/// <summary>
/// 设置媒体的元数据
/// </summary>
/// <param name="type">元数据类型</param>
/// <param name="data">元数据值</param>
public void SetMeta(MetaDataType type, String data)
{
GCHandle handle = GCHandle.Alloc(Encoding.UTF8.GetBytes(data), GCHandleType.Pinned);
_setMetaFunction.Delegate(InstancePointer, type, handle.AddrOfPinnedObject());
handle.Free();
}
/// <summary>
/// 向一个媒体添加选项,这个选项将会确定媒体播放器将如何读取介质,
/// </summary>
/// <param name="options"></param>
public void AddOption(params String[] options)
{
GCHandle handle = GCHandle.Alloc(Encoding.UTF8.GetBytes(String.Join(" ", options)), GCHandleType.Pinned);
_addOptionFunction.Delegate(InstancePointer, handle.AddrOfPinnedObject());
handle.Free();
}
/// <summary>
/// 向一个媒体通过可配置的标志添加一个选项,这个选项将会确定媒体播放器将如何读取介质,
/// </summary>
/// <param name="options"></param>
/// <param name="flag"></param>
public void AddOptionFlag(String options, MediaOption flag)
{
GCHandle handle = GCHandle.Alloc(Encoding.UTF8.GetBytes(options), GCHandleType.Pinned);
_addOptionFlagFunction.Delegate(InstancePointer, handle.AddrOfPinnedObject(), flag);
handle.Free();
}
public void SetVideoFormat(String chroma, uint width, uint height, uint pitch)
{
var handle = InteropHelper.StringToPtr(chroma);
_setVideoFormatFunction.Delegate(InstancePointer, handle.AddrOfPinnedObject(), width, height, pitch);
handle.Free();
}
/// <summary>
/// 设置 Audio 的格式
/// </summary>
/// <param name="format">格式字符串,一个四字符的字符串</param>
/// <param name="rate">采样率</param>
/// <param name="channels">通道数</param>
public void SetAudioFormat(String format, uint rate, uint channels)
{
var fmt =
BitConverter.ToUInt32(new[] { (byte)format[0], (byte)format[1], (byte)format[2], (byte)format[3] }, 0);
_setAudioFormatFunction.Delegate(InstancePointer, fmt, rate, channels);
}
/// <summary>
/// Selects an audio output module.
/// Any change will take be effect only after playback is stopped and restarted. Audio output cannot be changed while
/// playing.
/// </summary>
/// <param name="audioOutput"></param>
/// <returns></returns>
public bool SetAudioOutput(AudioOutput audioOutput)
{
var handle = InteropHelper.StringToPtr(audioOutput.Name);
var result = _setAudioOutputFunction.Delegate(InstancePointer, handle.AddrOfPinnedObject());
handle.Free();
return(result == 0);
}
/// <summary>
/// 通过名称创建一个新的 VlcMedia
/// </summary>
/// <param name="vlc">Vlc 对象</param>
/// <param name="name">媒体名称</param>
public static VlcMedia CreateAsNewNode(Vlc vlc, String name)
{
GCHandle handle = GCHandle.Alloc(Encoding.UTF8.GetBytes(name), GCHandleType.Pinned);
var madia = new VlcMedia(_createMediaAsNewNodeFunction.Delegate(vlc.InstancePointer, handle.AddrOfPinnedObject()));
handle.Free();
return(madia);
}
/// <summary>
/// 通过给定的文件路径创建一个新的 VlcMedia
/// </summary>
/// <param name="vlc">Vlc 对象</param>
/// <param name="path">文件路径</param>
public static VlcMedia CreateFormPath(Vlc vlc, String path)
{
GCHandle handle = GCHandle.Alloc(Encoding.UTF8.GetBytes(path), GCHandleType.Pinned);
var media = new VlcMedia(_createMediaFormPathFunction.Delegate(vlc.InstancePointer, handle.AddrOfPinnedObject()));
handle.Free();
return(media);
}
public bool AddInterface(String name)
{
var handle = GCHandle.Alloc(Encoding.UTF8.GetBytes(name), GCHandleType.Pinned);
var result = _addInterfaceFunction.Delegate(InstancePointer, handle.AddrOfPinnedObject()) == 0;
handle.Free();
return(result);
}
/// <summary>
/// 设置一个用户代理字符串,当一个协议需要它的时候,将会提供该字符串
/// </summary>
/// <param name="name">应用程序名称,类似于 "FooBar player 1.2.3",实际上只要能标识应用程序,任何字符串都是可以的</param>
/// <param name="http">HTTP 用户代理,类似于 "FooBar/1.2.3 Python/2.6.0"</param>
public void SetUserAgent(String name, String http)
{
var nameHandle = GCHandle.Alloc(Encoding.UTF8.GetBytes(name), GCHandleType.Pinned);
var httpHandle = GCHandle.Alloc(Encoding.UTF8.GetBytes(http), GCHandleType.Pinned);
_setUserAgentFunction.Delegate(InstancePointer, nameHandle.AddrOfPinnedObject(), httpHandle.AddrOfPinnedObject());
nameHandle.Free();
httpHandle.Free();
}
/// <summary>
/// Gets a list of audio output devices for a given audio output module.
