ブラウザにカメラストリームを配信 https://stackoverflow.com/questions/11294836/streaming-mp4-with-vlc-to-html-browser https://qiita.com/hagane5563/items/0b6c240daf289559db3c nginxで行うのがベター？ https://github.com/arut/nginx-rtmp-module https://qiita.com/danna_P/items/b6cae10313b2eb9b076a https://qiita.com/sparkgene/items/c3ac042f30cc5d0fe324 https://www.space-i.com/post-blog/live-streaming-using-ffmpeg-and-ffserver/
