public void SelectDevice(string devId)
{
_capDevice = _devices.GetDevice(devId.Trim());
if (_capDevice == null)
{
_audioClient = null;
_capClient = null;
return;
}
_capDeviceId = _capDevice.Id;
// モード
AudioClientShareMode shareMode = AudioClientShareMode.Exclusive;
AudioClientStreamFlags streamFlags = AudioClientStreamFlags.NoPersist;
if (_audioClient != null)
_capDevice.ReleaseAudioClient();
try
{
_audioClient = _capDevice.AudioClient;
_capFormat = _audioClient.MixFormat;
_capFormat.wFormatTag = WaveFormatTag.WAVE_FORMAT_EXTENSIBLE;
_capFormat.nChannels = 2;
_capFormat.nSamplesPerSec = 16000;
_capFormat.wBitsPerSample = 16;
_capFormat.SubFormat = CoreAudioApi.AudioMediaSubtypes.MEDIASUBTYPE_PCM;
_capFormat.wValidBitsPerSample = _capFormat.wBitsPerSample;
_capFormat.nBlockAlign = (ushort)(_capFormat.wBitsPerSample / 8.0 * _capFormat.nChannels);
_capFormat.nAvgBytesPerSec = _capFormat.nSamplesPerSec * _capFormat.nBlockAlign;
long tmp1; long tmp2;
_audioClient.GetDevicePeriod(out tmp1, out tmp2);
// 初期化
try
{
WAVEFORMATEXTENSIBLE tmpFmt = new WAVEFORMATEXTENSIBLE();
if (!_audioClient.IsFormatSupported(shareMode, _capFormat, ref tmpFmt))
_capFormat = tmpFmt;
_audioClient.Initialize(shareMode, streamFlags,
tmp2, tmp2,
_capFormat, Guid.Empty);
}
catch (System.Runtime.InteropServices.COMException ex)
{
try
{
AudioClientError error = (AudioClientError)ex.ErrorCode;
switch (error)
{
case AudioClientError.BufferSizeNotAligned:
uint bufSize = _audioClient.BufferSize;
tmp2 = (long)((10000.0 * 1000 / _capFormat.nSamplesPerSec * bufSize) + 0.5);
_audioClient.Initialize(shareMode,
streamFlags, tmp2, tmp2, _capFormat, Guid.Empty);
break;
case AudioClientError.UnsupportedFormat:
break;
}
}
catch (InvalidCastException)
{
}
}
_capClient = _audioClient.AudioCaptureClient;
}
catch (System.Runtime.InteropServices.COMException ex)
{
_audioClient = null;
_capClient = null;
throw ex;
}
}
public void SelectDevice(string devId)
{
_capDevice = _devices.GetDevice(devId.Trim());
if (_capDevice == null)
{
_audioClient = null;
_capClient = null;
return;
}
_capDeviceId = _capDevice.Id;
// モード
AudioClientShareMode shareMode = AudioClientShareMode.Exclusive;
AudioClientStreamFlags streamFlags = AudioClientStreamFlags.NoPersist;
if (_audioClient != null)
{
_capDevice.ReleaseAudioClient();
}
try
{
_audioClient = _capDevice.AudioClient;
_capFormat = _audioClient.MixFormat;
_capFormat.wFormatTag = WaveFormatTag.WAVE_FORMAT_EXTENSIBLE;
_capFormat.nChannels = 2;
_capFormat.nSamplesPerSec = 16000;
_capFormat.wBitsPerSample = 16;
_capFormat.SubFormat = CoreAudioApi.AudioMediaSubtypes.MEDIASUBTYPE_PCM;
_capFormat.wValidBitsPerSample = _capFormat.wBitsPerSample;
_capFormat.nBlockAlign = (ushort)(_capFormat.wBitsPerSample / 8.0 * _capFormat.nChannels);
_capFormat.nAvgBytesPerSec = _capFormat.nSamplesPerSec * _capFormat.nBlockAlign;
long tmp1; long tmp2;
_audioClient.GetDevicePeriod(out tmp1, out tmp2);
// 初期化
try
{
WAVEFORMATEXTENSIBLE tmpFmt = new WAVEFORMATEXTENSIBLE();
