[FFmpeg-cvslog] r9744 - trunk/libavcodec/alac.c

[vitor]

Author: vitor
Date: Wed Jul 18 22:23:43 2007
New Revision: 9744

Log:
Another minor simplification

Modified:
   trunk/libavcodec/alac.c

Modified: trunk/libavcodec/alac.c
==============================================================================
--- trunk/libavcodec/alac.c	(original)
+++ trunk/libavcodec/alac.c	Wed Jul 18 22:23:43 2007
@@ -412,19 +412,16 @@ static void deinterlace_16(int32_t *buff
     /* weighted interlacing */
     if (interlacing_leftweight) {
         for (i = 0; i < numsamples; i++) {
-            int32_t difference, midright;
-            int16_t left;
-            int16_t right;
-
-            midright = buffer[0][i];
-            difference = buffer[1][i];
+            int32_t a, b;
 
+            a = buffer[0][i];
+            b = buffer[1][i];
 
-            right = midright - ((difference * interlacing_leftweight) >> interlacing_shift);
-            left = right + difference;
+            a -= (b * interlacing_leftweight) >> interlacing_shift;
+            b += a;
 
-            buffer_out[i*numchannels] = left;
-            buffer_out[i*numchannels + 1] = right;
+            buffer_out[i*numchannels] = b;
+            buffer_out[i*numchannels + 1] = a;
         }
 
         return;