server {
  listen 80;

  server_name smooth-streaming.example.org

  # document root...
  root "/var/www/smooth";

  # turn off ngx_mod_smooth_streaming built-in
  # rewrite engine (requires patch)
  # patch URL: https://gist.github.com/1505787
  ism_rewrite_engine off;

  ##########################################
  #               REWRITES                 #
  ##########################################
  # manifest...
  rewrite ^(.*/)?(.*)\.([is])sm/[Mm]anifest$ $1/$2.ismc last;

  # audio/video fetch rewrites...
  rewrite ^(.*)\/+(\w+)\.([is]sml?)\/+QualityLevels\((\d+)\)\/+Fragments\((\w+)=(\d+)\) $1/$2.$3?bitrate=$4&$5=0&fragments_noun=Fragments&track_name=$5&time=$6 last;
  ##########################################

  location ~ \.ism$ {
    # we only accept get/head request methods
    if ($request_method !~ ^(?:GET|HEAD)$) {
      return 405;
    }

    # check $args; there is a nasty BUG in libfmp4
    # in function mp4_split_options_set()
    # causing nginx worker to segfault unless
    # this check is in place
    if ($args !~ ^bitrate=\d+&(?:audio|video)=\d+.*&track_name=(?:\w+)&time=\d+$) {
      return 400;
    }

    # expires!!!
    expires 2y;

    # activate mod_smooth_streaming
    ism;
  }

  ###################################################
  #                    LOGGING                      #
  ###################################################
  access_log "/var/log/nginx/vhost-smooth.access" combined;
  error_log "/var/log/nginx/vhost-smooth.error" warn;
  ###################################################
}