public void Read(Stream stream)
{
var masterChunk = new RiffChunk(stream);
if (masterChunk.Id != "RIFF")
{
throw new FileFormatException("WaveFile.masterChunk.Id", masterChunk.Id, "RIFF");
}
// masterChunk
using (var masterStream = masterChunk.GetStream()) {
var WaveId = StreamHelperLe.ReadString(masterStream, 4);
if (WaveId != "WAVE")
{
throw new FileFormatException("WaveFile.WaveId", WaveId, "WAVE");
}
// formatChunk
var formatChunk = new RiffChunk(masterStream);
if (formatChunk.Id != "fmt ")
{
throw new FileFormatException("WaveFile.formatChunk.Id", formatChunk.Id, "fmt ");
}
using (var formatStream = formatChunk.GetStream()) {
FormatTag = StreamHelperLe.ReadUInt16(formatStream);
Channels = StreamHelperLe.ReadUInt16(formatStream);
SamplePerSec = StreamHelperLe.ReadUInt32(formatStream);
AvgBytesPerSec = StreamHelperLe.ReadUInt32(formatStream);
BlockAlign = StreamHelperLe.ReadUInt16(formatStream);
BitsPerSample = StreamHelperLe.ReadUInt16(formatStream);
}
if (Format != WaveFileFormat.MicrosoftPcm)
{
throw new FileFormatException("WaveFile.Format", Format, WaveFileFormat.MicrosoftPcm);
}
// dataChunk
while (masterStream.Position < masterStream.Length)
{
var chunk = new RiffChunk(masterStream);
if (chunk.Id == "data")
{
Data = chunk.Data;
using (var dataStream = chunk.GetStream()) {
BuildSamples(dataStream);
}
break;
}
}
if (Data == null)
{
throw new FileFormatException("WaveFile.WaveData", "null", "byte[]");
}
}
}
public PresetHeader(Stream stream)
{
PresetName = StreamHelperLe.ReadString(stream, 20);
Preset = StreamHelperLe.ReadUInt16(stream);
Bank = StreamHelperLe.ReadUInt16(stream);
PresetBagIndex = StreamHelperLe.ReadUInt16(stream);
Library = StreamHelperLe.ReadUInt32(stream);
Genre = StreamHelperLe.ReadUInt32(stream);
Morphology = StreamHelperLe.ReadUInt32(stream);
}
public SampleHeader(Stream stream)
{
SampleName = StreamHelperLe.ReadString(stream, 20);
Start = StreamHelperLe.ReadUInt32(stream);
End = StreamHelperLe.ReadUInt32(stream);
Startloop = StreamHelperLe.ReadUInt32(stream);
Endloop = StreamHelperLe.ReadUInt32(stream);
SampleRate = StreamHelperLe.ReadUInt32(stream);
OriginalKey = (byte)stream.ReadByte();
Correction = (sbyte)stream.ReadByte();
SampleLink = StreamHelperLe.ReadUInt16(stream);
SampleLinkType = (SampleLinkType)StreamHelperLe.ReadUInt16(stream);
}
public Sf2File(Stream stream)
{
// <SFBK-form> ; SoundFont 2 RIFF File Format
var sfbkChunk = new RiffChunk(stream);
using (var sfbkStream = sfbkChunk.GetStream()) {
// <SFBK-form> -> RIFF (‘sfbk’ ; RIFF form header
var sfbkId = StreamHelperLe.ReadString(sfbkStream, 4);
if (sfbkId != "sfbk")
{
throw new FileFormatException("Sf2.sfbkId", sfbkId, "sfbk");
}
// <INFO-list> ; Supplemental Information
var infoChunk = new RiffChunk(sfbkStream);
using (var infoStream = infoChunk.GetStream()) {
// <INFO-list> -> LIST (‘INFO’
var infoId = StreamHelperLe.ReadString(infoStream, 4);
if (infoId != "INFO")
{
throw new FileFormatException("Sf2.infoChunk.infoId", infoId, "INFO");
}
while (infoStream.Position < infoStream.Length)
{
var chunk = new RiffChunk(infoStream);
switch (chunk.Id)
{
case "ifil":
// <ifil-ck> ; Refers to the version of the Sound Font RIFF file
Version = BitConverter.ToUInt16(chunk.Data, 0) + "." + BitConverter.ToUInt16(chunk.Data, 2);
break;
case "isng":
// <isng-ck> ; Refers to the target Sound Engine
TargetSoundEngine = Encoding.UTF8.GetString(chunk.Data);
break;
case "INAM":
// <INAM-ck> ; Refers to the Sound Font Bank Name
Name = chunk.GetString();
break;
case "ICRD":
// [<ICRD-ck>] ; Refers to the Date of Creation of the Bank
DateOfCreation = chunk.GetString();
break;
case "IENG":
// [<IENG-ck>] ; Sound Designers and Engineers for the Bank
Enginners = chunk.GetString();
break;
case "IPRD":
// [<IPRD-ck>] ; Product for which the Bank was intended
Product = chunk.GetString();
break;
case "ICOP":
// [<ICOP-ck>] ; Contains any Copyright message
Copyright = chunk.GetString();
break;
case "ICMT":
// [<ICMT-ck>] ; Contains any Comments on the Bank
Comments = chunk.GetString();
break;
case "ISFT":
