public void MixTestEmptyStart()
{
var source0 = new WaveSource(40, 50, new List <Vector2>()
{
new Vector2(0, 1),
new Vector2(50, 1),
}, 0);
var source1 = new WaveSource(60, 50, new List <Vector2>()
{
new Vector2(0, 1),
new Vector2(50, 1),
}, 0);
source0.SetWaveData(GetWavBytes());
source1.SetWaveData(GetWavBytes());
var mix = new WaveMix(new[] { source0, source1 });
var samples = GetSamples();
var buffer = new float[44100 * 110 / 1000];
int pos = 0;
int newPos;
while ((newPos = mix.Mix(pos, buffer, 0, buffer.Length)) > pos)
{
output.WriteLine($"new pos {newPos}");
pos = newPos;
}
output.WriteLine($"pos {pos}");
Assert.Equal(44100 * 110 / 1000, pos);
int p0 = 0;
for (int i = 0; i < 44100 * 40 / 1000; ++i)
{
Assert.Equal(0, buffer[p0++]);
}
p0 = 0;
int p1 = 44100 * 40 / 1000;
for (int i = 0; i < 44100 * 20 / 1000; ++i)
{
Assert.Equal(samples[p0++], buffer[p1++]);
}
p0 = 44100 * 20 / 1000;
p1 = 44100 * 60 / 1000;
int p2 = 0;
for (int i = 0; i < 44100 * 30 / 1000; ++i)
{
Assert.Equal(samples[p0++] + samples[p2++], buffer[p1++]);
}
p0 = 44100 * 30 / 1000;
p1 = 44100 * 90 / 1000;
for (int i = 0; i < 44100 * 20 / 1000; ++i)
{
Assert.Equal(samples[p0++], buffer[p1++]);
}
}
public void NestedMixTest()
{
var source0 = new WaveSource(40, 50, new List <Vector2>()
{
new Vector2(0, 1),
new Vector2(50, 1),
}, 0);
var source1 = new WaveSource(60, 50, new List <Vector2>()
{
new Vector2(0, 1),
new Vector2(50, 1),
}, 0);
var source2 = new WaveSource(80, 50, new List <Vector2>()
{
new Vector2(0, 1),
new Vector2(50, 1),
}, 0);
var source3 = new WaveSource(90, 50, new List <Vector2>()
{
new Vector2(0, 1),
new Vector2(50, 1),
}, 0);
source0.SetWaveData(GetWavBytes());
source1.SetWaveData(GetWavBytes());
source2.SetWaveData(GetWavBytes());
source3.SetWaveData(GetWavBytes());
var mix0 = new WaveMix(new[] { source0, source1 });
var mix1 = new WaveMix(new[] { source2, source3 });
var mix2 = new WaveMix(new[] { mix0, mix1 });
var buffer = new float[1000];
int pos = 0;
int newPos;
while ((newPos = mix2.Mix(pos, buffer, 0, buffer.Length)) > pos)
{
Assert.True(mix2.IsReady(pos, buffer.Length));
output.WriteLine($"new pos {newPos}");
pos = newPos;
}
output.WriteLine($"pos {pos}");
Assert.Equal(44100 * 140 / 1000, pos);
}