//fill sound recording devices array
public RecordingDevices()
{
int waveInDevicesCount = waveInGetNumDevs(); //get total
if (waveInDevicesCount > 0)
{
for (int uDeviceID = 0; uDeviceID < waveInDevicesCount; uDeviceID++)
{
WaveInCaps waveInCaps = new WaveInCaps();
waveInGetDevCapsA(uDeviceID, ref waveInCaps,
Marshal.SizeOf(typeof(WaveInCaps)));
deviceList.Add(new string(waveInCaps.szPname).Remove(new string(waveInCaps.szPname).IndexOf('\0')).Trim());
//clean garbage
}
}
}
public ArrayList getRecDevs() //fill sound recording devices array
{
ArrayList arrLst = new ArrayList();
int waveInDevicesCount = waveInGetNumDevs(); //get total
if (waveInDevicesCount > 0)
{
for (int uDeviceID = 0; uDeviceID < waveInDevicesCount; uDeviceID++)
{
WaveInCaps waveInCaps = new WaveInCaps();
waveInGetDevCapsA(uDeviceID,ref waveInCaps,
Marshal.SizeOf(typeof(WaveInCaps)));
waveInCaps.uDeviceID = uDeviceID;
waveInCaps.szPname = new string(waveInCaps.szPname).Remove(new string(waveInCaps.szPname).IndexOf('\0')).Trim().ToCharArray();
arrLst.Add(waveInCaps);
//arrLst.Add(new string(waveInCaps.szPname).Remove(
//new string(waveInCaps.szPname).IndexOf('\0')).Trim());
}
}
return arrLst;
}
public static extern int waveInGetDevCaps(int uDeviceID, ref WaveInCaps pwoc, int cbwoc);
public static extern int waveInGetDevCaps(uint uDeviceID, out WaveInCaps pwic, int cbwic);
public static extern int waveInGetDevCapsA(int uDeviceID,
ref WaveInCaps lpCaps, int uSize);
/// <summary>
/// A list of PCM wave formats supported by the given device
/// </summary>
/// <param name="DeviceID">Wave device</param>
/// <returns>SoundFormats collection</returns>
public SoundFormats SupportedRecordingFormats(int DeviceID)
{
WaveInCaps wic = new WaveInCaps();
int ret = Wave.waveInGetDevCaps(DeviceID, wic.ToByteArray(), wic.ToByteArray().Length);
CheckWaveError(ret);
return((SoundFormats)wic.Formats);
}
private void deviceslist_SelectedIndexChanged(object sender, EventArgs e)
{
if (deviceslist.SelectedItems.Count > 0)
{
_selectedDevice = (WaveInCaps)deviceslist.SelectedItems[0].Tag;
btnStart.Enabled = true;
}
else
{
btnStart.Enabled = false;
}
}
// 获取可以用于记录声音的设备的列表
public static void clsRecDevices() //fill sound recording devices array
{
int waveInDevicesCount = waveInGetNumDevs(); //get total
if (waveInDevicesCount > 0)
{
for (int uDeviceID = 0; uDeviceID < waveInDevicesCount; uDeviceID++)
{
WaveInCaps waveInCaps = new WaveInCaps();
waveInGetDevCapsA(uDeviceID, ref waveInCaps, Marshal.SizeOf(typeof(WaveInCaps)));
arrLst.Add(new string(waveInCaps.szPname).Remove(new string(waveInCaps.szPname).IndexOf('\0')).Trim());
}
}
}
//fill sound recording devices array
public clsRecDevices()
{
int waveInDevicesCount = waveInGetNumDevs();//get total
if (waveInDevicesCount > 0)
{
for (int uDeviceID = 0; uDeviceID < waveInDevicesCount; uDeviceID++)
{
WaveInCaps waveInCaps = new WaveInCaps();
waveInGetDevCapsA(uDeviceID, ref waveInCaps, Marshal.SizeOf(typeof(WaveInCaps)));
arrLst.Add(new string(waveInCaps.szPname).Remove(new string(waveInCaps.szPname).IndexOf('\0')).Trim());
//clean garbage
}
}
}
private bool m_Disposed; // Has IDisposable::Dispose been called?
/// <summary>
/// Returns an array of recording devices
/// </summary>
/// <returns>Capabilities of the devices</returns>
public static WaveInCaps[] GetDevices()
{
int iCount = waveIn.GetNumDevs();
WaveInCaps[] pwicRet = new WaveInCaps[iCount];
for (int x = 0; x < iCount; x++)
{
pwicRet[x] = new WaveInCaps();
int mmr = waveIn.GetDevCaps(x, pwicRet[x], Marshal.SizeOf(pwicRet[x]));
waveOut.ThrowExceptionForError(mmr);
}
return(pwicRet);
}
public ArrayList getOutDevs() //fill sound recording devices array
{
ArrayList arrLst = new ArrayList();
int waveOutDevicesCount = waveOutGetNumDevs(); //get total
if (waveOutDevicesCount > 0)
{
for (int uDeviceID = 0; uDeviceID < waveOutDevicesCount; uDeviceID++)
{
WaveInCaps waveInCaps = new WaveInCaps();
waveOutGetDevCapsA(uDeviceID, ref waveInCaps,
Marshal.SizeOf(typeof(WaveInCaps)));
waveInCaps.uDeviceID = uDeviceID;
waveInCaps.szPname = new string(waveInCaps.szPname).Remove(new string(waveInCaps.szPname).IndexOf('\0')).Trim().ToCharArray();
arrLst.Add(waveInCaps);
//arrLst.Add(new string(waveInCaps.szPname).Remove(
//new string(waveInCaps.szPname).IndexOf('\0')).Trim());
}
}
return(arrLst);
}
public static int waveInGetDevCapsA(int hwo, ref WaveInCaps lpCaps, int uSize)
{
waveInGetDevCapsADelegate d = DllImportExtern.Invoke(WINMM_DLL, "waveInGetDevCapsA", Typeof <waveInGetDevCapsADelegate>()) as waveInGetDevCapsADelegate;
return(d(hwo, ref lpCaps, uSize));
}
public static extern int waveInGetDevCaps(uint uDeviceID, out WaveInCaps pwic, int cbwic);
public static extern int waveInGetDevCapsA(int uDeviceID, ref WaveInCaps lpCaps, int uSize);
public static extern int waveInGetDevCaps(int uDeviceID, ref WaveInCaps wic, int cbwic);
