From: Jingning Han <jingning@google.com>
Date: Wed, 19 Feb 2014 23:11:12 +0000 (-0800)
Subject: Force alt reference frame off in rtc mode
X-Git-Tag: v1.4.0~2302^2
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=abf5b8d5eb5b1214b0d6145f1ac71b4d1231d8ff;p=libvpx

Force alt reference frame off in rtc mode

When non-RD coding decision is used in rtc mode, the alt reference
is not used for inter frame prediction. This commit disabled alt ref
option whenever speed -6 is used.

Change-Id: I0b33ca03661de1db2d9bef1bcbff848cd4c9396f
---

diff --git a/vp9/encoder/vp9_onyx_if.c b/vp9/encoder/vp9_onyx_if.c
index 73ac9bc88..e11232e61 100644
--- a/vp9/encoder/vp9_onyx_if.c
+++ b/vp9/encoder/vp9_onyx_if.c
@@ -1381,6 +1381,9 @@ void vp9_change_config(VP9_PTR ptr, VP9_CONFIG *oxcf) {
 
   cpi->oxcf = *oxcf;
 
+  if (cpi->oxcf.cpu_used == -6)
+    cpi->oxcf.play_alternate = 0;
+
   switch (cpi->oxcf.mode) {
       // Real time and one pass deprecated in test code base
     case MODE_GOODQUALITY: