protected override void Initialize(Interop.Media.MediaTrack mediaTrack)
{
base.Initialize(mediaTrack);
var subtitleTrack =
(Interop.Media.SubtitleTrack)Marshal.PtrToStructure(Track, typeof(Interop.Media.SubtitleTrack));
Encoding = InteropHelper.PtrToString(subtitleTrack.Encoding);
}
public String VlmGetInfomation(String name)
{
var nameHandle = InteropHelper.StringToPtr(name);
var result = _returnJsonMessageFunction.Delegate(InstancePointer, nameHandle.AddrOfPinnedObject());
nameHandle.Free();
return(InteropHelper.PtrToString(result));
}
internal TrackDescription(IntPtr pointer)
{
_pointer = pointer;
if (pointer != IntPtr.Zero)
{
Struct =
(Interop.MediaPlayer.TrackDescription)
Marshal.PtrToStructure(pointer, typeof(Interop.MediaPlayer.TrackDescription));
Name = InteropHelper.PtrToString(Struct.Name);
Id = Struct.Id;
}
}
internal AudioDevice(IntPtr pointer)
{
_pointer = pointer;
if (pointer != IntPtr.Zero)
{
_struct =
(Interop.MediaPlayer.AudioDevice)
Marshal.PtrToStructure(pointer, typeof(Interop.MediaPlayer.AudioDevice));
Device = InteropHelper.PtrToString(_struct.Device);
Description = InteropHelper.PtrToString(_struct.Description);
}
}
protected virtual void Initialize(Interop.Media.MediaTrack mediaTrack)
{
Codec = mediaTrack.Codec;
OriginalFourcc = mediaTrack.OriginalFourcc;
Id = mediaTrack.Id;
Type = mediaTrack.Type;
Profile = mediaTrack.Profile;
Level = mediaTrack.Level;
Bitrate = mediaTrack.Bitrate;
Language = InteropHelper.PtrToString(mediaTrack.Language);
Description = InteropHelper.PtrToString(mediaTrack.Description);
Track = mediaTrack.Track;
}
internal ModuleDescription(IntPtr pointer)
{
_pointer = pointer;
if (pointer != IntPtr.Zero)
{
_struct =
(Interop.Core.ModuleDescription)
Marshal.PtrToStructure(pointer, typeof(Interop.Core.ModuleDescription));
Name = InteropHelper.PtrToString(_struct.Name);
ShortName = InteropHelper.PtrToString(_struct.ShortName);
LongName = InteropHelper.PtrToString(_struct.LongName);
Help = InteropHelper.PtrToString(_struct.Help);
}
}
/// <summary>
/// 使用已经设定好的路径,载入 LibVlc
/// </summary>
public static void LoadLibVlc()
{
if (!IsLibLoaded)
{
try
{
FileInfo libcore = new FileInfo(Path.Combine(LibDirectory, @"libvlccore.dll"));
FileInfo libvlc = new FileInfo(Path.Combine(LibDirectory, @"libvlc.dll"));
LibCoreHandle = Win32Api.LoadLibrary(libcore.FullName);
LibHandle = Win32Api.LoadLibrary(libvlc.FullName);
}
catch (Win32Exception e)
{
throw new Exception("无法载入 LibVlc 库", e);
}
_getVersionFunction = new LibVlcFunction <GetVersion>(LibHandle);
var versionString = InteropHelper.PtrToString(_getVersionFunction.Delegate());
var match = Regex.Match(versionString, "^[0-9.]*");
if (match.Success)
{
LibVersion = new Version(match.Groups[0].Value);
}
var devString = LibDev = versionString.Split(' ', '-')[1];
_newInstanceFunction = new LibVlcFunction <NewInstance>(LibHandle, LibVersion, devString);
_releaseInstanceFunction = new LibVlcFunction <ReleaseInstance>(LibHandle, LibVersion, devString);
_retainInstanceFunction = new LibVlcFunction <RetainInstance>(LibHandle, LibVersion, devString);
_addInterfaceFunction = new LibVlcFunction <AddInterface>(LibHandle, LibVersion, devString);
_setExitHandlerFunction = new LibVlcFunction <SetExitHandler>(LibHandle, LibVersion, devString);
_waitFunction = new LibVlcFunction <Wait>(LibHandle, LibVersion, devString);
