diff --git a/hls/ngx_rtmp_hls_module.c b/hls/ngx_rtmp_hls_module.c
index 46dde11..903084e 100644
--- a/hls/ngx_rtmp_hls_module.c
+++ b/hls/ngx_rtmp_hls_module.c
@@ -1469,6 +1469,13 @@ ngx_rtmp_hls_video(ngx_rtmp_session_t *s, ngx_rtmp_header_t *h,
                        "hls: h264 NAL type=%ui, len=%uD",
                        (ngx_uint_t) nal_type, len);
 
+        if (nal_type >= 7 && nal_type <= 9) {
+            if (ngx_rtmp_hls_copy(s, NULL, &p, len - 1, &in) != NGX_OK) {
+                return NGX_ERROR;
+            }
+            continue;
+        }
+
         if (!aud_sent) {
             switch (nal_type) {
                 case 1: