X-Git-Url: http://git.osdn.jp/view?a=blobdiff_plain;f=libhb%2Fdeca52.c;h=db3b56fe50e3996886ebde210aec43e28f5bba3f;hb=033e32de9c380f54c7d1362a3979da205ebc3a29;hp=f983a6528918ee357d4cc313707bef70fe98cda2;hpb=d1877249c13129ebed21db185f4e8bc05a53e6e6;p=handbrake-jp%2Fhandbrake-jp-git.git

diff --git a/libhb/deca52.c b/libhb/deca52.c
index f983a652..db3b56fe 100644
--- a/libhb/deca52.c
+++ b/libhb/deca52.c
@@ -273,9 +273,16 @@ static hb_buffer_t * Decode( hb_work_object_t * w )
     /* Feed liba52 */
     a52_frame( pv->state, pv->frame, &pv->flags_out, &pv->level, 0 );
 
-    if ( pv->dynamic_range_compression > 1.0 )
+    /* If a user specifies strong dynamic range compression (>1), adjust it.
+       If a user specifies default dynamic range compression (1), leave it alone.
+       If a user specifies no dynamic range compression (0), call a null function. */
+    if( pv->dynamic_range_compression > 1.0 )
     {
-        a52_dynrng( pv->state, dynrng_call, &pv->dynamic_range_compression);
+        a52_dynrng( pv->state, dynrng_call, &pv->dynamic_range_compression );
+    }
+    else if( !pv->dynamic_range_compression )
+    {
+        a52_dynrng( pv->state, NULL, NULL );
     }
 
     /* 6 blocks per frame, 256 samples per block, channelsused channels */