nginx.conf

worker_processes  auto;

error_log stderr debug;

events {
    worker_connections 1024;
    multi_accept       on;
    use                epoll;
}

http {
    resolver      8.8.8.8 8.8.4.4 ipv6=off;
    include       /usr/local/nginx/conf/mime.types;
    default_type  application/octet-stream;

    log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
                      '$status $body_bytes_sent "$http_referer" '
                      '"$http_user_agent" "$http_x_forwarded_for"';

    access_log  /dev/stdout  main;

    sendfile    on;
    tcp_nopush  on;
    tcp_nodelay on;

    keepalive_timeout  60;
    keepalive_requests 1000;

    client_header_timeout 20;
    client_body_timeout   20;

    reset_timedout_connection on;
    send_timeout              20;

    gzip       on;
    gzip_types application/vnd.apple.mpegurl;

    vod_mode                remote;
    vod_upstream_location   /bucket;

    vod_align_segments_to_key_frames on;
    vod_dash_fragment_file_name_prefix "segment";
    vod_hls_segment_file_name_prefix   "segment";

    vod_segment_duration    3000;
    vod_last_modified_types *;
    vod_metadata_cache      metadata_cache 2048m;

    open_file_cache          max=1000 inactive=5m;
    open_file_cache_valid    2m;
    open_file_cache_min_uses 1;
    open_file_cache_errors   on;

    aio on;

    server {
        listen      80;
        server_name localhost;

        location /bucket {
            internal;
            rewrite ^/bucket/(.*)/(hls|dash|hlsfmp4)/(.*)$ /nyt/$1/$3 break;
            proxy_pass http://storage.googleapis.com;
            proxy_set_header Host storage.googleapis.com;
        }

        location ~ ^/video-media/hlsfmp4/.+$ {
            content_by_lua_block {
                require "string";

                ngx.header["Access-Control-Allow-Headers"] = '*';
                ngx.header["Access-Control-Allow-Origin"] = '*';
                ngx.header["Access-Control-Allow-Methods"] = 'GET, HEAD, OPTIONS';

                hls_manifest = ngx.var.request_uri:gsub("fmp4", "")
                hls_content = ngx.location.capture(hls_manifest)

                init_segment_uri = "http://" .. ngx.var.host .. ngx.var.request_uri:gsub("hlsfmp4","dash"):gsub("index","init"):gsub("a1.m3u8","x3.mp4")
                init_segment_header = "#EXT-X-PLAYLIST-TYPE:VOD\n#EXT-X-MAP:URI=" .. init_segment_uri

                if string.match(ngx.var.request_uri, "index") then
                    res, _ = hls_content.body:gsub("EXT-%-X%-PLAYLIST%-TYPE:VOD", init_segment_header):gsub("-a1.ts","-x3.m4s"):gsub("hls", "dash")
                else
                    res, _ = hls_content.body:gsub("hls", "hlsfmp4")
                end
                ngx.print(res)
            }
        }

        location ~ ^/video-media/hls/.+$ {
            vod hls;

            add_header Access-Control-Allow-Headers '*';
            add_header Access-Control-Allow-Origin '*';
            add_header Access-Control-Allow-Methods 'GET, HEAD, OPTIONS';
            expires max;
        }

        location ~ ^/video-media/dash/.+$ {
            vod dash;

            add_header Access-Control-Allow-Headers '*';
            add_header Access-Control-Allow-Origin '*';
            add_header Access-Control-Allow-Methods 'GET, HEAD, OPTIONS';
            expires max;
        }
    }
}