/// <summary>
/// Returns a list of video filters that are available.
/// </summary>
public List <ModuleDescription> GetVideoFilterList()
{
using (var list = new ModuleDescriptionList(LibVlcManager
.GetFunctionDelegate <libvlc_video_filter_list_get>().Invoke(InstancePointer)))
{
return(new List <ModuleDescription>(list));
}
}
/// <summary>
/// Try to start a user interface for the libvlc instance.
/// </summary>
/// <param name="name">interface name, or NULL for default</param>
/// <returns>true on success, false on error.</returns>
public bool AddInterface(string name)
{
using (var handle = new StringHandle(name))
{
return(LibVlcManager.GetFunctionDelegate <libvlc_add_intf>()
.Invoke(InstancePointer, handle.UnsafePointer) == 0);
}
}
/// <summary>
/// Sets the application name. LibVLC passes this as the user agent string when a protocol requires it.
/// </summary>
/// <param name="name">human-readable application name, e.g. "FooBar player 1.2.3"</param>
/// <param name="http">HTTP User Agent, e.g. "FooBar/1.2.3 Python/2.6.0"</param>
public void SetUserAgent(string name, string http)
{
using (var nameHandle = new StringHandle(name))
{
using (var httpHandle = new StringHandle(http))
{
LibVlcManager.GetFunctionDelegate <libvlc_set_user_agent>().Invoke(InstancePointer,
nameHandle.UnsafePointer, httpHandle.UnsafePointer);
}
}
}
/// <summary>
/// Deattach a event with a callback.
/// </summary>
/// <param name="type">event type</param>
public void Detach(EventType type)
{
if (!_attachedEvents.Contains(type))
{
return;
}
_attachedEvents.Remove(type);
LibVlcManager.GetFunctionDelegate <libvlc_event_detach>()
.Invoke(InstancePointer, (libvlc_event_e)type, _onVlcEventFired, null);
}
public void Dispose()
{
if (_pointer == IntPtr.Zero)
{
return;
}
LibVlcManager.ReleaseAudioDeviceList(_pointer);
_pointer = IntPtr.Zero;
_list.Clear();
}
public void Dispose()
{
if (_pointer == IntPtr.Zero)
{
return;
}
LibVlcManager.ReleaseTrackDescriptionList(_pointer);
_pointer = IntPtr.Zero;
_list.Clear();
}
protected void Dispose(bool disposing)
{
if (_disposed)
{
return;
}
LibVlcManager.GetFunctionDelegate <libvlc_audio_equalizer_release>().Invoke(InstancePointer);
InstancePointer = null;
_disposed = true;
}
protected void Dispose(bool disposing)
{
if (_disposed)
{
return;
}
_onExitHandle.Free();
VlcObjectManager.Remove(this);
LibVlcManager.GetFunctionDelegate <libvlc_release>().Invoke(InstancePointer);
InstancePointer = null;
_disposed = true;
}
/// <summary>
/// Sets some meta-information about the application.
/// </summary>
/// <param name="id">Java-style application identifier, e.g. "com.acme.foobar"</param>
/// <param name="version">application version numbers, e.g. "1.2.3"</param>
/// <param name="icon">application icon name, e.g. "foobar"</param>
public void SetAppId(string id, string version, string icon)
{
using (var idHandle = new StringHandle(id))
{
using (var versionHandle = new StringHandle(version))
{
using (var iconHandle = new StringHandle(icon))
{
LibVlcManager.GetFunctionDelegate <libvlc_set_app_id>().Invoke(InstancePointer,
idHandle.UnsafePointer, versionHandle.UnsafePointer, iconHandle.UnsafePointer);
}
}
}
}
/// <summary>
/// 获取媒体的基本流的描述,注意,在调用该方法之前你需要首先调用 <see cref="ParseMedia" /> 方法,或者至少播放一次.
/// 否则,你将的得到一个空数组
/// </summary>
/// <returns>一个 <see cref="MediaTrackInfo" /> 数组</returns>
public MediaTrackInfo[] GetTrackInfo()
{
IntPtr pointer;
var count = _getTracksInfoFunction.Delegate(InstancePointer, out pointer);
var result = new MediaTrackInfo[count];
var temp = pointer;
for (var i = 0; i < count; i++)
{
result[i] = (MediaTrackInfo)Marshal.PtrToStructure(temp, typeof(MediaTrackInfo));
temp = (IntPtr)((int)temp + Marshal.SizeOf(typeof(MediaTrackInfo)));
}
LibVlcManager.Free(pointer);
return(result);
}
/// <summary>
/// Create a Vlc instance by options.
