Esempio n. 1
0
        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;
            }
        }
        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;
            }
        }
Esempio n. 3
0
        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;
            }
        }
        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;
            }
        }
Esempio n. 5
0
        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;
            }
        }