886 lines
31 KiB
C#
886 lines
31 KiB
C#
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Runtime.InteropServices;
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using System.Threading;
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using System.IO;
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using System.Security;
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namespace Nanji_Island
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{
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//定义替代变量
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using libvlc_media_t = System.IntPtr;
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using libvlc_media_player_t = System.IntPtr;
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using libvlc_instance_t = System.IntPtr;
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class MediaPlayer
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{
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#region 全局变量
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//数组转换为指针
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internal struct PointerToArrayOfPointerHelper
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{
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 11)]
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public IntPtr[] pointers;
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}
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//vlc库启动参数配置
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private static string pluginPath = System.Environment.CurrentDirectory + "\\plugins\\";
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private static string plugin_arg = "--plugin-path=" + pluginPath;
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//用于播放节目时，转录节目
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private static string[] arguments = { "-I", "dummy", "--ignore-config", "--no-video-title",
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"--network-caching=110", plugin_arg };
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#region 结构体
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public struct libvlc_media_stats_t
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{
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/* Input */
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public int i_read_bytes;
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public float f_input_bitrate;
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/* Demux */
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public int i_demux_read_bytes;
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public float f_demux_bitrate;
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public int i_demux_corrupted;
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public int i_demux_discontinuity;
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/* Decoders */
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public int i_decoded_video;
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public int i_decoded_audio;
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/* Video Output */
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public int i_displayed_pictures;
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public int i_lost_pictures;
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/* Audio output */
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public int i_played_abuffers;
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public int i_lost_abuffers;
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/* Stream output */
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public int i_sent_packets;
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public int i_sent_bytes;
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public float f_send_bitrate;
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}
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#endregion
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#endregion
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#region 公开函数
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/// <summary>
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/// 创建VLC播放资源索引
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/// </summary>
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/// <param name="arguments"></param>
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/// <returns></returns>
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public static libvlc_instance_t Create_Media_Instance()
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{
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libvlc_instance_t libvlc_instance = IntPtr.Zero;
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IntPtr argvPtr = IntPtr.Zero;
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try
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{
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if (arguments.Length == 0 ||
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arguments == null)
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{
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return IntPtr.Zero;
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}
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//将string数组转换为指针
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argvPtr = StrToIntPtr(arguments);
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if (argvPtr == null || argvPtr == IntPtr.Zero)
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{
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return IntPtr.Zero;
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}
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//设置启动参数
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libvlc_instance = SafeNativeMethods.libvlc_new(arguments.Length, argvPtr);
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if (libvlc_instance == null || libvlc_instance == IntPtr.Zero)
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{
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return IntPtr.Zero;
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}
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return libvlc_instance;
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}
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catch
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{
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return IntPtr.Zero;
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}
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}
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/// <summary>
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/// 释放VLC播放资源索引
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/// </summary>
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/// <param name="libvlc_instance">VLC 全局变量</param>
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public static void Release_Media_Instance(libvlc_instance_t libvlc_instance)
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{
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try
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{
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if (libvlc_instance != IntPtr.Zero ||
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libvlc_instance != null)
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{
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SafeNativeMethods.libvlc_release(libvlc_instance);
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}
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libvlc_instance = IntPtr.Zero;
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}
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catch (Exception)
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{
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libvlc_instance = IntPtr.Zero;
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}
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}
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/// <summary>
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/// 创建VLC播放器
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/// </summary>
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/// <param name="libvlc_instance">VLC 全局变量</param>
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/// <param name="handle">VLC MediaPlayer需要绑定显示的窗体句柄</param>
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/// <returns></returns>
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public static libvlc_media_player_t Create_MediaPlayer(libvlc_instance_t libvlc_instance, IntPtr handle)
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{
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libvlc_media_player_t libvlc_media_player = IntPtr.Zero;
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try
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{
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if (libvlc_instance == IntPtr.Zero ||
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libvlc_instance == null ||
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handle == IntPtr.Zero ||
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handle == null)
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{
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return IntPtr.Zero;
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}
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//创建播放器
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libvlc_media_player = SafeNativeMethods.libvlc_media_player_new(libvlc_instance);
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if (libvlc_media_player == null || libvlc_media_player == IntPtr.Zero)
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{
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return IntPtr.Zero;
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}
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//设置播放窗口
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SafeNativeMethods.libvlc_media_player_set_hwnd(libvlc_media_player, (int)handle);
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return libvlc_media_player;
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}
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catch
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{
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SafeNativeMethods.libvlc_media_player_release(libvlc_media_player);
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return IntPtr.Zero;
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}
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}
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/// <summary>
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/// 视频存储开始
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/// </summary>
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/// <param name="libvlc_media_player"></param>
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/// <param name="url"></param>
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public static void Save_MediaPlayer(libvlc_media_player_t libvlc_media_player, string url)
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{
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IntPtr pMrl = IntPtr.Zero;
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try
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{
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if (url == null ||
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libvlc_media_player == IntPtr.Zero ||
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libvlc_media_player == null)
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{
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return;
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}
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pMrl = StrToIntPtr(url);
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if (pMrl == null || pMrl == IntPtr.Zero)
