shithub: aacdec

--- a/libfaad/specrec.c

+++ b/libfaad/specrec.c

@@ -1,19 +1,19 @@

/*

 ** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding

 ** Copyright (C) 2003 M. Bakker, Ahead Software AG, http://www.nero.com

-**

+**

 ** This program is free software; you can redistribute it and/or modify

 ** it under the terms of the GNU General Public License as published by

 ** the Free Software Foundation; either version 2 of the License, or

 ** (at your option) any later version.

-**

+**

 ** This program is distributed in the hope that it will be useful,

 ** but WITHOUT ANY WARRANTY; without even the implied warranty of

 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 ** GNU General Public License for more details.

-**

+**

 ** You should have received a copy of the GNU General Public License

-** along with this program; if not, write to the Free Software

+** along with this program; if not, write to the Free Software

 ** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

**

 ** Any non-GPL usage of this software or parts of this software is strictly

@@ -22,7 +22,7 @@

 ** Commercial non-GPL licensing of this software is possible.

 ** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.

**

-** $Id: specrec.c,v 1.23 2003/07/29 08:20:13 menno Exp $

+** $Id: specrec.c,v 1.24 2003/08/31 17:39:39 menno Exp $

**/

/*

@@ -483,6 +483,7 @@

 static INLINE real_t iquant(int16_t q, real_t *tab)

+#ifdef FIXED_POINT

     int16_t sgn = 1;

     if (q == 0) return 0;

@@ -497,6 +498,22 @@

         return sgn * tab[q>>3] * 16;

     return sgn * tab[q];

+#else

+    int16_t sgn = 1;

+    if (q == 0) return 0;

+    if (q < 0)

+    {

+        q = -q;

+        sgn = -1;

+    }

+    if (q < IQ_TABLE_SIZE)

+        return sgn * tab[q];

+    return sgn * pow(q, 4./3.);

+#endif

 void inverse_quantization(real_t *x_invquant, int16_t *x_quant, uint16_t frame_len)