public IEnumerable <DeviceInfo> EnumerateDevices()
{
if (mode == Mode.Record)
{
uint count = waveInGetNumDevs();
for (uint i = 0; i < count; ++i)
{
WAVEINCAPS caps = new WAVEINCAPS();
if (waveInGetDevCaps(i, ref caps, 48) == 0)
{
yield return(new DeviceInfo()
{
index = (int)i, name = caps.szPname
});
}
}
}
else if (mode == Mode.Play)
{
uint count = waveOutGetNumDevs();
for (uint i = 0; i < count; ++i)
{
WAVEOUTCAPS caps = new WAVEOUTCAPS();
if (waveOutGetDevCaps(i, ref caps, 48) == 0)
{
yield return(new DeviceInfo()
{
index = (int)i, name = caps.szPname
});
}
}
}
}
/// <summary>
/// Retrieves the capabilities of a device.
/// </summary>
/// <param name="deviceId">The DeviceID for which to retrieve the capabilities.</param>
/// <returns>The capabilities of the device.</returns>
private static WaveInDeviceCaps GetDeviceCaps(int deviceId)
{
WAVEINCAPS wicaps = new WAVEINCAPS();
NativeMethods.waveInGetDevCaps((IntPtr)deviceId, ref wicaps, Marshal.SizeOf(wicaps.GetType()));
WaveInDeviceCaps caps = new WaveInDeviceCaps();
caps.DeviceId = (int)deviceId;
caps.Channels = wicaps.wChannels;
caps.DriverVersion = (int)wicaps.vDriverVersion;
caps.Manufacturer = GetManufacturer(wicaps.wMid);
caps.Name = wicaps.szPname;
caps.ProductId = wicaps.wPid;
return(caps);
}
//http://blogs.msdn.com/b/matthew_van_eerde/archive/2012/03/13/sample-how-to-enumerate-wavein-and-waveout-devices-on-your-system.aspx
//http://www.codeproject.com/Articles/18685/Enumerating-Sound-Recording-Devices-Using-winmm-dl?fid=415295&df=90&mpp=10&noise=1&prof=True&sort=Position&view=Quick&spc=Relaxed&fr=11
public static List <string> EnumInputDevices()
{
List <string> InputDeviceNames = new List <string>();
int waveInDevicesCount = waveInGetNumDevs(); //get total
if (waveInDevicesCount > 0)
{
for (int uDeviceID = 0; uDeviceID < waveInDevicesCount; uDeviceID++)
{
WAVEINCAPS waveInCaps = new WAVEINCAPS();
waveInGetDevCaps(uDeviceID, ref waveInCaps, Marshal.SizeOf(typeof(WAVEINCAPS)));
string devnameandid = "Device ID " + uDeviceID + ": " + new string(waveInCaps.szPname);
InputDeviceNames.Add(devnameandid.Remove(devnameandid.IndexOf('\0')).Trim());
}
}
return(InputDeviceNames);
}
/// <summary>
/// Gets the dev caps recording.
