private mmStatus playSesssion(mmSessionDictionaryKeys flags, IntPtr lpData)
{
if (_hSession == IntPtr.Zero)
return mmStatus.MM_STS_LIB_ERROR_INVALID_STATE;
if (lpData != IntPtr.Zero) // else a re-connect on error case using existing params
{
_parms.Play.PlayParms = (MM_CLIENT_PLAY)Marshal.PtrToStructure(lpData, typeof(MM_CLIENT_PLAY));
if (_parms.Play.PlayParms.Size == (Marshal.SizeOf(typeof(MM_CLIENT_PLAY))))
{
_parms.Play.StartTime = MMInterop.PtrToString(lpData + Marshal.SizeOf(typeof(MM_CLIENT_PLAY)));
_parms.Play.EndTime = MMInterop.PtrToString(lpData + Marshal.SizeOf(typeof(MM_CLIENT_PLAY)) + (2 * (_parms.Play.StartTime.Length + 1)));
}
else
return mmStatus.MM_STS_SRC_ERROR_INCOMPATIBLE_API;
}
if (string.IsNullOrEmpty(_parms.Play.StartTime))
_parms.Play.PlayParms.PStartTime = IntPtr.Zero;
else
_parms.Play.PlayParms.PStartTime = (IntPtr)Marshal.StringToHGlobalAnsi(_parms.Play.StartTime);
if (string.IsNullOrEmpty(_parms.Play.EndTime))
_parms.Play.PlayParms.PEndTime = IntPtr.Zero;
else
_parms.Play.PlayParms.PEndTime = (IntPtr)Marshal.StringToHGlobalAnsi(_parms.Play.EndTime);
mmStatus sts = mmMethods.mmClientPlay(_hSession, ref _parms.Play.PlayParms);
if (_parms.Play.PlayParms.PStartTime != IntPtr.Zero)
Marshal.FreeHGlobal(_parms.Play.PlayParms.PStartTime);
if (_parms.Play.PlayParms.PEndTime != IntPtr.Zero)
Marshal.FreeHGlobal(_parms.Play.PlayParms.PEndTime);
return sts; // any play error makes its way back via the callback
}
private mmStatus openSesssion(mmSessionDictionaryKeys flags, IntPtr lpData)
{
if (_hSession != IntPtr.Zero)
return mmStatus.MM_STS_LIB_ERROR_INVALID_STATE;
if (lpData != IntPtr.Zero) // else a re-connect on error case using existing params
{
_parms.Open.OpenParms = (MM_CLIENT_OPEN)Marshal.PtrToStructure(lpData, typeof(MM_CLIENT_OPEN));
if (_parms.Open.OpenParms.Size == (Marshal.SizeOf(typeof(MM_CLIENT_OPEN))))
{
_parms.Open.URL = MMInterop.PtrToString(lpData + Marshal.SizeOf(typeof(MM_CLIENT_OPEN)));
_parms.Open.UserName = MMInterop.PtrToString(lpData + Marshal.SizeOf(typeof(MM_CLIENT_OPEN)) + (2 * (_parms.Open.URL.Length + 1)));
_parms.Open.PassWord = MMInterop.PtrToString(lpData + Marshal.SizeOf(typeof(MM_CLIENT_OPEN)) + (2 * ((_parms.Open.URL.Length + 1) + (_parms.Open.UserName.Length + 1))));
}
else
return mmStatus.MM_STS_SRC_ERROR_INCOMPATIBLE_API;
}
string basicAuth = _parms.Open.URL;
if( (uint)flags != 0x80000000) // playlist case
_windowParent.LockPaintSessionStatus("Opening URL: " + _parms.Open.URL);
_windowParent.LockSetSessionWindowText(_parms.Open.URL);
if (!string.IsNullOrEmpty(_parms.Open.UserName))
{
var index = _parms.Open.URL.IndexOf("://");
if (index != -1)
basicAuth = basicAuth.Insert(index + 3, _parms.Open.UserName + ":" + _parms.Open.PassWord + "@");
}
_parms.Open.OpenParms.HWnd = _windowParent.GetHWND();
// account for UTF8 encoded data
int len = Encoding.UTF8.GetByteCount(basicAuth);
byte[] utf8Bytes = new byte[len + 1];
Encoding.UTF8.GetBytes(basicAuth, 0, basicAuth.Length, utf8Bytes, 0);
_parms.Open.OpenParms.PURL = Marshal.AllocHGlobal(utf8Bytes.Length);
Marshal.Copy(utf8Bytes, 0, _parms.Open.OpenParms.PURL, utf8Bytes.Length);
if (_parms.Open.Reserved != 0)
{
_parms.Open.OpenParms.PReserved = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(IntPtr)));
Marshal.WriteInt32(_parms.Open.OpenParms.PReserved, 0, ((int)_parms.Open.Reserved));
}
else
_parms.Open.OpenParms.PReserved = IntPtr.Zero;
mmStatus sts = mmMethods.mmClientOpen(out _hSession, ref _parms.Open.OpenParms);
if (sts != mmStatus.MM_STS_NONE)
{
_windowParent.LockPaintSessionStatus($"STATUS 0x{sts:X} Opening URL: " + _parms.Open.URL);
_windowParent._watchDog.Enabled = true;
// start a fresh
_parms.Play.StartTime = null;
_parms.Play.EndTime = null;
}
else
_windowParent.LockPaintSessionStatus("");
if (_parms.Open.OpenParms.PReserved != IntPtr.Zero)
Marshal.FreeHGlobal(_parms.Open.OpenParms.PReserved);
Marshal.FreeHGlobal(_parms.Open.OpenParms.PURL);
return sts;
}