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{
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return;
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}
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SafeNativeMethods.libvlc_media_player_recorder_start(libvlc_media_player, pMrl);
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}
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catch (Exception)
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{
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}
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}
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/// <summary>
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/// 停止录像功能，存储
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/// </summary>
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/// <param name="libvlc_media_player"></param>
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public static void UnSave_MediaPlayer(libvlc_media_player_t libvlc_media_player)
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{
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try
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{
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if (libvlc_media_player == IntPtr.Zero ||
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libvlc_media_player == null)
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{
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return;
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}
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SafeNativeMethods.libvlc_media_player_recorder_stop(libvlc_media_player);
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Console.WriteLine("保存成功");
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}
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catch (Exception err)
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{
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Console.WriteLine(err.Message);
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}
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}
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/// <summary>
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/// 释放媒体播放器
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/// </summary>
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/// <param name="libvlc_media_player">VLC MediaPlayer变量</param>
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public static void Release_MediaPlayer(libvlc_media_player_t libvlc_media_player)
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{
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try
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{
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if (libvlc_media_player != IntPtr.Zero ||
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libvlc_media_player != null)
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{
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if (SafeNativeMethods.libvlc_media_player_is_playing(libvlc_media_player))
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{
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SafeNativeMethods.libvlc_media_player_stop(libvlc_media_player);
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}
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SafeNativeMethods.libvlc_media_player_release(libvlc_media_player);
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}
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libvlc_media_player = IntPtr.Zero;
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}
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catch (Exception)
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{
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libvlc_media_player = IntPtr.Zero;
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}
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}
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/// <summary>
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/// 播放网络媒体
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/// </summary>
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/// <param name="libvlc_instance">VLC 全局变量</param>
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/// <param name="libvlc_media_player">VLC MediaPlayer变量</param>
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/// <param name="url">网络视频URL，支持http、rtp、udp等格式的URL播放</param>
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/// <returns></returns>
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public static bool NetWork_Media_Play(libvlc_instance_t libvlc_instance, libvlc_media_player_t libvlc_media_player, string url)
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{
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IntPtr pMrl = IntPtr.Zero;
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libvlc_media_t libvlc_media = IntPtr.Zero;
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try
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{
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if (url == null ||
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libvlc_instance == IntPtr.Zero ||
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libvlc_instance == null ||
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libvlc_media_player == IntPtr.Zero ||
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libvlc_media_player == null)
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{
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return false;
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}
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pMrl = StrToIntPtr(url);
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if (pMrl == null || pMrl == IntPtr.Zero)
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{
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return false;
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}
