void OnEnable()
{
Mixer = new MyMixer((UInt32)AudioSettings.outputSampleRate, false);
Synthesizer = new MySynthesizerPM8(Mixer);
Sequencer = new MyMMLSequencer(Mixer.TickFrequency);
Mixer.TickCallback = () => { Sequencer.Tick(); };
//UnityEngine.Debug.Log("sampleRate=" + AudioSettings.outputSampleRate + " numVoices=" + Synthesizer.MaxNumVoices);
int len;
int num;
AudioSettings.GetDSPBufferSize(out len, out num);
//UnityEngine.Debug.Log("len=" + len);
//UnityEngine.Debug.Log("num=" + num);
}
public AudioClip CreateAudioClip(string name, MyMMLSequence mml, List <object> toneSet, Dictionary <int, int> toneMap)
{
const int frequency = 44100;
const int numChannels = 2;
MyMixer mix = new MyMixer(frequency, true);
MySynthesizer ss0 = new MySynthesizerPM8(mix);
MyMMLSequencer seq = new MyMMLSequencer(mix.TickFrequency);
mix.TickCallback = () => seq.Tick();
seq.SetSynthesizer(0, ss0, toneSet, toneMap, 0xffffffffU);
seq.Play(mml, 0.0f, false);
int totalSamples = 0;
LinkedList <float[]> temp = new LinkedList <float[]>();
const int workSize = 4096;
float[] work = new float[workSize * numChannels];
bool first = true;
for (;;)
{
Array.Clear(work, 0, work.Length);
if (seq.Playing)
{
mix.Update();
}
int numSamples = mix.Output(work, numChannels, workSize);
if (numSamples == 0)
{
break;
}
if (first)
{
// skip leading zeros.
for (var i = 0; i < numSamples; i++)
{
if ((work[i * 2 + 0] != 0.0f) || (work[i * 2 + 1] != 0.0f))
{
first = false;
numSamples -= i;
float[] block = new float[numSamples * numChannels];
Array.Copy(work, i * 2, block, 0, numSamples * numChannels);
temp.AddLast(block);
break;
}
}
}
else
{
float[] block = new float[numSamples * numChannels];
Array.Copy(work, block, numSamples * numChannels);
temp.AddLast(block);
}
totalSamples += numSamples;
}
AudioClip clip = AudioClip.Create(name, totalSamples, numChannels, frequency, false);
int pos = 0;
foreach (var block in temp)
{
clip.SetData(block, pos);
pos += block.Length / numChannels;
}
ss0.Terminate();
mix.Terminate();
return(clip);
}