zones);
sampleHeaders.RemoveEOS();
}
internal PresetsChunk(RiffChunk chunk)
{
string header = chunk.ReadChunkID();
if (header != "pdta")
{
throw new InvalidDataException(String.Format("Not a presets data chunk ({0})", header));
}
RiffChunk c;
while ((c = chunk.GetNextSubChunk()) != null)
{
switch (c.ChunkID)
{
case "PHDR":
case "phdr":
c.GetDataAsStructureArray(presetHeaders);
break;
case "PBAG":
case "pbag":
c.GetDataAsStructureArray(presetZones);
break;
case "PMOD":
case "pmod":
c.GetDataAsStructureArray(presetZoneModulators);
break;
case "PGEN":
case "pgen":
c.GetDataAsStructureArray(presetZoneGenerators);
break;
case "INST":
case "inst":
c.GetDataAsStructureArray(instruments);
break;
case "IBAG":
case "ibag":
c.GetDataAsStructureArray(instrumentZones);
break;
case "IMOD":
case "imod":
c.GetDataAsStructureArray(instrumentZoneModulators);
break;
case "IGEN":
case "igen":
c.GetDataAsStructureArray(instrumentZoneGenerators);
break;
case "SHDR":
case "shdr":
c.GetDataAsStructureArray(sampleHeaders);
break;
default:
throw new InvalidDataException(String.Format("Unknown chunk type {0}", c.ChunkID));
}
}
// now link things up
instrumentZoneGenerators.Load(sampleHeaders.SampleHeaders);
instrumentZones.Load(instrumentZoneModulators.Modulators, instrumentZoneGenerators.Generators);
instruments.LoadZones(instrumentZones.Zones);
presetZoneGenerators.Load(instruments.Instruments);
presetZones.Load(presetZoneModulators.Modulators, presetZoneGenerators.Generators);
presetHeaders.LoadZones(presetZones.Zones);
sampleHeaders.RemoveEOS();
}