/// </summary>
/// <param name="audioOutput"></param>
/// <returns></returns>
public AudioDeviceList GetAudioDeviceList(AudioOutput audioOutput)
{
var handle = InteropHelper.StringToPtr(audioOutput.Name);
var result =
new AudioDeviceList(_getAudioDeviceListFunction.Delegate(VlcInstance.InstancePointer,
handle.AddrOfPinnedObject()));
handle.Free();
return(result);
}
public bool VlmPause(String name)
{
var nameHandle = InteropHelper.StringToPtr(name);
var result = _pauseNamedBroadcastFunction.Delegate(InstancePointer, nameHandle.AddrOfPinnedObject()) == 0;
nameHandle.Free();
return(result);
}
public int VlmGetRate(String name, int id)
{
var nameHandle = InteropHelper.StringToPtr(name);
var result = _getMediaBackRateFunction.Delegate(InstancePointer, nameHandle.AddrOfPinnedObject(), id);
nameHandle.Free();
return(result);
}
public bool VlmSetEnable(String name, int enable)
{
var nameHandle = InteropHelper.StringToPtr(name);
var result = _mediaSwitchFunction.Delegate(InstancePointer, nameHandle.AddrOfPinnedObject(), enable) == 0;
nameHandle.Free();
return(result);
}
public bool VlmDeleteMedia(String name)
{
var nameHandle = InteropHelper.StringToPtr(name);
var result = _delBoroadcastOrOvdFunction.Delegate(InstancePointer, nameHandle.AddrOfPinnedObject()) == 0;
nameHandle.Free();
return(result);
}
public bool VlmSetLoop(String name, int loop)
{
var nameHandle = InteropHelper.StringToPtr(name);
var result = _setMediaLoopFunction.Delegate(InstancePointer, nameHandle.AddrOfPinnedObject(), loop) == 0;
nameHandle.Free();
return(result);
}
public String VlmGetInfomation(String name)
{
var nameHandle = InteropHelper.StringToPtr(name);
var result = _returnJsonMessageFunction.Delegate(InstancePointer, nameHandle.AddrOfPinnedObject());
nameHandle.Free();
return(InteropHelper.PtrToString(result));
}
/// <summary>
/// 设置一些元信息关于该应用程序
/// </summary>
/// <param name="id">Java 风格的应用标识符,类似于 "com.acme.foobar"</param>
/// <param name="version">应用程序版本,类似于 "1.2.3"</param>
/// <param name="icon">应用程序图标,类似于 "foobar"</param>
public void SetAppId(String id, String version, String icon)
{
var idHandle = GCHandle.Alloc(Encoding.UTF8.GetBytes(id), GCHandleType.Pinned);
var versionHandle = GCHandle.Alloc(Encoding.UTF8.GetBytes(version), GCHandleType.Pinned);
var iconHandle = GCHandle.Alloc(Encoding.UTF8.GetBytes(icon), GCHandleType.Pinned);
_setAppIdFunction.Delegate(InstancePointer, idHandle.AddrOfPinnedObject(), versionHandle.AddrOfPinnedObject(), iconHandle.AddrOfPinnedObject());
idHandle.Free();
versionHandle.Free();
iconHandle.Free();
}
protected void Dispose(bool disposing)
{
if (_disposed)
{
return;
}
//EventManager.Dispose();
HandleManager.Remove(this);
EventManager.Detach(EventTypes.MediaPlayerPlaying, _onPlaying, IntPtr.Zero);
EventManager.Detach(EventTypes.MediaPlayerPaused, _onPaused, IntPtr.Zero);
EventManager.Detach(EventTypes.MediaPlayerOpening, _onOpening, IntPtr.Zero);
EventManager.Detach(EventTypes.MediaPlayerBuffering, _onBuffering, IntPtr.Zero);
EventManager.Detach(EventTypes.MediaPlayerStopped, _onStoped, IntPtr.Zero);
EventManager.Detach(EventTypes.MediaPlayerForward, _onForward, IntPtr.Zero);
EventManager.Detach(EventTypes.MediaPlayerBackward, _onBackward, IntPtr.Zero);
EventManager.Detach(EventTypes.MediaPlayerEndReached, _onEndReached, IntPtr.Zero);
EventManager.Detach(EventTypes.MediaPlayerMediaChanged, _onMediaChanged, IntPtr.Zero);
EventManager.Detach(EventTypes.MediaPlayerNothingSpecial, _onNothingSpecial, IntPtr.Zero);
EventManager.Detach(EventTypes.MediaPlayerPausableChanged, _onPausableChanged, IntPtr.Zero);
EventManager.Detach(EventTypes.MediaPlayerPositionChanged, _onPositionChanged, IntPtr.Zero);
EventManager.Detach(EventTypes.MediaPlayerSeekableChanged, _onSeekableChanged, IntPtr.Zero);
EventManager.Detach(EventTypes.MediaPlayerSnapshotTaken, _onSnapshotTaken, IntPtr.Zero);
EventManager.Detach(EventTypes.MediaPlayerTimeChanged, _onTimeChanged, IntPtr.Zero);
EventManager.Detach(EventTypes.MediaPlayerTitleChanged, _onTitleChanged, IntPtr.Zero);
EventManager.Detach(EventTypes.MediaPlayerVideoOutChanged, _onVideoOutChanged, IntPtr.Zero);
EventManager.Detach(EventTypes.MediaPlayerLengthChanged, _onLengthChanged, IntPtr.Zero);
EventManager.Detach(EventTypes.MediaPlayerEncounteredError, _onEncounteredError, IntPtr.Zero);
_onPlayingHandle.Free();
_onPausedHandle.Free();
_onOpeningHandle.Free();
_onBufferingHandle.Free();
_onStopedHandle.Free();
_onForwardHandle.Free();
_onBackwardHandle.Free();
_onEndReachedHandle.Free();
_onMediaChangedHandle.Free();
_onNothingSpecialHandle.Free();
_onPausableChangedHandle.Free();
_onPositionChangedHandle.Free();
_onSeekableChangedHandle.Free();
_onSnapshotTakenHandle.Free();
_onTimeChangedHandle.Free();
_onTitleChangedHandle.Free();
_onVideoOutChangedHandle.Free();
_onLengthChangedHandle.Free();
_onEncounteredErrorHandle.Free();
_releaseMediaPlayerFunction.Delegate(InstancePointer);
InstancePointer = IntPtr.Zero;
_disposed = true;
}
public bool VlmSeek(String name, float percentage)
{
var nameHandle = InteropHelper.StringToPtr(name);
var result =
_seekInNamedBroadcastFunction.Delegate(InstancePointer, nameHandle.AddrOfPinnedObject(), percentage) ==
0;
nameHandle.Free();
return(result);
}
protected void Dispose(bool disposing)
{
if (disposed)
{
return;
}
HandleManager.Remove(this);
ReleaseInstanceFunction.Delegate(InstancePointer);
InstancePointer = IntPtr.Zero;
disposed = true;
}
/// <summary>
/// 提供指定的参数初始化一个 Vlc 实例
/// </summary>
/// <param name="argv"></param>
public Vlc(String[] argv)
{
if (!IsLibLoaded)
{
LoadLibVlc();
}
if (argv == null)
{
InstancePointer = NewInstanceFunction.Delegate(0, IntPtr.Zero);
}
else
{
InstancePointer = NewInstanceFunction.Delegate(argv.Length, InteropHelper.StringArrayToPtr(argv));
}
if (InstancePointer == IntPtr.Zero)
{
String ex = VlcError.GetErrorMessage();
throw new Exception(ex);
}
HandleManager.Add(this);
}
public bool VlmSetOutput(String name, String output)
{
var nameHandle = InteropHelper.StringToPtr(name);
var outputHandle = InteropHelper.StringToPtr(output);
var result =
_setMediaOutputFunction.Delegate(InstancePointer, nameHandle.AddrOfPinnedObject(),
outputHandle.AddrOfPinnedObject()) == 0;
nameHandle.Free();
outputHandle.Free();
return(result);
}
/// <summary>
/// Configures an explicit audio output device. If the module paramater is NULL,
/// audio output will be moved to the device specified by the device identifier string immediately.
/// This is the recommended usage. A list of adequate potential device strings can be obtained with
/// <see cref="EnumAudioDeviceList" />.
/// However passing NULL is supported in LibVLC version 2.2.0 and later only; in earlier versions, this function would
/// have no effects when the module parameter was NULL.
/// If the module parameter is not NULL, the device parameter of the corresponding audio output, if it exists, will be
/// set to the specified string.
/// Note that some audio output modules do not have such a parameter (notably MMDevice and PulseAudio).
/// A list of adequate potential device strings can be obtained with <see cref="GetAudioDeviceList" />.
/// </summary>
public void SetAudioDevice(AudioOutput audioOutput, AudioDevice audioDevice)
{
var outputHandle = audioOutput == null ? null : new GCHandle?(InteropHelper.StringToPtr(audioOutput.Name));
var deviceHandle = InteropHelper.StringToPtr(audioDevice.Device);
_setAudioDeviceFunction.Delegate(InstancePointer,
outputHandle == null ? IntPtr.Zero : outputHandle.Value.AddrOfPinnedObject(),
deviceHandle.AddrOfPinnedObject());
if (outputHandle.HasValue)
{
outputHandle.Value.Free();
}
deviceHandle.Free();
}
public bool VlmAddInput(String name, String input)
{
var nameHandle = InteropHelper.StringToPtr(name);
var inputHandle = InteropHelper.StringToPtr(input);
var result =
_addMediaInputFunction.Delegate(InstancePointer, nameHandle.AddrOfPinnedObject(),
inputHandle.AddrOfPinnedObject()) == 0;
nameHandle.Free();
inputHandle.Free();
return(result);
}
public bool VlmSetMuxer(String name, String muxer)
{
var nameHandle = InteropHelper.StringToPtr(name);
var muxerHandle = InteropHelper.StringToPtr(muxer);
var result =
_setVodMuxerFunction.Delegate(InstancePointer, nameHandle.AddrOfPinnedObject(),
muxerHandle.AddrOfPinnedObject()) == 0;
nameHandle.Free();
muxerHandle.Free();
return(result);
}
/// <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)));
}
Vlc.Free(pointer);
return(result);
}
public bool VlmAddVod(String name, String input, int options, String[] additionalOptions, int enable,
String muxer)
{
var nameHandle = InteropHelper.StringToPtr(name);
var inputHandle = InteropHelper.StringToPtr(input);
var muxerHandle = InteropHelper.StringToPtr(muxer);
var result = _newVodInputFunction.Delegate(InstancePointer, nameHandle.AddrOfPinnedObject(),
inputHandle.AddrOfPinnedObject(), options, InteropHelper.StringArrayToPtr(additionalOptions), enable,
muxerHandle.AddrOfPinnedObject()) == 0;
nameHandle.Free();
inputHandle.Free();
muxerHandle.Free();
return(result);
}
public bool VlmAddBroadcast(String name, String input, String output, int options, String[] additionalOptions,
int enable, int loop)
{
var nameHandle = InteropHelper.StringToPtr(name);
var inputHandle = InteropHelper.StringToPtr(input);
var outputHandle = InteropHelper.StringToPtr(output);
var result = _newBroadCastInputFunction.Delegate(InstancePointer, nameHandle.AddrOfPinnedObject(),
inputHandle.AddrOfPinnedObject(), outputHandle.AddrOfPinnedObject(), options,
InteropHelper.StringArrayToPtr(additionalOptions), enable, loop) == 0;
nameHandle.Free();
inputHandle.Free();
outputHandle.Free();
return(result);
}
/// <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>
/// 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;
}
}
