private void backgroundWorker1_DoWork(object sender, DoWorkEventArgs e)
{
SignalGeneraterWorkerArg sgwa = (SignalGeneraterWorkerArg)e.Argument;
SignalGenerator sg = new SignalGenerator();
backgroundWorker1.ReportProgress(1, "出力データの準備開始。\r\n");
WavData wavData;
SignalGeneratorResult cwdr
= sg.GenerateSignal(sgwa.sgParams, out wavData);
switch (cwdr)
{
case SignalGeneratorResult.Success:
backgroundWorker1.ReportProgress(2, "出力データの準備完了。\r\n");
break;
case SignalGeneratorResult.LevelOver:
backgroundWorker1.ReportProgress(2, "レベルオーバー。出力レベルを下げて下さい。\r\n");
break;
default:
System.Diagnostics.Debug.Assert(false);
break;
}
switch (sgwa.outputMode)
{
case OutputMode.WavFile:
if (!WriteWavFile(wavData, sgwa.outputPath))
{
backgroundWorker1.ReportProgress(3, string.Format("書き込み失敗: {0}\r\n", sgwa.outputPath));
return;
}
backgroundWorker1.ReportProgress(3, string.Format("書き込み成功: {0}\r\n", sgwa.outputPath));
break;
case OutputMode.Asio:
{
// short → int に拡張
int[] asioData = new int[wavData.NumSamples];
for (int i = 0; i < wavData.NumSamples; ++i)
{
asioData[i] = wavData.Sample16Get(0, i) << 16;
}
// 出力デバイスに出力データをセット
foreach (int ch in sgwa.outputChannels)
{
asio.OutputSet(ch, asioData, true);
}
// 開始
asio.Start();
/* backgroundWorker1.ReportProgress(3,
* string.Format("出力開始。{0}Hz {1} {2}dB\r\n", sgwa.sgParams.freq, sgwa.sgParams.ss, sgwa.sgParams.dB)); */
while (!asio.Run())
{
}
backgroundWorker1.ReportProgress(3, "出力終了。\r\n");
}
break;
default:
System.Diagnostics.Debug.Assert(false);
break;
}
}
private void DoWork(object o, DoWorkEventArgs args)
{
Console.WriteLine("DoWork started\n");
int count = 0;
while (!asio.Run())
{
++count;
Console.WriteLine("\nForm1.DoWork() count={0} m_seconds={1}", count, m_seconds);
int percent = 100 * count / m_seconds;
if (100 < percent)
{
percent = 100;
}
}
int[] recordedData = asio.RecordedDataGet(m_inputChannelNum, m_seconds * SAMPLE_RATE);
PcmSamples1Channel ch0 = new PcmSamples1Channel(m_seconds * SAMPLE_RATE, 16);
int max = 0;
int min = 0;
for (int i = 0; i < recordedData.Length; ++i)
{
if (max < recordedData[i])
{
max = recordedData[i];
}
if (recordedData[i] < min)
{
min = recordedData[i];
}
}
Console.WriteLine("max={0} min={1}", max, min);
if (max < -min)
{
max = -min;
}
double mag = 32767.0 / max;
Console.WriteLine("mag={0}", mag);
for (int i = 0; i < recordedData.Length; ++i)
{
ch0.Set16(i, (short)(recordedData[i] * mag));
}
List <PcmSamples1Channel> chList = new List <PcmSamples1Channel>();
chList.Add(ch0);
WavData wd = new WavData();
wd.Create(SAMPLE_RATE, 16, chList);
using (BinaryWriter bw = new BinaryWriter(File.Open(m_writeFilePath, FileMode.Create))) {
wd.Write(bw);
}
args.Result = 0;
Console.WriteLine("DoWork end\n");
}