protected override void GetSampleAsync(MediaStreamType mediaStreamType)
{
//System.Diagnostics.Debug.WriteLine(">>>>>>>>>>>>>>GetSampleAsync.");
DateTime now = DateTime.Now;
TimeSpan ts2 = new TimeSpan(now.Ticks);
TimeSpan ts1 = new TimeSpan(startTime.Ticks);
TimeSpan ts = ts2.Subtract(ts1);
System.Diagnostics.Debug.WriteLine("ts minutes " + ts.Minutes);
if (ts.TotalMinutes >= 60)
{
CallStreamComplete();
}
byte[] buffer = new byte[synth.BufferSize];
synth.GetNext(buffer);
using (var stream = new MemoryStream(buffer))
{
MediaStreamSample msSamp = new MediaStreamSample(
_audioDesc,
stream,
0,
synth.BufferSize,
_currentTimeStamp,
_emptySampleDict);
// Move our timestamp and position forward
_currentTimeStamp += synth.BufferSize * 10000000 / AvgBytesPerSec;
ReportGetSampleCompleted(msSamp);
}
}
private void OnAudioFilterRead(float[] data, int channels)
{
//This uses the Unity specific float method we added to get the buffer
midiStreamSynthesizer.GetNext(sampleBuffer);
for (int i = 0; i < data.Length; i++)
{
data[i] = sampleBuffer[i] * gain;
}
}
private void OnAudioFilterRead(float[] data, int channels)
{
midiStreamSynthesizer.GetNext(sampleBuffer);
for (int i = 0; i < data.Length; i++)
{
data[i] = sampleBuffer[i] * gain;
}
}
private void SynthesizeMidiSamples()
{
while (availableSamplesSynthesizerSampleRate.Size < availableSamplesSynthesizerSampleRate.Capacity / 2)
{
midiStreamSynthesizer.GetNext(newSampleBuffer);
for (int i = 0; i < newSampleBuffer.Length; i++)
{
availableSamplesSynthesizerSampleRate.PushBack(newSampleBuffer[i]);
}
}
}
private void OnAudioFilterRead(float[] data, int channels)
{
try
{
midiStreamSynthesizer.GetNext(sampleBuffer);
for (int i = 0; i < data.Length; i++)
{
data[i] = sampleBuffer[i] * gain;
}
_metronome.SetElapsedTime(midiSequencer.Time + _loopOffset + _BeatOffset);
}
catch (Exception e)
{
Debug.LogError(e);
throw;
}
}
public void Mix(float[] data, int channels)
{
int sample = data.Length / channels;
//单通道采样即可
midiStreamSynthesizer.GetNext(sampleBuffer, sample);
for (int i = 0; i < sample; i++)
{
float b = sampleBuffer[i] * volume;
for (int c = 0; c < channels; c++)
{
float a = data[i * channels + c];
data[i * channels + c] = a + b - a * b;
}
}
float[] realout = new float[data.Length];
float[] imagout = new float[data.Length];
Ernzo.DSP.FFT.Compute((uint)data.Length, data, null, realout, imagout, false);
}
private void OnAudioFilterRead(float[] data, int channels)
{
midiStreamSynthesizer.GetNext(sampleBuffer);
float[] tempBuffer;
tempBuffer = new float[data.Length];
bool bufferEmpty = true;
for (int i = 0; i < data.Length; i++)
{
data[i] = sampleBuffer[i] * gain;
tempBuffer[i] = sampleBuffer[i] * gain;
if (sampleBuffer[i] != 0)
{
bufferEmpty = false;
}
}
if (!bufferEmpty)
{
dataSequence.Add(tempBuffer);
bufferCount += tempBuffer.Length;
}
}
// See http://unity3d.com/support/documentation/ScriptReference/MonoBehaviour.OnAudioFilterRead.html for reference code
private void OnAudioFilterRead(float[] data, int channels)
{
midiStreamSynthesizer.GetNext(sampleBuffer);
}