/// <summary>
/// 初始化录音设备,此处使用主录音设备.
/// </summary>
/// <returns>调用成功返回true,否则返回false</returns>
private bool InitCaptureDevice()
{
// 获取默认音频捕捉设备
AddLogInfo(DateTime.Now + "写入数据：获取默认音频捕捉设备 ");
CaptureDevicesCollection devices = new CaptureDevicesCollection(); // 枚举音频捕捉设备
Guid deviceGuid = Guid.Empty; // 音频捕捉设备的ID
if (devices.Count > 0)
{
deviceGuid = devices[0].DriverGuid;
AddLogInfo(DateTime.Now + "写入数据：音频捕捉设备的ID" + deviceGuid);
}
else
{
AddLogInfo(DateTime.Now + "写入数据：系统中没有音频捕捉设备 ");
//MessageBox.Show("系统中没有音频捕捉设备");
return(false);
}
// 用指定的捕捉设备创建Capture对象
try
{
mCapDev = new Capture(deviceGuid);
}
catch (DirectXException e)
{
AddLogInfo(DateTime.Now + "写入数据：" + e.Message.ToString());
//MessageBox.Show(e.ToString());
return(false);
}
return(true);
}
/// <summary>
/// 初始化录音设备，此处使用主录音设备
/// </summary>
/// <returns>调用成功返回true，否则false</returns>
bool InitCaptureDevice()
{
//获取默认的音频捕捉设备
CaptureDevicesCollection devices = new CaptureDevicesCollection();
Guid deviceGuid = Guid.Empty;
if (devices.Count > 0)
{
deviceGuid = devices[0].DriverGuid;
}
else
{
MessageBox.Show("系统中没有音频捕捉设备");
return(false);
}
// 用指定的捕捉设备创建Capture对象
try
{
mCapDev = new Capture(deviceGuid);
}
catch (DirectXException e)
{
MessageBox.Show(e.ToString());
return(false);
}
return(true);
}
public void SetVoiceDevices(int deviceID, short channels, short bitsPerSample, int samplesPerSecond)
{
// Установка голосовых устройств
_device = new Device(); // Звуковое устройство ввода
_device.SetCooperativeLevel(new System.Windows.Forms.Control(), CooperativeLevel.Normal); // Установить форму приложения и приоритет
CaptureDevicesCollection captureDeviceCollection = new CaptureDevicesCollection(); // Получить доступ к устройству (звуковая карта)
DeviceInformation deviceInfo = captureDeviceCollection[deviceID]; // установить номер устройства
_capture = new Capture(deviceInfo.DriverGuid); //Получить информация о драйвере выбранного устройства
//Настроить wave формат для захвата.
_waveForm = new WaveFormat(); // Объявление формата
_waveForm.Channels = channels; // Каналы
_waveForm.FormatTag = WaveFormatTag.Pcm; // PCM - Pulse Code Modulation
_waveForm.SamplesPerSecond = samplesPerSecond; // установить число образцов в секунду
_waveForm.BitsPerSample = bitsPerSample; // Установить колличество бит на образец
_waveForm.BlockAlign = (short)(channels * (bitsPerSample / (short)8)); // данных в одном байте, 1 * (16/8) = 2 bits
_waveForm.AverageBytesPerSecond = _waveForm.BlockAlign * samplesPerSecond; // байт в секунду 22050*2= 44100
_capBufDescr = new CaptureBufferDescription();
_capBufDescr.BufferBytes = _waveForm.AverageBytesPerSecond / 5; // 200 милисекунд для записи = 8820 бит
_capBufDescr.Format = _waveForm; // Using Wave Format
// воспроизведение
_playbackBufferDescription = new BufferDescription();
_playbackBufferDescription.BufferBytes = _waveForm.AverageBytesPerSecond / 5; // воспроизведение - 200 милисекунд = 8820 Bит
_playbackBufferDescription.Format = _waveForm;
_playbackBuffer = new SecondaryBuffer(_playbackBufferDescription, _device);
_bufferSize = _capBufDescr.BufferBytes;
}
public void SetInputDevice()
{
CaptureDevicesCollection devices = new CaptureDevicesCollection();
Microsoft.DirectX.DirectSound.Device mDevice = new Device(devices[Index].DriverGuid);
mInputDevice = mDevice;
}
static void InicialiceCaptureBuffer()
{
try
{
CaptureDevicesCollection audioDevices = new CaptureDevicesCollection();
// initialize the capture buffer and start the animation thread
Capture cap = new Capture(audioDevices[1].DriverGuid);
CaptureBufferDescription desc = new CaptureBufferDescription();
WaveFormat wf = new WaveFormat();
wf.BitsPerSample = 16;
wf.SamplesPerSecond = 44100;
wf.Channels = (short)cap.Caps.Channels;
wf.BlockAlign = (short)(wf.Channels * wf.BitsPerSample / 8);
wf.AverageBytesPerSecond = wf.BlockAlign * wf.SamplesPerSecond;
wf.FormatTag = WaveFormatTag.Pcm;
desc.Format = wf;
desc.BufferBytes = SAMPLES * wf.BlockAlign;
buffer = new CaptureBuffer(desc, cap);
buffer.Start(true);
}
catch
{
Console.WriteLine("Error al iniciar el capturador de sonido");
}
}
public static string[] EnumerateCaptureDevices()
{
// Get the Windows enumerated Capture devices adding a "-n" tag (-1, -2, etc.) if any duplicate names
CaptureDevicesCollection cllCaptureDevices = new CaptureDevicesCollection();
//DeviceInformation objDI = new DeviceInformation();
int intCtr = 0;
int intDupeDeviceCnt = 0;
string[] strCaptureDevices = new string[cllCaptureDevices.Count];
foreach (DeviceInformation objDI in cllCaptureDevices)
{
DeviceDescription objDD = new DeviceDescription(objDI);
strCaptureDevices[intCtr] = objDD.ToString().Trim();
intCtr += 1;
}
for (int i = 0; i <= strCaptureDevices.Length - 1; i++)
{
intDupeDeviceCnt = 1;
for (int j = i + 1; j <= strCaptureDevices.Length - 1; j++)
{
if (strCaptureDevices[j] == strCaptureDevices[i])
{
intDupeDeviceCnt += 1;
strCaptureDevices[j] = strCaptureDevices[i] + "-" + intDupeDeviceCnt.ToString();
}
}
}
return(strCaptureDevices);
}
/// <summary>
/// Create the capture device to use in the recording.
/// </summary>
public void createCaptureDevice()
{
// Just getting the first devoce for the moment - can change
// latter if required.
_device = new CaptureDevicesCollection();
captureDevice = new Capture(_device[0].DriverGuid);
}
private void UDP_Initialize()
{
try {
device = new Device();
device.SetCooperativeLevel(this, CooperativeLevel.Normal);
CaptureDevicesCollection captureDeviceCollection = new CaptureDevicesCollection();
DeviceInformation deviceInfo = captureDeviceCollection[0];
capture = new Capture(deviceInfo.DriverGuid);
short channels = 1; //Stereo.
short bitsPerSample = 16; //16Bit, alternatively use 8Bits.
int samplesPerSecond = 22050; //11KHz use 11025 , 22KHz use 22050, 44KHz use 44100 etc.
//Set up the wave format to be captured.
waveFormat = new WaveFormat();
waveFormat.Channels = channels;
waveFormat.FormatTag = WaveFormatTag.Pcm;
waveFormat.SamplesPerSecond = samplesPerSecond;
waveFormat.BitsPerSample = bitsPerSample;
waveFormat.BlockAlign = (short)(channels * (bitsPerSample / (short)8));
waveFormat.AverageBytesPerSecond = waveFormat.BlockAlign * samplesPerSecond;
captureBufferDescription = new CaptureBufferDescription();
captureBufferDescription.BufferBytes = waveFormat.AverageBytesPerSecond / 5;//approx 200 milliseconds of PCM data.
captureBufferDescription.Format = waveFormat;
playbackBufferDescription = new BufferDescription();
playbackBufferDescription.BufferBytes = waveFormat.AverageBytesPerSecond / 5;
playbackBufferDescription.Format = waveFormat;
playbackBuffer = new SecondaryBuffer(playbackBufferDescription, device);
bufferSize = captureBufferDescription.BufferBytes;
bIsCallActive = false;
nUdpClientFlag = 0;
//Using UDP sockets
clientSocket = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
EndPoint ourEP = new IPEndPoint(IPAddress.Any, 9450);
//Listen asynchronously on port 1450 for coming messages (Invite, Bye, etc).
clientSocket.Bind(ourEP);
//Receive data from any IP.
EndPoint remoteEP = (EndPoint)(new IPEndPoint(IPAddress.Any, 0));
byteData = new byte[1024];
//Receive data asynchornously.
clientSocket.BeginReceiveFrom(byteData,
0, byteData.Length,
SocketFlags.None,
ref remoteEP,
new AsyncCallback(UDP_OnReceive),
null);
} catch (Exception ex) {
MessageBox.Show(ex.Message, "VoiceChat-Initialize ()", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
public DeviceSelector()
{
InitializeComponent();
//
devices = new CaptureDevicesCollection();
/*
* if(devices == null || devices.Count == 0)
* {
* throw new ArgumentException("未偵測到任何音訊裝置！");
* }
*/
if (devices.Count >= 1)
{
// devices[0] = "主要音效驅動程式"
selectedDevice = devices[0];
DeviceInformation info;
for (int i = 0; i < devices.Count; i++)
{
info = devices[i];
comboboxCaptureDeviceCombo.Items.Add(info.Description);
}
comboboxCaptureDeviceCombo.SelectedIndex = 0;
selectedDevice = devices[comboboxCaptureDeviceCombo.SelectedIndex];
}
}
public void SetVoiceDevices(int deviceID, short channels, short bitsPerSample, int samplesPerSecond)
{
// Installization Voice Devices
device = new Device(); // Sound Input Device
device.SetCooperativeLevel(new System.Windows.Forms.Control(), CooperativeLevel.Normal); // Set The Application Form and Priority
CaptureDevicesCollection captureDeviceCollection = new CaptureDevicesCollection(); // To Get Available Devices (Input Sound Card)
DeviceInformation deviceInfo = captureDeviceCollection[deviceID]; // Set Device Number
capture = new Capture(deviceInfo.DriverGuid); // Get The Selected Device Driver Information
//Set up the wave format to be captured.
waveFormat = new WaveFormat(); // Wave Format declaration
waveFormat.Channels = channels; // Channels (2 if Stereo)
waveFormat.FormatTag = WaveFormatTag.Pcm; // PCM - Pulse Code Modulation
waveFormat.SamplesPerSecond = samplesPerSecond; // The Number of Samples Peer One Second
waveFormat.BitsPerSample = bitsPerSample; // The Number of bits for each sample
waveFormat.BlockAlign = (short)(channels * (bitsPerSample / (short)8)); // Minimum atomic unit of data in one byte, Ex: 1 * (16/8) = 2 bits
waveFormat.AverageBytesPerSecond = waveFormat.BlockAlign * samplesPerSecond; // required Bytes-Peer-Second Ex. 22050*2= 44100
captureBufferDescription = new CaptureBufferDescription();
captureBufferDescription.BufferBytes = waveFormat.AverageBytesPerSecond / 5; //Ex. 200 milliseconds of PCM data = 8820 Bytes (In Record)
captureBufferDescription.Format = waveFormat; // Using Wave Format
// Playback
playbackBufferDescription = new BufferDescription();
playbackBufferDescription.BufferBytes = waveFormat.AverageBytesPerSecond / 5; //Ex. 200 milliseconds of PCM data = 8820 Bytes (In Playback)
playbackBufferDescription.Format = waveFormat;
playbackBuffer = new SecondaryBuffer(playbackBufferDescription, device);
bufferSize = captureBufferDescription.BufferBytes;
}
/// <summary>
/// 初始化录音设备,此处使用主录音设备.
/// </summary>
/// <returns>调用成功返回true,否则返回false</returns>
private bool InitCaptureDevice()
{
// 获取默认音频捕捉设备
CaptureDevicesCollection devices = new CaptureDevicesCollection(); // 枚举音频捕捉设备
Guid deviceGuid = Guid.Empty; // 音频捕捉设备的ID
devList = new string[devices.Count];
for (int i = 0; i < devices.Count; i++)
{
devList[i] = devices[i].Description.ToString();
}
if (devices.Count > 0)
{
deviceGuid = devices[1].DriverGuid;
}
else
{
MessageBox.Show("系统中没有音频捕捉设备");
return(false);
}
// 用指定的捕捉设备创建Capture对象
try
{
mCapDev = new Capture(deviceGuid);
}
catch (DirectXException e)
{
MessageBox.Show(e.ToString());
return(false);
}
return(true);
}
private void ConfigurationDialog_Load(object sender, EventArgs e)
{
ConfSingleton settings = ConfSingleton.Instance;
try
{
strategyDescription.Text = settings.Network.ToString();
}
catch (Exception ex)
{
strategyDescription.Text = ex.Message;
}
enableSoundEffectsCheckBox.Checked = settings.SoundEffects;
multicastNetworkTextBox.Text = settings.MulticastNetworkStart;
multiCastSubnetValue.Value = settings.MulticastPrefix;
compressDecompressCheckBox.Checked = settings.Compression;
multiCastSubnetValue.ValueChanged += new System.EventHandler(this.AddressChanged);
multicastNetworkTextBox.TextChanged += new System.EventHandler(this.AddressChanged);
CaptureDevicesCollection captureDevices = new CaptureDevicesCollection();
for (int i = 0; i < captureDevices.Count; i++)
{
listBox1.Items.Add(captureDevices[i].Description);
if (i.Equals(settings.CaptureDeviceIndex))
listBox1.SelectedIndex = i;
}
}
public static void SetVoiceDevices(int deviceID, short channels, short bitsPerSample, int samplesPerSecond)
{
device = new Device();
device.SetCooperativeLevel(new System.Windows.Forms.Control(), CooperativeLevel.Normal);
CaptureDevicesCollection captureDeviceCollection = new CaptureDevicesCollection();
DeviceInformation deviceInfo = captureDeviceCollection[deviceID];
capture = new Capture(deviceInfo.DriverGuid);
waveFormat = new WaveFormat();
waveFormat.Channels = channels;
waveFormat.FormatTag = WaveFormatTag.Pcm;
waveFormat.SamplesPerSecond = samplesPerSecond;
waveFormat.BitsPerSample = bitsPerSample;
waveFormat.BlockAlign = (short)(channels * (bitsPerSample / (short)8));
waveFormat.AverageBytesPerSecond = waveFormat.BlockAlign * samplesPerSecond;
captureBufferDescription = new CaptureBufferDescription();
captureBufferDescription.BufferBytes = waveFormat.AverageBytesPerSecond / 5;
captureBufferDescription.Format = waveFormat;
playbackBufferDescription = new BufferDescription();
playbackBufferDescription.BufferBytes = waveFormat.AverageBytesPerSecond / 5;
playbackBufferDescription.Format = waveFormat;
playbackBufferDescription.GlobalFocus = true;
playbackBuffer = new SecondaryBuffer(playbackBufferDescription, device);
bufferSize = captureBufferDescription.BufferBytes;
}
private void PopformForScreenCap_Load(object sender, EventArgs e)//加载屏幕录制窗体
{
this.stopScreenCapBtn.Enabled = false;
CaptureDevicesCollection sound_devices = new CaptureDevicesCollection();
if (sound_devices.Count > 0)
{
int i = 0;
while (i < sound_devices.Count)
{
string text = sound_devices[i].Description;
if (text.Contains("麦克风"))
{
string descrip = sound_devices[i].Description;
int len = descrip.Length;
if (len > 31)
{
soundSource = descrip.Substring(0, 31);
}
else
{
soundSource = descrip;
}
this.soundChBox.Checked = true;
//return;
break;
}
i++;
}
}
}
public void StartRecording(int deviceIndex)
{
if (mCaptureBuffer != null)
{
if (mCaptureBuffer.Capturing)
{
mCaptureBuffer.Stop();
}
mCaptureBuffer.Dispose();
mCaptureBuffer = null;
}
CaptureDevicesCollection audioDevices = new CaptureDevicesCollection();
if (deviceIndex != -1 && deviceIndex < audioDevices.Count - 1)
{
// initialize the capture buffer and start the animation thread
Capture capture = new Capture(audioDevices[deviceIndex].DriverGuid);
CaptureBufferDescription captureBufferDescription = new CaptureBufferDescription();
WaveFormat waveFormat = new WaveFormat();
waveFormat.BitsPerSample = 16;
waveFormat.SamplesPerSecond = 8000;
waveFormat.Channels = 1;
waveFormat.BlockAlign = (short)(waveFormat.Channels * waveFormat.BitsPerSample / 8);
waveFormat.AverageBytesPerSecond = waveFormat.BlockAlign * waveFormat.SamplesPerSecond;
waveFormat.FormatTag = WaveFormatTag.Pcm;
captureBufferDescription.Format = waveFormat;
captureBufferDescription.BufferBytes = waveFormat.SamplesPerSecond * 120;
mCaptureBuffer = new Microsoft.DirectX.DirectSound.CaptureBuffer(captureBufferDescription, capture);
mCaptureBuffer.Start(true);
}
}
/// <summary>
/// 初始化录音设备，此处使用主录音设备
/// </summary>
/// <returns>调用成功返回true，否则返回false</returns>
private bool InitCaptureDevice()
{
// 获取默认音频捕捉设备
CaptureDevicesCollection devices = new CaptureDevicesCollection(); // 枚举音频捕捉设备
Guid deviceGuid = Guid.Empty;
if (devices.Count > 0)
{
deviceGuid = devices[0].DriverGuid;
}
else
{
System.Windows.MessageBox.Show("No capture device !");
return(false);
}
// 用指定的捕捉设备创建Capture对象
try
{
mCapDev = new Capture(deviceGuid);
}
catch (DirectXException ex)
{
System.Windows.MessageBox.Show(ex.ToString());
return(false);
}
return(true);
}
/// <summary>
/// 初始化录音设备,此处使用主录音设备.
/// </summary>
/// <returns>调用成功返回true,否则返回false</returns>
bool InitCaptureDevice()
{
// 获取默认音频捕捉设备
CaptureDevicesCollection devices = new CaptureDevicesCollection(); // 枚举音频捕捉设备
Guid deviceGuid = Guid.Empty; // 音频捕捉设备的ID
if (devices.Count > 0)
{
deviceGuid = devices[0].DriverGuid;
}
else
{
Console.WriteLine("系统中没有音频捕捉设备");
return(false);
}
// 用指定的捕捉设备创建Capture对象
try
{
mCapDev = new Capture(deviceGuid);
}
catch (Exception e)
{
Console.WriteLine(e.ToString());
return(false);
}
return(true);
}
private bool CreateSelectCaputerDevice(int i)
{
CaptureDevicesCollection capturedev = new CaptureDevicesCollection();
Guid devguid = Guid.Empty;
if (capturedev.Count > 0)
{
for (int j = 0; j < capturedev.Count; j++)
{
if (sList[i] == capturedev[j].Description)
{
devguid = capturedev[j].DriverGuid;
}
}
}
//Use the device GUID to create a capture device object
if (devguid != Guid.Empty)
{
capture = new Capture(devguid);
return(true);
}
else
{
return(false);
}
}
public void SetInputDeviceForRecording(Control FormHandle, int Index)
{
CaptureDevicesCollection devices = new CaptureDevicesCollection();
Microsoft.DirectX.DirectSound.Device mDevice = new Microsoft.DirectX.DirectSound.Device(devices[Index].DriverGuid);
mDevice.SetCooperativeLevel(FormHandle, CooperativeLevel.Priority);
m_InputDevice = mDevice;
}
//returns the guid of the selected device, in this case the default
//device guid has been returned
public Guid SetInputDeviceGuid()
{
CaptureDevicesCollection devices = new CaptureDevicesCollection();
m_aGuid = GetInputDevice();
m_gCaptureDeviceGuid = devices[1].DriverGuid;
return(m_gCaptureDeviceGuid);
}
/// <summary>
/// Obtains a list of the audio input devices attached to the computer.
/// </summary>
///
/// <remarks>
/// Note that the collection is reobtained here everytime, on the quite
/// possible event that, when prompted with a list of devices, a user plugs
/// in a new device, and then reloads the list.
/// </remarks>
///
/// <returns>The input devices found.</returns>
public string[] GetAudioInputDeviceNames()
{
devices = new CaptureDevicesCollection();
string[] names = new string[devices.Count];
for (int i = 0; i < devices.Count; ++i) {
names[i] = devices[i].Description;
}
return names;
}
public Capture InitDirectSound(int Index)
{
CaptureDevicesCollection devices = new CaptureDevicesCollection();
Guid mGuid = Guid.Empty;
mGuid = devices[Index].DriverGuid;
m_cApplicationDevice = new Capture(mGuid);
return(m_cApplicationDevice);
}
// returns a list of input devices
public ArrayList GetInputDevice()
{
CaptureDevicesCollection devices = new CaptureDevicesCollection(); // gathers the available capture devices
foreach (DeviceInformation info in devices)
{
m_aSelect.Add(info.Description);
}
return(m_aSelect);
}
public static SoundCaptureDevice[] GetDevices()
{
CaptureDevicesCollection captureDevices = new CaptureDevicesCollection();
List<SoundCaptureDevice> devices = new List<SoundCaptureDevice>();
foreach (DeviceInformation captureDevice in captureDevices)
{
devices.Add(new SoundCaptureDevice(captureDevice.DriverGuid, captureDevice.Description));
}
return devices.ToArray();
}
/// <summary>
/// 音声処理管理部を作成する。
/// </summary>
/// <param name="id">この端末のID(どの端末が近くにいるのかの表示に利用)</param>
/// <param name="sendBack">比較用データ取得deligate</param>
/// <param name="sendInterval">近接センシング用データ送信周期(ミリ秒, 7000ms以下とする)</param>
/// <param name="fftLength">比較をかけるサウンドデータのバイト数(32000/s)</param>
/// <param name="proximityKeepCycle">一度のTrue判定が影響を及ぼす周期数</param>
/// <param name="soundDirectory">音声ログ(16kbps, 16bit)保存のためのディレクトリ</param>
/// <param name="errorFile">エラーログを書き出すファイル</param>
public SoundControl(string id, SendBackSignalDelegate sendBack, int fftLength, int sendInterval, int proximityKeepCycle, string soundDirectory, string errorFile)
{
try
{
this.id = id;
SystemDirectory = Path.Combine(soundDirectory, "system");
LogFile = Path.Combine(SystemDirectory, DateTime.Now.ToString("yyyyMMdd_HHmmss") + ".log");
diffTimeDictonary = new Dictionary <string, long>();
sendBackDeligate = sendBack;
completeSendBack = new AsyncCallback(CompleteSendBackMethod);
SoundControl.soundDirectory = soundDirectory;
SoundControl.errorFile = errorFile;
if (sendInterval > 7000)
{
sendInterval = 7000;
}
CreateDirectory();
this.sendInterval = sendInterval;
this.proximityKeepCycle = proximityKeepCycle;
dataBuffer = new DataBuffer(this, fftLength);
//音量の設定
int mixer;
Mixer.init(out mixer); //Mixer初期化
Mixer.SetMainVolume(mixer, 50); //Mainのボリュームを50%に設定
Mixer.SetWaveOutVolume(mixer, 50); //WavOutを50%に設定
Mixer.SetMicRecordVolume(mixer, 100); //マイク録音を100%に設定
// デバイス初期化
CaptureDevicesCollection devices = new CaptureDevicesCollection();
applicationDevice = new Capture(devices[0].DriverGuid);
if (applicationDevice != null)
{
inputFormat = new WaveFormat();
inputFormat.BitsPerSample = BitsPerSample;
inputFormat.Channels = Channels;
inputFormat.SamplesPerSecond = SamplesPerSec;
inputFormat.FormatTag = WaveFormatTag.Pcm;
inputFormat.BlockAlign = BlockAlign;
inputFormat.AverageBytesPerSecond = AvgBytesPerSec;
recordingThread = new Thread(new ThreadStart(RecordWorker));
recordingThread.IsBackground = true;
CreateCaptureBuffer();
isActive = true;
}
}
catch (Exception e)
{
SoundControl.WriteErrorLog(e.ToString());
}
}
public static SoundCaptureDevice[] GetDevices()
{
CaptureDevicesCollection captureDevices = new CaptureDevicesCollection();
List <SoundCaptureDevice> devices = new List <SoundCaptureDevice>();
foreach (DeviceInformation captureDevice in captureDevices)
{
devices.Add(new SoundCaptureDevice(captureDevice.DriverGuid, captureDevice.Description));
}
return(devices.ToArray());
}
public static SoundCaptureDevice[] GetDevices()
{
CaptureDevicesCollection captureDevices = new CaptureDevicesCollection();
List <SoundCaptureDevice> devices = new List <SoundCaptureDevice>();
foreach (DeviceInformation captureDevice in captureDevices)
{
// здесь может возникнуть ошибка если сборка была произведена на плафторму x64
devices.Add(new SoundCaptureDevice(captureDevice.DriverGuid, captureDevice.Description));
}
return(devices.ToArray());
}
/// <summary>
/// Gets the audio input device with the given name.
/// </summary>
///
/// <param name="name">The name of the device.</param>
/// <returns>The named device.</returns>
private Capture GetAudioInputDevice(string name)
{
if (devices == null) {
devices = new CaptureDevicesCollection();
}
for (int i = 0; i < devices.Count; ++i) {
if (devices[i].Description == name) {
return new Capture(devices[i].DriverGuid);
}
}
throw new ArgumentException("No input device with that name was found.");
}
/*
* Initializes all the data members.
*/
private void Initialize()
{
try
{
device = new Device();
device.SetCooperativeLevel(this, CooperativeLevel.Normal);
CaptureDevicesCollection captureDeviceCollection = new CaptureDevicesCollection();
DeviceInformation deviceInfo = captureDeviceCollection[0];
capture = new Capture(deviceInfo.DriverGuid);
short channels = 1; //Stereo.
short bitsPerSample = 16; //16Bit, alternatively use 8Bits.
int samplesPerSecond = 44100; //11KHz use 11025 , 22KHz use 22050, 44KHz use 44100 etc.
//Set up the wave format to be captured.
waveFormat = new WaveFormat();
waveFormat.Channels = channels;
waveFormat.FormatTag = WaveFormatTag.Pcm;
waveFormat.SamplesPerSecond = samplesPerSecond;
waveFormat.BitsPerSample = bitsPerSample;
waveFormat.BlockAlign = (short)(channels * (bitsPerSample / (short)8));
waveFormat.AverageBytesPerSecond = waveFormat.BlockAlign * samplesPerSecond;
captureBufferDescription = new CaptureBufferDescription();
captureBufferDescription.BufferBytes = waveFormat.AverageBytesPerSecond;//approx 200 milliseconds of PCM data.
captureBufferDescription.Format = waveFormat;
playbackBufferDescription = new BufferDescription();
playbackBufferDescription.BufferBytes = waveFormat.AverageBytesPerSecond;
playbackBufferDescription.Format = waveFormat;
playbackBuffer = new SecondaryBuffer(playbackBufferDescription, device);
bufferSize = captureBufferDescription.BufferBytes;
bIsCallActive = false;
nUdpClientFlag = 0;
speaker = new Speakers();
speaker.Mono = true;
Volume vol;
vol = Volume.Min;
}
catch (Exception ex)
{
MessageBox.Show("Audio device(s) missing", "VCES - Audio device error", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
}
// returns a list of input devices
public ArrayList GetInputDevices()
{
// gathers the available capture devices
CaptureDevicesCollection devices = new CaptureDevicesCollection();
//ArrayList to collect all the availabel devices
ArrayList m_devicesList = new ArrayList();
foreach (DeviceInformation info in devices)
{
m_devicesList.Add(info.Description);
}
return(m_devicesList);
}
public SoundCardControl()
{
CaptureDevicesCollection captureDevicesCollection = new CaptureDevicesCollection();
if (captureDevicesCollection.Count > 0)
{
this.capture_ = new Microsoft.DirectX.DirectSound.Capture(captureDevicesCollection[0].DriverGuid);
}
else
{
Console.WriteLine("No Capture Device");
}
this.waveFormat_ = this.CreateWaveFormat();
this.notifyEvent_ = new AutoResetEvent(false);
}
public static SoundCaptureDevice GetDefaultDevice()
{
CaptureDevicesCollection captureDevices = new CaptureDevicesCollection();
SoundCaptureDevice device = null;
foreach (DeviceInformation captureDevice in captureDevices)
{
if(captureDevice.DriverGuid == Guid.Empty)
{
device = new SoundCaptureDevice(captureDevice.DriverGuid, captureDevice.Description);
break;
}
}
if (device == null)
throw new SoundCaptureException("Default capture device is not found");
return device;
}
/// <summary>
/// Create a new sound recorder.
/// </summary>
/// <param name="type">Sound capture device.</param>
/// <param name="rate">Desired sample rate.</param>
/// <param name="size">Desired sample size.</param>
/// <param name="channels">Desired channels to use.</param>
public SoundRecorder(SoundDeviceType type, SampleRate rate, SampleSize size, short channels)
{
this._desiredDeviceType = type;
this._devices = new CaptureDevicesCollection();
if (this._devices == null || this._devices.Count < 1)
{
throw new InvalidOperationException("No sound capture devices detected.");
}
this.Find(type);
InitDirectSound();
this._recorderFormat = new SoundFormat(this._applicationDevice, rate, size, channels);
}
public SoundRecorder()
{
CaptureDevicesCollection devices = new CaptureDevicesCollection();
if (devices.Count > 0)
{
capture_ = new Capture(devices[0].DriverGuid);
}
else
{
Console.WriteLine("No Capture Device");
}
waveFormat_ = CreateWaveFormat();
notifyEvent_ = new AutoResetEvent(false);
}
private void Initialize()
{
try
{
device = new Device();
System.Windows.Interop.WindowInteropHelper helper = new System.Windows.Interop.WindowInteropHelper(this);
device.SetCooperativeLevel(helper.Handle, CooperativeLevel.Normal);
CaptureDevicesCollection captureDeviceCollection = new CaptureDevicesCollection();
DeviceInformation deviceInfo = captureDeviceCollection[0];
capture = new Capture(deviceInfo.DriverGuid);
short channels = 1; //Stereo.
short bitsPerSample = 16; //16Bit, alternatively use 8Bits.
int samplesPerSecond = 22050; //11KHz use 11025 , 22KHz use 22050, 44KHz use 44100 etc.
//Set up the wave format to be captured.
waveFormat = new WaveFormat();
waveFormat.Channels = channels;
waveFormat.FormatTag = WaveFormatTag.Pcm;
waveFormat.SamplesPerSecond = samplesPerSecond;
waveFormat.BitsPerSample = bitsPerSample;
waveFormat.BlockAlign = (short)(channels * (bitsPerSample / (short)8));
waveFormat.AverageBytesPerSecond = waveFormat.BlockAlign * samplesPerSecond;
captureBufferDescription = new Microsoft.DirectX.DirectSound.CaptureBufferDescription();
captureBufferDescription.BufferBytes = waveFormat.AverageBytesPerSecond / 5;//approx 200 milliseconds of PCM data.
captureBufferDescription.Format = waveFormat;
playbackBufferDescription = new BufferDescription();
playbackBufferDescription.BufferBytes = waveFormat.AverageBytesPerSecond / 5;
playbackBufferDescription.Format = waveFormat;
playbackBuffer = new SecondaryBuffer(playbackBufferDescription, device);
bufferSize = captureBufferDescription.BufferBytes;
bIsCallActive = false;
nUdpClientFlag = 0;
}
catch (Exception ex)
{
this.VoiceChartStart.IsEnabled = false;
}
}
public bool CreateCaputerDevice()
{
// 首先要枚舉可用的捕捉設備
CaptureDevicesCollection capturedev = new CaptureDevicesCollection();
Guid devguid;
if (capturedev.Count > 0)
{
devguid = capturedev[0].DriverGuid; // 0 為音效卡本身之錄音
//devguid = capturedev[2].DriverGuid; // *********************** 這台電腦的錄音設備為 2
}
else
{
Console.WriteLine("當前沒有可用於音頻捕捉的設備", "系统提示");
return false;
}
// 利用設備 GUID 來建立一個捕捉設備對象
capture = new Capture(devguid);
return true;
}
public static string[] EnumerateCaptureDevices()
{
// Get the Windows enumerated Capture devices adding a "-n" tag (-1, -2, etc.) if any duplicate names
CaptureDevicesCollection cllCaptureDevices = new CaptureDevicesCollection();
//DeviceInformation objDI = new DeviceInformation();
int intCtr = 0;
int intDupeDeviceCnt = 0;
string[] strCaptureDevices = new string[cllCaptureDevices.Count];
foreach (DeviceInformation objDI in cllCaptureDevices) {
DeviceDescription objDD = new DeviceDescription(objDI);
strCaptureDevices[intCtr] = objDD.ToString().Trim();
intCtr += 1;
}
for (int i = 0; i <= strCaptureDevices.Length - 1; i++) {
intDupeDeviceCnt = 1;
for (int j = i + 1; j <= strCaptureDevices.Length - 1; j++) {
if (strCaptureDevices[j] == strCaptureDevices[i]) {
intDupeDeviceCnt += 1;
strCaptureDevices[j] = strCaptureDevices[i] + "-" + intDupeDeviceCnt.ToString();
}
}
}
return strCaptureDevices;
}
/// <summary>
/// 创建音频捕捉设备对象
/// </summary>
/// <returns>创建是否成功</returns>
private bool CreateCaptureDevice()
{
CaptureDevicesCollection captureDevs = new CaptureDevicesCollection();
Guid guidDev;
if (captureDevs.Count > 0)
{
guidDev = captureDevs[0].DriverGuid;
} // end of if
else
{
MessageBox.Show("没有找到音频捕捉设备，请确认麦克风是否插好");
return false;
} // end of else
m_objCapture = new Capture(guidDev);
return true;
}
private bool InitCaptureDevice()
{
CaptureDevicesCollection devices = new CaptureDevicesCollection();
Guid deviceGuid = Guid.Empty;
if (devices.Count > 0)
deviceGuid = devices[0].DriverGuid;
else
{
Debug.WriteLine("No audio device in the system.");
return false;
}
try
{
mCapDev = new Capture(deviceGuid);
}
catch (DirectXException e)
{
Debug.WriteLine(e.ToString());
return false;
}
return true;
}
private void StartRecordAndSend()
{
try
{
Capture capture = null;
CaptureDevicesCollection captureDeviceCollection = new CaptureDevicesCollection();
try
{
capture = new Capture(captureDeviceCollection[ConfSingleton.Instance.CaptureDeviceIndex].DriverGuid);
}
catch
{
capture = new Capture(captureDeviceCollection[0].DriverGuid);
}
captureBuffer = new CaptureBuffer(captureBufferDescription, capture);
SetBufferEvents();
int halfBuffer = bufferSize / 2;
captureBuffer.Start(true);
bool readFirstBufferPart = true;
int offset = 0;
MemoryStream memStream = new MemoryStream(halfBuffer);
bStop = false;
while (!bStop)
{
autoResetEvent.WaitOne();
memStream.Seek(0, SeekOrigin.Begin);
captureBuffer.Read(offset, memStream, halfBuffer, LockFlag.None);
readFirstBufferPart = !readFirstBufferPart;
offset = readFirstBufferPart ? 0 : halfBuffer;
rtpSender.Send(ConfSingleton.Instance.Compression ? ALawEncoder.ALawEncode(memStream.GetBuffer()) : memStream.GetBuffer());
}
}
catch (ThreadAbortException)
{
/* This is OK. It's raised when the record thread is stopped. */
}
/* Catch DirectSound's uninformative exceptions and attempt to expand on them... */
catch (Exception ex)
{
if (OnCaptureError != null)
{
AudioCaptureException captureException = new AudioCaptureException("There was a problem in the audio capture process. This is often due to no working capture device being available.", ex);
OnCaptureError(this, new AudioCaptureExceptionEventArgs() { Exception = captureException });
}
}
finally
{
try
{
if (captureBuffer != null)
captureBuffer.Stop();
bStop = true;
}
catch { }
}
}
private void MainForm_Load(object sender, EventArgs e)
{
this.textBox_ffmpegPath.Text = Properties.Settings.Default.ffmpegpath;
this.textBox_inputstream.Text = Properties.Settings.Default.inputstream;
this.textBox_audiorate.Text = Properties.Settings.Default.audiorate;
this.textBox_videorate.Text = Properties.Settings.Default.videorate;
this.textBox_exPort.Text = Properties.Settings.Default.port;
if (Properties.Settings.Default.reencode_flag)
{ // 再エンコあり
radioButton_reencode_1.Checked = true;
groupBox_reencode.Enabled = true;
}
else {
radioButton_reencode_2.Checked = true;
groupBox_reencode.Enabled = false;
}
this.textBox_enc_width.Text = Properties.Settings.Default.enc_width;
this.textBox_enc_height.Text = Properties.Settings.Default.enc_height;
this.textBox_enc_bitrate_v.Text = Properties.Settings.Default.enc_bitrate_v;
this.textBox_enc_bitrate_a.Text = Properties.Settings.Default.enc_bitrate_a;
this.textBox_enc_framerate.Text = Properties.Settings.Default.enc_framerate;
logoutputDelegate = new LogoutputDelegate(logoutput);
this.button_disconnect.Enabled = false;
this.textBox_log.AppendText("アプリケーションが開始しました。\r\n");
// デバイスリストを取得してリストボックスに
CaptureDevicesCollection myDevices = new CaptureDevicesCollection();
foreach (DeviceInformation devInfo in myDevices)
{
string strDesc = devInfo.Description;
Guid guid = devInfo.DriverGuid;
string strModule = devInfo.ModuleName;
this.textBox_log.AppendText(strDesc+"\r\n");
}
}
static void InicialiceCaptureBuffer()
{
try
{
CaptureDevicesCollection audioDevices = new CaptureDevicesCollection();
// initialize the capture buffer and start the animation thread
Capture cap = new Capture(audioDevices[1].DriverGuid);
CaptureBufferDescription desc = new CaptureBufferDescription();
WaveFormat wf = new WaveFormat();
wf.BitsPerSample = 16;
wf.SamplesPerSecond = 44100;
wf.Channels = (short)cap.Caps.Channels;
wf.BlockAlign = (short)(wf.Channels * wf.BitsPerSample / 8);
wf.AverageBytesPerSecond = wf.BlockAlign * wf.SamplesPerSecond;
wf.FormatTag = WaveFormatTag.Pcm;
desc.Format = wf;
desc.BufferBytes = SAMPLES * wf.BlockAlign;
buffer = new CaptureBuffer(desc, cap);
buffer.Start(true);
}
catch
{
Console.WriteLine("Error al iniciar el capturador de sonido");
}
}
/*
* Initializes all the data members.
*/
private void Initialize()
{
try
{
device = new Device();
device.SetCooperativeLevel(this, CooperativeLevel.Normal);
CaptureDevicesCollection captureDeviceCollection = new CaptureDevicesCollection();
DeviceInformation deviceInfo = captureDeviceCollection[0];
capture = new Capture(deviceInfo.DriverGuid);
short channels = 1; //Stereo.
short bitsPerSample = 16; //16Bit, alternatively use 8Bits.
int samplesPerSecond = 22050; //11KHz use 11025 , 22KHz use 22050, 44KHz use 44100 etc.
//Set up the wave format to be captured.
waveFormat = new WaveFormat();
waveFormat.Channels = channels;
waveFormat.FormatTag = WaveFormatTag.Pcm;
waveFormat.SamplesPerSecond = samplesPerSecond;
waveFormat.BitsPerSample = bitsPerSample;
waveFormat.BlockAlign = (short)(channels * (bitsPerSample / (short)8));
waveFormat.AverageBytesPerSecond = waveFormat.BlockAlign * samplesPerSecond;
captureBufferDescription = new CaptureBufferDescription();
captureBufferDescription.BufferBytes = waveFormat.AverageBytesPerSecond / 5;//approx 200 milliseconds of PCM data.
captureBufferDescription.Format = waveFormat;
playbackBufferDescription = new BufferDescription();
playbackBufferDescription.BufferBytes = waveFormat.AverageBytesPerSecond / 5;
playbackBufferDescription.Format = waveFormat;
playbackBuffer = new SecondaryBuffer(playbackBufferDescription, device);
bufferSize = captureBufferDescription.BufferBytes;
bIsCallActive = false;
nUdpClientFlag = 0;
//Using UDP sockets
clientSocket = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
EndPoint ourEP = new IPEndPoint(IPAddress.Any, 1450);
//Listen asynchronously on port 1450 for coming messages (Invite, Bye, etc).
clientSocket.Bind(ourEP);
//Receive data from any IP.
EndPoint remoteEP = (EndPoint)(new IPEndPoint(IPAddress.Any, 0));
byteData = new byte[1024];
//Receive data asynchornously.
clientSocket.BeginReceiveFrom(byteData,
0, byteData.Length,
SocketFlags.None,
ref remoteEP,
new AsyncCallback(OnReceive),
null);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "VoiceChat-Initialize ()", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
/// <summary>
/// Gets the audio input device with the given name.
