public void RemoveChunk(AudioChunk chunk)
{
Init();
if (_audioChunks.Contains(chunk))
{
_audioChunks.Remove(chunk);
}
TreeNode nodeToRemove = null;
foreach (TreeNode item in _rootNode.Nodes)
{
if (item.Tag is AudioChunk)
{
AudioChunk chunkItem = item.Tag as AudioChunk;
if (chunk == chunkItem)
{
nodeToRemove = item;
break;
}
}
}
if (nodeToRemove != null)
{
_rootNode.Nodes.Remove(nodeToRemove);
}
}
private void btnSaveChunkWave_Click(object sender, EventArgs e)
{
AudioChunk chunk = GetSelectedChunk();
if (chunk != null)
{
SaveFileDialog dlg = new SaveFileDialog();
dlg.Filter = "wave files (*.wav)|*.wav|All files (*.*)|*.*";
dlg.RestoreDirectory = true;
dlg.FileName = "chunk";
dlg.DefaultExt = ".wav";
if (dlg.ShowDialog() == DialogResult.OK)
{
using (FileStream stream = new FileStream(dlg.FileName, FileMode.Create, FileAccess.Write))
{
WaveStreamWriter streamWriter = new WaveStreamWriter(stream);
if (chunk.Oscillators.Count > 0)
{
streamWriter.WriteChunk(chunk);
}
streamWriter.Close();
}
}
}
}
public void AddChunk(AudioChunk chunk)
{
Init();
if (chunk == null)
{
return;
}
_audioChunks.Add(chunk);
TreeNode chunkNode = new TreeNode("Chunk " + (_audioChunks.Count).ToString());
chunkNode.Checked = true;
chunkNode.Tag = chunk;
foreach (var osc in chunk.Oscillators)
{
TreeNode oscNode = new TreeNode(osc.ToString());
oscNode.Checked = true;
oscNode.Tag = osc;
chunkNode.Nodes.Add(oscNode);
}
_rootNode.Nodes.Add(chunkNode);
chunkNode.ExpandAll();
SelectedNode = chunkNode;
TopNode = chunkNode;
}
private void btnAddOscListToChunk_Click(object sender, EventArgs e)
{
AudioChunk chunk = GetSelectedChunk();
if (chunk == null)
{
return;
}
int freq = (int)waveFormControl.Frequency;
int duration = (int)waveFormControl.Duration;
int amp = (int)waveFormControl.Amplitude;
List <WaveType> types = lvWaveForms.GetSelectedForms();
foreach (var item in types)
{
chunk.AddOscillator(item, duration, freq, amp, 2);
//chunk.AddOscillator(item, duration, freq, -amp, 2);
}
chunkTree.RemoveChunk(chunk);
chunkTree.AddChunk(chunk);
}
private AudioChunk Read_AudioChunk(BinaryReader reader)
{
var result = new AudioChunk();
result.Version = ReadVersion(reader, 1, 0x1411A0F20);
result.EnvironmentPrecomputeParameters = Read_EnvironmentPrecomputeParameters(reader);
result.DoEnvironmentPrecompute = reader.ReadBoolean();
return(result);
}
private void chunkTree_AfterSelect(object sender, TreeViewEventArgs e)
{
AudioChunk chunk = GetSelectedChunk();
btnAddOscListToChunk.Enabled = (chunk != null);
btnTestFullChunk.Enabled = (chunk != null);
if (e.Node.Level == 2)
{
waveFormSelected.SetForm((Oscillator)e.Node.Tag);
}
}
public TransformerCodec( uint dataSize, PrimitiveReader reader, int frequency, int channels,
int bitsPerSample, Transformer transformer, int codecBitsPerSample)
{
info = new AudioChunk();
this.dataSize = dataSize;
this.reader = reader;
info.Frequency = frequency;
info.Channels = channels;
info.BitsPerSample = bitsPerSample;
this.transformer = transformer;
this.codecBitsPerSample = codecBitsPerSample;
bufferSize = (int)( frequency * channels * codecBitsPerSample / 8 );
}
private AudioChunk GetSelectedChunk()
{
AudioChunk chunk = null;
if (chunkTree.SelectedNode != null)
{
TreeNode node = chunkTree.SelectedNode;
if (node.Level == 1)
{
chunk = (AudioChunk)node.Tag;
}
}
return(chunk);
}
private void btnLoadChunk_Click(object sender, EventArgs e)
{
OpenFileDialog dlg = new OpenFileDialog();
dlg.Filter = "xml files (*.xml)|*.xml|All files (*.*)|*.*";
dlg.RestoreDirectory = true;
dlg.FileName = "chunk";
dlg.DefaultExt = ".xml";
if (dlg.ShowDialog() == DialogResult.OK)
{
using (FileStream stream = new FileStream(dlg.FileName, FileMode.Open, FileAccess.Read))
{
XmlSerializer serializer = new XmlSerializer(typeof(AudioChunk));
AudioChunk chunk = (AudioChunk)serializer.Deserialize(stream);
chunkTree.AddChunk(chunk);
}
}
}
private void btnSaveChunk_Click(object sender, EventArgs e)
{
AudioChunk chunk = GetSelectedChunk();
if (chunk != null)
{
SaveFileDialog dlg = new SaveFileDialog();
dlg.Filter = "xml files (*.xml)|*.xml|All files (*.*)|*.*";
dlg.RestoreDirectory = true;
dlg.FileName = "chunk";
dlg.DefaultExt = ".xml";
if (dlg.ShowDialog() == DialogResult.OK)
{
using (FileStream stream = new FileStream(dlg.FileName, FileMode.Create, FileAccess.Write))
{
XmlSerializer serializer = new XmlSerializer(typeof(AudioChunk));
serializer.Serialize(stream, chunk);
}
}
}
}
private void btnTestFullChunk_Click(object sender, EventArgs e)
{
AudioChunk chunk = GetSelectedChunk();
if (chunk == null)
{
return;
}
using (MemoryStream stream = new MemoryStream())
{
WaveStreamWriter streamWriter = new WaveStreamWriter(stream);
if (chunk.Oscillators.Count > 0)
{
streamWriter.WriteChunk(chunk);
}
streamWriter.Close();
PlayStream(stream);
}
}
public IEnumerable<AudioChunk> StreamData( Stream source )
{
info = new AudioChunk();
PrimitiveReader reader = new PrimitiveReader( source );
while( true ) {
// Read frame header
BitReader bitReader = new BitReader( reader );
bitReader.BigEndian = true;
//Console.WriteLine( "start pos" + reader.Position );
// Skip any padding('00') bytes before the start of a frame
byte data = 0;
while( ( data = reader.ReadByte() ) == 0 );
// Make sure that the 'data' byte is the first 8 bits of the sync word.
if( data != 0xFF ) {
throw new InvalidDataException( "Invalid frame sync value." );
}
int frameSync = bitReader.ReadBits( 3/*11*/ );
if( frameSync != 0x7/*FF*/ ) {
throw new InvalidDataException( "Invalid frame sync value." );
}
int versionId = bitReader.ReadBits( 2 );
int layerIndex = bitReader.ReadBits( 2 );
bool crcProtection = bitReader.ReadBit() == 0;
int bitrateIndex = bitReader.ReadBits( 4 );
int samplingRateIndex = bitReader.ReadBits( 2 );
bool padded = bitReader.ReadBit() != 0;
int privateBit = bitReader.ReadBit();
int channelMode = bitReader.ReadBits( 2 );
int modeExtension = bitReader.ReadBits( 2 );
int copyrightBit = bitReader.ReadBit();
int originalBit = bitReader.ReadBit();
int emphasis = bitReader.ReadBits( 2 );
int bitrate = GetBitRate( (MpegVersion)versionId, layerIndex, bitrateIndex );
info.Frequency = samplingRates[versionId][samplingRateIndex];
ushort crc = 0;
if( crcProtection ) {
crc = (ushort)bitReader.ReadBits( 16 );
}
MpegFrame frame = new MpegFrame();
frame.Bitrate = bitrate;
frame.ChannelMode = (ChannelMode)channelMode;
frame.Channels = Common.GetNumberOfChannels( frame.ChannelMode );
frame.CrcProtected = crcProtection;
frame.Padding = padded;
frame.ModeExtension = modeExtension;
frame.SampleRate = info.Frequency;
frame.Emphasis = emphasis;
frame.Version = (MpegVersion)versionId;
LayerIndex index2 = (LayerIndex)layerIndex;
info.Data = null;
//Console.WriteLine( "padding: {0}, type: {1}, sr: {2}, br: {3}",
//frame.Padding, index2, frame.SampleRate, frame.Bitrate );
if( layerIndex == (int)LayerIndex.Layer1 ) {
info.Data = decoder1.Decode( frame, bitReader );
} else if( layerIndex == (int)LayerIndex.Layer2 ) {
info.Data = decoder2.Decode( frame, bitReader );
} else if( layerIndex == (int)LayerIndex.Layer3 ) {