_setUserAgentFunction = new LibVlcFunction <SetUserAgent>(LibHandle, LibVersion, devString);
_setAppIdFunction = new LibVlcFunction <SetAppId>(LibHandle, LibVersion, devString);
_getCompilerFunction = new LibVlcFunction <GetCompiler>(LibHandle, LibVersion, devString);
_getChangesetFunction = new LibVlcFunction <GetChangeset>(LibHandle, LibVersion, devString);
_freeFunction = new LibVlcFunction <Free>(LibHandle, LibVersion, devString);
_releaseLibVlcModuleDescriptionFunction = new LibVlcFunction <ReleaseLibVlcModuleDescription>(LibHandle, LibVersion, devString);
_getAudioFilterListFunction = new LibVlcFunction <GetAudioFilterList>(LibHandle, LibVersion, devString);
_getVideoFilterListFunction = new LibVlcFunction <GetVideoFilterList>(LibHandle, LibVersion, devString);
VlcError.LoadLibVlc(LibHandle, LibVersion, devString);
VlcEventManager.LoadLibVlc(LibHandle, LibVersion, devString);
VlcMedia.LoadLibVlc(LibHandle, LibVersion, devString);
VlcMediaPlayer.LoadLibVlc(LibHandle, LibVersion, devString);
IsLibLoaded = true;
}
}
/// <summary>
/// 获取 LibVlc 的变更集(?)
/// </summary>
public static String GetChangeset()
{
return(InteropHelper.PtrToString(GetChangesetFunction.Delegate()));
}
/// <summary>
/// 获取 LibVlc 的编译器信息
/// </summary>
public static String GetCompiler()
{
return(InteropHelper.PtrToString(GetCompilerFunction.Delegate()));
}
/// <summary>
/// 获取 LibVlc 的版本信息
/// </summary>
/// <returns></returns>
public static String GetVersion()
{
return(InteropHelper.PtrToString(GetVersionFunction.Delegate()));
}
/// <summary>
/// 获取媒体的某个元属性,如果尚未解析元属性,将会返回 NULL.
/// 这个方法会自动调用 <see cref="ParseMediaAsync"/> 方法,所以你在之后应该会收到一个 MediaMetaChanged 事件.
/// 如果你喜欢同步版本,可以在 GetMeta 之前调用 <see cref="ParseMedia"/> 方法
/// </summary>
/// <param name="type">元属性类型</param>
/// <returns>返回媒体的某个元属性</returns>
public String GetMeta(MetaDataType type)
{
return(InteropHelper.PtrToString(_getMetaFunction.Delegate(InstancePointer, type)));
}
/// <summary>
/// 获取媒体的基本编码器的说明
/// </summary>
/// <param name="type">由 <see cref="MediaTrack.Type"/> 得来</param>
/// <param name="codec">由 <see cref="MediaTrack.Codec"/> 得来</param>
/// <returns>返回媒体的基本编码器的说明</returns>
public static String GetCodecDescription(TrackType type, int codec)
{
return(InteropHelper.PtrToString(_getCodecDescriptionFunction.Delegate(type, codec)));
}
/// <summary>
/// Get the name of a particular equalizer preset.
/// </summary>
/// <param name="index"></param>
/// <returns></returns>
public static String GetPresetEqualizerName(uint index)
{
return(InteropHelper.PtrToString(_getEqualizerPresetNameFunction.Delegate(index)));
}
/// <summary>
/// Get a readable error message.
/// </summary>
/// <returns>return a readable LibVlc error message, if there are no error will return <see cref="null" /></returns>
/// <exception cref="Exception">A delegate callback throws an exception.</exception>
public static String GetErrorMessage()
{
return(InteropHelper.PtrToString(_errorMessageFunction.Delegate()));
}
public static String GetEventTypeName(EventTypes type)
{
return(InteropHelper.PtrToString(GetTypeNameFunction.Delegate(type)));
}
/// <summary>
/// Get the current audio output device identifier.
/// </summary>
public String GetAudioDevice()
{
return(InteropHelper.PtrToString(_getAudioDeviceFunction.Delegate(InstancePointer)));
}