shithub: libvpx

Download patch

ref: b7b1e6fb55c6b12ccd078a20cb9855f6734931b5
parent: 0ced701487583049635386c801b415b4255eec86
author: John Koleszar <jkoleszar@google.com>
date: Mon Dec 13 05:11:42 EST 2010 

Reduce size of TOKENEXTRA struct

Change the size of structure elements to reduce memory utilization.
Removed the 'section' member entirely, as it is set but never read.

Change-Id: Iad043830392fb4168cb3cd6075fb0eb70c7f691c


--- a/vp8/encoder/tokenize.c
+++ b/vp8/encoder/tokenize.c
@@ -131,9 +131,6 @@
 
         t->Token = x;
         t->context_tree = cpi->common.fc.coef_probs [type] [band] [pt];
-
-        t->section = frametype * BLOCK_TYPES * 2 + 2 * type + (c == 0);
-
         t->skip_eob_node = pt == 0 && ((band > 0 && type > 0) || (band > 1 && type == 0));
 
         ++cpi->coef_counts       [type] [band] [pt] [x];
@@ -184,8 +181,6 @@
 
         t->Token = x;
         t->context_tree = cpi->common.fc.coef_probs [type] [band] [pt];
-
-        t->section = frametype * BLOCK_TYPES * 2 + 2 * type + (c == 0);
         t->skip_eob_node = pt == 0 && ((band > 0 && type > 0) || (band > 1 && type == 0));
 
         ++cpi->coef_counts       [type] [band] [pt] [x];
@@ -434,7 +429,6 @@
 
     t->Token = DCT_EOB_TOKEN;
     t->context_tree = cpi->common.fc.coef_probs [1] [0] [pt];
-    t->section = 11;
     t->skip_eob_node = 0;
     ++cpi->coef_counts       [1] [0] [pt] [DCT_EOB_TOKEN];
     ++t;
@@ -465,7 +459,6 @@
 
     t->Token = DCT_EOB_TOKEN;
     t->context_tree = cpi->common.fc.coef_probs [0] [1] [pt];
-    t->section = 8;
     t->skip_eob_node = 0;
     ++cpi->coef_counts       [0] [1] [pt] [DCT_EOB_TOKEN];
     ++t;
@@ -495,7 +488,6 @@
 
     t->Token = DCT_EOB_TOKEN;
     t->context_tree = cpi->common.fc.coef_probs [2] [0] [pt];
-    t->section = 13;
     t->skip_eob_node = 0;
     ++cpi->coef_counts[2] [0] [pt] [DCT_EOB_TOKEN];
     ++t;
--- a/vp8/encoder/tokenize.h
+++ b/vp8/encoder/tokenize.h
@@ -25,11 +25,10 @@
 
 typedef struct
 {
-    int Token;
-    int Extra;
     const vp8_prob *context_tree;
-    int skip_eob_node;
-    int section;
+    char            skip_eob_node;
+    char            Token;
+    short           Extra;
 } TOKENEXTRA;
 
 int rd_cost_mby(MACROBLOCKD *);
-- 
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