1 files changed, 89 insertions, 0 deletions
diff --git a/media/libstagefright/codecs/aacenc/basic_op/oper_32b.h b/media/libstagefright/codecs/aacenc/basic_op/oper_32b.h
new file mode 100644
index 0000000..4119bc3
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+++ b/media/libstagefright/codecs/aacenc/basic_op/oper_32b.h
@@ -0,0 +1,89 @@
+/*
+ ** Copyright 2003-2010, VisualOn, Inc.
+ **
+ ** Licensed under the Apache License, Version 2.0 (the "License");
+ ** you may not use this file except in compliance with the License.
+ ** You may obtain a copy of the License at
+ **
+ **     http://www.apache.org/licenses/LICENSE-2.0
+ **
+ ** Unless required by applicable law or agreed to in writing, software
+ ** distributed under the License is distributed on an "AS IS" BASIS,
+ ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ ** See the License for the specific language governing permissions and
+ ** limitations under the License.
+ */
+/*******************************************************************************
+	File:		oper_32b.h
+
+	Content:	Double precision operations
+
+*******************************************************************************/
+
+#ifndef __OPER_32b_H
+#define __OPER_32b_H
+
+#include "typedef.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define POW2_TABLE_BITS 8
+#define POW2_TABLE_SIZE (1<<POW2_TABLE_BITS)
+
+void L_Extract (Word32 L_32, Word16 *hi, Word16 *lo);
+Word32 L_Comp (Word16 hi, Word16 lo);
+Word32 Mpy_32 (Word16 hi1, Word16 lo1, Word16 hi2, Word16 lo2);
+Word32 Mpy_32_16 (Word16 hi, Word16 lo, Word16 n);
+Word32 Div_32 (Word32 L_num, Word32 denom);
+Word16 iLog4(Word32 value);
+Word32 rsqrt(Word32 value,  Word32 accuracy);
+Word32 pow2_xy(Word32 x, Word32 y);
+
+__inline Word32 L_mpy_ls(Word32 L_var2, Word16 var1)
+{
+    unsigned short swLow1;
+    Word16 swHigh1;
+    Word32 l_var_out;
+
+    swLow1 = (unsigned short)(L_var2);
+    swHigh1 = (Word16)(L_var2 >> 16);
+
+    l_var_out = (long)swLow1 * (long)var1 >> 15;
+    
+    l_var_out += swHigh1 * var1 << 1;
+    
+    return(l_var_out);
+}
+
+__inline Word32 L_mpy_wx(Word32 L_var2, Word16 var1)
+{
+#if ARMV5TE_L_MPY_LS
+	Word32 result; 
+	asm volatile( 
+		"SMULWB  %[result], %[L_var2], %[var1] \n" 
+		:[result]"+r"(result)
+		:[L_var2]"r"(L_var2), [var1]"r"(var1)
+		); 
+	return result;
+#else
+    unsigned short swLow1;
+    Word16 swHigh1;
+    Word32 l_var_out;
+
+    swLow1 = (unsigned short)(L_var2);
+    swHigh1 = (Word16)(L_var2 >> 16);
+
+    l_var_out = (long)swLow1 * (long)var1 >> 16;    
+    l_var_out += swHigh1 * var1;
+    
+    return(l_var_out);
+#endif
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif