Index: apps/codecs/libatrac/atrac3.c
===================================================================
--- apps/codecs/libatrac/atrac3.c	(revision 22246)
+++ apps/codecs/libatrac/atrac3.c	(working copy)
@@ -50,6 +50,7 @@
 
 #include "../librm/rm.h"
 #include "atrac3data.h"
+#include "atrac3data_fixed.h"
 
 #define JOINT_STEREO    0x12
 #define STEREO          0x2
@@ -128,7 +129,7 @@
 } ATRAC3Context;
 
 static DECLARE_ALIGNED_16(float,mdct_window[512]);
-static float            qmf_window[48];
+static int32_t            qmf_window[48];
 static VLC              spectral_coeff_tab[7];
 static float            SFTable[64];
 static float            gain_tab1[16];
@@ -150,7 +151,20 @@
  * @param temp      temp buffer
  */
 
+static inline int32_t fixmul31(int32_t x, int32_t y)
+{
+    int64_t temp;
+    temp = x;
+    temp *= y;
 
+    temp >>= 31;        //16+31-16 = 31 bits
+
+    return (int32_t)temp;
+}
+
+#define fixtof64(x)       (float)((float)(x) / (float)(1 << 16))        //does not work on int64_t!
+#define ftofix32(x)       ((int32_t)((x) * (float)(1 << 16) + ((x) < 0 ? -0.5 : 0.5)))
+
 static void iqmf (float *inlo, float *inhi, unsigned int nIn, float *pOut, float *delayBuf, float *temp)
 {
     int   i, j;
@@ -171,16 +185,16 @@
     /* loop2 */
     p1 = temp;
     for (j = nIn; j != 0; j--) {
-        float s1 = 0.0;
-        float s2 = 0.0;
+        int32_t s1 = 0;
+        int32_t s2 = 0;
 
         for (i = 0; i < 48; i += 2) {
-            s1 += p1[i] * qmf_window[i];
-            s2 += p1[i+1] * qmf_window[i+1];
+            s1 += fixmul31(ftofix32(p1[i]), qmf_window[i]);
+            s2 += fixmul31(ftofix32(p1[i+1]), qmf_window[i+1]);
         }
 
-        pOut[0] = s2;
-        pOut[1] = s1;
+        pOut[0] = fixtof64(s2);
+        pOut[1] = fixtof64(s1);
 
         p1 += 2;
         pOut += 2;
@@ -260,7 +274,7 @@
 
 static av_cold void init_atrac3_transforms(ATRAC3Context *q) {
     float enc_window[256];
-    float s;
+    int32_t s;
     int i;
 
     /* Generate the mdct window, for details see
@@ -275,8 +289,9 @@
         }
 
     /* Generate the QMF window. */
+    //MIKE:  converted this to Fixed already
     for (i=0 ; i<24; i++) {
-        s = qmf_48tap_half[i] * 2.0;
+        s = qmf_48tap_half_fix[i] << 1;
         qmf_window[i] = s;
         qmf_window[47 - i] = s;
     }
Index: apps/codecs/libatrac/convert.c
===================================================================
--- apps/codecs/libatrac/convert.c	(revision 0)
+++ apps/codecs/libatrac/convert.c	(revision 0)
@@ -0,0 +1,14 @@
+#include <inttypes.h>
+#include <stdio.h>
+
+int main(){
+    static const float iMaxQuant[8] = {
+      0.0, 1.0/1.5, 1.0/2.5, 1.0/3.5, 1.0/4.5, 1.0/7.5, 1.0/15.5, 1.0/31.5
+    };
+
+    int i;
+    for (i=0; i< 8; i++){
+        printf("%x ",(int32_t) (iMaxQuant[i]*2147483648));
+    }
+    
+}

Property changes on: apps/codecs/libatrac/convert.c
___________________________________________________________________
Added: svn:executable
   + *

Index: apps/codecs/libatrac/atrac3data_fixed.h
===================================================================
--- apps/codecs/libatrac/atrac3data_fixed.h	(revision 0)
+++ apps/codecs/libatrac/atrac3data_fixed.h	(revision 0)
@@ -0,0 +1,20 @@
+
+
+/* tables for the scalefactor decoding */
+/* scaled by 2^31*/
+
+static const int32_t iMaxQuant_fix[8] = {
+    0x0, 0x55555580, 0x33333340, 0x24924940, 0x1c71c720, 0x11111120, 0x8421080 
+    0x4104108
+};
+
+
+/* transform data */
+/* floating point values scaled by 2^31  */
+static const int32_t qmf_48tap_half_fix[24] = {
+    0xffff855e, 0xfffcfbca, 0xfffe28eb, 0x9de6b,    0x7f028,    0xffe40d08, 
+    0xffeef140, 0x42a692,   0x19ab1f,   0xff75dec7, 0xffe738f5, 0x100e928, 
+    0xfffdfedf, 0xfe478b84, 0x50b279,   0x2c83f88,  0xff005ad7, 0xfba2ee80, 
+    0x2685970,  0x6f42798,  0xfa6b6f10, 0xf3475f80, 0x10e7f7c0, 0x3b6c44c0 
+};
+

Property changes on: apps/codecs/libatrac/atrac3data_fixed.h
___________________________________________________________________
Added: svn:executable
   + *