internal SF2Inst(SF2 inSf2, string name)
{
sf2 = inSf2;
achInstName = new char[20];
var temp = name.ToCharArray().Take(20).ToArray();
Buffer.BlockCopy(temp, 0, achInstName, 0, temp.Length * 2);
wInstBagNdx = (ushort)sf2.IBAGCount;
}
internal SF2PresetHeader(SF2 inSf2, string name, ushort patch, ushort bank)
{
sf2 = inSf2;
ach_preset_name = new char[20];
var temp = name.ToCharArray().Take(20).ToArray();
Buffer.BlockCopy(temp, 0, ach_preset_name, 0, temp.Length * 2);
wPreset = patch;
wBank = bank;
wPresetBagNdx = (ushort)sf2.PBAGCount;
}
internal PdtaListChunk(SF2 inSf2) : base(inSf2, "pdta")
{
phdr_subchunk = new PHDRSubChunk(inSf2);
pbag_subchunk = new BAGSubChunk(inSf2, true);
pmod_subchunk = new MODSubChunk(inSf2, true);
pgen_subchunk = new GENSubChunk(inSf2, true);
inst_subchunk = new INSTSubChunk(inSf2);
ibag_subchunk = new BAGSubChunk(inSf2, false);
imod_subchunk = new MODSubChunk(inSf2, false);
igen_subchunk = new GENSubChunk(inSf2, false);
shdr_subchunk = new SHDRSubChunk(inSf2);
}
internal SF2Bag(SF2 inSf2, bool isPresetBag)
{
if (isPresetBag)
{
GeneratorIndex = (ushort)inSf2.HydraChunk.PGENSubChunk.Count;
ModulatorIndex = (ushort)inSf2.HydraChunk.PMODSubChunk.Count;
}
else
{
GeneratorIndex = (ushort)inSf2.HydraChunk.IGENSubChunk.Count;
ModulatorIndex = (ushort)inSf2.HydraChunk.IMODSubChunk.Count;
}
}
ushort wModNdx; // Index of list of modulators
internal SF2Bag(SF2 inSf2, bool preset)
{
sf2 = inSf2;
if (preset)
{
wGenNdx = (ushort)sf2.PGENCount;
wModNdx = (ushort)sf2.PMODCount;
}
else
{
wGenNdx = (ushort)sf2.IGENCount;
wModNdx = (ushort)sf2.IMODCount;
}
}
internal InfoListChunk(SF2 inSf2, string engine, string bank, string rom, SFVersionTag rom_revision, string date, string designer, string products, string copyright, string comment, string tools)
: base(inSf2, "INFO")
{
sub_chunks = new List <SF2Chunk>() // Mandatory sub-chunks
{
new VersionSubChunk(inSf2, "ifil", new SFVersionTag(2, 1)),
new HeaderSubChunk(inSf2, "isng", string.IsNullOrEmpty(engine) ? "EMU8000" : engine),
new HeaderSubChunk(inSf2, "INAM", string.IsNullOrEmpty(bank) ? "General MIDI" : bank),
};
// Optional sub-chunks
if (!string.IsNullOrEmpty(rom))
{
sub_chunks.Add(new HeaderSubChunk(inSf2, "irom", rom));
}
if (rom_revision != null)
{
sub_chunks.Add(new VersionSubChunk(inSf2, "iver", rom_revision));
}
if (!string.IsNullOrEmpty(date))
{
sub_chunks.Add(new HeaderSubChunk(inSf2, "ICRD", date));
}
if (!string.IsNullOrEmpty(designer))
{
sub_chunks.Add(new HeaderSubChunk(inSf2, "IENG", designer));
}
if (!string.IsNullOrEmpty(products))
{
sub_chunks.Add(new HeaderSubChunk(inSf2, "IPRD", products));
}
if (!string.IsNullOrEmpty(copyright))
{
sub_chunks.Add(new HeaderSubChunk(inSf2, "ICOP", copyright));
}
if (!string.IsNullOrEmpty(comment))
{
sub_chunks.Add(new HeaderSubChunk(inSf2, "ICMT", comment, 0x10000));
}
if (!string.IsNullOrEmpty(tools))
{
sub_chunks.Add(new HeaderSubChunk(inSf2, "ISFT", tools));
}
foreach (var sub in sub_chunks)
{
Size += sub.Size + 8;
}
}
internal SF2Sample(SF2 inSf2, string name, uint start, uint end, uint start_loop, uint end_loop, uint sample_rate, sbyte original_pitch, sbyte pitch_correction)
{
achSampleName = new char[20];
var temp = name.ToCharArray().Take(20).ToArray();
Buffer.BlockCopy(temp, 0, achSampleName, 0, temp.Length * 2);
dwStart = start;
dwEnd = end;
dwStartloop = start_loop;
dwEndloop = end_loop;
dwSampleRate = sample_rate;
byOriginalPitch = original_pitch;
