From: Jingning Han <jingning@google.com>
Date: Mon, 20 Aug 2018 16:11:50 +0000 (-0700)
Subject: Add a comment in init_gop_frames()
X-Git-Tag: v1.8.0~408
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=a5494e3376186b7764ce3789b858e95e642cbd06;p=libvpx

Add a comment in init_gop_frames()

Make the meaning of the operations therein clearer.

Change-Id: I0dce92a4c14218307df098e3da7a1c7cc45008a7
---

diff --git a/vp9/encoder/vp9_encoder.c b/vp9/encoder/vp9_encoder.c
index 771bc0d42..ff147a8e6 100644
--- a/vp9/encoder/vp9_encoder.c
+++ b/vp9/encoder/vp9_encoder.c
@@ -5512,6 +5512,9 @@ void init_gop_frames(VP9_COMP *cpi, GF_PICTURE *gf_picture,
     ++*tpl_group_frames;
     lst_index = frame_idx;
 
+    // The length of group of pictures is baseline_gf_interval, plus the
+    // beginning golden frame from last GOP, plus the last overlay frame in
+    // the same GOP.
     if (frame_idx == cpi->rc.baseline_gf_interval + 1) break;
   }