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 "modules/audio_coding/codecs/ilbc/swap_bytes.h" 20 21 /*----------------------------------------------------------------* 22 * Swap bytes (to simplify operations on Little Endian machines) 23 *---------------------------------------------------------------*/ 24 WebRtcIlbcfix_SwapBytes(const uint16_t * input,size_t wordLength,uint16_t * output)25 void 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