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; }