shithub: libvpx

Download patch

ref: 307b6c22a30b31aa0c8f48f1863e8e0e8bfcb254
parent: 528a5c28b313fbcc7da6264f7151d26a610ddcfd
author: Paul Wilkins <paulwilkins@google.com>
date: Thu May 1 08:10:25 EDT 2014

Switch the default 2 pass vbr variant.

On balance Deb's  modified rate control for VBR seems
to be outperforming especially on some low motion YT
clips so I have switched this to be the default mode for
now.

Change-Id: I0713d430cad6425ac5c48fccdf332e12814ee44a

--- a/vp9/encoder/vp9_firstpass.c
+++ b/vp9/encoder/vp9_firstpass.c
@@ -61,7 +61,7 @@
 #define MIN_GF_INTERVAL             4
 #endif
 
-#define LONG_TERM_VBR_CORRECTION
+// #define LONG_TERM_VBR_CORRECTION
 
 static void swap_yv12(YV12_BUFFER_CONFIG *a, YV12_BUFFER_CONFIG *b) {
   YV12_BUFFER_CONFIG temp = *a;
@@ -2402,8 +2402,8 @@
   const double progress =
       (double)(cpi->twopass.stats_in - cpi->twopass.stats_in_start) /
               (cpi->twopass.stats_in_end - cpi->twopass.stats_in_start);
-  const int bits_used = progress * cpi->rc.this_frame_target +
-                        (1.0 - progress) * cpi->rc.projected_frame_size;
+  const int bits_used = progress * rc->this_frame_target +
+                        (1.0 - progress) * rc->projected_frame_size;
 #endif
 
   cpi->twopass.bits_left -= bits_used;