shithub: libvpx

Download patch

ref: abc9958c52dd4ecbb5f7eef3352672aee815db1f
parent: db5057c742d57daad5d6e18fb0ab2bd4775f325f
author: John Koleszar <jkoleszar@google.com>
date: Fri May 6 07:48:50 EDT 2011

Don't override active_worst_quality in 2 pass

Commit db5057c introduced a bug in that the active_worst_quality
selected by the 2 pass rate controller was being overridden for key
frames, causing a severe quality loss.

Change-Id: I4865a6fbe3e94e9b4fb9271c7dd68b455d7b371d

--- a/vp8/encoder/ratectrl.c
+++ b/vp8/encoder/ratectrl.c
@@ -416,7 +416,8 @@
 
     // TODO: if we separate rate targeting from Q targetting, move this.
     // Reset the active worst quality to the baseline value for key frames.
-    cpi->active_worst_quality = cpi->worst_quality;
+    if (cpi->pass != 2)
+        cpi->active_worst_quality = cpi->worst_quality;
 
 #if 0
     {