/// <summary>
/// 创建VLC播放资源索引
/// </summary>
/// <param name="arguments"></param>
/// <returns></returns>
private libvlc_instance_t Create_Media_Instance()
{
libvlc_instance_t libvlc_instance = IntPtr.Zero;
IntPtr argvPtr = IntPtr.Zero;
try
{
if (arguments.Length == 0 ||
arguments == null)
{
return(IntPtr.Zero);
}
//将string数组转换为指针
argvPtr = StrToIntPtr(arguments);
if (argvPtr == null || argvPtr == IntPtr.Zero)
{
return(IntPtr.Zero);
}
//设置启动参数
libvlc_instance = SafeNativeMethods.libvlc_new(arguments.Length, argvPtr);
if (libvlc_instance == null || libvlc_instance == IntPtr.Zero)
{
return(IntPtr.Zero);
}
return(libvlc_instance);
}
catch
{
return(IntPtr.Zero);
}
}
/// <summary>
/// 创建VLC播放器
/// </summary>
/// <param name="libvlc_instance">VLC 全局变量</param>
/// <param name="handle">VLC MediaPlayer需要绑定显示的窗体句柄</param>
/// <returns></returns>
private libvlc_media_player_t Create_MediaPlayer(libvlc_instance_t libvlc_instance, IntPtr handle)
{
libvlc_media_player_t libvlc_media_player = IntPtr.Zero;
try
{
if (libvlc_instance == IntPtr.Zero ||
libvlc_instance == null ||
handle == IntPtr.Zero ||
handle == null)
{
return(IntPtr.Zero);
}
//创建播放器
libvlc_media_player = SafeNativeMethods.libvlc_media_player_new(libvlc_instance);
if (libvlc_media_player == null || libvlc_media_player == IntPtr.Zero)
{
return(IntPtr.Zero);
}
//设置播放窗口
SafeNativeMethods.libvlc_media_player_set_hwnd(libvlc_media_player, (int)handle);
return(libvlc_media_player);
}
catch
{
SafeNativeMethods.libvlc_media_player_release(libvlc_media_player);
return(IntPtr.Zero);
}
}
/// <summary>
/// 播放本地视频
/// </summary>
/// <param name="libvlc_instance"></param>
/// <param name="libvlc_media_player"></param>
/// <param name="url"></param>
/// <returns></returns>
private bool Local_Media_Play(libvlc_instance_t libvlc_instance, libvlc_media_player_t libvlc_media_player, string url)
{
IntPtr pMrl = IntPtr.Zero;
libvlc_media_t libvlc_media = IntPtr.Zero;
try
{
if (url == null ||
libvlc_instance == IntPtr.Zero ||
libvlc_instance == null ||
libvlc_media_player == IntPtr.Zero ||
libvlc_media_player == null)
{
return(false);
}
pMrl = StrToIntPtr(url);
if (pMrl == null || pMrl == IntPtr.Zero)
{
return(false);
}
//播放本地视频
libvlc_media = SafeNativeMethods.libvlc_media_new_path(libvlc_instance, pMrl);
if (libvlc_media == null || libvlc_media == IntPtr.Zero)
{
return(false);
}
//将Media绑定到播放器上
SafeNativeMethods.libvlc_media_player_set_media(libvlc_media_player, libvlc_media);
//释放libvlc_media资源
SafeNativeMethods.libvlc_media_release(libvlc_media);
libvlc_media = IntPtr.Zero;
if (0 != SafeNativeMethods.libvlc_media_player_play(libvlc_media_player))
{
return(false);
}
//休眠指定时间
Thread.Sleep(500);
return(true);
}
catch (Exception)
{
//释放libvlc_media资源
if (libvlc_media != IntPtr.Zero)
{
SafeNativeMethods.libvlc_media_release(libvlc_media);
}
libvlc_media = IntPtr.Zero;
return(false);
}
}
private bool NetWork_Media_Play(libvlc_instance_t libvlc_instance, libvlc_media_player_t libvlc_media_player, string url)
{
IntPtr pMrl = IntPtr.Zero;
libvlc_media_t libvlc_media = IntPtr.Zero;
try
{
if (url == null ||
libvlc_instance == IntPtr.Zero ||
libvlc_instance == null ||
libvlc_media_player == IntPtr.Zero ||
libvlc_media_player == null)
{
return(false);
}
pMrl = StrToIntPtr(url);
if (pMrl == null || pMrl == IntPtr.Zero)
{
return(false);
}
libvlc_media = SafeNativeMethods.libvlc_media_new_location(libvlc_instance, pMrl);
if (libvlc_media == null || libvlc_media == IntPtr.Zero)
{
return(false);
}
SafeNativeMethods.libvlc_media_player_set_media(libvlc_media_player, libvlc_media);
SafeNativeMethods.libvlc_media_release(libvlc_media);
libvlc_media = IntPtr.Zero;