/// </summary>
/// <returns></returns>
public static WAVEINCAPS[] GetDevCapsRecording()
{
var waveInDevicesCount = waveInGetNumDevs();
if (waveInDevicesCount > 0)
{
var list = new WAVEINCAPS[waveInDevicesCount];
for (var uDeviceID = 0; uDeviceID < waveInDevicesCount; uDeviceID++)
{
var waveInCaps = new WAVEINCAPS();
waveInGetDevCaps(uDeviceID, ref waveInCaps, Marshal.SizeOf(typeof(WAVEINCAPS)));
list[uDeviceID] = waveInCaps;
}
return(list);
}
else
{
return(null);
}
}
static void Main(string[] args)
{
var deviceCount = waveOutGetNumDevs();
Console.WriteLine("Найдено {0} устаройств вывода: ", deviceCount);
for (var i = 0; i < deviceCount; ++i) {
var wOutCaps = new WAVEOUTCAPS();
waveOutGetDevCaps(new UIntPtr((uint)i), ref wOutCaps, (uint)Marshal.SizeOf(typeof(WAVEOUTCAPS)));
Console.WriteLine("Имя:\"{0}\" Каналов:{1}", wOutCaps.SzPname, wOutCaps.WChannels);
}
Console.WriteLine();
deviceCount = waveInGetNumDevs();
Console.WriteLine("Найдено {0} устаройств ввода: ", deviceCount);
for (var i = 0; i < deviceCount; ++i) {
var wInCaps = new WAVEINCAPS();
waveInGetDevCaps(new UIntPtr((uint)i), ref wInCaps, (uint)Marshal.SizeOf(typeof(WAVEOUTCAPS)));
Console.WriteLine("Имя:\"{0}\" Каналов:{1}", wInCaps.SzPname, wInCaps.WChannels);
}
Console.WriteLine("\nДля выхода нажмите Enter.");
Console.ReadLine();
}
/// <summary>Get the input device name from device id</summary>
/// <param name="deviceId">device id</param>
/// <param name="prodName">returns device name</param>
/// <returns>MMSYSERR</returns>
public MMSYSERR GetInputDeviceName(uint deviceId, ref string prodName)
{
WAVEINCAPS caps = new WAVEINCAPS();
MMSYSERR result = waveInGetDevCaps(deviceId, out caps, (uint)Marshal.SizeOf(caps));
if (result != MMSYSERR.NOERROR)
{
return(result);
}
prodName = new string(caps.szPname);
if (prodName.Contains("(") && !(prodName.Contains(")")))
{
prodName = prodName.Substring(0, prodName.IndexOf("("));
}
else if (prodName.Contains(")"))
{
if (prodName.IndexOf(")") > 8)
{
prodName = prodName.Substring(0, prodName.IndexOf(")") + 1);
}
}
return(MMSYSERR.NOERROR);
}
public static extern int waveInGetDevCaps(int uDeviceID, ref WAVEINCAPS lpCaps, int uSize);
private static extern uint waveInGetDevCaps(uint uDeviceID, ref WAVEINCAPS pwic, uint cbwic);
public static extern uint waveInGetDevCaps(UIntPtr hWaveIn, ref WAVEINCAPS pwic, uint cbwoc);
public static extern int waveInGetDevCaps(IntPtr uDeviceID, ref WAVEINCAPS pwic, uint cbwic);
public static extern uint waveInGetDevCaps(IntPtr deviceId, out WAVEINCAPS caps, int capsSize);
/// <summary>
/// Preload the buffers and prepare them for recording.
/// </summary>
/// <param name="curDevice">Device to use for recording</param>
/// <param name="hwnd">Handle to a message window that will receive
/// audio messages.</param>
/// <param name="maxRecordLength_ms">Maximum length of recording</param>
/// <param name="bufferSize">Size of buffers to use for recording. New
/// buffers are added when needed until the maximum length is reached
/// or the recording is stopped.</param>
/// <returns>MMSYSERR.NOERROR if successful</returns>
public Wave.MMSYSERR Preload(uint curDevice, IntPtr hwnd, int maxRecordLength_ms, int bufferSize)
{
// Do not allow recording to be interrupted
if (m_recording)
return Wave.MMSYSERR.ERROR;
// If this file is already initialized then start over
if (m_inited)
{
Stop();
FreeWaveBuffers();
}
// Create an instance of WAVEINCAPS to check if our desired
// format is supported
WAVEINCAPS caps = new WAVEINCAPS();
waveInGetDevCaps(0, caps, caps.Size);
if ((caps.dwFormats & Wave.WAVE_FORMAT_1S16) == 0)
return Wave.MMSYSERR.NOTSUPPORTED;
// Initialize a WAVEFORMATEX structure specifying the desired
// format
m_wfmt = new Wave.WAVEFORMATEX();
m_wfmt.wFormatTag = Wave.WAVEHDR.WAVE_FORMAT_PCM;
m_wfmt.wBitsPerSample = 16;
m_wfmt.nChannels = 2;
m_wfmt.nSamplesPerSec = 44110;//11025;
m_wfmt.nAvgBytesPerSec = (uint)(m_wfmt.nSamplesPerSec * m_wfmt.nChannels * (m_wfmt.wBitsPerSample / 8));
m_wfmt.nBlockAlign = (ushort)(m_wfmt.wBitsPerSample * m_wfmt.nChannels / 8);
// Attempt to open the specified device with the desired wave format
Wave.MMSYSERR result = waveInOpen(ref m_hwi, curDevice, m_wfmt, hwnd, 0, Wave.CALLBACK_WINDOW);
if (result != Wave.MMSYSERR.NOERROR)
return result;
if (bufferSize == 0)
return Wave.MMSYSERR.ERROR;
m_bufferSize = (uint)bufferSize;
// Force the buffers to align to nBlockAlign
if (m_bufferSize % m_wfmt.nBlockAlign != 0)
m_bufferSize += m_wfmt.nBlockAlign - (m_bufferSize % m_wfmt.nBlockAlign);
// Determine the number of buffers needed to record the maximum length
m_maxDataLength = (uint)(m_wfmt.nAvgBytesPerSec * maxRecordLength_ms / 1000);
m_numBlocks = (int)(m_maxDataLength / m_bufferSize);
if (m_numBlocks * m_bufferSize < m_maxDataLength)
m_numBlocks++;
// Allocate the list of buffers
m_whdr = new Wave.WAVEHDR[m_numBlocks + 1];
// Allocate and initialize two buffers to start with
m_whdr[0] = new Wave.WAVEHDR();
m_whdr[1] = new Wave.WAVEHDR();
result = InitBuffer(0);
if (result != Wave.MMSYSERR.NOERROR)
return result;
result = InitBuffer(1);
if (result != Wave.MMSYSERR.NOERROR)
return result;
m_curBlock = 0;
m_inited = true;
return Wave.MMSYSERR.NOERROR;
}
/// <summary>
/// Get the name of the specified recording device.
/// </summary>
/// <param name="deviceId">ID of the device</param>
/// <param name="prodName">Destination string assigned the name</param>
/// <returns>MMSYSERR.NOERROR if successful</returns>
public Wave.MMSYSERR GetDeviceName(uint deviceId, ref string prodName)
{
WAVEINCAPS caps = new WAVEINCAPS();
Wave.MMSYSERR result = waveInGetDevCaps(deviceId, caps, caps.Size);
if (result != Wave.MMSYSERR.NOERROR)
return result;
prodName = caps.szPname;
return Wave.MMSYSERR.NOERROR;
}
public static extern uint waveInGetDevCaps(int index, ref WAVEINCAPS pwic, int cbwic);
//http://blogs.msdn.com/b/matthew_van_eerde/archive/2012/03/13/sample-how-to-enumerate-wavein-and-waveout-devices-on-your-system.aspx
//http://www.codeproject.com/Articles/18685/Enumerating-Sound-Recording-Devices-Using-winmm-dl?fid=415295&df=90&mpp=10&noise=1&prof=True&sort=Position&view=Quick&spc=Relaxed&fr=11
public static List<string> EnumInputDevices()
{
List<string> InputDeviceNames = new List<string>();
int waveInDevicesCount = waveInGetNumDevs(); //get total
if (waveInDevicesCount > 0)
{
for (int uDeviceID = 0; uDeviceID < waveInDevicesCount; uDeviceID++)
{
WAVEINCAPS waveInCaps = new WAVEINCAPS();
waveInGetDevCaps(uDeviceID, ref waveInCaps, Marshal.SizeOf(typeof(WAVEINCAPS)));
string devnameandid = "Device ID " + uDeviceID + ": " + new string(waveInCaps.szPname);
InputDeviceNames.Add(devnameandid.Remove(devnameandid.IndexOf('\0')).Trim());
}
}
return InputDeviceNames;
}
public static extern int waveInGetDevCaps(int uDeviceID, ref WAVEINCAPS lpCaps, int uSize);
private static extern uint waveInGetDevCaps(int hwo, ref WAVEINCAPS pwic, /*uint*/ int cbwic);
public static extern int waveInGetDevCaps(uint uDeviceID, ref WAVEINCAPS pwic, uint cbwic);
private static extern MMSYSERR waveInGetDevCaps(uint uDeviceID, out WAVEINCAPS pwoc, uint cbwoc);
