/// <summary>
/// Create a <see cref="FunctionNotFoundException" /> with function's infomation, LibVlc's version and a inner
/// exception.
/// </summary>
/// <param name="functionInfo">infomation of function</param>
/// <param name="libvlcVersion">version of LibVlc</param>
/// <param name="innerException">inner exception</param>
public FunctionNotFoundException(LibVlcFunctionAttribute functionInfo, LibVlcVersion libvlcVersion,
Exception innerException)
: base(String.Format("Can't find function \"{0}\" in dll.", functionInfo.FunctionName), innerException)
{
FunctionInfomation = functionInfo;
LibVlcVersion = libvlcVersion;
}
/// <summary>
/// Create a <see cref="FunctionNotAvailableException" /> with function's infomation and LibVlc's version.
/// </summary>
/// <param name="functionInfo">infomation of function</param>
/// <param name="libvlcVersion">version of LibVlc</param>
public FunctionNotAvailableException(LibVlcFunctionAttribute functionInfo, LibVlcVersion libvlcVersion)
: base(
String.Format("Function \"{0}\" isn't available on current version LibVlc.", functionInfo.FunctionName))
{
FunctionInfomation = functionInfo;
LibVlcVersion = libvlcVersion;
}
/// <summary>
/// Load LibVlc dlls, and mapping all function.
/// </summary>
/// <param name="libVlcDirectory">directory of LibVlc</param>
/// <exception cref="LibVlcLoadLibraryException">
/// Can't load LibVlc dlls, check the platform and LibVlc target platform
/// (should be same, x86 or x64).
/// </exception>
/// <exception cref="TypeLoadException">A custom attribute type cannot be loaded. </exception>
/// <exception cref="NoLibVlcFunctionAttributeException">
/// For LibVlcFunction, need LibVlcFunctionAttribute to get Infomation
/// of function.
/// </exception>
/// <exception cref="FunctionNotFoundException">Can't find function in dll.</exception>
/// <exception cref="VersionStringParseException">Can't parse libvlc version string, it must like "2.2.0-Meta Weatherwax".</exception>
/// <exception cref="OverflowException">
/// At least one component of version represents a number greater than
/// <see cref="F:System.Int32.MaxValue" />.
/// </exception>
public static void LoadLibVlc(string libVlcDirectory = null)
{
if (IsLibLoaded)
{
return;
}
LibVlcDirectory = libVlcDirectory == null ? "" : libVlcDirectory;
try
{
var libcore = new FileInfo(Path.Combine(LibVlcDirectory, "libvlccore.dll"));
var libvlc = new FileInfo(Path.Combine(LibVlcDirectory, "libvlc.dll"));
LibVlcVCoreHandle = Win32Api.LoadLibrary(libcore.FullName);
LibVlcHandle = Win32Api.LoadLibrary(libvlc.FullName);
}
catch (Win32Exception e)
{
throw new LibVlcLoadLibraryException(e);
}
_getVersionFunction = new LibVlcFunction <libvlc_get_version>(LibVlcHandle, null);
_getCompilerFunction = new LibVlcFunction <libvlc_get_compiler>(LibVlcHandle, null);
_getChangeSetFunction = new LibVlcFunction <libvlc_get_changeset>(LibVlcHandle, null);
_freeFunction = new LibVlcFunction <libvlc_free>(LibVlcHandle, null);
LibVlcVersion = new LibVlcVersion(GetVersion());
var functionArgs = new object[] { LibVlcHandle, LibVlcVersion };
foreach (var type in Assembly.GetExecutingAssembly().GetTypes())
{
var attrs = type.GetCustomAttributes(typeof(LibVlcFunctionAttribute), false);
if (attrs.Length == 0)
{
continue;
}
var functionType = typeof(LibVlcFunction <>).MakeGenericType(type);
var function = Activator.CreateInstance(functionType, functionArgs);
_cache.Add(type, function);
}
}
/// <summary>
/// Load LibVlc dlls, and mapping all function.
/// </summary>
/// <param name="libVlcDirectory">directory of LibVlc</param>
/// <exception cref="LibVlcLoadLibraryException">
/// Can't load LibVlc dlls, check the platform and LibVlc target platform
/// (should be same, x86 or x64).
/// </exception>
/// <exception cref="TypeLoadException">A custom attribute type cannot be loaded. </exception>
/// <exception cref="NoLibVlcFunctionAttributeException">
/// For LibVlcFunction, need LibVlcFunctionAttribute to get Infomation
/// of function.
/// </exception>
/// <exception cref="FunctionNotFoundException">Can't find function in dll.</exception>
/// <exception cref="VersionStringParseException">Can't parse libvlc version string, it must like "2.2.0-xZune Weatherwax".</exception>
/// <exception cref="OverflowException">
/// At least one component of version represents a number greater than
/// <see cref="F:System.Int32.MaxValue" />.
/// </exception>
public static void LoadLibVlc(String libVlcDirectory = null)
{
LibVlcDirectory = libVlcDirectory == null ? "" : libVlcDirectory;
if (IsLibLoaded)
{
return;
}
try
{
FileInfo libcore = new FileInfo(Path.Combine(LibVlcDirectory, "libvlccore.dll"));
FileInfo libvlc = new FileInfo(Path.Combine(LibVlcDirectory, "libvlc.dll"));
LibVlcVCoreHandle = Win32Api.LoadLibrary(libcore.FullName);
LibVlcHandle = Win32Api.LoadLibrary(libvlc.FullName);
}
catch (Win32Exception e)
{
throw new LibVlcLoadLibraryException(e);
}
_getVersionFunction = new LibVlcFunction <GetVersion>();
LibVlcVersion = new LibVlcVersion(GetVersion());
_getCompilerFunction = new LibVlcFunction <GetCompiler>();
_getChangesetFunction = new LibVlcFunction <GetChangeset>();
_freeFunction = new LibVlcFunction <Free>();
_releaseLibVlcModuleDescriptionFunction = new LibVlcFunction <ReleaseLibVlcModuleDescription>();
_releaseAudioOutputListFunction = new LibVlcFunction <ReleaseAudioOutputList>();
_releaseAudioDeviceListFunction = new LibVlcFunction <ReleaseAudioDeviceList>();
_releaseTrackDescriptionFunction = new LibVlcFunction <ReleaseTrackDescription>();
_releaseTracksFunction = new LibVlcFunction <ReleaseTracks>();
Vlc.LoadLibVlc();
VlcError.LoadLibVlc();
VlcEventManager.LoadLibVlc();
VlcMedia.LoadLibVlc();
VlcMediaPlayer.LoadLibVlc();
AudioEqualizer.LoadLibVlc();
}
/// <summary>
/// Create a <see cref="FunctionNotFoundException" /> with function's infomation and LibVlc's version.
/// </summary>
/// <param name="functionInfo">infomation of function</param>
/// <param name="libvlcVersion">version of LibVlc</param>
public FunctionNotFoundException(LibVlcFunctionAttribute functionInfo, LibVlcVersion libvlcVersion)
: this(functionInfo, libvlcVersion, null)
{
}
