录屏，录音，推流直播，只用ffmpeg全部搞定

<p style="font-size:16px;color:#333333;line-height:30px;font-family:Helvetica,Arial,sans-serif;font-weight:normal;hyphens:auto" data-flag="normal" lang="en">录制桌面</p><p style="font-size:16px;color:#333333;line-height:30px;font-family:Helvetica,Arial,sans-serif;font-weight:normal;hyphens:auto" data-flag="normal" lang="en">ffmpeg <span>-f</span> x11grab <span>-s</span> <span>1920</span>x1080 <span>-i</span> :<span>0.0</span> <span>-vcodec</span> libx264 <span>-f</span> mp4 zhuomian<span>.</span>mp4</p><span><br /></span><p style="font-size:16px;color:#333333;line-height:30px;font-family:Helvetica,Arial,sans-serif;font-weight:normal;hyphens:auto" data-flag="normal" lang="en">录音</p><p style="font-size:16px;color:#333333;line-height:30px;font-family:Helvetica,Arial,sans-serif;font-weight:normal;hyphens:auto" data-flag="normal" lang="en">ffmpeg <span>-f</span> alsa <span>-ac</span> <span>2</span> <span>-i</span> hw:<span>0</span>,<span>0</span> <span>-acodec</span> libmp3lame <span>-f</span> ...