static void Main(string[] args)
{
//StreamWriter sw = new StreamWriter("output.dat", false);
//bw = new BinaryWriter(sw.BaseStream);
int ret;
IntPtr waveIn;
WaveHdr waveHeader1 = new WaveHdr();
WaveHdr waveHeader2 = new WaveHdr();
GCHandle wh1 = GCHandle.Alloc(waveHeader1, GCHandleType.Pinned);
GCHandle wh2 = GCHandle.Alloc(waveHeader2, GCHandleType.Pinned);
WaveFormat wf = new WaveFormat();
wf.wFormatTag = 1; // 1 is PCM
wf.nChannels = 1;
wf.nSamplesPerSec = sampleRate;
wf.wBitsPerSample = 16;
wf.nBlockAlign = 2;
wf.cbSize = 0;
wf.nAvgBytesPerSec = wf.nSamplesPerSec * wf.wBitsPerSample / 8;
d = new WaveDelegate(waveInCallback);
int devID = -1;
int callbackInstance = 0;
ret = waveInOpen(out waveIn, devID, ref wf, d,
ref callbackInstance, CALLBACK_FUNCTION);
if (ret != 0)
return;
waveHeader1.dwBufferLength = bufferSize;
waveHeader2.dwBufferLength = bufferSize;
waveHeader1.lpData = Marshal.AllocHGlobal(bufferSize);
waveHeader2.lpData = Marshal.AllocHGlobal(bufferSize);
ret = waveInPrepareHeader(waveIn, ref waveHeader1, Marshal.SizeOf(waveHeader1));
ret = waveInAddBuffer(waveIn, ref waveHeader1, Marshal.SizeOf(waveHeader1));
ret = waveInPrepareHeader(waveIn, ref waveHeader2, Marshal.SizeOf(waveHeader2));
ret = waveInAddBuffer(waveIn, ref waveHeader2, Marshal.SizeOf(waveHeader2));
ret = waveInStart(waveIn);
Keyboard keyboard = new Keyboard();
while (true)
{
Thread.Sleep(100);
if (keyboard.AltKeyDown == true)
break;
}
ret = waveInStop(waveIn);
ret = waveInClose(waveIn);
//bw.Close();
}
public static extern int waveOutOpen(out IntPtr hWaveOut, int uDeviceID, WaveFormat lpFormat, WaveDelegate dwCallback, int dwInstance, int dwFlags);
private static extern MMSYSERR waveInOpen(out IntPtr phwi, int uDeviceID, ref WaveFormatEx lpFormat, WaveDelegate dwCallback, int dwInstance, int dwFlags);
public static extern int waveInOpen(out IntPtr phwi, int uDeviceID,
ref WaveFormat lpFormat,
WaveDelegate dwCallback, ref int dwInstance, int dwFlags);
public static extern int waveOutOpen(out IntPtr hWaveOut, int uDeviceID, WaveFormat lpFormat, WaveDelegate dwCallback, int dwInstance, int dwFlags);
public static int waveInOpen(out IntPtr phwi, uint uDeviceID, ref WaveFormatEx lpFormat, WaveDelegate dwCallback, IntPtr dwInstance, int dwFlags)
{
waveInOpenDelegate d = DllImportExtern.Invoke(DllImportExtern.WINMM_DLL, "waveInOpen", typeof(waveInOpenDelegate)) as waveInOpenDelegate;
return(d(out phwi, uDeviceID, ref lpFormat, dwCallback, dwInstance, dwFlags));
}
static void Main(string[] args)
{
//StreamWriter sw = new StreamWriter("output.dat", false);
//bw = new BinaryWriter(sw.BaseStream);
int ret;
IntPtr waveIn;
WaveHdr waveHeader1 = new WaveHdr();
WaveHdr waveHeader2 = new WaveHdr();
GCHandle wh1 = GCHandle.Alloc(waveHeader1, GCHandleType.Pinned);
GCHandle wh2 = GCHandle.Alloc(waveHeader2, GCHandleType.Pinned);
WaveFormat wf = new WaveFormat();
wf.wFormatTag = 1; // 1 is PCM
wf.nChannels = 1;
wf.nSamplesPerSec = sampleRate;
wf.wBitsPerSample = 16;
wf.nBlockAlign = 2;
wf.cbSize = 0;
wf.nAvgBytesPerSec = wf.nSamplesPerSec * wf.wBitsPerSample / 8;
d = new WaveDelegate(waveInCallback);
int devID = -1;
int callbackInstance = 0;
ret = waveInOpen(out waveIn, devID, ref wf, d,
ref callbackInstance, CALLBACK_FUNCTION);
if (ret != 0)
{
return;
}
waveHeader1.dwBufferLength = bufferSize;
waveHeader2.dwBufferLength = bufferSize;
waveHeader1.lpData = Marshal.AllocHGlobal(bufferSize);
waveHeader2.lpData = Marshal.AllocHGlobal(bufferSize);
ret = waveInPrepareHeader(waveIn, ref waveHeader1, Marshal.SizeOf(waveHeader1));
ret = waveInAddBuffer(waveIn, ref waveHeader1, Marshal.SizeOf(waveHeader1));
ret = waveInPrepareHeader(waveIn, ref waveHeader2, Marshal.SizeOf(waveHeader2));
ret = waveInAddBuffer(waveIn, ref waveHeader2, Marshal.SizeOf(waveHeader2));
ret = waveInStart(waveIn);
Keyboard keyboard = new Keyboard();
while (true)
{
Thread.Sleep(100);
if (keyboard.AltKeyDown == true)
{
break;
}
}
ret = waveInStop(waveIn);
ret = waveInClose(waveIn);
//bw.Close();
}
public static extern int waveInOpen(out IntPtr phwi, int uDeviceID, WaveFormat lpFormat, WaveDelegate dwCallback, IntPtr dwInstance, int dwFlags);
private static extern MMSYSERR waveInOpen(out IntPtr phwi, int uDeviceID, ref WAVEFORMATEX lpFormat, WaveDelegate dwCallback, int dwInstance, int dwFlags);
public void ClearWave()
{
wave = null;
}
//打开麦克风 public static extern int waveInOpen(out IntPtr phwi, int uDeviceID, ref WaveFormatEx lpFormat, WaveDelegate dwCallback, UInt32 dwInstance, UInt32 dwFlags);
private static extern uint waveOutOpen(out IntPtr waveOutHandle, int deviceId, WAVEFORMATEX format, WaveDelegate callback,
uint delegateInstance, uint flags);
public static extern Int32 waveOutOpen(out IntPtr hWaveOut, Int32 uDeviceID, WaveFormat lpFormat, WaveDelegate dwCallback, Int32 dwInstance, Int32 dwFlags);
