1/*
2 *  Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
3 *
4 *  Use of this source code is governed by a BSD-style license
5 *  that can be found in the LICENSE file in the root of the source
6 *  tree. An additional intellectual property rights grant can be found
7 *  in the file PATENTS.  All contributing project authors may
8 *  be found in the AUTHORS file in the root of the source tree.
9 */
10
11/******************************************************************
12
13 iLBC Speech Coder ANSI-C Source Code
14
15 WebRtcIlbcfix_SwapBytes.c
16
17******************************************************************/
18
19#include "defines.h"
20
21/*----------------------------------------------------------------*
22 * Swap bytes (to simplify operations on Little Endian machines)
23 *---------------------------------------------------------------*/
24
25void WebRtcIlbcfix_SwapBytes(
26    const uint16_t* input,   /* (i) the sequence to swap */
27    size_t wordLength,      /* (i) number or uint16_t to swap */
28    uint16_t* output         /* (o) the swapped sequence */
29                              ) {
30  size_t k;
31  for (k = wordLength; k > 0; k--) {
32    *output++ = (*input >> 8)|(*input << 8);
33    input++;
34  }
35}
36