public void PlaySound(Tone tone, TimeSpan duration)
{
Deployment.Current.Dispatcher.BeginInvoke(() =>
{
if (_timer == null)
{
_timer = new DispatcherTimer
{
Interval = TimeSpan.FromMilliseconds(33)
};
_timer.Tick += delegate { try { FrameworkDispatcher.Update(); } catch { } };
}
if (_timer.IsEnabled)
{
_timer.Stop();
}
_timeLeft = duration;
FrameworkDispatcher.Update();
_frequency = tone;
_dynamicSound = new DynamicSoundEffectInstance(SampleRate, AudioChannels.Mono);
_dynamicSound.BufferNeeded += dynamicSound_BufferNeeded;
_dynamicSound.Play();
_bufferSize = _dynamicSound.GetSampleSizeInBytes(TimeSpan.FromSeconds(1));
_soundBuffer = new byte[_bufferSize];
_timer.Start();
});
}
/*
******************************************************
*** BackgroundMusicPlayer
*** Kevin Anderson
******************************************************
*** Required constructor for BackgroundMusicPlayer.
*** Method Inputs:
*** waveFileStream - Music file.
*** Return value:
*** NA
******************************************************
*** 11/13/2015
******************************************************
*/
public BackgroundMusicPlayer(System.IO.Stream waveFileStream)
{
this.waveFileStream = waveFileStream;
reader = new BinaryReader(this.waveFileStream);
chunkID = reader.ReadInt32();
fileSize = reader.ReadInt32();
riffType = reader.ReadInt32();
fmtID = reader.ReadInt32();
fmtSize = reader.ReadInt32();
fmtCode = reader.ReadInt16();
channels = reader.ReadInt16();
sampleRate = reader.ReadInt32();
fmtAvgBPS = reader.ReadInt32();
fmtBlockAlign = reader.ReadInt16();
bitDepth = reader.ReadInt16();
if (fmtSize == 18)
{
// Read any extra values.
fmtExtraSize = reader.ReadInt16();
reader.ReadBytes(fmtExtraSize);
}
dataID = reader.ReadInt32();
dataSize = reader.ReadInt32();
byteArray = reader.ReadBytes(dataSize);
dynamicSound = new DynamicSoundEffectInstance(sampleRate, (AudioChannels)channels);
count = dynamicSound.GetSampleSizeInBytes(TimeSpan.FromMilliseconds(100));
dynamicSound.BufferNeeded += new EventHandler <EventArgs>(DynamicSound_BufferNeeded);
}
private void TriggerWavePlay()
{
int sampleFactor = MultiplySamples();
Channel_Out.Stop();
Channel_Out.Play();
//take a sample
var sampleLength = Channel_Out.GetSampleSizeInBytes(TimeSpan.FromSeconds(SoundLength));
while (Channel_Out.PendingBufferCount < 3)
{
waveBuffer = new short[10 * pendingSamples.Count * sampleFactor];
for (int i = 0; i < 10 * pendingSamples.Count; i++)
{
for (int j = 0; j < sampleFactor; j++)
{
waveBuffer[sampleFactor * i + j] = pendingSamples[i % pendingSamples.Count];
}
wavePatternIndex++;
}
if (waveBuffer.Length > 0)
{
bBuffer = waveBuffer.SelectMany(x => BitConverter.GetBytes(x)).ToArray();
Channel_Out.SubmitBuffer(bBuffer);
bytesWritten += bBuffer.Length;
}
}
if (bytesWritten > bytesToWrite)
{
Restart = false;
}
}
public XnaSound(int sampleRate, int bufferCount)
{
const int frameRate = 50;
const int channelCount = 2;
if ((sampleRate % frameRate) != 0)
{
throw new ArgumentOutOfRangeException("sampleRate", "Sample rate must be a multiple of 50!");
}
m_sampleRate = sampleRate;
m_bufferLength = (sampleRate / frameRate) * channelCount * 2;
m_soundEffect = new DynamicSoundEffectInstance(
sampleRate,
channelCount == 1 ? AudioChannels.Mono : AudioChannels.Stereo);
var needSize = m_soundEffect.GetSampleSizeInBytes(
TimeSpan.FromMilliseconds(20));
var bufferCountReal = needSize * bufferCount / m_bufferLength;
if (bufferCountReal < bufferCount)
{
bufferCountReal = bufferCount;
}
for (var i = 0; i < bufferCountReal; i++)
{
m_fillQueue.Enqueue(new byte[m_bufferLength]);
}
m_soundEffect.BufferNeeded += SoundEffect_OnBufferNeeded;
m_soundEffect.Play();
}
/// <summary>
/// インスタンスを生成します。
