internal AudioCaptureClient(AudioClient parent, IAudioCaptureClient realClient)
{
_Parent = parent;
_RealClient = realClient;
}
/* added -> */
private void GetAudioClient()
{
object result;
Marshal.ThrowExceptionForHR(_RealDevice.Activate(ref IID_IAudioClient, CLSCTX.ALL, IntPtr.Zero, out result));
_AudioClient = new AudioClient(result as IAudioClient);
}
internal AudioCaptureClient(AudioClient parent, IAudioCaptureClient realClient)
{
_Parent = parent;
_RealClient = realClient;
}
private void selectDeviceImpl(string devId)
{
releaseDevice();
_capDevice = _devices.GetDevice(devId.Trim());
int idx = _deviceInfos.FindIndex((di) => { return di.DeviceId == devId; });
if (_capDevice == null)
{
#warning 例外
}
_capDeviceId = _capDevice.Id;
// デバイスに適した初期化方法を決定
AudioClientStreamFlags streamFlags = AudioClientStreamFlags.NoPersist;
if (_capDevice.DataFlow == EDataFlow.eRender)
streamFlags = AudioClientStreamFlags.Loopback |
AudioClientStreamFlags.EventCallback; // 実際は発生してくれない
// フォーマット
if(_audioClient != null) _capDevice.ReleaseAudioClient();
try
{
_audioClient = _capDevice.AudioClient;
_capFormat = _audioClient.MixFormat;
_pitchAnalyzer.SampleFrequency = (double)(_capFormat.nSamplesPerSec);
// 初期化
_audioClient.Initialize(AudioClientShareMode.Shared,
streamFlags, 300 /*ms*/ * 10000, 0, _capFormat, Guid.Empty);
_capClient = _audioClient.AudioCaptureClient;
// イベント発火
DeviceSelectedEventHandler del = DeviceSelected;
if (del != null)
{
del.Invoke(this, new DeviceSelectedEventArgs(_capDevice, idx));
}
}
catch (System.Runtime.InteropServices.COMException ex)
{
#warning エラー処理
_audioClient = null;
_capClient = null;
}
}