throw new NotSupportedException( "Layer III not supported" );
} else {
throw new InvalidDataException( "Invalid layer" );
}
info.Channels = frame.Channels;
info.BitsPerSample = 16;
//if( bitReader.offset == 8 ) {
//reader.ReadByte();
//}
yield return info;
}
}
private void button_Click(object sender, RoutedEventArgs e)
{
using (FileStream stream = new FileStream(".\\output.wav", FileMode.Create, FileAccess.Write, FileShare.None, 8 * 1024 * 1024))
{
WaveStreamWriter streamWriter = new WaveStreamWriter(stream);
int duration = 100;
int repeatGlobalCount = 10;
int freq = 60;
AudioChunk motorChunk = SampleHelper.MakeChordChunk(400, 30, 6000);
Oscillator silence600 = SampleHelper.MakeSilenceOscillator(600);
AudioChunk smallBassChunk1 = SampleHelper.MakeBassChunk(40, 80, 12000);
Oscillator silence200 = SampleHelper.MakeSilenceOscillator(200);
Oscillator silence100 = SampleHelper.MakeSilenceOscillator(100);
AudioChunk smallBassChunk2 = SampleHelper.MakeBassChunk2(40, 80, 12000);
Oscillator sine = new Oscillator(WaveType.Sine, 40, 80, 12000, 2);
Oscillator square = new Oscillator(WaveType.Square, 40, 80, 12000, 2);
Oscillator triangle = new Oscillator(WaveType.Triangle, 40, 80, 12000, 2);
Oscillator sawtooth = new Oscillator(WaveType.Sawtooth, 40, 80, 12000, 2);
streamWriter.WriteOscillator(sine);
streamWriter.WriteOscillator(silence200);
streamWriter.WriteOscillator(sine);
streamWriter.WriteOscillator(silence200);
streamWriter.WriteOscillator(silence200);
streamWriter.WriteOscillator(square);
streamWriter.WriteOscillator(silence200);
streamWriter.WriteOscillator(square);
streamWriter.WriteOscillator(silence200);
streamWriter.WriteOscillator(silence200);
streamWriter.WriteOscillator(triangle);
streamWriter.WriteOscillator(silence200);
streamWriter.WriteOscillator(triangle);
streamWriter.WriteOscillator(silence200);
streamWriter.WriteOscillator(silence200);
streamWriter.WriteOscillator(sawtooth);
streamWriter.WriteOscillator(silence200);
streamWriter.WriteOscillator(sawtooth);
streamWriter.WriteOscillator(silence200);
streamWriter.WriteOscillator(silence200);
//for (int j = 0; j < 1; j++)
//{
// for (int i = 0; i < 2; i++)
// {
// for (int z = 0; z < 3; z++)
// {
// streamWriter.WriteChunk(smallBassChunk1);
// streamWriter.WriteOscillator(silence200);
// }
// for (int z = 0; z < 2; z++)
// {
// streamWriter.WriteChunk(smallBassChunk1);
// streamWriter.WriteOscillator(silence100);
// }
// }
// for (int i = 0; i < 4; i++)
// {
// for (int z = 0; z < 3; z++)
// {
// streamWriter.WriteChunk(smallBassChunk2);
// streamWriter.WriteOscillator(silence200);
// }
// for (int z = 0; z < 2; z++)
// {
// streamWriter.WriteChunk(smallBassChunk2);
// streamWriter.WriteOscillator(silence100);
// }
// }
//}
//for (int i = 0; i < 3; i++)
//{
// streamWriter.WriteChunk(motorChunk);
// streamWriter.WriteOscillator(silence600);
//}
//for (int z = 0; z < 10; z++)
//{
// streamWriter.WriteChunk(smallBassChunk2);
// streamWriter.WriteOscillator(silence200);
//}
//freq = 60;
//for (int z = 0; z < 5; z++)
//{
// streamWriter.WriteChunk(SampleHelper.MakeChordChunk(duration * 2, freq, 3000));
// streamWriter.WriteSilenceChunk(100);
// streamWriter.WriteChunk(SampleHelper.MakeChordChunk(duration * 2, freq, 3000));
// streamWriter.WriteSilenceChunk(50);
// streamWriter.WriteChunk(SampleHelper.MakeChordChunk(duration * 2, freq, 3000));
// streamWriter.WriteSilenceChunk(duration);
//}
//for (int j = 0; j < 2; j++)
//{
// freq = 60;
// for (int k = 0; k < 3; k++)
// {
// //WriteSample(MakeSample(duration, 50, 300), writer);
