public void TwoInOneOutShouldCanBeConfiguredToSelectRightChannel()
{
var input1 = new TestSampleProvider(32000, 2);
float[] expected = new float[] { 1, 3, 5, 7, 9, 11, 13, 15, 17, 19 };
var mp = new MultiplexingSampleProvider(new ISampleProvider[] { input1 }, 1);
mp.ConnectInputToOutput(1, 0);
EnsureReadsExpected(mp, expected);
}
public void PerformanceTest()
{
var input1 = new TestSampleProvider(32000, 1);
var input2 = new TestSampleProvider(32000, 1);
var input3 = new TestSampleProvider(32000, 1);
var input4 = new TestSampleProvider(32000, 1);
var mp = new MultiplexingSampleProvider(new ISampleProvider[] { input1, input2, input3, input4 }, 4);
mp.ConnectInputToOutput(0, 3);
mp.ConnectInputToOutput(1, 2);
mp.ConnectInputToOutput(2, 1);
mp.ConnectInputToOutput(3, 0);
float[] buffer = new float[input1.WaveFormat.AverageBytesPerSecond / 4];
Stopwatch s = new Stopwatch();
var duration = s.Time(() =>
{
// read one hour worth of audio
for (int n = 0; n < 60 * 60; n++)
{
mp.Read(buffer, 0, buffer.Length);
}
});
Console.WriteLine("Performance test took {0}ms", duration);
}
public void HasConnectInputToOutputMethod()
{
var input1 = new TestSampleProvider(32000, 2);
var mp = new MultiplexingSampleProvider(new ISampleProvider[] { input1 }, 1);
mp.ConnectInputToOutput(1, 0);
}
public void ConnectInputToOutputThrowsExceptionForInvalidOutput()
{
var input1 = new TestSampleProvider(32000, 2);
var mp = new MultiplexingSampleProvider(new ISampleProvider[] { input1 }, 1);
Assert.Throws<ArgumentException>(() => mp.ConnectInputToOutput(1, 1));
}
public void StereoInTwoOutCanBeConfiguredToSwapLeftAndRight()
{
var input1 = new TestSampleProvider(32000, 2);
float[] expected = new float[] { 1, 0, 3, 2, 5, 4, 7, 6, 9, 8, 11, 10 };
var mp = new MultiplexingSampleProvider(new ISampleProvider[] { input1 }, 2);
mp.ConnectInputToOutput(0, 1);
mp.ConnectInputToOutput(1, 0);
EnsureReadsExpected(mp, expected);
}
