rtmp {
  server {
    listen 1935; 
    chunk_size 4000;
    # test pattern applications, transmux only, low resource overhead, no recording
    application qa {
      live on; 
      exec /usr/local/bin/ffmpeg -i rtmp://localhost/$app/$name -async 1 -vsync -1 -c:v copy -c:a aac -b:a 96k -f flv rtmp://localhost/testhls/$name_1280;
    }
    application testhls {
      live on; 
      hls on; 
      hls_path /var/lib/nginx/testhls;
      hls_nested on;
      hls_cleanup on;
      hls_type live;
      hls_fragment 10s;
      hls_playlist_length 60s;
      hls_variant _1280 BANDWIDTH=1000000;
    }
    # general applications for an end user source, recording enabled increase record_max_size to match expected max duration of any event
    application live {
      live on; 
      record all;
      record_path /var/lib/nginx/rec;
      record_max_size 128000K;
      exec_record_done /usr/local/bin/record-postprocess.sh $path $basename;
      exec /usr/local/bin/ffmpeg -i rtmp://localhost/$app/$name -async 1 -vsync -1
        -c:v libx264 -x264opts keyint=60:min-keyint=60:scenecut=-1 -c:a aac -strict -2 -b:v 500k -b:a 96k -vf "format=yuv420p,scale=480:trunc(ow/a/2)*2" -tune zerolatency -preset ultrafast -crf 23 -f flv rtmp://localhost/show/$name_480
        -c:v libx264 -x264opts keyint=60:min-keyint=60:scenecut=-1 -c:a aac -strict -2 -b:v 2300k -b:a 96k -vf "format=yuv420p,scale=960:trunc(ow/a/2)*2" -tune zerolatency -preset ultrafast -crf 23 -f flv rtmp://localhost/show/$name_960
        -c:v libx264 -x264opts keyint=60:min-keyint=60:scenecut=-1 -c:a aac -strict -2 -b:v 5800k -b:a 96k -vf "format=yuv420p,scale=1920:trunc(ow/a/2)*2" -tune zerolatency -preset ultrafast -crf 23 -f flv rtmp://localhost/show/$name_1920
        -c:v copy -c:a aac -b:a 96k -f flv rtmp://localhost/show/$name_3840;
    }
    application show {
      live on; 
      hls on; 
      hls_path /var/lib/nginx/hls;
      hls_nested on;
      hls_cleanup on;
      hls_type live;
      hls_fragment 10s;
      hls_playlist_length 60s;
      hls_variant _480 BANDWIDTH=500000; 
      hls_variant _960 BANDWIDTH=2300000; 
      hls_variant _1920 BANDWIDTH=5800000; 
      hls_variant _3840 BANDWIDTH=13000000;
    }
  }
}