[FFmpeg-soc] [soc]: r5551 - amr/amrnbdec.c

[vitor]

Author: vitor
Date: Fri Jan  1 20:50:23 2010
New Revision: 5551

Log:
Instead of divising by a constant, multiply by its inverse.

Modified:
   amr/amrnbdec.c

Modified: amr/amrnbdec.c
==============================================================================
--- amr/amrnbdec.c	Fri Jan  1 16:32:44 2010	(r5550)
+++ amr/amrnbdec.c	Fri Jan  1 20:50:23 2010	(r5551)
@@ -600,8 +600,10 @@ static void decode_gains(AMRContext *p, 
                          float *fixed_gain_factor)
 {
     if (mode == MODE_12k2 || mode == MODE_7k95) {
-        p->pitch_gain[4]   = qua_gain_pit [amr_subframe->p_gain    ] / 16384.0;
-        *fixed_gain_factor = qua_gain_code[amr_subframe->fixed_gain] / 2048.0;
+        p->pitch_gain[4]   = qua_gain_pit [amr_subframe->p_gain    ]
+            * (1.0 / 16384.0);
+        *fixed_gain_factor = qua_gain_code[amr_subframe->fixed_gain]
+            * (1.0 /  2048.0);
     } else {
         const uint16_t *gains;
 
@@ -614,8 +616,8 @@ static void decode_gains(AMRContext *p, 
             gains = gains_MODE_4k75[(p->frame.subframe[subframe & 2].p_gain << 1) + (subframe & 1)];
         }
 
-        p->pitch_gain[4]   = gains[0] / 16384.0;
-        *fixed_gain_factor = gains[1] / 4096.0;
+        p->pitch_gain[4]   = gains[0] * (1.0 / 16384.0);
+        *fixed_gain_factor = gains[1] * (1.0 /  4096.0);
     }
 }