什么是VLC
VLC多媒体播放器(最初命名为VideoLAN客户端)是VideoLAN计划的多媒体播放器。它支持众多音频与视频解码器及文件格式,并支持DVD影音光盘,VCD影音光盘及各类流式协议。它也能作为unicast或 multicast的流式服务器在IPv4或 IPv6的高速网络连接下使用。它融合了FFmpeg计划的解码器与libdvdcss程序库使其有播放多媒体文件及加密DVD影碟的功能。
什么是LibVLC
LibVLC是VLC媒体播放器的外部编程接口。
如何获取VLC的SDK
VLC开发所需的库文件可以有3种获取方法:
1. 自行编译
2. 直接从安装目录里面拷贝出来
3.从官方FTP服务器上下载(见相关链接5)
开发VLC所需的文件的位置
1. 动态链接库*.dll:安装目录下的libvlc.dll,libvlccore.dll以及plugins目录下的所有文件。
2. 静态链接库*.lib:安装目录/sdk/lib(2.1.0以后移除)(如没有libvlc.lib与libvlccore.lib请参考相关链接2从dll生成)
3. 头文件:安装目录/sdk/include [v_error]使用官方的,而非自己手动生成lib(相关链接2)将在Release下抛错[/v_error]
配置
1.自行在vs中设置include和lib的路径(如上)
2.复制libvlc.dll,
Demo
基于libvlc的播放器Dome网上一搜一大把,这里给出两个有代表性的
官方WIKI:
#include #include #include <vlc/vlc.h> int main(int argc, char* argv[]) { libvlc_instance_t * inst; libvlc_media_player_t *mp; libvlc_media_t *m; /* Load the VLC engine */ inst = libvlc_new (0, NULL); /* Create a new item */ m = libvlc_media_new_location (inst, "http://mycool.movie.com/test.mov"); //m = libvlc_media_new_path (inst, "/path/to/test.mov"); /* Create a media player playing environement */ mp = libvlc_media_player_new_from_media (m); /* No need to keep the media now */ libvlc_media_release (m); #if 0 /* This is a non working code that show how to hooks into a window, * if we have a window around */ libvlc_media_player_set_xwindow (mp, xid); /* or on windows */ libvlc_media_player_set_hwnd (mp, hwnd); /* or on mac os */ libvlc_media_player_set_nsobject (mp, view); #endif /* play the media_player */ libvlc_media_player_play (mp); sleep (10); /* Let it play a bit */ /* Stop playing */ libvlc_media_player_stop (mp); /* Free the media_player */ libvlc_media_player_release (mp); libvlc_release (inst); return 0; }
来自百度的精简版,只留下了主要代码(出处不详,望告知)
#include #include #include "vlc/vlc.h" #pragma comment(lib, "libvlc.lib") #pragma comment(lib, "libvlccore.lib") int main(int argc, char* argv[]) { libvlc_instance_t * inst; libvlc_media_player_t *mp; libvlc_media_t *m; inst = libvlc_new (0, NULL); /* Load the VLC engine */ m = libvlc_media_new_path (inst, "D:\\music\\amani.wma"); // 必须为英文路径 mp = libvlc_media_player_new_from_media (m); /* Create a media player playing environement */ libvlc_media_release (m); /* No need to keep the media now */ // 播放文件 libvlc_media_player_play (mp); /* play the media_player */ Sleep (100 * 1000); /* Let it play a bit */ libvlc_media_player_stop (mp); /* Stop playing */ libvlc_media_player_release (mp); /* Free the media_player */ libvlc_release (inst); return 0; }
libvlc_media_new_path()和libvlc_media_new_location()的区别
libvlc_media_new_path()用于打开文件,而libvlc_media_new_location()用于打开协议
传递给libvlc_media_new_path()的参数就是文件路径(相对路径或绝对路径)
传递给libvlc_media_new_location()的参数就是协议地址(如“udp://”“http://”)
需要注意的是libvlc_media_new_location()也可以打开文件,但是必须在文件路径前面加上“file:///”,举个栗子
libvlc_media_new_location (inst, "file:///E:\\test.avi");
VLC还支持很多特有的协议,比如“screen://”协议可以进行屏幕录制,具体可参考官方WIKI
疑难杂症
中文乱码
VLC使用的是UTF-8,因此将unicode转码为UTF-8即可解决
在Release下抛错
请勿使用官方的lib,自己手动生成lib(相关链接2)
相关链接: