/// <summary>
/// 获取信息
/// </summary>
/// <param name="libvlc_media_player"></param>
/// <returns></returns>
private 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>
/// 暂停或恢复视频
/// </summary>
/// <param name="libvlc_media_player">VLC MediaPlayer变量</param>
/// <returns></returns>
private 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>
/// 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>
private 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>
/// 视频存储开始
/// </summary>
/// <param name="libvlc_media_player"></param>
/// <param name="url"></param>
public void Save_MediaPlayer(libvlc_media_player_t libvlc_media_player, string url)
{
IntPtr pMrl = IntPtr.Zero;
try
{
if (url == null ||
libvlc_media_player == IntPtr.Zero ||
libvlc_media_player == null)
{
return;
}
pMrl = StrToIntPtr(url);
if (pMrl == null || pMrl == IntPtr.Zero)
{
return;
}
SafeNativeMethods.libvlc_media_player_recorder_start(libvlc_media_player, pMrl);
}
catch (Exception)
{
}
}
/// <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>
/// 快进
/// </summary>
/// <param name="libvlc_media_player">VLC MediaPlayer变量</param>
/// <returns></returns>
public 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>
/// 获取已经显示的图片数
/// </summary>
/// <param name="libvlc_media_player"></param>
/// <returns></returns>
private 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>
/// 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>
/// 停止录像功能，存储
/// </summary>
/// <param name="libvlc_media_player"></param>
public void UnSave_MediaPlayer(libvlc_media_player_t libvlc_media_player)
{
try
{
if (libvlc_media_player == IntPtr.Zero ||
libvlc_media_player == null)
{
return;
}
SafeNativeMethods.libvlc_media_player_recorder_stop(libvlc_media_player);
}
catch (Exception)
{
throw;
}
}
/// <summary>
/// VLC MediaPlayer是否在播放
/// </summary>
/// <param name="libvlc_media_player">VLC MediaPlayer变量</param>
/// <returns></returns>
private 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>
/// 停止播放
/// </summary>
/// <param name="libvlc_media_player">VLC MediaPlayer变量</param>
/// <returns></returns>
private 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>
/// 设置全屏
/// </summary>
/// <param name="libvlc_media_player"></param>
/// <param name="isFullScreen"></param>
private 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);
}
}
/// <summary>
/// 释放媒体播放器
/// </summary>
/// <param name="libvlc_media_player">VLC MediaPlayer变量</param>
private void Release_MediaPlayer(libvlc_media_player_t libvlc_media_player)
{
try
{
if (libvlc_media_player != IntPtr.Zero ||
libvlc_media_player != null)
{
if (SafeNativeMethods.libvlc_media_player_is_playing(libvlc_media_player))
{
SafeNativeMethods.libvlc_media_player_stop(libvlc_media_player);
}
SafeNativeMethods.libvlc_media_player_release(libvlc_media_player);
}
libvlc_media_player = IntPtr.Zero;
}
catch (Exception)
{
libvlc_media_player = IntPtr.Zero;
}
}
internal static extern bool libvlc_media_player_can_pause(libvlc_media_player_t libvlc_media_player);
internal static extern bool libvlc_media_player_is_seekable(libvlc_media_player_t libvlc_media_player);
internal static extern bool libvlc_media_player_is_playing(libvlc_media_player_t libvlc_media_player);
internal static extern void libvlc_toggle_fullscreen(libvlc_media_player_t libvlc_media_player);
internal static extern int libvlc_get_fullscreen(libvlc_media_player_t libvlc_media_player);
internal static extern void libvlc_set_fullscreen(libvlc_media_player_t libvlc_media_player, int isFullScreen);
internal static extern void libvlc_audio_set_volume(libvlc_media_player_t libvlc_media_player, int volume);
internal static extern int libvlc_audio_get_volume(libvlc_media_player_t libvlc_media_player);
internal static extern void libvlc_media_player_set_time(libvlc_media_player_t libvlc_mediaplayer, Int64 time);
internal static extern Int64 libvlc_media_player_get_time(libvlc_media_player_t libvlc_mediaplayer);
internal static extern libvlc_media_t libvlc_media_player_get_media(libvlc_media_player_t libvlc_media_player);
internal static extern int libvlc_media_player_will_play(libvlc_media_player_t libvlc_media_player);
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);
internal static extern void libvlc_media_player_pause(libvlc_media_player_t libvlc_mediaplayer);
/// <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 void libvlc_media_player_stop(libvlc_media_player_t libvlc_mediaplayer);