if (!_audioClient.IsFormatSupported(shareMode, _capFormat, ref tmpFmt))
{
_capFormat = tmpFmt;
}
_audioClient.Initialize(shareMode, streamFlags,
tmp2, tmp2,
_capFormat, Guid.Empty);
}
catch (System.Runtime.InteropServices.COMException ex)
{
try
{
AudioClientError error = (AudioClientError)ex.ErrorCode;
switch (error)
{
case AudioClientError.BufferSizeNotAligned:
uint bufSize = _audioClient.BufferSize;
tmp2 = (long)((10000.0 * 1000 / _capFormat.nSamplesPerSec * bufSize) + 0.5);
_audioClient.Initialize(shareMode,
streamFlags, tmp2, tmp2, _capFormat, Guid.Empty);
break;
case AudioClientError.UnsupportedFormat:
break;
}
}
catch (InvalidCastException)
{
}
}
_capClient = _audioClient.AudioCaptureClient;
}
catch (System.Runtime.InteropServices.COMException ex)
{
_audioClient = null;
_capClient = null;
throw ex;
}
}
private void selectDeviceImpl(string devId)
{
if (_capDevice != null && _capDevice.Id == devId)
{
return;
}
releaseDeviceImpl();
_capDevice = _devices.GetDevice(devId.Trim());
int idx = _deviceInfos.FindIndex((di) => { return di.DeviceId == devId; });
if (_capDevice == null)
{
#warning 例外
_audioClient = null;
_capClient = null;
return;
}
_capDeviceId = _capDevice.Id;
// モード
AudioClientShareMode shareMode = AudioClientShareMode.Shared;
// デバイスに適した初期化方法を決定
AudioClientStreamFlags streamFlags = AudioClientStreamFlags.NoPersist;
switch (shareMode)
{
case AudioClientShareMode.Shared:
switch (_capDevice.DataFlow)
{
case EDataFlow.eCapture:
streamFlags = 0;
break;
case EDataFlow.eRender:
streamFlags = AudioClientStreamFlags.Loopback;
break;
}
break;
case AudioClientShareMode.Exclusive:
streamFlags = AudioClientStreamFlags.NoPersist;
break;
}
// フォーマット
if (_audioClient != null) _capDevice.ReleaseAudioClient();
// ボリューム
_masterVolume = 0;
_channelVolumes = new double[_capDevice.AudioMeterInformation.PeakValues.Count];
var h = VolumeChanged;
if (h != null)
{
h(this, new VolumeChangedEventArgs(_capDeviceId, _masterVolume, _channelVolumes));
}
try
{
_audioClient = _capDevice.AudioClient;
_capFormat = _audioClient.MixFormat;
_capFormat.wFormatTag = WaveFormatTag.WAVE_FORMAT_EXTENSIBLE;
_capFormat.nChannels = 1;
_capFormat.nSamplesPerSec = 44100;
_capFormat.wBitsPerSample = 16;
_capFormat.SubFormat = CoreAudioApi.AudioMediaSubtypes.MEDIASUBTYPE_PCM;
_capFormat.wValidBitsPerSample = _capFormat.wBitsPerSample;
_capFormat.nBlockAlign = (ushort)(_capFormat.wBitsPerSample / 8.0 * _capFormat.nChannels);
_capFormat.nAvgBytesPerSec = _capFormat.nSamplesPerSec * _capFormat.nBlockAlign;
long tmp1; long tmp2;
_audioClient.GetDevicePeriod(out tmp1, out tmp2);
// 初期化
try
{
WAVEFORMATEXTENSIBLE tmpFmt = new WAVEFORMATEXTENSIBLE();
if (!_audioClient.IsFormatSupported(shareMode, _capFormat, ref tmpFmt)) _capFormat = tmpFmt;
_audioClient.Initialize(shareMode,
streamFlags, tmp2, tmp2, _capFormat, Guid.Empty);
}
catch (System.Runtime.InteropServices.COMException ex)
{
if ((uint)ex.ErrorCode == 0x88890019)
{
uint bufSize = _audioClient.BufferSize;
tmp2 = (long)((10000.0 * 1000 / _capFormat.nSamplesPerSec * bufSize) + 0.5);