/// StreamingWave が存在する間、ストリーミングのために input はオープン状態が継続され、
/// Dispose メソッドでその Dispose メソッドが呼び出されます。
/// </summary>
/// <param name="input">Wave ファイルの Stream。</param>
/// <param name="bufferDuration">バッファリングする再生時間。</param>
public StreamingWave(Stream input, TimeSpan bufferDuration)
{
if (input == null)
{
throw new ArgumentNullException("input");
}
this.input = input;
reader = new BinaryReader(input);
// 'data' chunk のデータ部の直前まで読み込みます。
riffChunk = RiffChunk.ReadFrom(reader);
formatChunk = WaveFormatChunk.ReadFrom(reader);
dataChunkHeader = ChunkHeader.ReadFrom(reader);
// 'data' chunk のデータ部の開始位置を記憶します。
dataOffset = input.Position;
int sampleRate = (int)formatChunk.SampleRate;
AudioChannels channels = (AudioChannels)formatChunk.Channels;
dynamicSound = new DynamicSoundEffectInstance(sampleRate, channels);
dynamicSound.BufferNeeded += new EventHandler <EventArgs>(OnDynamicSoundBufferNeeded);
bufferSize = dynamicSound.GetSampleSizeInBytes(bufferDuration);
buffer = new byte[bufferSize];
readDataAsyncCaller = new ReadDataAsyncCaller(ReadData);
}
private void InitializeAudio()
{
dynamicSound = new DynamicSoundEffectInstance(22050, AudioChannels.Mono);
soundBuffer = new byte[dynamicSound.GetSampleSizeInBytes(TimeSpan.FromMilliseconds(250))];
//dynamicSound.BufferNeeded += new EventHandler<EventArgs>(DynamicSoundBufferNeeded);
emulator.Mikey.AudioFilter.BufferReady += new EventHandler <BufferEventArgs>(OnAudioFilterBufferReady);
dynamicSound.Play();
}
public AudioSource()
{
DSEI = new DynamicSoundEffectInstance(SampleRate, AudioChannels.Mono);
BufferSize = DSEI.GetSampleSizeInBytes(TimeSpan.FromMilliseconds(500));
Buffer = new byte[BufferSize];
DSEI.Volume = 0.4f;
DSEI.IsLooped = false;
}
OggSong(VorbisReader _reader)
{
reader = _reader;
effect = new DynamicSoundEffectInstance(reader.SampleRate, (AudioChannels)reader.Channels);
buffer = new byte[effect.GetSampleSizeInBytes(TimeSpan.FromMilliseconds(500))];
nvBuffer = new float[buffer.Length / 2];
// When a buffer is needed, set our handle so the helper thread will read in more data
effect.BufferNeeded += (s, e) => needBufferHandle.Set();
}
public OggSong(string oggFile)
{
reader = new VorbisReader(oggFile);
sound = new DynamicSoundEffectInstance(reader.SampleRate, (AudioChannels)reader.Channels);
buffer = new byte[sound.GetSampleSizeInBytes(TimeSpan.FromMilliseconds(500))];
nvBuffer = new float[buffer.Length / 2];
// when a buffer is needed, set our handle so the helper thread will read in more data
sound.BufferNeeded += (s, e) => needBufferHandle.Set();
}
/// <summary>
/// Constructor.
/// </summary>
public XnaAudio()
{
// Event handler for getting audio data when the buffer is full
microphone.BufferDuration = TimeSpan.FromMilliseconds(100);
microphone.BufferReady += new EventHandler <EventArgs>(microphone_BufferReady);
// initialize dynamic sound effect instance
playback = new DynamicSoundEffectInstance(microphone.SampleRate, AudioChannels.Mono);
playback.BufferNeeded += GetSamples;
sampleSize = playback.GetSampleSizeInBytes(TimeSpan.FromMilliseconds(100));
}
public void GetSampleSizeInBytes()
{
var monoInstance = new DynamicSoundEffectInstance(48000, AudioChannels.Mono);
var stereoInstance = new DynamicSoundEffectInstance(22050, AudioChannels.Stereo);
// Zero length
Assert.AreEqual(0, monoInstance.GetSampleSizeInBytes(TimeSpan.Zero));
Assert.AreEqual(0, stereoInstance.GetSampleSizeInBytes(TimeSpan.Zero));
// Nonzero length
Assert.AreEqual(96000, monoInstance.GetSampleSizeInBytes(TimeSpan.FromSeconds(1)));
Assert.AreEqual(88200, stereoInstance.GetSampleSizeInBytes(TimeSpan.FromSeconds(1)));
// Negative length
Assert.Throws <ArgumentOutOfRangeException>(() => { monoInstance.GetSampleSizeInBytes(TimeSpan.FromSeconds(-1)); });