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//播放网络文件
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libvlc_media = SafeNativeMethods.libvlc_media_new_location(libvlc_instance, pMrl);
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if (libvlc_media == null || libvlc_media == IntPtr.Zero)
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{
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return false;
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}
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//将Media绑定到播放器上
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SafeNativeMethods.libvlc_media_player_set_media(libvlc_media_player, libvlc_media);
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//释放libvlc_media资源
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SafeNativeMethods.libvlc_media_release(libvlc_media);
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libvlc_media = IntPtr.Zero;
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if (0 != SafeNativeMethods.libvlc_media_player_play(libvlc_media_player))
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{
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return false;
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}
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//休眠指定时间
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Thread.Sleep(200);
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return true;
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}
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catch (Exception)
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{
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//释放libvlc_media资源
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if (libvlc_media != IntPtr.Zero)
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{
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SafeNativeMethods.libvlc_media_release(libvlc_media);
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}
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libvlc_media = IntPtr.Zero;
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return false;
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}
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}
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/// <summary>
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/// 播放本地媒体
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/// </summary>
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/// <param name="libvlc_instance">VLC 全局变量</param>
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/// <param name="libvlc_media_player">VLC MediaPlayer变量</param>
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/// <param name="url">本地文件路径</param>
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/// <returns></returns>
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public static bool LocationPath_Media_Play(libvlc_instance_t libvlc_instance, libvlc_media_player_t libvlc_media_player, string url)
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{
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IntPtr pMrl = IntPtr.Zero;
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libvlc_media_t libvlc_media = IntPtr.Zero;
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try
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{
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if (url == null ||
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libvlc_instance == IntPtr.Zero ||
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libvlc_instance == null ||
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libvlc_media_player == IntPtr.Zero ||
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libvlc_media_player == null)
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{
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return false;
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}
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pMrl = StrToIntPtr(url);
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if (pMrl == null || pMrl == IntPtr.Zero)
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{
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return false;
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}
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//播放网络文件
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libvlc_media = SafeNativeMethods.libvlc_media_new_path(libvlc_instance, pMrl);
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if (libvlc_media == null || libvlc_media == IntPtr.Zero)
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{
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return false;
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}
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//将Media绑定到播放器上
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SafeNativeMethods.libvlc_media_player_set_media(libvlc_media_player, libvlc_media);
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//释放libvlc_media资源
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SafeNativeMethods.libvlc_media_release(libvlc_media);
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libvlc_media = IntPtr.Zero;
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if (0 != SafeNativeMethods.libvlc_media_player_play(libvlc_media_player))
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{
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return false;
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}
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//休眠指定时间
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Thread.Sleep(200);
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|
|
|
|||
|
|
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>
|
|||
|
|
/// 暂停或恢复视频
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="libvlc_media_player">VLC MediaPlayer变量</param>
|
|||
|
|
/// <returns></returns>
|
|||
|
|
public static bool MediaPlayer_Pause(libvlc_media_player_t libvlc_media_player)
|
|||
|
|
{
|
|||
|
|
try
|
|||
|
|
{
|
|||
|
|
if (libvlc_media_player == IntPtr.Zero ||
|
|||
|
|
libvlc_media_player == null)
|
|||
|
|
{
|
|||
|
|
return false;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (SafeNativeMethods.libvlc_media_player_can_pause(libvlc_media_player))
|
|||
|
|
{
|
|||
|
|
SafeNativeMethods.libvlc_media_player_pause(libvlc_media_player);
|
|||
|
|
|
|||
|
|
return true;
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
return false;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
catch (Exception)
|
|||
|
|
{
|
|||
|
|
return false;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// 停止播放
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="libvlc_media_player">VLC MediaPlayer变量</param>
|
|||
|
|
/// <returns></returns>
|
|||
|
|
public static bool MediaPlayer_Stop(libvlc_media_player_t libvlc_media_player)
|
|||
|
|
{
|
|||
|
|
try
|
|||
|
|
{
|
|||
|
|
if (libvlc_media_player == IntPtr.Zero ||
|
|||
|
|
libvlc_media_player == null)
|
|||
|
|
{
|
|||
|
|
return false;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
SafeNativeMethods.libvlc_media_player_stop(libvlc_media_player);
|
|||
|
|
|
|||
|
|
return true;
|
|||
|
|
}
|
|||
|
|
catch (Exception)
|
|||
|
|
{
|
|||
|
|
return false;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// 快进
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="libvlc_media_player">VLC MediaPlayer变量</param>
|
|||
|
|
/// <returns></returns>
|
|||
|
|
public static bool MediaPlayer_Forward(libvlc_media_player_t libvlc_media_player)
|
|||
|
|
{
|
|||
|
|
double time = 0;
|
|||
|
|
|
|||
|
|
try
|
|||
|
|
{
|
|||
|
|
if (libvlc_media_player == IntPtr.Zero ||
|
|||
|
|
libvlc_media_player == null)
|
|||
|
|
{
|
|||
|
|
return false;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (SafeNativeMethods.libvlc_media_player_is_seekable(libvlc_media_player))
|
|||
|
|
{
|
|||
|
|
time = SafeNativeMethods.libvlc_media_player_get_time(libvlc_media_player) / 1000.0;
|
|||
|
|
if (time == -1)
|
|||
|
|
{
|
|||
|
|
return false;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
SafeNativeMethods.libvlc_media_player_set_time(libvlc_media_player, (Int64)((time + 30) * 1000));
|
|||
|
|
|
|||
|
|
return true;
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
return false;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
catch (Exception)
|
|||
|
|
{
|
|||
|
|
return false;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// 快退
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="libvlc_media_player">VLC MediaPlayer变量</param>
|
|||
|
|
/// <returns></returns>
|
|||
|
|
public static bool MediaPlayer_Back(libvlc_media_player_t libvlc_media_player)
|
|||
|
|
{
|
|||
|
|
double time = 0;
|
|||
|
|
|
|||
|
|
try
|
|||
|
|
{
|
|||
|
|
if (libvlc_media_player == IntPtr.Zero ||
|
|||
|
|
libvlc_media_player == null)
|
|||
|
|
{
|
|||
|
|
return false;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (SafeNativeMethods.libvlc_media_player_is_seekable(libvlc_media_player))
|
|||
|
|
{
|
|||
|
|
time = SafeNativeMethods.libvlc_media_player_get_time(libvlc_media_player) / 1000.0;
|
|||
|
|
if (time == -1)
|
|||
|
|
{
|
|||
|
|
return false;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (time - 30 < 0)
|
|||
|
|
{
|
|||
|
|
SafeNativeMethods.libvlc_media_player_set_time(libvlc_media_player, (Int64)(1 * 1000));
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
SafeNativeMethods.libvlc_media_player_set_time(libvlc_media_player, (Int64)((time - 30) * 1000));
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return true;
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
return false;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
catch (Exception)
|
|||
|
|
{
|
|||
|
|
return false;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// VLC MediaPlayer是否在播放
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="libvlc_media_player">VLC MediaPlayer变量</param>
|
|||
|
|
/// <returns></returns>
|
|||
|
|
public static bool MediaPlayer_IsPlaying(libvlc_media_player_t libvlc_media_player)
|
|||
|
|
{
|
|||
|
|
try
|
|||
|
|
{
|
|||
|
|
if (libvlc_media_player == IntPtr.Zero ||
|
|||
|
|
libvlc_media_player == null)
|
|||
|
|
{
|
|||
|
|
return false;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return SafeNativeMethods.libvlc_media_player_is_playing(libvlc_media_player);
|
|||
|
|
}
|
|||
|
|
catch (Exception)
|
|||
|
|
{
|
|||
|
|
return false;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// 录制快照
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="libvlc_media_player">VLC MediaPlayer变量</param>
|
|||
|
|
/// <param name="path">快照要存放的路径</param>
|
|||
|
|
/// <param name="name">快照保存的文件名称</param>
|
|||
|
|
/// <returns></returns>
|
|||
|
|
public static bool TakeSnapShot(libvlc_media_player_t libvlc_media_player, string path, string name)
|
|||
|
|
{
|
|||
|
|
try
|
|||
|
|
{
|
|||
|
|
string snap_shot_path = null;
|
|||
|
|
|
|||
|
|
if (libvlc_media_player == IntPtr.Zero ||
|
|||
|
|
libvlc_media_player == null)
|
|||
|
|
{
|
|||
|
|
return false;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (!Directory.Exists(path))
|
|||
|
|
{
|
|||
|
|
Directory.CreateDirectory(path);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
snap_shot_path = path + "\\" + name;
|
|||
|
|
|
|||
|
|
if (0 == SafeNativeMethods.libvlc_video_take_snapshot(libvlc_media_player, 0, snap_shot_path.ToCharArray(), 0, 0))
|
|||
|
|
{
|
|||
|
|
return true;
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
return false;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
catch (Exception)
|
|||
|
|
{
|
|||
|
|
return false;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// 获取信息
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="libvlc_media_player"></param>
|
|||
|
|
/// <returns></returns>
|
|||
|
|
public static bool GetMedia(libvlc_media_player_t libvlc_media_player)
|
|||
|
|
{
|
|||
|
|
libvlc_media_t media = IntPtr.Zero;
|
|||
|
|
|
|||
|
|
try
|
|||
|
|
{
|
|||
|
|
if (libvlc_media_player == IntPtr.Zero ||
|
|||
|
|
libvlc_media_player == null)
