shithub: libvpx

Download patch

ref: d8fc974ac0b698e53173477ecdafcc9300ca5ea8
parent: 861175ef001e5211ad9e60221e04da7fd1970d31
author: Attila Nagy <attilanagy@google.com>
date: Fri Feb 25 03:21:45 EST 2011 

Avoid double copying of key frames into alt and golden buffer

Change-Id: I726976a297a593a35ed6cba3c660e372562f7b27


--- a/vp8/encoder/onyx_if.c
+++ b/vp8/encoder/onyx_if.c
@@ -3130,8 +3130,11 @@
     // Update the Golden frame reconstruction buffer if signalled and the GF usage counts.
     if (cm->refresh_golden_frame)
     {
-        // Update the golden frame buffer
-        vp8_yv12_copy_frame_ptr(cm->frame_to_show, &cm->yv12_fb[cm->gld_fb_idx]);
+        if (cm->frame_type != KEY_FRAME)
+        {
+            // Update the golden frame buffer
+            vp8_yv12_copy_frame_ptr(cm->frame_to_show, &cm->yv12_fb[cm->gld_fb_idx]);
+        }
 
         // Select an interval before next GF
         if (!cpi->auto_gold)
@@ -4748,16 +4751,19 @@
 
     if (cpi->oxcf.error_resilient_mode)
     {
-        // Is this an alternate reference update
-        if (cpi->common.refresh_alt_ref_frame)
-            vp8_yv12_copy_frame_ptr(cm->frame_to_show, &cm->yv12_fb[cm->alt_fb_idx]);
+        if (cm->frame_type != KEY_FRAME)
+        {
+            // Is this an alternate reference update
+            if (cm->refresh_alt_ref_frame)
+                vp8_yv12_copy_frame_ptr(cm->frame_to_show, &cm->yv12_fb[cm->alt_fb_idx]);
 
-        if (cpi->common.refresh_golden_frame)
-            vp8_yv12_copy_frame_ptr(cm->frame_to_show, &cm->yv12_fb[cm->gld_fb_idx]);
+            if (cm->refresh_golden_frame)
+                vp8_yv12_copy_frame_ptr(cm->frame_to_show, &cm->yv12_fb[cm->gld_fb_idx]);
+        }
     }
     else
     {
-        if (cpi->oxcf.play_alternate && cpi->common.refresh_alt_ref_frame && (cpi->common.frame_type != KEY_FRAME))
+        if (cpi->oxcf.play_alternate && cm->refresh_alt_ref_frame && (cm->frame_type != KEY_FRAME))
             // Update the alternate reference frame and stats as appropriate.
             update_alt_ref_frame_and_stats(cpi);
         else
-- 
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