// Disposed
monoInstance.Dispose();
Assert.Throws <ObjectDisposedException>(() => { monoInstance.GetSampleSizeInBytes(TimeSpan.Zero); });
stereoInstance.Dispose();
}
public VGMSong(string file)
{
_instance = new DynamicSoundEffectInstance(44100, (AudioChannels)2);
_buffer = new byte[_instance.GetSampleSizeInBytes(TimeSpan.FromMilliseconds(150))];
_intBuffer = new int[_buffer.Length / 2];
_instance.BufferNeeded += StreamVGM;
OpenVGMFile(file);
int Sound_Rate = 44100;
int Clock_NTSC = (int)_VGMHead.lngHzYM2612;
_chip.Initialize(Clock_NTSC, Sound_Rate);
_psg.Initialize(_VGMHead.lngHzPSG);
}
private void GetSoundBuffer(object sender, EventArgs e)
{
var buffer = new byte[_dynamicSound.GetSampleSizeInBytes(TimeSpan.FromSeconds(1))];
const double sampleSize = 48000 * 2;
const double t = (Math.PI) / sampleSize;
for (long i = 0; (i + 1) < buffer.Length; i += 2)
{
var theta = i * t * _currentToneFrequency;
float amplitude = (int)(Math.Sin((float)theta) * 64);
var oldAmplitude = (float)((buffer[i] << 8) | buffer[i + 1]);
amplitude = (amplitude + oldAmplitude) * 0.5f;
var data = (int)amplitude;
buffer[i] = (byte)(data >> 8);
buffer[i + 1] = (byte)data;
}
_dynamicSound.SubmitBuffer(buffer);
}
/// <summary>
/// Load a wav file into the stream to be played.
/// </summary>
public void LoadWavFromFileToStream(string p)
{
// Create a new SpriteBatch, which can be used to draw textures.
string file = p;
System.IO.Stream waveFileStream = File.OpenRead(file); //TitleContainer.OpenStream(file);
BinaryReader reader = new BinaryReader(waveFileStream);
int chunkID = reader.ReadInt32();
int fileSize = reader.ReadInt32();
int riffType = reader.ReadInt32();
int fmtID = reader.ReadInt32();
int fmtSize = reader.ReadInt32();
int fmtCode = reader.ReadInt16();
int channels = reader.ReadInt16();
int sampleRate = reader.ReadInt32();
int fmtAvgBPS = reader.ReadInt32();
int fmtBlockAlign = reader.ReadInt16();
int bitDepth = reader.ReadInt16();
if (fmtSize == 18)
{
// Read any extra values
int fmtExtraSize = reader.ReadInt16();
reader.ReadBytes(fmtExtraSize);
}
int dataID = reader.ReadInt32();
int dataSize = reader.ReadInt32();
byteArray = reader.ReadBytes(dataSize);
dynamicSound = new DynamicSoundEffectInstance(sampleRate, (AudioChannels)channels);
count = dynamicSound.GetSampleSizeInBytes(TimeSpan.FromMilliseconds(10000));
dynamicSound.BufferNeeded += new EventHandler <EventArgs>(DynamicSound_BufferNeeded);
this.currentSong = new Song(p);
}
/// <summary>
/// Load the song from the path so that we can stream it.
/// </summary>
/// <returns></returns>
public DynamicSoundEffectInstance loadSongIntoStream()
{
System.IO.Stream waveFileStream = TitleContainer.OpenStream(this.fileLocation);
BinaryReader reader = new BinaryReader(waveFileStream);
int chunkID = reader.ReadInt32();
int fileSize = reader.ReadInt32();
int riffType = reader.ReadInt32();
int fmtID = reader.ReadInt32();
int fmtSize = reader.ReadInt32();
int fmtCode = reader.ReadInt16();
int channels = reader.ReadInt16();
int sampleRate = reader.ReadInt32();
int fmtAvgBPS = reader.ReadInt32();
int fmtBlockAlign = reader.ReadInt16();
int bitDepth = reader.ReadInt16();
if (fmtSize == 18)
{
// Read any extra values
int fmtExtraSize = reader.ReadInt16();
reader.ReadBytes(fmtExtraSize);
}
int dataID = reader.ReadInt32();
int dataSize = reader.ReadInt32();
byteArray = reader.ReadBytes(dataSize);
dynamicSound = new DynamicSoundEffectInstance(sampleRate, (AudioChannels)channels);
count = dynamicSound.GetSampleSizeInBytes(TimeSpan.FromMilliseconds(100));
bufferHandler = new EventHandler <EventArgs>(DynamicSound_BufferNeeded);
dynamicSound.BufferNeeded += bufferHandler;
return(this.dynamicSound);
}
