internal static void WaveInProc(IntPtr hdrvr, int uMsg, int dwUser, ref WaveNative.WaveHdr wavhdr, int dwParam2)
{
if (uMsg == WaveNative.MM_WIM_DATA)
{
GCHandle h = (GCHandle)wavhdr.dwUser;
WaveInBuffer buf = (WaveInBuffer)h.Target;
buf.OnCompleted();
}
}
private void WaitForAllBuffers()
{
WaveInBuffer Buf = m_Buffers;
while (Buf.NextBuffer != m_Buffers)
{
Buf.WaitFor();
Buf = Buf.NextBuffer;
}
}
/// <summary>Wait for buffers</summary>
private void WaitForAllBuffers()
{
WaveInBuffer buf = _cBuffers;
while (buf._cNextBuffer != _cBuffers)
{
buf.WaitFor();
buf = buf._cNextBuffer;
}
}
internal static void WaveInProc(IntPtr hdrvr, int uMsg, int dwUser, ref WAVEHDR wavhdr, int dwParam2)
{
if (uMsg == MM_WIM_DATA)
{
try
{
GCHandle h = (GCHandle)wavhdr.dwUser;
WaveInBuffer buf = (WaveInBuffer)h.Target;
buf.OnCompleted();
}
catch { }
}
}
private void FreeBuffers()
{
m_CurrentBuffer = null;
if (m_Buffers != null)
{
WaveInBuffer First = m_Buffers;
m_Buffers = null;
WaveInBuffer Current = First;
do
{
WaveInBuffer Next = Current.NextBuffer;
Current.Dispose();
Current = Next;
} while(Current != First);
}
}
private void ThreadProc()
{
while (!m_Finished)
{
m_CurrentBuffer = (m_CurrentBuffer == buffer1) ? buffer2 : buffer1;
m_CurrentBuffer.WaitFor();
m_DoneProc(m_CurrentBuffer.Data, m_CurrentBuffer.Size);
if (m_Finished)
{
break;
}
m_CurrentBuffer.Record();
}
}
public WaveInRecorder(int device, WaveFormat format, int bufferSize, BufferDoneEventHandler doneProc)
{
m_DoneProc = doneProc;
WaveInRecorder.ThrowOnError(WaveNative.waveInOpen(out m_WaveIn, device, format, m_BufferProc, 0, WaveNative.CALLBACK_FUNCTION));
buffer1 = new WaveInBuffer(m_WaveIn, bufferSize);
buffer2 = new WaveInBuffer(m_WaveIn, bufferSize);
buffer1.Record();
buffer2.Record();
m_CurrentBuffer = buffer1;
WaveInRecorder.ThrowOnError(WaveNative.waveInStart(m_WaveIn));
m_Thread = new Thread(new ThreadStart(ThreadProc));
m_Thread.Start();
}
/// <summary>Free the internal buffers</summary>
private void FreeBuffers()
{
_cCurrentBuffer = null;
if (_cBuffers != null)
{
WaveInBuffer first = _cBuffers;
_cBuffers = null;
WaveInBuffer current = first;
do
{
WaveInBuffer Next = current._cNextBuffer;
current.Dispose();
current = Next;
} while(current != first);
}
}
private void AllocateBuffers(int bufferSize, int bufferCount)
{
FreeBuffers();
if (bufferCount > 0)
{
m_Buffers = new WaveInBuffer(m_WaveIn, bufferSize);
WaveInBuffer Prev = m_Buffers;
try
{
for (int i = 1; i < bufferCount; i++)
{
WaveInBuffer Buf = new WaveInBuffer(m_WaveIn, bufferSize);
Prev.NextBuffer = Buf;
Prev = Buf;
}
}
finally
{
Prev.NextBuffer = m_Buffers;
}
}
}
/// <summary>Allocate internal buffers</summary>
/// <param name="bufferSize">size of buffer</param>
/// <param name="bufferCount">number of buffers to allocate</param>
private void AllocateBuffers(uint bufferSize, uint bufferCount)
{
FreeBuffers();
if (bufferCount > 0)
{
_cBuffers = new WaveInBuffer(_pWaveIn, bufferSize);
WaveInBuffer Prev = _cBuffers;
try
{
for (int i = 1; i < bufferCount; i++)
{
WaveInBuffer Buf = new WaveInBuffer(_pWaveIn, bufferSize);
Prev._cNextBuffer = Buf;
Prev = Buf;
}
}
finally
{
Prev._cNextBuffer = _cBuffers;
}
}
}
private void SelectNextBuffer()
{
m_CurrentBuffer = m_CurrentBuffer == null ? m_Buffers : m_CurrentBuffer.NextBuffer;
}
private void FreeBuffers()
{
m_CurrentBuffer = null;
if (m_Buffers != null)
{
WaveInBuffer First = m_Buffers;
m_Buffers = null;
WaveInBuffer Current = First;
do
{
WaveInBuffer Next = Current.NextBuffer;
Current.Dispose();
Current = Next;
} while(Current != First);
}
}
private void AllocateBuffers(int bufferSize, int bufferCount)
{
FreeBuffers();
if (bufferCount > 0)
{
m_Buffers = new WaveInBuffer(m_WaveIn, bufferSize);
WaveInBuffer Prev = m_Buffers;
try
{
for (int i = 1; i < bufferCount; i++)
{
WaveInBuffer Buf = new WaveInBuffer(m_WaveIn, bufferSize);
Prev.NextBuffer = Buf;
Prev = Buf;
}
}
finally
{
Prev.NextBuffer = m_Buffers;
}
}
}
private void SelectNextBuffer()
{
m_CurrentBuffer = m_CurrentBuffer == null ? m_Buffers : m_CurrentBuffer.NextBuffer;
}
/// <summary>Select next internal buffer</summary>
private void SelectNextBuffer()
{
_cCurrentBuffer = _cCurrentBuffer == null ? _cBuffers : _cCurrentBuffer._cNextBuffer;
}
