From 26b8ceed640d7c14e2774e28cbac0070500a5dde Mon Sep 17 00:00:00 2001
From: vitor <vitor@9553f0bf-9b14-0410-a0b8-cfaf0461ba5b>
Date: Sun, 27 Jul 2008 20:55:27 +0000
Subject: [PATCH] Remove st1 and st2 temporary buffers in backward_filter() and
 use instead RA288Context.pr{1,2}. Note that the pr{1,2} buffers are one unity
 smaller than the st{1,2} buffers. My guess is that the original coder decided
 to add one to the array sizes "just to be sure".

git-svn-id: file:///var/local/repositories/ffmpeg/trunk@14435 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b
---
 libavcodec/ra288.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/libavcodec/ra288.c b/libavcodec/ra288.c
index 824fd555c..f5018cf9f 100644
--- a/libavcodec/ra288.c
+++ b/libavcodec/ra288.c
@@ -197,20 +197,18 @@ static void backward_filter(RA288Context *ractx)
 {
     float temp1[37];
     float temp2[11];
-    float st1[37];
-    float st2[11];
 
     do_hybrid_window(36, 40, 35, ractx->output, temp1, ractx->sp_hist, ractx->sp_rec,
                      syn_window);
 
-    if (!eval_lpc_coeffs(temp1, st1, 36))
-        colmult(ractx->pr1, st1, syn_bw_tab, 36);
+    if (!eval_lpc_coeffs(temp1, ractx->pr1, 36))
+        colmult(ractx->pr1, ractx->pr1, syn_bw_tab, 36);
 
     do_hybrid_window(10, 8, 20, ractx->history, temp2, ractx->gain_hist, ractx->gain_rec,
                      gain_window);
 
-    if (!eval_lpc_coeffs(temp2, st2, 10))
-        colmult(ractx->pr2, st2, gain_bw_tab, 10);
+    if (!eval_lpc_coeffs(temp2, ractx->pr2, 10))
+        colmult(ractx->pr2, ractx->pr2, gain_bw_tab, 10);
 }
 
 /* Decode a block (celp) */
-- 
2.25.4