public virtual WaveAudio CreateWaveAudio(double fSeconds)
{
WaveAudio res = new WaveAudio(SampleRate, 1);
int nSamples = (int) (fSeconds * res.getSampleRate());
res.data[0] = this.generate(nSamples);
return res;
}
public virtual WaveAudio CreateWaveAudio(double fSeconds)
{
WaveAudio res = new WaveAudio(SampleRate, 1);
int nSamples = (int)(fSeconds * res.getSampleRate());
res.data[0] = this.generate(nSamples);
return(res);
}
public static void propertytests()
{
// these aren't the best tests.
WaveAudio w1 = new WaveAudio(44100, 2);
asserteq(w1.data.Length, 2, "channels");
asserteq(w1.getNumChannels(), 2, "channels");
assert(w1.data[0] != null && w1.data[1] != null, "channels");
assert(w1.data[0].Length == 1 && w1.data[1].Length == 1, "004");
asserteq(w1.getSampleRate(), 44100, "005");
WaveAudio w1m = new WaveAudio(22050, 1);
asserteq(w1m.data.Length, 1, "channels");
assert(w1m.data[0] != null, "channels");
asserteq(w1m.data[0].Length, 1, "004");
asserteq(w1m.getSampleRate(), 22050, "005");
// now set some properties
w1m.LengthInSamples = 100;
asserteq(w1m.data[0].Length, 100);
asserteqf(w1m.LengthInSeconds, 100 / (double)w1m.getSampleRate(), 0.001);
}
static void iotests_perfile(string strFilename, int nBits, int nChannels, int nRate)
{
WaveAudio w01 = new WaveAudio(strFilename);
asserteq(w01.getNumChannels(), nChannels);
asserteq(w01.getSampleRate(), nRate, "011");
asserteqf(w01.LengthInSamples, 90725 * (nRate / 22050), 1.0, "012"); //note give 1.0 tolerance
asserteqf(w01.LengthInSeconds, 4.1145124, "013");
asserteq(w01.data.Length, nChannels);
asserteq(w01.data[0].Length, w01.LengthInSamples);
for (int i = 0; i < nChannels; i++)
{
asserteq(w01.data[i].Length, w01.LengthInSamples);
}
// test converting to other rates / quality
w01.SaveWaveFile(mediadir + "ttout\\o_" + nRate + "_" + nBits + "_" + nRate + "_" + nChannels + ".wav", nBits);
nBits = (nBits == 8) ? 16 : 8;
w01.SaveWaveFile(mediadir + "ttout\\ot_" + nRate + "_" + nBits + "_" + nRate + "_" + nChannels + ".wav", nBits);
}