session-android/jni/webrtc/modules/audio_coding/codecs/ilbc/swap_bytes.c

36 lines
1.2 KiB
C
Raw Normal View History

/*
* Copyright (c) 2012 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(
const uint16_t* input, /* (i) the sequence to swap */
int16_t wordLength, /* (i) number or uint16_t to swap */
uint16_t* output /* (o) the swapped sequence */
) {
int k;
for (k = wordLength; k > 0; k--) {
*output++ = (*input >> 8)|(*input << 8);
input++;
}
}