From: Jingning Han <jingning@google.com>
Date: Fri, 17 Aug 2018 19:55:54 +0000 (-0700)
Subject: Skip frame bit-stream writing for show-existing frame
X-Git-Tag: v1.8.0~409^2
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=3356cbfe0e75ca3aef28a43dce2231f188e500cf;p=libvpx

Skip frame bit-stream writing for show-existing frame

Make the bit-stream writer match the decoder behavior, when the
show existing frame feature is used.

Change-Id: Ibc8153f8668da0f9a2ed8af3b42dae91a5ac08c7
---

diff --git a/vp9/encoder/vp9_bitstream.c b/vp9/encoder/vp9_bitstream.c
index 9f39c189b..79fc160c1 100644
--- a/vp9/encoder/vp9_bitstream.c
+++ b/vp9/encoder/vp9_bitstream.c
@@ -1340,6 +1340,10 @@ void vp9_pack_bitstream(VP9_COMP *cpi, uint8_t *dest, size_t *size) {
   struct vpx_write_bit_buffer saved_wb;
 
   write_uncompressed_header(cpi, &wb);
+
+  // Skip the rest coding process if use show existing frame.
+  if (cpi->common.show_existing_frame) return;
+
   saved_wb = wb;
   vpx_wb_write_literal(&wb, 0, 16);  // don't know in advance first part. size