chPitchCorrection = pitch_correction;
wSampleLink = 0;
sfSampleType = SF2SampleLink.monoSample;
sf2 = inSf2;
}
internal HeaderSubChunk(SF2 inSf2, string subchunk_type, string s, int max_size = 0x100) : base(inSf2, subchunk_type) // Maybe maxsize must go here
{
var test = s.ToCharArray().ToList();
if (test.Count >= max_size) // Input too long; cut it down
{
test = test.Take(max_size).ToList();
test[max_size - 1] = '\0';
}
else if (test.Count % 2 == 0) // Even amount of characters
{
test.Add('\0'); // Add two null-terminators to keep the byte count even
test.Add('\0');
}
else // Odd amount of characters
{
test.Add('\0'); // Add one null-terminator since that would make byte the count even
}
field = test.ToArray();
Size += (uint)field.Length;
}
internal GENSubChunk(SF2 inSf2, bool preset) : base(inSf2, preset ? "pgen" : "igen")
{
generator_list = new List <SF2GenList>();
}
internal BAGSubChunk(SF2 inSf2, bool preset) : base(inSf2, preset ? "pbag" : "ibag")
{
bag_list = new List <SF2Bag>();
}
internal MODSubChunk(SF2 inSf2, bool preset) : base(inSf2, preset ? "pmod" : "imod")
{
modulator_list = new List <SF2ModList>();
}
internal PHDRSubChunk(SF2 inSf2) : base(inSf2, "phdr")
{
preset_list = new List <SF2PresetHeader>();
}
internal INSTSubChunk(SF2 inSf2) : base(inSf2, "inst")
{
instrument_list = new List <SF2Inst>();
}
internal SF2ModList(SF2 inSf2)
{
sf2 = inSf2;
}
List <uint> loop_pos_list; // Loop start data
internal SMPLSubChunk(SF2 inSf2) : base(inSf2, "smpl")
{
wave_list = new List <short[]>();
loop_flag_list = new List <bool>();
loop_pos_list = new List <uint>();
}
internal VersionSubChunk(SF2 inSf2, EndianBinaryReader reader) : base(inSf2, reader)
{
Version = new SF2VersionTag(reader);
}
internal VersionSubChunk(SF2 inSf2, string subChunkName) : base(inSf2, subChunkName)
{
Size = SF2VersionTag.Size;
inSf2.UpdateSize();
}
protected SF2ListChunk(SF2 inSf2, string name) : base(inSf2, "LIST")
{
ListChunkName = name;
Size = 4;
}
protected SF2Chunk(SF2 inSf2, BinaryReader reader)
{
sf2 = inSf2;
chunkName = reader.ReadChars(4);
Size = reader.ReadUInt32();
}
internal SF2GenList(SF2 inSf2, SF2Generator operation, GenAmountType amount)
{
sf2 = inSf2;
sfGenOper = operation;
genAmount = amount;
}
internal SF2GenList(SF2 inSf2)
{
sf2 = inSf2;
genAmount = new GenAmountType();
}
protected SF2Chunk(SF2 inSf2, string name)
{
chunk_name = name.ToCharArray();
sf2 = inSf2;
}
internal SHDRSubChunk(SF2 inSf2) : base(inSf2, "shdr")
{
sample_list = new List <SF2Sample>();
}
} // Size in bytes
protected SF2Chunk(SF2 inSf2, string name)
{
sf2 = inSf2;
chunkName = name.ToCharArray();
}
protected SF2Chunk(SF2 inSf2, EndianBinaryReader reader)
{
_sf2 = inSf2;
ChunkName = reader.ReadString(4, false);
Size = reader.ReadUInt32();
}
protected SF2ListChunk(SF2 inSf2, BinaryReader reader) : base(inSf2, reader)
{
listChunkName = reader.ReadChars(4);
}
internal SdtaListChunk(SF2 inSf2) : base(inSf2, "sdta")
{
smpl_subchunk = new SMPLSubChunk(inSf2);
}
char[] chunk_name; // Length 4
protected ListChunk(SF2 inSf2, string name) : base(inSf2, "LIST")
{
chunk_name = name.ToCharArray();
Size = 4;
}
internal VersionSubChunk(SF2 inSf2, string subchunk_type, SFVersionTag version) : base(inSf2, subchunk_type)
{
revision = version;
Size += SFVersionTag.Size;
}
protected SF2ListChunk(SF2 inSf2, EndianBinaryReader reader) : base(inSf2, reader)
{
ListChunkName = reader.ReadString(4, false);
}