From: Jim Bankoski <jimbankoski@google.com>
Date: Mon, 20 Aug 2012 19:58:31 +0000 (-0700)
Subject: static threshold fix for realtime
X-Git-Tag: v1.2.0~105^2
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=985f09fdca14c74fbd6c6dcffe260bf3132c4b7e;p=libvpx

static threshold fix for realtime

This code allows us to skip encoding if the sse
is less than the error we could possibly encode.

Change-Id: Iefb590dc0ee30b660495218398c7969f7d5fd19f
---

diff --git a/vp8/encoder/pickinter.c b/vp8/encoder/pickinter.c
index c9d63c64e..b67f04b85 100644
--- a/vp8/encoder/pickinter.c
+++ b/vp8/encoder/pickinter.c
@@ -458,7 +458,15 @@ void get_lower_res_motion_info(VP8_COMP *cpi, MACROBLOCKD *xd, int *dissim,
 
 static void check_for_encode_breakout(unsigned int sse, MACROBLOCK* x)
 {
-    if (sse < x->encode_breakout)
+    MACROBLOCKD *xd = &x->e_mbd;
+
+    unsigned int threshold = (xd->block[0].dequant[1]
+        * xd->block[0].dequant[1] >>4);
+
+    if(threshold < x->encode_breakout)
+        threshold = x->encode_breakout;
+
+    if (sse < threshold )
     {
         /* Check u and v to make sure skip is ok */
         unsigned int sse2 = 0;