From 8915009813620bce955e561f8f1726532c2fa446 Mon Sep 17 00:00:00 2001
From: Stefan Gehrer <stefan.gehrer@gmx.de>
Date: Fri, 30 Jan 2009 20:39:39 +0000
Subject: [PATCH] remove duplicate tables

Originally committed as revision 16866 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 libavcodec/adpcm.c           | 7 +------
 libavcodec/truemotion1data.h | 7 +++----
 2 files changed, 4 insertions(+), 10 deletions(-)

diff --git a/libavcodec/adpcm.c b/libavcodec/adpcm.c
index 87f4f44..22ebde2 100644
--- a/libavcodec/adpcm.c
+++ b/libavcodec/adpcm.c
@@ -107,11 +107,6 @@ static const int ea_adpcm_table[] = {
     3, 4, 7, 8, 10, 11, 0, -1, -3, -4
 };
 
-static const int ct_adpcm_table[8] = {
-    0x00E6, 0x00E6, 0x00E6, 0x00E6,
-    0x0133, 0x0199, 0x0200, 0x0266
-};
-
 // padded to zero where table size is less then 16
 static const int swf_index_tables[4][16] = {
     /*2*/ { -1, 2 },
@@ -759,7 +754,7 @@ static inline short adpcm_ct_expand_nibble(ADPCMChannelStatus *c, char nibble)
     c->predictor = ((c->predictor * 254) >> 8) + (sign ? -diff : diff);
     c->predictor = av_clip_int16(c->predictor);
     /* calculate new step and clamp it to range 511..32767 */
-    new_step = (ct_adpcm_table[nibble & 7] * c->step) >> 8;
+    new_step = (AdaptationTable[nibble & 7] * c->step) >> 8;
     c->step = av_clip(new_step, 511, 32767);
 
     return (short)c->predictor;
diff --git a/libavcodec/truemotion1data.h b/libavcodec/truemotion1data.h
index 4b35e98..6a9822a 100644
--- a/libavcodec/truemotion1data.h
+++ b/libavcodec/truemotion1data.h
@@ -34,6 +34,8 @@ static const int16_t ydt2[8] = { 0, -2, 4, -6, 8, -12, 12, -12 };
 static const int16_t ydt3[8] = { 4, -6, 20, -20, 46, -46, 94, -94 };
 static const int16_t fat_ydt3[8] = { 0, -15, 50, -50, 115, -115, 235, -235 };
 static const int16_t ydt4[8] = { 0, -4, 4, -16, 16, -36, 36, -80 };
+/* NOTE: This table breaks the [+,-] pattern that the rest of the
+ * tables maintain. Is this intentional? */
 static const int16_t fat_ydt4[8] = { 0, 40, 80, -76, 160, -154, 236, -236 };
 
 /* C delta tables, skinny and fat */
@@ -41,15 +43,12 @@ static const int16_t cdt1[8] = { 0, -1, 1, -2, 3, -4, 5, -4 };
 static const int16_t cdt2[8] = { 0, -4, 3, -16, 20, -32, 36, -32 };
 static const int16_t fat_cdt2[8] = { 0, -20, 15, -80, 100, -160, 180, -160 };
 static const int16_t cdt3[8] = { 0, -2, 2, -8, 8, -18, 18, -40 };
-/* NOTE: This table breaks the [+,-] pattern that the rest of the
- * tables maintain. Is this intentional? */
-static const int16_t fat_cdt3[8] = { 0, 40, 80, -76, 160, -154, 236, -236 };
 
 /* all the delta tables to choose from, at all 4 delta levels */
 static const int16_t * const ydts[] = { ydt1, ydt2, ydt3, ydt4, NULL };
 static const int16_t * const fat_ydts[] = { fat_ydt3, fat_ydt3, fat_ydt3, fat_ydt4, NULL };
 static const int16_t * const cdts[] = { cdt1, cdt1, cdt2, cdt3, NULL };
-static const int16_t * const fat_cdts[] = { fat_cdt2, fat_cdt2, fat_cdt2, fat_cdt3, NULL };
+static const int16_t * const fat_cdts[] = { fat_cdt2, fat_cdt2, fat_cdt2, fat_ydt4, NULL };
 
 static const uint8_t pc_tbl2[] = {
 0x8,0x00,0x00,0x00,0x00,
-- 
2.7.4