if (0 != SafeNativeMethods.libvlc_media_player_play(libvlc_media_player))
{
return(false);
}
Thread.Sleep(500);
return(true);
}
catch (Exception)
{
if (libvlc_media != IntPtr.Zero)
{
SafeNativeMethods.libvlc_media_release(libvlc_media);
}
libvlc_media = IntPtr.Zero;
return(false);
}
}
/// <summary>
/// 录制网络媒体
/// </summary>
/// <param name="libvlc_instance">VLC 全局变量</param>
/// <param name="url">网络视频URL，支持http、rtp、udp等格式的URL播放</param>
/// <returns></returns>
public bool NetWork_Media_Save(libvlc_instance_t libvlc_instance, string url)
{
IntPtr pMrl = IntPtr.Zero;
libvlc_media_t libvlc_media = IntPtr.Zero;
try
{
if (url == null ||
libvlc_instance == IntPtr.Zero ||
libvlc_instance == null)
{
return(false);
}
pMrl = StrToIntPtr(url);
if (pMrl == null || pMrl == IntPtr.Zero)
{
return(false);
}
//播放网络文件
libvlc_media = SafeNativeMethods.libvlc_media_new_location(libvlc_instance, pMrl);
if (libvlc_media == null || libvlc_media == IntPtr.Zero)
{
return(false);
}
//释放libvlc_media资源
//SafeNativeMethods.libvlc_media_release(libvlc_media);
//libvlc_media = IntPtr.Zero;
//休眠指定时间
//Thread.Sleep(200);
return(true);
}
catch (Exception)
{
//释放libvlc_media资源
if (libvlc_media != IntPtr.Zero)
{
SafeNativeMethods.libvlc_media_release(libvlc_media);
}
libvlc_media = IntPtr.Zero;
return(false);
}
}
/// <summary>
/// 释放VLC播放资源索引
/// </summary>
/// <param name="libvlc_instance">VLC 全局变量</param>
private void Release_Media_Instance(libvlc_instance_t libvlc_instance)
{
try
{
if (libvlc_instance != IntPtr.Zero ||
libvlc_instance != null)
{
SafeNativeMethods.libvlc_release(libvlc_instance);
}
libvlc_instance = IntPtr.Zero;
}
catch (Exception)
{
libvlc_instance = IntPtr.Zero;
}
}
static extern IntPtr libvlc_playlist_get_input(ref libvlc_instance_t libvlc, ref libvlc_exception_t p_exception);
/// <summary>
/// 播放网络视频流
/// </summary>
/// <param name="url">url地址</param>
/// <param name="handle">显示控件句柄</param>
/// <returns>true：播放成功；false：播放失败</returns>
public bool playUrl(string url, IntPtr handle)
{
lit = Create_Media_Instance();
lmpt = Create_MediaPlayer(lit, handle);
return(NetWork_Media_Play(lit, lmpt, url));
}
internal static extern libvlc_media_player_t libvlc_media_player_new(libvlc_instance_t libvlc_instance);
internal static extern libvlc_media_t libvlc_media_new_path(libvlc_instance_t libvlc_instance, IntPtr path);
internal static extern void libvlc_release(libvlc_instance_t libvlc_instance);
/// <summary>
/// 播放本地视频
/// </summary>
/// <param name="path">视频路径</param>
/// <param name="handle">显示控件句柄</param>
/// <returns>true：播放成功；false：播放失败</returns>
public bool playLocalVideo(string path, IntPtr handle)
{
lit = Create_Media_Instance();
lmpt = Create_MediaPlayer(lit, handle);
return(Local_Media_Play(lit, lmpt, path));
}
private void LibVLCInit(string[] args)
{
IntPtr pLibVLC;
libvlc_exception_t exp = new libvlc_exception_t();
libvlc_exception_init(ref exp);
pLibVLC = libvlc_new(args.Length, args, ref exp);
if (0 != libvlc_exception_raised(ref exp))
{
//Console.WriteLine("Error: {0}", exp.psz_message);
throw new Win32Exception(exp.psz_message);
}
else
{
_instanceVLC = (libvlc_instance_t)Marshal.PtrToStructure(pLibVLC, typeof(libvlc_instance_t));
_pLibVLCHandle = pLibVLC;
//Console.WriteLine("pLibVLC Done! - {0:X}", pLibVLC);
}
}
public VlcPlaylistObject(int vlcHandle)
: base(vlcHandle, ObjectType.VLC_OBJECT_PLAYLIST)
{
if(this.SubObject != IntPtr.Zero)
{
this.libvlc = new libvlc_instance_t(this.Vlc, this.SubObject, vlcHandle);
this.exception.Init();
}
}
static extern void libvlc_playlist_play(ref libvlc_instance_t libvlc, Int32 id, Int32 optionsCount, IntPtr optionsAlwaysNull, ref libvlc_exception_t p_exception);