// //WriteSample(MakeSilenceSample(200), writer);
// SequenceHelper.WriteSample(SequenceHelper.MakeSample(duration * 2, freq, 3000), writer);
// SequenceHelper.WriteSilenceSample(100, writer);
// SequenceHelper.WriteSample(SequenceHelper.MakeSample(duration * 2, freq, 3000), writer);
// SequenceHelper.WriteSilenceSample(50, writer);
// SequenceHelper.WriteSample(SequenceHelper.MakeSample(duration * 2, freq, 3000), writer);
// SequenceHelper.WriteSilenceSample(duration, writer);
// }
// freq = ((j % 2) != 0) ? 180 : 260;
// int repeatSeq = ((j % 2) == 0) ? 2 : 2;
// duration = ((j % 2) == 0) ? 100 : 100;
// SequenceHelper.WriteUpDownSample(4000, 1500, 500, freq, 1000, writer);
// SequenceHelper.WriteSilenceSample(duration * 2, writer);
// //for (int i = 0; i < repeatSeq; i++)
// //{
// // WriteSample(MakeSample(duration * 3, 50, 300), writer);
// // //if (j != (repeatGlobalCount - 1))
// // // WriteSample(MakeSample(duration, 30, 3000), writer);
// //}
//}
streamWriter.Close();
}
SoundPlayer player = new SoundPlayer(".\\output.wav");
player.Load();
player.PlaySync();
Application.Current.MainWindow.Close();
//OscToFile(@".\SampleSine.wav", new Oscillator(WaveType.Sine, 1000, 4000, 300, 2));
//OscToFile(@".\SampleSawtooth.wav", new Oscillator(WaveType.Sawtooth, 1000, 4000, 300, 2));
//OscToFile(@".\SampleSquare.wav", new Oscillator(WaveType.Square, 1000, 4000, 300, 2));
}
private void btnTestForm_Click(object sender, EventArgs e)
{
using (MemoryStream stream = new MemoryStream())
{
WaveStreamWriter streamWriter = new WaveStreamWriter(stream);
// streamWriter.WriteSilenceChunk(5);
int freq = (int)waveFormControl.Frequency;
int duration = (int)waveFormControl.Duration;
int amp = (int)waveFormControl.Amplitude;
List <Tone> tones = new List <Tone>();
tones.Add(Tones.Item("Do3"));
tones.Add(Tones.Item("Ré3"));
tones.Add(Tones.Item("Mi3"));
tones.Add(Tones.Item("Fa3"));
tones.Add(Tones.Item("Sol3"));
tones.Add(Tones.Item("La3"));
tones.Add(Tones.Item("Si3"));
tones.Add(Tones.Item("Do4"));
//foreach (var item in tones)
//{
////streamWriter.WriteOscillator(new Oscillator(WaveType.Sine, (int)numDuration.Value, item.Frequency, (int)numAmplitude.Value, 2));
//streamWriter.WriteChunk(SampleHelper.MakeChordChunk(duration, freq, amp, 2));
////streamWriter.WriteChunk(SampleHelper.MakeChordChunk(duration, freq, -amp, 2));
//streamWriter.WriteSilenceChunk(10);
//}
//foreach (var item in Tones.ToneList())
//{
// streamWriter.WriteOscillator(new Oscillator(WaveType.Sine, 200, item.Frequency, item.Amplitude, 2));
// streamWriter.WriteSilenceChunk(100);
//}
List <WaveType> types = lvWaveForms.GetSelectedForms();
AudioChunk chunk = new AudioChunk();
foreach (var item in types)
{
chunk.AddOscillator(item, duration, freq, amp, 2);
//chunk.AddOscillator(item, duration, freq, -amp, 2);
}
////chunk.AddOscillator(WaveType.Noise, duration, 40, 2000, 2);
////chunk.AddOscillator(WaveType.Noise, duration, 20, 1000, 2);
////for (int i = 0; i < 15; i++)
////{
//// chunk.AddOscillator(WaveType.Square, duration, freq - i, amp - (i * 200), 2);
//// chunk.AddOscillator(WaveType.Sawtooth, duration, freq - i, amp - (i * 200), 2);
//// //chunk.AddOscillator(WaveType.Sine, duration, freq -i, amp - (i * 100), 2);
////}
if (chunk.Oscillators.Count > 0)
{
streamWriter.WriteChunk(chunk);
streamWriter.WriteChunk(chunk);
streamWriter.WriteChunk(chunk);
}
streamWriter.Close();
PlayStream(stream);
}
}
private void btnNewChunk_Click(object sender, EventArgs e)
{
AudioChunk chunk = new AudioChunk();
chunkTree.AddChunk(chunk);
}
