text: 
  /*
   * Copyright (C) Roman Arutyunyan
   */
  
  
  #include <ngx_config.h>
  #include <ngx_core.h>
  #include "ngx_rtmp_bandwidth.h"
  
  
  void
  ngx_rtmp_update_bandwidth(ngx_rtmp_bandwidth_t *bw, uint32_t bytes)
  {
      if (ngx_cached_time->sec > bw->intl_end) {
          bw->bandwidth = ngx_cached_time->sec >
              bw->intl_end + NGX_RTMP_BANDWIDTH_INTERVAL
              ? 0
              : bw->intl_bytes / NGX_RTMP_BANDWIDTH_INTERVAL;
          bw->intl_bytes = 0;
          bw->intl_end = ngx_cached_time->sec + NGX_RTMP_BANDWIDTH_INTERVAL;
      }
  
      bw->bytes += bytes;
      bw->intl_bytes += bytes;
  }
  