libVLC 事件类型

版权声明：本文为博主原创文章，未经博主允许不得转载。 https://blog.csdn.net/lengyuezuixue/article/details/83416752

Event Type

Enumerator
libvlc_MediaMetaChanged	Metadata of a media item changed.
libvlc_MediaSubItemAdded	Subitem was added to a media item. See also libvlc_media_subitems()
libvlc_MediaDurationChanged	Duration of a media item changed. See also libvlc_media_get_duration()
libvlc_MediaParsedChanged	Parsing state of a media item changed. See also libvlc_media_parse_with_options(), libvlc_media_get_parsed_status(), libvlc_media_parse_stop()
libvlc_MediaFreed	A media item was freed. 扫描二维码关注公众号，回复： 3920170 查看本文章
libvlc_MediaStateChanged	State of the media item changed See also libvlc_media_get_state()
libvlc_MediaSubItemTreeAdded	Subitem tree was added to a media item.
libvlc_MediaPlayerMediaChanged
libvlc_MediaPlayerNothingSpecial
libvlc_MediaPlayerOpening	打开
libvlc_MediaPlayerBuffering
libvlc_MediaPlayerPlaying	播放
libvlc_MediaPlayerPaused	暂停
libvlc_MediaPlayerStopped	停止
libvlc_MediaPlayerForward	上一帧
libvlc_MediaPlayerBackward	下一帧
libvlc_MediaPlayerEndReached	媒体播放结束
libvlc_MediaPlayerEncounteredError
libvlc_MediaPlayerTimeChanged	媒体播放器时间变化
libvlc_MediaPlayerPositionChanged	媒体播放器点变化
libvlc_MediaPlayerSeekableChanged
libvlc_MediaPlayerPausableChanged
libvlc_MediaPlayerTitleChanged
libvlc_MediaPlayerSnapshotTaken	快照拍摄
libvlc_MediaPlayerLengthChanged
libvlc_MediaPlayerVout
libvlc_MediaPlayerScrambledChanged
libvlc_MediaPlayerESAdded
libvlc_MediaPlayerESDeleted
libvlc_MediaPlayerESSelected
libvlc_MediaPlayerCorked
libvlc_MediaPlayerUncorked
libvlc_MediaPlayerMuted	设置静音
libvlc_MediaPlayerUnmuted	取消静音
libvlc_MediaPlayerAudioVolume
libvlc_MediaPlayerAudioDevice
libvlc_MediaPlayerChapterChanged
libvlc_MediaListItemAdded	A media item was added to a media list.
libvlc_MediaListWillAddItem	A media item is about to get added to a media list.
libvlc_MediaListItemDeleted	A media item was deleted from a media list.
libvlc_MediaListWillDeleteItem	A media item is about to get deleted from a media list.
libvlc_MediaListEndReached	A media list has reached the end. All items were either added (in case of a libvlc_media_discoverer_t) or parsed (preparser).
libvlc_MediaListViewItemAdded	Deprecated: No longer used. This belonged to the removed libvlc_media_list_view_t
libvlc_MediaListViewWillAddItem	Deprecated: No longer used. This belonged to the removed libvlc_media_list_view_t
libvlc_MediaListViewItemDeleted	Deprecated: No longer used. This belonged to the removed libvlc_media_list_view_t
libvlc_MediaListViewWillDeleteItem	Deprecated: No longer used. This belonged to the removed libvlc_media_list_view_t
libvlc_MediaListPlayerPlayed	Playback of a media list player has started.
libvlc_MediaListPlayerNextItemSet	The current item of a media list player has changed to a different item.
libvlc_MediaListPlayerStopped	Playback of a media list player has stopped.
libvlc_RendererDiscovererItemAdded	A new renderer item was found by a renderer discoverer. The renderer item is valid until deleted.
libvlc_RendererDiscovererItemDeleted	A previously discovered renderer item was deleted by a renderer discoverer. The renderer item is no longer valid.
libvlc_VlmMediaAdded
libvlc_VlmMediaRemoved
libvlc_VlmMediaChanged
libvlc_VlmMediaInstanceStarted
libvlc_VlmMediaInstanceStopped
libvlc_VlmMediaInstanceStatusInit
libvlc_VlmMediaInstanceStatusOpening
libvlc_VlmMediaInstanceStatusPlaying
libvlc_VlmMediaInstanceStatusPause
libvlc_VlmMediaInstanceStatusEnd
libvlc_VlmMediaInstanceStatusError

函数介绍

int libvlc_event_attach	(libvlc_event_manager_t * 	p_event_manager,
                         libvlc_event_type_t 	i_event_type,
                         libvlc_callback_t 	f_callback,
                         void * 	user_data 
                         )	

功能：

         注册事件通知。

参数

• p_event_manager：所使用的事件管理器。
• i_event_type：要监听的事件类型
• f_callback：当事件触发时，被调用的回调函数
• user_data：用户数据

返回值

•  0：成功
• ENOMEM:失败

void libvlc_event_detach(libvlc_event_manager_t * 	p_event_manager,
                         libvlc_event_type_t 	i_event_type,
                         libvlc_callback_t 	f_callback,
                         void * p_user_data 
                        )	

功能：

     注销事件通知

参数

• p_event_manager：所使用的事件管理器。
• i_event_type：要监听的事件类型
• f_callback：当事件触发时，被调用的回调函数
• p_user_data：用户数据

const char* libvlc_event_type_name	(libvlc_event_type_t event_type)	

功能：

      获取事件的类型名称

参数

    事件类型

---