_audioClient.Initialize(shareMode,
streamFlags, tmp2, tmp2, _capFormat, Guid.Empty);
}
}
clearBuffer();
_capClient = _audioClient.AudioCaptureClient;
// イベント発火
var del = DeviceSelected;
if (del != null)
{
del.Invoke(this, new DeviceSelectedEventArgs(_capDevice, idx));
}
}
catch (System.Runtime.InteropServices.COMException ex)
{
_audioClient = null;
_capClient = null;
throw ex;
}
}
private void selectDeviceImpl(string devId)
{
if (_capDevice != null && _capDevice.Id == devId)
{
return;
}
releaseDeviceImpl();
_capDevice = _devices.GetDevice(devId.Trim());
int idx = _deviceInfos.FindIndex((di) => { return(di.DeviceId == devId); });
if (_capDevice == null)
{
#warning 例外
_audioClient = null;
_capClient = null;
return;
}
_capDeviceId = _capDevice.Id;
// モード
AudioClientShareMode shareMode = AudioClientShareMode.Shared;
// デバイスに適した初期化方法を決定
AudioClientStreamFlags streamFlags = AudioClientStreamFlags.NoPersist;
switch (shareMode)
{
case AudioClientShareMode.Shared:
switch (_capDevice.DataFlow)
{
case EDataFlow.eCapture:
streamFlags = 0;
break;
case EDataFlow.eRender:
streamFlags = AudioClientStreamFlags.Loopback;
break;
}
break;
case AudioClientShareMode.Exclusive:
streamFlags = AudioClientStreamFlags.NoPersist;
break;
}
// フォーマット
if (_audioClient != null)
{
_capDevice.ReleaseAudioClient();
}
// ボリューム
_masterVolume = 0;
_channelVolumes = new double[_capDevice.AudioMeterInformation.PeakValues.Count];
var h = VolumeChanged;
if (h != null)
{
h(this, new VolumeChangedEventArgs(_capDeviceId, _masterVolume, _channelVolumes));
}
try
{
_audioClient = _capDevice.AudioClient;
_capFormat = _audioClient.MixFormat;
_capFormat.wFormatTag = WaveFormatTag.WAVE_FORMAT_EXTENSIBLE;
_capFormat.nChannels = 1;
_capFormat.nSamplesPerSec = 44100;
_capFormat.wBitsPerSample = 16;
_capFormat.SubFormat = CoreAudioApi.AudioMediaSubtypes.MEDIASUBTYPE_PCM;
_capFormat.wValidBitsPerSample = _capFormat.wBitsPerSample;
_capFormat.nBlockAlign = (ushort)(_capFormat.wBitsPerSample / 8.0 * _capFormat.nChannels);
_capFormat.nAvgBytesPerSec = _capFormat.nSamplesPerSec * _capFormat.nBlockAlign;
long tmp1; long tmp2;
_audioClient.GetDevicePeriod(out tmp1, out tmp2);
// 初期化
try
{
WAVEFORMATEXTENSIBLE tmpFmt = new WAVEFORMATEXTENSIBLE();
if (!_audioClient.IsFormatSupported(shareMode, _capFormat, ref tmpFmt))
{
_capFormat = tmpFmt;
}
_audioClient.Initialize(shareMode,
streamFlags, tmp2, tmp2, _capFormat, Guid.Empty);
}
catch (System.Runtime.InteropServices.COMException ex)
{
if ((uint)ex.ErrorCode == 0x88890019)
{
uint bufSize = _audioClient.BufferSize;
tmp2 = (long)((10000.0 * 1000 / _capFormat.nSamplesPerSec * bufSize) + 0.5);
_audioClient.Initialize(shareMode,
streamFlags, tmp2, tmp2, _capFormat, Guid.Empty);
}
}
clearBuffer();
_capClient = _audioClient.AudioCaptureClient;
// イベント発火
var del = DeviceSelected;
if (del != null)
{
del.Invoke(this, new DeviceSelectedEventArgs(_capDevice, idx));
}
}
catch (System.Runtime.InteropServices.COMException ex)
{
_audioClient = null;
_capClient = null;
throw ex;
}
}
