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");
}
}
}