|
|||
|
|
{
|
|||
|
|
return false;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
media = SafeNativeMethods.libvlc_media_player_get_media(libvlc_media_player);
|
|||
|
|
if (media == IntPtr.Zero || media == null)
|
|||
|
|
{
|
|||
|
|
return false;
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
return true;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
catch (Exception)
|
|||
|
|
{
|
|||
|
|
return false;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// 获取已经显示的图片数
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="libvlc_media_player"></param>
|
|||
|
|
/// <returns></returns>
|
|||
|
|
public static int GetDisplayedPictures(libvlc_media_player_t libvlc_media_player)
|
|||
|
|
{
|
|||
|
|
libvlc_media_t media = IntPtr.Zero;
|
|||
|
|
libvlc_media_stats_t media_stats = new libvlc_media_stats_t();
|
|||
|
|
try
|
|||
|
|
{
|
|||
|
|
if (libvlc_media_player == IntPtr.Zero ||
|
|||
|
|
libvlc_media_player == null)
|
|||
|
|
{
|
|||
|
|
return 0;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
media = SafeNativeMethods.libvlc_media_player_get_media(libvlc_media_player);
|
|||
|
|
if (media == IntPtr.Zero || media == null)
|
|||
|
|
{
|
|||
|
|
return 0;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (1 == SafeNativeMethods.libvlc_media_get_stats(media, ref media_stats))
|
|||
|
|
{
|
|||
|
|
return media_stats.i_displayed_pictures;
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
return 0;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
catch (Exception)
|
|||
|
|
{
|
|||
|
|
return 0;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// 设置全屏
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="libvlc_media_player"></param>
|
|||
|
|
/// <param name="isFullScreen"></param>
|
|||
|
|
public static bool SetFullScreen(libvlc_media_player_t libvlc_media_player, int isFullScreen)
|
|||
|
|
{
|
|||
|
|
try
|
|||
|
|
{
|
|||
|
|
if (libvlc_media_player == IntPtr.Zero ||
|
|||
|
|
libvlc_media_player == null)
|
|||
|
|
{
|
|||
|
|
return false;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
SafeNativeMethods.libvlc_set_fullscreen(libvlc_media_player, isFullScreen);
|
|||
|
|
|
|||
|
|
return true;
|
|||
|
|
}
|
|||
|
|
catch (Exception)
|
|||
|
|
{
|
|||
|
|
return false;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
#endregion
|
|||
|
|
|
|||
|
|
|
|||
|
|
#region 私有函数
|
|||
|
|
//将string []转换为IntPtr
|
|||
|
|
public static IntPtr StrToIntPtr(string[] args)
|
|||
|
|
{
|
|||
|
|
try
|
|||
|
|
{
|
|||
|
|
IntPtr ip_args = IntPtr.Zero;
|
|||
|
|
|
|||
|
|
PointerToArrayOfPointerHelper argv = new PointerToArrayOfPointerHelper();
|
|||
|
|
argv.pointers = new IntPtr[11];
|
|||
|
|
|
|||
|
|
for (int i = 0; i < args.Length; i++)
|
|||
|
|
{
|
|||
|
|
argv.pointers[i] = Marshal.StringToHGlobalAnsi(args[i]);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
int size = Marshal.SizeOf(typeof(PointerToArrayOfPointerHelper));
|
|||
|
|
ip_args = Marshal.AllocHGlobal(size);
|
|||
|
|
Marshal.StructureToPtr(argv, ip_args, false);
|
|||
|
|
|
|||
|
|
return ip_args;
|
|||
|
|
}
|
|||
|
|
catch (Exception)
|
|||
|
|
{
|
|||
|
|
return IntPtr.Zero;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
//将string转换为IntPtr
|
|||
|
|
private static IntPtr StrToIntPtr(string url)
|
|||
|
|
{
|
|||
|
|
try
|
|||
|
|
{
|
|||
|
|
if (string.IsNullOrEmpty(url))
|
|||
|
|
{
|
|||
|
|
return IntPtr.Zero;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
IntPtr pMrl = IntPtr.Zero;
|
|||
|
|
byte[] bytes = Encoding.UTF8.GetBytes(url);
|
|||
|
|
|
|||
|
|
pMrl = Marshal.AllocHGlobal(bytes.Length + 1);
|
|||
|
|
Marshal.Copy(bytes, 0, pMrl, bytes.Length);
|
|||
|
|
Marshal.WriteByte(pMrl, bytes.Length, 0);
|
|||
|
|
|
|||
|
|
return pMrl;
|
|||
|
|
}
|
|||
|
|
catch (Exception)
|
|||
|
|
{
|
|||
|
|
return IntPtr.Zero;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
#endregion
|
|||
|
|
|
|||
|
|
|
|||
|
|
#region 导入库函数
|
|||
|
|
[SuppressUnmanagedCodeSecurity]
|
|||
|
|
internal static class SafeNativeMethods
|
|||
|
|
{
|
|||
|
|
// 创建一个libvlc实例，它是引用计数的
|
|||
|
|
[DllImport("libvlc", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
|
|||
|
|
internal static extern libvlc_instance_t libvlc_new(int argc, IntPtr argv);
|
|||
|
|
|
|||
|
|
// 释放libvlc实例
|
|||
|
|
[DllImport("libvlc", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
|
|||
|
|
internal static extern void libvlc_release(libvlc_instance_t libvlc_instance);
|
|||
|
|
|
|||
|
|
//获取libvlc的版本
|
|||
|
|
[DllImport("libvlc", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
|
|||
|
|
internal static extern String libvlc_get_version();
|
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|
|||
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|
//从视频来源(例如http、rtsp)构建一个libvlc_meida
|
|||
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|
[DllImport("libvlc", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
|
|||
|
|
internal static extern libvlc_media_t libvlc_media_new_location(libvlc_instance_t libvlc_instance, IntPtr path);
|
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|
|||
|
|
//从本地文件路径构建一个libvlc_media
|
|||
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[DllImport("libvlc", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
|
|||
|
|
internal static extern libvlc_media_t libvlc_media_new_path(libvlc_instance_t libvlc_instance, IntPtr path);
|
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|
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|
//释放libvlc_media
|
|||
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[DllImport("libvlc", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
|
|||
|
|
internal static extern void libvlc_media_release(libvlc_media_t libvlc_media_inst);
|
|||
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|
|||
|
|
// 创建一个空的播放器
|
|||
|
|
[DllImport("libvlc", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
|
|||
|
|
internal static extern libvlc_media_player_t libvlc_media_player_new(libvlc_instance_t libvlc_instance);
|
|||
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|
|||
|
|
//从libvlc_media构建播放器
|
|||
|
|
[DllImport("libvlc", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
|
|||
|
|
internal static extern libvlc_media_player_t libvlc_media_player_new_from_media(libvlc_media_t libvlc_media);
|
|||
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|
|||
|
|
//释放播放器资源
|
|||
|
|
[DllImport("libvlc", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
|
|||
|
|
internal static extern void libvlc_media_player_release(libvlc_media_player_t libvlc_mediaplayer);
|
|||
|
|
|
|||
|
|
// 将视频(libvlc_media)绑定到播放器上
|
|||
|
|
[DllImport("libvlc", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
|
|||
|
|
internal static extern void libvlc_media_player_set_media(libvlc_media_player_t libvlc_media_player, libvlc_media_t libvlc_media);
|
|||
|
|
|
|||
|
|
// 设置图像输出的窗口
|
|||
|
|
[DllImport("libvlc", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
|
|||
|
|
internal static extern void libvlc_media_player_set_hwnd(libvlc_media_player_t libvlc_mediaplayer, Int32 drawable);
|
|||
|
|
|
|||
|
|
//播放器播放
|
|||
|
|
[DllImport("libvlc", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
|
|||
|
|
internal static extern int libvlc_media_player_play(libvlc_media_player_t libvlc_mediaplayer);
|
|||
|
|
|
|||
|
|
//播放器暂停
|
|||
|
|
[DllImport("libvlc", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
|
|||
|
|
internal static extern void libvlc_media_player_pause(libvlc_media_player_t libvlc_mediaplayer);
|
|||
|
|
|
|||
|
|
//播放器停止
|
|||
|
|
[DllImport("libvlc", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
|
|||
|
|
internal static extern void libvlc_media_player_stop(libvlc_media_player_t libvlc_mediaplayer);
|
|||
|
|
|
|||
|
|
// 解析视频资源的媒体信息(如时长等)
|
|||
|
|
[DllImport("libvlc", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
|
|||
|
|
internal static extern void libvlc_media_parse(libvlc_media_t libvlc_media);
|
|||
|
|
|
|||
|
|
// 返回视频的时长(必须先调用libvlc_media_parse之后，该函数才会生效)
|
|||
|
|
[DllImport("libvlc", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
|
|||
|
|
internal static extern Int64 libvlc_media_get_duration(libvlc_media_t libvlc_media);
|
|||
|
|
|
|||
|
|
// 当前播放时间
|
|||
|
|
[DllImport("libvlc", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
|
|||
|
|
internal static extern Int64 libvlc_media_player_get_time(libvlc_media_player_t libvlc_mediaplayer);
|
|||
|
|
|
|||
|
|
// 设置播放时间
|
|||
|
|
[DllImport("libvlc", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
|
|||
|
|
internal static extern void libvlc_media_player_set_time(libvlc_media_player_t libvlc_mediaplayer, Int64 time);
|
|||
|
|
|
|||
|
|
// 获取音量
|
|||
|
|
[DllImport("libvlc", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
|
|||
|
|
internal static extern int libvlc_audio_get_volume(libvlc_media_player_t libvlc_media_player);
|
|||
|
|
|
|||
|
|
//设置音量
|
|||
|
|
[DllImport("libvlc", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
|
|||
|
|
internal static extern void libvlc_audio_set_volume(libvlc_media_player_t libvlc_media_player, int volume);
|
|||
|
|
|
|||
|
|
// 设置全屏
|
|||
|
|
[DllImport("libvlc", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
|
|||
|
|
internal static extern void libvlc_set_fullscreen(libvlc_media_player_t libvlc_media_player, int isFullScreen);
|
|||
|
|
|
|||
|
|
[DllImport("libvlc", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
|
|||
|
|
internal static extern int libvlc_get_fullscreen(libvlc_media_player_t libvlc_media_player);
|
|||
|
|
|
|||
|
|
[DllImport("libvlc", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
|
|||
|
|
internal static extern void libvlc_toggle_fullscreen(libvlc_media_player_t libvlc_media_player);
|
|||
|
|
|
|||
|
|
//判断播放时是否在播放
|
|||
|
|
[DllImport("libvlc", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
|
|||
|
|
internal static extern bool libvlc_media_player_is_playing(libvlc_media_player_t libvlc_media_player);
|
|||
|
|
|
|||
|
|
//判断播放时是否能够Seek
|
|||
|
|
[DllImport("libvlc", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
|
|||
|
|
internal static extern bool libvlc_media_player_is_seekable(libvlc_media_player_t libvlc_media_player);
|
|||
|
|
|
|||
|
|
//判断播放时是否能够Pause
|
|||
|
|
[DllImport("libvlc", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
|
|||
|
|
internal static extern bool libvlc_media_player_can_pause(libvlc_media_player_t libvlc_media_player);
|
|||
|
|
|
|||
|
|
//判断播放器是否可以播放
|
|||
|
|
[DllImport("libvlc", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
|
|||
|
|
internal static extern int libvlc_media_player_will_play(libvlc_media_player_t libvlc_media_player);
|
|||
|
|
|
|||
|
|
//进行快照
|
|||
|
|
[DllImport("libvlc", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
|
|||
|
|
internal static extern int libvlc_video_take_snapshot(libvlc_media_player_t libvlc_media_player, int num, char[] filepath, int i_width, int i_height);
|
|||
|
|
|
|||
|
|
//获取Media信息
|
|||
|
|
[DllImport("libvlc", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
|
|||
|
|
internal static extern libvlc_media_t libvlc_media_player_get_media(libvlc_media_player_t libvlc_media_player);
|
|||
|
|
|
|||
|
|
//获取媒体信息
|
|||
|
|
[DllImport("libvlc", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
|
|||
|
|
internal static extern int libvlc_media_get_stats(libvlc_media_t libvlc_media, ref libvlc_media_stats_t lib_vlc_media_stats);
|
|||
|
|
|
|||
|
|
[DllImport("libvlc", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
|
|||
|
|
internal static extern void libvlc_media_add_option(libvlc_media_t p_md, String psz_option);
|
|||
|
|
|
|||
|
|
[DllImport("libvlc", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true, CharSet = CharSet.Ansi)]
|
|||
|
|
internal static extern int libvlc_media_player_recorder_start(libvlc_media_player_t libvlc_media_player, IntPtr path);
|
|||
|
|
|
|||
|
|
[DllImport("libvlc", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
|
|||
|
|
internal static extern int libvlc_media_player_recorder_stop(libvlc_media_player_t libvlc_media_player);
|
|||
|
|
}
|
|||
|
|
#endregion
|
|||
|
|
}
|
|||
|
|
}
|