Nginx transcode example using ffmpeg and two applications

nginx.conf

#user				nobody;
worker_processes	1;
 
error_log			logs/rtmp_error.log debug;
pid					logs/nginx.pid;
 
events {
	worker_connections	1024;
}
 
http {
	allow all;
	deny all;
 
	access_log			logs/rtmp_access.log;
	include				mime.types;
	default_type		application/octet-stream;
	sendfile			on;
	keepalive_timeout	65;
 
	server {
		listen		80;
		server_name	localhost;
		
		# rtmp stat
		location /stat {
			rtmp_stat all;
			rtmp_stat_stylesheet stat.xsl;
		}
		
		location /stat.xsl {
			# you can move stat.xsl to a different location
			root html;
		}
 
		error_page   500 502 503 504  /50x.html;
		location = /50x.html {
			root   html;
		}
	}
}
 
rtmp {
	server {
		listen 1935;
		chunk_size 8192;

  application origin {
		live on;
	  meta copy;
	  exec ffmpeg -i rtmp://localhost/origin/$name -c:v libx264 -c:a copy -s 640x480 rtmp://localhost/live/480p_$name;
	  exec ffmpeg -i rtmp://localhost/origin/$name -c:v libx264 -c:a copy -s 320x240 rtmp://localhost/live/240p_$name;
	  exec ffmpeg -i rtmp://localhost/origin/$name -c:v libx264 -c:a copy -s 160x120 rtmp://localhost/live/120p_$name;
    }

  application live {
	  live on;
	  meta copy;
    }

 
	}
}