private void btnOpenSound_Click(object sender, EventArgs e)
{
// private Int32 m_iPreviewType = 0;
if (m_lRealHandle < 0)
{
MessageBox.Show("Please preview first");
}
else
{
if (m_iPreviewType == 0) // callback
{
if (!m_bOpenSound)
{
if (PlayCtrl.PlayM4_PlaySound(m_lPort))
{
m_bOpenSound = true;
btnOpenSound.Text = "Stop sound";
}
else
{
Debug.Print("Fail to open sound");
}
}
else
{
if (PlayCtrl.PlayM4_StopSound())
{
m_bOpenSound = false;
btnOpenSound.Text = "Open sound";
}
}
}
else // Sdk decode
{
if (!m_bOpenSound)
{
if (CHCNetSDK.NET_DVR_OpenSound(m_lRealHandle))
{
m_bOpenSound = true;
btnOpenSound.Text = "Stop sound";
}
else
{
Debug.Print("Fail to open sound");
}
}
else
{
if (CHCNetSDK.NET_DVR_CloseSound())
{
m_bOpenSound = false;
btnOpenSound.Text = "Open sound";
}
}
}
}
}