public WaveOut(int index,WAVEFORMATEX format,int buffersize,int buffer_count)//波形输出
{
this.m_fmt=format;
this.m_outdex=index;
m_buffersize=buffersize;
m_outcb=new waveProc(this.waveOutProc);
Debug.Assert(buffer_count>0 && buffer_count<65535);
this.m_hs=new WAVEHDR[buffer_count];
this.gchs=new GCHandle[buffer_count];
for(int i=0;i<buffer_count;i++)
{
gchs[i]=GCHandle.Alloc(new byte[buffersize],GCHandleType.Pinned);
WAVEHDR hdr=new WAVEHDR();
hdr.dwBufferLength=buffersize;
hdr.lpData=this.gchs[i].AddrOfPinnedObject();
hdr.dwUser=i;
this.m_hs[i]=hdr;
}
CheckError(waveOutOpen(ref m_out,m_outdex,ref m_fmt,m_outcb,0,0x00030000));
}
public WaveOut(int index, WAVEFORMATEX format, int buffersize, int buffer_count) //波形输出
{
this.m_fmt = format;
this.m_outdex = index;
m_buffersize = buffersize;
m_outcb = new waveProc(this.waveOutProc);
Debug.Assert(buffer_count > 0 && buffer_count < 65535);
this.m_hs = new WAVEHDR[buffer_count];
this.gchs = new GCHandle[buffer_count];
for (int i = 0; i < buffer_count; i++)
{
gchs[i] = GCHandle.Alloc(new byte[buffersize], GCHandleType.Pinned);
WAVEHDR hdr = new WAVEHDR();
hdr.dwBufferLength = buffersize;
hdr.lpData = this.gchs[i].AddrOfPinnedObject();
hdr.dwUser = i;
this.m_hs[i] = hdr;
}
CheckError(waveOutOpen(ref m_out, m_outdex, ref m_fmt, m_outcb, 0, 0x00030000));
}
public WaveIn(int index,WAVEFORMATEX format,int buffersize,int buffer_count)
{
this.m_fmt=format;
this.m_index=index;
m_incb=new waveProc(this.waveInProc);
Debug.Assert(buffer_count>0 && buffer_count<65535);
this.m_hs=new WAVEHDR[buffer_count];
this.gchs=new GCHandle[buffer_count];
// this.datas=new IntPtr[buffer_count];
for(int i=0;i<buffer_count;i++)
{
gchs[i]=GCHandle.Alloc(new byte[buffersize],GCHandleType.Pinned);
// this.datas[i]=Marshal.AllocCoTaskMem(buffer_count);
WAVEHDR hdr=new WAVEHDR();
hdr.dwBufferLength=buffersize;
hdr.lpData=this.gchs[i].AddrOfPinnedObject();
hdr.dwUser=i;
this.m_hs[i]=hdr;
}
CheckError(waveInOpen(ref m_in,m_index,ref m_fmt,m_incb,0,0x00030000));
CheckError(waveInStart(m_in));
}
public WaveIn(int index, WAVEFORMATEX format, int buffersize, int buffer_count)
{
this.m_fmt = format;
this.m_index = index;
m_incb = new waveProc(this.waveInProc);
Debug.Assert(buffer_count > 0 && buffer_count < 65535);
this.m_hs = new WAVEHDR[buffer_count];
this.gchs = new GCHandle[buffer_count];
// this.datas=new IntPtr[buffer_count];
for (int i = 0; i < buffer_count; i++)
{
gchs[i] = GCHandle.Alloc(new byte[buffersize], GCHandleType.Pinned);
// this.datas[i]=Marshal.AllocCoTaskMem(buffer_count);
WAVEHDR hdr = new WAVEHDR();
hdr.dwBufferLength = buffersize;
hdr.lpData = this.gchs[i].AddrOfPinnedObject();
hdr.dwUser = i;
this.m_hs[i] = hdr;
}
CheckError(waveInOpen(ref m_in, m_index, ref m_fmt, m_incb, 0, 0x00030000));
CheckError(waveInStart(m_in));
}
private extern static int waveOutOpen(ref IntPtr phwo,int uDeviceID, ref WAVEFORMATEX pwfx, waveProc dwCallback,int dwInstance, int fdwOpen);
private extern static int waveOutOpen(ref IntPtr phwo, int uDeviceID,
ref WAVEFORMATEX pwfx, waveProc dwCallback, int dwInstance, int fdwOpen);
