private void listBoxAsioDevices_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
if (listBoxAsioDevices.SelectedIndex != m_selectedAsioDeviceIdx)
{
if (m_asioStatus == AsioStatus.Ready)
{
asio.Unsetup();
m_asioStatus = AsioStatus.NotReady;
}
if (0 <= m_selectedAsioDeviceIdx)
{
asio.DriverUnload();
m_selectedAsioDeviceIdx = -1;
}
m_selectedAsioDeviceIdx = listBoxAsioDevices.SelectedIndex;
bool bRv = asio.DriverLoad(m_selectedAsioDeviceIdx);
if (!bRv)
{
MessageBox.Show(string.Format("エラー: ASIOドライバー{0}のロードに失敗",
asio.DriverNameGet(m_selectedAsioDeviceIdx)));
return;
}
int sampleRate = System.Convert.ToInt32(((ListBoxItem)listBoxSampleFreq.SelectedItem).Content);
int rv = asio.Setup(sampleRate);
if (rv != 0)
{
MessageBox.Show(string.Format("エラー: サンプルレートの設定に失敗 {0}\n AsioError {1}",
sampleRate, rv));
return;
}
m_asioStatus = AsioStatus.Ready;
{
int nCh = asio.OutputChannelsNumGet();
if (nCh <= 0)
{
MessageBox.Show("エラー: 出力チャンネル情報取得に失敗");
return;
}
listBoxAsioChannels.Items.Clear();
for (int i = 0; i < nCh; ++i)
{
ListBoxItem item = new ListBoxItem();
item.Content = asio.OutputChannelNameGet(i);
listBoxAsioChannels.Items.Add(item);
}
listBoxAsioChannels.SelectedIndex = 0;
}
{
int nCS = asio.ClockSourceNumGet();
if (nCS <= 0)
{
MessageBox.Show("エラー: クロックソース情報取得に失敗");
return;
}
listBoxAsioClockSource.Items.Clear();
for (int i = 0; i < nCS; ++i)
{
ListBoxItem item = new ListBoxItem();
item.Content = asio.ClockSourceNameGet(i);
listBoxAsioClockSource.Items.Add(item);
}
listBoxAsioClockSource.SelectedIndex = 0;
}
}
}
private void buttonLoadDriver_Click(object sender, EventArgs e)
{
buttonLoadDriver.Enabled = false;
bool bRv = asio.DriverLoad(listBoxDrivers.SelectedIndex);
if (!bRv)
{
return;
}
int rv = asio.Setup(SAMPLE_RATE);
if (0 != rv)
{
string errStr = string.Empty;
switch (rv)
{
case -5003: errStr = "Device Not Found"; break;
case -1000: errStr = "hardware input or output is not present or available"; break;
default: break;
}
if (errStr == string.Empty)
{
MessageBox.Show(string.Format("ASIO setup({0}) failed {1:X8}", SAMPLE_RATE, rv));
}
else
{
MessageBox.Show(string.Format("ASIO setup({0}) failed {1} ({2:X8})", SAMPLE_RATE, errStr, rv));
}
asio.Unsetup();
asio.DriverUnload();
buttonLoadDriver.Enabled = true;
return;
}
for (int i = 0; i < asio.InputChannelsNumGet(); ++i)
{
listBoxInput.Items.Add(asio.InputChannelNameGet(i));
}
if (0 < listBoxInput.Items.Count)
{
listBoxInput.SelectedIndex = 0;
}
for (int i = 0; i < asio.OutputChannelsNumGet(); ++i)
{
listBoxOutput.Items.Add(asio.OutputChannelNameGet(i));
}
if (0 < listBoxOutput.Items.Count)
{
listBoxOutput.SelectedIndex = 0;
}
for (int i = 0; i < asio.ClockSourceNumGet(); ++i)
{
listBoxClockSources.Items.Add(asio.ClockSourceNameGet(i));
}
if (0 < listBoxOutput.Items.Count)
{
listBoxClockSources.SelectedIndex = 0;
}
if (0 == rv &&
0 < listBoxInput.Items.Count &&
0 < listBoxOutput.Items.Count)
{
buttonStart.Enabled = true;
}
listBoxDrivers.Enabled = false;
buttonControlPanel.Enabled = true;
}