diff --git a/AUTHORS b/AUTHORS
index e169dff..21a5a52 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -6,3 +6,10 @@ Project author:
   Contacts:
     arut@qip.ru
     arutyunyan.roman@gmail.com
+
+Fork author:
+  Anton Baranov
+    Kiev, Ukraine
+
+  Contacts:
+    a.baranov@lanet.ua
diff --git a/ngx_rtmp_record_module.c b/ngx_rtmp_record_module.c
index 502055d..087e1d7 100644
--- a/ngx_rtmp_record_module.c
+++ b/ngx_rtmp_record_module.c
@@ -110,6 +110,14 @@ static ngx_command_t  ngx_rtmp_record_commands[] = {
       offsetof(ngx_rtmp_record_app_conf_t, lock_file),
       NULL },
 
+    { ngx_string("record_interval_size"),
+      NGX_RTMP_MAIN_CONF|NGX_RTMP_SRV_CONF|NGX_RTMP_APP_CONF|
+			NGX_RTMP_REC_CONF|NGX_CONF_TAKE1,
+      ngx_conf_set_size_slot,
+      NGX_RTMP_APP_CONF_OFFSET,
+      offsetof(ngx_rtmp_record_app_conf_t, interval_size),
+      NULL },
+
     { ngx_string("record_max_size"),
       NGX_RTMP_MAIN_CONF|NGX_RTMP_SRV_CONF|NGX_RTMP_APP_CONF|
                          NGX_RTMP_REC_CONF|NGX_CONF_TAKE1,
@@ -194,6 +202,7 @@ ngx_rtmp_record_create_app_conf(ngx_conf_t *cf)
     }
 
     racf->max_size = NGX_CONF_UNSET_SIZE;
+    racf->interval_size = NGX_CONF_UNSET_SIZE;
     racf->max_frames = NGX_CONF_UNSET_SIZE;
     racf->interval = NGX_CONF_UNSET_MSEC;
     racf->unique = NGX_CONF_UNSET;
@@ -220,6 +229,7 @@ ngx_rtmp_record_merge_app_conf(ngx_conf_t *cf, void *parent, void *child)
     ngx_conf_merge_str_value(conf->path, prev->path, "");
     ngx_conf_merge_str_value(conf->suffix, prev->suffix, ".flv");
     ngx_conf_merge_size_value(conf->max_size, prev->max_size, 0);
+    ngx_conf_merge_size_value(conf->interval_size, prev->interval_size, 0);
     ngx_conf_merge_size_value(conf->max_frames, prev->max_frames, 0);
     ngx_conf_merge_value(conf->unique, prev->unique, 0);
     ngx_conf_merge_value(conf->append, prev->append, 0);
@@ -980,6 +990,14 @@ ngx_rtmp_record_write_frame(ngx_rtmp_session_t *s,
         ngx_rtmp_record_node_close(s, rctx);
     }
 
+    /* watch size interval */
+    if ((rracf->interval_size && rctx->file.offset >= (ngx_int_t) rracf->interval_size) ||
+        (rracf->max_frames && rctx->nframes >= rracf->max_frames))
+    {
+	ngx_rtmp_record_node_close(s, rctx);
+	ngx_rtmp_record_node_open(s, rctx);
+    }
+
     return NGX_OK;
 }
 
diff --git a/ngx_rtmp_record_module.h b/ngx_rtmp_record_module.h
index aaac0ab..d9223e5 100644
--- a/ngx_rtmp_record_module.h
+++ b/ngx_rtmp_record_module.h
@@ -25,6 +25,7 @@ typedef struct {
     ngx_uint_t                          flags;
     ngx_str_t                           path;
     size_t                              max_size;
+    size_t                              interval_size;
     size_t                              max_frames;
     ngx_msec_t                          interval;
     ngx_str_t                           suffix;