Index: libhb/deca52.c
===================================================================
--- libhb/deca52.c	(revision 1055)
+++ libhb/deca52.c	(working copy)
@@ -56,6 +56,21 @@
 static hb_buffer_t * Decode( hb_work_object_t * w );
 
 /***********************************************************************
+ * dynrng_call
+ ***********************************************************************
+ * Boosts soft audio
+ **********************************************************************/
+static sample_t dynrng_call (sample_t c, void *data)
+{
+        double *level = (double *)data;
+        float levelToUse = (float)*level;
+        if(c > 1.0 || levelToUse <= 1.0)
+                return powf(c, levelToUse);
+        else
+                return c;
+}
+ 
+/***********************************************************************
  * hb_work_deca52_init
  ***********************************************************************
  * Allocate the work object, initialize liba52
@@ -200,7 +215,9 @@
 
     /* Feed liba52 */
     a52_frame( pv->state, pv->frame, &pv->flags_out, &pv->level, 0 );
-
+    int dynamic_compression_level = 1;
+    a52_dynrng( pv->state, dynrng_call, &dynamic_compression_level);
+    
     /* 6 blocks per frame, 256 samples per block, channelsused channels */
     buf        = hb_buffer_init( 6 * 256 * pv->out_discrete_channels * sizeof( float ) );
     if (pts == -1)