// [<ISFT-ck>] ; The SoundFont tools used to create and alter the bank
Tools = chunk.GetString();
break;
}
}
}
// <sdta-list> ; The Sample Binary Data
var sdtaChunk = new RiffChunk(sfbkStream);
using (var sdtaStream = sdtaChunk.GetStream()) {
// <sdta-ck> -> LIST (‘sdta’
var sdtaId = StreamHelperLe.ReadString(sdtaStream, 4);
if (sdtaId != "sdta")
{
throw new FileFormatException("Sf2.sdtaChunk.sdtaId", sdtaId, "sdta");
}
// [<smpl-ck>] ; The Digital Audio Samples for the upper 16 bits
if (sdtaStream.Position < sdtaStream.Length)
{
var smplChunk = new RiffChunk(sdtaStream);
SampleData = new short[smplChunk.Size / 2];
for (int i = 0; i < smplChunk.Size; i += 2)
{
SampleData[i / 2] = BitConverter.ToInt16(smplChunk.Data, i);
}
// [<sm24-ck>] ; The Digital Audio Samples for the lower 8 bits
if (sdtaStream.Position < sdtaStream.Length)
{
var sm24Chunk = new RiffChunk(sdtaStream);
SampleData24 = sm24Chunk.Data;
}
}
}
// <pdta-list> ; The Preset, Instrument, and Sample Header data
var pdtaChunk = new RiffChunk(sfbkStream);
using (var pdtaStream = pdtaChunk.GetStream()) {
// <pdta-ck> -> LIST (‘pdta’
var pdtaId = StreamHelperLe.ReadString(pdtaStream, 4);
if (pdtaId != "pdta")
{
throw new FileFormatException("Sf2.pdtaChunk.pdtaId", pdtaId, "pdta");
}
// <phdr-ck> ; The Preset Headers
var phdrChunk = new RiffChunk(pdtaStream);
using (var phdrStream = phdrChunk.GetStream()) {
var list = new List <PresetHeader>();
while (phdrStream.Position < phdrStream.Length)
{
list.Add(new PresetHeader(phdrStream));
}
PresetHeaders = list.ToArray();
}
// <pbag-ck> ; The Preset Index list
var pbagChunk = new RiffChunk(pdtaStream);
using (var pbagStream = pbagChunk.GetStream()) {
var list = new List <Bag>();
while (pbagStream.Position < pbagStream.Length)
{
list.Add(new Bag(pbagStream));
}
PresetBags = list.ToArray();
}
// <pmod-ck> ; The Preset Modulator list
var pmodChunk = new RiffChunk(pdtaStream);
using (var pmodStream = pmodChunk.GetStream()) {
var list = new List <Modulator>();
while (pmodStream.Position < pmodStream.Length)
{
list.Add(new Modulator(pmodStream));
}
PresetModulators = list.ToArray();
}
// <pgen-ck> ; The Preset Generator list
var pgenChunk = new RiffChunk(pdtaStream);
using (var pgenStream = pgenChunk.GetStream()) {
var list = new List <Generator>();
while (pgenStream.Position < pgenStream.Length)
{
list.Add(new Generator(pgenStream));
}
PresetGenerators = list.ToArray();
}
// <inst-ck> ; The Instrument Names and Indices
var instChunk = new RiffChunk(pdtaStream);
using (var instStream = instChunk.GetStream()) {
var list = new List <InstrumentHeader>();
while (instStream.Position < instStream.Length)
{
list.Add(new InstrumentHeader(instStream));
}
InstrumentHeaders = list.ToArray();
}
// <ibag-ck> ; The Instrument Index list
var ibagChunk = new RiffChunk(pdtaStream);
using (var ibagStream = ibagChunk.GetStream()) {
var list = new List <Bag>();
while (ibagStream.Position < ibagStream.Length)
{
list.Add(new Bag(ibagStream));
}
InstrumentBags = list.ToArray();
}
// <imod-ck> ; The Instrument Modulator list
var imodChunk = new RiffChunk(pdtaStream);
using (var imodStream = imodChunk.GetStream()) {
var list = new List <Modulator>();
while (imodStream.Position < imodStream.Length)
{
list.Add(new Modulator(imodStream));
}
InstrumentModulators = list.ToArray();
}
// <igen-ck> ; The Instrument Generator list
var igenChunk = new RiffChunk(pdtaStream);
using (var igenStream = igenChunk.GetStream()) {
var list = new List <Generator>();
while (igenStream.Position < igenStream.Length)
{
list.Add(new Generator(igenStream));
}
InstrumentGenerators = list.ToArray();
}
// <shdr-ck> ; The Sample Headers
var shdrChunk = new RiffChunk(pdtaStream);
using (var shdrStream = shdrChunk.GetStream()) {
var list = new List <SampleHeader>();
while (shdrStream.Position < shdrStream.Length)
{
list.Add(new SampleHeader(shdrStream));
}
SampleHeaders = list.ToArray();
}
}
}
Compile();
}
public InstrumentHeader(Stream stream)
{
InstName = StreamHelperLe.ReadString(stream, 20);
InstBagNdx = StreamHelperLe.ReadUInt16(stream);
}