git-svn-id: http://webrtc.googlecode.com/svn/trunk@4 4adac7df-926f-26a2-2b94-8c16560cd09d

modules/audio_coding/codecs/iLBC/main/source/swap_bytes.c

@@ -0,0 +1,36 @@
+/*
+ *  Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+/******************************************************************
+
+ iLBC Speech Coder ANSI-C Source Code
+
+ WebRtcIlbcfix_SwapBytes.c
+
+******************************************************************/
+
+#include "defines.h"
+
+/*----------------------------------------------------------------*
+ * Swap bytes (to simplify operations on Little Endian machines)
+ *---------------------------------------------------------------*/
+
+void WebRtcIlbcfix_SwapBytes(
+    WebRtc_UWord16 *sequence,   /* (i/o) the sequence to swap */
+    WebRtc_Word16 wordLength   /* (i) number or WebRtc_UWord16 to swap */
+                              ) {
+  int k;
+  WebRtc_UWord16 temp=0;
+  for( k=wordLength; k>0; k-- ) {
+    temp = (*sequence >> 8)|(*sequence << 8);
+    *sequence++ = temp;
+    //*sequence++ = (*sequence >> 8) | (*sequence << 8);
+  }
+}