/// </summary>
/// <param name="argv"></param>
/// <exception cref="VlcCreateFailException">Can't create a Vlc instence, check your Vlc options.</exception>
/// <exception cref="Exception">A delegate callback throws an exception.</exception>
public Vlc(string[] argv)
{
InstancePointer = argv == null
? LibVlcManager.GetFunctionDelegate <libvlc_new>().Invoke(0, IntPtr.Zero)
: LibVlcManager.GetFunctionDelegate <libvlc_new>()
.Invoke(argv.Length, InteropHelper.StringArrayToPtr(argv));
if (InstancePointer == null)
{
throw new VlcCreateFailException(VlcError.GetErrorMessage());
}
ExitHandler onExit = OnExit;
_onExitHandle = GCHandle.Alloc(onExit);
LibVlcManager.GetFunctionDelegate <libvlc_set_exit_handler>().Invoke(InstancePointer, onExit, null);
VlcObjectManager.Add(this);
}
private VlcMedia(IVlcObject parentVlcObject, void *pointer)
{
VlcInstance = parentVlcObject.VlcInstance;
InstancePointer = pointer;
VlcObjectManager.Add(this);
EventManager = new VlcEventManager(this,
LibVlcManager.GetFunctionDelegate <libvlc_media_event_manager>().Invoke(InstancePointer));
EventManager.Attach(EventType.MediaMetaChanged);
EventManager.Attach(EventType.MediaSubItemAdded);
EventManager.Attach(EventType.MediaDurationChanged);
EventManager.Attach(EventType.MediaParsedChanged);
EventManager.Attach(EventType.MediaFreed);
EventManager.Attach(EventType.MediaStateChanged);
EventManager.Attach(EventType.MediaSubItemTreeAdded);
EventManager.VlcEventFired += OnVlcEventFired;
}
private VlcMediaPlayer(IVlcObject parentVlcObject, void* pointer)
{
VlcInstance = parentVlcObject.VlcInstance;
InstancePointer = pointer;
VlcObjectManager.Add(this);
EventManager = new VlcEventManager(this,
LibVlcManager.GetFunctionDelegate<libvlc_media_player_event_manager>().Invoke(InstancePointer));
EventManager.Attach(EventType.MediaPlayerPlaying);
EventManager.Attach(EventType.MediaPlayerPaused);
EventManager.Attach(EventType.MediaPlayerOpening);
EventManager.Attach(EventType.MediaPlayerBuffering);
EventManager.Attach(EventType.MediaPlayerStopped);
EventManager.Attach(EventType.MediaPlayerForward);
EventManager.Attach(EventType.MediaPlayerBackward);
EventManager.Attach(EventType.MediaPlayerEndReached);
EventManager.Attach(EventType.MediaPlayerMediaChanged);
EventManager.Attach(EventType.MediaPlayerNothingSpecial);
EventManager.Attach(EventType.MediaPlayerPausableChanged);
EventManager.Attach(EventType.MediaPlayerPositionChanged);
EventManager.Attach(EventType.MediaPlayerSeekableChanged);
EventManager.Attach(EventType.MediaPlayerSnapshotTaken);
EventManager.Attach(EventType.MediaPlayerTimeChanged);
EventManager.Attach(EventType.MediaPlayerTitleChanged);
EventManager.Attach(EventType.MediaPlayerLengthChanged);
EventManager.Attach(EventType.MediaPlayerEncounteredError);
EventManager.Attach(EventType.MediaPlayerVout);
EventManager.Attach(EventType.MediaPlayerScrambledChanged);
EventManager.Attach(EventType.MediaPlayerESAdded);
EventManager.Attach(EventType.MediaPlayerESDeleted);
EventManager.Attach(EventType.MediaPlayerESSelected);
EventManager.Attach(EventType.MediaPlayerCorked);
EventManager.Attach(EventType.MediaPlayerUncorked);
EventManager.Attach(EventType.MediaPlayerMuted);
EventManager.Attach(EventType.MediaPlayerUnmuted);
EventManager.Attach(EventType.MediaPlayerAudioVolume);
EventManager.Attach(EventType.MediaPlayerAudioDevice);
EventManager.Attach(EventType.MediaPlayerChapterChanged);
EventManager.VlcEventFired += OnVlcEventFired;
}
/// <summary>
/// Create a list of media track from a pointer of array.
/// </summary>
/// <param name="pointer">pointer of media track array</param>
/// <param name="count">count of media track array</param>
public MediaTrackList(IntPtr pointer, uint count)
{
_list = new List <MediaTrack>();
if (pointer == IntPtr.Zero)
{
return;
}
var tmp = pointer;
for (var i = 0; i < count; i++)
{
var p = Marshal.ReadIntPtr(tmp);
_list.Add(MediaTrack.CreateFromPointer(p));
tmp = (IntPtr)((Int64)tmp + IntPtr.Size);
}
LibVlcManager.ReleaseTracks(pointer, count);
}
/// <summary>
/// Convert a pointer of string to manmaged <see cref="String" />.
/// </summary>
/// <param name="ptr">pointer of string</param>
/// <param name="count">count of string, -1 mean auto check the end char</param>
/// <param name="toBeFree">free this pointer when convert over</param>
/// <param name="encoding">encoding of string</param>
/// <returns>result string</returns>
public static string PtrToString(IntPtr ptr, int count = -1, bool toBeFree = false, Encoding encoding = null)
{
if (ptr == IntPtr.Zero)
{
return(null);
}
if (encoding == null)
{
encoding = Encoding.UTF8;
}
var buffer = new List <byte>(1024);
if (count == -1)
{
var offset = 0;
var tmp = Marshal.ReadByte(ptr, offset);
while (tmp != 0)
{
buffer.Add(tmp);
offset++;
tmp = Marshal.ReadByte(ptr, offset);
}
}
else
{
byte tmp = 0;
for (var i = 0; i < count; i++)
{
tmp = Marshal.ReadByte(ptr, i);
buffer.Add(tmp);
}
}
if (toBeFree)
{
LibVlcManager.Free(ptr.ToPointer());
}
return(encoding.GetString(buffer.ToArray()));
}
/// <summary>
/// Release this event manager.
/// </summary>
/// <exception cref="Exception">A delegate callback throws an exception.</exception>
public void Dispose()
{
HandleManager.Remove(this);
LibVlcManager.Free(InstancePointer);
InstancePointer = IntPtr.Zero;
}
protected override void Release(void **data)
{
LibVlcManager.GetFunctionDelegate <libvlc_media_tracks_release>()
.Invoke((libvlc_media_track_t **)data, (uint)Count);
}
protected override void Release(void **data)
{
LibVlcManager.GetFunctionDelegate <libvlc_free>().Invoke(data);
}
protected override void Release(void *data)
{
LibVlcManager.GetFunctionDelegate <libvlc_audio_output_device_list_release>()
.Invoke((libvlc_audio_output_device_t *)data);
}
/// <summary>
/// Clear error message of current thread.
/// </summary>
/// <exception cref="Exception">A delegate callback throws an exception.</exception>
public static void CleanError()
{
LibVlcManager.GetFunctionDelegate <libvlc_clearerr>().Invoke();
}
/// <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(LibVlcManager.GetFunctionDelegate <libvlc_errmsg>().Invoke()));
}
protected override void Release(void *data)
{
LibVlcManager.GetFunctionDelegate <libvlc_module_description_list_release>()
.Invoke((libvlc_module_description_t *)data);
}
/// <summary>
/// Get event type name.
/// </summary>
/// <param name="type"></param>
/// <returns></returns>
public static string GetEventTypeName(EventType type)
{
return(InteropHelper.PtrToString(LibVlcManager.GetFunctionDelegate <libvlc_event_type_name>()
.Invoke((libvlc_event_e)type)));
}
/// <summary>
/// Create a new default equalizer, with all frequency values zeroed.
/// </summary>
public AudioEqualizer()
{
InstancePointer = LibVlcManager.GetFunctionDelegate <libvlc_audio_equalizer_new>().Invoke();
}
/// <summary>
/// Create a new equalizer, with initial frequency values copied from an existing preset.
/// </summary>
/// <param name="index"></param>
public AudioEqualizer(uint index)
{
InstancePointer = LibVlcManager.GetFunctionDelegate <libvlc_audio_equalizer_new_from_preset>().Invoke(index);
}
