public virtual void Read(Note[] notes, float[] buffer, int inclusiveFrom, int exclusiveTo, NoteWaveArgs args)
{
Debug.Assert(notes != null, "NoteWaveProvider.Read: notes == null");
foreach (var n in notes)
{
n.UpdatePhase(FTime);
}
}
public override void Read(Note[] notes, float[] buffer, int inclusiveFrom, int exclusiveTo, NoteWaveArgs args)
{
base.Read(notes, buffer, inclusiveFrom, exclusiveTo, args);
var count = exclusiveTo - inclusiveFrom;
var count2 = count / 2;
double startTime = FTime;
Parallel.For(0, count2, (n) =>
{
var time = startTime + n * FTimeDelta;
SoundPointValue op = new SoundPointValue();
for (int i = 0; i < notes.Length; i++)
{
op += notes[i].GetValue(time);
}
op *= args.MasterVolume;
var index = inclusiveFrom + 2 * n;
buffer[index] = (float)op.Left;
buffer[index + 1] = (float)op.Right;
});
unsafe
{
// Фиксирую указатель на массив
fixed(float *bf = buffer)
{
// Указатель на начало массива
float *f = bf;
// Количество итераций - половина размера массива
var c = count2;
while (c > 0)
{
// Проверка для правого канала
if (*f > args.MaxR)
{
args.MaxR = *f;
}
f++;
// Проверка для левого канала
if (*f > args.MaxL)
{
args.MaxL = *f;
}
f++;
c--;
}
}
}
FTime += count2 * FTimeDelta;
}
public override void Read(Note[] notes, float[] buffer, int inclusiveFrom, int exclusiveTo, NoteWaveArgs args)
{
var s = sw.ElapsedMilliseconds;
if ((FOldSamplesHash != args.SamplesHash) || (FOldSamplesHash == 0))
{
FOldSamplesHash = args.SamplesHash;
InitSampleArgs(args.Samples);
}
Dictionary <int, int> wfIndexDict = new Dictionary <int, int>();
for (int i = 0; i < args.Samples.Length; i++)
{
wfIndexDict.Add(args.Samples[i].Key.GetHashCode(), i);
}
base.Read(notes, buffer, inclusiveFrom, exclusiveTo, args);
int timeChannelsCount = exclusiveTo - inclusiveFrom;
int nCount = notes.Length;
int pCount = 0;
if (nCount > 0)
{
pCount = notes[0].Points.Length;
}
OpenCLInfo info = new OpenCLInfo()
{
startTime = (float)FTime,
timeDelta = (float)FTimeDelta,
sampleRate = Format.SampleRate,
noteCount = (uint)nCount,
pointCount = (uint)pCount,
masterVolume = (float)args.MasterVolume
};
info.inclusiveFrom = (uint)inclusiveFrom;
OpenCLPointInfo[] points = new OpenCLPointInfo[nCount * pCount];
OpenCLNote[] envs = new OpenCLNote[nCount];
float[] result = new float[timeChannelsCount];
int index = 0;
for (int n = 0; n < nCount; n++)
{
for (int p = 0; p < pCount; p++, index++)
{
points[index] = new OpenCLPointInfo()
{
ampl = (float)notes[n].Points[p].Volume,
freq = (float)notes[n].Points[p].Frequency,
leftPct = (float)notes[n].Points[p].LeftPct,
rightPct = (float)notes[n].Points[p].RightPct,
wfIndex = -1,
isMute = (byte)(notes[n].Points[p].IsMute ? 1 : 0)
};
if (wfIndexDict.TryGetValue(notes[n].Points[p].Waveform.GetHashCode(), out var wfi))
{
points[index].wfIndex = wfi;
}
}
envs[n] = new OpenCLNote()
{
envelope = notes[n].Envelope.GetOpenCL(),
volume = (float)notes[n].Volume
};
}
long br = 0, ar = 0, ac = 0;
if (nCount * pCount > 0)
{
br = sw.ElapsedMilliseconds;
Run(new OpenCLInfo[] { info }, points, envs, result);
ar = sw.ElapsedMilliseconds;
if (App.DebugMode)
{
Debug.WriteLine("");
}
for (int i = 0, j = inclusiveFrom; i < result.Length; i++, j++)
{
var fR = result[i];
if (fR > args.MaxR)
{
args.MaxR = fR;
}
buffer[j] = fR;
i++; j++;
var fL = result[i];
if (fL > args.MaxL)
{
args.MaxL = fL;
}
buffer[j] = fL;
}
ac = sw.ElapsedMilliseconds;
}
else
{
for (int i = 0, j = inclusiveFrom; i < result.Length; i++, j++)
{
buffer[j] = 0;
}
}
FTime += timeChannelsCount / 2 * FTimeDelta;
var gc = sw.ElapsedMilliseconds;
if (App.DebugMode)
{
Debug.WriteLine($"OpenCLWaveProvider.Read: tot {gc - s}");
}
}
public override void Read(Note[] notes, float[] buffer, int inclusiveFrom, int exclusiveTo, NoteWaveArgs args)
{
base.Read(notes, buffer, inclusiveFrom, exclusiveTo, args);
for (int n = inclusiveFrom; n < exclusiveTo; n++)
{
SoundPointValue op = new SoundPointValue();
for (int i = 0; i < notes.Length; i++)
{
op += notes[i].GetValue(FTime);
}
op = op * args.MasterVolume;
if (op.Right > args.MaxR)
{
args.MaxR = op.Right;
}
//op = new SoundPointValue();
buffer[n] = (float)op.Left;
n++;
if (op.Left > args.MaxL)
{
args.MaxL = op.Left;
}
buffer[n] = (float)op.Right;
FTime += FTimeDelta;
}
}
