private void UpdateLevelMeter(byte[] pcmData)
{
// このスレッドは描画できないので注意。
double[] peakDb;
double[] peakHoldDb;
lock (mLock) {
mLevelMeter.Update(pcmData);
if (mLevelMeter.NumChannels <= 2)
{
peakDb = new double[2];
peakHoldDb = new double[2];
for (int ch = 0; ch < 2; ++ch)
{
peakDb[ch] = mLevelMeter.GetPeakDb(ch);
peakHoldDb[ch] = mLevelMeter.GetPeakHoldDb(ch);
}
}
else
{
peakDb = new double[8];
peakHoldDb = new double[8];
for (int ch = 0; ch < 8; ++ch)
{
peakDb[ch] = mLevelMeter.GetPeakDb(ch);
peakHoldDb[ch] = mLevelMeter.GetPeakHoldDb(ch);
}
}
}
Dispatcher.BeginInvoke(new Action(delegate() {
// 描画スレッドで描画する。
mLevelMeterUC.UpdateLevelMeter(peakDb, peakHoldDb);
}));
}
