//Function for adding a new sound to the soundbuffer.
private void SetBuffer(ref short[] tmpSound)
{
soundStack.Push((short[])sounds.Clone());
//tmpSound = lowPass(ref tmpSound, 1000);
int value;
for (int j = 0; j < sounds.Length; j++)
{
value = ((int)sounds[j] + (int)tmpSound[j] - (int)(sounds[j] * tmpSound[j]) / short.MaxValue);
//Test if the value is bigger then a short, if so set it to maximum value for a short
if (value > short.MaxValue)
{
value = short.MaxValue;
}
//Same thing for negative values.
else if (value < short.MinValue)
{
value = short.MinValue;
}
sounds[j] = (short)value;
}
// Lock the buffer
DataStream dataPart2;
var dataPart1 = secondarySoundBuffer.Lock(0, capabilities.BufferBytes, LockFlags.EntireBuffer, out dataPart2);
foreach (short val in sounds)
{
dataPart1.Write(val);
dataPart1.Write(val);
}
// Unlock the buffer
secondarySoundBuffer.Unlock(dataPart1, dataPart2);
}
public unsafe void QueueAudio()
{
// the first time through begin writing from the write cursor
if (_soundBufferCursor == -1)
{
_soundBuffer.GetCurrentPosition(out _, out int writeCursor);
_soundBufferCursor = writeCursor;
}
int bytesToWrite = _sampleCount * sizeof(AudioFrame <short>);
DataStream ds1 = _soundBuffer.Lock(_soundBufferCursor, bytesToWrite, LockFlags.None, out DataStream ds2);
fixed(AudioFrame <short> *p = _sampleBuffer)
{
byte *b = (byte *)p;
ds1.WriteRange((IntPtr)b, ds1.Length);
if (ds2 != null)
{
b += ds1.Length;
ds2.WriteRange((IntPtr)b, ds2.Length);
}
}
_soundBuffer.Unlock(ds1, ds2);
_soundBufferCursor = (_soundBufferCursor + bytesToWrite) % _soundBufferLength;
_sampleCount = 0;
}
static void Main(string[] args)
{
DirectSound directSound = new DirectSound();
var form = new Form();
form.Text = "SharpDX - DirectSound Demo";
// Set Cooperative Level to PRIORITY (priority level can call the SetFormat and Compact methods)
//
directSound.SetCooperativeLevel(form.Handle, CooperativeLevel.Priority);
// Create PrimarySoundBuffer
var primaryBufferDesc = new SoundBufferDescription();
primaryBufferDesc.Flags = BufferFlags.PrimaryBuffer;
primaryBufferDesc.AlgorithmFor3D = Guid.Empty;
var primarySoundBuffer = new PrimarySoundBuffer(directSound, primaryBufferDesc);
// Play the PrimarySound Buffer
primarySoundBuffer.Play(0, PlayFlags.Looping);
// Default WaveFormat Stereo 44100 16 bit
WaveFormat waveFormat = new WaveFormat();
// Create SecondarySoundBuffer
var secondaryBufferDesc = new SoundBufferDescription();
secondaryBufferDesc.BufferBytes = waveFormat.ConvertLatencyToByteSize(60000);
secondaryBufferDesc.Format = waveFormat;
secondaryBufferDesc.Flags = BufferFlags.GetCurrentPosition2 | BufferFlags.ControlPositionNotify | BufferFlags.GlobalFocus |
BufferFlags.ControlVolume | BufferFlags.StickyFocus;
secondaryBufferDesc.AlgorithmFor3D = Guid.Empty;
var secondarySoundBuffer = new SecondarySoundBuffer(directSound, secondaryBufferDesc);
// Get Capabilties from secondary sound buffer
var capabilities = secondarySoundBuffer.Capabilities;
// Lock the buffer
DataStream dataPart2;
var dataPart1 =secondarySoundBuffer.Lock(0, capabilities.BufferBytes, LockFlags.EntireBuffer, out dataPart2);
// Fill the buffer with some sound
int numberOfSamples = capabilities.BufferBytes/waveFormat.BlockAlign;
for (int i = 0; i < numberOfSamples; i++)
{
double vibrato = Math.Cos(2 * Math.PI * 10.0 * i /waveFormat.SampleRate);
short value = (short) (Math.Cos(2*Math.PI*(220.0 + 4.0 * vibrato)*i/waveFormat.SampleRate)*16384); // Not too loud
dataPart1.Write(value);
dataPart1.Write(value);
}
// Unlock the buffer
secondarySoundBuffer.Unlock(dataPart1, dataPart2);
// Play the song
secondarySoundBuffer.Play(0, PlayFlags.Looping);
Application.Run(form);
}
static void Main(string[] args)
{
Console.WriteLine("1 - Direct sound");
Console.WriteLine("2 - Windows media player");
Console.WriteLine("Twój wybór:");
string wartosc = Console.ReadLine();
if (wartosc == "1")
{
Console.Write("Podaj nazwe pliku z pulpitu: ");
string nazwa_pliku = Console.ReadLine();
var path = "C:\\Users\\lab\\Desktop\\" + nazwa_pliku;
DirectSound directSound = new DirectSound();
var primaryBufferDesc = new SoundBufferDescription();
primaryBufferDesc.Flags = BufferFlags.PrimaryBuffer;
var primarySoundBuffer = new PrimarySoundBuffer(directSound, primaryBufferDesc);
primarySoundBuffer.Play(0, PlayFlags.Looping);
WaveFormat waveFormat = new WaveFormat();
var secondaryBufferDesc = new SoundBufferDescription();
secondaryBufferDesc.BufferBytes = waveFormat.ConvertLatencyToByteSize(60000);
secondaryBufferDesc.Format = waveFormat;
secondaryBufferDesc.Flags = BufferFlags.GetCurrentPosition2 | BufferFlags.ControlPositionNotify | BufferFlags.GlobalFocus |
BufferFlags.ControlVolume | BufferFlags.StickyFocus;
secondaryBufferDesc.AlgorithmFor3D = Guid.Empty;
var secondarySoundBuffer = new SecondarySoundBuffer(directSound, secondaryBufferDesc);
var capabilities = secondarySoundBuffer.Capabilities;
//Stream stream = File.Open(path, FileMode.Open);
//byte[] arrayTest = ReadFully(stream);
byte[] array = File.ReadAllBytes(path);
DataStream dataPart2;
var dataPart1 = secondarySoundBuffer.Lock(0, capabilities.BufferBytes, LockFlags.EntireBuffer, out dataPart2);
dataPart1.Read(array, 0, array.Length);
int numberOfSamples = capabilities.BufferBytes / waveFormat.BlockAlign;
for (int i = 0; i < numberOfSamples; i++)
{
double vibrato = Math.Cos(2 * Math.PI * 10.0 * i / waveFormat.SampleRate);
short value = (short)(Math.Cos(2 * Math.PI * (220.0 + 4.0 * vibrato) * i / waveFormat.SampleRate) * 16384); // Not too loud
dataPart1.Write(value);
}
secondarySoundBuffer.Unlock(dataPart1, dataPart2);
secondarySoundBuffer.Play(0, PlayFlags.None);
}
else
{
Console.Write("Podaj nazwe pliku z pulpitu: ");
string nazwa_pliku = Console.ReadLine();
player = new WindowsMediaPlayer();
player.URL = "C:\\Users\\lab\\Desktop\\" + nazwa_pliku;
player.controls.play();
}
}
private void FillBuffer(SecondarySoundBuffer buffer, T value)
{
DataStream ds = buffer.Lock(0, 0, LockFlags.EntireBuffer, out DataStream ds2);
for (int i = 0; i < ds.Length; i++)
{
ds.Write(value);
}
buffer.Unlock(ds, ds2);
}
public SoundEffect LoadSoundEffect(string filename)
{
WaveFile wave = WaveFile.LoadFromFile(filename);
var bufferDescription = new SoundBufferDescription
{
BufferBytes = wave.SampleData.Length,
Format = new WaveFormat((int)wave.Format.SamplesPerSec, wave.Format.BitsPerSample, wave.Format.Channels),
AlgorithmFor3D = Guid.Empty
};
var secondaryBuffer = new SecondarySoundBuffer(_directSound, bufferDescription);
var capabilities = secondaryBuffer.Capabilities;
var dataStream1 = secondaryBuffer.Lock(0, capabilities.BufferBytes, LockFlags.EntireBuffer, out var dataStream2);
dataStream1.Write(wave.SampleData, 0, wave.SampleData.Length);
secondaryBuffer.Unlock(dataStream1, dataStream2);
return(new SoundEffect(secondaryBuffer));
}
public void SetSound(string fileName, int volume)
{
if (FileName == fileName)
{
return;
}
FileName = fileName;
if (File.Exists(FileName))
{
var desc = new SoundBufferDescription();
desc.Flags = BufferFlags.GetCurrentPosition2 | BufferFlags.ControlFrequency | BufferFlags.ControlPan |
BufferFlags.ControlVolume | BufferFlags.GlobalFocus;
// Open the wave file in binary.
var reader = new BinaryReader(File.OpenRead(fileName));
// Read in the wave file header.
var chunkId = new string(reader.ReadChars(4));
var chunkSize = reader.ReadInt32();
var format = new string(reader.ReadChars(4));
var subChunkId = new string(reader.ReadChars(4));
var subChunkSize = reader.ReadInt32();
var audioFormat = (WaveFormatEncoding)reader.ReadInt16();
var numChannels = reader.ReadInt16();
var sampleRate = reader.ReadInt32();
var bytesPerSecond = reader.ReadInt32();
var blockAlign = reader.ReadInt16();
var bitsPerSample = reader.ReadInt16();
var dataChunkId = new string(reader.ReadChars(4));
var dataSize = reader.ReadInt32();
// Check that the chunk ID is the RIFF format
// and the file format is the WAVE format
// and sub chunk ID is the fmt format
// and the audio format is PCM
// and the wave file was recorded in stereo format
// and there is the data chunk header.
// Otherwise return false.
if (chunkId != "RIFF" || format != "WAVE" || subChunkId.Trim() != "fmt" || audioFormat != WaveFormatEncoding.Pcm || dataChunkId != "data" || dataSize < 0)
{
_buffer = null;
return;
}
// Set the buffer description of the secondary sound buffer that the wave file will be loaded onto and the wave format.
var bufferDesc = new SoundBufferDescription();
bufferDesc.Flags = BufferFlags.GetCurrentPosition2 | BufferFlags.ControlPositionNotify | BufferFlags.GlobalFocus |
BufferFlags.ControlVolume | BufferFlags.StickyFocus;
bufferDesc.BufferBytes = dataSize;
bufferDesc.Format = new WaveFormat(sampleRate, bitsPerSample, numChannels);
bufferDesc.AlgorithmFor3D = Guid.Empty;
// Create a temporary sound buffer with the specific buffer settings.
_buffer = new SecondarySoundBuffer(_dSound, bufferDesc);
// Read in the wave file data into the temporary buffer.
var waveData = reader.ReadBytes(dataSize);
// Close the reader
reader.Close();
// Lock the secondary buffer to write wave data into it.
DataStream waveBufferData2;
var waveBufferData1 = _buffer.Lock(0, dataSize, LockFlags.None, out waveBufferData2);
// Copy the wave data into the buffer.
waveBufferData1.Write(waveData, 0, dataSize);
// Unlock the secondary buffer after the data has been written to it.
_buffer.Unlock(waveBufferData1, waveBufferData2);
SetVolume(volume);
}
else
{
_buffer = null;
}
}
protected override bool LoadAudioFile(string audioFile, DirectSound directSound)
{
try
{
// Open the wave file in binary.
var reader = new BinaryReader(File.OpenRead(SystemConfiguration.DataFilePath + audioFile));
// Read in the wave file header.
chunkId = new string(reader.ReadChars(4));
chunkSize = reader.ReadInt32();
format = new string(reader.ReadChars(4));
subChunkId = new string(reader.ReadChars(4));
subChunkSize = reader.ReadInt32();
audioFormat = (WaveFormatEncoding )reader.ReadInt16();
numChannels = reader.ReadInt16();
sampleRate = reader.ReadInt32();
bytesPerSecond = reader.ReadInt32();
blockAlign = reader.ReadInt16();
bitsPerSample = reader.ReadInt16();
dataChunkId = new string(reader.ReadChars(4));
dataSize = reader.ReadInt32();
// Check that the chunk ID is the RIFF format
// and the file format is the WAVE format
// and sub chunk ID is the fmt format
// and the audio format is PCM
// and the wave file was recorded in stereo format
// and at a sample rate of 44.1 KHz
// and at 16 bit format
// and there is the data chunk header.
// Otherwise return false.
if (chunkId != "RIFF" || format != "WAVE" || subChunkId.Trim() != "fmt" || audioFormat != WaveFormatEncoding.Pcm || numChannels != 2 || sampleRate != 44100 || bitsPerSample != 16 || dataChunkId != "data")
{
return(false);
}
// Set the buffer description of the secondary sound buffer that the wave file will be loaded onto and the wave format.
var buffer = new SoundBufferDescription();
buffer.Flags = BufferFlags.ControlVolume;
buffer.BufferBytes = dataSize;
buffer.Format = new WaveFormat(44100, 16, 2);
buffer.AlgorithmFor3D = Guid.Empty;
// Create a temporary sound buffer with the specific buffer settings.
_SecondaryBuffer = new SecondarySoundBuffer(directSound, buffer);
// Read in the wave file data into the temporary buffer.
var waveData = reader.ReadBytes(dataSize);
// Close the reader
reader.Close();
// Lock the secondary buffer to write wave data into it.
DataStream waveBufferData2;
var waveBufferData1 = _SecondaryBuffer.Lock(0, dataSize, LockFlags.None, out waveBufferData2);
// Copy the wave data into the buffer.
waveBufferData1.Write(waveData, 0, dataSize);
// Unlock the secondary buffer after the data has been written to it.
var result = _SecondaryBuffer.Unlock(waveBufferData1, waveBufferData2);
if (result != Result.Ok)
{
return(false);
}
}
catch
{
return(false);
}
return(true);
}
private SecondarySoundBuffer initializeSecondaryBuffer(string fileName, IntPtr handle)
{
var directSound = new DirectSound();
directSound.SetCooperativeLevel(handle, CooperativeLevel.Exclusive);
// Open the wave file in binary.
var reader = new BinaryReader(File.OpenRead(FileName));
// Read in the wave file header.
var chunkId = new string(reader.ReadChars(4));
var chunkSize = reader.ReadInt32();
var format = new string(reader.ReadChars(4));
var subChunkId = new string(reader.ReadChars(4));
var subChunkSize = reader.ReadInt32();
var audioFormat = (WaveFormatEncoding)reader.ReadInt16();
var numChannels = reader.ReadInt16();
var sampleRate = reader.ReadInt32();
var bytesPerSecond = reader.ReadInt32();
var blockAlign = reader.ReadInt16();
var bitsPerSample = reader.ReadInt16();
var dataChunkId = new string(reader.ReadChars(4));
var dataSize = reader.ReadInt32();
// Check that the chunk ID is the RIFF format
// and the file format is the WAVE format
// and sub chunk ID is the fmt format
// and the audio format is PCM
// and the wave file was recorded in stereo format
// and at a sample rate of 44.1 KHz
// and at 16 bit format
// and there is the data chunk header.
// Otherwise return false.
if (chunkId != "RIFF" || format != "WAVE" || subChunkId.Trim() != "fmt" ||
audioFormat != WaveFormatEncoding.Pcm || numChannels != 2 || sampleRate != 44100 ||
bitsPerSample != 16 || dataChunkId != "data")
{
return(null);
}
// Set the buffer description of the secondary sound buffer that the wave file will be loaded onto and the wave format.
var buffer = new SoundBufferDescription
{
Flags = BufferFlags.ControlVolume,
BufferBytes = dataSize,
Format = new WaveFormat(44100, 16, 2),
AlgorithmFor3D = Guid.Empty
};
// Create a temporary sound buffer with the specific buffer settings.
var secondaryBuffer = new SecondarySoundBuffer(directSound, buffer);
// Read in the wave file data into the temporary buffer.
var waveData = reader.ReadBytes(dataSize);
// Close the reader
reader.Close();
// Lock the secondary buffer to write wave data into it.
var waveBufferData1 = secondaryBuffer.Lock(0, dataSize, LockFlags.None, out var waveBufferData2);
// Copy the wave data into the buffer.
waveBufferData1.Write(waveData, 0, dataSize);
// Unlock the secondary buffer after the data has been written to it.
secondaryBuffer.Unlock(waveBufferData1, waveBufferData2);
return(secondaryBuffer);
}
