public bool StartAudio(string filename, bool loop)
{
Filename = filename;
Width = Height = 0;
if (!string.IsNullOrEmpty(Filename))
{
if (_movieHandle < 0)
{
_movieHandle = AVProWindowsMediaPlugin.GetInstanceHandle();
}
if (_formatConverter != null)
{
_formatConverter.Dispose();
_formatConverter = null;
}
// Note: we're marshaling the string to IntPtr as the pointer of type wchar_t
System.IntPtr filenamePtr = Marshal.StringToHGlobalUni(Filename);
if (AVProWindowsMediaPlugin.LoadAudio(_movieHandle, filenamePtr, loop))
{
Volume = _volume;
DurationSeconds = AVProWindowsMediaPlugin.GetDurationSeconds(_movieHandle);
Debug.Log("[AVProWindowsMedia] Loaded audio " + Filename + " " + DurationSeconds.ToString("F2") + " sec");
}
else
{
Debug.LogWarning("[AVProWindowsMedia] Movie failed to load");
Close();
}
Marshal.FreeHGlobal(filenamePtr);
}
else
{
Debug.LogWarning("[AVProWindowsMedia] No movie file specified");
Close();
}
return(_movieHandle >= 0);
}