private void OnLogInternal(IntPtr data, VlcLogLevel level, IntPtr ctx, string format, IntPtr args)
{
if (this._log != null)
{
// Original source for va_list handling: https://stackoverflow.com/a/37629480/2663813
var byteLength = Win32Interops._vscprintf(format, args) + 1;
var utf8Buffer = Marshal.AllocHGlobal(byteLength);
string formattedDecodedMessage;
try {
Win32Interops.vsprintf(utf8Buffer, format, args);
formattedDecodedMessage = Utf8InteropStringConverter.Utf8InteropToString(utf8Buffer);
}
finally
{
Marshal.FreeHGlobal(utf8Buffer);
}
string module;
string file;
uint? line;
this.Manager.GetLogContext(ctx, out module, out file, out line);
// Do the notification on another thread, so that VLC is not interrupted by the logging
#if NETSTANDARD1_3
Task.Run(() => this._log(this.myMediaPlayerInstance, new VlcMediaPlayerLogEventArgs(level, formattedDecodedMessage, module, file, line)));
#else
ThreadPool.QueueUserWorkItem(eventArgs =>
{
this._log(this.myMediaPlayerInstance, (VlcMediaPlayerLogEventArgs)eventArgs);
}, new VlcMediaPlayerLogEventArgs(level, formattedDecodedMessage, module, file, line));
#endif
}
}
private void OnLogInternal(IntPtr data, VlcLogLevel level, IntPtr ctx, string format, IntPtr args)
{
if (this._log != null)
{
// Original source for va_list handling: https://stackoverflow.com/a/37629480/2663813
var byteLength = Win32Interops._vscprintf(format, args) + 1;
var utf8Buffer = Marshal.AllocHGlobal(byteLength);
string formattedDecodedMessage;
try {
Win32Interops.vsprintf(utf8Buffer, format, args);
//Yeah, ok the message is formatted, but it's an UTF-8 string treated as ASCII inside an UTF-16 string. Do the conversion
var sbDecoded = new StringBuilder(Win32Interops.MultiByteToWideChar(Win32Interops.CP_UTF8, 0, utf8Buffer, byteLength, null, 0));
Win32Interops.MultiByteToWideChar(Win32Interops.CP_UTF8, 0, utf8Buffer, byteLength, sbDecoded, sbDecoded.Capacity);
formattedDecodedMessage = sbDecoded.ToString();
}
finally
{
Marshal.FreeHGlobal(utf8Buffer);
}
string module;
string file;
uint? line;
this.Manager.GetLogContext(ctx, out module, out file, out line);
// Do the notification on another thread, so that VLC is not interrupted by the logging
ThreadPool.QueueUserWorkItem(eventArgs =>
{
this._log(this.myMediaPlayerInstance, (VlcMediaPlayerLogEventArgs)eventArgs);
}, new VlcMediaPlayerLogEventArgs(level, formattedDecodedMessage, module, file, line));
}
}
static internal T CppFunction <T>()
{
string sCppFunctionName = null;
try
{
object[] aAttrs = typeof(T).GetCustomAttributes(typeof(CppFunctionAttribute), false);
if (aAttrs.Length == 0)
{
throw new Exception("Could not find the AjaFunctionAttribute.");
}
CppFunctionAttribute cAjaAttr = (CppFunctionAttribute)aAttrs[0];
sCppFunctionName = cAjaAttr.sFunctionName;
if (!_ahCppFunctionsUsed.ContainsKey(sCppFunctionName))
{
IntPtr pFuncAddress = Win32Interops.GetProcAddress(_pWrapperDllHandler, cAjaAttr.sFunctionName);
if (pFuncAddress == IntPtr.Zero)
{
throw new System.ComponentModel.Win32Exception();
}
Delegate dFunctionPointer = Marshal.GetDelegateForFunctionPointer(pFuncAddress, typeof(T));
_ahCppFunctionsUsed.Add(cAjaAttr.sFunctionName, dFunctionPointer);
}
return((T)Convert.ChangeType(_ahCppFunctionsUsed[cAjaAttr.sFunctionName], typeof(T), null));
}
catch (System.ComponentModel.Win32Exception e)
{
throw new MissingMethodException(String.Format("Function " + sCppFunctionName + " was not found in aja dll."), e);
}
}
protected override void DestroyWindowCore(HandleRef hwnd)
{
if (MediaPlayer == null)
{
return;
}
Win32Interops.SetParent(IntPtr.Zero, hwnd.Handle);
MediaPlayer.Dispose();
MediaPlayer = null;
}
static Ebur128CppInterop()
{
string sAssemblyPath = typeof(Ebur128CppInterop).Assembly.Location;
string sAssemblyDir = System.IO.Path.GetDirectoryName(sAssemblyPath);
(new Logger()).WriteNotice("Ebur128CppInterop's assembly path = " + sAssemblyPath); //.GetExecutingAssembly()
string sDll = System.IO.Path.Combine(sAssemblyDir, "EBUR128_x64_Debug.dll");
(new Logger()).WriteNotice(sDll + " found [" + System.IO.File.Exists(sDll) + "]");
_pWrapperDllHandler = Win32Interops.LoadLibrary(sDll); //Win32Project1 // can be a full path
if (_pWrapperDllHandler == IntPtr.Zero)
{
(new Logger()).WriteNotice("kernel32 GetLastError = [" + Win32Interops.GetLastError() + "] [dll = " + sDll + "]");
sDll = System.IO.Path.Combine(sAssemblyDir, "EBUR128_x64_Release.dll");
(new Logger()).WriteNotice(sDll + " found [" + System.IO.File.Exists(sDll) + "]");
_pWrapperDllHandler = Win32Interops.LoadLibrary(sDll); //Win32Project1 // can be a full path
if (_pWrapperDllHandler == IntPtr.Zero)
{
(new Logger()).WriteNotice("kernel32 GetLastError = [" + Win32Interops.GetLastError() + "] [dll = " + sDll + "]");
throw new System.ComponentModel.Win32Exception($"dll library was not found or cannot be loaded [{sDll}]");
}
}
_ahCppFunctionsUsed = new Dictionary <string, Delegate>();
}
protected override HandleRef BuildWindowCore(HandleRef hwndParent)
{
Win32Interops.SetParent(MediaPlayer.Handle, hwndParent.Handle);
return(new HandleRef(this, MediaPlayer.Handle));
}
