simplification in dvb_step_channel

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@19094 b3059339-0415-0410-9bf9-f77b7e298cf2

1 files changed, 1 insertions, 15 deletions

diff --git a/libmpdemux/dvbin.c b/libmpdemux/dvbin.c
index 5ac54ab776..ccb069de71 100644
--- a/libmpdemux/dvbin.c
+++ b/libmpdemux/dvbin.c
@@ -601,21 +601,7 @@ int dvb_step_channel(dvb_priv_t *priv, int dir)
 		return 0;
 	}
 
-
-	if(dir == DVB_CHANNEL_HIGHER)
-	{
-		if(list->current == list->NUM_CHANNELS-1)
-			new_current=0;
-		else
-			new_current = list->current + 1;
-	}
-	else
-	{
-		if(list->current == 0)
-			new_current=list->NUM_CHANNELS-1;
-		else
-			new_current = list->current - 1;
-	}
+	new_current = (list->NUM_CHANNELS + list->current + (dir == DVB_CHANNEL_HIGHER ? 1 : -1)) % list->NUM_CHANNELS;
 
 	return dvb_set_channel(priv, priv->card, new_current);
 }