开源的录制和直播视频的软件OBS

OBS这款软件有点特别，一般人还用不到。主要的功能有以下几个；

1，录制桌面窗口等视频，如游戏，教程；可以同时录制音频；可以只录一个窗口，也可以多个窗口叠加。非常方便。

2，网络直播视频流；

网址为：obsproject.com

比如正式的描述如下：

Open Broadcaster Software is free and open source software for video recording and live streaming. Supported features include:

    Encoding using H264 (x264) and AAC.
    Support for Intel Quick Sync Video (QSV) and NVENC.
    Unlimited number of scenes and sources.
    Live RTMP streaming to Twitch, YouTube, DailyMotion, Hitbox and more.
    File output to MP4 or FLV.
    GPU-based game capture for high performance game streaming.
    DirectShow capture device support (webcams, capture cards, etc).
    Windows 8 high speed monitor capture support.
    Bilinear or lanczos3 resampling.