/// </summary>
///
/// <param name="name">The name of the device.</param>
/// <returns>The named device.</returns>
private Capture GetAudioInputDevice(string name)
{
if (devices == null) {
devices = new CaptureDevicesCollection();
}
//For Default
if (name.Equals("") || name == null)
{
return new Capture(devices[0].DriverGuid);
}
//For Specified
for (int i = 0; i < devices.Count; ++i) {
if (devices[i].Description == name) {
return new Capture(devices[i].DriverGuid);
}
}
throw new ArgumentException("No input device with that name was found.");
}
public void Initialize()
{
try
{
LogLine("Getting local IP address...");
LocalIP.Text = NetProcedures.GetLocalIPAddress();
LogLine("Using global IP address...");
GlobalIP.Text = NetProcedures.globalIP;
LogLine("Connecting to capturing device...");
device = new Device();
device.SetCooperativeLevel(this, CooperativeLevel.Normal);
CaptureDevicesCollection captureDeviceCollection = new CaptureDevicesCollection();
DeviceInformation deviceInfo = captureDeviceCollection[0];
capture = new Capture(deviceInfo.DriverGuid);
LogLine("Preparing audio format to be captured...");
short channels = (short)Channels.Value;
short bitsPerSample;
if (radioButton7.Checked) bitsPerSample = 8;
else bitsPerSample = 16;
int samplesPerSecond;
if (radioButton1.Checked) samplesPerSecond = 11025;
else if (radioButton2.Checked) samplesPerSecond = 22050;
else samplesPerSecond = 44100;
//Set up the wave format to be captured.
waveFormat = new WaveFormat();
waveFormat.Channels = channels;
waveFormat.FormatTag = WaveFormatTag.Pcm;
waveFormat.SamplesPerSecond = samplesPerSecond;
waveFormat.BitsPerSample = bitsPerSample;
waveFormat.BlockAlign = (short)(channels * (bitsPerSample / (short)8));
waveFormat.AverageBytesPerSecond = waveFormat.BlockAlign * samplesPerSecond;
captureBufferDescription = new CaptureBufferDescription();
captureBufferDescription.BufferBytes = waveFormat.AverageBytesPerSecond / 5;//approx 200 milliseconds of PCM data.
captureBufferDescription.Format = waveFormat;
playbackBufferDescription = new BufferDescription();
playbackBufferDescription.BufferBytes = waveFormat.AverageBytesPerSecond / 5;
playbackBufferDescription.Format = waveFormat;
playbackBuffer = new SecondaryBuffer(playbackBufferDescription, device);
bufferSize = captureBufferDescription.BufferBytes;
bIsCallActive = false;
nUdpClientFlag = 0;
//Using UDP sockets
LogLine("Initializing a socket...");
clientSocket = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
EndPoint ourEP = new IPEndPoint(IPAddress.Any, 3535);
clientSocket.Bind(ourEP);
//Receive data from any IP.
EndPoint remoteEP = (EndPoint)(new IPEndPoint(IPAddress.Any, 0));
byteData = new byte[1024];
//Receive data asynchornously.
LogLine("Preparing to receive data...");
clientSocket.BeginReceiveFrom(byteData,
0, byteData.Length,
SocketFlags.None,
ref remoteEP,
new AsyncCallback(OnReceive),
null);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Ошибка инициализации | Fenazy", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
/// <summary>
/// 创建录音服务对象
/// </summary>
/// <param name="owner">宿主</param>
/// <param name="deviceIndex">设备序号（0 - 默认设备）</param>
/// <param name="channelCount">通道数</param>
/// <param name="frequency">采样频率（次/秒）</param>
/// <param name="sampleSize">样本尺寸（位/次）</param>
/// <param name="bufferSectionTimeSpan">缓冲区片段的时间间隔</param>
/// <param name="bufferSectionCount">缓冲区片段数</param>
/// <param name="notificationEvent">通知点信号（工作线程等待此信号）</param>
public SoundRecorder(Control owner, int deviceIndex, short channelCount, int frequency, short sampleSize, TimeSpan bufferSectionTimeSpan, int bufferSectionCount, AutoResetEvent notificationEvent)
: base()
{
//宿主
this.Owner = owner;
#region 设备
CaptureDevicesCollection devices = new CaptureDevicesCollection();
this.Device = new Capture(devices[deviceIndex].DriverGuid);
#endregion
#region 缓冲区描述
#region Wave格式
WaveFormat format = new WaveFormat();
format.FormatTag = WaveFormatTag.Pcm; //格式类型
format.Channels = channelCount; //通道数
format.SamplesPerSecond = frequency; //采样频率（次/秒）
format.BitsPerSample = sampleSize; //样本尺寸（位/次）
format.BlockAlign = (short)((format.BitsPerSample / 8) * format.Channels); //数据块的最小单元（字节/次）
format.AverageBytesPerSecond = format.BlockAlign * format.SamplesPerSecond; //采样性能（字节/秒）
#endregion
//缓冲区片段尺寸
int bufferSectionSize = format.AverageBytesPerSecond * (int)bufferSectionTimeSpan.TotalSeconds;
//缓冲区尺寸
int bufferSize = bufferSectionSize * bufferSectionCount;
//创建
CaptureBufferDescription bufferDescription = new CaptureBufferDescription();
bufferDescription.Format = format;
bufferDescription.BufferBytes = bufferSize;
this.BufferDescription = bufferDescription;
#endregion
#region 缓冲区位置通知序列
//通知点信号
this.NotificationEvent = notificationEvent;
//位置通知序列
this.BufferPositionNotifys = new BufferPositionNotify[bufferSectionCount];
for (int i = 0; i < bufferSectionCount; i++)
{
this.BufferPositionNotifys[i].Offset = bufferSectionSize * (i + 1) - 1; //通知点
this.BufferPositionNotifys[i].EventNotifyHandle = this.NotificationEvent.SafeWaitHandle.DangerousGetHandle(); //通知点信号 Set()
}
#endregion
#region 工作线程
this.ThreadWorking = true;
this.WorkingThread = new Thread(new ParameterizedThreadStart(this.WorkingThreadProcess));
this.WorkingThread.IsBackground = true;
this.WorkingThread.Start(this.NotificationEvent); //带入参数
#endregion
}
private bool CreateCaptuerDevice()
{
//首先要玫举可用的捕捉设备
CaptureDevicesCollection capturedev = new CaptureDevicesCollection();
Guid devguid;
if (capturedev.Count > 0)
{
devguid = capturedev[0].DriverGuid;
}
else
{
MessageBox.Show("当前没有可用于音频捕捉的设备", "系统提示");
return false;
}
//利用设备GUID来建立一个捕捉设备对象
capture = new Capture(devguid);
return true;
}
public bool StartCodec(ref string strFault)
{
bool functionReturnValue = false;
//Returns true if successful
Thread.Sleep(100);
// This delay is necessary for reliable starup following a StopCodec
lock (objCodecLock) {
dttLastSoundCardSample = Now;
bool blnSpectrumSave = MCB.DisplaySpectrum;
bool blnWaterfallSave = MCB.DisplayWaterfall;
System.DateTime dttStartWait = Now;
MCB.DisplayWaterfall = false;
MCB.DisplaySpectrum = false;
string[] strCaptureDevices = EnumerateCaptureDevices();
string[] strPlaybackDevices = EnumeratePlaybackDevices();
functionReturnValue = false;
DeviceInformation objDI = new DeviceInformation();
int intPtr = 0;
// Playback devices
try {
cllPlaybackDevices = null;
cllPlaybackDevices = new Microsoft.DirectX.DirectSound.DevicesCollection();
if ((devSelectedPlaybackDevice != null)) {
devSelectedPlaybackDevice.Dispose();
devSelectedPlaybackDevice = null;
}
foreach (DeviceInformation objDI in cllPlaybackDevices) {
DeviceDescription objDD = new DeviceDescription(objDI);
if (strPlaybackDevices(intPtr) == MCB.PlaybackDevice) {
if (MCB.DebugLog)
Logs.WriteDebug("[Main.StartCodec] Setting SelectedPlaybackDevice = " + MCB.PlaybackDevice);
devSelectedPlaybackDevice = new Device(objDD.info.DriverGuid);
functionReturnValue = true;
break; // TODO: might not be correct. Was : Exit For
}
intPtr += 1;
}
if (!functionReturnValue) {
strFault = "Playback Device setup, Device " + MCB.PlaybackDevice + " not found in Windows enumerated Playback Devices";
}
} catch (Exception ex) {
strFault = Err.Number.ToString + "/" + Err.Description;
Logs.Exception("[StartCodec], Playback Device setup] Err: " + ex.ToString);
functionReturnValue = false;
}
if (functionReturnValue) {
// Capture Device
CaptureBufferDescription dscheckboxd = new CaptureBufferDescription();
try {
functionReturnValue = false;
cllCaptureDevices = null;
cllCaptureDevices = new CaptureDevicesCollection();
intPtr = 0;
for (int i = 0; i <= cllCaptureDevices.Count - 1; i++) {
if (MCB.CaptureDevice == strCaptureDevices(i)) {
objCaptureDeviceGuid = cllCaptureDevices(i).DriverGuid;
devCaptureDevice = new Capture(objCaptureDeviceGuid);
stcSCFormat.SamplesPerSecond = 12000;
// 12000 Hz sample rate
stcSCFormat.Channels = 1;
stcSCFormat.BitsPerSample = 16;
stcSCFormat.BlockAlign = 2;
stcSCFormat.AverageBytesPerSecond = 2 * 12000;
stcSCFormat.FormatTag = WaveFormatTag.Pcm;
objApplicationNotify = null;
objCapture = null;
// Set the buffer sizes
intCaptureBufferSize = intNotifySize * intNumberRecordNotifications;
// Create the capture buffer
dscheckboxd.BufferBytes = intCaptureBufferSize;
stcSCFormat.FormatTag = WaveFormatTag.Pcm;
dscheckboxd.Format = stcSCFormat;
// Set the format during creatation
if ((objCapture != null)) {
objCapture.Dispose();
objCapture = null;
}
//objCapture = New CaptureBuffer(dscheckboxd, devCaptureDevice)
intNextCaptureOffset = 0;
WriteTextToSpectrum("CODEC Start OK", Brushes.LightGreen);
while (Now.Subtract(dttStartWait).TotalSeconds < 3) {
Application.DoEvents();
Thread.Sleep(100);
}
objCapture = new CaptureBuffer(dscheckboxd, devCaptureDevice);
InititializeNotifications();
objCapture.Start(true);
// start with looping
InititializeSpectrum(Color.Black);
functionReturnValue = true;
}
}
if (!functionReturnValue) {
strFault = "Could not find DirectSound capture device " + MCB.CaptureDevice.ToUpper;
//Logs.Exception("[Main.StartCodec] Could not find DirectSound capture device " & MCB.CaptureDevice & " in Windows enumerated Capture Devices")
}
} catch (Exception ex) {
strFault = Err.Number.ToString + "/" + Err.Description;
functionReturnValue = false;
//Logs.Exception("[Main.StartCodec] Err: " & ex.ToString)
}
}
if (functionReturnValue) {
if (MCB.DebugLog)
Logs.WriteDebug("[Main.StartCodec] Successful start of codec");
objProtocol.ARDOPProtocolState = ProtocolState.DISC;
} else {
if (MCB.DebugLog)
Logs.WriteDebug("[Main.StartCodec] CODEC Start Failed");
WriteTextToSpectrum("CODEC Start Failed", Brushes.Red);
objProtocol.ARDOPProtocolState = ProtocolState.OFFLINE;
while (Now.Subtract(dttStartWait).TotalSeconds < 3) {
Application.DoEvents();
Thread.Sleep(100);
}
tmrStartCODEC.Interval = 5000;
tmrStartCODEC.Start();
}
InititializeSpectrum(Color.Black);
MCB.DisplayWaterfall = blnWaterfallSave;
MCB.DisplaySpectrum = blnSpectrumSave;
}
return functionReturnValue;
}
void FillCombos()
{
//Record Devices
CaptureDevicesCollection captureDeviceCollection = new CaptureDevicesCollection();
cmbRecordDevices.ValueMember = "DriverGuid";
cmbRecordDevices.DisplayMember = "Description";
foreach (DeviceInformation item in captureDeviceCollection)
{
_devices.Add(new capture_device()
{
Description = item.Description, ModuleName = item.ModuleName,
DriverGuid = item.DriverGuid
});
}
cmbRecordDevices.DataSource = _devices;
cmbBitsPerSample.DisplayMember = cmbSoundChannels.DisplayMember = cmbSoundSamplesxsec.DisplayMember = "description";
cmbBitsPerSample.ValueMember = cmbSoundChannels.ValueMember = cmbSoundSamplesxsec.ValueMember = "value";
//BitsXSample
_combo_channels.Add(new combo_properties() { description = "Mono", value = 0 });
_combo_channels.Add(new combo_properties() { description = "Estereo", value = 1 });
cmbSoundChannels.DataSource = _combo_channels;
//Channels
_combo_bits_sample.Add(new combo_properties() { description = "8Bit", value = 8 });
_combo_bits_sample.Add(new combo_properties() { description = "16Bit", value = 16 });
cmbBitsPerSample.DataSource = _combo_bits_sample;
//Samplesxsec
_combo_samples_second.Add(new combo_properties() { description = "11KHz", value = 11025 });
_combo_samples_second.Add(new combo_properties() { description = "22KHz", value = 22050 });
_combo_samples_second.Add(new combo_properties() { description = "44KHz", value = 44100 });
cmbSoundSamplesxsec.DataSource = _combo_samples_second;
cmbBitsPerSample.SelectedIndex = cmbSoundChannels.SelectedIndex = cmbSoundSamplesxsec.SelectedIndex = 1;
cmbCodecs.SelectedIndex = 0;
cmbRecordDevices.SelectedIndex = 0;
//short channels = 1; //Stereo.
//short bitsPerSample = 16; //16Bit, alternatively use 8Bits.
//int samplesPerSecond = 22050; //11KHz use 11025 , 22KHz use 22050, 44KHz use 44100 etc.
}
/// <summary>
/// 初始化录音设备，此处使用主录音设备
/// </summary>
/// <returns>调用成功返回true，否则false</returns>
bool InitCaptureDevice()
{
//获取默认的音频捕捉设备
CaptureDevicesCollection devices = new CaptureDevicesCollection();
Guid deviceGuid = Guid.Empty;
if (devices.Count > 0)
deviceGuid = devices[0].DriverGuid;
else
{
MessageBox.Show("系统中没有音频捕捉设备");
return false;
}
// 用指定的捕捉设备创建Capture对象
try
{
mCapDev = new Capture(deviceGuid);
}
catch (DirectXException e)
{
MessageBox.Show(e.ToString());
return false;
}
return true;
}
